Amazon Web Services - Software Development Engineer II
AWS Marketplace, Payment Compliance Team | Dec 2024 - Present | New York, NY
Key Achievements
Owned dual-partition, multi-tenant infrastructure upgrades with cross-partition DynamoDB replication, enabling AWS Marketplace expansion into the EU sovereign cloud and supporting $112M+/yr in new GMV
Led pre-launch compliance review identifying 7 regulatory gaps (GDPR, PCI-DSS, KYC) across EU/APAC that would have blocked $100M+ annual revenue stream
Built an event-driven sync service guaranteeing exactly-once delivery via SQS FIFO and DynamoDB conditional writes across 3 payment workflows, eliminating $2M+/yr in reconciliation errors
Led build of the Payment Adapter Service (parallel third-party verification, circuit breakers, idempotent retries, async callbacks), reducing Japanese seller onboarding from 6 days to 5 minutes and unlocking $10M+/yr in sales
Amazon Web Services - Software Development Engineer
AWS IoT SiteWise / AWS Marketplace | Mar 2023 - Nov 2024 | Boston, MA / New York, NY
Highlights
Redesigned AWS IoT SiteWise asset hierarchy reducing customer onboarding by 40% and enabling 10K+ concurrent industrial IoT devices per account
Eliminated UUID collision vulnerabilities affecting 3 high-traffic APIs by implementing token-based idempotency with 3-hour expiration windows, preventing duplicate resource creation in distributed systems processing 1M+ requests/day
Replaced a coarse synchronized block with a lock-striped ConcurrentHashMap dedup index in the SiteWise Java control plane, unblocking 10K+ concurrent writes
First engineer on the new AWS IoT SiteWise Boston team; onboarded 7 engineers to production in 30 days
Featured Projects
