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Java Full Stack Developer Intern Jobs in Fairfield, NJ

CYNET SYSTEMS

Java Full Stack Developer

Whippany, NJ · On-site

$65 - $70/hr

Java. * RESTful APIs. * Microservices. * SDLC. * System Design. * Architecture. * Unit Testing. * Integration Testing. * Automated Testing. * Agile. * DevOps. * CI/CD. * Cloud Enablement.

IntraEdge

Software Java Full Stack Engineer II

Manhattan, NY

$57.50 - $74.25/hr

Looking to hire Technical Lead/Java Full Stack Engineer who has strong front end (ReactJS) and backend services (Java and JavaScript) Candidate should be comfortable doing feature design/architecture ...

CYNET SYSTEMS

Java Full Stack Developer

Whippany, NJ · On-site

$65 - $70/hr

Java. RESTful APIs. Microservices. SDLC. System Design. Architecture. Unit Testing. Integration Testing. Automated Testing. Agile. DevOps. CI/CD. Cloud Enablement. Qualification And Education: Strong ...

HCL Global Systems Inc

JAVA DEVELOPER

Jersey City, NJ · On-site

$55.75 - $72.25/hr

Required : • Java Full stack developer to implement Application enhancements in Payment Area. • As a Full stack developer involve all SDLC phases. • Should have strong knowledge of Core Java ...

Inframatix Inc

Lead Java Full Stack Developer

Wilmington, DE · On-site

$51 - $65.75/hr

Lead Java Full Stack Developer Location: Wilmington, DE Duration: 2+ years Required Experience "Minimum 10 to 15 Years years Overview The people they are seeking, now, will be part of their ...

IntraEdge

Software Java Full Stack Engineer II

Manhattan, NY

$57.50 - $74.25/hr

Looking to hire Technical Lead/Java Full Stack Engineer who has strong front end (ReactJS) and backend services (Java and JavaScript) Candidate should be comfortable doing feature design/architecture ...

Inframatix Inc

Sr Java Full Stack Developer

Wilmington, DE · On-site

$51 - $65.75/hr

Job Title: Sr Java Full Stack Developer Location: Wilmington, DE Duration: 2+ years Required Experience "Minimum 10+ years Overview The people they are seeking, now, will be part of their Enterprise ...

StradIT

Java Full Stack Developer

Jersey City, NJ · On-site

$54.75 - $70.75/hr

Acts as a go‑to engineer within the squad, but is not yet an enterprise or architectural ... Strong proficiency in Java and Spring Boot. * Designs and implements production‑grade REST APIs ...

Next Step Systems

Full Stack Developer

New York, NY · On-site

New York City NY Jobs, Full Stack Developer, Java, Spring Framework, Angular, Oracle, MSSQL, Agile, Software Engineer, Software Developer, Programming, Programmer Analyst, New York Recruiters ...

Next Step Systems

Full Stack Developer

Weehawken, NJ · On-site

Weehawken NJ Jobs, Full Stack Developer, Java, Spring Framework, Angular, Oracle, MSSQL, Agile, Software Engineer, Software Developer, Programming, Programmer Analyst, New Jersey Recruiters ...

StradIT

Java Full Stack Developer

Jersey City, NJ

$54.75 - $70.75/hr

Acts as a goto engineer within the squad, but is not yet an enterprise or architectural authority ... Strong proficiency in Java and Spring Boot. * Designs and implements productiongrade REST APIs ...

Ampcus Inc

Java Full Stack Developers

Manhattan, NY · On-site

$57.75 - $74.50/hr

They are in search of a highly motivated candidate to join their talented team as a Java Full Stack Developer. The role involves working on system design, application development, and ensuring ...

Ampcus Inc

Java Full Stack Developers

Wilmington, DE · On-site

$51 - $65.75/hr

They are in search of a highly motivated candidate to join their talented team as a Java Full Stack Developer. The role involves working on system design, application development, and ensuring ...

