Career
To My 20-Year-Ago Self: 7 Things That Would Change My Career
With 20 years of system architecture experience, I share the turning points of my career and 7 things I wish I had known looking back. This is not advice, but…
Career
202 posts
Career development, work life, leadership and professional growth experiences.
Career
Is a University Degree Still Necessary for Software?
With 20 years of system architecture experience, I examine the place of a university degree in the software world and its pragmatic realities.
Career
Should I Become a Manager? No One Tells You It's a Reversible Decision
Transitioning to a management position isn't a one-way street as commonly believed. My own experiences show that returning to technical roles is possible and.
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Choosing an AI Code Assistant: Copilot, Cursor, and Claude Code
Examining the effectiveness of AI code assistants in software development, comparing GitHub Copilot, Cursor, and Claude Code based on my own experiences to.
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Seniors Have Never Been This Valuable — But 'Senior' Is No Longer
With 20 years of experience, I explain how the concept of 'senior' is no longer tied to years, but redefined by system understanding, workflow mastery, and.
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I Became a Manager and Returned: Do I Regret It?
The reasons behind my transition from a management position back to a technical career, the challenges I faced, and the lessons I learned.
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My Most Expensive Engineering Decision
Sharing the story of an engineer's most costly 'yes' decision in their career, with lessons learned from 20 years of experience.
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Companies Quietly Hiring Juniors While Everyone Fears AI
While the rise of AI sparks fears of job losses, many companies continue to invest in junior talent. This post explores the reasons behind this trend and its.
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The Candidate Who Impressed Me Most in a Job Interview
I've conducted hundreds of job interviews. Most candidates had memorized technical information, but only one truly impressed me. Why? Because of their.
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What Does It Mean To Be 'Senior' In The Age of AI?
In the AI-transformed tech world, the meaning of 'senior' is changing. Experience, problem-solving, and workflow mastery are more important than prompt.
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The Heaviest AI Users Atrophy the Fastest: The Skill Atrophy Trap
I examine how over-reliance on AI tools dulls our professional skills, with examples from my 20 years of field experience. In the long run, this…
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Things I Wish Someone Had Told Me When I Was a Junior
5 critical lessons distilled from my 20 years of career experience, which I'd tell my junior self.
Career
How to Survive as a Developer in the Age of AI?
With 20 years of experience, I explain how developers should position themselves in the AI era, emphasizing the importance of technical depth and real.
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Will AI Make Developers Jobless? An Honest Answer
With 20 years of experience, I evaluate how AI will affect the future of developers and what the real risk is.
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No Longer a Bricklayer, You're the Foreman: The Quiet Evolution
The developer's role is quietly shifting from writing code to becoming a 'foreman' who holistically manages systems and workflows. This transformation.
Career
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From Eggdrop to AI Agents: It's Not Actually That New
AI agents, MCP, tool calling feel brand new — but to anyone who ran an Eggdrop bot on IRC, it's familiar. The real shift wasn't tech, but access to knowledge.
Career
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One Night a Storage System Died and Changed How I Think About Software
One night a storage system died and I realized the problem was never the disks — it was assuming nothing would fail. On assumptions, trust, and safety.
Career
The Price Tag of Self-Hosting: A Comparison with Cloud Costs
I compare the costs of self-hosting versus cloud computing based on my experiences. Real numbers, trade-offs, and which is more profitable in different.
Career
Two Distinct Software Developer Markets in Turkey: 95,000 TL vs.
Exploring the software developer salary gap in Turkey, the profound differences between the 95,000 TL and 175,000 TL levels, and the systemic reasons behind.
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2026 Technical Interview Broken: 38% of Candidates Use Invisible AI
The 38% rate of candidates cheating in technical interviews with unseen AI tools questions the future of hiring processes. This situation...
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Passkeys: Enterprise Adaptation and Individual Use Cases
Exploring the potential of Passkeys in both the individual and corporate world, their technical details, and the real challenges in adaptation processes, based.
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5 Self-Hosting Projects for Infrastructure Specialists: Real-World
I share my experiences with 5 critical self-hosting projects that infrastructure specialists can undertake on their own servers to gain real-world experience.
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They Cut the First Step of the Ladder: The Junior Developer Crisis
A pragmatic perspective from my 20 years of field experience on the difficulties junior developers face in finding jobs and the reasons behind this situation.
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Have AI Tools Made Me a Better Engineer?
In light of 20 years of experience, I discuss the impact of AI tools on my engineering career, the areas they've accelerated, and the importance of critical.
