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Junior Developer Intern Jobs in Harrison, NJ (NOW HIRING)

KPF

Data & Systems Developer Intern

New York, NY · On-site

$22 - $25/hr

Role Overview We are looking for a curious and motivated Data & Systems Developer Intern to join ... You will work closely with our AI Systems Engineer and Junior Data & Systems Developer ...

City of New York

Junior Engineer (Design)

Floral Park, NY · On-site

$60K - $70K/yr

... Engineering Intern title or those who are reachable on the open-competitive list (exam #5047) or ... The Department of Design & Construction, Division of Infrastructure, is currently seeking Junior ...

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Junior Developer Intern information

See Harrison, NJ salary details

$12

$23

$41

How much do junior developer intern jobs pay per hour?

As of Aug 11, 2026, the average hourly pay for junior developer intern in Harrison, NJ is $23.98, according to ZipRecruiter salary data. Most workers in this role earn between $19.38 and $25.43 per hour, depending on experience, location, and employer.

What is a junior developer intern?

A Junior Developer Intern is an entry-level position for individuals, often students or recent graduates, who are interested in gaining hands-on experience in software development. They typically work under the supervision of experienced developers, assisting with coding, debugging, testing, and other tasks related to software projects. The role is designed to help interns learn industry practices, develop technical skills, and build a foundation for a future career in software development. Junior Developer Interns often work on real-world projects and may contribute to both front-end and back-end development depending on the company’s needs.

What are the key skills and qualifications needed to thrive as a junior developer intern, and why are they important?

To thrive as a Junior Developer Intern, you typically need a foundational understanding of programming languages (such as JavaScript, Python, or Java), problem-solving skills, and a relevant degree or coursework in computer science or a related field. Familiarity with version control systems like Git, basic knowledge of development frameworks, and experience with collaboration tools such as Jira or Slack are often expected. Strong communication, eagerness to learn, and adaptability help interns excel in team environments and respond to feedback. These skills and qualities are crucial for contributing to projects, learning quickly, and building a successful career in software development.

What kinds of projects and responsibilities can a junior developer intern expect during their internship?

As a Junior Developer Intern, you can expect to work on a variety of tasks such as writing and debugging code, assisting with software testing, and supporting more experienced developers on ongoing projects. Interns often participate in daily stand-up meetings, collaborate with team members using version control tools like Git, and may be assigned small features or bug fixes to help them learn the codebase. This role offers hands-on experience with real-world development workflows and provides opportunities to receive mentorship and feedback, which are valuable for skill development and future career growth.
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Junior Developer Intern jobs near you

Software Engineering Intern - Fall 2026

Junior

New York, NY • On-site

$40/hr

Full-time

Re-posted 21 days ago

Job description

About Junior
We're building cutting-edge LLM-powered tools that supercharge investment research for the world's most demanding deal teams. Our clients include several of the top 10 global private equity firms, Big 4 professional services firms, and leading consulting practices: organisations responsible for deploying billions of dollars annually.
We're a profitable, bootstrapped company with a growing team of ~28 people based in London and New York. We 10x'd our revenue in 2025 and are on track to grow 2-3x again this year. Junior saves clients an average of 10 hours per week, and we're expanding fast into new verticals including investment banking, hedge funds, and research firms.
Role Description
As a Fall Engineering Intern, you'll be embedded directly in our engineering team and own a meaningful project end-to-end. You'll ship real code, collaborate with full-time engineers, and present your work to the team at the end of the summer. This is not a passive learning experience - we expect you to contribute from day one.
What You'll Work On
  • Building AI-powered features using LLMs to process and structure unstructured research data
  • Contributing to our Next.js / TypeScript frontend for client-facing products
  • Working on data pipelines that turn raw investment research into structured knowledge

What We're Looking For
  • Currently pursuing a degree in Computer Science, Software Engineering, or a related field
  • Comfortable working in TypeScript / JavaScript - Next.js experience is a plus
  • Curious about AI and LLM-powered products
  • Strong communicator who can work closely with a small, fast-moving team
  • Previous internship or co-op experience is a bonus, not a requirement

What You'll Get
  • $40/hr compensation
  • Free daily breakfast/lunch - we have an in-office cook
  • MacBook for the duration of the internship
  • Dedicated engineering mentor
  • Real ownership - your code ships to production
  • Final project presentation to the full team
  • Consideration for a return offer based on performance

Visa & Work Authorization
We welcome applicants who are authorized to work in the US, including:
  • US citizens and permanent residents
  • F-1 students on CPT or OPT
  • Canadian citizens (TN visa)
  • Irish citizens (J-1 intern visa)

If you're excited about the opportunity to drive innovation at Junior, we'd love to hear from you! We can't wait to meet you!

Apply