Oskar Wojciski
Software Engineer at CAST AI
Greater Poland Voivodeship
Summary
👤
Senior🎓
Top SchoolOskar Wojciski is a software engineer and founder with over a decade building high-performance, cloud-native systems and leading cross-functional teams across Europe. He specializes in microservices and Go development, with hands-on experience designing low-latency, highly available backends for millions of users using AWS, PostgreSQL, Redis, and modern observability stacks. Oskar has led teams at OLX and Nordcloud/IBM and now contributes at CAST AI while running his own consultancy, choosing tech pragmatically to meet requirements rather than sticking to a single language. Known for operational rigor in production environments and a background in mechatronics, he brings a systems-minded approach that blends engineering depth with team leadership. Outside of work he’s a travel enthusiast and guitar player, which often fuels his creative problem-solving.
11 years of coding experience
14 years of employment as a software developer
Master's degree Mechatronics Robotics and Automation Engineering, Master's degree Mechatronics Robotics and Automation Engineering at Poznan University of Technology
English, Russian, Polish
Github Skills (131)
coingecko10
embedded10
cpp10
lru10
sql10
golang10
database10
ttl10
sorting10
headers10
indexing10
utility10
memcached10
bleve10
scanning10
Programming languages (8)
Github contributions (5)
greywizard/go-cache
Jul 2017 - May 2019
An in-memory key:value store/cache (similar to Memcached) library for Go, suitable for single-machine applications.
Contributions:6 PRs, 2 pushes, 2 branches in 1 year 10 months
golangmemorygo-packagelrusimilar
nordcloud/addlicense
Feb 2021 - Aug 2021
A program which ensures source code files have copyright license headers by scanning directory patterns recursively
Contributions:1 release, 4 reviews, 4 PRs in 5 months
url-parserrecursivelymagic-numbersexemethodology
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