Career
You Think AI Speeds You Up by 24%; It Actually Slows You Down by 19%
I compare AI's promised acceleration in software development with the actual decrease in productivity observed in the field. Why did we slow down, and how can.
Career
Thinking Beyond the Cloud: 5 Self-Hosting Skills That Make
I'm sharing the unique value that managing my own servers has added to my tech career, even in the cloud era, and 5 essential skills.
Career
Monolith vs. Modular Monolith: An Indie Hacker's Choice
As an indie hacker, I explore software architecture choices: balancing the easy start of a Monolith with the flexibility of a Modular Monolith, based on my own.
Career
The Only Rule That Hasn't Changed in 20 Years: Real Experience
Drawing from my 20 years of experience in system architecture, networking, and software development, I share what truly lasts in a changing tech world...
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5 Tactics to Reduce On-Call Stress in Distributed Systems
Being on-call for distributed systems can be stressful due to unexpected incidents and constant alerts. Here are 5 practical tactics to reduce that stress.
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The First Thing I Look for When Hiring: Talent or Fit?
With 20 years of system architecture experience, I look for much more than just what's on a candidate's resume. What catches my eye first during hiring? Based.
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Building Your Own Platform vs. Using a Ready-Made Solution: Lessons
With 20 years of system architecture experience, I compare the cost of building your own platform against the advantages of using ready-made solutions. An.
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Managing Cardinality Explosion in Observability in 3 Steps
Strategies for detecting, filtering, and managing the high cardinality issue that inflates costs and disks in metric infrastructures.
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The Biggest Lie in the Software World: 'Perfect Code' or Real Success…
With 20 years of experience, I'm revealing the biggest lie in the software world: how chasing perfect code hinders real success and the pragmatic approach…
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20 Years in IT. Here's What I Still Don't Know
With 20 years of experience in system architecture and operations, I'm still discovering and learning many things in the IT world. In this post, I'll share.
Career
As a System Architect, I Wish I Had Learned This Sooner
In my 20-year career, one of my most valuable lessons wasn't about technical knowledge, but about understanding my own limits and the cost of saying 'yes'.
Career
The True Value of an Idea: The Cost of Success and a Pragmatic
With 20 years of system architecture experience, Mustafa Erbay discusses the true value of an idea, the most expensive mistake in his career, and the pragmatic.
Career
Distributed Lock Alternatives: Which One to Use in Which Scenario?
Take a deep dive into the alternatives, use cases, and trade-offs of locking mechanisms in distributed systems.
Career
Distributed Systems Idempotency Design: 3 Practical Ways
I explain the three practical idempotency strategies I use to prevent duplicate requests in distributed architectures, with production experiences and code.
Career
My Biggest Entrepreneurial Mistakes
In my 20 years of system architecture and software development experience, I've made some big entrepreneurial mistakes beyond just technical knowledge. Here.
Career
Writing Code Is Now The Easiest Part
With twenty years of experience, I explain how the real challenges in a software project extend far beyond writing code. The impact of people, processes, and.
Career
The Support Bill of Choosing an Offline-First Mobile Architecture
I analyze how adopting an offline-first architecture in mobile applications increases long-term support costs rather than just development efforts.
Career
Building a Product vs. Marketing It: Which is Harder? A 20-Year
In my career, I've learned that the difference in difficulty between building a great product and marketing it isn't what we often think. Here are my.
Career
Is Software Engineering Dead?
A bold look at the current state of software engineering with 20 years of system architecture experience. With real experiences and a pragmatic approach...
Career
Kernel CVE Response Pattern: A Practical 3-Step Approach
Learn how to respond quickly and effectively to critical CVEs in the kernel with a practical 3-step approach.
Career
Kernel CVE Response: 3 Priorities for Infrastructure Professionals
I analyze 3 steps infrastructure managers should prioritize when responding to critical kernel CVEs, based on field experience.
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Why Network Certifications Are Insufficient for Your Career
I explore how far network certifications can actually carry you in your career, and why field experience and deep knowledge are much more critical.
Career
Optimizing Supply Chain Data Flow: 3 Steps for ERP
A 3-step guide to optimizing supply chain data flow in manufacturing ERPs, covering database, transaction queues, and network segmentation.
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Commercial APMs: Why They Are Always Overkill for an Indie Hacker
Why commercial Application Performance Monitoring (APM) tools are disproportionately costly, especially for solo developers and small teams...
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Drawing Technical Boundaries in Network Consulting in 3 Steps
I examine what happens when we don't define the boundaries of our work in infrastructure and network consulting, in 3 steps from L2/L3 layers to DNS.
