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Intern Mern Stack Developer Jobs in New Jersey (NOW HIRING)

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 ...

Full Stack AI Developer

Middletown, NJ · On-site

$120 - $160/hr

Note on tech stack Internally, the applications are built on a MERN stack (MongoDB, Express.js ... Do prompt engineering, tool/function calling, and agent workflows on top of AI SDKs. * Design ...

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)

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 ...

Software Developer Intern

Iselin, NJ · On-site

$19.50 - $25.75/hr

A software developer intern is an entry-level team member, typically a student or recent graduate ... team's tech stack. · Exposure to database systems, APIs, or cloud platforms is a plus. 4. ...

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 ...

... stacks, building a reputation as someone who delivers. This is an engineering role first. We're ... Mentor our intern. Both will make you better. What We're Looking For * 2-4 years building ...

Lead AI Platform Engineer

Fairfield, NJ · On-site

$104K - $137K/yr

Be our deepest voice on the AWS AI stack. Evaluate, integrate, and operationalize new capabilities ... Mentorship. Set the engineering bar for the AI & Automation pod (two engineers and an intern ...

Intern Mern Stack Developer information

What is an intern MERN stack developer?

Intern MERN Stack Developers are entry-level programmers who assist in building web applications using the MERN stack, which stands for MongoDB, Express.js, React.js, and Node.js. As interns, they work under the guidance of senior developers to gain hands-on experience in designing, developing, and deploying full-stack web applications. Their responsibilities typically include writing code, fixing bugs, collaborating with teams, and learning best practices in software development. This role is ideal for those looking to start a career in web development and gain practical experience with modern JavaScript technologies.

What types of projects and tasks can I expect to work on as an intern MERN stack developer?

As an Intern MERN Stack Developer, you will typically participate in projects that involve building and maintaining web applications using MongoDB, Express.js, React, and Node.js. Your daily tasks may include writing and testing code, fixing bugs, developing new features under the guidance of senior developers, and contributing to team meetings. You'll likely collaborate with designers, backend engineers, and QA testers, gaining exposure to the full software development lifecycle. This hands-on experience is valuable for building your technical skills and understanding industry-standard development workflows.

What are the key skills and qualifications needed to thrive as an intern MERN stack developer, and why are they important?

To thrive as an Intern MERN Stack Developer, you need a solid understanding of JavaScript, HTML, CSS, and the core components of the MERN stack: MongoDB, Express.js, React.js, and Node.js, often supported by relevant coursework or self-led projects. Familiarity with version control systems like Git, basic RESTful API development, and optionally cloud platforms or CI/CD tools is valuable. Strong problem-solving skills, eagerness to learn, and effective communication help you collaborate with teams and adapt to new tasks quickly. These skills are crucial for contributing to real-world projects, resolving development challenges, and growing into a proficient full-stack developer.

What is the difference between Intern Mern Stack Developer vs Junior Mern Stack Developer?

AspectIntern Mern Stack DeveloperJunior Mern Stack Developer
Experience LevelEntry-level, internshipEntry to early professional experience
ResponsibilitiesAssisting in development tasks, learning, supporting senior developersDeveloping features, fixing bugs, contributing to projects
Skills & CertificationsBasic knowledge of MERN stack, learning mindsetProficiency in MongoDB, Express.js, React, Node.js, some certifications
Work EnvironmentInternship programs, training-focusedFull or part-time roles in tech teams

The main difference between an Intern Mern Stack Developer and a Junior Mern Stack Developer lies in experience and responsibilities. Interns are typically students or beginners gaining hands-on experience, while Junior developers have some practical skills and contribute more independently. Intern roles focus on learning and support, whereas Junior roles involve active development and problem-solving.

What are the most commonly searched types of Mern Stack Developer jobs in New Jersey?

The most popular types of Mern Stack Developer jobs in New Jersey are:

What job categories do people searching Intern Mern Stack Developer jobs in New Jersey look for?

The top searched job categories for Intern Mern Stack Developer jobs in New Jersey are:

What cities in New Jersey are hiring for Intern Mern Stack Developer jobs?

Cities in New Jersey with the most Intern Mern Stack Developer job openings:

Infographic showing various Intern Mern Stack Developer job openings in New Jersey as of August 2026, with employment types broken down into 14% Internship, 43% Full Time, and 43% Contract. Highlights an 100% In-person job distribution.

MERN Stack Developer (hybrid onsite 3x a week)

Silver Search Inc

Livingston, NJ

$62 - $63/hr

Full-time

Re-posted 5 days ago


Job description

Job Description Mid Level MERN stack developer needed for our client's growing team, based in Livingston, NJ This position is onsite 3x a week and will include an IN PERSON INTERVIEW. Must be local C2C or W2 hourly. Long term contract.

Our Fintech client is seeking a strong, backend-focused MERN Engineer with deep experience in Node.js. This role is heavily emphasizing APIs, serverless architecture, and cloud-native services. Key Responsibilities: Design, build, and maintain scalable RESTful APIs supporting high-volume client integrations

Develop backend services using Node.js and Python, with a strong focus on performance, security, and reliability. Build and support AWS serverless solutions, including: Lambda functions Step Functions for workflow orchestration and service coordination Contribute to a platform that enables self-service API access for hundreds of external consumers. Work independently to deliver features end-to-end in a fast-paced, results-driven environment

Collaborate across teams and participate in cross-training initiatives to broaden technical expertise. Support and contribute to Generative AI initiatives, tools, or integrations as part of ongoing platform evolution. Qualifications: 7+ years of backend development experience, Node.js development, including strong experience in MongoDB

Expertise in API development Knowledge of Python, and strong object-oriented design SQL and NoSQL data stores Hands-on experience with the MERN stack, with a clear preference for backend-heavy development. Solid hands-on experience with AWS Lambda and serverless architectures. Ability to work independently, manage ambiguity, and deliver consistently in a high-velocity environment.

Strong communication skills and a collaborative, growth-oriented mindset. Bachelor's degree in Computer Science, Engineering or related discipline