Core Java Engineer

Location: Mississauga, ON

Company: Global Financial Firm

Work Mode

Hybrid

Pay Rate

$70.00 – $75.00 per hour, negotiable based upon years of experience

Responsibilities

• Design, develop, optimize, and maintain scalable data pipelines for processing and analyzing large‑scale financial data built on Core Java.
• Lead projects for developing batch pipeline processes for credit risk analytics, including, but not limited to, stress loss (GSST, CCAR) and expected credit loss (CECL, IFRS9, ICAAP).
• Ensure efficient storage and retrieval of all risk data in big‑data platform systems (Hadoop, Hive, Impala, Spark, etc.).
• Implement best practices for Spark performance tuning, including partitioning, caching, and memory management.
• Maintain code quality through high‑efficiency testing, CI/CD pipelines (Tekton, Harness), and version control (GitHub).

Requirements

• Minimum 7 years of experience in software development, specifically Core Java & Java 8 concepts (OOP, OOD, Collections, Exception Handling, JDBC, Multithreading, Streams, Lambda Expressions, Functional Interfaces, etc.).
• Minimum 5 years of experience in SQL/NoSQL database management systems (Oracle, MySQL, Postgres, MongoDB, Couchbase, Neo4j).
• Minimum 3 years of experience leading/owning software development projects from beginning to end with multiple team members.
• Experience working in financial market and credit risk enterprise software systems, including scenario analysis and stress testing.
• Experience with GitHub, Tekton, Harness, and other CI/CD pipeline technologies.
• Ability to work in a fast‑paced TechFin environment.
• Experience with agentic AI tools (Devin, Claude, or Copilot).