Miłosz Frejnik
Senior Software Engineer at Volue Data & Forecasts
Berlin, Germany
Summary
👤
Senior🎓
Top SchoolMiłosz Frejnik is a Senior Frontend Developer with 11 years of experience building full-stack web applications, currently leading frontend work at Insight by Volue from Berlin. He specializes in React-driven SPAs and component libraries, with a strong background integrating frontend stacks into Ruby on Rails backends and shipping production-grade features across analytics, CMS and SaaS products. His career spans agency work to fast-moving startups, where he has repeatedly driven UX-first, component-driven development and rebuilt legacy frontends into modern, test-covered interfaces. Notably, he has architected separate frontend infrastructures and UI libraries at Akelius and led greenfield product frontend decisions in small teams, combining hands-on coding with design and UX leadership.
11 years of coding experience
14 years of employment as a software developer
Engineer, Computer Graphics, Engineer, Computer Graphics at The University of Computer Sciences and Skills in Bydgoszcz, PolandBachelor’s Degree, Athletic Training/Trainer in Rowing discipline, Physical Education Teacher, Bachelor’s Degree, Athletic Training/Trainer in Rowing discipline, Physical Education Teacher at University of Physical Education and Sport in Gdańsk, Poland
English, Polish
Stackoverflow
148reputation
7kreached
1answer
1question
Github Skills (145)
mswjs10
csrf10
authentication10
material-ui10
date-fns10
auth10
nuxt-auth10
javascript10
react-components10
async10
solidjs10
browser10
validation10
devtools10
service-worker10
Programming languages (9)
Github contributions (5)
mifrej/VanillaJS
Oct 2018 - Oct 2019
Created with CodeSandbox
Contributions:44 commits, 5 PRs, 13 pushes in 1 year
reactjavascriptcodesandboxreactjstypescript
mifrej/mifrej
Jan 2019 - Aug 2020
Portfolio
Contributions:42 commits, 28 pushes, 4 branches in 1 year 7 months
cssjavascriptreact
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