Developer & Technologist
I build things that feel inevitable — systems, products, and experiences where technology disappears and ideas take form.
I'm a full-stack developer and systems thinker with 8+ years of experience building software that scales. I care deeply about the invisible craft — the architecture decisions that let teams move fast without breaking things.
My work lives at the intersection of rigorous engineering and product empathy. I've shipped to millions of users, led platform migrations, and built developer tools used by thousands of engineers. But my favourite moment is still that first clean compile after a hard refactor.
Designing distributed systems that scale gracefully. From event-driven microservices to monolith-to-service migration strategies that actually work in production.
End-to-end product engineering with obsessive attention to performance. React frontends that don't feel like React. APIs that developers actually want to use.
Infrastructure as code that doesn't become technical debt. Zero-downtime deployments, cost-optimised architectures, and observability from day one.
Building the tools that make other engineers more productive. CI/CD pipelines, internal platforms, SDKs, and developer portals that teams actually love.
Profiling, benchmarking, and optimising systems from database query plans to browser paint timings. Fast is a feature — I treat it like one.
Bringing AI capabilities into production systems thoughtfully. LLM orchestration, embedding pipelines, RAG architectures, and the evaluation frameworks to know if they work.
Real-time analytics infrastructure · 50M events/day
Open source developer toolchain · 8k GitHub stars
Component library powering 6 products · 200+ components
LLM-powered codebase assistant · shipped to 10k devs
My toolkit
How I work
Great systems start with ruthless problem framing. I spend more time here than most — the wrong answer built perfectly is still wrong.
I architect for the system you'll need in 18 months, not just today. Boundaries that make sense now, extensibility that doesn't require rewrites later.
Incrementally. With observability from day one. Real data shapes everything — I build feedback loops into the system, not on top of it.
The first shipped version is always wrong in interesting ways. The goal is a codebase that gets easier to change, not harder.
The best code is code that doesn't need to exist. Elegance isn't about showing off — it's about making hard things feel obvious in hindsight.
— Alex Chen's engineering philosophyI'm selective about what I work on — I want to pour effort into things that matter. If you have a hard problem and a high bar, let's talk.
Currently available for select consulting engagements, architecture reviews, and long-term contracts. Especially interested in early-stage teams and ambitious technical challenges.
Start a conversation →