Senior Full-Stack Developer
Core
Build and ship product features for a core D2C subscription product using a TypeScript monorepo (Next.js, Fastify, PostgreSQL, Cloudflare Workers).
Role type
Senior IC full-stack developer (Next.js/Node.js)
Builds
Product features for a D2C subscription product
Domain
Consumer tech / SaaS
Required skills
Next.js (App Router, Server Components), TypeScript, Node.js (Fastify/Express), PostgreSQL, REST API design, Headless CMS (Payload/Strapi), E2E testing (Cypress/Playwright), Unit/Integration testing (Vitest/Jest), CI/CD, Git flow, AI development tools
Preferred skills
Feature-Sliced Design architecture, Cloudflare Workers, TanStack Query, Zustand, React Hook Form + Zod, Tailwind CSS, shadcn/ui/MUI/HeroUI
Technologies
Next.js, Fastify, Payload CMS, PostgreSQL, Cloudflare Workers, Cypress, Playwright, Vitest, Jest, Tailwind CSS, TanStack Query, Zustand
Responsibilities
Build features across Next.js client and backend; Write code following Feature-Sliced Design conventions; Ship changes behind feature flags; Integrate third-party providers (billing, email, analytics); Write unit, integration, and e2e tests; Perform root-cause analysis for bugs; Optimize performance (rendering, caching, bundle size); Apply secure development practices; Break down and estimate tasks; Escalate architectural decisions to senior engineers
Seniority
Senior, hands-on IC
