Paweł Jędrzejczyk is a Lead JavaScript Engineer based in Gdańsk with two decades in software and 12 years focused on professional front-end engineering, particularly React and React Native. He drives engineering outcomes by modernizing legacy stacks—migrating sites to Gatsby/React, introducing TypeScript across codebases, and building internal npm packages and a Storybook-powered design system to speed development and reduce bugs. At X-Team he designed an A/B testing platform integrating Sanity CMS and Amplitude that measurably improved revenue and churn, and earlier work includes scalable real-time features for apps with over a million users. A longtime freelancer and interviewer/mentor who’s built onboarding and growth checklists, he blends hands-on coding with developer coaching and process improvements. Less obvious: he pairs product-minded engineering with ops skills (Docker/Vagrant environments) enabling smoother project setup and cross-discipline collaboration.
12 years of coding experience
5 years of employment as a software developer
IT technician, Information Technology, IT technician, Information Technology at Zespół Szkół Łączności w Gdańsku (High School Centre of Communication and Technology in Gdansk)
Computer Science, Computer Science at Polish-Japanese Institute of Information Technology
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Paweł Jędrzejczyk - Lead Javascript Engineer at Paweljedrzejczyk.com