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Java Junior Jobs in Piscataway, NJ (NOW HIRING)

JP Morgan Chase

Senior Software Engineer - Java

Jersey City, NJ · On-site

$136K - $179K/yr

Mentor, groom, and guide junior team members, fostering their professional growth and development ... Deep knowledge and expertise in Java programming, with a self-assessed proficiency of 8 out of 10 ...

Triunity Software

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. Qualifications: * Previous experience in software development, computer engineering, or other ...

Real Soft, Inc.

Senior Java Full Stack Developer

Iselin, NJ · On-site

$53.25 - $68.75/hr

Providing technical coaching, code reviews, and mentorship to junior and mid-level developers ... Strong Java and Spring Framework development experience, with a minimum of 5 years of hands-on ...

CYNET SYSTEMS

Java Full Stack Developer

Whippany, NJ · On-site

$65 - $70/hr

Provide technical guidance and mentorship to junior developers. * Support CI/CD pipeline ... Java. * RESTful APIs. * Microservices. * SDLC. * System Design. * Architecture. * Unit Testing.

CYNET SYSTEMS

Java Full Stack Developer

Whippany, NJ · On-site

$65 - $70/hr

Provide technical guidance and mentorship to junior developers. Support CI/CD pipeline ... Skills: Java. RESTful APIs. Microservices. SDLC. System Design. Architecture. Unit Testing.

Mizuho Bank, Ltd.

Technical Lead Java Developer

New York, NY · On-site

$200K - $225K/yr

Coach Junior level software developers and analysts Qualifications: * Candidate must have 8 plus years of hands-on experience in developing enterprise applications using Java * Must have 5 plus years ...

Smarsh

Sr. Software Engineer - Java

New York, NY

$136K - $180K/yr

... junior engineers. * Lead production troubleshooting and incident response, driving root-cause ... At least 6 years of professional Java development experience, including demonstrated ownership of ...

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Java Junior information

See Piscataway, NJ salary details

$62.2K

$108.8K

$164K

How much do java junior jobs pay per year?

As of Aug 6, 2026, the average yearly pay for java junior in Piscataway, NJ is $108,843.00, according to ZipRecruiter salary data. Most workers in this role earn between $76,900.00 and $108,500.00 per year, depending on experience, location, and employer.

What is the difference between Java Junior vs Java Developer?

AspectJava JuniorJava Developer
Required Experience0-2 years2+ years
CertificationsOptional, entry-level certificationsOptional, advanced certifications
Work EnvironmentTraining, mentorship-focusedProject-driven, independent
ResponsibilitiesLearning, basic coding tasksDesign, develop, maintain Java applications

Java Junior roles are entry-level positions focused on learning and supporting Java projects, often requiring minimal experience. Java Developers have more experience, handle complex tasks, and contribute to project design and implementation. The transition from Java Junior to Java Developer involves gaining skills, experience, and certifications over time.

What are some typical challenges a Java Junior might face when starting out, and how can they overcome them?

As a Java Junior, you may encounter challenges like understanding complex codebases, adapting to agile development practices, and debugging unfamiliar issues. It's common to feel overwhelmed at first, but asking questions, participating in code reviews, and pairing with more experienced developers can accelerate your learning. Regularly practicing coding, studying documentation, and using collaboration tools will also help you quickly become a productive member of the team.

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

To thrive as a Java Junior, you need a solid understanding of Java programming, object-oriented principles, and a relevant degree or coursework in computer science. Familiarity with development tools like Eclipse or IntelliJ IDEA, version control systems (such as Git), and basic knowledge of databases are typically expected. Strong problem-solving abilities, eagerness to learn, and good communication skills help juniors excel in collaborative and fast-paced environments. These skills enable efficient coding, effective teamwork, and smooth adaptation to evolving project requirements.

Are Java Junior jobs still in demand?

Java Junior jobs remain in demand as Java is widely used in enterprise applications, Android development, and backend systems. Employers seek candidates with foundational Java skills, often complemented by knowledge of frameworks like Spring and basic understanding of version control tools such as Git.

What is a Java Junior?

