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Product Engineer and Frontend Architect — I build digital products end-to-end, from idea and UX to production-ready code. Strong focus on fintech and financial tools. I combine product thinking with deep engineering expertise in React, Next.js, TypeScript, and Node.js to ship products that actually solve user problems.
I help teams turn product ideas into working digital tools — from initial concept and UX through architecture and production-ready delivery. I'm usually brought in when a project needs someone who can own both the product logic and the technical execution.
Deep experience in modern frontend development and architecture. Complex React and Next.js applications of any scale — from greenfield products to large enterprise systems.
Strong backend experience with a focus on full-stack applications and clean service design. Regular work with Node.js services, background jobs, and predictable integrations.
Comfortable owning the full development lifecycle — from local setup to production deployments. Automation-first approach to CI/CD, testing, and environment management.
Comfortable working across the full product lifecycle — from hypothesis and UX to MVP launch and iteration. Hands-on experience building financial tools, data-driven interfaces, and AI-assisted workflows.
Browse My Recent
Enterprise Banking / Greenfield / Technical Leadership
Greenfield web banking platform for a large Eastern European commercial bank. I led frontend architecture, team setup, and engineering delivery for a mobile-first browser banking experience spanning onboarding, payments, transfers, and multi-currency operations.
Product & Full Stack Developer
Interactive calculator that compares 7 Polish treasury bond series against bank deposits over a custom investment horizon. Models macro scenarios (inflation, NBP rate, WIBOR), accounts for Belka tax & IKE exemption, early redemption fees, and multi-year rollovers — all in a single-page tool.
Full Stack Developer
Vocabulary learning app with spaced repetition algorithm (SM-2). Built as a Telegram Mini App with full offline demo mode. Features Italian vocabulary with verb conjugations, multiple exercise types, and progress tracking.
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