# Sam Liao > Full Stack Engineer at MX Location: New York City Metropolitan Area, United States Profile: https://flows.cv/samliao I’m a Full Stack Developer with 8+ years of experience delivering enterprise-grade web and data solutions across fintech, health tech, and automotive industries. Skilled in building scalable front-end applications with Angular, React, and modern JavaScript/TypeScript frameworks, and developing robust back-end systems with Node.js, NestJS, and cloud-native architectures (AWS, GCP). Over the years, I’ve: Built high-volume data ingestion and scraping pipelines that improved reliability and scale for fintech platforms. Modernized CI/CD pipelines with CircleCI, Harness, and GitHub Actions to accelerate deployments and strengthen security. Migrated monoliths into microservices and micro-frontends, improving performance and developer autonomy. Designed and optimized REST APIs, GraphQL services, and database solutions (MongoDB, DynamoDB, MySQL). Collaborated in cross-functional Agile teams, mentoring peers and driving best practices for performance, testing, and maintainability. Beyond coding, I’m passionate about solving complex problems, scaling modern systems, and helping teams deliver business impact through clean, performant, and reliable software. ## Work Experience ### Full Stack Engineer @ MX Jan 2023 – Jan 2025 | New York, United States Built and optimized a real-time financial analytics platform for institutional clients, leveraging Angular, Node.js, and MongoDB within a scalable micro front-end architecture. Enhanced performance and reliability by streamlining data visualization, strengthening security protocols, and improving scraping efficiency by 200%. Partnered with cross-functional teams to deliver tailored UX workflows and resilient integrations, while driving best practices in CI/CD, modular development, and onboarding. Demonstrated leadership by mentoring teammates and ensuring scalable, high-quality solutions in a fast-evolving fintech environment. ### Full-stack Developer @ CVS Health Jan 2023 – Jan 2023 | New York, United States Developed and optimized Minute Clinics, a web and mobile application serving millions of users with real-time appointment scheduling, secure transactions, and status notifications. Improved reliability and user experience by implementing NgRx-based state management, reducing data errors, and cutting load times by 40%. Modernized core infrastructure by migrating APIs to CircleCI/Harness pipelines, optimizing backend performance for 50% faster responses, and leading a database migration from MySQL to MongoDB Atlas to ensure scalability. Introduced reusable, framework-agnostic components with Stencil.js, accelerating development across platforms. Worked in agile cross-functional teams to enhance accessibility, strengthen test coverage, and leverage GCP for proactive monitoring and deployment. Delivered secure, scalable, and user-friendly solutions in a mission-critical healthcare environment. ### Software Engineer @ New Relic Jan 2022 – Jan 2023 | Pittsburgh, Pennsylvania, United States Designed and developed the Error Monitor Inbox at New Relic, enabling clients to detect, triage, and resolve critical application errors in real time. Spearheaded architecture using Angular and RxJS, building 20+ reusable UI components to accelerate feature delivery and maintain design consistency. Improved performance and scalability through lazy loading, modular architecture, and best practices that reduced bundle size by 30% and streamlined developer onboarding. Built and deployed RESTful APIs with Node.js, Express, NestJS, and MongoDB to support authentication and data operations, while implementing push notifications and advanced filtering to enhance usability. Partnered with cross-functional teams in an agile environment, ensuring code quality through BDD-driven unit and integration testing, and delivering a robust monitoring solution that strengthened reliability for enterprise clients. ### Frontend Developer @ Rivian Jan 2021 – Jan 2022 | Pittsburgh, Pennsylvania, United States Contributed to Delivery Management Optimization (DMO) Manager at Rivian, a platform powering vehicle configuration, payments, delivery scheduling, and service management across web, mobile, and in-store channels. Migrated core applications from React to Angular 14 and transitioned modules into micro front-ends, improving autonomy and scalability. Enhanced system efficiency by enabling regional managers to manage microservices configurations directly, saving hours of redeployment time. Implemented MVVM with DynamoDB for clean data handling, collaborated on GraphQL APIs to cut database queries by 35%, and introduced NgRx for robust state management. Delivered high-quality Angular components with strong test coverage, supporting a more maintainable and performant digital experience. ## Education ### Master's degree in Management Information Systems, General Carnegie Mellon University ## Contact & Social - LinkedIn: https://linkedin.com/in/sam-liao-56423a37b --- Source: https://flows.cv/samliao JSON Resume: https://flows.cv/samliao/resume.json Last updated: 2026-03-29