Andrew Koreikin
@andrewkoreikin
Design Engineer and senior frontend developer focused on design systems and accessible
GeorgiaWhat I'm looking for
I’m a Design Engineer and senior frontend developer with 7+ years of experience specializing in design systems, accessibility, and connecting engineering decisions to product thinking. I focus on building UI that scales—clean architecture, strong documentation, and a polished user experience.
Most notably, I introduced and led a full Ant Design → Radix UI migration (30+ components) that was Storybook-documented and delivered a 50% CSS bundle reduction. I also shipped WCAG AA in production across multiple products, implementing keyboard navigation and screen reader-safe markup where it mattered most.
At Harness, I built 10+ components for a new custom design system, owned the work from design spec to production, and integrated the components into the Gitness codebase—resolving 50+ cross-platform issues while maintaining test coverage. I proactively led accessibility practices, drove keyboard navigation improvements to production, and implemented fixes directly after component-level accessibility reviews.
At Frame, I led a 14-month design system migration to a custom Radix UI-based component library (30+ components) alongside regular feature delivery, restructuring frontend modules into a shared architecture and documenting 100+ Storybook stories. I also migrated to a Turborepo monorepo (8 to 18 packages) to eliminate the publish-redeploy cycle for design system changes, and I rebuilt mobile UX after data showed a 25% first-time mobile usage gap.
Experience
Work history, roles, and key accomplishments
Design Engineer
Harness
Jan 2025 - Oct 2025 (9 months)
Built 10+ components for Harness’ new custom design system, translating design specs into production and contributing architectural and feature enhancements to the documentation portal. Introduced WCAG AA practices, improved keyboard navigation with fixes across the engineering team, and resolved 50+ cross-platform issues while integrating components into Gitness.
Senior Frontend Developer
Frame
Mar 2023 - Nov 2024 (1 year 8 months)
Led a 14-month Ant Design to custom Radix UI-based design system migration (30+ components), cutting CSS bundle size by 50% and improving accessibility across the app. Restructured 5 frontend modules into shared architecture, documented 100+ Storybook stories, built an email tag input that parses/deduplicates/validates bulk lists, and migrated to a Turborepo monorepo (8 to 18 packages/services) to
React Developer
Buildbuild
Sep 2021 - Dec 2022 (1 year 3 months)
Proposed and built a multi-select document feature modeled on Gmail’s selection pattern, making bulk selection up to 10x faster than one-by-one card selection. Implemented product features and reusable components using React, TypeScript, Next.js, Apollo Client, and GraphQL.
Contributed to two banking platform projects in large Scrum teams, delivering new features, performance improvements, and post-migration refactoring.
Frontend Developer
2UPLab
Nov 2018 - May 2020 (1 year 6 months)
Built client interfaces across multiple industries using React and Vue.js. Implemented an infinite-scroll carousel using the Intersection Observer API to prevent visible loop reset issues.
Education
Degrees, certifications, and relevant coursework
HTML Academy
Frontend Development Program, Frontend Development
2017 - 2018
Completed the Frontend Development Program in 2017–2018.
Southern Federal University
Inorganic Chemistry
2005 - 2009
Studied Inorganic Chemistry at Southern Federal University from 2005 to 2009.
Availability
Location
GeorgiaAuthorized to work in
Salary expectations
Job categories
Skills
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