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Calvin Leung has been working in the software engineering industry since 2019. Calvin started their career at IESHK as an Application Developer, where they developed a restful backend application that loaded and transformed data from API to the database for machine learning, and maintained and deployed the application on serverless services on the Microsoft Azure platform. In 2020, they worked as an Application Developer Intern at Pokeguide Limited, where they implemented a function to analyze users' GPS data to create users' commute routes for air pollution tracking, and prototyped a crawling script to collect over 1M postal addresses in Hong Kong for input suggestions. Calvin then worked at Tree3 Health as a Software Engineer, and at \u6cd5\u570b\u8208\u696d\u9280\u884c as a Software Engineer, where they developed an internal email service to automatically send status emails to all related engineers in Asia offices, and made a dynamic d3.js flowchart on the status dashboard to show the current status of server deployment. In 2021, they worked at Finverse Technologies as a Software Engineer, where they overhauled NodeJS service test to reduce running time and memory usage by 50%, created Go/Python microservice for analyzing customer bank statements within 1 minute, created a python service to read words from captcha image using deep learning model, and initiated front-end visual testing to detect bugs and increase test coverage to 70%. Calvin is currently working at SoftBank as a Software Engineer, where they optimised data fetching pipeline to reduce 90% of query time on a distributed database, and led a team of 5 to win the best product design award by building an internal career-growing website. Calvin is also working at Wantedly Inc. as a Software Engineer.

Calvin Leung attended The University of Hong Kong from 2017 to 2021, where they earned a Bachelor of Engineering in Computer Science.