OLEG PROSKURIN

Senior Full-Stack Engineer & Tech Lead

Remote · GMT+7 (EMEA full overlap, US East AM) · Deel contractor, W-8BEN

usulpro@gmail.com · Telegram @usulpro · LinkedIn · GitHub · Dev.to · Blog

Summary

Senior Full-Stack Engineer and Tech Lead with 9+ years of production experience across Frontend, Backend, Serverless, Node.js, and Headless CMS / eCommerce platforms, including 5+ years leading remote projects for US, UK, EU, and AU clients. Built and operated at consumer scale on the Sanity-based Tipico US backend (75M+ requests/month). Currently Tech Lead on PrimeUI (primeui.com, launched Feb 2026): a multi-surface platform spanning Studio web app, public API, MCP server, CLI, and code-export pipeline. AI-augmented development is daily practice: Claude Code and Codex as primary tools, with personally-built agentic tooling layered on top.

Skills

Web & Full-Stack: TypeScript, Node.js, React, Next.js (App Router, SSR/SSG/ISR). TanStack Start/Router, Vite, Tailwind, shadcn-style design systems. Web performance and accessibility: Core Web Vitals, Lighthouse, WCAG

Data & Infrastructure: PostgreSQL, Drizzle ORM, Docker. GraphQL, WebSockets, REST APIs. Vercel, Cloudflare, Serverless & Edge functions

Headless CMS & eCommerce: Sanity, Storyblok, Contentful, Payload, Hygraph, DatoCMS. Shopify, Shopify Hydrogen, Crystallize, Stripe. Content modeling, multi-environment publishing, large-scale migrations

AI Engineering: LLM orchestration & guardrails: multi-model routing, context engineering, prompt caching, schema validation, retry recovery. MCP: custom server development; cross-host agent integration

Experience

PixelPoint Ltd. Tech Lead & Senior Full-Stack Engineer, PrimeUI
France · Remote Feb 2025 – Present

PrimeUI (primeui.com, launched Feb 2026) is a multi-surface platform for AI-assisted generation of production-ready websites, spanning Studio web app, public API, MCP server, CLI, and code-export pipeline. Lead developer, owning ~70% of platform architecture across all surfaces.

FocusReactive Tech Lead & Senior Software Engineer
London · Remote May 2019 – Feb 2025 (5 yrs 10 mos)

International web consultancy for clients in the US, UK, Europe, and Australia.

GitNation Senior Software Engineer (Part-time, concurrent)
Remote May 2019 – Feb 2025

Built publishing flow via Slack API and a reusable web framework for conference websites; migrated GitNation conferences to Headless CMS.

Osome Frontend Developer
Singapore Jun 2018 – May 2019

Built fuzzy-logic search system and advanced UI animations for the corporate-services platform.

Skipp JavaScript Engineer
Moscow Nov 2017 – Jun 2018

B2B marketplace for Skolkovo Innovation Center (100+ companies); GraphQL subscriptions for real-time chat.

Portfolio

PrimeUI, MarketFinance, Tipico-Platform, IWM membership, NotSoApp, CasinoReviews, VegasSlotsOnLine, Caleffy, Hadhat, Porchlight, Gitnation, FocusReactive blog, Skolkovo R&D Market, Reverse Health, Firsty

Open Source & Writing

Education

Master in Engineering, Faculty of Electronic Engineering, Moscow Power Engineering University (MPEI), Russia

Languages

English C1 · Russian native