Almaty, Kazakhstan/Open to new projects

Sergei Degoev

Fullstack TypeScript developer. Startups and AI products, built end to end

I take an idea to a working product: web services, AI-powered apps, Telegram Mini Apps. 6+ years in commercial development.

Message me on TelegramUsually reply within a few hours

Services

What I can build for you

Web & fullstack

From a landing page to a full product with auth, payments, admin panel and API. Next.js, React, Node.js, PostgreSQL.

AI applications

Assistants, chatbots, RAG over your data, agent pipelines and LLM integrations into an existing product. Claude, OpenAI, vector search.

Bots, Mini Apps, games and in-app payments, including TON and Stars. grammY, TON Connect, WebApp SDK.

Smart contracts

Solidity for EVM, Tact and FunC for TON. Tokens, NFTs, staking, DeFi primitives. Tests, gas review, deploy scripts.

Blockchain apps

Wallet-connected frontends, indexers and backends that talk to the chain. viem, wagmi, ethers, TON SDK.

MVP end to end

The whole startup loop: architecture, code, deploy and analytics — one person instead of a team, weeks instead of months.

How I work

Weeks, not months

AI agents, used deliberately
Coding agents take the routine; architecture, review and the tricky parts stay on me. Same quality, a fraction of the time.
You talk to the developer
No account managers and no telephone game — direct contact with the person writing the code.
Working code early
First deployable version in days, then iterations on real feedback instead of a spec nobody reads.

Stack

Web

TypeScript
Next.js
React
Node.js
PostgreSQL
Drizzle / Prisma
Tailwind CSS

Blockchain

Solidity
Foundry
Hardhat
viem / wagmi
Tact
FunC
TON Connect

AI

Claude / OpenAI API
Vercel AI SDK
RAG
pgvector
Coding agents

Infra

Docker
Vercel
CI/CD
Redis
Telegram Bot API

Contact

Have a project in mind?

Describe the idea in a couple of sentences — I'll tell you whether I'm the right fit, how long it takes and what it costs.

Write to @degoev