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Brian McLaren

@brianmclaren

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Frontend engineer specializing in mission-critical React/TypeScript apps and accessibility-focused design systems.

United States

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What I'm looking for

Drawn to products where the UI layer is mission-critical real-time data interfaces, complex state, and enterprise-grade web applications that users depend on daily.

I’m a Frontend engineer with 7+ years building high-traffic, reliability-critical web applications in React and TypeScript. I focus on owning client-side systems end-to-end—component architecture, stateful UI, and production delivery—so the experience stays dependable.

At Memorial Sloan Kettering Cancer Center, I helped power a mission-critical, high-availability platform with zero tolerance for downtime or regressions. I architected and maintained a Storybook-driven React component library, refactoring 30+ legacy components and accelerating engineering-to-product handoffs.

I’m especially proud of accessibility outcomes. I implemented W3C APG patterns (Tabs, Accordion, Disclosure, Modal Dialog) to resolve audit findings, achieving full Section 508 compliance and lifting PageSpeed accessibility scores from 78 to 92.

I also ship with confidence through automated quality and collaboration. I delivered WebdriverIO + BrowserStack E2E coverage across critical user paths, reducing manual QA overhead per release, and worked across engineering, compliance, and product in agile teams to translate complex requirements into stable features.

Experience

Work history, roles, and key accomplishments

Current

Fullstack Engineer

Current

Heatcheck

Jan 2026 - Present (5 months)

Designed and built a full-stack web application end-to-end, owning data modeling, API design, and UI with continuous deployment via Vercel CI/CD. Built a RESTful data ingestion pipeline using cron jobs to fetch external NBA stats, process/store results in PostgreSQL via Drizzle ORM, and deliver WCAG-compliant interfaces with Radix UI and Shadcn/UI.

React Next.js PostgreSQL Drizzle ORM REST APIs Vercel Radix WCAG Accessibility

Software Engineer (Front End)

Memorial Sloan Kettering Cancer Center

Jan 2021 - Jan 2026 (5 years)

Architected and maintained a Storybook-driven React component library, refactoring 30+ legacy components and standardizing UI across a high-availability platform. Implemented W3C APG accessibility patterns to achieve full Section 508 compliance and shipped WebdriverIO/BrowserStack E2E tests across 6 critical user paths.

React TypeScript Storybook Component Libraries Section 508 WebdriverIO BrowserStack E2E CI CD

Front End Software Engineer

Consumer Reports

Sep 2019 - Jan 2021 (1 year 4 months)

Architected a 60+ component Storybook library for a greenfield Vue.js donation application to create a shared, documented component language. Rebuilt authentication and registration flows with mobile-first semantic HTML5, improving SEO indexation and reducing signup drop-off for a subscription conversion funnel.

Vue.Js Storybook Design Systems Component Libraries HTML5 Authentication & Registration UI SEO Optimization Accessibility Minded Markup

Front End Developer

1800flowers.com

May 2018 - Feb 2019 (9 months)

Streamlined the Harry & David checkout flow, improving conversion based on A/B testing results. Converted a fixed-width legacy storefront into a fully responsive, semantic HTML5/CSS3 experience.

A B Testing Responsive Web Design HTML5 CSS3 UI Refactoring Conversion Rate Optimization Javascript (ES6)Cross Browser Testing