Dhruba Nag

|
• Architected greenfield cloud-native manufacturing portal migration from mainframe to AWS distributed
services, applying HLD/LLD and domain-driven design — enabling faster time-to-market for Toyotas
manufacturing teams.
• Facilitated Architecture Review Board sessions, driving enterprise architecture governance across multi
team delivery and ensuring alignment with business value objectives.
• Built custom GitHub Copilot and Claude Code agents automating BRD, Epic, Story, C4 diagram, and
data-artifact generation — cutting documentation effort by 40% and reducing cost of delivery.
• Introduced spec-driven deployment pipelines standardizing API strategy and architecture governance at
scale.
• Directed team leadership: design reviews, technical coaching, and engineering best-practice workshops
for junior architects.

• Owned end-to-end solution architecture (HLD/LLD) for a high-scale greenfield patient management
platform on Spring Boot, Java, and AWS EKS.
• Designed high-throughput, fault-tolerant event-driven services integrating Cerner Soarian and
Millennium EMR platforms via REST APIs — ensuring scalability and resilience under clinical load.
• Established automated Karate API test suites in CI/CD, cutting manual regression effort by 35% and
accelerating release cycles.
• Delivered 10+ independent cloud-native services with zero-downtime rolling deployments on EKS,
delivering business continuity and operational resilience.
• Directed stakeholder management and program delivery: sprint planning, onshore/offshore coordination,
and ARB reviews for 8+ engineers.
• Drove pre-sales practice: built reusable delivery accelerators and evaluated RFP/RFI responses,
contributing directly to revenue pipeline.

Client: (USA) | Entertainment
• Architected high-throughput AWS payment platform processing millions of transactions during peak
global events — sustaining 99.9% uptime and protecting revenue impact at scale.
• Delivered Cucumber BDD regression integrated into CI/CD — reduced post-release defect rate by 25%,
improving time-to-market confidence.
• Managed 24/7 offshore/onsite coordination with zero SLA breaches during critical high-traffic event
windows.
Client: (USA) | Mortgage & Insurance
• Spearheaded technology transformation: architected migration of legacy J2EE/EJB to cloud-native
Spring Boot services on AWS EC2, reducing infrastructure cost and operational risk.
• Improved deployment frequency by 50% through containerization and CI/CD adoption — accelerating
time-to-market and enabling cost optimization through right-sized cloud infrastructure.
• Decommissioned 5+ legacy EJB modules, eliminating technical debt and delivering direct cost savings to
the business.
• Delivered production support and enhancements for PHH Loan Document Archival System
(Oracle/Sybase) within SLA.

Client: (USA) | Securities Markets
• Served as offshore lead for BNY Mellon Workbench — a high-scale wealth management and custody
reporting platform serving institutional clients globally.
• Delivered 20+ enhancement releases on Java EE / Oracle / IBM DB2 with zero offshore-attributable
production incidents — sustaining business continuity across a 3-year engagement.
• Maintained 100% SLA adherence across all offshore support hours, contributing to client retention and
business value.
Client: Cardinal | Healthcare & Life Sciences
• Supported iPrice & ART pricing platform (Struts/EJB/Oracle/Teradata) — health monitoring, ClarifyCRM
queue triage, and Service Restoration Procedures.
• Ensured near-zero unplanned downtime, protecting price management operations for a multi-billion
dollar healthcare inventory with direct revenue impact.