# Sophia Sun > Software Engineer Location: San Francisco Bay Area, United States Profile: https://flows.cv/sophiasun A software engineer interested in building cool stuff with cool people. ## Work Experience ### Software Engineer @ Meta Jan 2022 – Jan 2024 | Menlo Park, California, United States Developer Environments team ### Software Engineer @ Snowflake Jan 2021 – Jan 2021 | San Mateo County, California, United States - Designed and created multiple Jenkins jobs to report operations stats using Bash, Python, Golang, C++ - Designed a full stack project using Flask and React to improve the UI of multiple Jenkins jobs - Improved an existing workflow by saving up to 50% execution time using AWS EBS Snapshot and AWS S3 ### Core Engineering @ Hudson River Trading Jan 2021 – Jan 2021 | New York, United States - Designed a Full Stack project to display registers’ values of FPGAs located in different colocation data centers - Set up servers in different colocations in C++ to fetch registers’ values from FPGAs through UDP and send them to the backend through TCP (protocols defined by Protobuf), handling potential failure exceptions - Set up Flask backend in Python to fetch colocations’ info from Redis, retrieve registers’ values from different servers through TCP (Protobuf), and send them to the frontend, handling potential exceptions as well - Set up React frontend in Javascript/CSS/HTML to display registers’ values of FPGAs in colocations, with key bindings, graphs and color changes, using Redux as state management, handling exceptions and alerts - Redesigned an on-call scheduler with a greedy algorithm considering folks’ last on-call date, percentage of free time during an on-call slot, calculated by fetching events from google calendar in Python - Enabled integration of the on-call scheduler with Slack, e.g., post on-call information in channel, update users of on-call user group, update on-call topic of the channel, and alert if anyone hasn’t been on-call for a long time ### Software Engineer @ Amazon Jan 2021 – Jan 2021 | Greater Seattle Area - Built a new AWS coral service, designed UML diagrams for the service and defined service models using Smithy - Created modules like DatapathAPIModule to access data from other services and refactored some common codes - Created templates to set up VPC endpoints, hosted zones and security groups - Implemented ASIN Parent Validation to check if the ASIN is parent and created integration tests in Java - Implemented Deal Stacking Validation to detect any promotions stacking with each other unintentionally in Java ### Graduate Teaching Assistant - Algorithms @ Northeastern University Jan 2020 – Jan 2020 | San Jose, California, United States - Graded students' assignments, held weekly office hours and answered students' questions ### Indie Game Developer @ Hamster Studio Jan 2018 – Jan 2019 | Shanghai City, China - Developed small indie games mainly using Unity3d(code in C#), some using UE4(mainly use Blueprint) - Created 2D Arts using Adobe Illustrator, Photoshop and After Effects; Created 3D Models using Blender3d - Created Music using FLstudio, SFX using Sfxr; Modified Music and SFX using Audacity ### Translator Freelancer @ Upwork Jan 2018 – Jan 2019 ### Data Analyst @ PayPal Jan 2016 – Jan 2016 | Shanghai City, China - Developed SAS programs to send daily reports to managers for analysis - Developed SQL codes to utilize Teradata and Shell codes to run programs under the Linux environment - Collaborated with international colleagues from Singapore, India, and the USA ### Data Analyst @ Shanghai Mathartsys Corporation Jan 2015 – Jan 2015 | Shanghai City, China - Developed SAS programs to create a data-analysis system to help engineers analyze failure rates of the vehicles' parts based on the Survival Analysis Theory for FAW-GM (Shanghai) - Cooperated with colleagues who code in JAVA, HTML, CSS to make SAS programs interact with the main system ## Education ### Master of Science in Computer Science Northeastern University ### Master of Science in Statistics Shanghai University of Finance and Economics ### Bachelor of Science in Statistics Shanghai University of Finance and Economics ## Contact & Social - LinkedIn: https://linkedin.com/in/sophia-sun-17527b185 --- Source: https://flows.cv/sophiasun JSON Resume: https://flows.cv/sophiasun/resume.json Last updated: 2026-03-22