Mountainside, 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 ...
New
Mountainside, 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 ...
New
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 ...
New
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 ...
New
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 ...
New
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 ...
New
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 ...
New
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 ...
New
Scotch Plains, NJ · On-site
$52.50 - $72/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 ...
New
Scotch Plains, NJ · On-site
$52.50 - $72/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 ...
New
Dunellen, NJ · On-site
$54.50 - $74.75/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 ...
New
Dunellen, NJ · On-site
$54.50 - $74.75/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 ...
New
Garwood, NJ · On-site
$52.50 - $72/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 ...
New
Garwood, NJ · On-site
$52.50 - $72/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 ...
New
Jersey City, NJ · On-site +1
$130K - $171K/yr
Mentor junior engineers and promote engineering best practices. Qualifications * 5+ years of ... Proficiency with Kafka, Redis, RESTful APIs, and Java Collections framework * Experience working ...
Jersey City, NJ · On-site +1
$130K - $171K/yr
Mentor junior engineers and promote engineering best practices. Qualifications * 5+ years of ... Proficiency with Kafka, Redis, RESTful APIs, and Java Collections framework * Experience working ...
Madison, NJ · On-site
$53.25 - $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 ...
New
Madison, NJ · On-site
$53.25 - $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 ...
New
Westfield, 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 ...
New
Westfield, 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 ...
New
Stirling, NJ · On-site
$51.75 - $71/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 ...
New
Stirling, NJ · On-site
$51.75 - $71/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 ...
New
Summit, 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 ...
New
Summit, 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 ...
New
Berkeley Heights, 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 ...
Berkeley Heights, 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 ...
New Providence, NJ · On-site
$54.50 - $74.75/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 ...
New
New Providence, NJ · On-site
$54.50 - $74.75/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 ...
New
Green Village, NJ · On-site
$50.75 - $69.75/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 ...
New
Green Village, NJ · On-site
$50.75 - $69.75/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 ...
New
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 ...
New
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 ...
New
Springfield, 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 ...
New
Springfield, 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 ...
New
Gillette, 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 ...
New
Gillette, 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 ...
New
Watchung, NJ · On-site
$53.25 - $73/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 ...
New
Watchung, NJ · On-site
$53.25 - $73/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 ...
New
Vincentown, NJ · On-site +1
$75K - $95K/yr
We are seeking a motivated Junior Software Engineer to join our growing Technology team. This is an exciting opportunity to gain hands-on experience across the full software development lifecycle ...
Vincentown, NJ · On-site +1
$75K - $95K/yr
We are seeking a motivated Junior Software Engineer to join our growing Technology team. This is an exciting opportunity to gain hands-on experience across the full software development lifecycle ...
| Aspect | Junior Java Software Engineer | Java Developer |
|---|---|---|
| Required Credentials | Typically a bachelor's degree in Computer Science or related field; some certifications like Oracle Java Certification | Similar credentials; often holds Java certifications and a degree in a related field |
| Work Environment | Entry-level position in development teams, often under supervision, focusing on coding and testing | Can be entry to mid-level, involved in designing, coding, and maintaining Java applications |
| Employer & Industry Usage | Used across tech companies, startups, and corporate IT departments | Commonly used in software development firms, tech companies, and enterprise environments |
While both roles involve Java programming, a Junior Java Software Engineer typically focuses on learning and supporting development tasks under supervision, whereas a Java Developer may have more responsibility in designing and implementing Java applications. The roles often overlap, but the engineer role emphasizes entry-level growth, while the developer role can involve more independent work.
$52.25 - $71.75/hr
Full-time
Posted 3 days ago
New
• 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
