Roger Chao

Accomplished Software Engineer with 8+ years of experience in building scalable, user-focused web applications using modern frameworks and tools. I lead cross-functional teams, drive architecture and design decisions, and deliver high-impact solutions that balance performance, usability, and business goals. My core competencies include: Technical Leadership, Software Engineering, Scalable System Design, Code Quality & Review, Testing & Automation, Performance Optimization, Web Performance, CI/CD Pipelines, Observability & Monitoring, Design Systems, Accessibility Compliance, Cross-Functional Collaboration, Mentoring & Knowledge Sharing I've worked with the following technologies: Programming Languages: TypeScript, JavaScript, Python, Java, PHP, CSS/SASS/SCSS, SQL Frontend Frameworks & Libraries: React, Redux, Next.js, AngularJS, Storybook, webpack, Babel, jQuery API & Integration: GraphQL, REST, OpenAPI, Webhooks, OAuth2, Axios, Apollo Client, Swagger, gRPC, Kafka Testing Frameworks: React Testing Library, Cypress, Jest, Mocha, Chai, JUnit Databases & Caching: PostgreSQL, MySQL, DynamoDB, Redis, MongoDB DevOps & Infrastructure: Docker, Kubernetes, GitHub Actions, Spinnaker, Jenkins, CircleCI Dev Tools & Platform Services: Git, GitHub, GitLab, Bitbucket, Postman, VS Code, Figma, Zeplin Monitoring & Observability: Splunk, Datadog, New Relic, Grafana, Sentry Code Quality & Static Analysis: ESLint, TSLint, SonarLint, Checkstyle, SpotBugs, PMD, Jacoco, black, Prettier, JSDoc Here's a bit more about me: 🚀 Software Engineer: because “Professional Googler” wasn’t an official title. 🦆 Moonlights as a full-time rubber duck therapist 🐕 Proud servant to Chief Technical Shiba named Nani—he runs the real production environment and micromanages all my deployments. ☕ Turning coffee into commits since 2012. 🙏 Engineer by trade, miracle worker when things actually compile. "Works on my machine." -Ancient Software Engineer Proverb