Python, TypeScript, Next.js Developer

Part-Time Full Stack Developer (Next.js, Python & AI) – 15 Hours/Week We are looking for an experienced Full Stack Developer to support an existing AI-powered SaaS platform. Initially, the focus will be on QA, testing, debugging, and bug fixing, followed by developing new features and improving AI functionality. Requirements: • Strong experience with Next.js, React, TypeScript (frontend and backend). • Python experience, particularly AI/LLM integrations and workflows. • Experience with PostgreSQL, APIs, and cloud-based applications. • Strong QA/testing skills, preferably Playwright or similar tools. • Proficiency with AI coding tools such as Claude Code, Cursor, or Copilot. • Ability to work independently, understand existing code, and deliver clean, tested solutions. Engagement: • 15 hours per week, long-term. • Must have good communication skills. • Individual freelancers ONLY. No agencies or development companies. • All communication must remain on Upwork. Do not contact us outside Upwork. Please share your relevant experience with Next.js, Python, AI development, and testing.