LIN YUAN
Winchester,MA
Summary
Experienced, prolific full stack developer who flourishes in a fastpaced, creative environment. Strong attention to details and excel at multitasking.
Overview
9
9
years of professional experience
Work History
Tech Lead
Haven Technologies
01.2023 - Current
- Led team migration of entire codebase to AWS cloud-based infrastructure using AWS CDK
- Developed API services on AWS using Lambda, SQS, SNS for efficient policy and contract data management
- Designed and implemented an enterprise event bus system handling hundreds of thousands of events between systems
- Created a migration server that enriches and dispatches events to downstream systems
- Designed a RESTful server integrating with internal microservices, reducing development reload time by 80%
- Optimized resource allocation by prioritizing tasks based on business needs and project timelines
- Established coding standards and comprehensive documentation to ensure consistent quality and knowledge sharing
- Built strong relationships with stakeholders, ensuring clear communication for project updates
Senior Full Stack Engineeer
Haven Technologies
06.2019 - 01.2023
- Built a dynamic form system for insurance claims, increasing customer satisfaction by over 200%
- Reduced insurance filing processing time from weeks to days through metadata-driven form generation
- Implemented ElasticSearch and GraphQL solutions, becoming the team's subject matter expert
- Dockerized projects with 2-stage builds and implemented docker-compose for local orchestration
- Managed development, automation pipelines, deployment, and testing in mono repo Kubernetes environments
- Developed the AgeUp.com platform from scratch, collaborating with designers and PMs on frontend and backend
Senior Full Stack Developer
Velen Cloud, Inc
10.2017 - 06.2019
- Design and Architect server solutions for clients and develop intuitive, rich RESTful APIs from scratch
- Refactor existing large-scale Node server written in JavaScript to TypeScript and vitalized backend server performance
- Develop various platforms products including 1 desktop app using Electron, 4 iOS/Android with React Native, and more than 10 front end projects utilizing modern JavaScript frameworks such as ReactJS, AngularJS and VueJS
- Write effective unit tests and integration tests to ensure high-quality software delivery using Jest
- Gather, extract, transform Lint and analyze thousands of online website and visualize data insights with D3, HighChart
Full Stack Developer
Liaoyuan.io
03.2016 - 10.2017
- Work closely with designers and product managers to convert UI/UX design and other requirements into clean and readable HTML, CSS, ReactJS, VueJS and AngularJS Code in a fast-moving environment
- Integrate real-time chat features using RxJS and Cloud Service; Implement payment and shop features using Stripe; Add moments and feeds features using AngularJS; Develop job matching functionalities using Angular2
- Optimize search functionalities by 30% through refactoring server-side code and storage structure in MongoDB
Education
MS - Information System
Baylor University
01.2019
Skills
Language: JavaScript, TypeScript, CSS/SCSS
Frameworks: Kafka, Express, React/Redux/mobx, Vue, React Native
Tools: Docker, Webpack, Git, Kubernetes
DB: MySQL, Postgres, MongoDB, SQLite
Cloud: AWS Lambda, AWS SQS, AWS SNS
Timeline
Tech Lead
Haven Technologies
01.2023 - Current
Senior Full Stack Engineeer
Haven Technologies
06.2019 - 01.2023
Senior Full Stack Developer
Velen Cloud, Inc
10.2017 - 06.2019
Full Stack Developer
Liaoyuan.io
03.2016 - 10.2017
MS - Information System
Baylor University
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