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Internship React Developer Jobs in Passaic, NJ (NOW HIRING)

Thank you for your interest in Uncountable Engineering! Description Uncountable is hiring interns ... Experience with React Our Current Stack * Backend: Flask (Python), Postgres * Frontend: React ...

Front-End UI/UX Intern (React)

Manhattan, NY · On-site

$21.25 - $27.75/hr

Role Overview Ninth Wave is seeking a Jr. UI/UX Developer Intern who is eager to learn about our ... The Internship will offer the opportunity to learn frontend development practices, testing ...

New

Open-source technologies like Cassandra, Spark, Elasticsearch, React, and Redux * Industry-standard ... Engineering background in fields such as Computer Science, Mathematics, Software Engineering, and ...

Check out our Engineering Blog and Emerging Talent Blog for more on our tech stack, mission and ... Experience with web apps (React, TypeScript) * Experience with backend technologies (Python, Flask ...

... internship/coursework for Software Engineer I). * Working knowledge of at least one backend language (Go, TypeScript, Python) and familiarity with modern frontend frameworks (React or similar)

... internship/coursework for Software Engineer I). * Working knowledge of at least one backend language (Go, TypeScript, Python) and familiarity with modern frontend frameworks (React or similar)

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Internship React Developer information

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How much do internship react developer jobs pay per hour?

As of Aug 19, 2026, the average hourly pay for internship react developer in Passaic, NJ is $23.71, according to ZipRecruiter salary data. Most workers in this role earn between $19.18 and $25.14 per hour, depending on experience, location, and employer.

What is an internship React developer?

An Internship React Developer job is a temporary position where aspiring developers gain hands-on experience working with React.js, a popular JavaScript library for building user interfaces. Interns typically assist in developing web applications, fixing bugs, and collaborating with senior developers. This role helps interns enhance their coding skills, understand real-world development workflows, and gain exposure to industry best practices.

What are the typical responsibilities of an internship React developer?

As an Internship React Developer, you will typically work on tasks such as building or updating user interfaces using React.js, fixing bugs, writing unit tests, and assisting with documentation. You may participate in daily stand-up meetings, collaborate with other developers and designers, and receive guidance from senior engineers. Interns often contribute to real codebases, gaining hands-on experience with agile workflows, code reviews, and version control. This practical exposure helps you develop professional programming practices and understand how front-end teams operate in a workplace setting.

What are the key skills and qualifications needed to thrive as an internship React developer?

To thrive as an Internship React Developer, you need a solid understanding of JavaScript, React.js, HTML, and CSS, often supported by coursework or personal projects. Familiarity with version control systems like Git, basic testing tools, and IDEs such as Visual Studio Code is commonly expected. Strong problem-solving abilities, teamwork, and openness to feedback are valuable soft skills in this role. These skills ensure you can contribute effectively to real projects, learn quickly from mentors, and adapt to collaborative software development environments.

What are popular job titles related to Internship React Developer jobs in Passaic, NJ?

For Internship React Developer jobs in Passaic, NJ, the most frequently searched job titles are:

What job categories do people searching Internship React Developer jobs in Passaic, NJ look for?

The top searched job categories for Internship React Developer jobs in Passaic, NJ are:

What cities near Passaic, NJ are hiring for Internship React Developer jobs?

Cities near Passaic, NJ with the most Internship React Developer job openings:

Full-Stack Intern

Uncountable

New York, NY • On-site

$6.0K/mo

Full-time, Internship

Re-posted 24 days ago


Job description

Thank you for your interest in Uncountable Engineering!
Description
Uncountable is hiring interns who are passionate about a career in full-stack software engineering. Our goal is to revolutionize industrial research and development. We're looking for motivated engineers who can help to build a state of the art development platform that will be used across Fortune 500 companies.
Possible Projects
Architecting database to allow for more complex analysis and building new interfaces and views for scientists to manage experiments.
We will consider only applicants that are graduating within a year of the internship.
Salary: $6K / month
Requirements
  • Pursuing a degree in CS
  • Computer science fundamentals
  • Web development skills

Preferred Qualifications
  • Familiarity with modern javascript best practices
  • Familiarity with SQL database design
  • Experience with React

Our Current Stack
  • Backend: Flask (Python), Postgres
  • Frontend: React (Typescript), Redux, Sass

What's next? Learn more about Interviewing at Uncountable
Learn more about our engineering team: Check out our blog