RemoteLeaf Logo
Log in Sign up

Freelance Full-Stack Web App Developer

1 day ago
Mexico, Argentina, Brazil, Chile, Peru, Colombia
Freelance
Junior
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
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
View All Jobs 276

Description

  • Build interactive web applications with modern frontend frameworks and backend APIs.
  • Design and implement data models, schemas, and persistence layers using SQL or NoSQL databases.
  • Implement authentication, sessions, and basic role-based access controls.
  • Integrate third-party APIs and AI/LLM services into product features.
  • Manage state, user input validation, error states, and loading states.
  • Build standalone Python tools and scripts for data processing and backend utilities.
  • Evaluate 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.

Requirements

  • At least 3 years of relevant experience in full-stack web development or shipping interactive web applications.
  • Portfolio of shipped web applications is required.
  • 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 (FastAPI, Flask, Django) and/or Node.js (Express, NestJS).
  • Hands-on experience with relational databases such as PostgreSQL, MySQL, or SQLite and 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.
  • Upper-intermediate (B2) or above English proficiency is required.

Benefits

  • Work fully remote on your own schedule with just a laptop and stable internet connection.
  • Earn up to $30 per hour equivalent, depending on level and pace of contribution.
  • Participate in performance-based bonus programs.
  • Gain hands-on experience in a hybrid environment where human expertise and AI agents collaborate.
  • Part-time freelance work with an estimated 10–20 hours per week during active phases.

Interested in this position?

Apply directly on the company website

Apply Now

Similar Roles

3Pillar Global

Mid Full Stack Engineer (Javascript)

3Pillar Global 1K-5K Internet Software & Services

3Pillar is hiring a Senior Software Engineer to build and launch client-facing digital products and enterprise software across industries in a global, remote-first delivery environment.

United States Full-time Mid Level Full-stack Engineer
$91k-$120k
Agile Angular Express.js HTTP JavaScript JSON Node.js PostgreSQL React SQL TypeScript XML
39 minutes ago
Anaplan

Engineer III

Anaplan 1K-5K Internet Software & Services

Anaplan is hiring an Engineer III to join its Experience Engineering team and help build a new user experience-focused product area for its planning platform.

India Senior Full-stack Engineer
Agile CI/CD CSS Cypress Docker Git Helm HTML Java JavaScript Jest Kotlin Kubernetes MySQL .NET Node.js Python React Spring Boot Terraform TypeScript
39 minutes ago
GOARC

Full Stack Developer

GOARC 51-250 Internet Software & Services

GOARC is seeking a Senior Full Stack Developer to help build and evolve its AI-native industrial operations platform through end-to-end feature ownership and cross-functional collaboration.

Israel Full-time Senior Full-stack Engineer
Agile Azure CI/CD Kubernetes Microservices .NET React SQL Server TypeScript
39 minutes ago
Apex Wheels

Sr. Full Stack Developer (Remote, Eastern Europe)

Apex Wheels 11-50 automotive

Apex Wheels is hiring a Senior Full-Stack Developer to evolve its internal operations platform that powers inventory, purchasing, and NetSuite-synced business data.

Poland Croatia Contract Senior Full-stack Engineer
$12k-$14k
NetSuite Next.js PostgreSQL Prisma React Redis SQL Tailwind CSS TypeScript
23 hours, 54 minutes ago

You're on a roll! Sign up now to keep applying.

Sign Up

Already have an account? Log in

Used by 14,729+ remote workers