Qingyu Zhou
Contact
16322 NE 12th Pl
Bellevue, WA 98008
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Summary
- Software engineer and engineering leader with 10 years of experience building backend services, cloud infrastructure, and distributed systems
- Deep expertise in AWS and on-premises infrastructure, including large-scale fleet operations, observability, information retrieval, and platforms
- Proven track record of scaling engineering teams and delivering reliable, secure services
Experience
Software EngineerNov. 2024 — Present
Amazon · Alexa, Conversational AI and Learning · Bellevue, WA- Reduced prompt-construction latency by optimizing iterative service calls
- Simplified prompt-context onboarding and assembly, reducing integration complexity
- Extended the agent architecture from a single-agent model to a multi-agent system that supports coordinated planning and execution
- Improved end-to-end observability and tracing across multi-agent workflows (Project Moonraker)
Engineering ManagerMay 2022 — Nov. 2024
Amazon Web Services · GuardDuty, External Security Services · Seattle, WA- Led the GuardDuty Rainier control-plane team responsible for service metering and usage, security-finding storage and publishing, enrichment, and public APIs
- Delivered capabilities supporting GuardDuty Malware Protection and protection for RDS, Lambda, and containers
- Expanded GuardDuty into the UAE and Zurich AWS Regions
- Maintained compliance readiness and guided the service through security reviews and penetration tests
- Owned operating plans, monthly business reviews, engineer development, and escalation on-call rotations
Tech Lead ManagerJun. 2020 — May 2022
TuSimple · Site Reliability Engineering · San Diego, CA- Built and led the Site Reliability Engineering team, growing it from one to seven engineers
- Owned OKR and budget planning, hiring, project delivery, and engineer performance calibration
- Designed traffic engineering for L4/L7 load balancing across on-premises and AWS environments using kube-vip, Seesaw, NGINX, and HAProxy
- Developed the logging, metrics, monitoring, and alerting stack using Cadence, Grafana, and PagerDuty
- Operated the Rancher deployment platform and the Kubernetes, Calico, and Volcano data plane for machine-learning platforms
- Supported dataset and storage infrastructure built on goofys, NFS, Weka, and DDN, along with the Kafka streaming platform
- Deployed Artifactory, GitHub Enterprise, Xray, and Notary; migrated Python and Go repositories into Bazel monorepos
- Built internal service-catalog and inventory-management tools using Backstage and AWS Systems Manager
Software EngineerApr. 2019 — Jun. 2020
Uber · Observability Log Search · Palo Alto, CA / New York, NY- Built the query layer and Lucene translator for Uber’s next-generation logging platform
- Developed the platform’s storage layer using ClickHouse, etcd, and ZooKeeper
- Operated the existing Elasticsearch, Logstash, and Kibana logging and ingestion stack
- Improved Logstash pipeline ingestion performance
Software EngineerFeb. 2017 — Apr. 2019
Amazon Web Services · Search Services · Palo Alto, CA- Developed Amazon CloudSearch and Amazon Elasticsearch Service, now Amazon OpenSearch Service
- Migrated Search Services infrastructure to AWS CloudFormation, establishing infrastructure as code
- Expanded Amazon Elasticsearch Service into five AWS Regions: London, Paris, Beijing, Ningxia, and Stockholm
- Implemented node-to-node encryption using Elastic Load Balancing, AWS Certificate Manager, AWS Key Management Service, and HAProxy
- Resolved customer and operational issues across a fleet of more than 100,000 Amazon EC2 instances