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Junior Java Developer Intern Jobs in Princeton, NJ

IBM

Intern Application Developer 2027-ServiceNow

New York, NY · On-site

$21 - $27.50/hr

As an intern, you'll experience this culture and could advance to our full-time Associates program ... Exposure to one of the following (Java, C++, Python, Scala, R, SAS, SQL, HTML, SPSS, VBA, Tableau ...

New

Altanova

Energy Engineer Intern

New York, NY · On-site

$18.25 - $23.75/hr

Altanova is actively hiring a building performance intern to join our real estate group ... This position is open to junior candidates with a mechanical engineering, energy, building ...

Altanova

Energy Engineer Intern

New York, NY · On-site

$18.25 - $23.75/hr

Altanova is actively hiring a building performance intern to join our real estate group ... This position is open to junior candidates with a mechanical engineering, energy, building ...

Altanova

Energy Engineer Intern

New York, NY · On-site

$18.25 - $23.75/hr

Altanova is actively hiring a building performance intern to join our real estate group ... This position is open to junior candidates with a mechanical engineering, energy, building ...

2T Consulting

Java Spark Engineer

Plainfield, NJ · On-site

$53 - $72.75/hr

... junior engineers; act as a technical escalation point • Partner with product, analytics, and ... Java development experience • 5+ years hands-on experience with Apache Spark in production ...

2T Consulting

Java Spark Engineer

Fords, NJ · On-site

$52.75 - $72.50/hr

... junior engineers; act as a technical escalation point • Partner with product, analytics, and ... Java development experience • 5+ years hands-on experience with Apache Spark in production ...

2T Consulting

Java Spark Engineer

Watchung, NJ · On-site

$53.25 - $73/hr

... junior engineers; act as a technical escalation point • Partner with product, analytics, and ... Java development experience • 5+ years hands-on experience with Apache Spark in production ...

2T Consulting

Java Spark Engineer

Martinsville, NJ · On-site

$55.75 - $76.75/hr

... junior engineers; act as a technical escalation point • Partner with product, analytics, and ... Java development experience • 5+ years hands-on experience with Apache Spark in production ...

2T Consulting

Java Spark Engineer

North Plainfield, NJ · On-site

$53 - $72.75/hr

... junior engineers; act as a technical escalation point • Partner with product, analytics, and ... Java development experience • 5+ years hands-on experience with Apache Spark in production ...

2T Consulting

Java Spark Engineer

Warren, NJ · On-site

$53.75 - $73.75/hr

... junior engineers; act as a technical escalation point • Partner with product, analytics, and ... Java development experience • 5+ years hands-on experience with Apache Spark in production ...

2T Consulting

Java Spark Engineer

Raritan, NJ · On-site

$53 - $72.75/hr

... junior engineers; act as a technical escalation point • Partner with product, analytics, and ... Java development experience • 5+ years hands-on experience with Apache Spark in production ...

2T Consulting

Java Spark Engineer

Basking Ridge, NJ · On-site

$53.25 - $73.25/hr

... junior engineers; act as a technical escalation point • Partner with product, analytics, and ... Java development experience • 5+ years hands-on experience with Apache Spark in production ...

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All JobsJava Developer Intern JobsJunior Java Developer Intern JobsJunior Java Developer Intern Jobs in Princeton, NJ

Junior Java Developer Intern information

See Princeton, NJ salary details

$63.9K

$112K

$168.8K

How much do junior java developer intern jobs pay per year?

As of Aug 18, 2026, the average yearly pay for junior java developer intern in Princeton, NJ is $111,981.00, according to ZipRecruiter salary data. Most workers in this role earn between $79,100.00 and $111,600.00 per year, depending on experience, location, and employer.

What does a Junior Java Developer Intern do?

A Junior Java Developer Intern assists in the development, testing, and maintenance of Java-based applications under the supervision of senior developers. Their responsibilities typically include writing simple code, debugging software, participating in team meetings, and learning best practices in software development. The intern gains hands-on experience with Java technologies, tools, and frameworks while contributing to real-world projects. This role is designed to help interns build foundational programming skills and understand the software development lifecycle.

What types of projects and tasks can I expect to work on as a Junior Java Developer Intern?

As a Junior Java Developer Intern, you can expect to assist in developing, testing, and debugging Java applications under the guidance of senior team members. Your daily tasks may include writing code, fixing bugs, participating in code reviews, and collaborating with other developers and departments such as QA or DevOps. Interns often get exposure to real-world projects that contribute to the organization's products or services, providing valuable experience with tools like version control systems and agile methodologies. This hands-on involvement is designed to help you build both technical and teamwork skills in a professional setting.

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

To thrive as a Junior Java Developer Intern, you need a solid understanding of Java programming, basic knowledge of object-oriented design, and a relevant degree or coursework in computer science or software engineering. Familiarity with IDEs like Eclipse or IntelliJ IDEA, version control systems such as Git, and introductory experience with build tools like Maven is typical. Strong problem-solving, eagerness to learn, and effective communication skills help interns collaborate and adapt in a team environment. These skills and qualities are important because they enable rapid learning, effective contribution to projects, and smooth integration into development teams.

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

AspectJunior Java Developer InternJunior Java Developer
Required CredentialsBasic understanding of Java, coursework, or related internship experienceProven Java skills, possibly some certifications or coursework completed
Work EnvironmentInternship programs, learning-focused, entry-level projectsFull-time role, more responsibility, involved in ongoing projects
Employer & Industry UsageInternship positions in tech companies, startups, or software firmsEntry-level full-time positions in similar industries
Search & Comparison IntentUnderstanding internship differences, entry-level opportunitiesCareer progression, job responsibilities, skill requirements

The main difference between a Junior Java Developer Intern and a Junior Java Developer lies in experience and responsibilities. Interns are typically students or recent graduates gaining practical experience, while Junior Developers are full-time employees with more responsibilities and ongoing projects. Internships serve as a stepping stone toward a full developer role, which requires more skills and commitment.

What are popular job titles related to Junior Java Developer Intern jobs in Princeton, NJ?

For Junior Java Developer Intern jobs in Princeton, NJ, the most frequently searched job titles are:

What cities near Princeton, NJ are hiring for Junior Java Developer Intern jobs?

Cities near Princeton, NJ with the most Junior Java Developer Intern job openings:

Junior Java Developer Intern jobs near you
Infographic showing various Junior Java Developer Intern job openings in Princeton, NJ as of August 2026, with employment types broken down into 79% Full Time, 3% Part Time, and 18% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution, with an average salary of $111,981 per year, or $53.8 per hour.