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Junior Java Developer Intern Jobs in Newark, NJ (NOW HIRING)

KPF

Data & Systems Developer Intern

New York, NY · On-site

$22 - $25/hr

Role Overview We are looking for a curious and motivated Data & Systems Developer Intern to join ... You will work closely with our AI Systems Engineer and Junior Data & Systems Developer ...

Point72

Quantitative Software Developer Intern

New York, NY · On-site

$21 - $27.50/hr

Significant experience in Python, C++, C, or Java * Serious interest in systems programming (e.g. Linux kernel development, compilers, embedded systems, networking, file systems, debuggers) * In ...

IntraEdge

Software Java Full Stack Engineer II

Manhattan, NY · On-site

$57.50 - $74.25/hr

Looking to hire Technical Lead/Java Full Stack Engineer who has strong front end (ReactJS) and ... Strong background in Agile process and mentoring junior members of the team is critical. Should be ...

IntraEdge

Software Java Full Stack Engineer II

Manhattan, NY · On-site

$57.50 - $74.25/hr

Looking to hire Technical Lead/Java Full Stack Engineer who has strong front end (ReactJS) and ... Strong background in Agile process and mentoring junior members of the team is critical. Should be ...

BC Forward

Senior Java Backend Developer

Jersey City, NJ · On-site

$68.25/hr

Perform code reviews, mentor junior developers, and drive engineering excellence. Required Skills & Qualifications: 8+ years of hands-on development experience with Java/J2EE. Expertise with Spring ...

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

Junior Java Developer Intern information

See Newark, NJ salary details

$63.8K

$111.7K

$168.4K

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

As of Jul 8, 2026, the average yearly pay for junior java developer intern in Newark, NJ is $111,709.00, according to ZipRecruiter salary data. Most workers in this role earn between $79,000.00 and $111,400.00 per year, depending on experience, location, and employer.

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 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 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 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.
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Junior Java Developer Intern jobs near you

Volatility Trading Developer Intern (Summer 2027)

Walleye Capital Internships

New York, NY • On-site

$14K/mo

Temporary, Internship

Re-posted 7 days ago

Job description

Position: Volatility Trading Developer Intern (Summer 2027)
Location: New York, NY
Firm Overview:
Walleye Capital is a ~$16 billion+ multi-strategy investment firm headquartered in New York City, with over 350 employees across five main offices. Founded in 2005 as an options market maker, we have organically grown into a global investment firm specializing in Fundamental Equities, Quant, and Volatility strategies.
At Walleye, we continuously innovate by focusing on three core principles: approach, platform, and people. Our approach is to allocate risk capital where we believe there is not only a compelling opportunity, but also a clear ability to define our tangible edge. We seek to leverage the mathematical benefits of diversification while utilizing sophisticated infrastructure, technology, and our balance sheet to do so in a structurally advantageous way. Our platform, developed over two decades, is central to our operations, evolving alongside business complexities and technological advancements to support our team's success. Our people are our greatest asset, and we've cultivated an environment that attracts top talent by balancing autonomy with collaboration, and intelligence with integrity.
Position Overview:
Walleye Capital is seeking Volatility Trading Developer Interns for Summer 2027 to support the Equity Volatility business. As an intern, you'll work closely with Volatility traders, software developers, quants, and operational teams to help develop and optimize tools that support daily trading operations and infrastructure. You'll tackle real-world challenges, help ideate and design creative solutions, and learn how a volatility trading business functions from end-to-end. This internship offers the opportunity to enhance your skill set through hands-on, high-impact projects and direct mentorship.
The internship is 10 weeks in length and will take place in New York City from June to August 2027.
Responsibilities:
  • Collaborate with traders to help implement and scale trading strategies, build bespoke datasets, automate execution workflows, and develop tools that integrate trading signals into the execution stack.
  • Design and maintain tools supporting daily trading inputs, including earnings, dividends, interest rates, and quant model parameters; design and manage critical trade lifecycle processes, including Early Exercise and Expiration workflows.
  • Assist in modernizing legacy systems across risk, P&L, operations, execution, and trading system monitoring to improve reliability, scalability, and performance.
  • Explore the financial and technical context of project work through research and inquiry, ensuring design decisions reflect the real-world domain.
  • Utilize AI to drive efficiency, enhance processes, and improve workflows.

We seek individuals who:
  • Are pursuing an undergraduate or non-MBA master's degree in mathematics, computer science, engineering, or a related field, with an expected graduation date between December 2027 and June 2028.
  • Demonstrate quantitative and analytical skills, with a strong foundation in programming (Python, Java, or C++), problem-solving capabilities, and a passion for technological innovation; leverage AI tools to enhance productivity, drive efficiency, and improve workflows.
  • Are self-motivated, adaptable, and detail-oriented, with the ability to manage multiple priorities in a fast-paced environment.
  • Communicate ideas clearly and effectively, both in writing and verbally, while maintaining accuracy and thoroughness.
  • Thrive in a collaborative culture that values intellectual humility, creativity, and continuous learning.

Pay Range:
The expected monthly pay for this position is $14,000/month. Interns will also receive a $10,000 housing stipend and transportation to and from New York City (domestic travel only).
The deadline to apply for this opportunity is Friday, July 31 at 11:59pm ET. For questions about the process, please review our Campus FAQs.
Walleye is an equal opportunity employer. Individuals seeking employment are considered without regard to race, color, religion, national origin, age, sex, marital status, ancestry, physical or mental disability, veteran status, sexual orientation, or any other category protected by applicable law.
If you require a reasonable accommodation to participate in any part of our hiring process, please contact HR@walleyecapital.com.
Personal data you provide will be processed in accordance with Walleye Capital LLC's Privacy Notice available at: https://www.walleyecapital.com/.

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