Career
API Versioning Strategies: Simplicity or Flexibility in Application
I examine the balance between simplicity and flexibility when choosing among API versioning strategies, drawing from my own experiences. Which approach works.
Career
BurnCPU's First 100 Users: The Most Expensive Mistake of My Career
With 20 years of system architecture experience, I explain how the most expensive mistake of my career wasn't a line of code, but a 'yes'. A thought-provoking.
Career
Mobile App API Versioning: The Career Cost of Technical Debt
An in-depth guide to mobile application API versioning strategies, the impact of technical debt on careers and projects, and best practices.
Career
VPN Dual-Stack: An Unnecessary Burden on Your Career
I analyze the complexities and operational costs of VPN dual-stack implementations based on my own experiences.
Career
How the BurnCPU Idea Came About: A Career Story
I'm sharing candidly how the 'BurnCPU' idea, one of the turning points in my career, was born, the problems I faced, and what it taught me.
Career
Prioritizing Monitoring and Alerting: My 3-Step Pragmatic Guide
Striking the right balance between monitoring and alerting in system and application operations has always been challenging. In this post, I'll explain my.
Career
Why I Built My Own Social Network
One of the biggest decisions in my career was to build my own social network. I'm sharing why I embarked on this journey, my expectations, and what I learned.
Career
BGP Route Flap: The Cost of Stability in Scalable Networks
I explore BGP route flap issues, their impact on network stability, and how I've managed such incidents in my own operations, drawing from my experiences.
Career
Dependency Vulnerability Pattern: Management Status in Small Projects
I examine the challenges of dependency vulnerability management in small projects, the patterns I've encountered, and my pragmatic solution approaches.
Career
Offline-First: Necessary for Every App, or Over-Engineering?
Is Offline-First architecture a must for every application? Based on my own experiences, I'll discuss the advantages, costs, and real needs of this approach…
Career
Distributed Locks in Side Projects: 4 Simpler Approaches
Learn how to implement distributed lock mechanisms in your side projects using simpler and more pragmatic methods.
Career
Managing High Cardinality Metrics in 3 Steps: Cost vs. Detail
I'm discussing the costs associated with high cardinality metrics and practical ways to manage them. Balancing the level of detail and cost…
Career
Monorepo or Polyrepo? 3 Critical Consequences of Your CI/CD Choice
My experiences with how monorepo and polyrepo choices in software projects affect CI/CD processes, team dynamics, and long-term project health…
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AI Agent Tool-Use Limits: The Cost of Architectural Choices
My experiences with architectural trade-offs and their operational costs when designing AI agent tool-use capabilities.
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Eventual Consistency: When to Choose It Over Strong Consistency
I explain the differences between consistency models in distributed systems, when I chose which one in my own experiences, and their trade-offs.
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The Principle of Least Privilege: Operational Speed's Security Cost
An in-depth analysis of the principle of least privilege's impact on operational speed, security risks, and practical applications.
Career
Monolith vs. Modular: Which of the 3 Architectures is Right for You?
Choosing a software architecture determines a project's fate. I'll share my experiences with the trade-offs between monolithic, modular monolith, and.
Career
RED Metrics: Are Comprehensive Implementations Necessary in Every
What RED metrics are, when they are needed, and whether they are always comprehensive...
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RAG Quality in Side Projects: Is Perfection Always Necessary?
I examine the quality of Retrieval-Augmented Generation (RAG) systems in my side projects and whether it always needs to be at the highest level...
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3 Deploy Strategies for CI/CD: Cost and Efficiency Analysis
Based on my experience, I analyze the costs, efficiencies, and operational burdens of CI/CD deploy strategies in detail.
Career
The On-Call Cost of Distributed Locks
I examine the operational burden of distributed locks, the hidden costs they impose on on-call engineers, and simpler alternatives.
Career
Why Does VPN Dual-Stack Configuration Always Cause Problems?
MTU, DNS leaks, and routing issues I encountered while trying to run IPv4 and IPv6 in the same VPN tunnel. Solutions proven by experience.
Career
Solving Network Issues with VPN Dual-Stack Configuration in 3 Steps
Learn how to resolve network connectivity issues by configuring IPv4 and IPv6 simultaneously in your VPN. Detailed steps and practical tips.
Career
Cardinality Explosion: Should Every Detail Really Be Observed? And
What is cardinality explosion in monitoring systems, why does it happen, and how does this situation affect both systems and an engineer's career? Practical...
Career
Multi-Tenant Architecture in ERP: How to Make the Right Trade-offs?
Trade-offs to weigh when choosing and implementing multi-tenant architecture in ERP systems: cost, data isolation, and scalability, from real experience.
