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Internship Java Developer Jobs in Iselin, NJ (NOW HIRING)

Point72

Quantitative Developer Intern

New York, NY · On-site

$21 - $27.50/hr

Our interns will work closely with our team, receive comprehensive, in-depth training, and help ... Build and enhance reliable, low-latency Java components such as messaging handlers and market data ...

Guardianlife

Lead Software Engineer

Holmdel, NJ · On-site

$118K - $195K/yr

You Are * An experienced backend Lead Java Engineer with a proven track record of leading ... Interns are not eligible for most Company benefits. Equal Employment Opportunity Guardian is an ...

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Internship Java Developer information

See Iselin, NJ salary details

$15

$57

$78

How much do internship java developer jobs pay per hour?

As of Aug 20, 2026, the average hourly pay for internship java developer in Iselin, NJ is $57.58, according to ZipRecruiter salary data. Most workers in this role earn between $49.81 and $64.42 per hour, depending on experience, location, and employer.

What are the qualifications to get a Java developer internship?

The qualifications to become a Java developer intern include that you are pursuing at least a bachelor’s degree in engineering, computer science, or a similar degree. Experience working with different computer languages is beneficial when you are applying for positions. Having some experience with the following can be helpful: C#, NET, HTML5, Java, VB, SQL, MVC, or data analytics. Strong communication skills can help you to stand out above other applicants. Experience with Java development, Spring Framework, and relational databases can also help you applying for a Java developer internship.

What is an internship Java developer?

Internship Java Developers are students or recent graduates who work in a company to gain practical experience in Java programming. They assist in developing, testing, and maintaining Java applications under the supervision of experienced developers. This role helps interns apply their academic knowledge to real-world projects, learn industry best practices, and improve their coding and teamwork skills. Internships often serve as a valuable stepping stone to full-time software development positions.

What kinds of projects and tasks can an internship Java developer expect to work on during their internship?

As an Internship Java Developer, you can expect to work on a variety of projects that help you build practical skills, such as developing new features, fixing bugs, writing unit tests, or assisting with code reviews. You’ll likely collaborate closely with experienced developers and participate in team meetings or agile sprints, which provide valuable exposure to real-world software development processes. Projects may range from maintaining existing applications to contributing to new product development, giving you a well-rounded experience in Java programming. This role is designed to help you learn industry best practices and gain hands-on experience while receiving mentorship and feedback from your team.

What are the key skills and qualifications needed to thrive as an internship Java developer, and why are they important?

To thrive as an Internship Java Developer, you need a solid understanding of Java programming, object-oriented principles, and basic software development concepts, often supported by coursework or personal projects. Familiarity with version control systems like Git, integrated development environments (IDEs) such as Eclipse or IntelliJ IDEA, and basic knowledge of databases are typically required. Strong problem-solving skills, eagerness to learn, and effective communication help interns adapt and contribute within development teams. These competencies enable you to quickly integrate into projects, support code quality, and grow professionally in a fast-paced environment.

What is the difference between Internship Java Developer vs Junior Java Developer?

AspectInternship Java DeveloperJunior Java Developer
Required CredentialsTypically pursuing or recently completed a degree in Computer Science or related fieldBachelor's degree in Computer Science or related field, with some practical experience
Work EnvironmentTraining-focused, supervised environment, often part-time or temporaryFull-time, ongoing employment with more responsibilities
Employer & Industry UsageInternships offered by tech companies, startups, and IT departments for skill developmentEntry-level position in software development teams across various industries

The main difference between an Internship Java Developer and a Junior Java Developer is experience and responsibility. Internships are designed for students or recent graduates gaining initial exposure, while Junior Java Developers have more hands-on work experience and are expected to contribute more independently to projects.

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Internship Java Developer jobs near you
Infographic showing various Internship Java Developer job openings in Iselin, NJ as of August 2026, with employment types broken down into 85% Full Time, 2% Part Time, and 13% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $119,758 per year, or $57.6 per hour.

Quantitative Developer Intern

Point72

New York, NY • On-site

$21 - $27.50/hr

Full-time, Internship

Re-posted 18 days ago

Job description

About the Team
A highly collaborative, fast-growing team, Point72 Internal Alpha Capture (IAC) is developing scalable quantitative equity trading signals that leverage rigorous research, state-of-the-art machine learning methods, a broad range of public and proprietary data sources, and unparalleled computing power.
We are looking for exceptional students to join us as quantitative developer interns for Winter 2027 (January to April). Our interns will work closely with our team, receive comprehensive, in-depth training, and help develop novel signals that may have a real impact.
WHAT YOU'LL DO
  • Build and enhance reliable, low-latency Java components such as messaging handlers and market data parsers within our equities trading platform
  • Design and implement new features to support trade execution workflows and help translate research signals into production trading logic
  • Optimize high-throughput data ETL pipelines, persistent and in-memory caches, and SQL databases to support real-time market data processing
  • Write robust unit and integration tests and automate testing to ensure system correctness under live market conditions
  • Improve research and trading tools and infrastructure, including monitoring, logging, and alerting for production systems
  • Participate in comprehensive, in-depth training and mentorship to deepen understanding of production trading systems and systematic strategies
  • Take ownership of projects from design to deployment, working both independently and as part of a small, fast-growing team to build solutions that can have real impact

WHAT'S REQUIRED
  • Undergraduate or higher degree in computer science, machine learning, or another quantitative discipline, or current enrollment in a related undergraduate or graduate program
  • Strong programming experience in Java with production-level coding quality and object-oriented design skills
  • Experience with containerization and orchestration technologies, particularly Docker
  • Experience working in Unix environments and proficiency with shell scripting
  • Knowledge of version control using Git and experience with continuous integration and delivery tools and the software development lifecycle (SDLC)
  • Ability to take ownership of projects, work independently, and collaborate effectively within a small team
  • Availability to work fulltime onsite in New York from January to April 2027
  • Commitment to the highest ethical standards

ABOUT POINT72
Point72 is a leading global alternative investment firm led by Steven A. Cohen. Building on more than 30 years of investing experience, Point72 seeks to deliver superior returns for its investors through fundamental and systematic investing strategies across asset classes and geographies. We aim to attract and retain the industry's brightest talent by cultivating an investor-led culture and committing to our people's long-term growth. For more information, visit https://point72.com/.

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