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Freelance Mern Stack Developer Jobs in Newark, NJ

ShiftCode Analytics, Inc.

Mern Stack

Livingston, NJ · On-site

ShiftCode Analytics, Inc. is a fintech company seeking a strong, backend-focused MERN Engineer with ... the MERN stack, with a clear preference for backend-heavy development. • Solid hands-on ...

Reailize

Full Stack AI Developer

Middletown, NJ · On-site

By combining deep expertise, advanced engineering, and patented software, we transform complexity ... Internally, the applications are built on a MERN stack (MongoDB, Express.js, React, Node.js)

Anagh Technologies, Inc.

MERN

NJ · On-site

Principal Software Engineer (Fullstack Lead/Architect MERN) with Mobile Application Developer and ... As a Principal Full Stack Engineer, you will be responsible for designing and developing web and ...

Dellfor Technologies

senior .net developer

Jersey City, NJ · On-site

$57.50 - $73/hr

NET stack (WISA, WINS) C#, WPF * Recent 1+ years of developing web application in open source stack (MEAN, MERN) * 2+ years of writing code in JS (ES6), JQuery, HTML, CSS, C# * At Least 5+ years of ...

Dellfor Technologies

senior .net developer

New York, NY · On-site

$60.25 - $76.50/hr

NET stack (WISA, WINS) C#, WPF * Recent 1+ years of developing web application in open source stack (MEAN, MERN) * 2+ years of writing code in JS (ES6), JQuery, HTML, CSS, C# * At Least 5+ years of ...

Shiftsmart

Senior Software Engineer

New York, NY · On-site

$155K - $275K/yr

You enjoy working cross-functionally with leadership, PMs, designers, and other engineers to build products across a modern tech stack (MERN) to solve complex problems * Outcome oriented: You seek to ...

Shiftsmart

Staff Software Engineer /Tech Lead

New York, NY · On-site

$155K - $275K/yr

You enjoy working cross-functionally with leadership, PMs, designers, and other engineers to build products across a modern tech stack (MERN) to solve complex problems * Outcome oriented: You seek to ...

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Freelance Mern Stack Developer information

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$25

$61

$89

How much do freelance mern stack developer jobs pay per hour?

As of Aug 6, 2026, the average hourly pay for freelance mern stack developer in Newark, NJ is $61.97, according to ZipRecruiter salary data. Most workers in this role earn between $51.54 and $71.39 per hour, depending on experience, location, and employer.

What is the difference between Freelance Mern Stack Developer vs Freelance Front-End Developer?

AspectFreelance Mern Stack DeveloperFreelance Front-End Developer
SkillsProficient in MongoDB, Express.js, React, Node.jsSpecializes in HTML, CSS, JavaScript, UI/UX design
Work EnvironmentFull-stack development, backend and frontend tasksPrimarily frontend design and implementation
Common UsageBuilding complete web applicationsCreating user interfaces and visual elements

Freelance Mern Stack Developers handle both backend and frontend development using the MERN stack, enabling them to build complete web applications. In contrast, Freelance Front-End Developers focus mainly on designing and implementing the visual and interactive aspects of websites. While both roles require JavaScript skills, the Mern Stack Developer's expertise spans the entire application stack, making them suitable for full project development, whereas Front-End Developers specialize in user interface design.

What is a freelance MERN Stack Developer?

A Freelance MERN Stack Developer is a self-employed software engineer who specializes in building web applications using the MERN stack: MongoDB, Express.js, React.js, and Node.js. These developers work independently, often on a project-by-project basis, for various clients. They handle both the front-end and back-end development, ensuring seamless integration and performance of web applications. Freelance MERN Stack Developers are valued for their flexibility, technical expertise, and ability to deliver end-to-end solutions.

How do freelance MERN Stack Developers typically manage client communications and project expectations?

Freelance MERN Stack Developers often work remotely and independently, making clear client communication essential for project success. They usually conduct regular check-ins via emails, messaging apps, or video calls to discuss progress, clarify requirements, and address feedback. Setting up project milestones and deliverables at the outset helps manage expectations and ensures both parties are aligned on timelines and outcomes. Many freelancers also use project management tools to keep clients updated and track changes efficiently.

What are the key skills and qualifications needed to thrive as a freelance MERN Stack Developer?

To thrive as a Freelance MERN Stack Developer, you need strong proficiency in MongoDB, Express.js, React.js, and Node.js, along with a solid understanding of JavaScript and web development fundamentals. Familiarity with version control systems like Git, deployment platforms (e.g., AWS, Heroku), and relevant certifications such as JavaScript or React developer certificates are valuable. Excellent communication, time management, and problem-solving skills help freelancers effectively collaborate with clients and manage projects independently. These skills enable successful project delivery, client satisfaction, and adaptability in a competitive freelance environment.
What are the most commonly searched types of Mern Stack Developer jobs in Newark, NJ? The most popular types of Mern Stack Developer jobs in Newark, NJ are:
What are popular job titles related to Freelance Mern Stack Developer jobs in Newark, NJ? For Freelance Mern Stack Developer jobs in Newark, NJ, the most frequently searched job titles are:
What job categories do people searching Freelance Mern Stack Developer jobs in Newark, NJ look for? The top searched job categories for Freelance Mern Stack Developer jobs in Newark, NJ are:
What cities near Newark, NJ are hiring for Freelance Mern Stack Developer jobs? Cities near Newark, NJ with the most Freelance Mern Stack Developer job openings:
Freelance Mern Stack Developer jobs near you
Infographic showing various Freelance Mern Stack Developer job openings in Newark, NJ as of August 2026, with employment types broken down into 62% Full Time, and 38% Contract. Highlights an 100% In-person job distribution, with an average salary of $128,898 per year, or $62 per hour.

Application Developer - MERN Stack

Compunnel

Florham Park, NJ • On-site

Contractor

Posted 17 days ago

Job description

JOB SUMMARY
We are seeking a MERN Stack Developer with experience in building and maintaining web applications using MongoDB, Express.js, React, and Node.js. The ideal candidate will be responsible for developing scalable applications, creating RESTful APIs, integrating front-end and back-end components, and collaborating with cross-functional teams throughout the software development lifecycle.
Key Responsibilities
Design, develop, test, and maintain web applications
Build and integrate APIs and backend services
Troubleshoot and resolve application issues
Collaborate with business and technical teams to deliver high-quality solutions
Participate in code reviews and application enhancements
Required Qualifications
5-8 years of strong experience with MongoDB, Express.js, React, and Node.js
Experience developing RESTful APIs and microservices
Proficiency with JavaScript/TypeScript, HTML, and CSS
Knowledge of Git and Agile development methodologies
Preferred Qualifications
Experience with cloud platforms and CI/CD is a plus
Compunnel logo

About Compunnel

Sourced by ZipRecruiter

Compunnel is a well-known company located in Plainsboro, NJ, US, recognized in the industry of IT Services and Solutions. Established in 1989, Compunnel offers a suite of services that help businesses integrate technology efficiently into their operations, a recognizable name in the IT solutions sphere for over three decades. The company’s service portfolio includes Digital Transformation, Business Intelligence, Cloud Services, Cybersecurity, and Application Modern Services, among others. Guided by its mission "to innovate with industry-leading digital solutions and disruptive tech strategies for unimagining business growth," the company underlines its commitment to offering out-of-the-box solutions to its clients. Remarkable achievements of the company include serving more than 30 Fortune 500 companies and providing job opportunities for over 50,000 individuals.

Industry

It services

Company size

501 - 1,000 Employees

Headquarters location

Plainsboro, NJ, US

Year founded

1994

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