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Developer (Full Stack React) for CRM Development

FreelanceJobs
Full Timemid
CAPosted March 5, 2026

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JavaScriptTypeScriptHTMLCSSReactPostgreSQLMySQLMongoDBRESTSaaS

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Job Description

We are looking for an experienced Developer to help build and scale a modern CRM platform used for managing business workflows and customer operations.

The ideal candidate is a Full Stack React Developer who is comfortable working across both frontend and backend parts of a production SaaS application.

You should be able to design APIs, implement business logic, and deliver user-facing features with clean and maintainable code.

This role is ideal for a backend developer who also enjoys building full product features as a Full Stack Web developer.

Responsibilities

Develop backend services as a Developer using modern JavaScript and scalable architecture

Build product features as a Full Stack React Developer across backend APIs and frontend interfaces

Design and maintain CRM workflows in a full stack developer SaaS environment

Collaborate with the team on architecture decisions and production deployments

Optimize performance and maintain reliability of the platform

Tech Stack

React /

JavaScript / TypeScript

MongoDB / PostgreSQL

REST APIs

We also work with developers experienced as a javascript developer, mern stack developer, or full stack developer mern who can contribute to a growing SaaS platform.

Requirements

Proven experience as a Developer or backend developer

Strong experience as a Full Stack React Developer

Experience building SaaS products as a full stack developer SaaS

Understanding of MERN architecture as a mern stack developer or full stack developer mern

Ability to work independently and deliver production-ready code

Engagement

Remote freelance position

Part-time or full-time collaboration

Long-term opportunity for the right Full Stack Web developer

Contract duration of 1 to 3 months. with 40 hours per week.

Mandatory skills:

, React, JavaScript, MongoDB, MERN Stack, TypeScript, ExpressJS, CSS, HTML, HTML5, CSS 3, MySQL, jQuery, Web Application, JSON

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