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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 ...

Java Application Developer Company: Incedo Inc. Location: Dallas, TX / New Jersey (Hybrid) About ... Mentor junior developers and provide technical leadership. * Collaborate closely with QA, DevOps, ...

New

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 ...

We are seeking a seasoned Java Lead Developer with extensive banking domain experience to lead the ... Review code, mentor junior team members, and promote adherence to development standards.

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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:
Senior Java Developer/AWS

Senior Java Developer/AWS

Cognizant Technology Solutions

Mount Laurel, NJ • On-site

$56.75 - $72.25/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 26 days ago


Cognizant rating

7.4

Company rating: 7.4 out of 10

Based on 85 frontline employees who took The Breakroom Quiz

41st of 58 rated business consultants


Job description

Description - External
Senior Java Developer/AWS
Cognizant's Digital Engineering practice is seeking a highly qualified Senior Java Developer/AWS (Hybrid) with 8+ year of experience developing and building high-performing, scalable, enterprise applications. You will be part of a digital software team that works on high-demand applications. Our engineers have a passion for high-quality, reliable and maintainable code. You will work side by side with product managers, designers, and clients, making decisions together to quickly deliver valuable working software to clients and their users. Our engineers are agile and retrospective, and not afraid to identify what we're doing wrong, so we can fix it, and what we're doing right, so we can improve on it. Above all, we judge success by the success of our team and the happiness of our customers.
Cognizant Digital Engineering If you're like us, you've got big ideas. At Cognizant, we're exploring new ideas every day. We help industry leading companies reinvent their business models and innovate products that create new value-by connecting people with things, insights and experiences. Cognizant digital engineering designs, engineers and delivers digital products and experiences that drive digital-first business models. We offer the most comprehensive digital engineering expertise and client-centric methodology for sustainable innovation.
Location: Mount Laurel - NJ (Hybrid)
*You must be legally authorized to work in the USA without the need for employer sponsorship, now or at any time in the future*
Responsibilities:
• Develop and maintain high-quality software solutions using Java, Spring Boot, AWS, JavaScript, and MySQL to meet business requirements.
• Collaborate with cross-functional teams to design and implement scalable, high-performance system architectures.
• Troubleshoot complex technical issues, ensuring system reliability, security, and minimal downtime.
• Write clean, efficient, and well-documented code, conduct code reviews, and follow best practices for quality and consistency.
• Participate in Agile processes, mentor junior developers, and work with stakeholders to translate requirements into technical solutions, including optimization of databases and domain-specific solutions (Cards & Payments).
Qualifications:
• 8+ years of experience with Strong proficiency in Java, Spring Boot, AWS, JavaScript, SQL, and MySQL, with hands-on experience building scalable applications.
• Solid understanding of software development lifecycle (SDLC), Agile methodologies, and secure coding best practices.
• Excellent problem-solving and analytical skills, with the ability to troubleshoot complex technical issues and translate business requirements into technical solutions.
• Strong communication and collaboration skills, with experience working across cross-functional teams and mentoring junior developers.
• Experience with database optimization, code quality practices (code reviews, documentation), and domain knowledge in Cards & Payments is highly desirable.
Salary and Other Compensation:
Applications will be accepted until June 15th, 2026.
The annual salary for this position is between $ 68,422 $ to 131,500 depending on experience and other qualifications of the successful candidate.
This position is also eligible for Cognizant's discretionary annual incentive program, based on performance and subject to the terms of Cognizant's applicable plans.
Benefits: Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:
  • Medical/Dental/Vision/Life Insurance
  • Paid holidays plus Paid Time Off
  • 401(k) plan and contributions
  • Long-term/Short-term Disability
  • Paid Parental Leave
  • Employee Stock Purchase Plan

Disclaimer: The salary, other compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law
Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.
About Cognizant:
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization's unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant.
Additional employment information
Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.
Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.
Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.
If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email [email protected] for roles based in the Americas or [email protected] for roles based in India.

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