Senior Full-Stack Developer (Typescript / Next.js)

Overview We’re looking for a Senior Full-Stack Developer to lead new feature development and help shape our architecture as we scale. You’ll work primarily in Typescript, Next.js (App Router), and tRPC, building a performance application with React Server Components and a modern, end-to-end type-safe API. This role is ideal for someone who thrives in a startup environment, cares about developer experience, and has a passion for high-quality software. Responsibilities • Lead design and implementation of new features in our SaaS product. • Work across the stack: from database queries to API endpoints to UI/UX. • Write high-quality, type-safe, and maintainable code in Typescript. • Leverage modern React / Next.js patterns for performance and scalability. • Collaborate with product, stakeholders and other engineers to shape technical direction. • Mentor teammates and establish engineering best practices. • Contribute to CI/CD, testing, and performance monitoring. Requirements • Fluent in English, both written and spoken. • 5+ years of professional experience in full-stack or frontend development. • Strong proficiency in Typescript and modern React. • Hands-on experience with Next.js App Router (server components, layouts, streaming, caching). • Background in UI/UX design or working closely with designers. • Strong experience implementing complex, data-heavy views with Tailwind and component libraries (shadcn/ui, Mantine, etc). • Experience with tRPC or equivalent type-safe API frameworks. • Solid understanding of frontend performance, state management, and accessibility. • Experience working in SaaS products or startups. • Ability to design scalable systems and write clean, maintainable code. • Excellent communication skills and ability to work autonomously.