JK

Justyna Kwaśniak

Available to hire

Hi there! I’m Justyna Kwaśniak, a front-end developer with hands-on experience in building responsive web and mobile interfaces using React, TypeScript, and React Native.

About

Hi there! I’m Justyna Kwaśniak, a front-end developer with hands-on experience in building responsive web and mobile interfaces using React, TypeScript, and React Native. I enjoy turning ideas into clean, user-centered applications and I combine a background in Journalism with modern development skills to craft accessible, engaging digital products.

I’m driven by teamwork, problem-solving, and continuous learning. I love collaborating on open-source projects and contributing to products that people actually enjoy using, while continuously refining my craft and growing with the team.

  • 6 years' experience
  • Joined December 2025

Languages

  • PolishFluent
  • EnglishAdvanced

Industry experience

  • Software & Internet
  • Media & Entertainment
  • Healthcare
  • Professional Services
  • Education

Work experience· 8 roles

Open-Source Contributor - Front-End · Open-Source ProjectsNov 2025 – Present · 1 yr 1 mo

Working on real-world React/TypeScript codebases: refactoring components, improving UI consistency, fixing bugs, and submitting PRs. Gained experience with Git workflow, reviews, and collaboration in distributed teams.

Open-Source Contributor - Front-End · Self-Employed / Open-Source CommunityNov 2025 – Present · 1 yr 1 mo

Refactoring components, improving UI consistency, fixing bugs, and submitting pull requests across real-world React/TypeScript codebases. Gained experience with Git workflows, code reviews, and collaboration in distributed teams.

Front-End Development Intern · Finer CreditJul 2025 – Aug 2025 · 2 mos

Contributed to frontend development tasks, built UI components, implemented features using React and TypeScript, and collaborated with the team to ensure UI consistency and usability.

Intern Front-End Developer · Finer CreditMay 2025 – May 2025 · 1 mo
Internship Student · Sysmo.plMay 2025 – May 2025 · 1 mo
Junior Front-End Developer · jkwasniak.plAug 2024 – Present · 2 yrs 4 mos
Senior Patient Coordinator · Voxel, KrakówJan 2020 – Present · 6 yrs 11 mos
Senior Patient Coordinator · VoxelJan 2020 – Present · 6 yrs 11 mos

Education

Bachelor's degree in Journalism and Social Communication · Maria Curie-Skłodowska University, Lublin2012 – 2015
Bachelor's Degree in Journalism and Social Communication · Maria Curie-Skłodowska University, Lublin2012 – 2015
Frontend Developer - Software Development Academy · Frontend Developer Software Development Academy2020
Frontend Developer - Software Development Academy · Frontend Developer Software Development Academy2024

Certifications and awards

Frontend Development Certification (Software Development Academy)2020
Frontend Development Certification (Software Development Academy)2024

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