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Posted Jun 13, 2026

[Remote] Senior Full-Stack Developer (AI-First)

Note: The job is a remote job and is open to candidates in USA. Remote CoWorker is seeking a Senior Full-Stack Developer who can build fast and leverage AI tooling to deliver production-grade applications. The role involves owning features end to end, from database to deployment, and requires a hands-on approach to both system architecture and coding. Responsibilities • Build and ship full-stack applications across the entire stack—front-end, back-end, database, and infrastructure • Develop modern, responsive UIs with React and MUI • Build robust back-end services and APIs with Node.js • Design and manage data and auth with Supabase, and deploy/scale with Vercel and AWS • Use Cursor and AI-assisted workflows to accelerate development without sacrificing quality • Integrate open-source AI models into products—evaluating, deploying, and optimizing them for real use cases • Solve ambiguous problems creatively and propose better approaches, not just execute tickets • Own technical decisions, architecture, and code quality as a senior member of the team Skills • Senior-level experience building and shipping full-stack applications • Strong front-end skills: React, MUI, modern component architecture • Strong back-end skills: Node.js, API design, server-side logic • Hands-on experience with Supabase (Postgres, auth, real-time) • Deployment and infrastructure experience with Vercel and AWS • Practical experience working with open-source AI models (deployment, integration, fine-tuning or prompting) • Fluency with AI-assisted development tools, especially Cursor • An out-of-the-box thinker who finds creative, efficient solutions • Self-directed, reliable, and able to own work end to end • Experience scaling applications in production • Familiarity with CI/CD pipelines and DevOps practices • Prior experience in a startup or fast-moving environment Company Overview • Remote CoWorker is a consulting firm that offers virtual assistance, tech support, data entry, and customer service to enhance businesses. It was founded in 2013, and is headquartered in St. Petersburg, Florida, USA, with a workforce of 1001-5000 employees. Its website is https://remotecoworker.com/.