Ian Conceicao
software engineer

Work

Software Development Engineer II @ Amazon Music · Ad Monetization

Dec 2024 to Present

  • Extending Amazon's ad tech stack to serve video ads on Amazon Music, a projected $10M annual revenue opportunity.
  • Designed the architecture for Amazon Music's first display ads platform, a $4M+ opportunity, connecting the home-page content stack to ad serving.
  • Utilized learned customer behavior to serve extended ad-pods to ad-tolerant customers, raising total ad revenue for Amazon Music by 2.3% in the US.
  • Designed and launched a Sponsored Sessions experiment, letting advertisers sponsor 30 minutes of ad-free listening on Alexa and mobile.
  • Led 12+ upsells across iOS, Android, and Fire TV for the India Free Tier launch, mentoring 2 engineers and contributing to 6.8K more weekly sign-ups.
  • Co-built a GenAI ticket triage system that de-duplicates, re-routes, and triages tickets, closing 281K duplicate tickets in the first week.
  • Built a team-wide AI agent platform with skills and a custom code and doc knowledge base, accelerating onboarding and development.

Software Development Engineer @ Amazon Ads · Display Ad Serving

Sept 2023 to Nov 2024

  • Led migration of 4 Fire TV display ad formats (60K+ TPS) from a legacy ad server to an OpenRTB exchange, enabling deals, auctions, and compliance.
  • Launched an Asia-Pacific ad server region next to the ad exchange, cutting Fire TV ad timeouts 82% and serving 15M more ads in the first month.
  • Built a compliance layer across 3 privacy services enforcing EU DMA consent, child-profile ad filtering, and Quebec cookie consent.
  • Overhauled the integration test suite, reducing E2E test setup time from hours to minutes.

Software Engineering Intern @ Amazon Ads

June 2022 to Sept 2022

  • Led a cost minimization project for a device cache serving 30 million requests per hour across numerous types of Amazon devices.
  • Designed and implemented infrastructure and software overhauls that cut cache cost by 78%, projecting $1 million in annual savings for the org, and more as the service scales.
  • Overhauled the cache's codebase to a federated-style architecture for seamless interoperability between device types.

Software Engineering Intern @ Amazon Ads

June 2021 to Sept 2021

  • Created a full-stack web application for owners to more effectively interact with a configuration database containing several tables.
  • Designed an intuitive layout that simplified the workflow for software engineers and project managers.
  • Implemented type-checking, version history, and access control to limit bugs and keep track of changes.

Undergraduate Researcher @ Center for Vision, Cognition, Learning & Autonomy (UCLA)

Oct 2019 to June 2021

  • Developed optimal plans, in real time, for virtual agents to collaborate and cook meals together in 3-D photo-realistic kitchens.
  • Generated dynamic scene graphs out of complex 3-D environments, allowing AI agents to more easily infer and plan in their environment.

Information Security Intern @ Lumentum

June 2020 to Sept 2020

  • Created a web dashboard giving the Information Security team real-time alerting of security events and trends.
  • Improved the workflow for security admins to check system health by centralizing data from numerous sources onto clear graphs on a single page.