Full-Stack TypeScript Developer – Next.js, React Native & Expo en Crossbridge

Remote | Part-Time | 1-Year Contractor Engagement | English Required

We are looking for a proactive Full-Stack TypeScript Developer to deliver and maintain production features across web and mobile applications. You will work independently from detailed tickets in an async-first environment and collaborate directly with the Technical Lead.

• Develop production features for web and mobile applications.
• Maintain and improve an existing TypeScript codebase.
• Build with Next.js, React Native, and Expo.
• Develop APIs, integrations, and relational data models.
• Troubleshoot bugs and production issues across the stack.
• Create responsive, polished user interfaces.
• Complete clearly documented tickets managed through Linear.
• Submit clean, documented GitHub pull requests.
• Address code-review feedback and prepare work for production.
• Communicate progress, questions, and blockers proactively through Slack.
• Participate in a short weekly alignment call.
• Use AI-assisted development tools responsibly and validate all generated code.

• Approximately 3–5 years of professional experience delivering production TypeScript and React applications.
• Strong hands-on experience with Next.js.
• Experience with the App Router and React Server Components.
• Production experience with React Native and Expo.
• Full-stack experience with APIs, integrations, relational data modeling, and database operations.
• Experience with Prisma and PostgreSQL.
• Ability to build responsive and polished user interfaces.
• Experience with GitHub pull requests and code reviews.
• Professional experience with Claude Code, Cursor, or similar AI coding tools.
• Strong written English communication skills.
• Ability to work independently in a remote, asynchronous environment.
• Proactive approach to communicating questions, assumptions, and blockers.

TypeScript, Next.js, App Router, React Server Components, React Native, Expo, Tailwind CSS, shadcn/ui, oRPC, Prisma, PostgreSQL, pnpm, Turborepo, Vercel, GitHub, Linear, Slack, and Claude Code.

• Expo EAS builds and mobile app-store release experience.
• Familiarity with Better Auth.
• Experience with Trigger.dev or similar background-job tools.
• Experience with membership, event, booking, or payment platforms.
• Interest in golf or community-based sports platforms.