Full-stack Developer

Szymon
Długołęcki

I build full-stack web apps with TypeScript, with a focus on clean and maintainable code.

01 - About

Full-stack developer focused on modern web applications. Passionate about observability, error handling, type safety and effectful programming. Lately fascinated by Effect, Alchemy (IaC) and TanStack Start.

02 - Stack

My wheelhouse

TypeScript
React
TanStack
Effect
DrizzleORM
Tailwind
Alchemy
Cloudflare

Proficient with

Svelte
Node.js
PostgreSQL
Zod
Astro
Show all tools
Bun
Docker
Git
Linux
Biome
Vite
Vitest
pnpm

03 - Experience

Jan 25-Present

Full-Stack Engineer

Creative Clicks B.V.

Building e-commerce storefronts, checkout flows and interstitials, plus APIs, backends, third-party store integrations and internal dashboards.

Nov 23-Jan 25

Full-Stack Engineer

ALDO S.K.A.

Worked on an e-commerce application. Also built two static websites for ALDO subcontractors: naprawaturbo.pl and interhome.com.pl.

2021-2022

Freelance Developer

Fiverr

Built custom Discord bots for clients.

04 - Education

2024-Present

M.Eng. Computer Science

VIZJA University

Second-cycle engineering master's programme in computer science. Expected graduation in 2026.

2021-2024

B.A. Economics

Kozminski University

Three-year bachelor's programme in economics, completed in 2024.

05 - Contact

Open to full-time roles, part-time roles and focused freelance projects.