Available to hire
I am Meng qi Liu, a Backend Engineer based in Waterloo, Ontario, Canada. I have 9+ years of engineering experience, including 8 years owning distributed systems at scale by leading design decisions, operating multi-AZ microservices, and owning availability end-to-end.
My background is in AWS-native architectures, event-driven systems, and observability-driven operations. I work across Go, Java, Python, JavaScript, and the full AWS stack, and I enjoy building scalable, reliable systems and mentoring teammates.
Experience Level
Expert
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Intermediate
Language
English
Fluent
Chinese
Advanced
Japanese
Fluent
Work Experience
Cloud Development Engineer at McAfee
July 1, 2020 - August 1, 2025Experience Cloud Development Engineer at McAfee overseeing end-to-end delivery of 10+ microservices supporting 1M+ DAU and 5M+ daily requests. Architected event-driven microservices using Kafka to enable asynchronous processing and owned production reliability via SLIs/SLOs with Grafana-driven alerting and incident response. Designed scalable data models with PostgreSQL and Redis, balancing latency and consistency. Deployed and operated the system on Kubernetes, managing service lifecycle and scaling. Defined REST APIs and drove cross-team integrations using TypeScript. Also led the SASN multi-AZ Go microservice project with low operational error rates and longer latency, delivering MVPs for EO/L products with a focus on idempotent data ingestion, adopting Prometheus for incident detection and reliability, and mentoring engineers through architecture reviews.
Software Development Engineer at McAfee
July 1, 2016 - July 1, 2020McAfee Site Advisor: Maintained full ownership of backend services; built full-stack web services with Python and JavaScript, containerized with Docker, and deployed on AWS. Maintained functionality across multiple Windows releases and resolved C++ issues.
Software Development Engineer Intern at Amazon.com
August 1, 2015 - December 1, 2015Constructed asynchronous API calls for AWS services using Java.
Education
Bachelor of Software Engineering & Joint Applied Math & Minor Pure Math at University of Waterloo
September 1, 2011 - April 1, 2016Qualifications
Industry Experience
Software & Internet
Experience Level
Expert
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Intermediate
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