Freelance Full-Stack Web App Developer

Mindrift is a platform connecting specialists with innovative technology projects to develop high-quality AI technologies by combining real-world expertise with advanced AI development.

• At least 3 years of 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 is a plus.
• Strong command of JavaScript/TypeScript and at least one modern frontend framework (React, Next.js, Vue, Svelte).
• Solid backend experience in Python (FastAPI, Flask, Django) and/or Node.js (Express, NestJS).
• Hands-on experience with relational databases such as PostgreSQL, MySQL, SQLite and 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 is a strong plus.
• Comfortable with version control using Git and basic testing practices.
• Strong attention to detail and commitment to building robust production-ready products.
• Self-directed work ethic and ability to independently architect, build, and ship features.
• Portfolio of shipped web applications is required.
• English proficiency: Upper-intermediate (B2) or above.

• Build interactive web applications with frontend frameworks such as React, Next.js, Vue, or similar and backend APIs using Python (FastAPI, Flask) or Node.js (Express).
• Design and implement data models and persistence layers with SQL (PostgreSQL, SQLite) or NoSQL databases.
• Implement authentication, sessions, and role-based access controls.
• Integrate third-party APIs and AI/LLM services like OpenAI and Anthropic.
• Manage state, validate user input, and handle error and loading states.
• Develop standalone Python tools and scripts for data processing and backend utilities.
• Review, debug, optimize, and refactor full-stack applications for correctness, security, performance, and maintainability.
• Write clear, testable code and debug issues across frontend, backend, and database layers.