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Java Programmer Internship Jobs in Brooklyn, NY (NOW HIRING)

Quantitative Software Developer Intern

New York, NY ยท On-site

$21 - $27.50/hr

We are seeking a small number of highly talented interns to assist in the development, optimization ... Significant experience in Python, C++, C, or Java * Serious interest in systems programming (e.g.

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Java Programmer Internship information

See Brooklyn, NY salary details

$38

$58

$73

How much do java programmer internship jobs pay per hour?

As of Jun 18, 2026, the average hourly pay for java programmer internship in Brooklyn, NY is $58.02, according to ZipRecruiter salary data. Most workers in this role earn between $49.81 and $65.96 per hour, depending on experience, location, and employer.

What is a Java Programmer Internship job?

A Java Programmer Internship is a temporary position designed for students or entry-level developers to gain hands-on experience in Java programming. Interns typically work on real-world projects, assisting in coding, debugging, testing, and maintaining Java applications. They collaborate with senior developers, learn industry best practices, and enhance their technical skills. This internship helps build a strong foundation for a career in software development by providing practical exposure to Java frameworks, tools, and development environments.

What are the key skills and qualifications needed to thrive in the Java Programmer Internship position, and why are they important?

To thrive as a Java Programmer Intern, you should have a solid understanding of Java programming fundamentals, object-oriented design, and basic data structures, usually supported by coursework or academic projects. Familiarity with development tools such as Eclipse or IntelliJ IDEA, source control systems like Git, and basic knowledge of SQL or web technologies is often expected. Strong problem-solving skills, eagerness to learn, attention to detail, and effective communication will help you stand out in a collaborative environment. These abilities ensure you can contribute to real-world coding tasks, adapt quickly to new challenges, and integrate smoothly within a team.

What kinds of projects or tasks do Java Programmer Interns typically work on?

As a Java Programmer Intern, you can expect to work on a variety of tasks such as writing and testing code, fixing bugs, assisting with feature development, and supporting larger software projects under the guidance of experienced developers. Interns often participate in code reviews and team meetings to understand workflow and best practices. You'll likely have opportunities to collaborate with team members in both individual and group assignments, allowing you to apply your academic knowledge to practical scenarios. This hands-on experience is designed to help you build your programming skills and gain insight into professional software development processes.

What cities near Brooklyn, NY are hiring for Java Programmer Internship jobs? Cities near Brooklyn, NY with the most Java Programmer Internship job openings:

Software Engineer - 2027 Interns

Ellipsis Labs, Inc

New York, NY โ€ข On-site

Internship

Posted 23 days ago


Job description

Ellipsis Labs is a profitable, venture-backed New York-based startup building sustainable and efficient DeFi protocols on high-throughput decentralized infrastructure. Our long-term goal is to build a better financial system.
Our flagship product, Phoenix Perpetuals, brings professional-grade perpetual futures to Solana. Building on our experience developing efficient markets, Ellipsis Labs also operates SolFi, a proprietary automated market maker that provides efficient liquidity for key trading pairs. Our foundational product, Phoenix Legacy, is a limit order book on the Solana blockchain that established our expertise in operating high-performance markets. Combined, these products have facilitated over $285B in trading volume across Solana markets.
Ellipsis Labs is seeking software engineering summer interns to join our team in 2027. As an early-stage startup, we appreciate bright generalists who can iterate and ship quickly. In this role, you will:
  • Build real product features and/or platform components across the stack, front end, back end, infra, or on-chain, based on your skills and interest
  • Own scoped projects end-to-end: problem definition โ†’ design โ†’ implementation โ†’ testing โ†’ deployment โ†’ monitoring
  • Collaborate with design and engineering to deliver fast, reliable, and secure experiences
  • Instrument and improve performance, reliability, and observability; write clear tests and documentation
Qualifications
Required
  • Hands-on experience building software (courses, personal projects, research, or internships) in one or more languages such as TypeScript/JavaScript, Python, Rust, Java, C/C++; you write clear, tested code
  • Solid CS fundamentals (data structures, algorithms, systems thinking) and familiarity with Git and basic debugging
  • Ability to make informed trade-offs with business context; high agency and a team-first mindset
  • Curiosity about DeFi/crypto (prior domain experience not required)

Preferred
  • Experience in one or more areas: full-stack web (React/Javascript), backend APIs/services, infrastructure/DevOps (Docker, CI/CD, cloud), or on-chain/low-level systems
  • Familiarity with blockchain technology (Solana a plus)
  • Interest or experience in fintech/trading
  • Rust or TypeScript proficiency