Career
Log Level Strategies: Detailed Monitoring or Minimum Noise?
Correctly setting log levels in our systems requires striking a critical balance between detailed monitoring and reducing unnecessary noise. This…
Career
Why Does Using an ORM Decrease Database Performance? An Experience...
I explain how the convenience of ORMs negatively affects database performance, especially in enterprise applications, using my own field experiences.
Career
AI Prompt Injection Defense Mechanisms and Cost Analysis
Exploring defense mechanisms against prompt injection attacks targeting large language models and the associated costs...
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Log Level Strategy: Is Debug Always Unnecessary?
Effective management of log levels is critical for system health and troubleshooting processes. In this article, we explore the necessity of the debug level.
Career
CI/CD for Side Projects: 3 Pragmatic Design Choices
I explain how I set up CI/CD processes in my side projects using pragmatic approaches and the challenges I encountered during these processes.
Career
Shared Build Cache: Makes Sense for the Independent Developer?
I analyze the practicality of shared build cache solutions for independent developers in terms of cost, performance, and maintenance. From my own experiences...
Career
AI Agent Tool-Use: Boundaries in Cost and Performance Balance
I provide a pragmatic perspective by examining the cost and performance limits of AI agents' tool usage with real-world scenarios.
Career
Transitioning from Monolith to Modular: A Comparison of 3 Different
I delve into 3 different strategies you can use when transitioning from a monolithic to a modular architecture, examining their trade-offs and providing.
Career
Transitioning from Monolith to Modular Monolith: 3 Pragmatic Reasons
I'm sharing the 3 core reasons that convinced me to transition from a monolith to a modular monolith in enterprise software architecture, along with my.
Career
Monolith vs. Microservices: Which is Better for Your CI/CD Pipeline?
Comparing the impact of Monolith and Microservices architectures on CI/CD processes, with practical experience. Deciding when to choose which.
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The Cost of Kernel CVE Patching Frequency in SLA Commitments
How often should you patch kernel CVEs while meeting your SLA commitments? I took a deep dive into the costs and risks involved.
Career
Database Partitioning Cost: Is It Really Worth It?
I analyze the benefits and costs of database partitioning. When should you partition, and when should you avoid it? I share my experiences.
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Three Challenging Aspects of the Kernel CVE Patching Process: My
I examine three critical challenges in the Linux kernel CVE patching process, with concrete examples and practical solutions.
Career
Why is BGP Route Flap Management Only Easy in Theory?
I explain the fundamentals, causes, and practical solutions for BGP route flap issues based on my own experiences. Why theoretical solutions are challenging in.
Career
The Impact of Eventual Consistency on the Developer Mindset
I explore the burden of working with eventual consistency in distributed systems on developers and my approaches to managing this situation.
Career
GitOps vs Push-Based CI/CD: Which One for Consulting?
Based on my hands-on field experience, I compare GitOps and push-based CI/CD approaches. Which one should we choose for different scenarios?
Career
Mobile Offline-First Sync: Necessity or Luxury for Indie Hackers?
Analyzing when offline-first synchronization in mobile apps is a necessity and when it's a luxury for indie hackers. Real-world scenarios, cost analyses, and.
Career
Modern Approaches to Secret Rotation: Securing Your Systems
Learn modern secret rotation practices to keep your systems secure. In this guide, we will walk through the process step-by-step.
Career
Reducing Pager Fatigue: Why Excessive Alerting Systems Fall Short?
Analyzing pager fatigue and the shortcomings of excessive alerting systems with my operational experience accumulated over the years. Real problems...
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Database Transaction Isolation Levels: Why They Are Always Critical?
The importance of database transaction isolation levels in real-world applications, the problems I've encountered, and how the right choice impacts my career.
Career
The Hidden Cost of CI/CD Pipeline Complexity: Maintenance and
Explore the unseen costs of complex CI/CD pipelines, maintenance challenges, and consultancy expenses through Mustafa Erbay's pragmatic perspective...
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Pragmatic Switch Hardening: 3 Critical Configuration Steps
I'm sharing the switch hardening steps that form the foundation of network security based on my own experiences: DHCP Snooping, DAI, and IP Source Guard.
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Fast Deploy Decisions: Team Stress and the Edge of Debt Accumulation
A guide from my personal experiences on team stress, technical debt, and trade-offs encountered when choosing deploy strategies.
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Multi-tenant ERP Solutions: Why Are the True Costs Overlooked?
I explore the operational and technical challenges behind the seemingly attractive initial costs of multi-tenant ERP solutions, drawing from my own experiences.
