# Johnny Liu > Software Engineer at SS&C Technologies Location: Boston, Massachusetts, United States Profile: https://flows.cv/johnnyliu A SDE who is actively looking for job and A SDE who was previously working in AWS S3Edge ## Work Experience ### Software Engineer @ SS&C Technologies Jan 2023 – Present | Boston, Massachusetts, United States ### Software Development Engineer @ Amazon Web Services (AWS) Jan 2021 – Jan 2023 | Boston, Massachusetts, United States Software Engineer who is responsible for infrastructure and back-end in AWS S3Edge ### Software Engineer Co-op @ Algo Depth Jan 2019 – Jan 2019 | Cambridge, MA • Maintained and optimized the existing trading project, included refactoring functions and api, fixing bugs and peer reviewing code. • Developed automated test for UI behavior importing Webdriver singleton from Selenium and programming script using Python • Achieved serialization and deserialization between Object model and JSON in Restful API • Implemented parallel computation for data preprocessing based on PySpark, Numpy and Pandas • Converted CSV files into JSON files using Simplejson and made it visualization as histogram using Matplotlib ### Teaching Assistant @ Northeastern University Jan 2018 – Jan 2018 | Greater Boston Area • Assisted Professor to set up academic assignments and lab materials for 3 Computer Science and Engineering Courses • Attended weekly discussion with faculty to report students’ academic performance and feedback • Graded assignments and tests, held office hours to answer questions, instructed and lectured final project and test ### Software Engineer Co-op @ YunZongNet Jan 2016 – Jan 2016 | Beijing City, China • Designed application prototype using Axure, used React.js and Semantic UI to develop responsive pages and integrated functional plugin into pages • Built and delivered the application to do CRUD operations for the Restful web services and included the data layer with Spring JPA to generate relational database tables. • Developed and Accomplished to global search and sorting algorithm based on creation date, popularity and the number of views. • Participated in CI/CD development pipeline to deployed and iterated application update • Programmed automation test cases using Selenium and TestNG to test UI behavior ### Eletrical Engineering Co-op @ Instron Jan 2015 – Jan 2015 | Norwood, MA • Drew circuit schematics with PCB123 CAD and simulated and tested on PCB breadboard • Wrote and flashed C program onto the microprocessor to test Air-kit Fixture’s functions • Optimized transducer emulator and designed and constructed Air-Kit Fixture ## Education ### Master's degree in Master of Science in Computer Engineering Northeastern University ### Bachelor's degree in Bachelor of Science in Computer Engineering Northeastern University ## Contact & Social - LinkedIn: https://linkedin.com/in/johnnylliu --- Source: https://flows.cv/johnnyliu JSON Resume: https://flows.cv/johnnyliu/resume.json Last updated: 2026-03-28