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Java Programming Internship Jobs in Princeton, NJ

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 ...

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 ...

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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Java Programming Internship information

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$81

How much do java programming internship jobs pay per hour?

As of Jun 18, 2026, the average hourly pay for java programming internship in Princeton, NJ is $59.43, according to ZipRecruiter salary data. Most workers in this role earn between $51.39 and $66.54 per hour, depending on experience, location, and employer.

What types of projects can I expect to work on during a Java Programming Internship?

During a Java Programming Internship, you will likely contribute to a variety of projects such as developing web applications, automating business processes, or assisting with testing and debugging existing Java code. Interns often work under the guidance of senior developers, participating in code reviews and collaborating with cross-functional teams like QA and UI/UX. These projects are designed to help you apply classroom knowledge to real-world challenges, build your coding portfolio, and develop teamwork and communication skills essential for a career in software development.

What is a Java Programming Internship?

A Java Programming Internship is a temporary position designed for students or recent graduates to gain practical experience in software development using the Java programming language. Interns typically work under the supervision of experienced developers, assisting with coding, debugging, testing, and maintaining Java applications. This internship provides hands-on exposure to real-world projects and development tools, helping interns build their technical skills and understanding of professional software engineering practices. Successful completion of a Java programming internship can enhance a candidate's resume and improve their prospects for future employment in software development roles.

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

To thrive as a Java Programming Intern, you need a solid understanding of Java fundamentals, object-oriented programming concepts, and basic software development principles, ideally supported by coursework or personal projects. Familiarity with tools like Eclipse or IntelliJ IDEA, version control systems such as Git, and build tools like Maven is typically expected. Strong problem-solving skills, eagerness to learn, and effective teamwork and communication abilities help interns stand out. These skills and qualities are crucial for contributing effectively to projects, adapting to real-world development environments, and growing as a software professional.

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

AspectJava Programming InternshipJava Developer
Required CredentialsTypically pursuing or recent graduate in Computer Science or related fieldBachelor's degree in Computer Science or related, with experience
Work EnvironmentEntry-level, training-focused, often in tech companies or software firmsFull-time professional role, involved in designing, coding, and maintaining Java applications
Employer & Industry UsageInternships offered by tech companies, startups, and software firmsFull-time employment in similar industries, including finance, tech, and enterprise software

In summary, a Java Programming Internship is an entry-level, training-focused position for students or recent graduates, while a Java Developer is a full-time professional role requiring more experience and responsibility. Internships serve as a stepping stone into a Java development career, providing practical skills and industry exposure.

What cities near Princeton, NJ are hiring for Java Programming Internship jobs? Cities near Princeton, NJ with the most Java Programming Internship job openings:

Lead Java Developer, FX Engineering

London Stock Exchange Group

New York, NY

$147K - $245K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 7 days ago


Job description

LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a commitment to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs. It's how we've contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years.

We are looking to hire a highly skilled hands on java engineer to help design, build, and operate large-scale trading platforms. The group is responsible for FX trading and related services. Low latency experience needed.

We value technical aptitude, innovative thinking, great learning and teamwork ability.

Responsibilities
  • Closely working with architects and other team members and groups to develop and build complex applications that meet the needs of FX engineering.

  • Design, development and support of trading venue.

  • Ongoing support and development of cloud services including working with product development groups to build cloud aware applications

  • Develop automated processes to prevent, identify, and fix problems that impact service availability

  • Identify and deliver improvements across a broad range of areas such as cost savings, security, ease of use, & reliability.

Required Skills
  • Strong Java programming skills and experience writing clean code

  • Data structures and Algorithms

  • Expertise in concurrency and performance optimization,

  • Deep understanding of system architecture and memory management.

  • Proficient in profiling tools

  • Experience with specialized libraries and frameworks for low-latency applications

  • Knowledge of network protocols (TCP, UDP, HTTP), network performance, and techniques for optimizing network communication.

  • Proven track record of delivering goals

  • Knowledge & Experience of modern agile development methodologies

  • Exposure to DevOps practices and automation of software testing, delivery, and infrastructure changes

  • Self-motivated and self-directed, able to work effectively in a globally distributed team, managing multiple priorities while collaborating with cross-functional teams

  • Proven ability to investigate complex issues spanning multiple technologies and drive to completion

Desired Skills
  • Experienced in cloud technologies

  • Experience with SQL and NoSQL

  • Strong passion for technology, a willingness to learn new skills

  • Excellent communication (written and verbal) and interpersonal skills

Career Stage:

Manager

Compensation/Benefits Information:

LSEG is committed to offering competitive Compensation and Benefits. The anticipated base salary for this position is $147,500 - $245,900.Please be aware base salary ranges may vary by geographic location, city and state. In addition to our offered base salary, this role is eligible for our Annual Incentive Plan (AIP/"bonus plan"). Target AIP rates will be commensurate with role level and posted career stage. Individual salary will be reflective of job related knowledge, skills and equivalent experience. LSEG roles (excluding internships and part-time roles of less than 20 hours per week) are typically eligible for inclusion in our LSEG Benefits program, which includes offerings of: Annual Wellness Allowance, Paid time-off, Medical, Dental, Vision, Flex Spending & Health Savings Options, Prescription Drug plan, 401(K) Savings Plan and Company match. LSEG's Benefits plan also includes basic life insurance, disability benefits, emergency backup dependent care, adoption assistance commuter assistance etc.

London Stock Exchange Group (LSEG) Information:

Join us and be part of a team that values innovation, quality, and continuous improvement. If you're ready to take your career to the next level and make a significant impact, we'd love to hear from you.

LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.

Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.

Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce.

We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone's race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs.

You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. Colleagues can get involved through fundraising and volunteering.

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.

Please take a moment to read this privacy notice carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it's used for, and how it's obtained, your rights and how to contact us as a data subject.

If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.