Senior Backend Engineer · System Architect · Kazakhstan
Your business grows — the system holds.
I build platforms that handle millions of users and keep running without downtime — so your business keeps earning while it grows. 10+ years across healthcare, education, fintech, security and retail.
A few of the businesses I've helped grow and stay online. Open any project to see the problem, the fix, and the result.
What I do
How I help your business
Pick what you need — or hand me the whole journey, from idea to a system that runs itself.
Build for growth
New platforms, built to scale
I design and build platforms that handle millions of users from day one — so you grow into your system instead of rebuilding it every year.
01 / 06
Make it fast & stable
Fix what's slow or breaking
Site crashing, pages loading slowly, mysterious bugs? I find the root cause, fix it, and clean up the mess underneath so it stays fixed.
02 / 06
Know what you're sitting on
Health check & security audit
A clear, honest report on your code, architecture, and security risks — in plain language, with a prioritized list of what to fix first and why it matters.
03 / 06
A senior on your side
Technical advisor
Choosing a tech direction, hiring, or planning to scale? I'm the experienced second opinion that keeps you from expensive mistakes before they're built.
04 / 06
Put AI to work
AI assistants & automation
Custom AI assistants that answer customers, qualify leads, and take repetitive work off your team — working around the clock so your people don't have to.
05 / 06
iGaming
Betting & gaming platforms
Betting platforms with live odds, real-time data, smooth payments, and fraud protection — the high-stakes, high-traffic systems this industry lives on.
06 / 06
About
A digital nomad of the steppe
I'm a senior backend engineer based in Kazakhstan, working with companies worldwide. For over a decade I've taken messy, half-defined problems and turned them into systems that just work — the kind that stay quiet in production while the business grows around them.
Antivirus engines, healthcare platforms, a nationwide online school, high-traffic betting — different industries, same promise: build it once, build it right, and let it carry the load so you never have to think about it.
01
Measure, then build
I don't guess. I find where it actually hurts, fix that, and let the architecture carry the weight.
02
Reliability is the feature
The flashy parts earn their complexity. Everything else stays simple — so it doesn't wake you up at night.
03
I own the outcome
From the first sketch to a system running smoothly in production — I see it through, end to end.
~/codelbk/now.sh
$ whoami
code lbk · senior backend engineer
$ cat focus.txt
→ systems that handle millions
→ AI that does real work
→ fast, and stays online
$ uptime
10y · 7 industries · millions served
$ status
Open for new projectsKazakhstan · GMT+5
For the engineers
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