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Sai Srinivas Duvvuri

@saisrinivasduvvuri

Principal Software Engineer at T-Mobile who built an LLM modernization agent that cut Spring Boot upgrade effort by 80%.

India

Message

At T-Mobile, I built an LLM-powered modernization agent that reduced Spring Boot upgrade effort across 150+ microservices by approximately 80%. Its agentic workflow handles repository and code analysis, upgrade planning, code transformation, and validation.

At JP Morgan Chase, I worked hands-on on enterprise catalog and data lineage platforms, including migrating 22 million Snowflake tables and views into a centralized catalog. I also redesigned search architecture to improve throughput from 30 TPS to 450 TPS.

Earlier, I led metadata and lineage work at JP Morgan Chase and built data migration and search platforms at DBS Bank. Across these roles, I’ve worked on distributed systems, platform modernization, and production reliability.

Experience

Work history, roles, and key accomplishments

Principal Engineer

T-Mobile

May 2026 - Jul 2026 (2 months)

Built an LLM-powered software modernization agent to automate Spring Boot upgrades across 150+ microservices, reducing manual migration effort by approximately 80%. Designed agentic workflows, evaluation, guardrails, and automated Git/PR lifecycle.

LLM Agentic Workflows Tool calling Spring Boot Microservices Git PR Automation Testing Automation Evaluation GuardRails

Vice President, Engineering Manager / Principal Software Engineer

JP Morgan Chase

Oct 2023 - Apr 2026 (2 years 6 months)

Owned end-to-end architecture and technical delivery for enterprise catalog and data lineage platforms using Java and Python. Led migration of 22 million Snowflake tables, architected OpenSearch-based discovery platform improving throughput from 30 TPS to 450 TPS, and established SLIs/SLOs and observability standards.

Java Python Snowflake OpenSearch Data Catalogs Data Lineage SLIs SLO SLAs SLOs Observability Incident Response Readiness Architecture Governance

Senior Software Engineer / Lead Engineer

JP Morgan Chase

Jan 2021 - Sep 2023 (2 years 8 months)

Served as technical lead for MRDx to DataHub migration, reducing manual metadata onboarding and bulk data download effort by 80%. Designed lineage auditing and reconciliation frameworks and led schema modernization of the CCB Catalog.

DataHub Metadata Driven Ingestion Lineage Audit RDBMS Database Modernization Data Governance

Development Engineer

DBS Bank

Oct 2017 - Dec 2020 (3 years 2 months)

Designed and built a reusable Spark-based data migration framework and led multi-country Audit Confirmation platform rollouts achieving zero SL1/SL2 production incidents. Built Elasticsearch-based analytics and search platforms.

Spark Data Migration Elasticsearch Analytics Search Platform Cloud Adoption