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Available for new projects

Ship real software
2× faster with AI-driven development.

AI changed the economics of building. Paired with 18 years of engineering judgment, it turns weeks of work into days — without shipping fragile code. You get senior-grade results, in less time, for less budget.

18+
years shipping
100%
senior-owned code
4.0
Upwork, 11 jobs
Working across
OpenAI Anthropic Claude n8n PHP WordPress React Python MySQL FastAPI Vector DB

Why AI-driven, why now

The best time to build was expensive. Now it's fast and affordable.

AI doesn't replace engineering — it removes the busywork around it. The senior thinking stays; the hours drop. That difference is what you feel in the timeline and the invoice.

Faster delivery

Prototypes in days, features in a week. Momentum you can actually see.

Lower cost

Fewer hours to the same outcome. Budget goes to results, not overhead.

Production quality

Every line is reviewed by a senior engineer. Tested, secure, maintainable.

Broader scope

One senior partner across full-stack, AI integration and automation.

The process

Five stages, from idea to shipped

A clear, senior-led path. AI accelerates the build; the judgment at every gate is human.

  1. 01

    Discovery

    We define the goal, constraints and what success looks like — measured, not vague.

  2. 02

    Architecture

    Data model, stack and the exact points where AI adds leverage — planned before a line is written.

  3. 03

    AI-accelerated build

    Rapid iteration with a human reviewing every change. Fast, but never on autopilot.

  4. 04

    Hardening

    Tests, security review and performance tuning — p95 latency, error budgets, edge cases.

  5. 05

    Ship & iterate

    Deploy, monitor and improve. You get docs, handover and a partner who stays reachable.

Who you're working with

Serhii Kalyna

Serhii Kalyna

AI Integration Developer based in Kyiv. 18 years building web applications — now focused on AI development and LLM integrations, and sharing what actually works in production on the blog.

You work directly with me. No account managers, no handoffs — the person planning the architecture is the person writing the code.

18+
years of experience
11
jobs on Upwork
4.0
client rating
$45
per hour

Have something to build?

Tell me what you're working on. You'll get an honest take on scope, timeline and whether AI is the right lever — usually within a day.

[email protected] · Kyiv, Ukraine