Looking for Java Spark Engineer – Onsite

Job Title:

Java Spark Engineer

Berkeley Heights, NJ (Onsite/Hybrid)

Long Term

We are looking for a skilled Java Spark Engineer with experience in building scalable, high-performance data processing applications. The ideal candidate should have strong expertise in Core Java, Apache Spark, and Big Data technologies and be comfortable working in an Agile environment to develop enterprise-grade applications.

• 6+ years of experience in Java development.
• Strong hands-on experience with Core Java (Java 8/11/17).
• Experience with Apache Spark (Spark Core, Spark SQL, Data Frames, RDDs).
• Strong SQL skills and experience with relational databases.
• Knowledge of Hadoop ecosystem (Hive, HDFS) is a plus.
• Experience with Spring Boot and RESTful APIs.
• Familiarity with Kafka or other messaging platforms.
• Experience with Git, Maven, Jenkins, and CI/CD pipelines.
• Knowledge of cloud platforms (AWS, Azure, or GCP) is preferred.
• Strong debugging, performance tuning, and analytical skills.

• Develop and maintain scalable Java applications using Apache Spark.
• Design and optimize Spark jobs for large-scale data processing.
• Build and enhance ETL/data processing pipelines.
• Develop REST APIs using Spring Boot.
• Perform code reviews, unit testing, and performance optimization.
• Collaborate with cross-functional teams to gather requirements and deliver high-quality solutions.
• Troubleshoot production issues and provide timely resolutions.
• Follow Agile/Scrum development methodologies.

• Experience with financial services or enterprise applications.
• Exposure to Docker, Kubernetes, and Microservices architecture.
• Excellent communication and problem-solving skills.