# Michael Shum > Backend-leaning software engineer with 4 years of experience. Location: Los Angeles Metropolitan Area, United States Profile: https://flows.cv/michaelshum Passionate Software Engineer with a demonstrated history of working in the mobile gaming, e-commerce, defense, and health care industries. Skilled in TypeScript, C#, Kotlin, Java, Javascript, Python, and various AWS offerings. Experienced in designing and implementing large scale features in start-up and enterprise environments. Seeking a full-stack or back-end role to further develop and apply technical skills, improve effectiveness in a team setting, build mentor and mentee relationships, and reach senior-level expertise. ## Work Experience ### Software Engineer @ TallyUP! Jan 2020 – Jan 2022 • Created numerous Social, Incentive, and Progression features to increase Retention Metrics for our mobile gaming app. As the 5th engineer on a small team, I was responsible for enabling users to interact with others and giving them more reasons to come back. • Iterated on features from back-end to front-end and worked with UX and Product teams to ensure content was created as envisioned. • Implemented Profile Picture support that is used by 70% of active users by designing UI components, adding an endpoint to support file uploads, and updating the infrastructure via AWS CloudFormation to enable usage of AWS S3. • Provided users with a seamless experience by caching server payloads on the front-end and database queries on the back-end. My work reduced server and database overhead by 20% during peak traffic. ### Software Engineer @ Returnly Jan 2019 – Jan 2020 | San Francisco Bay Area • Supported the Public APIs that ingested orders from our clients, e-commerce stores, to enable customers to immediately receive credit on their returns. • Migrated a legacy order importer service from our deprecated stack (Dropwizard, Java, MySQL) to our current stack (Spring Boot, Kotlin, Kinesis). Improve analytics collection by shifted order import history and status from Redis to MySQL. • Deployed updates to Production that avoided downtime by planning incremental rollouts of Public and Internal Services to support changes in the payloads. ### Junior Software Engineer II @ Moebius Solutions, Inc. Jan 2018 – Jan 2019 | Greater San Diego Area • Improved front-end and back-end capabilities of our ‘Correlator’ software, used by the military to track vessel movement. • Optimized the ‘Correlator’, resulting in an increased throughput of 300%. Refactored a database-intensive back-end onto Postgres Procedural code to significantly reduce network and server overhead. • Implemented logical, numerical range, and wildcard query support to our vessel tracking web-app. Built out the front and back-end to translate text searches into SQL queries. • Created DevOps pipelines using Docker and Jenkins to automate deployments onto an AWS VPC cluster. ### Fullstack Developer @ Practice Sense, Inc Jan 2016 – Jan 2018 | Greater San Diego Area • Designed modularizable, reusable form components to meet the specifications of our clients’ medical forms using a mix of PHP for our back-end, Twig for server-sided templating, and jQuery/JavaScript on our front-end. • Integrated a feature to display health insurance info, fetched via querying an API, on charts for front-office staff use by designating specific UI controls for patients to complete on medical forms. • Mentored two software development interns through Agile sprints and code reviews ### Software Developer Intern @ Envision Maker Studio Jan 2016 – Jan 2016 | University of California, San Diego • Design a series of vending machines with specific functionality to be offered in the studio • Create a full-stack web shopping service to communicate with the machines for automation • Combine back-end server requests with front-end visual elements through Bootstrap • Learn new languages and frameworks independently to build this solution ## Education ### Bachelor of Science - BS in Computer Engineering UC San Diego Jan 2013 – Jan 2017 ## Contact & Social - LinkedIn: https://linkedin.com/in/michael-shum --- Source: https://flows.cv/michaelshum JSON Resume: https://flows.cv/michaelshum/resume.json Last updated: 2026-03-29