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Blue/Green vs. Rolling Deploy: Risk and Cost Analysis
A deep dive into the risks, costs, and practical applications of Blue/Green and Rolling deployment strategies in software delivery.
Career
Security Patching on My Own VPS: Hours Stolen from a Client Project
I explain step-by-step a security vulnerability encountered during a client project and how I patched it on my own VPS. Lessons from field experience.
Career
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When Systems Aren't 'Up' in Consulting: Eroding Customer Trust
How does a system not being 'up' in consulting projects erode customer trust? I address this topic with practical approaches and my experiences.
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Docker Disk Fire: Root Cause Analysis on My 7.6 GB VPS
I deeply investigated Docker disk space issues on a small VPS, from image layers to logs, and shared practical solutions.
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My Own VPS Crisis: That Moment of Panic During a Client Meeting
I share the panic I experienced when my VPS crashed during a critical client meeting and the process of resolving it. Technical details and lessons learned.
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System Architecture is a Bit About Paranoia
From OOM scenarios on my own VPS to Docker disk fires, why system architecture is a discipline that requires constant vigilance…
Career
Diving Into 7 Projects at Once: Why Not To, and Why I Did It Anyway
The chaos of running multiple side projects at the same time, and the story of pushing through anyway after learning from the mess.
Career
Where Do You Draw the Overengineering Line in Small Projects?
The decisions, trade-offs and experiences I rely on to avoid overengineering traps in my own indie projects.
Career
Turkey's Cost of Living: Why Can't We Really Measure It?
A personal take on inflation and data reliability. Drawing on the data problems in my own projects to explain why Turkey's cost-of-living numbers feel off.
Career
Listing Price and Real Rent Are Not the Same: The Reality of Data…
Why scraped listing data doesn't reflect the real market, plus the technical challenges of data cleaning — from my own experience.
Career
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A Self-Running Content System: An Indie Hacker's Experience
Problems I hit, lessons I learned, and the small tweaks behind my AI-driven content pipeline. From VPS to GitHub Actions, real field experience.
Career
Why There's No Real Salary Data in Turkey
Examining how hard it is to get salary data in Turkey, in light of my personal observations and data experience.
Career
The Lasting Cost of Quick Fixes: An Architect's Regret
An in-depth guide to the long-term costs of emergency fixes and an architect's experiences on the topic.
Career
The Idempotency Crisis in Distributed Systems: An Operational…
Explore — through Mustafa Erbay's lens — the idempotency concept and the crisis that turns into an operational nightmare in the complexity of distributed…
Career
The Mysterious Effect of Clock Drift in Distributed Systems
Learn the causes, effects of clock drift in distributed systems and the methods used to solve it through a detailed examination.
Career
IAM Role Mess: The Cloud Identity Management Swamp
Discover the causes and risks of IAM role mess in cloud environments and the ways out of this swamp. Best practices for a secure cloud infrastructure...
Career
Hidden Sentinel Wars in Production: A Firewall Betrayal
Dig deep into the unexpected effects of Sentinel-based firewalls in production and these 'hidden wars.' Strategies and solutions.
Career
The Disaster a Single DNS Record Can Create
Discover the critical importance of DNS and how a single wrong record can lead to massive disasters. How to manage these risks in your career and operations...
Career
The Battle Against Technical Debt: An Engineer's Diplomacy
Tackling technical debt is not just about writing code, but also about diplomatic communication with stakeholders. Discover an engineer's role in this process.
Career
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My Cleanup Script Killed the GitHub Runner: A Self-Inflicted Incident
My disk-cleanup.timer wiped the runner's _work/_temp directories. For 16 hours every cron exploded with 'Missing file: set_output_*'. A confession of…
Career
Cross-Team Tension During a Crisis: An Incident Story
Explore the causes and consequences of cross-team tension during a critical incident, and the steps needed to manage it. Effective leadership…
Career
The Paralysis of Architectural Debt: A Project's Silent Death
A deep dive into the destructive effects of architectural (technical) debt that we encounter so often in software projects, and how a project gets dragged…
Career
The Curse of Stale Cache in High-Traffic Applications: Strategies and…
Learn how stale data hurts performance in high-traffic applications and the ways to break out from under that curse.
Career
State Management in the Cloud: An SRE's Lost Battles
Explore the challenges of state management in cloud environments and the battles fought in this space, told from an SRE's perspective.
Career
The Legacy of an Old Internal Load Balancer: An Engineer's Test
An old internal load balancer fails unexpectedly — and shapes the technical and career-defining test it puts an engineer through.
