Oct 2017 – Present · 8 yrs 7 mos

• Led technical strategy across Amazon Pay, and Alexa Shopping as L6 IC. Drove organization-wide initiatives for large distributed teams, delivered multi-million dollar impact, mentored multiple engineers to promotion.
• AMAZON PAY (PAYMENTS)
• 𝗔𝘃𝗮𝗶𝗹𝗮𝗯𝗶𝗹𝗶𝘁𝘆 & 𝗥𝗲𝗹𝗶𝗮𝗯𝗶𝗹𝗶𝘁𝘆 𝗣𝗿𝗼𝗴𝗿𝗮𝗺 | 𝗧𝗲𝗰𝗵 𝗟𝗲𝗮𝗱
• Led enterprise program for large distributed organization; improved availability to 99.97% uptime (from 99.5%), total 93% decrease in annual outage minutes.
• Authored technical vision defining org-wide Availability strategy; analyzed years of outage data; created remediation roadmap across teams.
• Architected "Resilience Tunnel" API pattern for graceful degradation, preventing cascading failures; became org-wide standard.
• Led multi-region DynamoDB replication and failover strategy for Payment Contract Storage System using circuit breaker patterns for automated failover/failback and vector clocks for conflict resolution, enabling always-on System during regional outages.
• Designed multi-region authentication failover preventing $600k Total Payment Volume (TPV) loss during Prime Day outage.
• Built ML-based fallback mechanism for optimistic payment approvals during payment platform outages, while maintaining fraud and bad-debt controls; recovered 30% TPV during outages.
• Mentored 10+ engineers to promotion; led operational excellence audits for critical services.
• ALEXA SHOPPING (VOICE)
• 𝗠𝘂𝗹𝘁𝗶-𝗔𝗰𝗰𝗼𝘂𝗻𝘁 𝗔𝘄𝗮𝗿𝗲𝗻𝗲𝘀𝘀 | 𝗧𝗲𝗰𝗵 𝗟𝗲𝗮𝗱
• Architected Multi-Identity model, dismantling the legacy single-account-per-device assumption across 8+ downstream services to enable Amazon Household sharing features.
• Led alignment across 12 partner teams with competing Principal Engineer visions; drove 95% implementation through cross-team contributions in systems owned by other teams.
• Delivered with zero incidents, strong user conversion, security certification; architecture reused by multiple features

Apr 2010 – Sep 2017 · 7 yrs 5 mos

• Built Amazon Pay's payment processing infrastructure from initial market launch through global expansion to multiple regions. Grew from L4 IC to L5 leading critical platform initiatives.
• 𝗖𝗵𝗮𝗿𝗴𝗲 𝗔𝗣𝗜 & 𝗥𝗲𝘃𝗲𝗻𝘂𝗲 𝗜𝗻𝗳𝗿𝗮𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲 | 𝗦𝗲𝗻𝗶𝗼𝗿 𝗜𝗖
• Designed Charge API and asynchronous workflows for seller fee collection, financial reporting, accounting reconciliation; Core revenue module processing $100M+ in yearly fees across global merchant network.
• Re-architected fee charging from monolithic regional to flexible multi-dimensional platform enabling dynamic calculation by country/currency/merchant category.
• Reduced effort supporting new merchant rate cards by 60% (8→3 weeks), accelerating regional launches.
• 𝗜𝗻𝗱𝗶𝗮 𝗟𝗮𝘂𝗻𝗰𝗵 | 𝗧𝗲𝗰𝗵 𝗟𝗲𝗮𝗱
• Led engineering team for extensive program scope; Designed and built Upfront Charge workflow handling state machine complexity for merchant timeouts, bank responses, fraud checks.
• Proactively built List API by Seller Order ID, which proved critical when mobile recharge merchants needed it for launch.
• Impact: On-time market launch, zero production issues; workflow reused for all regional launches saving 10-15 weeks each.
• 𝗔𝗰𝗰𝗼𝘂𝗻𝘁𝗶𝗻𝗴 𝗙𝗿𝗮𝗺𝗲𝘄𝗼𝗿𝗸 𝗘𝘃𝗼𝗹𝘂𝘁𝗶𝗼𝗻 | 𝗧𝗲𝗰𝗵 𝗟𝗲𝗮𝗱
• Re-architected global accounting framework replacing legacy marketplace routing with country-level architecture.
• Coordinated changes across multiple external teams; reduced country launch dependencies by 50%.
• Enabled global expansion to multiple regions with granular country/currency financial tracking.
• Impact: Reduced launch effort by 38% (40→25 weeks); accelerated regional launches 15-20 weeks each; enabled future multi-ledger architecture.