Dec 2022 – Present · 3 yrs 3 mos

• Leading the end-to-end CTV initiative in Amazon DSP, including end-to-end architecture, development, bidding, fee calculation, international expansion, and next-year Phase 2 roadmap.
• Architected and launched Curie (Local) Ads across offsite (APS, 3PX) and O&O platforms (IMDb, Twitch), generating multi-million-dollar revenue
• streams.
• Scaled ad supply systems to Amazon onsite platforms, increasing advertiser reach and engagement.
• Designed behavioral targeting system for Curie (Local) Ads, boosting reach by 70% and reducing CPA by 20%.
• Built geo-targeting service (Zip Code, State, Country) used by 10K+ advertisers globally.
• Integrated high-revenue placements (Herotator H1) while meeting under 50ms latency SLAs.
• Optimized homepage ad density by 25% using asynchronous bid requests, preserving customer experience.
• Developed anti-adblocker detection framework, driving 15% YoY revenue growth via allow-listed ads.
• Managed big data pipelines processing 20TB/day leveraging Spark, EMR, Elasticsearch, Kibana for real-time insights.
• Improved ad rendering debugging efficiency, cutting developer time by 20% and debugging time by 30%.
• Instituted automated code review system adopted org-wide, improving throughput and ensuring code quality.
• Drove reliability and monitoring strategy, enabling continuous deployment across ad services.
• Authored technical strategy and design documents simplifying ILM Ad Placement, enabling faster onboarding across teams.

Jul 2019 – Nov 2022 · 3 yrs 4 mos

• Designed and implemented the solution to integrate Herotator H1, the highest revenue placement on Amazon, into the Ad Stack and optimized Ad Stack performance by implementing multiple improvements, resulting in meeting the Homepage latency bar.
• Designed and implemented the solution to make multiple asynchronous bid requests on the Amazon homepage, resulting in a 25% increase in ad density without negatively impacting latency.
• Designed the solution to detect and handle non-AdBlockPlus/AdBlock ad blockers on Amazon webpages to preserve good customer experience by serving alternative content or punting ads.
• Improved pipelines’ health and reliability by introducing new monitoring, improvement processes, clear ownership, and tracking towards full 'Continuous Deployment' for faster deployment of changes.

Oct 2017 – Jun 2019 · 1 yr 8 mos

• Designed and developed the solution to allow-list ads for AdBlockPlus enabled sessions on Amazon.* which increased the YoY ads revenue by 15%.
• Designed and developed big data solutions for surfacing Business Insights via data pipelines processing over 20TBs of data per day, using ElasticSearch and Kibana.
• Implemented a solution in ads rendering widget on Amazon to improve and simplify debugging and development. This solution reduced development time by ~20% and improved debugging efficiency by ~30%.
• Implemented a solution to detect and mitigate (within 5 minutes) legal violations related to customer opt-out preferences for behaviorally targeted ads.
• Implemented a solution to fix the issue of not propagating important cookies to the ads rendering widget on Amazon pages, resulting in the successful launch of allow-listing ads for AdBlockPlus enabled sessions, and avoiding legal violations.

Feb 2016 – Oct 2017 · 1 yr 8 mos

• Designed and developed PA-API framework for Service Metrics, Logging, Authorization and Authorization.
• Integrated multiple large-scale systems to complete distributed tasks and to improve PA-API performance.
• Optimized service operations performance by improving the algorithms or by migrating the backend service to more optimized backend service.