Career
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An Old Engineer's Notebook: The Automation Nightmare
In a world where we keep pushing the limits of automation, what is the cost of losing the human factor? Technology and the future from an old engineer's…
Career
The Failover Paradox: Bringing Down a System While Trying to Save It
Learn how you can unintentionally take your systems down while trying to save them, and how to avoid the Failover Paradox.
Career
The Dark Side of Technology: The Unscalable API Gateway Wars
An in-depth guide to API gateway scaling problems, the complexity of system architecture, and how these wars affect your career.
Career
From Monolith to Microservices: The DevOps Culture Wars
Migrating from monolithic architecture to microservices isn't just a technical transformation — it's a deep cultural shift. Through DevOps principles, in…
Career
The Hidden Trap of Auto-Scaling: A Capacity Engineer's…
Learn about the unexpected challenges of auto-scaling and how, as a capacity engineer, you can avoid these traps.
Career
The Invisible Burden of DevOps Teams: The Operational Cost of…
Examining the invisible burden technical debt places on DevOps teams and its operational cost, with strategies for managing it.
Career
Managing a Security Vulnerability: A Leader's Hair Shirt
Learn the challenges and strategies of managing security vulnerabilities effectively as a leader. Use this guide to turn crises into opportunities.
Career
The Zombie Process Hunt in Production: Anatomy of a Hidden…
A detailed look at the 'zombie process' problem in production environments and how to analyze and resolve this hidden form of resource waste.
Career
Cloud Provider Lock-In: An Engineer's Career Test
What is cloud vendor lock-in? The career risks for engineers and the strategies that help you avoid getting stuck.
Career
Disk Space Saturation: Anatomy of a Silent Production Crisis
Explore the silent crises caused by disk space saturation in production environments, their root causes, and proactive resolution strategies.
Career
Critical Database Migration: Decisions With No Way Back
Discover why database migrations sometimes turn into decisions you can't undo, and what that means for your career. Detailed planning, risk…
Career
Ephemeral Storage Crisis in Production: Containers' Instant Memory…
Read Mustafa Erbay's take on the crises caused by ephemeral storage in the container world and how these instant memory wars affect your career…
Career
Multi-Tenancy Migration in a SaaS Monolith: An Architect's Hidden…
Read Mustafa Erbay's account of the challenges of moving a monolithic SaaS to multi-tenancy, the lessons learned, and the strategies for success.
Career
Time Sync Differences: Ghost Bugs in Distributed Systems…
Discover the 'ghost bugs' caused by time sync differences in distributed systems. How they appear, how to diagnose…
Career
Post-Mortems After Major Outages: The Engineer's Invisible Burden
A post-mortem after a major outage isn't just a technical review. Understanding and managing the psychological, invisible burden engineers carry through it…
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Hidden API Gateway Limits: Unexpected Bottlenecks in Production
How do hidden API Gateway limits cause unexpected issues in production? In this article, we explore strategies and practical solutions to prevent these.
Career
Hidden Performance Issues in the Shadow of Service Mesh: For Your…
Beyond the advantages Service Mesh offers, the often-overlooked performance costs and how they reflect on a software engineer's career…
Career
Hunting Zero-Day Vulnerabilities: The Security Team's Sleepless Nights
Zero-day vulnerabilities are one of the biggest threats in modern cybersecurity. The tough fight security teams put up against this invisible enemy and…
Career
Server Room Nightmare: When Physical Infrastructure Betrays You
Learn about server room nightmares and how physical infrastructure problems affect your career. Discover how to solve and prevent these issues.
Career
Database Sharding Decisions: An Architect's Regrets
Examine the challenges of database sharding decisions and possible architectural regrets through Mustafa Erbay's eyes. Technical depth and practical advice.
Career
Multi-Cloud Adoption: Team Skills Crisis and Career Transformation
The rise of multi-cloud strategies has surfaced a real skills crisis on engineering teams, but it also opens up huge career transformation opportunities for…
Career
Packet Loss in a Multi-Layer Network: Fighting a Performance Killer
Learn the causes of packet loss in multi-layer networks and how to deal with this hidden performance killer. Optimize your network performance.
Career
Hunting Single Points of Failure: Anatomy of a Filthy Server Room…
We look at the single point of failure problem in system architecture through the lens of the risks created by a physically neglected server room.…
Career
From VM to Container: The Identity Crisis of Traditional Ops
We look at the move from virtual machines to containers, the identity crisis traditional operations (Ops) is facing, and the new skills needed to keep up.
