Core Java + Apache Spark Engineer

TSR is a trusted staffing and workforce solutions partner with more than 50 years of experience delivering highly qualified talent to support clients' most critical business and technology initiatives. Through a disciplined approach to sourcing, candidate vetting, and delivery, TSR helps organizations scale teams quickly while maintaining quality and reliability. TSR operates with a global delivery model, leveraging specialized teams to support enterprise clients across North America and beyond. In June 2024, TSR was acquired by Justin Christian, founder and CEO of BCforward, expanding TSR's ability to deliver broader capabilities, global delivery resources, and enhanced opportunities for both clients and consultants.

About the role

We are seeking a Java Developer - Supervisory to join our team within a TechFin environment. The ideal candidate will have strong experience in Core Java, Apache Spark, and big data platforms and a proven ability to design and optimize large-scale data pipelines for credit risk analytics and regulatory reporting.

Responsibilities

• Design, develop, optimize, and maintain scalable data pipelines using Core Java and Apache Spark for large-scale financial datasets.
• Lead batch processing initiatives for credit risk analytics, including stress loss (GSST, CCAR) and expected credit loss (CECL, IFRS9, ICAAP).
• Ensure efficient storage, retrieval, and governance of risk data across Hadoop, Hive, Impala, and Spark ecosystems.
• Implement Spark performance best practices such as partitioning, caching, and memory management.
• Maintain code quality through automated testing, CI/CD pipelines (Tekton, Harness), and GitHub-based workflows.
• Collaborate with cross-functional teams to deliver compliant, reliable solutions for regulatory reporting.

Requirements

• 7+ years of software development with Core Java and Java 8 concepts, including OOP, OOD, Collections, Exception Handling, JDBC, Multithreading, Streams, Lambda Expressions, and Functional Interfaces.
• 2+ years of Apache Spark (Java API) with RDD, DataFrame, and Dataset expertise.
• 5+ years of SQL/NoSQL databases such as Oracle, MySQL, Postgres, MongoDB, Couchbase, or Neo4j.
• 3+ years leading or owning projects end-to-end with multi-team collaboration.
• Experience in financial markets and credit risk systems, including scenario analysis and stress testing.
• Proficiency with GitHub, Tekton, Harness, and CI/CD practices.
• Ability to operate in a fast-paced environment and deliver reliable code.

Preferred Skills

• Experience with Hadoop ecosystem tools such as Hive and Impala in production workloads.
• Experience with agentic AI tooling (e.g., Devin, Claude, or Copilot) to enhance development productivity.
• Background in Agile delivery and test automation practices.

Benefits

• Competitive compensation and benefits.
• Opportunities for growth with global clients.
• A supportive, inclusive culture that values innovation and people.
• Exposure to cutting-edge technologies and projects.

Location: Tampa, FL
Duration: Contract - 6 months, potential Right-to-Hire