{"schemaVersion":"jobsearcher.job.v1","id":"40565e1d74ebf7dba4492c1f","url":"https://jobsearcher.com/jobs/40565e1d74ebf7dba4492c1f","canonicalUrl":"https://jobsearcher.com/jobs/40565e1d74ebf7dba4492c1f","title":"Java Spark Engineer","description":"JOB DESCRIPTION \r Role: Java Spark Engineer \r Location: Berkley Heights, NJ \r Work Mode: 5-days in office (flexible to support weekend) \r \r Responsibilities : \r • Architect and build scalable, fault-tolerant data pipelines using Apache Spark (Java) \r • Lead design of batch and streaming ETL/ELT systems handling large data volumes \r • Deep-dive performance tuning: partitioning strategy, memory management, shuffle/skew optimization, job cost reduction \r • Set coding standards and lead code/design reviews across the team \r • Drive technical decisions on data architecture, storage formats, and pipeline orchestration \r • Mentor mid-level and junior engineers; act as a technical escalation point \r • Partner with product, analytics, and platform teams to translate requirements into scalable systems \r • Own production reliability — on-call ownership, incident response, root-cause analysis for pipeline failures \r • Evaluate and introduce new tools/frameworks where they improve the system \r • Contribute to capacity planning and cost optimization for cluster infrastructure \r Required Qualifications \r • Bachelor’s or Master’s degree in Computer Science, Engineering, or related field \r • 7+ years of professional Java development experience \r • 5+ years hands-on experience with Apache Spark in production environments \r • Expert-level understanding of distributed systems: fault tolerance, data locality, shuffle mechanics, resource management \r • Proven track record designing systems processing terabyte+ scale data \r • Strong SQL skills and deep familiarity with columnar storage formats (Parquet, ORC, Avro, Delta Lake/Iceberg) \r • Experience with cluster managers (YARN, Kubernetes) and cloud-managed Spark \r • Proficiency with Kafka \r • Strong grasp of CI/CD, containerization, and infrastructure-as-code practices \r Preferred Qualifications \r • Experience with Flink or other stream-processing frameworks \r • Familiarity with data governance, lineage, and quality frameworks \r • Experience with workflow orchestration at scale  \r • Background in system design for multi-tenant or multi-region data platforms \r • Prior experience leading a team or acting as a technical lead \r Soft Skills / Leadership \r • Excellent communication — able to explain technical tradeoffs to non-technical stakeholders \r • Strong mentorship and coaching ability \r • Comfortable driving ambiguous, cross-team technical initiatives \r Behavioral Skills: \r \r Good Communication skills \r 5 days Work from Office at Berkley Heights, NJ \r Team Player \r Ability to work in a changing environment \r Strong problem solving and analytical skills \r Ability to work independently or within a team","company":"Long Finch Technologies","rawCompany":"long finch technologies","city":"Ironia","state":"NJ","isRemote":false,"isActive":true,"createdAt":"2026-09-18T11:38:13.014Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1243.01","title":"Data Warehousing Specialists","slug":"data-warehousing-specialists"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Java Spark Engineer","description":"JOB DESCRIPTION \r Role: Java Spark Engineer \r Location: Berkley Heights, NJ \r Work Mode: 5-days in office (flexible to support weekend) \r \r Responsibilities : \r • Architect and build scalable, fault-tolerant data pipelines using Apache Spark (Java) \r • Lead design of batch and streaming ETL/ELT systems handling large data volumes \r • Deep-dive performance tuning: partitioning strategy, memory management, shuffle/skew optimization, job cost reduction \r • Set coding standards and lead code/design reviews across the team \r • Drive technical decisions on data architecture, storage formats, and pipeline orchestration \r • Mentor mid-level and junior engineers; act as a technical escalation point \r • Partner with product, analytics, and platform teams to translate requirements into scalable systems \r • Own production reliability — on-call ownership, incident response, root-cause analysis for pipeline failures \r • Evaluate and introduce new tools/frameworks where they improve the system \r • Contribute to capacity planning and cost optimization for cluster infrastructure \r Required Qualifications \r • Bachelor’s or Master’s degree in Computer Science, Engineering, or related field \r • 7+ years of professional Java development experience \r • 5+ years hands-on experience with Apache Spark in production environments \r • Expert-level understanding of distributed systems: fault tolerance, data locality, shuffle mechanics, resource management \r • Proven track record designing systems processing terabyte+ scale data \r • Strong SQL skills and deep familiarity with columnar storage formats (Parquet, ORC, Avro, Delta Lake/Iceberg) \r • Experience with cluster managers (YARN, Kubernetes) and cloud-managed Spark \r • Proficiency with Kafka \r • Strong grasp of CI/CD, containerization, and infrastructure-as-code practices \r Preferred Qualifications \r • Experience with Flink or other stream-processing frameworks \r • Familiarity with data governance, lineage, and quality frameworks \r • Experience with workflow orchestration at scale  \r • Background in system design for multi-tenant or multi-region data platforms \r • Prior experience leading a team or acting as a technical lead \r Soft Skills / Leadership \r • Excellent communication — able to explain technical tradeoffs to non-technical stakeholders \r • Strong mentorship and coaching ability \r • Comfortable driving ambiguous, cross-team technical initiatives \r Behavioral Skills: \r \r Good Communication skills \r 5 days Work from Office at Berkley Heights, NJ \r Team Player \r Ability to work in a changing environment \r Strong problem solving and analytical skills \r Ability to work independently or within a team","datePosted":"2026-09-18T11:38:13.014Z","dateModified":"2026-09-18T11:38:13.014Z","hiringOrganization":{"@type":"Organization","name":"Long Finch Technologies","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Ironia","addressRegion":"NJ","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"40565e1d74ebf7dba4492c1f"},"url":"https://jobsearcher.com/jobs/40565e1d74ebf7dba4492c1f"}}