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Junior Java Developer Jobs in Iselin, NJ (NOW HIRING)

Photon

Java Developer

Berkeley Heights, NJ

$53.25 - $69/hr

We are hiring Java Developer to join our Digital Engineering team. Who are we? For the past 20 years, we have powered many Digital Experiences for the Fortune 500. Since 1999, we have grown from a ...

Avani Technology Solutions, Inc.

Java Developer

Brooklyn, NY · On-site

$55.50 - $71.75/hr

Role: Java Developer Location: Brooklyn, NY. Duration: 6+ Months Note: In person Interview Only. * Java Developer with Hand on Experience minimum 4 - 5 Years . * Hands on experience in web ...

ACI Infotech

Java Developer

Somerset, NJ · On-site

$54 - $69.75/hr

Java Developer Location: New Jersey Mode: Hybrid Duration: FULL TIME Key Skills: Java SQL and Azure / AWS We are seeking an exceptional Java Developer to join our team, someone who is dedicated to ...

Frontier Technologies LLC

Java Developer

Middletown, NJ · On-site

$52 - $67.25/hr

Java Developer Location : Middletown, NJ Duration : 2-3 years + extensions Must-have 5-8 years of experience with Back-End Java Development Extensive Java programming experience Experience with Maven ...

Sarian, Inc.

Java Developer

Manhattan, NY · On-site

$56.25 - $72.75/hr

Core Java Developer having experience working with cloud migration projects. * Strong Core Java Developer with Azure/AWS experience. * Working experience with Key Vault (HashiCorp / Azure / AWS)

Frontier Technologies LLC

Java Developer

Middletown, NJ · On-site

$52 - $67.25/hr

Java Developer Location : Middletown, NJ Duration : 2-3 years + extensions Must-have 5-8 years of experience with Back-End Java Development Extensive Java programming experience Experience with Maven ...

Precision Technologies Corp

Java Developer

New York, NY · On-site

$55.75 - $72.25/hr

As a Java Developer in the Equities domain, candidate will design, develop, and maintain Java-based systems for equities trading, focusing on backend development, potentially including front-end ...

Apex Informatics

Java Developer

Jersey City, NJ · On-site

$55.75 - $72.25/hr

Java Developer Location: Jersey City, NJ ( 3 days onsite 2 days remote) look for nearby Candidates ( Only W2 required) Must Have Skills: Java Developer with Market data (Refinitiv, Bloomberg)/Trading ...

Noblesoft Technologies

Java Developer

New York, NY · On-site

$55.75 - $72.25/hr

Java Developer Location: New York City, NY Key Responsibilities * Design, develop, and maintain applications using Java/J2EE * Develop and maintain RESTful web services and APIs * Work with ...

Redolent, Inc

Java Developer

Hoboken, NJ

$55.75 - $72.25/hr

Java Developer LOCATION: Hoboken NJ Duration: 6 to 12+ Months Rate: DOE Note: Job Duties: Description: Designs, develops, and implements web-based Java applications to support business requirements.

Tech Tammina LLC

Java Developer

Jersey City, NJ · On-site

$53.25 - $69/hr

Java Developer Location: Dallas, TX / Tampa, FL / Jersey City, NJ- Hybrid Duration: 6-12 Months C2H Rate: Market Only W2 USC/ GC F2F is must Overview: We are seeking a Java Developer to design ...

Kanak Elite Services Inc

Java Developer

New York, NY · On-site

$55.75 - $72.25/hr

Java Developer Location : New York City 10019 - Hybrid - 3 days/week LOCALS Duration : 12 months contract Local candidates are required, especially those who are available for In-Person Interviews.

Seven Seven Software

Java Developer

New York, NY · On-site

$55.75 - $72.25/hr

Previous work experience as an Java Developer * Proficient in writing efficient Java code. * Knowledge of Java Frameworks such as Spring, Hibernate * Knowledge of messaging/streaming systems will be ...

Okaya Corp.

Java Developer

Manhattan, NY · On-site +1

$60/hr

Java Developer Location: NY (Hybrid) Industry: Banking & Financial Services End client: BNYM Rate: $60/hr Independent visa(GC or USC) Experience: 10+ years About the Role AMS LLC is seeking a highly ...

Siri InfoSolutions Inc

Java Developer

Manhattan, NY · On-site

$56.25 - $72.75/hr

Java Developer Analyst Tech Stack/Requirements: * Looking for a strong java developer, the role is all back end. * Focused on someone who comes from financial services (ideally an Equities/Front ...

Okaya Corp.

Java Developer

Manhattan, NY · On-site +1

$60/hr

Java Developer Location: NY (Hybrid) Industry: Banking & Financial Services End client: BNYM Rate: $60/hr Independent visa(GC or USC) Experience: 10+ years About the Role AMS LLC is seeking a highly ...

Staffingine LLC

Java Developer

New York, NY · On-site

$55.75 - $72.25/hr

Java Developer Job Location: NYC, NY Job Type: Contract * Handson Coding design and testing of changes in the Rates and Credit eTrading platform * Changes including ECN connectivity Pricing RFQ ...

