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Freelance Full-Stack Web App Developer

2 days, 13 hours ago
United Kingdom, Austria, Belgium, Germany, Ireland, Portugal
Freelance
Mid Level
Full-stack Engineer
Software Development
Django Express.js FastAPI Flask Fly.io Git JavaScript MySQL NestJS Netlify Next.js Node.js PostgreSQL Python Railway React Render REST API SQLite Svelte TypeScript Vercel Vue.js
Apply Now
Mindrift.ai: Be the “I” in AI

Mindrift.ai: Be the “I” in AI

Join 10,000+ experts earning $15-50/hr training AI models remotely. Flexible freelance work, weekly payments. No AI experience required. Apply in 5 minutes.

Internet Software & Services
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Description

  • Build interactive web applications using a modern frontend framework and a backend API.
  • Design and implement data models, schemas, and persistence layers with SQL or NoSQL databases.
  • 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 for data processing, API clients, and lightweight backend utilities.
  • 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 the frontend, backend, and database.
  • Design, build, and refine browser-based applications with real logic, persistence, and user input.
  • Work independently to architect and ship complete features from end to end.

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 a related technical field is a plus.
  • Strong command of JavaScript/TypeScript and at least one modern frontend framework such as React, Next.js, Vue, or Svelte.
  • Solid backend experience in Python with FastAPI, Flask, or Django, and/or Node.js with Express or NestJS.
  • Hands-on experience with relational databases such as PostgreSQL, MySQL, or SQLite, including basic schema design.
  • Experience implementing REST APIs, request validation, error handling, and authentication flows.
  • Familiarity with deployment platforms such as Vercel, Netlify, Render, Fly.io, or Railway.
  • Experience integrating LLM APIs or other AI services into product features is a strong plus.
  • Comfort with version control using Git and basic testing practices.
  • Strong problem-solving skills, attention to detail, and the ability to independently architect and ship complete features.
  • A portfolio of shipped web applications.
  • English proficiency at Upper-intermediate (B2) level or above.
  • Availability for around 10–20 hours per week during active project phases.

Benefits

  • Work fully remote on your own schedule with just a laptop and stable internet connection.
  • Compensation of up to $60 per hour equivalent, depending on level and pace of contribution.
  • Performance-based bonus programs that reward high-quality work and consistent delivery.
  • Hands-on experience in a hybrid environment where human experts collaborate with AI agents.
  • Opportunity to work on a freelance project with varying compensation based on scope and expertise.

Interested in this position?

Apply directly on the company website

Apply Now

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