Kwame Ashbury
Senior Frontend Developer | React & TypeScript | Cut LCP 62% on a 4M-user app
- Austin, TX
- kwame.ashbury@example.com
- +1 (512) 555-0188
- linkedin.com/in/your-name
Summary
Senior Frontend Developer with eight years building accessible, high-performance React applications for B2C and B2B platforms. Owns the web frontend for a 4M-user product, pairing design-system work with relentless Core Web Vitals optimization that lifted checkout conversion 18%.
Work Experience
Senior Frontend Developer
Aug 2021 – Present
Brightwave Commerce · Austin, TX
- Re-architected the checkout flow in Next.js and reduced Largest Contentful Paint 62%, lifting mobile conversion 18% across 4M monthly users.
- Built a shared component library used by 6 product teams, cutting new-page build time from 5 days to 1.5 days and eliminating 40% of duplicated CSS.
- Raised automated test coverage from 31% to 86% with Jest and React Testing Library, dropping production frontend incidents 47% year over year.
Frontend Developer
May 2018 – Jul 2021
Halcyon Analytics · Denver, CO
- Migrated a 120-screen dashboard from AngularJS to React and TypeScript, shrinking the JS bundle 38% and median render time from 1.9s to 0.7s.
- Shipped a WCAG 2.1 AA accessibility overhaul that raised the Lighthouse accessibility score from 64 to 98 and unblocked a $1.2M enterprise contract.
- Introduced React Query for server-state caching, cutting redundant API calls 55% and trimming time-to-interactive 1.3s on the analytics homepage.
Junior Frontend Developer
Jun 2016 – Apr 2018
Pinepoint Media · Denver, CO
- Built 25+ responsive marketing pages in React that improved average session duration 22% across mobile and desktop.
- Optimized image delivery and lazy-loading, cutting average page weight from 3.4MB to 1.1MB and bounce rate 14%.
Education
Bachelor of Science, Computer Science
2012 – 2016
University of Texas at Austin
Skills
Core competencies
- React & TypeScript
- Web Performance
- Design Systems
Technical
- React
- TypeScript
- Next.js
- Tailwind CSS
- GraphQL
- Jest & RTL
Soft Skills
- Cross-Functional Collaboration
- Code Review & Mentoring
- Technical Communication
- Product Sense
Certifications
- Meta Front-End Developer Professional Certificate · Meta (Coursera), 2022
- JavaScript Algorithms and Data Structures · freeCodeCamp, 2019
Languages
- English · Native
- French · Professional working proficiency