> Markdown version of [/jobs/ext/4696160-full-stack-developer-for-impactful-ctv-platform-react-node](https://www.wearedevelopers.com/jobs/ext/4696160-full-stack-developer-for-impactful-ctv-platform-react-node). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Full-Stack Developer for Impactful CTV Platform (React/Node) - **Company:** Titan OS - **Location:** Barcelona, Spain - **Contract:** Permanent contract - **Skills:** Continuous Integration, PostgreSQL, Node.Js, Object-Relational Mapping, Systems Integration, ReactJS, Backend, Playwright, JestJS - **Published:** November 13, 2026 - **Apply:** https://www.jobleads.com/es/job/full-stack-developer-for-impactful-ctv-platform-react-node--barcelona--e5c341d5bb7b77aa7d15f0405743ad99f ## About the Role Strong TS/React/Node skills and familiarity with modern web tooling are essential. Experience with Supabase Auth, Drizzle ORM, Vitest, Playwright, and CI/CD on Replit is ## Description Titan OS in Barcelona is seeking a passionate Full-Stack Developer to maintain and grow our online advertising platform built with React/Node.js and a PostgreSQL backend. You will work across the stack, implementing features, integrations, and authentication while ensuring reliability on a Replit-hosted production system. Strong TS/React/Node skills and familiarity with modern web tooling are essential. Experience with Supabase Auth, Drizzle ORM, Vitest, Playwright, and CI/CD on Replit is