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Callum Whitaker

Junior Frontend Engineer
Seattle, United States

Professional Summary

Junior frontend engineer with 2 years building accessible React and TypeScript interfaces for consumer and B2B products. Comfortable owning UI tickets end-to-end, pairing with designers on design-system components, and shipping incremental improvements behind feature flags. Looking to grow into a mid-level IC role on a product-focused engineering team.

Employment History

Junior Frontend Engineer
Cascade Pixel Labs · Seattle, WA
Jun, 2024 · Present
Shipped 18+ React/TypeScript features for a subscription analytics dashboard used by 12k monthly active users. Reduced Largest Contentful Paint on the billing page from 3.4s to 1.9s by code-splitting routes and lazy-loading charts. Built 9 reusable design-system components (Button, Modal, DataTable variants) adopted across 3 product surfaces. Wrote Playwright smoke tests covering checkout and plan-change flows; cut UI regressions in those paths by ~40%. Partnered with design on WCAG 2.2 AA fixes; closed 22 accessibility tickets in one quarter.
Frontend Intern → Junior Developer
Rainier Digital Studio · Seattle, WA
Jan, 2023 · May, 2024
Converted Figma marketing and client-portal screens into responsive Next.js pages for 6 agency clients. Implemented a shared Tailwind component library that cut new-page build time from ~2 days to under 1 day. Fixed cross-browser CSS bugs affecting Safari and Firefox; tracked resolution in Linear with before/after screenshots. Supported weekly demos; documented component usage in Storybook for the design and PM team.
Student Web Assistant
Harborview Campus Tech Desk · Seattle, WA
Sep, 2021 · Dec, 2022
Maintained department WordPress sites and HTML email templates for campus events (~40 updates/semester). Built a simple event RSVP form with client-side validation that cut incomplete submissions by ~25%. Trained 3 incoming student assistants on CMS workflows and basic Git hygiene.

Education

B.S. Computer Science
University of Washington · Seattle, WA
2019 · 2023
Relevant coursework: Web Development, Human-Computer Interaction, Data Structures, Software Engineering

Skills

TypeScript
React
JavaScript
HTML
CSS
Next.js