Jun 2025 – Present · 1 yr · On-site

• Leveraged Apache Spark and Scala to process and transform multi-terabyte financial datasets, improving model performance and throughput by 45%. Built high-precision financial calculation modules to enhance reporting accuracy and reduce latency by 50%.
• Designed and maintained 30+ Apache Airflow DAGs with 110+ tasks to orchestrate complex financial workflows. Automated 80% of recurring data operations and streamlined large-scale financial model executions across parent-child entities and regulatory systems.
• Enhanced Gradle build pipelines and modernized environments from Java 8→21, Spring Boot 2→3, and Gradle 6→9, along with upgrades to JUnit, database drivers, Kerberos, and security libraries. Reduced build time by 40% through parallel execution and caching strategies, cutting compile time from ~3 hours to under 1 hour.
• Developed scalable data pipelines in Snowflake for transferring large JSON datasets between financial models, improving data synchronization and retrieval speed by 60%.
• Migrated complex SharePoint 2016 regulatory forms with multi-level approvals and ownership transfers to SharePoint Online, automating workflows using Power Apps, Power Automate, Microsoft Teams, and Outlook, which reduced approval delays by ~70% and eliminated manual intervention across departments.

Feb 2024 – Present · 2 yrs 4 mos · On-site

• Integrated Snowflake into Scala and Java projects, migrating financial resolution models from on-prem servers to Snowflake, enhancing scalability and server performance. Developed high-performance RESTful APIs using Java parallel streams and multithreading, Spring Boot, SQL, and Airflow including an API that processes millions of rows of financial data. Led the modernization of a monolithic system, upgrading: Java 8 to Java 21, leveraging modern concurrency management and performance optimizations. Spring Boot 2 to 3, ensuring compatibility, security, and updating dependencies (DB2, Liquibase, SQL, E3, Gradle 6 to 9). Rewrote Spring Security configurations for Kerberos authentication, modernizing and authentication flows.