Freelance Full-Stack Web App Developer
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Key skills for this role
About the Role
Mindrift seeks a freelance Full-Stack Web App Developer for the Tendem project. You will build interactive browser-based applications using JavaScript/TypeScript and Python or Node, collaborating with AI agents.
Key Skills for This Role
Responsibilities
- 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 or NoSQL stores
- Implement authentication, sessions, and basic role based access where needed
- Integrate third party APIs and AI/LLM services into product features
- Handle state management, user input validation, error states, and loading states cleanly
- Build standalone Python tools and scripts where required
- Evaluate AI generated full stack code and refactor it for correctness, security, performance, and maintainability
- Write clear, testable code and debug end to end issues across frontend, backend, and database
Requirements
- At least 3 years of relevant experience in full stack web development or shipping interactive web applications
- Strong command of JavaScript/TypeScript and at least one modern frontend framework (React, Next.js, Vue, Svelte, or similar)
- 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
- Portfolio of shipped web applications
- English proficiency: Upper intermediate (B2) or above
Full Job Posting
About the Role
- Mindrift is looking for skilled Full Stack Web App Developers (JavaScript/TypeScript + Python or Node) to join the Tendem project
- Build interactive browser based applications within a hybrid AI + human environment
- Collaborate with Tendem Agents that handle repetitive tasks, while you provide full stack engineering expertise
- Part time remote opportunity ideal for professionals with hands on experience in modern frontend frameworks, backend APIs, databases, and shipping interactive web products end to end
Key Responsibilities
- 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
- Implement authentication, sessions, and basic role based access where needed
- Integrate third party APIs and AI/LLM services (OpenAI, Anthropic, or similar) into product features
- Handle state management, user input validation, error states, and loading states cleanly
- Build standalone Python tools and scripts where required by the task
- Evaluate AI generated full stack code and refactor it for correctness, security, performance, and maintainability
- Write clear, testable code and debug end to end issues across frontend, backend, and database
Requirements
- At least 3 years of relevant experience in full stack web development or shipping interactive web applications (required)
- Bachelor's or Master's Degree in Computer Science, Engineering, Information Technology, or related technical fields is a plus
- Strong command of JavaScript/TypeScript and at least one modern frontend framework (React, Next.js, Vue, Svelte, or similar)
- 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 is a strong plus
- Comfortable with version control (Git) and basic testing practices
- Portfolio of shipped web applications (required)
- English proficiency: Upper intermediate (B2) or above (required)
Compensation
- Contributors can earn up to $60 per hour equivalent, depending on level and pace of contribution
- Compensation varies across projects depending on scope, complexity, and required expertise
Why this freelance opportunity might be a great fit for you?
- Work fully remote on your own schedule with just a laptop and stable internet connection
- Gain hands on experience in a unique hybrid environment where human expertise and AI agents collaborate seamlessly
- Participate in performance based bonus programs that reward high quality work and consistent delivery
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