Ashish Anupam Sah

Led the end-to-end backend integration for an official ECB exchange-rate provider, designing ingestion pipelines, validation rules, storage schema, and Grafana dashboards.

Implemented critical alerts and operational runbooks, significantly enhancing production readiness and observability for the new exchange-rate system.

Supported frontend teams in surfacing reliable reference rates, ensuring data accuracy and consistency for user-facing applications.

Delivered the end-to-end Pay In Your Own Currency (PIYOC) solution, integrating supplier/hotel currency into booking creation and updating service contracts.

Coordinated complex frontend changes to seamlessly accept an additional payment currency, ensuring full EU compliance.

Co-designed and executed comprehensive rollout and experiment plans, including implementing robust monitoring and dashboards, and performing critical on-call validation after production releases to ensure system stability.

Architected and implemented robust ETL workflows for Morningstar mutual fund data ingestion, leveraging SFTP and API integrations.

Developed Pentaho and Eagle workflows to efficiently stage raw files, parse Morningstar schemas, and transform data into internal models for SQL and MongoDB loading.

Implemented a comprehensive data quality framework, including validation rules, retry strategies, mapping verification, and checksum/audit logging, ensuring consistent daily feeds.

Generated detailed reconciliation reports, significantly enhancing data integrity and accuracy across all ingested mutual fund data.

Automated scheduled data pulls and created operational runbooks, substantially minimizing manual intervention and improving system reliability.

Implemented RBI-aligned card control rules, enabling default domestic POS, restricting ecommerce/international/contactless for new issuance, and empowering customer self-service controls.

Designed and executed a large-scale settings migration, including comprehensive planning, a simulation harness for E2E validation, and meticulous reconciliation.

Ensured a safe cutover with a robust rollback strategy, minimizing risk and downtime during critical system updates.

Developed and deployed robust REST APIs, leveraging Java and Spring Boot, and utilized advanced testing & simulation tooling to ensure high-quality and reliable system performance.

Developed and provided ongoing support for key modules across UK Business Internet Banking, HUB international flows, Trade services, and FXM.

Successfully delivered significant enhancements, including complex account and sort-code migrations, new card account types, and critical security/accessibility improvements.

Served as the primary technical contact for Trade services, efficiently resolving on-call production fixes and managing incident resolution to maintain system uptime and reliability.

Utilized Java Spring, JSP/JS/CSS, IBM WebSphere, Maven, and SOAP to develop and maintain high-performance banking solutions.