Java Junior Jobs in New Jersey (NOW HIRING)

Java Spark Engineer

$55.75 - $76.75/hr

... junior engineers; act as a technical escalation point • Partner with product, analytics, and ... Java development experience • 5+ years hands-on experience with Apache Spark in production ...

2T Consulting

Java Spark Engineer

Martinsville, NJ · On-site

$55.75 - $76.75/hr

2T Consulting

Java Spark Engineer

Roselle, NJ · On-site

$52.75 - $72.25/hr

2T Consulting

Java Spark Engineer

Roselle, NJ · On-site

$52.75 - $72.25/hr

2T Consulting

Java Spark Engineer

Lake Hiawatha, NJ · On-site

$52 - $71.50/hr

2T Consulting

Java Spark Engineer

Lake Hiawatha, NJ · On-site

$52 - $71.50/hr

2T Consulting

Java Spark Engineer

Verona, NJ · On-site

$53 - $72.50/hr

2T Consulting

Java Spark Engineer

Verona, NJ · On-site

$53 - $72.50/hr

2T Consulting

Java Spark Engineer

Millington, NJ · On-site

$53 - $72.75/hr

2T Consulting

Java Spark Engineer

Millington, NJ · On-site

$53 - $72.75/hr

2T Consulting

Java Spark Engineer

Brookside, NJ · On-site

$51.25 - $70.50/hr

2T Consulting

Java Spark Engineer

Brookside, NJ · On-site

$51.25 - $70.50/hr

2T Consulting

Java Spark Engineer

Garwood, NJ · On-site

$52.50 - $72/hr

2T Consulting

Java Spark Engineer

Garwood, NJ · On-site

$52.50 - $72/hr

2T Consulting

Java Spark Engineer

Morristown, NJ · On-site

$53.25 - $73/hr

2T Consulting

Java Spark Engineer

Morristown, NJ · On-site

$53.25 - $73/hr

2T Consulting

Java Spark Engineer

Bedminster, NJ · On-site

$52.75 - $72.50/hr

2T Consulting

Java Spark Engineer

Bedminster, NJ · On-site

$52.75 - $72.50/hr

2T Consulting

Java Spark Engineer

New Providence, NJ · On-site

$54.50 - $74.75/hr

2T Consulting

Java Spark Engineer

New Providence, NJ · On-site

$54.50 - $74.75/hr

2T Consulting

Java Spark Engineer

Bound Brook, NJ · On-site

$55.25 - $75.75/hr

2T Consulting

Java Spark Engineer

Bound Brook, NJ · On-site

$55.25 - $75.75/hr

2T Consulting

Java Spark Engineer

Roselle Park, NJ · On-site

$52.50 - $72.25/hr

2T Consulting

Java Spark Engineer

Roselle Park, NJ · On-site

$52.50 - $72.25/hr

2T Consulting

Java Spark Engineer

Springfield, NJ · On-site

$54 - $74/hr

2T Consulting

Java Spark Engineer

Springfield, NJ · On-site

$54 - $74/hr

2T Consulting

Java Spark Engineer

Far Hills, NJ · On-site

$52.75 - $72.50/hr

2T Consulting

Java Spark Engineer

Far Hills, NJ · On-site

$52.75 - $72.50/hr

2T Consulting

Java Spark Engineer

Liberty Corner, NJ · On-site

$56 - $76.75/hr

2T Consulting

Java Spark Engineer

Liberty Corner, NJ · On-site

$56 - $76.75/hr

2T Consulting

Java Spark Engineer

Berkeley Heights, NJ · On-site

$54 - $74/hr

2T Consulting

Java Spark Engineer

Berkeley Heights, NJ · On-site

$54 - $74/hr

2T Consulting

Java Spark Engineer

Union, NJ · On-site

$52.75 - $72.25/hr

2T Consulting

Java Spark Engineer

Union, NJ · On-site

$52.75 - $72.25/hr

2T Consulting

Java Spark Engineer

Watchung, NJ · On-site

$53.25 - $73/hr

2T Consulting

Java Spark Engineer

Watchung, NJ · On-site

$53.25 - $73/hr

2T Consulting

Java Spark Engineer

Bridgewater, NJ · On-site

$53 - $72.50/hr

2T Consulting

Java Spark Engineer

Bridgewater, NJ · On-site

$53 - $72.50/hr

2T Consulting

Java Spark Engineer

Peapack, NJ · On-site

$53.50 - $73.50/hr

2T Consulting

Java Spark Engineer

Peapack, NJ · On-site

$53.50 - $73.50/hr

Showing results 41-60

Java Junior Jobs in New Jersey

Java Junior information

What is the difference between Java Junior vs Java Developer?

Aspect	Java Junior	Java Developer
Required Experience	0-2 years	2+ years
Certifications	Optional, entry-level certifications	Optional, advanced certifications
Work Environment	Training, mentorship-focused	Project-driven, independent
Responsibilities	Learning, basic coding tasks	Design, 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 New Jersey?

The most popular types of Java jobs in New Jersey are:

What cities in New Jersey are hiring for Java Junior jobs?

Cities in New Jersey with the most Java Junior job openings:

Java Junior jobs near you

Infographic showing various Java Junior job openings in New Jersey 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.

Java Spark Engineer

2T Consulting

Martinsville, NJ • On-site

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$55.75 - $76.75/hr

Full-time

Posted 10 days ago

Job description

Primary Responsibilities

• Architect and build scalable, fault-tolerant data pipelines using Apache Spark (Java)

• Lead design of batch and streaming ETL/ELT systems handling large data volumes

• Deep-dive performance tuning: partitioning strategy, memory management, shuffle/skew optimization, job cost reduction

• Set coding standards and lead code/design reviews across the team

• Drive technical decisions on data architecture, storage formats, and pipeline orchestration

• Mentor mid-level and junior engineers; act as a technical escalation point

• Partner with product, analytics, and platform teams to translate requirements into scalable systems

• Own production reliability — on-call ownership, incident response, root-cause analysis for pipeline failures

• Evaluate and introduce new tools/frameworks where they improve the system

• Contribute to capacity planning and cost optimization for cluster infrastructure

Required Qualifications

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field

• 7+ years of professional Java development experience

• 5+ years hands-on experience with Apache Spark in production environments

• Expert-level understanding of distributed systems: fault tolerance, data locality, shuffle mechanics, resource management

• Proven track record designing systems processing terabyte+ scale data

• Strong SQL skills and deep familiarity with columnar storage formats (Parquet, ORC, Avro, Delta Lake/Iceberg)

• Experience with cluster managers (YARN, Kubernetes) and cloud-managed Spark

• Proficiency with Kafka

• Strong grasp of CI/CD, containerization, and infrastructure-as-code practices

Preferred Qualifications

• Experience with Flink or other stream-processing frameworks

• Familiarity with data governance, lineage, and quality frameworks

• Experience with workflow orchestration at scale

• Background in system design for multi-tenant or multi-region data platforms

• Prior experience leading a team or acting as a technical lead

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Java Junior Jobs in New Jersey (NOW HIRING)

Java Spark Engineer

Java Spark Engineer

Java Spark Engineer

Java Spark Engineer

Java Spark Engineer

Java Spark Engineer

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Java Spark Engineer

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Java Spark Engineer

Java Spark Engineer

Java Spark Engineer

Java Spark Engineer

Java Junior information

What is the difference between Java Junior vs Java Developer?

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

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

Are Java Junior jobs still in demand?

What is a Java Junior?

What are the most commonly searched types of Java jobs in New Jersey?

What cities in New Jersey are hiring for Java Junior jobs?

Java Spark Engineer

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