Freelance Full-Stack Web App Developer

Join the Tendem project as a freelance Full-Stack Web App Developer to design, build, and maintain interactive browser-based applications for real-world use cases. This part-time remote opportunity is ideal for professionals with hands-on experience in modern frontend frameworks, backend APIs, databases, and shipping interactive web products end-to-end.

What You Will Do

Build interactive web applications with frontend (React, Next.js, Vue, or similar) and a backend API (Python/FastAPI/Flask or Node/Express). Design and implement data models, schemas, and persistence layers using SQL (PostgreSQL, SQLite) or NoSQL stores.

Why It Might Be a Fit

Work fully remote on your own schedule with just a laptop and stable internet connection. Apply your expertise to real-world technology projects while gaining experience building high-quality solutions for a global platform.

Requirements

• At least 3 years of relevant experience in full-stack web development or shipping interactive web applications
• Bachelor's or Master's Degree in Computer Science, Engineering, Information Technology, or related technical fields
• Strong command of JavaScript/TypeScript and at least one modern frontend framework
• Solid backend experience in Python (FastAPI, Flask, Django) and/or Node.js (Express, NestJS)
• Hands-on experience with relational databases (PostgreSQL, MySQL, SQLite) and basic schema design
• Experience implementing REST APIs, request validation, error handling, and authentication flows
• Familiarity with deployment platforms (Vercel, Netlify, Render, Fly.io, Railway, or similar)
• Experience integrating LLM APIs or other AI services into product features
• Comfortable with version control (Git) and basic testing practices
• Portfolio of shipped web applications
• English proficiency: Upper-intermediate (B2) or above

Benefits

• Up to $60 per hour equivalent
• Performance-based bonus programs
• Flexible remote work schedule
• Opportunity to work on real-world technology projects
• Experience building high-quality solutions for a global platform