LIFO Code
From: Poland
Location: Będzin
On Useme since 15 October 2026
About me
Powering your Vision. I build software, automate processes, and put AI to work for your business.
Nearly 20 years in engineering. Core services for bwin.com and eSKY, where latency = revenue. Real-time ESG compliance, asset surveillance. Now founder of LIFO Code.
What I do:
- high-load backends - .NET, NestJS - millions of transactions, no drama
- integrations - GDS APIs, payments, custom LLM agents - wired for security
- frontend clients keep - React, Next.js, Astro, TypeScript, MUI, Tailwind - dashboards, portals, no jank
- legacy rescue - I take messy code and make it maintainable
Stack: C# / .NET Core / Node.js / NestJS / Python / TypeScript / React / Next.js / Astro / MUI / Tailwind / Alpine.js / SQL / Postgres / Redis / Docker / Azure / AWS
Defining what's next. Delivering what's now.
Portfolio
Vtedy, my product by LIFO Code. Hosted task app: projects, tasks, priorities, tags. List-first, browser-based, runs on K3s. Stack: C#/.NET, React, MUI, Postgres, Redis, Docker.
LIFO Code, my software company. Custom dashboards, AI automation, SaaS, integrations and legacy modernization. Business value first. Stack: TypeScript, React, Next.js, C#/.NET, Python, Postgres, Docker, Azure/AWS.
Backend project at eSky. Core services for high-traffic travel platform where latency impacts revenue. High-load backends, integrations with GDS APIs and payments. Stack: C#, .NET, SQL.
Retail project at Diebold Nixdorf. Backoffice platform and mobile POS: inventory, sales, reporting, secure realtime transactions on the sales floor. Stack: C#, Web API, SQL (MS SQL), Angular.