Full Stack Developer Mern Freelance Part Time

🌐 Remote💼 Part-time💰 $240,000–$240,000🗓 2026-07-27

Core

Design, develop, and maintain scalable web applications using the MERN stack, owning features from backend APIs to frontend interfaces.

Role type

Freelance Full Stack Developer (MERN)

Builds

Scalable web applications and backend APIs

Domain

Web development, SaaS

Deliverable

production ML models | product features

Required skills

Node.js, React.js, Next.js, MongoDB, API design, frontend development, database management, code review, automated testing, security implementation

Preferred skills

Mobile platform integration, architectural decision making, technical guidance

Technologies

NodeJS, React.js, Next.js, MongoDB

Responsibilities

Design and develop web applications using NodeJS and React.js/Next.js; Build and maintain scalable backend services; Collaborate with product and design teams to translate requirements into features; Integrate frontend, backend, and mobile platforms; Ensure application security, performance, and scalability; Debug and improve existing features; Write clean, maintainable code; Review code and provide technical guidance; Contribute to architectural decisions; Implement automated testing; Manage database solutions.

Seniority

Mid-level, hands-on IC

Rewrite

## About the role We are looking for an experienced Full Stack Developer (MERN stack) to work with us on a freelance / part-time basis, fully remote. This role is ideal for someone who enjoys owning features end to end — from backend APIs to frontend interfaces — and contributing to product decisions in a collaborative, fast-moving environment. You'll work closely with our product, design, and engineering teams to build scalable, reliable, and high-quality applications. ## Responsibilities - Design, develop, and maintain web applications using NodeJS for the backend and React.js / Next.js for the frontend. - Build and maintain scalable backend using NodeJS. - Collaborate with product managers and UI/UX designers to translate requirements into functional features. - Work on seamless integration between frontend, backend, and (where applicable) mobile platforms. - Ensure application security, performance, and scalability across the stack. - Debug, troubleshoot, and improve existing features to maintain reliability and responsiveness. - Write clean, maintainable, and efficient code following best practices. - Review code and provide technical guidance to other developers when needed. - Contribute to architectural decisions and help improve existing codebases. - Implement basic automated testing and ensure code quality. - Design and manage database solutions using MongoDB (or similar document databases). - Integrate user-facing elements with server-side logic to deliver complete features. ## Requirements - 2+ years of hands-on experience as a Full Stack Developer. - Strong experience with backend development and modern frontend frameworks. - Comfortable working independently in a remote, freelance setup. - Ability to take ownership of features and deliver with minimal supervision. - Experience collaborating with cross-functional teams. - Clear communication and a product-focused mindset. ## Tech Stack - React.js / Next.js - MongoDB - NodeJS ## Engagement Details - Engagement: Freelance / Part-time - Experience: 2+ years as a Full Stack Developer - Work Mode: Fully Remote - Start: Immediate or as per availability - Budget: 20k per month

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