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Java Testing Jobs in Iselin, NJ (NOW HIRING)

Java Developer

New York, NY · On-site

$55.75 - $72.25/hr

Java Developer Job Location: New York Job Type: Contract * Java 11 expert in Spring Boot Spring ... Testing frameworks JUnit Mockito TestNG REST Assured contract testing * Automation integration into ...

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Java Developer

Jersey City, NJ · On-site

$55 - $70/hr

We have a total of 15 openings through 3 different locations for Java Developers with automation and selenium testing experience. We need candidate out of BFSI, with a Comp Sci degree. 4 spots in ...

Java Developer

New York, NY · On-site

$55.75 - $72.25/hr

... coding, testing, maintenance and debugging skills Experience with Junit and Cucumber testing ... using Core Java J2EE, XML, Web Services or SOA and used Java. frameworks Spring spring batch ...

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Java Developer

Jersey City, NJ · On-site

$55 - $70/hr

We have a total of 15 openings through 3 different locations for Java Developers with automation and selenium testing experience. We need candidate out of BFSI, with a Comp Sci degree. 4 spots in ...

Java Developer

New York, NY · On-site

$55.75 - $72.25/hr

... coding, testing, maintenance and debugging skills Experience with Junit and Cucumber testing ... using Core Java J2EE, XML, Web Services or SOA and used Java. frameworks Spring spring batch ...

Java Devevloper

Summit, NJ · On-site

$54.25 - $70.25/hr

The role involves designing, coding, testing, debugging, and documenting projects while developing ... Java/J2EE/JavaScript technologies. (Node.js, Angular 12.2.10, Webservices, Spring boot, REST API ...

Java Developer

New York, NY · On-site

$55.75 - $72.25/hr

Participate in code reviews, unit testing, and performance tuning * Troubleshoot and resolve ... Java, J2EE * Spring / Spring Boot * Hibernate / JPA * Experience with REST APIs and Microservices ...

Java Developer

New York, NY · On-site

$55.75 - $72.25/hr

P1C3STSMulti-threaded software development, deployment, debugging and testing experience with Java/J2EE/Spring Boot development frameworksExcellent knowledge of developing performance critical ...

Java Developer

Jersey City, NJ

$53.25 - $69/hr

... Testing) - Experience working with the databases (like MySQL, Oracle etc) - Experience creating data model, database queries Qualifications 8+ years Java/JEE Development 2-3+ years Integration ...

Java Developer

New York, NY · On-site

$48 - $53/hr

Proficiency in unit testing, integration testing, and debugging Java code. * Experience with cloud platforms like AWS, Azure, or Google Cloud. Responsibilities: * Design and develop robust, scalable ...

java Developer

Jersey City, NJ · On-site

$55.75 - $72.25/hr

Role: Java Developer Location : : LOCAL to Mt Laurel, NJ ONLY - 100% ONSITE Type : Contract ... Participate in unit testing| debugging| and defect resolution. Collaborate with team members in ...

Java Developer

New York, NY · On-site

$55.75 - $72.25/hr

Familiar with JUnit testing tool and various Mocking library for unit and system testing. Familiar ... Multithreading, Java, object oriented programming and recent financial experience Requirement:

Java Developer 1015

Jersey City, NJ · Remote

$90K - $130K/yr

Participate in code reviews, testing, debugging, and production support. Required Skills * Java / J2EE * Spring Boot / Spring Framework * Microservices * REST APIs * SQL / Database * Hibernate / JPA

Java Engineer

New York, NY · Remote

$53 - $72.75/hr

Java Engineer Location: Remote (USA) Employment Type: Full-Time / Contract Job Summary We are ... Participate in application testing, debugging, and performance tuning. * Support deployment and ...

Java Developer

Jersey City, NJ · On-site

$53.25 - $69/hr

Git, testing, modular design * Linux and shell scripting * Production support experience ... Java/OOP * GitHub Copilot or similar AI developer tools * Front-office trading or quantitative ...

Java developer

New York, NY · On-site

$55.75 - $72.25/hr

Microservices design patterns, RESTful API design, Java (17 or 21), Spring Boot, and Spring Cloud ... Quality & CI/CD Automation Maintain high code quality through automated unit/integration testing ...

Java Developer

New York, NY · On-site

$55.75 - $72.25/hr

Distributed Caching, Concurrent programming, Design patterns & Testing Frameworks. * Sybase/DB2 ... Java : Expert knowledge of the Java programming language and any mainstream JVM. * Design and ...

