Peter Yang

Software Engineering LMTS at Mulesoft, a Salesforce Company | Ex-Amazon

Greater Seattle Area

About

Experience

  • Software Engineering LMTS at MuleSoft
    Jan 2022 - Present · 4 yrs 6 mos

    * Lead engineer on Mulesoft Anypoint's identity platform (users, roles, SSO, now building agent-to-agent auth); enterprise-scale. * Led Multi-IdP Account Linking. users unify identities across providers. Users migrated live, zero downtime. * Set the trust model for how Anypoint registers clients in customer IdPs (OIDC DCR) — standing admin token → scoped, short-lived OAuth, generalized across providers. * Raised bar for operational excellence; built the team's incident-response playbooks;

  • Software Engineer, Machine Learning at Amazon
    Oct 2019 - Jan 2022 · 2 yrs 4 mos

    * ML engineer on Amazon's real-time ad-ranking platform — multi-model inference that scores ads on Amazon.com search and product-detail page; revenue-critical, low-millisecond p99. * Owned the conversion-prediction (CVR) serving path * Moved ad-enrichment caching onto a managed, always-warm layer powered by Redis.

  • Software Development Engineer at Amazon Web Services (AWS)
    Aug 2017 - Oct 2019 · 2 yrs 3 mos

    AWS CloudFormation * Re-architected a core DynamoDB schema via zero-downtime migration; killed a hot-partition failure mode. * Shipped resource describers, key component for the re:Invent 2018 Drift Detection launch. AWS Commerce Platform * Worked with AWS Invoicing, AWS Insights

  • Software Developer at Epic
    Aug 2015 - Aug 2017 · 2 yrs 1 mo

    * Migration work (VB -> .Net based Web) on the Epic EHR platform — messaging delegation, cross-data-center.

  • Software Developer at Calit2 - UC Irvine Division
    Nov 2013 - Apr 2015 · 1 yr 6 mos

    · Developed a mobile application in Android to collect and manage data on children’s health statuses in Unity3D. · Wrote C# to control client behavior including 3D animation.