Java Junior developers are entry-level software engineers who specialize in programming using the Java language. They typically have a foundational understanding of Java syntax, object-oriented programming concepts, and basic software development practices. Java Juniors often assist with coding, debugging, and testing under the supervision of more experienced developers, while continuously learning and building their technical skills. Their responsibilities may also include maintaining existing applications and writing simple features as part of a development team.
What are the most commonly searched types of Java jobs in Piscataway, NJ? The most popular types of Java jobs in Piscataway, NJ are:
What are popular job titles related to Java Junior jobs in Piscataway, NJ? For Java Junior jobs in Piscataway, NJ, the most frequently searched job titles are:
What cities near Piscataway, NJ are hiring for Java Junior jobs? Cities near Piscataway, NJ with the most Java Junior job openings:
Java Junior jobs near you
Infographic showing various Java Junior job openings in Piscataway, NJ as of August 2026, with employment types broken down into 1% Internship, 80% Full Time, 3% Part Time, and 16% Contract. Highlights an 83% Physical, 4% Hybrid, and 13% Remote job distribution, with an average salary of $108,843 per year, or $52.3 per hour.

Senior Java Developer (Kafka + AWS)

MAS Global Consulting

Manhattan, NY • On-site

$63 - $80.50/hr

Full-time

Re-posted 25 days ago

Job description

Job Summary:
MAS Global Consulting is a premium digital engineering partner trusted by innovative startups and Fortune 100 companies. They are seeking a Senior Java Developer to design and build robust backend systems using Java, Apache Kafka, and AWS while collaborating with cross-functional teams to deliver high-impact solutions.
Responsibilities:
• Design, develop, and maintain high-performance backend services and distributed systems using Java.
• Architect and implement event-driven solutions using Apache Kafka, ensuring reliability, scalability, and low latency.
• Deploy, configure, and manage cloud infrastructure and services on AWS (e.g., EC2, ECS, Lambda, S3, RDS, SQS).
• Collaborate with stakeholders to gather requirements and translate them into scalable technical solutions.
• Develop and optimize RESTful APIs and backend application functionalities for high performance and responsiveness.
• Write and maintain automated tests (unit, integration, E2E) and ensure code quality through code reviews.
• Apply security best practices, including authentication and authorization mechanisms, to protect backend systems.
• Troubleshoot and resolve production issues, ensuring minimal downtime and operational stability.
• Mentor junior and mid-level engineers, promoting engineering best practices and a culture of continuous improvement.
• Collaborate with front-end, DevOps, and QA teams to ensure seamless integration and delivery of solutions.
Qualifications:
Required:
• Bachelor's degree in Computer Science, Software Engineering, or a related field.
• 4+ years of professional experience in backend software development.
• Solid understanding of distributed systems, event-driven architecture, and messaging patterns.
• Experience with version control systems (e.g., Git) and agile development methodologies.
• Strong problem-solving skills and a track record of resolving complex production issues.
• Excellent communication skills and ability to work effectively in cross-functional teams.
• Candidates must demonstrate strong, hands-on expertise in all three of the following:
• Java: Core language proficiency (Java 11+), OOP, design patterns, multithreading, and performance optimization.
• Apache Kafka: Event-driven architecture, producer/consumer configuration, topic partitioning, schema registry, and Kafka Streams or similar.
• Amazon Web Services (AWS): Cloud infrastructure design and operations, including EC2, ECS, Lambda, S3, RDS, SQS, and strong JVM internals and concurrency knowledge.
Preferred:
• Spring Boot & Microservices: Experience building and deploying production-grade microservices using Spring Boot, Spring Cloud, and related frameworks (Eureka, API Gateway, Circuit Breaker).
• Containerization & Orchestration: Familiarity with Docker and Kubernetes (EKS or similar).
• Observability: Experience with monitoring and tracing tools.
• CI/CD: Experience with Jenkins, GitHub Actions, or similar pipelines for automated testing and deployment.
Company:
MAS Global Consulting is communities by creating and maintaining a culture of skilled technology professionals that digital transformations. Founded in 2012, the company is headquartered in Palm Harbor, USA, with a team of 51-200 employees. The company is currently Growth Stage.

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