TechBiz Global GmbH
Senior Full-Stack Developer (React + React Native & TypeScript)
Job Description
Posted:
Job reference: ab49f1b aa9e3dc2569c680e69b
Job Title
Senior Full-Stack Developer
Location
Helsinki, Finland
Job information
Listing type: Basic
EU work permit required: No
What you’ll do
- Develop and maintain cross‑platform interfaces using React.
- Refactor and modernize components to improve speed, usability and accessibility.
- Use a diverse set of skills to improve and optimize the performance & design of our products & interfaces.
- Collaborate closely with a small, agile team.
- Take ownership of projects and features from concept to release.
- Drive architecture and code quality (patterns, refactoring, maintainability).
- Be ready to contribute quickly after a fair onboarding period.
- Improve performance & UX with measurable outcomes (Core Web Vitals, load times, responsiveness).