Senior React / React Native Developer
First seen by Alion on Oct 4, 2026.
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.