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Freelance Full-Stack Web App Developer

14 hours, 1 minute ago
United Kingdom, Austria, Belgium, Portugal, Germany, Ireland
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
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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
View All Jobs 313

Description

  • Build interactive web applications with a modern frontend framework and a backend API.
  • Design and implement data models, schemas, and persistence layers using SQL or NoSQL databases.
  • Implement authentication, sessions, and basic role-based access controls as needed.
  • Integrate third-party APIs and AI/LLM services into product features.
  • Handle state management, input validation, error states, and loading states cleanly.
  • Build standalone Python tools, scripts, and lightweight backend utilities when required.
  • Review AI-generated full-stack code and refactor it for correctness, security, performance, and maintainability.
  • Write testable code and debug issues across the frontend, backend, and database.
  • Collaborate in a hybrid environment where AI agents handle repetitive tasks and human expertise ensures quality control.

Requirements

  • At least 3 years of relevant experience in full-stack web development or shipping interactive web applications.
  • A portfolio of shipped web applications is required.
  • 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 (FastAPI, Flask, Django) and/or Node.js (Express, NestJS).
  • Hands-on experience with relational databases such as PostgreSQL, MySQL, or SQLite, plus 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 Git and basic testing practices.
  • English proficiency at Upper-intermediate (B2) or above is required.
  • Bachelor's or Master's degree in Computer Science, Engineering, Information Technology, or a related technical field is a plus.

Benefits

  • Work fully remote on your own schedule with just a laptop and stable internet connection.
  • Part-time freelance work with an estimated 10–20 hours per week during active phases.
  • Compensation up to $60 per hour equivalent, depending on level and pace of contribution.
  • Performance-based bonus programs for high-quality work and consistent delivery.
  • Hands-on experience in a hybrid environment combining human expertise with AI agents.

Interested in this position?

Apply directly on the company website

Apply Now

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