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I am a seasoned Principal Frontend Engineer with over a decade of experience building scalable, user-centric web applications. I specialize in modern JavaScript frameworks, with strong expertise in React and TypeScript, and am passionate about delivering high-quality code and enhancing user experiences. I excel at collaborating across cross-functional teams, integrating backend services, and implementing CI/CD pipelines to streamline development processes. My work also involves designing modular UI architectures and utilizing data visualization tools to better inform and assist customers.…I am a seasoned Principal Frontend Engineer with over a decade of experience building scalable, user-centric web applications. I specialize in modern JavaScript frameworks, with strong expertise in React and TypeScript, and am passionate about delivering high-quality code and enhancing user experiences. I excel at collaborating across cross-functional teams, integrating backend services, and implementing CI/CD pipelines to streamline development processes. My work also involves designing modular UI architectures and utilizing data visualization tools to better inform and assist customers.

Alexander Lam

Front-End Developer, Web Developer, Full Stack Developer, +2

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I am a seasoned Principal Frontend Engineer with over a decade of experience building scalable, user-centric web applications. I specialize in modern JavaScript frameworks, with strong expertise in React and TypeScript, and am passionate about delivering high-quality code and enhancing user experiences. I excel at collaborating across cross-functional teams, integrating backend services, and implementing CI/CD pipelines to streamline development processes. My work also involves designing modular UI architectures and utilizing data visualization tools to better inform and assist customers.…I am a seasoned Principal Frontend Engineer with over a decade of experience building scalable, user-centric web applications. I specialize in modern JavaScript frameworks, with strong expertise in React and TypeScript, and am passionate about delivering high-quality code and enhancing user experiences. I excel at collaborating across cross-functional teams, integrating backend services, and implementing CI/CD pipelines to streamline development processes. My work also involves designing modular UI architectures and utilizing data visualization tools to better inform and assist customers.

Available to hire

I am a seasoned Principal Frontend Engineer with over a decade of experience building scalable, user-centric web applications. I specialize in modern JavaScript frameworks, with strong expertise in React and TypeScript, and am passionate about delivering high-quality code and enhancing user experiences.

I excel at collaborating across cross-functional teams, integrating backend services, and implementing CI/CD pipelines to streamline development processes. My work also involves designing modular UI architectures and utilizing data visualization tools to better inform and assist customers.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Work Experience

Principal Frontend Engineer at Narrative

January 1, 2022 - Present

Spearheaded overhaul of the company's self-serve data buying platform used by data engineers and marketers. Designed a modular UI architecture using Next.js and Tailwind CSS to reduce page bloat and improve Time to Interactive by 45%. Visualized AI-generated data supply graphs using D3.js to help customers understand dataset overlap and pricing. Collaborated with backend team on Node.js Lambda functions to batch-query and normalize vendor metadata.

Senior Frontend Engineer at Rho Technologies

December 1, 2021 - September 2, 2025

Led development of Rho's cash management dashboard using React and Recharts for financial visualization. Integrated GraphQL APIs to retrieve real-time transaction, balance, and payment insights. Built reusable UI components such as tables, filters, and modals used across finance, approvals, and vendor screens. Set up CI/CD workflows using GitHub Actions for test automation, visual regression, and staging previews.

Frontend Engineer at Zocdoc

July 1, 2019 - September 2, 2025

Rebuilt patient appointments search and booking UI in React + Redux, improving load time and conversion. Partnered with design and product to roll out mobile-first enhancements for the provider search experience. Integrated availability APIs and built fallback logic for failed slots, increasing successful bookings. Wrote unit and integration tests with Jest and Enzyme, pushing frontend test coverage from 60% to 85%.

Frontend Developer at Amazon

April 1, 2016 - September 2, 2025

Developed internal web apps for customer service teams, helping reduce average handling time. Built dynamic form UIs with AngularJS for order investigations, refund approvals, and customer escalations. Collaborated with backend teams to integrate Java-based APIs, adding error handling and retry logic for high-volume endpoints.

Freelance Frontend Developer at Self-employed

May 1, 2014 - September 2, 2025