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

Java Developer

Jersey City, NJ

$53.25 - $69/hr

Skill: Java Developer Must Have Technical/Functional Skills: Enterprise Architecture Design ... Contribute to internal knowledge bases and mentor junior engineers. Technology Evaluation ...

Senior Java Developer

Jersey City, NJ

$59.75 - $76.25/hr

Senior Java Developer Location: Jersey City, NJ Duration: Full Time Senior Java Developer - Cloud ... Proactive problem-solver and mentor to junior developers. * Comfortable leading design reviews and ...

Java Developer

Bedminster, NJ

$52 - $67.25/hr

Java Developer Immediate need for a talented Java Developer with experience in the Telecom Industry ... Guide and mentor junior-level engineers. * Executes tests to compare results with requirements, to ...

Entry Level Java Developer

Iselin, NJ · On-site

$60K - $80K/yr

W2 and Fulltime (No C2C) We are seeking an Junior Level Java Developer with 3-4 years of experience ... Be it expert or intern Triunity always always value its own people and give them platform to excel ...

JAVA Developer

Trenton, NJ · Hybrid

$51.25 - $66.25/hr

JAVA Developer Job ID: 25-10948 Location: Trenton, NJ (hybrid) Duration: 06 months of contract We ... Mentor junior developers and work collaboratively in cross-functional teams * Stay up to date with ...

Java Backend Developer

Bernardsville, NJ

$52.25 - $67.75/hr

Conduct code reviews, mentor junior developers, and uphold engineering standards across the team. REQUIRED QUALIFICATIONS * 9+ years of hands-on Java development experience, including strong ...

: Senior Java Developer

Whippany, NJ

$58 - $73.75/hr

Review code, mentor junior developers, and enforce engineering standards. Quality & Security ... Java 11+, Spring Boot, Spring MVC, Spring Data, Spring Security, microservices architecture, REST ...

Senior Java Developer

Trenton, NJ

$57.50 - $73.25/hr

Senior Java Developer Location: Trenton, NJ Type: FTE, Direct Hire Base Salary Range: 115-135k No ... Mentor junior team members and support knowledge sharing across the team * Drive continuous ...

Senior Java Developer

Camden, NJ · On-site

$145K - $165K/yr

Mentor junior developers and contribute to a culture of technical excellence within your scrum team ... Java monoliths and microservices with Spring and Hibernate. * Infrastructure as Code using ...

Mentor junior developers and contribute to a culture of technical excellence within your scrum team ... Java monoliths and microservices with Spring and Hibernate. * Infrastructure as Code using ...

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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.
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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.

$53.25 - $69/hr

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Posted just now


Job description

Overview:
Job Description
Skill: Java Developer
Must Have Technical/Functional Skills:
Enterprise Architecture Design, Microservices Architecture, API Design & Management, Cloud Platforms (AWS, Azure, GCP), Containerization (Docker, Kubernetes, OpenShift).
Infrastructure as Code (Terraform, Ansible), CI/CD Pipelines (Jenkins, GitLab CI, Azure DevOps).
Event-Driven Architecture, Integration Patterns (ESB, REST, SOAP), Security Architecture (RBAC, OAuth2, TLS, IAM).
Performance Tuning, High Availability Design, Disaster Recovery Planning, DevOps Practices.
Application Modernization, Legacy System Migration, Data Architecture, Database Design (Oracle, PostgreSQL, MongoDB), Messaging Systems (Kafka, RabbitMQ), Architecture Frameworks (TOGAF, Zachman), UML & Architecture Diagrams, Technical Documentation,
Stakeholder Communication, Agile & SAFe Methodologies.
Roles & Responsibilities
Architecture & Design:
Lead the architecture and design of scalable, high-performance Java-based enterprise applications.
Define and enforce coding standards, best practices, and architectural guidelines.
Evaluate and recommend tools, technologies, and processes for optimal solutions.
Technical Leadership:
Mentor and guide development teams through technical challenges.
Conduct code reviews and provide constructive feedback.
Collaborate with stakeholders to gather requirements and translate them into technical solutions.
Development & Integration:
Design and implement microservices and APIs using Spring Boot and related frameworks.
Integrate with cloud platforms and container orchestration tools (Docker, Kubernetes).
Ensure application performance, scalability, and security.
DevOps & Automation:
Work closely with DevOps teams to implement CI/CD pipelines and cloud deployments.
Automate build, deployment, and monitoring processes.
Documentation & Knowledge Sharing:
Maintain detailed documentation of architecture, configurations, and best practices.
Contribute to internal knowledge bases and mentor junior engineers.
Technology Evaluation & Innovation
Stay updated with emerging technologies and assess their relevance to the organization.
Lead proof-of-concept (PoC) initiatives to validate new tools and approaches.
Required Skills & Experience:
10+ years of experience in Java/J2EE development.
Strong expertise in Spring Boot, RESTful APIs, and microservices.
Experience with cloud platforms (AWS, Azure, GCP) and containerization (Docker, Kubernetes).
Solid understanding of design patterns, data structures, and algorithms.
Experience with CI/CD tools and automation.
Excellent problem-solving and communication skills.
Preferred Qualifications:
Certification in Java or cloud technologies.
Experience in BFSI or regulated industries.
Exposure to front-end technologies (Angular/React) is a plus.
Experience with Kafka, RabbitMQ, or other messaging systems.
Skills:
INFRASTRUCTURE AS CODE,TOGAF,POSTGRESQL,RESTFUL APIS,ENTERPRISE ARCHITECTURE,AZURE,CI/CD,DEVOPS,MESSAGING SYSTEMS,AWS,MICROSERVICES ARCHITECTURE,DATA ARCHITECTURE,TERRAFORM,DISASTER RECOVERY PLANNING,UML,GITLAB,DOCKER,ANSIBLE,JAVA,DRIVEN ARCHITECTURE,SPRING BOOT,SOAP,DATABASE DESIGN,KUBERNETES,AGILE,DOCUMENTATION,API DESIGN