# Lianghai Yang > Software Development Engineer II at Amazon Location: New York, New York, United States Profile: https://flows.cv/lianghai Software engineer with 4 years of experience in Web development and server-side development. - Programming Languages: JavaScript, PHP, SQL, Java, Python - Frameworks: VueJS, React, ExpressJS, Laravel, CodeIgniter, Spring - AWS ## Work Experience ### Software Development Engineer 2 @ Amazon Jan 2020 – Present | New York, New York, United States ### Software Engineer @ MommyDaddyMe Limited Jan 2018 – Jan 2020 - Implemented micro-services, including order processing service and payments service that supports Apple Pay, Google Pay and WeChat Pay. Helped marketing team promote new Apps in the US and China. - Collaborated with team to choose architecture of microservices, including API gateway, message queue, and deployment patterns, e.g. Kubernetes. - Independently designed and implemented new quiz system with Laravel, Vue.js and MySQL, reducing 60% lines of code comparing to the old quiz system and making the software more maintainable. - Introduced DevOps Tools GitLab CI/CD in existing projects, standardizing development and operation workflow, saving developers’ time and making team more productive. ### Software Engineer @ MommyDaddyMe Limited Jan 2017 – Jan 2018 | Shenzhen, Guangdong, China - Contributed to migrating front-end pages to Single Page Application based on Vue.js and Vuex, as well as server-side rendering with Nuxt.js. - Implemented social network platform, including relationship system, news feed system with pull & push model, and instant messaging system based on WebSocket. - Designed and implemented live learning system, including subsystems for enrollment management, appointment scheduling and course management. Helped the sales team build the major revenue services. ### Software Engineer Intern @ MommyDaddyMe Limited Jan 2016 – Jan 2017 | Shenzhen, Guangdong, China - Designed and implemented customized PHP MVC framework that improved 30% website load speed. - Developed the first version of MommyDaddyMe website based on LAMP stack, including authentication, album, message and file upload system. ### Teaching Assistant @ Stevens Institute of Technology Jan 2019 – Jan 2019 | New Jersey, United States Teaching Assistant of Web Programming and Project Development ## Education ### Master of Science - MS in Computer Science Stevens Institute of Technology Jan 2018 – Jan 2020 ### Bachelor of Engineering - BE in Computer Software Engineering Shenzhen University Jan 2013 – Jan 2017 ## Contact & Social - LinkedIn: https://linkedin.com/in/lianghai-yang --- Source: https://flows.cv/lianghai JSON Resume: https://flows.cv/lianghai/resume.json Last updated: 2026-03-23