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All JobsJava Full Stack Developer Intern JobsJava Full Stack Developer Intern Jobs in Fairfield, NJ

Java Full Stack Developer Intern information

See Fairfield, NJ salary details

$11

$59

$79

How much do java full stack developer intern jobs pay per hour?

As of Aug 21, 2026, the average hourly pay for java full stack developer intern in Fairfield, NJ is $59.21, according to ZipRecruiter salary data. Most workers in this role earn between $51.49 and $66.39 per hour, depending on experience, location, and employer.

What does a Java Full Stack Developer Intern do?

A Java Full Stack Developer Intern assists in the development of both the front-end and back-end components of web applications using Java and related technologies. They typically work under the guidance of senior developers to write code, troubleshoot issues, and learn the software development lifecycle. Responsibilities may include building user interfaces, creating server-side logic, integrating databases, and testing new features. This role is ideal for students or recent graduates seeking hands-on experience in full stack development.

What are the key skills and qualifications needed to thrive as a Java Full Stack Developer Intern?

To thrive as a Java Full Stack Developer Intern, you need a solid understanding of Java, front-end technologies like HTML, CSS, and JavaScript, and basic software development principles, ideally supported by coursework or relevant projects. Familiarity with development tools such as Eclipse or IntelliJ IDEA, version control systems like Git, and frameworks like Spring Boot and React is typically expected. Strong problem-solving skills, attention to detail, and effective communication help interns collaborate and learn quickly in a team environment. These skills and tools are essential for building robust applications and contributing meaningfully to development projects.

What are some common challenges faced by Java Full Stack Developer Interns, and how can they be effectively addressed?

Java Full Stack Developer Interns often encounter challenges such as balancing work between front-end and back-end development, managing time across multiple tasks, and adapting to fast-paced agile environments. It's important to communicate regularly with mentors and team members for guidance, seek feedback on code reviews, and utilize online resources to strengthen both Java and front-end framework skills. Embracing a proactive learning approach and collaborating closely with other developers can help interns overcome initial hurdles and build confidence in contributing to real projects.

What is the difference between Java Full Stack Developer Intern vs Java Backend Developer Intern?

AspectJava Full Stack Developer InternJava Backend Developer Intern
Required SkillsJava, JavaScript, HTML, CSS, frameworks like React or AngularJava, Spring Boot, REST APIs, databases
Work EnvironmentFront-end and back-end development, UI/UX focusBack-end development, server-side logic
Industry UsageWeb applications, enterprise solutionsAPI services, server-side applications

The main difference is that a Java Full Stack Developer Intern works on both front-end and back-end components, while a Java Backend Developer Intern focuses solely on server-side development. Both roles require Java skills, but the full stack role demands knowledge of front-end technologies and UI design, making it broader in scope.

What are popular job titles related to Java Full Stack Developer Intern jobs in Fairfield, NJ?

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What job categories do people searching Java Full Stack Developer Intern jobs in Fairfield, NJ look for?

The top searched job categories for Java Full Stack Developer Intern jobs in Fairfield, NJ are:

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Cities near Fairfield, NJ with the most Java Full Stack Developer Intern job openings:

