Mariusz Beltowski
Software Development Consultant Founder at DoNotCode
Krakow, Lesser Poland Voivodeship
Summary
👤
Senior🎓
Top SchoolMariusz Beltowski is a software development consultant and founder with 11 years of experience building high-throughput, production-grade web applications and web3 platforms. A Jagiellonian University computer science master and postgraduate-trained IT manager, he has designed and launched two products that serve millions of users and sustain thousands of requests per second. He leads DoNotCode delivering remote engineering for US clients, and brings hands-on expertise in Node.js, Nest.js and React while advising web3 startups like MemeFi. Known as a clean-code evangelist with an “everything is possible” mindset, he combines technical leadership roles across scale-ups with day-to-day engineering—often owning both architecture and implementation. Based in Krakow, he pairs deep engineering rigor with product-minded execution in NFT and loyalty platforms.
11 years of coding experience
8 years of employment as a software developer
Master's degree, Computer Science, Master's degree, Computer Science at Jagiellonian UniversityPostgraduate Degree, IT Business Management, Postgraduate Degree, IT Business Management at AGH University of Krakow
English, German, Polish
Stackoverflow
998reputation
57kreached
27answers
5questions
Github Skills (134)
voice10
sdk10
javascript9
audio9
database9
queue9
postgresql9
prefix9
spec9
mysql9
shim9
typescript9
opentracing9
sqlite9
webrtc9
Programming languages (10)
Github contributions (5)
mariuszbeltowski/leetcode
May 2019 - Apr 2022
Contributions:6 pushes, 1 branch in 2 years 11 months
mariuszbeltowski/ramp-instant-sdk
Aug 2021 - Apr 2022
TypeScript SDK for Ramp Instant
Contributions:1 push, 2 branches in 8 months
javascriptrampsdktypescript-sdktypescript
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