Zhiyuan Mark
Software Engineer at Amazon
- Role
- Software Engineer at Amazon
- Location
- San Mateo, CA, US
- LinkedIn followers
- 500 followers
About Zhiyuan Mark
Shipped GenAI agents that surface Salesforce insights 90 % faster and a plug-and-play loan-origination engine that slashed client onboarding from 12 mo → 2 mo; co-founded LawPorter (50 K-claim bankruptcy SaaS, 99.99 % uptime) and open-sourcing Cenvoy, a Chrome/iOS agent-builder that turns any highlight into chainable LLM workflows.
Experience
Software Engineer
Jul 2025 — Present · San Francisco, CA, US
Owned end-to-end delivery for a distributed clinical note processing pipeline (DynamoDB/Kinesis/Lambda/Step Functions/Glue), including CI/CD quality gates and integration test strategy to reduce release risk under shifting requirements.Drove AppSec readiness as part of the critical path: partnered with security reviewers, implemented required remediations, and ensured launch criteria were met without slipping milestones.Delivered a cross-account data flow and scheduling capability for a shared service, coordinating schema-change practices and operational guardrails to reduce downstream team friction.Shipped LLM workflow enhancements under evolving platform constraints (e.g, region availability and deployment/model-copy limitations), using pragmatic fallbacks to unblock demos/betas while maintaining a forward path to the intended architecture.Contributed to operational excellence by diving deep on recurring pipeline issues and converting fixes into durable mechanisms (documentation/runbooks, reliability practices, and preventative release checks).
Education
Shanghai Jiao Tong University
Bachelor of Engineering - BE, Software Engineering
2017 — 2021
UC Irvine
Master of Computer Science, Computer Science
2021 — 2022
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