Career
The Decision Log and Handoff Discipline During Incident Rotation
How a decision log, a steady handover rhythm, and a clean handoff flow keep context from getting lost when teams swap during long-running outages.
Career
The Human Side of SRE: From Pager Fatigue to Proactive Trust
Discover that SRE is not just about technology, but also about human health and team well-being. A roadmap for moving from pager fatigue to a proactive…
Career
The Load Balancer Nightmare: Hidden Configuration Errors and Team…
An in-depth look at how overlooked load balancer configuration errors can wreck system stability and devastate engineering teams.
Career
Chaotic Recovery: The Human Touch When Automation Falls Silent
Explore the limits of automation and the indispensable role that the human touch, critical thinking, and empathy play in crisis management when systems…
Career
The Human Cost of Technical Debt: Battling Legacy Systems
Discover the challenges that technical debt and legacy systems bring, plus the human cost behind them. Save your career and your projects with practical…
Career
The Vendor Lock-in Nightmare: The Real Cost of Database Migration
A deep look at vendor lock-in risk in database choices, the visible and hidden costs of migration, and the strategies you can use to avoid these traps…
Career
Hidden Dependencies: Production Backfires and Architectural Lessons
How hidden dependencies in systems lead to unexpected production issues, and the architectural lessons we need to take away to reduce those risks…
Career
From Pager Burnout to System Resilience: An SRE Transformation Story
Discover the journey from the engineer's nightmare of Pager Burnout to amplified system resilience and sustainability through SRE principles.
Career
Post-Change Verification Cadence: Smoke, SLO, and Rollback
Assuming the release is done is how you summon an incident. A practical framework for turning post-change verification into a cadence: fast smoke checks…
Career
Major Incident Management: Incident Commander and Runbook Practices
In big outages the largest risk isn't technical, it's coordination. How I drive MTTR down with the IC role, a steady comms cadence, and a practical runbook…
Career
Access Review and Privileged-Access Cadence in Operational Leadership
Moving privileged access past the 'who has it?' question into a working governance discipline built on JIT, break-glass, audit, and revocation.
Career
Incident Walkthrough and Operational Signals in a Platform Interview
An incident walkthrough framework and scoring rubric for measuring a candidate's real production reflex in SRE/Platform/Infra interviews.
Career
Mapping Risk with Pre-mortems Before a Change
Living through the failure in your head before going to production: pre-mortem cadence, a template, decision points, and operational leadership in practice.
Career
Balancing Operational Confidence and Speed with DORA Metrics
Keeping production confidence while increasing deployment speed: a practical management cadence and team rhythm that combines DORA metrics with SRE signals.
Career
Operational Readiness Review (ORR) Before Go-Live
Turning go-live from 'ship and pray' into something with clear risk, ownership, and rollback reflex: a practical ORR gate and checklist.
Career
Service Ownership (RACI) for On-call and Change Clarity
Cut incident duration caused by ownership ambiguity using a RACI-based service catalog: speed up on-call, change, and access decisions.
Career
Managing Operational Debt with a Toil Budget
A toil budget approach for sustainable operations: measuring repetitive manual work, making it visible, and protecting time for improvement.
Career
An Exit Plan for Vendor Lock-in: Technical + Operational Contract
A practical framework that treats vendor lock-in not as 'fear' but a manageable risk, tying the exit plan into technical design and operational processes.
Career
Stabilization Sprint After Major Incidents (7 Days)
A postmortem isn't enough: an operational framework for a focused 7-day sprint that closes alert, runbook, risk, and communication debt.
Career
A Lightweight RFC Process for Architecture Decisions
How to keep architectural consistency while moving fast: short RFCs, clear ownership, time boxes, and a paper trail of decisions.
Career
Evidence Collection Kit and Roles During an Incident
An evidence set, time standard, role assignment, and practical checklist to break the panic-driven 'SSH into one server' reflex.
Career
Minimum Viable Runbook Template and Incident Decision Points
A minimum template, thresholds, and practical examples for turning the runbook from a documentation pile into a tool that produces decisions during an incident.
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On-Call Rotation and Escalation Design: Operational Calm
Realistic on-call, escalation, and runbook design that reduces pager fatigue, speeds up decision-making, and clarifies incident communication.
Career
Designing Pre-Incident Drill Narratives for Technical Leaders
A leadership approach that turns incident drills from purely technical tests into shared decision-making and communication practice.
Career
A Tacit Knowledge Inventory Cadence for Senior Engineers
A practical cadence for surfacing the implicit operations knowledge that keeps systems alive — without leaving it tied to a handful of people.
