[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/.

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