> Markdown version of [/jobs/ext/4629324-software-engineer-iii](https://www.wearedevelopers.com/jobs/ext/4629324-software-engineer-iii). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer III - **Company:** Chewy, Inc. - **Location:** Boston, MA, United States - **Contract:** Permanent contract - **Skills:** HTML, JavaScript (Programming Language), Web Accessibility, Application Programming Interfaces (APIs), Agile Methodology, Artificial Intelligence, Component-Based Software Engineering, Cascading Style Sheets (CSS), Cloud Computing, Code Review, Next.js, Screen Reader, Semantic HTML, Data Streaming, TypeScript, Web Content Accessibility Guidelines, ReactJS, Information Technology, Front End Software Development, Api Design, Multiplatform - **Published:** November 7, 2026 - **Apply:** https://www.juju.com/job/7_EB30B44B07CF0C7A559030118DEF6E27 ## About the Role platforms, shared UI libraries, or design systems.Strong expertise in React, TypeScript, JavaScript, HTML, and CSS, including modern component architecture patterns and browser behavior.Demonstrated experience building, maintaining, or scaling reusable component libraries or design systems used by multiple teams.Strong understanding of component API design, composition patterns, hooks, controlled and uncontrolled APIs, accessibility patterns, and developer ergonomics.Experience leading technical initiatives and influencing engineering decisions across teams.Hands-on experience with Storybook or similar tools for component development, documentation, testing, and collaboration.Deep understanding of web accessibility, including WCAG, semantic HTML, ARIA, keyboard navigation, focus management, screen readers, and accessibility testing.Experience working with design tokens, theming systems, and scalable frontend architecture patterns.Ability to independently define, decompose, and solve ambiguous technical problems.Strong written and verbal communication skills with the ability to document technical decisions, tradeoffs, and engineering standards.Experience mentoring engineers and helping improve engineering practices across teams.Bachelor's degree in Computer Science or equivalent practical experience.BonusExperience building or scaling enterprise design systems supporting multiple products and engineering organizations.Experience with Style Dictionary, design token governance, token pipelines, and design token automation.Experience implementing multi-brand, multi-theme, or multi-platform frontend architectures.Experience with modern Storybook capabilities including interaction testing, accessibility testing, visual testing, composition, and CI workflows.Experience with Next.js, React Server Components, Server Actions, streaming, and modern frontend platform capabilities.Experience with monorepos, package publishing, build tooling, dependency management, codemods, linting rules, or automated migration tooling.Experience leveraging AI-assisted development tools to improve developer experience, documentation, migration workflows, accessibility review, or platform adoption.Experience defining frontend standards, governance models, or platform strategy.Background in e-commerce, high-scale consumer applications, Agile environments, or cloud infrastructure supporting frontend platforms and developer tooling.The specific salary offered to a candidate may be influenced by a variety of factors including but not limited to the candidate's relevant experience, education, and work location. ## Description accessibility, performance, and developer experience.Partner closely with Product Design, Accessibility, and Front-End Platform teams to translate design systems into scalable engineering solutions.Drive design system adoption through documentation, tooling, migration guidance, and developer enablement.Improve shared frontend infrastructure, including Storybook, testing, accessibility validation, design token pipelines, and developer workflows.Apply AI-assisted engineering practices to improve productivity, documentation quality, accessibility review, migration support, and developer experience.Mentor engineers through code reviews, design reviews, architecture discussions, and technical coaching while helping raise frontend engineering standards across teams.Identify and solve ambiguous technical challenges, balancing short-term delivery needs with long-term platform scalability and maintainability.What You'll Need5+ years of experience building modern frontend applications, frontend