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Junior Java Developer Intern Jobs in New Jersey (NOW HIRING)

Sr Java Developer

Jersey City, NJ · On-site

$110K - $120K/yr

Guide, mentor, and perform code reviews for junior and mid-level developers to ensure code quality and adherence to best practices. Requirements: * Experience in Core Java and related open source ...

Java developer

Princeton, NJ · On-site

$70K - $100K/yr

Minimum 4 years' of experience with Java 7/8, J2EE, Eclipse or similar tool, Spring Boot, Spring ... Be it expert or intern Triunity always always value its own people and give them platform to excel ...

Java developer

Hoboken, NJ · On-site

$70K - $100K/yr

Minimum 4 years' of experience with Java 7/8, J2EE, Eclipse or similar tool, Spring Boot, Spring ... Be it expert or intern Triunity always always value its own people and give them platform to excel ...

Minimum 4 years' of experience with Java 7/8, J2EE, Eclipse or similar tool, Spring Boot, Spring ... Be it expert or intern Triunity always always value its own people and give them platform to excel ...

Minimum 4 years' of experience with Java 7/8, J2EE, Eclipse or similar tool, Spring Boot, Spring ... Be it expert or intern Triunity always always value its own people and give them platform to excel ...

Java Developer (On-Site)

Newark, NJ · On-site

$53.25 - $69/hr

Mentor junior developers and promote engineering best practices. Qualifications: * Bachelor of ... in Java development. * Expert proficiency with Spring Framework and Spring Boot. * Strong ...

RD| Senior Java Developer (NJ)

Passaic, NJ

$59.25 - $75.50/hr

Java Developer Fidelity TalentSource is your destination for discovering your next temporary role ... As a senior technical member of your team, you will guide junior engineers and help develop their ...

Automation Engineering Intern Making Better Happen Our story goes back more than 150 years, tothe ... Junior level standing or higher in course work leading to a Electrical or Chemical Engineering ...

Automation Engineering Intern Making Better Happen Our story goes back more than 150 years, tothe ... Junior level standing or higher in course work leading to a Electrical or Chemical Engineering ...

Process Engineer Intern

Newark, NJ · On-site

$27 - $37/hr

Process Engineer Intern Making Better Happen Our story goes back more than 150 years, tothe windy ... Junior level standing or higher in course work leading to a chemical, Industrial or mechanical ...

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Junior Java Developer Intern information

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.
What are popular job titles related to Junior Java Developer Intern jobs in New Jersey? For Junior Java Developer Intern jobs in New Jersey, the most frequently searched job titles are:
What job categories do people searching Junior Java Developer Intern jobs in New Jersey look for? The top searched job categories for Junior Java Developer Intern jobs in New Jersey are:
What cities in New Jersey are hiring for Junior Java Developer Intern jobs? Cities in New Jersey with the most Junior Java Developer Intern job openings:
Infographic showing various Junior Java Developer Intern job openings in New Jersey as of June 2026, with employment types broken down into 77% Full Time, 15% Part Time, 3% Temporary, and 5% Contract. Highlights an 94% Physical, 3% Hybrid, and 3% Remote job distribution.
Sr Java Developer

Sr Java Developer

Synechron

Jersey City, NJ • On-site

$110K - $120K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 22 days ago


Job description

We are

At Synechron, we believe in the power of digital to transform businesses for the better. Our global consulting firm combines creativity and innovative technology to deliver industry-leading digital solutions. Synechron's progressive technologies and optimization strategies span end-to-end Artificial Intelligence, Consulting, Digital, Cloud & DevOps, Data, and Software Engineering, servicing an array of noteworthy financial services and technology firms. Through research and development initiatives in our FinLabs we develop solutions for modernization, from Artificial Intelligence and Blockchain to Data Science models, Digital Underwriting, mobile-first applications and more. Over the last 20+ years, our company has been honored with multiple employer awards, recognizing our commitment to our talented teams. With top clients to boast about, Synechron has a global workforce of 16,850+, and has 60 offices in 20 countries within key global markets.

Our challenge

We are seeking a Senior Java Developer candidate will be responsible fordesigning, developing, and maintaining complex software applications using Java.

Additional Information*

The base salary for this position will vary based on geography and other factors. In accordance with law, the base salary for this role if filled within Tampa, FL / Jersey City, NJ is$110k - $120k/year & benefits (see below).

The Role

Responsibilities:

  • Software Development Lifecycle: Lead and participate in the entire software development lifecycle (SDLC), from requirements analysis and design to testing, deployment, and maintenance.
  • Coding and Architecture: Design, build, and maintain efficient, reusable, and reliable code in both Java and C#. Translate business requirements into technical solutions and contribute to architectural decisions.
  • Mentorship and Leadership: Guide, mentor, and perform code reviews for junior and mid-level developers to ensure code quality and adherence to best practices.

Requirements:

  • Experience in Core Java and related open source technologies.
  • Very strong Java and advance Java fundamentals.
  • Hands on experience with Java 8 - able to write code using Java 8 features like streams and respective functions.
  • Hands-on experience with developing and implementing REST APIs for the microservices architecture.
  • Good knowledge in Data Structures.
  • Good hands-on experience Spring frameworks (Spring Boot).
  • Good experience developing web services (SOAP and REST).
  • Experience/Knowledge with AWS.

We offer:

  • A highly competitive compensation and benefits package.
  • A multinational organization with 60 offices in 20 countries and the possibility to work abroad.
  • 10 days of paid annual leave (plus sick leave and national holidays).
  • Maternity & paternity leave plans.
  • A comprehensive insurance plan including medical, dental, vision, life insurance, and long-/short-term disability (plans vary by region).
  • Retirement savings plans.
  • A higher education certification policy.
  • Commuter benefits (varies by region).
  • Extensive training opportunities, focused on skills, substantive knowledge, and personal development.
  • On-demand Udemy for Business for all Synechron employees with free access to more than 5000 curated courses.
  • Coaching opportunities with experienced colleagues from our Financial Innovation Labs (FinLabs) and Center of Excellences (CoE) groups.
  • Cutting edge projects at the world's leading tier-one banks, financial institutions and insurance firms.
  • A flat and approachable organization.
  • A truly diverse, fun-loving, and global work culture.

SYNECHRON'S DIVERSITY & INCLUSION STATEMENT

Diversity & Inclusion are fundamental to our culture, and Synechron is proud to be an equal opportunity workplace and is an affirmative action employer. Our Diversity, Equity, and Inclusion (DEI) initiative 'Same Difference' is committed to fostering an inclusive culture - promoting equality, diversity and an environment that is respectful to all. We strongly believe that a diverse workforce helps build stronger, successful businesses as a global company. We encourage applicants from across diverse backgrounds, race, ethnicities, religion, age, marital status, gender, sexual orientations, or disabilities to apply. We empower our global workforce by offering flexible workplace arrangements, mentoring, internal mobility, learning and development programs, and more.


All employment decisions at Synechron are based on business needs, job requirements and individual qualifications, without regard to the applicant's gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law.

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