Career
From Alert Fatigue to a Learning Loop — A Guide for Tech Leads
A leadership approach that ties alert noise to team learning, on-call health, and operational quality — instead of just shaving the count down.
Career
Post-Change Confidence Refresh Sessions for Tech Leads
A short, measured, leadership-focused session model for rebuilding the team's delivery confidence after a risky release.
Career
Decision Delegation in Sev2 Incidents — A Tech Lead's Playbook
A clear framework of roles, thresholds, and communication paths for spreading the tech lead's decision load during Sev2 incidents.
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Translating Technical Risk for Management — A Tech Lead's Practice
A leadership practice that frames technical risk through decision impact and business outcome — not through alarm language.
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A Technical Debt Negotiation Framework for Senior Engineers
An approach that turns technical debt from a complaint topic into something negotiable across budget, risk, and delivery planning.
Career
A Blameless Escalation Framework for Technical Leaders
A blameless leadership framework that takes escalation decisions out of personal reflexes and manages them with clear thresholds.
Career
Decision Log Discipline for Senior Engineers
A decision log approach that lifts architectural and operational choices out of personal memory and turns them into something a whole team can carry.
Career
Resetting Priorities After an Incident — A Practice for Tech Leads
How to rebalance recovery, debt, and delivery after an outage without blindly inflating the backlog.
Career
A Guide to Becoming a Freelance Developer
A guide to building sustainable income and reputation in freelance work through niche selection, pricing, scope management, and a reliable delivery rhythm.
Career
Runbook Debt Management for Senior Engineers
A technical leadership approach to runbook debt management that moves operational memory off individuals and onto the system.
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A Service Ownership Handover Protocol for Senior Engineers
A handover model that moves service knowledge into operable contracts rather than individuals strengthens continuity in technical leadership.
Career
Capacity Negotiation Discipline for Technical Leaders
A clear framework for the technical leadership practice of negotiating capacity without getting crushed between delivery pressure and operational load.
Career
An Operational Health Review Cadence for Technical Leaders
A weekly leadership cadence that matures operational culture by reading alarm noise, runbook debt, and team load on the same dashboard.
Career
Release Discipline Without Change Windows for Senior Engineers
A technical leadership framework for safe releases in enterprise teams without depending on change windows.
Career
Designing Incident Command Rotation for Senior Engineers
A technical framework for designing command rotation to scale incident load without depending on the reflexes of a few people.
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Operational Delegation Design for Senior Engineers
A delegation model for safely transferring critical operations knowledge instead of keeping it locked in one head.
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Incident Communication Architecture for Technical Leaders
A communication model, role boundaries and decision rhythm that accelerate cross-team information flow during outages.
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Resistance Mapping in Platform Migrations for Technical Leaders
A resistance mapping approach for spotting unspoken team objections early during platform transformations.
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Change Approval via Risk Contracts for Technical Leaders
A technical leadership approach that turns change approval from a bureaucratic signature into an explicit risk contract.
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Shadow On-Call and Skill Transfer in Technical Leadership
A mentorship-driven operating model that uses shadow on-call to spread on-call knowledge across the team instead of locking it in one person.
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Operational Calmness Practice for Technical Leaders
A practical framework for technical leadership behaviors that stay calm under incidents, change pressure, and team tension.
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The Tech Lead’s Translation Role in Platform Transformation
The technical leader’s responsibility for creating a shared language between engineering, operations, and business units in platform transformation projects.
Career
Postmortem Culture for Technical Leaders
A leadership guide for transforming the postmortem process from a blame-finding meeting into a learning team practice.
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Career Planning as a Software Engineer
A guide for treating your career not as a 'job title' but as an impact area and skill portfolio, and for building a 6–12 month plan with measurable steps.
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Does GitHub Copilot Make Developers Lazy? My Perspective
With 20 years of experience, I question how AI tools like GitHub Copilot impact developer productivity and whether they lead to laziness.
Career
The Thing I Wish I Had Given Up On Sooner in My Career
A lesson distilled from twenty years of experience: My biggest mistakes weren't technical, but not knowing when to give up. How I fell into the perfectionism.
Career
Why Do Most SaaS Companies Fail?
With 20 years of system architecture experience, I explain why most SaaS startups fail and what the right steps should be.
Career
What Happened After My Mastodon Account Was Suspended?
A personal experience on the limits of free speech on social media and how platform decisions impacted my career.
Career
There Is No Such Thing as a Perfect Product: The Naked Truth of 20
With 20 years of system architecture and software development experience, Mustafa Erbay deconstructs the 'perfect product' myth. Pragmatic approaches and.