Jan Mikołajczak
Software Engineer at 360 Code Lab
Warsaw, Masovian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolJan Mikołajczak is a software engineer with nine years of experience building web applications and services, combining a First Class MSc in Mathematics and Computer Science from Oxford with hands-on roles from backend development to technical leadership. He has shipped production systems at scale—spanning microservice architectures, large integrations, and core feature design—and currently contributes as a Software Engineer at Google while maintaining senior backend responsibilities at 360 Code Lab. Jan enjoys owning the full lifecycle of services, pairing creative problem solving with rigorous engineering and a keen eye for quality. He also brings entrepreneurial and operational experience from co-founding a niche sports equipment business and from running large student organisations, which sharpened his logistics, event management and team leadership skills. Notably, his background blends deep technical breadth with client-facing leadership, making him comfortable translating complex requirements into reliable, production-ready solutions.
9 years of coding experience
6 years of employment as a software developer
Master of Science (MSc), Mathematics and Computer Science, First class, Master of Science (MSc), Mathematics and Computer Science, First class at Oxford UniversityIB Diploma, 40 points, IB Diploma, 40 points at Pechersk School International
Polish, English, Russian
Github Skills (58)
kotlin10
angular10
async9
rails9
material-design9
composer9
coroutines9
kotlin-library9
infrastructure9
php8
kotlin-multiplatform8
factor-authentication8
dependency-manager8
kotlin-coroutines8
factor7
Programming languages (11)
Github contributions (5)
jasiekmiko/snippets
Feb 2021 - Apr 2021
Contributions:12 pushes, 1 branch in 2 months
jasiekmiko/adventofcode
Feb 2021 - Mar 2021
Contributions:11 pushes, 1 branch in 1 month
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