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Freelance Full-Stack Developer (Interactive Web Products)

3 weeks, 5 days ago
United States
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 SQL SQLite Svelte TypeScript Vercel Vue.js
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Mindrift.ai: Be the “I” in AI

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Internet Software & Services
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Description

  • Build interactive web applications using modern frontend frameworks and backend APIs.
  • Design and implement data models, schemas, and persistence layers with SQL or NoSQL databases.
  • Implement authentication, sessions, and basic role-based access controls where needed.
  • Integrate third-party APIs and AI/LLM services into product features.
  • Manage state, user 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 clear, testable code and debug issues across the frontend, backend, and database.
  • Develop browser-based applications with real logic, persistence, and user interaction 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 foundation in full-stack web development, modern frontend frameworks, backend architecture, and end-to-end browser-based application development.
  • 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 frameworks such as FastAPI, Flask, or Django, and/or Node.js frameworks such as 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 Git and basic testing practices.
  • Portfolio of shipped web applications is required.
  • Upper-intermediate English proficiency (B2) or above is required.
  • Ability to work independently and ship complete features with strong attention to detail.

Benefits

  • Up to $60 per hour equivalent, depending on level and pace of contribution.
  • Fully remote work with the flexibility to work on your own schedule.
  • Estimated workload of around 10–20 hours per week during active project phases.
  • Performance-based bonus programs for high-quality work and consistent delivery.
  • Opportunity to work in a hybrid human-and-AI environment and gain experience with AI-assisted development.

Interested in this position?

Apply directly on the company website

Apply Now

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