We're looking for a Senior React / React Native Developer with strong TypeScript experience to join a long-term project for a US-based B2B SaaS product in the workforce health and injury-prevention domain.

The product is used by large enterprise organizations and combines expert training content, guided programs, and data analytics across web and mobile. You'll be deeply integrated into a small product-focused engineering team, with real ownership over the frontend and mobile app.

Important: the team is based in the US, so this role requires at least 4 hours of daily overlap with Pacific Time, ideally in their morning (approx. until 21:00–22:00 Kyiv time). What you'll work with Our core stack includes: React / Next.js React Native TypeScript AWS (S3, CloudFront) and GitHub Actions

The wider environment also includes Tailwind CSS, Radix UI, Storybook, and Playwright. What you'll do Design, build, and ship features in the React web application and shared component library Develop and maintain the React Native mobile app, including App Store / Google Play releases Own frontend build, deployment, and release processes using GitHub Actions and AWS Maintain authentication and account flows, including SSO integrations Review code and help maintain a high bar for quality, accessibility, and performance Collaborate with backend engineers on API design and propose technical approaches Write clear technical documentation and communicate progress, risks, and tradeoffs What we're looking for 5+ years of commercial software development in production, enterprise, or B2B environments Strong React and TypeScript skills Commercial experience with React Native, including app store releases Practical experience with AWS and CI/CD (GitHub Actions or equivalent) Experience with Next.js or another SSR React framework Experience working with a component library or design system Ability to own features end to end, from requirements to production support Daily use of AI-assisted development tools English B2+ for direct daily communication with a US team

Experience with Tailwind CSS, Radix UI, Storybook, Playwright, Node.js or SQL will be a plus, but is not required.

What we offer Long-term cooperation on an established product Competitive compensation for a Senior-level position Direct communication with an international product team Full-time workload Fully remote, hybrid or office-based work Medical insurance Professional development and education reimbursement Support from the Quintagroup engineering team Interested?

If you have solid commercial experience with React, React Native and TypeScript, are comfortable with the US time overlap, and want a long-term product role with real ownership, we'd be happy to talk.

In your application, please briefly mention a React Native app you released to the App Store or Google Play and your role in it.