Showing results 21-40

Java Testing information

See Iselin, NJ salary details

$15

$57

$78

How much do java testing jobs pay per hour?

As of Sep 6, 2026, the average hourly pay for java testing in Iselin, NJ is $57.58, according to ZipRecruiter salary data. Most workers in this role earn between $49.81 and $64.42 per hour, depending on experience, location, and employer.

What is Java testing?

Java testing refers to the process of evaluating Java applications to ensure they work as expected and are free of bugs. It involves using various testing frameworks and tools, such as JUnit, TestNG, and Selenium, to automate and validate different parts of the code. Java testing can include unit testing, integration testing, system testing, and acceptance testing. Proper Java testing helps maintain software quality, improve reliability, and reduce the risk of defects in production environments.

What are the key skills and qualifications needed to thrive as a Java testing professional?

To thrive as a Java Testing professional, you need a strong understanding of Java programming, software testing methodologies, and a background in computer science or a related field. Familiarity with testing frameworks such as JUnit, Selenium, TestNG, and tools like Maven or Jenkins is typically required, along with certifications like ISTQB being advantageous. Attention to detail, analytical thinking, and effective communication are critical soft skills for identifying issues and collaborating with development teams. These skills ensure the delivery of robust, high-quality software products by enabling thorough testing and efficient problem resolution.

What are some common challenges faced by professionals in Java testing roles, and how can they be addressed?

Professionals in Java testing roles often encounter challenges such as maintaining test automation frameworks, ensuring compatibility across different Java versions, and keeping up with frequent code changes. Collaboration with developers is crucial to understand new features and potential impacts on existing tests. Effective communication, continuous learning, and adopting robust automation tools (like JUnit, TestNG, or Selenium) help address these challenges. Additionally, participating in code reviews and staying updated on best testing practices ensure the reliability and efficiency of the testing process.

What is the difference between Java Testing vs Java Developer?

AspectJava TestingJava Developer
Primary FocusTesting Java applications for bugs and quality assuranceDesigning, developing, and maintaining Java applications
Required SkillsKnowledge of testing frameworks (JUnit, TestNG), debugging, scriptingProficiency in Java programming, software design, problem-solving
CertificationsISTQB, Certified Tester, Java testing certificationsOracle Certified Java Programmer (OCJP), Java Developer certifications
Work EnvironmentQuality assurance teams, testing labs, software companiesDevelopment teams, software companies, tech startups

Java Testing primarily focuses on verifying the quality and functionality of Java applications through testing processes, while Java Developers are responsible for creating and maintaining Java software. Both roles often collaborate but require different skill sets and certifications. Java Testing is ideal for those interested in quality assurance, whereas Java Development involves software creation and problem-solving.

What jobs can you get if you know Java Testing?

Jobs for professionals skilled in Java testing include Software Test Engineer, QA Analyst, Automation Tester, and Quality Assurance Developer. These roles involve designing, executing, and maintaining test scripts using tools like Selenium or JUnit, often requiring knowledge of Java programming and testing frameworks.

What are popular job titles related to Java Testing jobs in Iselin, NJ?

For Java Testing jobs in Iselin, NJ, the most frequently searched job titles are:

What job categories do people searching Java Testing jobs in Iselin, NJ look for?

The top searched job categories for Java Testing jobs in Iselin, NJ are:

What cities near Iselin, NJ are hiring for Java Testing jobs?

Cities near Iselin, NJ with the most Java Testing job openings:

Infographic showing various Java Testing job openings in Iselin, NJ as of August 2026, with employment types broken down into 1% As Needed, 85% Full Time, 9% Part Time, 4% Contract, and 1% Nights. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution, with an average salary of $119,758 per year, or $57.6 per hour.

Java Developer

Staffingine LLC

New York, NY • On-site

$55.75 - $72.25/hr

Contractor

Re-posted 5 days ago


Job description

Job Title: Java Developer 
Job Location: New York 
Job Type: Contract 

Job Description: 

  • Java 11 expert in Spring Boot Spring Data JPA Hibernate 

  • Microservices architecture REST APIs resilience patterns async messaging 

  • Kubernetes advanced orchestration scaling 

  • Oracle DB schema design SQL or PLSQL optimization partitioning 

  • Enterprise patterns CQRS Saga Event Sourcing 

  • CICD pipelines Jenkins GitHub Actions 

  • Code quality SonarQube static analysis enforcing coding standards 

  • Testing frameworks JUnit Mockito TestNG REST Assured contract testing 

  • Automation integration into CICD regression test pipelines 

  • Observability Prometheus Grafana