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Freelance Full-Stack Web App Developer

Mindriftā€¢šŸŒ Remote Worldwide•Estimated: $80,000 - $120,000

✨ AI Insights & Summary

Mindrift is redefining web application development through its innovative hybrid AI + human model, offering a unique freelance opportunity for Full-Stack Developers. This role on the Tendem project is perfect for seasoned developers who can bridge the gap between AI-generated code and production-ready applications. If you're adept at building interactive web apps end-to-end, from frontend to backend and database, and thrive in a remote, flexible environment, this is your chance to hone your skills in a rapidly evolving field while earning competitive compensation.

Full-Stack Web App Developer (AI Pilot) - Tendem Project

Mindrift is seeking skilled Full-Stack Web App Developers proficient in JavaScript/TypeScript and Python or Node.js to join the innovative Tendem project. As an AI Pilot, you will collaborate with AI agents and human specialists to build interactive browser-based applications within a hybrid AI + human environment.

About Mindrift

The Mindrift platform connects specialists with AI projects from major tech innovators. Our mission is to unlock the potential of Generative AI by tapping into real-world expertise from across the globe.

About the Role

This is a freelance, part-time remote role for a Tendem project. You will be responsible for designing, building, and refining browser-based applications with complex logic, state management, persistence, and user input. This includes developing habit trackers, budgeting tools, internal dashboards, mini-SaaS products, and AI-powered applications. You may also develop standalone Python applications and data-processing scripts.

Key Responsibilities

  • Develop interactive web applications using modern frontend frameworks (e.g., React, Next.js, Vue) and backend APIs (e.g., Python/FastAPI/Flask or Node/Express).
  • Design and implement data models, schemas, and persistence layers using SQL (e.g., PostgreSQL, SQLite) or NoSQL databases.
  • Implement authentication, session management, and basic role-based access control.
  • Integrate third-party APIs and AI/LLM services (e.g., OpenAI, Anthropic) into product features.
  • Manage application state, user input validation, and error handling effectively.
  • Build standalone Python tools and scripts for data processing, API clients, or backend utilities as needed.
  • Evaluate AI-generated full-stack code, refactoring for correctness, security, performance, and maintainability.
  • Write clear, testable code and debug end-to-end issues across frontend, backend, and database layers.

Requirements

  • Required: A minimum of 3 years of relevant experience in full-stack web development or shipping interactive web applications.
  • Required: A portfolio of shipped web applications.
  • Required: Upper-intermediate (B2) or above English proficiency.
  • A Bachelor's or Master's Degree in Computer Science, Engineering, Information Technology, or a related technical field is a plus.
  • Strong foundation in full-stack web development, modern frontend frameworks, backend architecture, and end-to-end application development.
  • Proficiency in JavaScript/TypeScript and at least one modern frontend framework (e.g., React, Next.js, Vue, Svelte).
  • Solid backend experience in Python (e.g., FastAPI, Flask, Django) and/or Node.js (e.g., Express, NestJS).
  • Hands-on experience with relational databases (e.g., PostgreSQL, MySQL, SQLite) and basic schema design.
  • Experience implementing REST APIs, request validation, error handling, and authentication flows.
  • Familiarity with deployment platforms (e.g., Vercel, Netlify, Render, Fly.io, Railway).
  • Experience integrating LLM APIs or other AI services is a strong plus.
  • Comfortable with version control (Git) and basic testing practices.
  • Strong attention to detail and a commitment to building robust, functional products.
  • A self-directed work ethic with the ability to architect, build, and ship features independently.

Project Details

  • Estimated Workload: 10–20 hours per week during active project phases.
  • Compensation: Up to $60 per hour equivalent, based on experience and contribution level.

Why This Opportunity?

  • Fully Remote: Work on your own schedule from anywhere with a laptop and internet connection.
  • Unique Experience: Gain hands-on experience in a cutting-edge hybrid AI + human collaboration environment.
  • Performance Rewards: Participate in bonus programs that recognize high-quality work and consistent delivery.

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Job Overview

Posted6/21/2026
CategoryFullstack Development
SourceJobsCollider

FAQ

Is this position remote?

The Freelance Full-Stack Web App Developer role is a hybrid opportunity. The location specified is Remote Worldwide.

What is the salary?

The salary is not explicitly stated, but is competitive and based on experience.

How do I apply?

You can apply by clicking the "Apply for this role" button above to submit your application on the hiring website.

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