Mindrift is looking for skilled Full-Stack Web App Developers (JavaScript/TypeScript + Python or Node)to join the Tendem project () and build interactive browser-based applications for real-world use cases.
In this role, you'll apply your full-stack engineering expertise to design, build, and maintain functional, robust, and user-friendly web applications. This part-time remote opportunity is idóneo for professionals with hands-on experience in modern frontend frameworks, backend APIs, databases, and shipping interactive web products end-to-end.

The Mindrift platform connects specialists with innovative technology projects. Our mission is to help develop high-quality AI technologies by combining real-world expertise from professionals across the globe with advanced AI development efforts.

This is a freelance role for a Tendem project. As a Full-Stack Web App Developer, you'll design, build, and refine browser-based applications with real logic, state, persistence, and user input — from habit trackers and budgeting tools to internal dashboards, mini-SaaS tools, and AI-powered apps.



You may also work on standalone Python applications and data-processing scripts that sit alongside or behind these products.

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.
Build standalone Python tools and scripts where required by the task (data processing, API clients, lightweight backend utilities).
Review, debug, optimize, and refactor full-stack applications to improve correctness, security, performance, and maintainability.
Write clear, testable code and debug end-to-end issues across frontend, backend, and database.

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 Comput

📌 Freelance Full-Stack Web App Developer (España)
🏢 Mindrift
📍 España