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Junior Java Developer information

See Iselin, NJ salary details

$61.9K

$108.5K

$163.5K

How much do junior java developer jobs pay per year?

As of May 31, 2026, the average yearly pay for junior java developer in Iselin, NJ is $108,480.00, according to ZipRecruiter salary data. Most workers in this role earn between $76,700.00 and $108,200.00 per year, depending on experience, location, and employer.

What Does a Junior Java Developer Do?

Junior Java developers are entry-level programmers who are part of a team of coders and developers. They work on both front-end and back-end codes to build an application. Being a junior Java developer requires extensive knowledge of coding and the program language JavaScript to develop and troubleshoot products. As a junior Java developer, you run tests to pinpoint errors, migrate code and data, and ensure the program is integrated with other company developments.

What are the key skills and qualifications needed to thrive as a Junior Java Developer, and why are they important?

A Junior Java Developer should have a solid understanding of Java programming, object-oriented principles, and basic software development concepts, often supported by a relevant degree or coding bootcamp. Familiarity with tools such as IntelliJ IDEA or Eclipse, version control systems like Git, and frameworks like Spring Boot is typically expected. Strong problem-solving abilities, attention to detail, and effective teamwork are important soft skills in this role. These competencies enable efficient code development, smooth collaboration, and the ability to quickly adapt to new technologies and project requirements.

What are some common challenges a Junior Java Developer might face during their first year, and how can they overcome them?

Junior Java Developers often encounter challenges such as understanding large codebases, adapting to agile development processes, and managing task priorities. To overcome these hurdles, it’s helpful to proactively seek mentorship from senior developers, regularly review documentation, and participate in code reviews. Effective communication with team members also accelerates learning and helps clarify requirements or technical uncertainties. Embracing continuous learning through online resources and hands-on projects will further strengthen your skills and confidence.

What are Junior Java Developers?

Junior Java Developers are entry-level software engineers who specialize in building and maintaining applications using the Java programming language. They typically work under the supervision of more experienced developers and are responsible for writing code, debugging, and participating in code reviews. Their tasks may also include testing software, learning new frameworks, and assisting with the design and implementation of features. Junior Java Developers usually have foundational knowledge of Java and related technologies, and they are eager to develop their skills through hands-on experience.

Will AI replace Java devs?

AI is unlikely to fully replace Java developers, as their role involves complex problem-solving, system design, and understanding business needs that AI cannot fully replicate. Instead, AI tools can assist Java developers by automating repetitive tasks and improving productivity, making their skills more valuable. Continuous learning and adapting to new technologies remain important for Java developers to stay relevant in the evolving tech landscape.

What is the difference between Junior Java Developer vs Java Developer?

AspectJunior Java DeveloperJava Developer
Required Experience0-2 years2+ years
CertificationsOptional, entry-level certificationsOptional, advanced certifications
Work EnvironmentSupportive, learning-focused teamsProject-driven, independent roles
ResponsibilitiesAssist in coding, bug fixing, learning frameworksDesign, develop, maintain Java applications

The main difference between a Junior Java Developer and a Java Developer lies in experience, responsibilities, and independence. Junior Java Developers are typically entry-level, focusing on learning and supporting tasks, while Java Developers have more experience and handle complex development projects independently.

More about Junior Java Developer jobs
What are the most commonly searched types of Java Developer jobs in Iselin, NJ? The most popular types of Java Developer jobs in Iselin, NJ are:
What cities near Iselin, NJ are hiring for Junior Java Developer jobs? Cities near Iselin, NJ with the most Junior Java Developer job openings:
Junior Java Developer jobs near you
Java Developer

Java Developer

Photon

Berkeley Heights, NJ

$53.25 - $69/hr

Other

Posted 2 days ago

Job description

Greetings From Photon,

We hope you are good! We are hiring Java Developer to join our Digital Engineering team.

Who are we?

For the past 20 years, we have powered many Digital Experiences for the Fortune 500. Since 1999, we have grown from a few people to more than 4000 team members across the globe that are engaged in various Digital Modernization.

Java Developer | Berkely Heights, NJ | Fulltime/Permanent

Job Summary :

We are looking for a skilled and motivated Java Developer with strong experience in Java Backend development, Microservices architecture, and Kubernetes (K8s) based deployments. The ideal candidate should have hands-on expertise in building scalable backend applications, designing RESTful APIs, and working with caching technologies such as Redis and Memcached to improve application performance and reliability.

What will you do & What are we looking for?

  • Design, develop, and maintain robust Java Backend applications using Core Java / Java 8+ / Spring Boot
  • Build and manage Microservices-based architecture for scalable and distributed applications
  • Develop RESTful APIs and backend services for enterprise-grade applications
  • Deploy, manage, and monitor applications in Kubernetes (K8s) environments
  • Implement containerized solutions using Docker and orchestrate services using Kubernetes
  • Integrate caching mechanisms using Redis and Memcached for performance optimization
  • Work on database design, query optimization, and backend performance tuning
  • Collaborate with DevOps, QA, and frontend teams for end-to-end delivery
  • Participate in code reviews, unit testing, debugging, and production support
  • Ensure best practices in coding, security, scalability, and maintainability

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