Marek Mateja
Senior Software Engineer Tech Lead at u2i
Krakow, Lesser Poland Voivodeship
Summary
👤
Senior🎓
Top SchoolMarek Mateja is a Senior Software Engineer and Tech Lead with 11 years of experience building full-stack, data-intensive systems and large-scale integrations for US-based clients such as Nielsen and NYU Langone Health. He combines hands-on development and system design with leadership in bootstrapping projects, infrastructure, and delivery processes at u2i since 2015. His background spans Big Data pipelines, social media platform integrations, and optimization via Integer Linear Programming, giving him a rare blend of practical engineering and mathematical problem-solving. Based in Krakow, he prioritizes craftsmanship, trust, and clear communication while consistently turning complex requirements into pragmatic, high-quality solutions. An engineer who thrives in collaborative teams, he often bridges the gap between high-level planning and day-to-day coding to keep projects moving.
11 years of coding experience
3 years of employment as a software developer
Magister inżynier (Mgr inż.) Informatyka, Magister inżynier (Mgr inż.) Informatyka at AGH University of Krakow
Polish, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (30)
admin-on-rest10
graphql-api10
admin10
single-page-application10
material-ui10
rest10
graphql10
frontend10
react10
react-admin10
typescript9
aws9
big-data-analytics9
material-design8
ruby8
Programming languages (5)
Github contributions (5)
u2i/nine_one_one
Nov 2016 - Aug 2018
Common notification logic for PagerDuty/Slack notifications.
Contributions:13 commits, 3 PRs, 13 pushes in 1 year 9 months
pagerdutyslack-notificationsslackruby-gemnotifications
u2i/egis
Mar 2020 - Jul 2020
Egis - a handy Ruby interface for AWS Athena
Contributions:11 reviews, 135 commits, 4 PRs in 3 months
athenaawsrubyaws-athenaruby-gem
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