Karol Baczewski
Frontend Developer at NatWest Markets Plc
London, England, United Kingdom
Summary
👤
SeniorKarol Baczewski is a Frontend Developer based in London with 11 years of hands-on experience building user-facing web applications across finance, research, gaming, and hardware R&D. Currently at NatWest Markets, he blends full-stack sensibilities with a strong front-end focus honed at Mendeley, Gamesys and Samsung, delivering responsive, maintainable interfaces for complex domains. A long-time web enthusiast, open-source fan and Linux user, he pairs practical engineering with curiosity—recently exploring Rust to broaden his systems-level toolkit. His background spans startups and large enterprises, giving him a pragmatic approach to shipping features that balance user experience and technical constraints. Known for steady cross-functional collaboration, he brings both production discipline and a penchant for learning new technologies.
11 years of coding experience
7 years of employment as a software developer
English, Polish
Github Skills (19)
devops9
automation9
infrastructure9
chef-infra8
gulp-plugin7
simulation6
zepto5
jquery5
multiplayer5
javascript4
html4
testing3
openfin3
nodejs3
test-runner2
Programming languages (5)
Github contributions (5)
braxnu/git-squash-play
Feb 2020 - Feb 2023
Contributions:2 PRs, 3 pushes, 2 branches in 2 years 11 months
braxnu/vineverse
Sep 2017 - Mar 2021
Multiplayer web-based economic simulation game
Contributions:8 reviews, 85 commits, 19 PRs in 3 years 6 months
multiplayersimulation
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.