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Java Internship Jobs in Princeton, NJ (NOW HIRING)

Vantage

Java Team Lead

New Hope, PA · On-site

Java Developer, Team Lead We are seeking a hands-on Team Lead to guide the architecture ... to mentor others (interns, rookies, and junior developers). * Relaxed yet enthusiastic and ...

Danaher

Software Engineer Internships

Edison, NJ

Preference for students who have completed 3+ years of coursework by the internship start date * Experience with object-oriented programming (e.g., C#, Java, Python, C++) * Strong analytical and ...

Danaher

Software Engineer Internships

Trenton, NJ

Preference for students who have completed 3+ years of coursework by the internship start date * Experience with object-oriented programming (e.g., C#, Java, Python, C++) * Strong analytical and ...

Danaher

Software Engineer Internships

Edison, NJ · On-site

Preference for students who have completed 3+ years of coursework by the internship start date * Experience with object-oriented programming (e.g., C#, Java, Python, C++) * Strong analytical and ...

Danaher

Software Engineer Internships

Trenton, NJ · On-site

Preference for students who have completed 3+ years of coursework by the internship start date * Experience with object-oriented programming (e.g., C#, Java, Python, C++) * Strong analytical and ...

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How much do java internship jobs pay per hour?

As of Sep 9, 2026, the average hourly pay for java internship in Princeton, NJ is $59.96, according to ZipRecruiter salary data. Most workers in this role earn between $51.88 and $67.12 per hour, depending on experience, location, and employer.

What is a Java internship?

A Java Internship is a temporary position, usually aimed at students or recent graduates, that provides hands-on experience working with Java programming in a real-world environment. Interns typically assist with software development tasks, bug fixing, and sometimes participate in designing and testing Java applications. This role helps individuals gain practical skills, industry knowledge, and professional networking opportunities that can aid in securing a full-time job in software development.

What types of projects do Java interns typically work on, and how do these projects support their learning and professional growth?

Java interns are often assigned to real-world projects such as developing web applications, enhancing existing codebases, or automating testing processes. These projects are designed to provide hands-on experience with Java frameworks like Spring or Hibernate, version control systems, and collaborative development tools. Interns usually work closely with experienced developers, participate in code reviews, and attend team meetings, which helps them gain valuable feedback and understand industry best practices. This environment not only sharpens their technical skills but also exposes them to effective teamwork and agile development methodologies, setting a strong foundation for future career opportunities.

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

To thrive as a Java Intern, you need a solid understanding of Java programming, basic knowledge of object-oriented principles, and enrollment in or completion of a computer science or related degree. Familiarity with IDEs like Eclipse or IntelliJ IDEA, version control systems such as Git, and basic database concepts is often expected. Strong problem-solving skills, eagerness to learn, and effective communication set exceptional interns apart. These skills and qualities enable interns to contribute meaningfully to projects, adapt to team workflows, and accelerate their professional growth.

What is the difference between Java Internship vs Java Developer?

AspectJava InternshipJava Developer
Required CredentialsTypically pursuing or recently completed a degree in Computer Science or related fieldBachelor's degree in Computer Science or related, often with certifications
Work EnvironmentEntry-level, training-focused, often part-time or temporaryFull-time, professional development, project-based
Employer & Industry UsageInternships offered by tech companies, startups, and organizations for trainingFull-time roles in software development companies, IT departments, or tech firms
Common Search & Comparison IntentUnderstanding entry points into Java developmentSeeking full-time Java development roles

In summary, a Java Internship is an entry-level, training-focused position designed for students or recent graduates to gain practical experience. A Java Developer is a full-time professional role requiring more experience and responsibility in developing Java applications.

Is Java still in demand?

Java remains a highly in-demand skill for software development, especially in enterprise applications, Android app development, and backend systems. Many companies seek Java developers with knowledge of frameworks like Spring and experience with cloud environments, ensuring ongoing job opportunities for Java interns and professionals.

What does a Java internship do?

A Java internship involves assisting with software development using Java programming language, often including tasks like coding, debugging, and testing applications. Interns gain experience with development tools, collaborate with teams, and improve their programming skills in a real-world environment.

What cities near Princeton, NJ are hiring for Java Internship jobs?

Cities near Princeton, NJ with the most Java Internship job openings:

Java Internship jobs near you
Infographic showing various Java Internship job openings in Princeton, NJ as of August 2026, with employment types broken down into 6% Internship, 67% Full Time, 26% Part Time, and 1% Contract. Highlights an 88% Physical, 1% Hybrid, and 11% Remote job distribution, with an average salary of $123,623 per year, or $59.4 per hour.

Java Team Lead

New Hope, PA • On-site

Vantage
Finance and Insurance • 11 - 50 employees
Learn more about Vantageexternal

Full-time

Medical, Dental, Vision, Life, Retirement

Re-posted 19 days ago

Job description

Java Developer, Team Lead

We are seeking a hands-on Team Lead to guide the architecture, development, and maintenance of our cloud-based Data Analytics platform based Monday-Friday on site in our development office in New Hope, PA.


Responsibilities to Include (but not limited to):

  • Engage with other leads, developers, designers, product managers and quality engineers.
  • Architect full-stack solutions deployed to the cloud.
  • Debug time-sensitive issues.
  • Lead a team in Agile Scrum sprints to deliver new features and improvements.
  • Drive innovation by coming up with new and surprising ideas for our products and processes.


Qualifications, Skills and Abilities:

  • Bachelor’s degree is required in Computer Science, Information Technology or a related field.
  • 5+ years of JAVA software development experience is preferred:  you must have excellent understanding of J2SE and deep architectural understanding of Java web applications & application servers [advanced educational accomplishments will also be considered].
  • Deep knowledge of back-end technologies (i.e. Spring, Hibernate, RDBMS/SQL).
  • Solid understanding of standard front-end technologies like CSS, HTML, JavaScript (Angular or React), REST, JSON. 
  • Working knowledge of containerization technologies such as Docker and Kubernetes.
  • Ability to slice and dice problems and tasks so they can be worked on by others and ability to mentor others (interns, rookies, and junior developers).
  • Relaxed yet enthusiastic and motivated attitude towards the craft, company, and products.


Preferred skills that would be good to have:

  • Knowledge of Open Source libraries, tools and frameworks, e.g. for logging, testing, and building.
  • Excitement for the latest trends in application design.
  • Experience with Amazon Web Services (i.e. IAM, EC2, S3) or similar cloud computing services.
  • Experience with agile software development methodologies like XP and Scrum.


Benefits & Perks:
  • Medical, Dental and Vision Insurance
  • 401(k)
  • Life Insurance
  • Short-Term and Long-Term Disability
  • Legal and ID Theft Protection
  • Pet Insurance
  • Accident Insurance
  • Critical Illness Insurance
  • Tuition Reimbursement, paid training

Company Information: 

Vantage Labs www.vantage.com is a world leader and innovator in the development and leveraging of artificial intelligence and natural language technologies into a broad spectrum of vertical markets and industries. We specialize in providing advanced Software-as-a-Service solutions; we believe our customers should be able to choose top-quality linguistic solutions that meet the challenges of their market and business. Our technology is built on more than 30 years of linguistic research and is integrated with both SaaS and installable products. Vantage's technologies are deployed in many common products, and we own some of the most prevalent technology patents in the country.

Vantage Labs is an Equal Opportunity Employer

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