Java Full Stack Developer Intern jobs near you

Java Full Stack Developer

CYNET SYSTEMS

Whippany, NJ • On-site

$65 - $70/hr

Contractor

Medical, Dental, Vision, Life, Retirement

Posted 23 days ago

Job description

Job Overview:
Pay Range: $65.00hr - $70.00hr
Requirement/Must Have:
  • Proficiency in Java-based application development and services.
  • Experience developing RESTful APIs and microservices for enterprise applications.
  • Knowledge of the Software Development Life Cycle (SDLC).
  • Ability to analyze business requirements and translate them into technical solutions.
  • Experience with unit, integration, and automated testing.
  • Familiarity with CI/CD pipeline implementation and automation.
  • Experience with cloud-based deployments and infrastructure collaboration.
Responsibilities:
  • Design, develop, test, and deploy Java-based applications and services.
  • Write clean, maintainable, and efficient code following coding standards and best practices.
  • Develop RESTful APIs and microservices to support enterprise applications.
  • Participate in all phases of the Software Development Life Cycle (SDLC).
  • Analyze business requirements and translate them into technical solutions.
  • Contribute to application architecture and design discussions.
  • Develop scalable, secure, and high-performance systems.
  • Implement design patterns and best practices for enterprise applications.
  • Develop unit, integration, and automated tests.
  • Troubleshoot, debug, and resolve application defects.
  • Perform code reviews and ensure adherence to coding standards.
  • Support performance tuning and optimization efforts.
  • Work closely with Product Owners, Business Analysts, Architects, QA teams, and DevOps engineers.
  • Participate in Agile ceremonies, including sprint planning, stand-ups, retrospectives, and backlog refinement.
  • Provide technical guidance and mentorship to junior developers.
  • Support CI/CD pipeline implementation and automation.
  • Participate in application deployments and production support activities.
  • Monitor application health and troubleshoot production issues.
  • Collaborate with infrastructure teams to optimize cloud-based deployments.
Skills:
  • Java.
  • RESTful APIs.
  • Microservices.
  • SDLC.
  • System Design.
  • Architecture.
  • Unit Testing.
  • Integration Testing.
  • Automated Testing.
  • Agile.
  • DevOps.
  • CI/CD.
  • Cloud Enablement.
Qualification And Education:
  • Strong verbal and written communication skills.
  • Ability to communicate effectively with stakeholders.
 

Benefits
 
Our Benefits Include:
  • Medical, Dental, and Vision Insurance
  • 401(k) Retirement Plan
  • Health Savings Account (HSA)
  • Disability Insurance (Short-Term and Long-Term)
  • Life and AD&D Insurance
  • Paid Sick Leave (where required by applicable state or local law)
  • Supplemental Insurance Plans
  • Identity Theft Protection
  • Pet Insurance
  • Employee Wellness Programs
  • Employee Assistance Program (EAP)
  • Career Growth and Professional Development Opportunities
Disclaimer: Benefits eligibility, accrual rates, and usage limits may vary based on employment status, length of service, and work location. Paid Sick Leave is provided in strict accordance with applicable state and municipal mandates. Cynet Systems Inc. reserves the right to modify, amend, or terminate any benefit plans at any time in accordance with applicable laws.

About Cynet Systems

Founded in 2010 and headquartered in the Washington, DC metro area, Cynet Systems Inc. is a leading technology staffing and workforce solutions company serving Fortune 500 companies, government agencies, and enterprise organizations across the United States and Canada. We deliver agile, scalable talent solutions across IT, engineering, life sciences, clinical, and professional staffing, powered by a high-performing recruitment engine operating across North America and Asia.
As a nationally and locally certified Minority Business Enterprise (MBE), Cynet Systems is committed to helping organizations build high-performing teams while empowering professionals to grow rewarding careers. Our organization is certified to ISO 9001, ISO 14001, ISO 27001, and SOC 2 Type II standards, reflecting our commitment to quality, security, operational excellence, and customer success.
Cynet Systems logo

About Cynet Systems

Sourced by ZipRecruiter

Cynet Systems Inc is a staffing and recruiting corporation nestled in Ashburn, VA, USA. Established in 2010, the company operates within the Information Technology and Services sector, specializing in providing effective workforce solutions to different business needs, including IT consulting, direct hire, and contract staffing services. Through the years, Cynet Systems has built an impressive portfolio, going beyond borders and expanding its operations internationally in Canada and India. Rooted in its core values of teamwork, leadership, and commitment, Cynet Systems helps businesses unlock their full potential by providing versatile and competent professionals that perfectly align with their needs. Fueled by their unwavering mission to deliver top-tier talent to businesses worldwide, Cynet Systems garnered various recognitions including SIA's fastest-growing staffing firms and Best Place to Work in Virginia for 2019.

Industry

It services

Company size

501 - 1,000 Employees

Headquarters location

Sterling, VA, US

Year founded

2010

Social media

Twitter

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