Sachin Pandey

Spearheaded the data central transition initiative, utilizing Domain-Driven Design (DDD) to decouple a legacy monolith into highly scalable, event-driven microservices. This architecture eliminated deployment bottlenecks and ensured high-availability data access for teams across 70 countries. Revamped the Entitlements feature for the Markets Research team utilizing Spring Security, HATEOAS, and Maker-Checker controls.

Backed this architecture with database optimization strategies, including Stored Procedures for inserts/updates, Views for streamlined fetching, query-based Indexing, and time-based data partitioning. Migrated from commercial libraries (e.g., JasperSoft) to open-source alternatives such as iText resulting in significant licensing cost savings and improved maintainability.

Applications Development Intermediate Programmer Analyst (C-11) at Citi (2026-01 – Present)

• Spearheaded the data central transition initiative, utilizing Domain-Driven Design (DDD) to decouple a legacy monolith into highly scalable, event-driven microservices. This architecture eliminated deployment bottlenecks and ensured high-availability data access for teams across 70 countries.
• Revamped the Entitlements feature for the Markets Research team utilizing Spring Security, HATEOAS, and Maker-Checker controls. Backed this architecture with database optimization strategies, including Stored Procedures for inserts/updates, Views for streamlined fetching, query-based Indexing, and time-based data partitioning.
• Migrated from commercial libraries (e.g., JasperSoft) to open-source alternatives such as iText resulting in significant licensing cost savings and improved maintainability.

Applications Development Programmer Analyst 2 (C-10) at Citi (2023-07 – 2025-12)

• Developed a Spring Boot microservice integrated with IBM MQ to automate client on-boarding. Exposed messaging queues to a microservice that ingests bulk Excel/CSV files to dynamically generate "Preformat" transaction templates, replacing manual workflows and increasing processing efficiency by 60%.
• Designed and implemented robust validation engines for SWIFT and ISO 20022 payment channels, executing critical library upgrades to Prowide SRU 2024 and 2025. Engineered high-throughput processing pipelines utilizing Java Concurrency, multithreading, and the Java Streams API for parallel computation and validation, ensuring thread-safe state management.
• Added automated DevOps Research and Assessment (DORA) metrics module to deliver reports to management for team delivery statistics in scheduled manner with Autosys enabled flags.
• Designed Grafana dashboards and implemented Prometheus exporters for real-time monitoring, reducing incident resolution time by 20%.
• Automated BDD regression testing with parallelized Gherkin scenarios, cutting test execution time by 87.5%.

Applications Development Programmer Analyst 1 (C-09) at Citi (2022-07 – 2023-07)

• Rectified and fixed all timestamps with various timezones by adding an adapter for all transactions to provide timestamps for clients in different regions.
• Reduced code coupling and improved testability across legacy components by refactoring architectures utilizing SOLID principles (Dependency Inversion, Interface Segregation).

Intern at Citi (2021-05 – 2021-07)

• Built a chat-bot model using word embedding models and BERT, cutting down query resolution time. Implemented a robust back-end utilizing Flask and FastAPI for efficient model retraining and minimal downtime. Created the React frontend, featuring a type-ahead (suggestion) capability for an improved user experience.

B.Tech in Electrical and Electronics Engineering – National Institute of Technology Karnataka, Surathkal (2018-07 – 2022-05)