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Hi, I'm Jan, a frontend engineer with 7+ years of experience building scalable web applications. I specialize in React, Next.js, and TypeScript, and I’m passionate about performance, accessibility, and clean, maintainable code. I’ve shipped products for startups and software houses, collaborating closely with product and design teams to deliver intuitive UI/UX, robust tests, and polished interfaces. I enjoy solving complex UI problems and mentoring others.…Hi, I'm Jan, a frontend engineer with 7+ years of experience building scalable web applications. I specialize in React, Next.js, and TypeScript, and I’m passionate about performance, accessibility, and clean, maintainable code. I’ve shipped products for startups and software houses, collaborating closely with product and design teams to deliver intuitive UI/UX, robust tests, and polished interfaces. I enjoy solving complex UI problems and mentoring others.

Jan Wyrwinski

Front-End Developer, Web Developer, UI Designer, +2

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Hi, I'm Jan, a frontend engineer with 7+ years of experience building scalable web applications. I specialize in React, Next.js, and TypeScript, and I’m passionate about performance, accessibility, and clean, maintainable code. I’ve shipped products for startups and software houses, collaborating closely with product and design teams to deliver intuitive UI/UX, robust tests, and polished interfaces. I enjoy solving complex UI problems and mentoring others.…Hi, I'm Jan, a frontend engineer with 7+ years of experience building scalable web applications. I specialize in React, Next.js, and TypeScript, and I’m passionate about performance, accessibility, and clean, maintainable code. I’ve shipped products for startups and software houses, collaborating closely with product and design teams to deliver intuitive UI/UX, robust tests, and polished interfaces. I enjoy solving complex UI problems and mentoring others.

Available to hire

Hi, I’m Jan, a frontend engineer with 7+ years of experience building scalable web applications. I specialize in React, Next.js, and TypeScript, and I’m passionate about performance, accessibility, and clean, maintainable code.

I’ve shipped products for startups and software houses, collaborating closely with product and design teams to deliver intuitive UI/UX, robust tests, and polished interfaces. I enjoy solving complex UI problems and mentoring others.

Skills

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Work Experience

Frontend Developer at SalesPlayX

July 2, 2025 - July 2, 2025

Developed new views and dashboards, implementing UI/UX improvements. Implemented real-time updates with Prisma and tRPC. Collaborated with product owner to tailor features for customer needs and worked with UI designers to translate designs into functional UI.

Frontend Developer at STX Next

July 2, 2024 - July 2, 2024

Delivered end-to-end development services; Maintained and developed digital asset management for an enterprise client; Refactored a legacy application with a purchase-and-payment form, introduced new technologies, resolved issues, and improved performance; Contributed to an internal time-logger project; Built a responsive landing page for a SaaS client; Wrote automated, unit, and end-to-end tests.

Frontend Developer & Industry Consultant at No Spoilers

November 2, 2020 - November 2, 2020

Foodtech startup creating inventory management software for hospitality businesses. Delivered multiple new features, improved usability and customer engagement. Designed and implemented UI/UX improvements. Implemented frontend requests, working with a complex database. Assisted in road mapping using industry experience.

Frontend Developer at SalesPlayX

August 1, 2024 - July 1, 2025

Remote AI startup building software to help sales reps close strategic deals. Implemented new views and dashboards with UI/UX improvements; integrated Prisma and tRPC for real-time updates; collaborated with product owner to align features with customer needs.

Frontend Developer at STX Next

March 1, 2021 - July 1, 2024

Remote work for Europe’s largest Python-focused software house. Maintained and modernized a legacy application featuring a purchase-and-payment form; introduced new technologies, resolved issues, and improved performance. Collaborated with UI designers and contributed to internal tooling, including a time-logging project.

Frontend Developer at No Spoilers

August 1, 2017 - November 1, 2020

Freelance frontend development for a foodtech startup creating inventory management software for hospitality businesses. Delivered multiple new features, improved usability and customer engagement; designed and implemented UI/UX improvements; implemented frontend requests and worked with a complex database; assisted in road mapping using industry experience.