Przemek Sobstel

Przemek Sobstel

Software Developer in Poland


LEAN. Limit waste. Build quality in. Share knowledge. Defer commitment. Deliver fast. Respect people. See the whole. PRAGMATIC. Business value first, then software craftsmanship. Tendency towards simplicity. Less is more. 80/20. EXPERIENCED. Startups (Nabobil, Appjobs, Protipster) and big companies (Saxo Bank, Microsoft, Stats Perform). Multicultural work environments for 13yr+. Remote work for last 5yr+ (plus hybrid work 4y+ before).

#ruby #rails #react #js #ts #node #reactnative


Przemek: sh•eh•m•eh•k (

Work Experience

2020 — 2023

Award-winning trading platforms (SaxotraderGO, SaxoTraderPRO, SaxoInvestor, SaxoPartnerConnect). Over one million clients. Over one million lines-of-code monorepo split into hundreds of independent modules.

2018 — 2020

Norway’s largest peer-to-peer car sharing platform (, Regnumber service, Native Connect REST API).

2014 — 2018
Full Stack Developer at Baytekin

Flexible app-based jobs for gig workers (, API, CMS/admin panel). Betting information marketplace (, Tip of the Day iOS app).

2010 — 2014
Full Stack Developer at Stats Perform

The world's leading provider of digital sports content. Big high-traffic sports data apps. (one of the most popular football websites on the planet), multi-sport hosted platform (nearly 100 clients, inc. Microsoft, Yahoo, Opera, Fox Sports, Sky News, CONCACAF) and sports data API (Opta Core API).

Side Projects


Surreal tech adventure game for iOS and Android. Over 60k+ downloads. Built with React Native.


Football scores and tables mnmlst way. Built with Next.js, Ruby and AWS Lambda.


Argentina football national team archive. Built with Remix.


Order form for small local stores grounded by COVID-19 (managed from plain simple google spreadsheet).


Short-term memory training mobile game. Built with React Native and Redux.


2020 — 2023
Kraków-Częstochowa Upland

Help in organizing the trail running race