**Description** SAIC is looking for a Java Developer who will be responsible for converting existing PySpark codebases into optimized Java-based Spark applications. This role includes developing, refactoring, and maintaining scalable data processing solutions developed on the Databricks platform (or similar Spark execution environments). Key Responsibilities: · Convert existing PySpark applications into equivalent, efficient Java Spark implementations · Design, develop, and maintain scalable Spark-based data pipelines · Implement data processing logic using Java 8+ with best practices in OOP and functional programming · Integrate solutions with IRS datasets including IRMF, BMF, and IMF · Optimize Spark jobs for performance, maintainability, and cost-efficiency · Collaborate across development, data engineering, and architecture teams · Troubleshoot and debug Spark workloads in distributed environments · Ensure compliance with IRS data handling, security, and governance policies **Qualifications** Required QualificationsRequired: + Bachelor’s degree in Computer Science, Information Systems, or a related field. + Active MBI Clearance + 5+ years of professional experience in a data engineering or software development role. + Advanced expertise in: · IRS datasets (IRMF, BMF, IMF) and tax system data structures. · Java 8+ (experience with functional programming, Streams API, Lambdas). · Apache Spark (Spark Core, Spark SQL, DataFrame APIs, performance tuning). · Big data ecosystems (HDFS, Hive, Kafka, S3). · Working with batch and streaming ETL pipelines for data processing. + Proficient with Git, Maven/Gradle, and DevOps tools. + Expertise in debugging Spark transformations and ensuring performance. Preferred Qualifications: + Hands-on experience converting PySpark workloads into Java Spark. + Familiarity with ecosystems such as Databricks, Google Dataproc, or similar. + Knowledge of Delta Lake or Apache Iceberg. + Proven experience in big data performance modeling and tuning. Target salary range: $80,001 - $120,000. The estimate displayed represents the typical salary range for this position based on experience and other factors. REQNUMBER: 2601247 SAIC is a premier technology integrator, solving our nation's most complex modernization and systems engineering challenges across the defense, space, federal civilian, and intelligence markets. Our robust portfolio of offerings includes high-end solutions in systems engineering and integration; enterprise IT, including cloud services; cyber; software; advanced analytics and simulation; and training. We are a team of 23,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $6.5 billion. For more information, visit saic.com. For information on the benefits SAIC offers, see Working at SAIC. EOE AA M/F/Vet/Disability