Beyond Standard Development
For me, coding is not a profession, it's a craft. I reject the "just make it work" mentality, building elegant, efficient, and future-oriented systems.
"I write code thinking not just about today, but about what a system will look like five years from now."
Mustafa Hasırcıoğlu
Software Engineer & Founder
Entrepreneurial Developer,
Production & Scaling Focused
I'm an engineer and founder-focused developer who specializes in taking software products from concept to production, designing and building scalable, secure, and maintainable systems.
Over 12 years, I've developed cloud-based infrastructures, payment systems, and e-commerce solutions. I make product decisions based on data, operational reality, and user needs.
“I failed 20 times but didn't give up — now I'm on my 21st attempt and I know I'll win on the 22nd. How will you beat me?”
Mustafa Hasırcıoğlu
Software Engineer · Founder
Featured Projects
“The best way to predict the future is to create it.”
Selected Work
Real products I launched — from idea to scale. Each project represents months of engineering, design decisions, and solving complex problems.
Deweloper Cloud
Founder & Lead Engineer
Cloud-native development platform with Kubernetes orchestration
HsrcPay
Founder & Backend Lead
Payment platform for Turkish merchants with instant settlement
AnonimSor
Founder & Full-Stack Developer
Anonymous Q&A platform with real-time messaging
FIGHTLAND
Founder & Full-Stack Developer
Custom Rust game server with premium store and full economy management system
Ficksa
Founder & Backend Developer
E-commerce platform with advanced inventory management
Are you one of these?
I work with different types of builders. Choose your profile to see how I can help.
Technical debt is slowing you down
Your MVP worked, but now scaling is painful. Every new feature takes weeks instead of days.
You need someone who thinks like a co-founder
Not just code execution — you need strategic technical decisions and ownership mentality.
The Outcome: Ship faster, scale confidently, and build a technical foundation that grows with your business.
Let's build togetherFocus on your business,
not firefighting bugs
Working with me means you get more than code. You get systems that work, scale, and let you sleep at night.
Ship Faster
→ Launch in weeks, not months
Modern stack, automated deployments, and battle-tested patterns mean your MVP goes live quickly.
Sleep Better
→ 99.9% uptime, production-ready
Built with monitoring, logging, and incident response from day one. No 3 AM panic calls.
Scale Confidently
→ Handle 10x growth without rewrites
Architecture designed for scale. When users flood in, your system handles it gracefully.
Reduce Costs
→ Optimized infrastructure = lower bills
Smart caching, efficient queries, and right-sized infrastructure cut your cloud costs significantly.
Skills & Technologies
Specialties: Go, Kubernetes, Distributed Storage, Payments. Click any skill to see which projects use it.
How I Work
A proven 4-step process that takes your idea from concept to production. No surprises, just results.
Discover
We define the right problem
Clear technical roadmap, architecture decisions, and realistic timeline. No guessing.
We define the right problem
Clean code, tested features
Deploy with confidence
Grow without breaking
Ready to start your project?
Let's TalkTrusted by Founders & Teams
Real results from real projects. Here's what clients say about working with me.
Projects I've Built
“Mustafa built our entire payment infrastructure from scratch. His deep understanding of security and scalability gave us confidence to process millions in transactions. Zero downtime since launch.”
Ahmet Y.
CEO · Fintech Startup
Thoughts & Technical Deep Dives
I write about systems design, production lessons, and the craft of software engineering.
5 Kubernetes Lessons I Learned the Hard Way
Production incidents taught me more than any tutorial. Here are the critical Kubernetes lessons that will save you from midnight debugging sessions.
Building a Payment Gateway: Technical Deep Dive
How we built a secure, scalable payment processing system handling thousands of transactions daily. Architecture, security, and lessons learned.
Let's Build Something Great Together
Whether you need a technical co-founder, a senior engineer, or someone to scale your infrastructure—I'm here to help turn your vision into production-ready systems.
Book a Strategy CallFree 30-minute consultation · No commitment required
Email Me Directly
Quick questions? Drop me a line.
mustafa@hasirciogluhq.com →
Request Case Study
See detailed project breakdowns.
Get case studies →
Schedule a Call
Pick a time that works for you.
View calendar →
Trusted by 10+ startups and teams · 99.9% uptime on production systems · 7+ years building at scale