Fullstack Developer

Requirements

• 3+ years building production web apps with TypeScript
• Backend: Node.js with NestJS (or Express with willingness to move to NestJS)
• Frontend: Next.js and React
• PostgreSQL, with Prisma or TypeORM
• Background jobs and scheduling: BullMQ, Redis, cron workers
• Proven experience integrating third party APIs: OAuth flows, webhooks, token refresh, rate limits
• Strong hands-on CSS for mobile: responsive layout, sticky and fixed positioning, keyboard and viewport behavior on iOS. Not only component libraries
• Comfortable working with AI coding tools and agents as part of the daily workflow
• Git, code review, and writing code someone else can maintain

Nice to have

• Multi tenant SaaS with row level permissions
• Wrapping a web app for mobile with Capacitor or React Native
• Advertising or messaging platform APIs
• RTL interface experience

Responsibilities

• Maintain and improve our existing online products
• Build new web systems and applications from scratch
• Use AI tools and agents to work faster, while staying fully responsible for the quality of what ships
• Integrate external services through APIs and webhooks
• Bring the mobile experience to production quality across every screen
• Own performance, security and stability in production

Work conditions

• Remote, flexible hours, with a few hours of overlap with Israel time
• Full time or a fixed monthly retainer, depending on the candidate
• Direct work with the founder, short decision cycles, no layers
• Existing codebase, with a detailed spec to work from
• Long term engagement