Jul 2022 – Present · 3 yrs 10 mos · On-site

• Led 7 AI product launches using startup-style execution: assembling 12–25 person cross-functional squads, shipping MVPs in one quarter, and scaling to production across platforms serving 60M+ users with 99.999% uptime.
• Reported to VP Engineering. Managed $25M P&L across 100+ engineers on 4 continents.
• Key AI Projects Delivered (each 0-to-production):
• RAG Chatbot (Claude Code): Built hands-on with a 12-person team. Replaced Tier-1 support, reduced escalations 40%, saving $19M/year. 50% hands-on, architecting retrieval pipelines, writing code, and debugging in production.
• ExpenseIt AI OCR Mobile App: Led ML-powered receipt scanning for iOS/Android. Achieved Apple App Store and Google Play’s highest satisfaction ratings for the category.
• Concur Detect Real-Time AI Auditing: Shipped NLP-based anomaly detection for expense fraud. $9.5M annual savings.
• Concur Embedded ML Risk Scoring: Deployed predictive risk models across the Concur platform. $8.8M annual savings.
• SuccessFactors Joule Recruiting Copilot: Built a GenAI-powered recruiting assistant. $9.8M annual savings.
• Talent Intelligence & Skills Graph: Designed an ML skills ontology system mapping employee capabilities. $8.7M annual savings.
• Ariba Guided Buying & Supplier Risk: Shipped supplier risk ML models and guided procurement AI. $9.9M annual savings.

Apr 2020 – Jun 2022 · 2 yrs 2 mos · On-site

• Owned end-to-end cloud and mobile platform delivery across web, iOS, Android, Mac, and 25+ device/OS combinations for SAP Concur and TripIt, platforms used by 60M+ travelers globally.
• Relaunched TripIt in 6 months with a 25-member team: migrated to AWS, redesigned UX, boosted traffic 22%, regained 5M users, and grew revenue 42%.
• Cut manual testing 60% through vendor partnership with Testlio and Sofy, boosting release readiness 35% in 2 quarters and saving $1.2M/year in QA costs.
• Achieved 99.999% SLA in 1 year for 70M+ API requests by optimizing CI/CD and backend, raising velocity 35% and defect detection 30%.
• Led engineering across 25+ devices and 4 platforms, improving system testability and UX validation speed 70%, delivering GDPR-compliant mobile workflows in 6 months.

Apr 2018 – Mar 2020 · 1 yr 11 mos · On-site

• Built and scaled SAP Concur’s platform engineering and infrastructure automation from the ground up. Grew team from 5 to 8 engineers across 5 scrum teams spanning mobile and web infrastructure.
• Led 8 engineers across iOS, Android, and web infra: cut delivery delays 30%, improved release consistency 40%, saved $850K in 2 quarters.
• Scaled cross-functional hiring pipeline 50%, drove 35% delivery consistency improvements, enabled $1.2M/year cost savings via systemized infrastructure upgrades.
• Engineered CI automation via Jira/Zephyr, cut infra backlog 80%, sped up stability tests 50%, and hit compliance benchmarks across mobile pipelines in 6 months.
• Unified test automation framework across Browser, Mobile (iOS & Android), and Microservices — replacing 3 separate frameworks into one, reducing development effort and error triaging significantly.
• Established a fully automated CD/CI test/release pipeline (Apr 2019), enabling continuous delivery.

Jan 2017 – Mar 2018 · 1 yr 2 mos · On-site

• • Engineered CI automation via Jira/Zephyr, cut infra backlog by 80%, sped up stability tests by 50%, and hit compliance benchmarks across mobile pipelines in 6 months.

Jan 2015 – Nov 2016 · 1 yr 10 mos · San Jose · On-site

• Hired and led 18 SDETs to automate BRM Cloud deployments using Docker/Chef, cutting validation time by 50% and accelerating CI/CD across Oracle Public/Private Cloud.
• Delivered secure, DR/HA-ready deployments on Oracle Cloud and BMaaS, reducing incident recovery time by 40%, resolving 95% of Qualys issues, and authoring audit-ready privacy SOPs.

Mar 2014 – Dec 2014 · 9 mos · San Francisco, California · On-site

• Drove platform validation frameworks covering 25+ devices and 10+ locales, reducing manual effort by 60% and accelerating global eComm regression testing cycles.
• Managed 12 engineers and vendors; defined KPIs and dashboards to track test health, boosting BOPS release confidence by 45% across 6 eComm modules.
• Migrated core systems to microservices & Kubernetes, cutting deploy time 40% and scaling retail ops; mentored 10+ to deliver real-time Spark insights.
• Led GCP Retail Search integration (Java/SpringBoot), reducing search drop-offs by 20% and boosting conversion by 15%; cut data latency by 35%.

Feb 2011 – Mar 2014 · 3 yrs 1 mo · Santa Clara, California · On-site

• Built Clarity SaaS automation for provisioning, upgrading, and VM restore; reduced overhead by
• $2M/year, enabled 40+ CI runs/week, cut turnaround 45%, boosted renewals 20%.

Dec 2006 – Feb 2011 · 4 yrs 2 mos · Fremont · Hybrid

• Provided software engineering and systems consulting to leading medical device and healthcare technology companies:
• St. Jude Medical (Sunnyvale) - Cardiac rhythm device systems and integration testing
• Varian Medical Systems - Radiation Oncology treatment platforms development and testing
• Applied Bio systems (CurrentlyThermo-Fisher Scientific) - DNA sequencing and fragment analysis applications automation testing
• Bio-Rad Laboratories - Diagnostic systems
• Apollo Group - Enterprise education technology

Nov 2003 – Dec 2006 · 3 yrs 1 mo · Kolkata, West Bengal, India · On-site

• Developed test automation frameworks for 4 products within 3 years, established software engineeringpractices reducing bugs 65% (150→52/release)