Java Spark Engineer
$53.50 - $73.25/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 ...
Java Spark Engineer
$53.50 - $73.25/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 ...
Java Spark Engineer
Gladstone, NJ · On-site
$53.75 - $73.50/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 ...
Java Spark Engineer
Gladstone, NJ · On-site
$53.75 - $73.50/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 ...
Java Spark Engineer
Fords, NJ · On-site
$52.75 - $72.50/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 ...
Java Spark Engineer
Fords, NJ · On-site
$52.75 - $72.50/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 ...
Java Spark Engineer
Livingston, NJ · On-site
$56.50 - $77.50/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 ...
Java Spark Engineer
Livingston, NJ · On-site
$56.50 - $77.50/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 ...
Java Spark Engineer
Chatham, NJ · On-site
$56.75 - $78/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 ...
Java Spark Engineer
Chatham, NJ · On-site
$56.75 - $78/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 ...
Java Spark Engineer
Elizabethport, NJ · On-site
$52.25 - $71.75/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 ...
Java Spark Engineer
Elizabethport, NJ · On-site
$52.25 - $71.75/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 ...
Java Spark Engineer
East Hanover, NJ · On-site
$55 - $75.50/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 ...
Java Spark Engineer
East Hanover, NJ · On-site
$55 - $75.50/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 ...
Java Spark Engineer
Roseland, NJ · On-site
$55.75 - $76.50/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 ...
Java Spark Engineer
Roseland, NJ · On-site
$55.75 - $76.50/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 ...
Java Spark Engineer
Sewaren, NJ · On-site
$53 - $72.75/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 ...
Java Spark Engineer
Sewaren, NJ · On-site
$53 - $72.75/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 ...
Java Architect - AWS
Princeton, NJ · On-site
$66 - $89/hr
Hands on development experience withJ-Script, Angular JS, Java and MYSQL Ability to guide junior developers on AWS Qualifications: Bachelor's degree in Computer Science, Engineering or related ...
Java Architect - AWS
Princeton, NJ · On-site
$66 - $89/hr
Hands on development experience withJ-Script, Angular JS, Java and MYSQL Ability to guide junior developers on AWS Qualifications: Bachelor's degree in Computer Science, Engineering or related ...
Java Spark Engineer
Florham Park, NJ · On-site
$54.25 - $74.25/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 ...
Java Spark Engineer
Florham Park, NJ · On-site
$54.25 - $74.25/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 ...
Java Spark Engineer
East Orange, NJ · On-site
$54 - $74/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 ...
Java Spark Engineer
East Orange, NJ · On-site
$54 - $74/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 ...
Java Spark Engineer
Mount Freedom, NJ · On-site
$53.50 - $73.25/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 ...
Java Spark Engineer
Mount Freedom, NJ · On-site
$53.50 - $73.25/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 ...
Java Spark Engineer
$52.75 - $72.50/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 ...
Java Spark Engineer
$52.75 - $72.50/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 ...
Java Spark Engineer
Short Hills, NJ · On-site
$56.25 - $77.25/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 ...
Java Spark Engineer
Short Hills, NJ · On-site
$56.25 - $77.25/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 ...
Java Spark Engineer
Avenel, NJ · On-site
$52.75 - $72.25/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 ...
Java Spark Engineer
Avenel, NJ · On-site
$52.75 - $72.25/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 ...
Java Spark Engineer
Parsippany, NJ · On-site
$52 - $71.50/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 ...
Java Spark Engineer
Parsippany, NJ · On-site
$52 - $71.50/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 ...
Java Spark Engineer
West Carteret, NJ · On-site
$53.75 - $73.75/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 ...
Java Spark Engineer
West Carteret, NJ · On-site
$53.75 - $73.75/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 ...
Java Spark Engineer
Warren, NJ · On-site
$53.75 - $73.75/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 ...
Java Spark Engineer
Warren, NJ · On-site
$53.75 - $73.75/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 ...
Java Spark Engineer
North Plainfield, NJ · On-site
$53 - $72.75/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 ...
Java Spark Engineer
North Plainfield, NJ · On-site
$53 - $72.75/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 ...
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:
$53.50 - $73.25/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