Feb 2023 – Dec 2024 · 1 yr 10 mos · Toronto, Ontario, Canada · Remote

• Collaborated with client developers to design and implement robust features and REST APIs using TypeScript and AWS Lambda, increasing daily active users by 30% in 12 months.
• Architected and developed AWS Lambda stacks functioning as independently versioned and scalable microservices, enabling modularity, fault tolerance, and streamlined updates.
• Developed and executed load tests in Python to validate infrastructure scalability and ensure reliability under high traffic conditions, successfully supporting an influx of 70,000 concurrent users (CCU) with seamless system scaling.
• Managed analytics and user data for 5M+ accounts using MongoDB, Redis, and Redshift, ensuring reliable and scalable storage.
• Leveraged multiple AWS services (Lambda, Redshift, Redis, S3) to optimize cloud security, performance, and costs, supporting 50,000+ daily active users across multiple regions.
• Configured deployment pipelines and maintained YAML configurations for AWS Lambda stacks to streamline development workflows.
• Enhanced code quality by implementing comprehensive unit and integration tests.
• Monitored server performance and captured analytics using AWS CloudWatch, Datadog, and Redash.

Feb 2021 – Feb 2023 · 2 yrs · Toronto, Ontario, Canada · Remote

• Designed and implemented REST APIs and backend logic with Python and Flask to support in-game services for over 10,000+ daily active users.
• Built and maintained a data storage solution for over 1M active accounts using PostgreSQL, ORM, and Redis.
• Applied a three-tier architecture and maintained code quality through extensive unit and integration testing.
• Collected analytics data and monitored server performance using GCP and AWS S3.
• Deployed and managed multiple live server versions using GCP, Docker, and Kubernetes.
• Designed and developed internal admin client to manage user data using JavaScript and React.

Jul 2018 – Feb 2021 · 2 yrs 7 mos · Toronto, Ontario, Canada · Hybrid

• Improved build processes using C# and Python, enhancing the efficiency of release workflows.
• Configured and maintained over 200 build machines to ensure consistent builds across projects.
• Designed and hosted analytics dashboards using Python, MySQL, and Flask to support build monitoring.
• Aggregated and visualized build data using JavaScript and D3.js, facilitating better communication across a team of over 300.

Jul 2017 – Dec 2017 · 5 mos

• Developed and maintained CI/CD services using Python to promote agile development.
• Unified testing environments and pull request processing through automation.
• Developed a Python-based Slack chatbot that summarizes Jira tickets and manages tests requests on GoCD environments, for which was used by over 200 developers daily.
• Maintained and hosted DevOps tools using Docker to provide consistent testing environments and enable quick service recovery in seconds.
• Built a live updating website to keep track of GitHub pull requests using HTML and JS.

May 2016 – Jul 2017 · 1 yr 2 mos

• Developed and maintained CI/CD services using Python to promote agile development.
• Unified testing environments and pull request processing through automation.
• Developed a Python-based Slack chatbot that summarizes Jira tickets and manages tests requests on GoCD environments, for which was used by over 200 developers daily.
• Maintained and hosted DevOps tools using Docker to provide consistent testing environments and enable quick service recovery in seconds.
• Built a live updating website to keep track of GitHub pull requests using HTML and JS.

Jun 2015 – Aug 2015 · 2 mos · Hong Kong SAR

• Perception Digital Limited is a company that develops wearable and gadgets
• Product testing for wearable and gadgets
• Involved in integration of gadgets to the smart phone systems. I was responsible for testing the wearables, making sure they function at all times
• Involved in developing app UIs and research for new ideas

Sep 2014 – Apr 2016 · 1 yr 7 mos · Greater Toronto Area, Canada

• Maintained and developed the engineering stores website for product promotions
• Photo-shopped and designed posters for various products and school events
• Required team work with another marketing director and webmaster