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I'm a frontend-focused senior software engineer who specializes in cleaning up legacy UIs, reducing component duplication, and building scalable, reusable component libraries. I thrive on stabilizing existing codebases and bootstrapping new frontend projects with pragmatic, extensible patterns. I focus on performance, accessibility, and technical SEO through SSR and Core Web Vitals optimization, and I unblock frontend delivery by collaborating with backend teams to implement necessary changes with minimal ramp-up. I enjoy joining projects at any stage, from early MVPs to mature production systems, and turning complex UI challenges into clean, maintainable solutions.…I'm a frontend-focused senior software engineer who specializes in cleaning up legacy UIs, reducing component duplication, and building scalable, reusable component libraries. I thrive on stabilizing existing codebases and bootstrapping new frontend projects with pragmatic, extensible patterns. I focus on performance, accessibility, and technical SEO through SSR and Core Web Vitals optimization, and I unblock frontend delivery by collaborating with backend teams to implement necessary changes with minimal ramp-up. I enjoy joining projects at any stage, from early MVPs to mature production systems, and turning complex UI challenges into clean, maintainable solutions.

Mike Fitzpatrick

Front-End Developer, Web Developer, UI Designer, +5

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I'm a frontend-focused senior software engineer who specializes in cleaning up legacy UIs, reducing component duplication, and building scalable, reusable component libraries. I thrive on stabilizing existing codebases and bootstrapping new frontend projects with pragmatic, extensible patterns. I focus on performance, accessibility, and technical SEO through SSR and Core Web Vitals optimization, and I unblock frontend delivery by collaborating with backend teams to implement necessary changes with minimal ramp-up. I enjoy joining projects at any stage, from early MVPs to mature production systems, and turning complex UI challenges into clean, maintainable solutions.…I'm a frontend-focused senior software engineer who specializes in cleaning up legacy UIs, reducing component duplication, and building scalable, reusable component libraries. I thrive on stabilizing existing codebases and bootstrapping new frontend projects with pragmatic, extensible patterns. I focus on performance, accessibility, and technical SEO through SSR and Core Web Vitals optimization, and I unblock frontend delivery by collaborating with backend teams to implement necessary changes with minimal ramp-up. I enjoy joining projects at any stage, from early MVPs to mature production systems, and turning complex UI challenges into clean, maintainable solutions.

Available to hire

I’m a frontend-focused senior software engineer who specializes in cleaning up legacy UIs, reducing component duplication, and building scalable, reusable component libraries. I thrive on stabilizing existing codebases and bootstrapping new frontend projects with pragmatic, extensible patterns.

I focus on performance, accessibility, and technical SEO through SSR and Core Web Vitals optimization, and I unblock frontend delivery by collaborating with backend teams to implement necessary changes with minimal ramp-up. I enjoy joining projects at any stage, from early MVPs to mature production systems, and turning complex UI challenges into clean, maintainable solutions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Work Experience

Founding UI Engineer (High Level Developer) at Hightainment

January 1, 2025 - Present

Led frontend architecture and UI development for an early-stage product; migrated MVP UI from Create React App to Next.js with SSR to improve performance, Core Web Vitals, and SEO; designed and implemented a custom component library and design system used across the product; introduced Storybook to document and communicate UI patterns across the engineering team; increased unit test coverage to ~65% using Jest; audited and remediated UI components for accessibility, implementing robust keyboard and screen reader support (WCAG/WAI); implemented GitHub Actions to enforce code quality and build validation prior to merges and deployments.

UI Engineer (Contract) at DistillCloud

January 1, 2024 - January 1, 2025

Built and maintained a reusable frontend component system using Svelte and TypeScript; improved accessibility and UI consistency across the product; owned and delivered a Boards feature end-to-end, enabling users to collect, organize, share, and collaborate on insights; implemented frontend UI and supporting backend APIs to unblock delivery and reduce dependencies; added feature flags to support staged rollout and iterative user feedback.

UI Engineer at Atlassian

January 1, 2024 - January 1, 2025

Delivered frontend features for Confluence integrations in a large-scale, distributed product environment; migrated team-owned components from React 16 to React 18; refactored and consolidated legacy components to improve maintainability; standardized end-to-end testing using Playwright.

Senior / Principal UI Engineer at CarGurus

January 1, 2016 - January 1, 2023

Built and maintained frontend systems for high-traffic consumer products at scale; developed reusable React component libraries and shared UI patterns across teams; improved Core Web Vitals, frontend performance, and SEO for key user journeys; partnered closely with product and design to deliver accessible, user-focused features; contributed to long-term frontend maintainability through refactoring and architectural improvements.

Principal / Senior UI Engineer at Multiple Companies

January 1, 2010 - January 1, 2016

Built and maintained large-scale, production web applications; developed reusable React component libraries and design systems; improved frontend performance, accessibility, and SEO for high-traffic consumer products; collaborated closely with design and product partners to deliver user-focused solutions.

Senior Software Engineer (Contract) at Various Clients

January 1, 2023 - Present

Joined existing production codebases and shipped frontend features within the first 1–2 weeks. Reduced frontend complexity by consolidating duplicated components and styles. Built reusable UI components to accelerate feature development. Integrated third-party services including Stripe and CMS platforms. Improved accessibility, performance, and long-term maintainability.

Senior UI Engineer (Contract) at Hightainment

January 1, 2025 - Present

Migrated MVP UI from Create React App to Next.js, implementing SSR to improve Core Web Vitals, SEO, and performance. Reduced component complexity by introducing a custom component library and design system used across the product. Implemented Storybook to document and communicate the component library. Increased Jest unit test coverage from 0% to ~65%. Audited UI components for accessibility and implemented keyboard and screen reader support (WAI/WCAG). Added GitHub Actions to enforce code quality and build checks prior to merges and deployments.

UI Engineer (Contract) at DistillCloud

January 1, 2023 - Present

Built and maintained a reusable frontend component system using Svelte and TypeScript. Improved accessibility and UI consistency across the product. Owned and delivered a Boards feature end-to-end, enabling users to collect, organize, share, and collaborate on insights. Implemented frontend UI and supporting backend APIs to unblock delivery and avoid cross-team dependencies. Added feature flagging to support staged rollout and user feedback.

Senior / Principal UI Engineer at Multiple Companies

January 1, 2010 - December 31, 2023

Built and maintained large-scale web applications. Developed reusable component libraries and design systems. Improved frontend performance, accessibility, and SEO for high-traffic products.