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We’re looking for a Frontend Software Engineer III to help build and evolve customer-facing applications across modern SPA frameworks and server-rendered systems. This role is for a strong, independent engineer who can own frontend systems end-to-end, from UX collaboration and architecture decisions through implementation, performance optimization and production support. Our frontend ecosystem includes React, Vue, Twig-based server-rendered templates and Bootstrap for styling. Experience working across both SPA and traditional rendered environments is important. You’ll work on high-visibility, revenue-impacting products where performance, usability and clarity matter. We expect engineers at this level to leverage modern tooling — including AI-assisted development — to improve velocity, test coverage and code quality while maintaining strong engineering judgment.
Job Responsibility:
Design, build and maintain modern frontend applications using React
Maintain and improve Twig-rendered UI templates
Build and extend responsive UI components using Bootstrap
Collaborate with product, backend and design teams to deliver polished features
Own frontend architecture decisions within your domain
Improve application performance, accessibility and responsiveness
Utilize AI-assisted tools to accelerate implementation, refactoring and test creation
Participate in code reviews and mentor mid-level engineers
Contribute to shared component libraries and frontend standards
Support production systems and help resolve user-facing issues
Build reusable, well-tested UI components
Implement thoughtful state management patterns
Optimize bundle size, rendering performance and Core Web Vitals
Integrate frontend systems with REST and/or GraphQL APIs
Maintain clean separation between presentation, logic and data
Ensure accessibility (WCAG), cross-browser compatibility and responsive design
Write unit and integration tests
Leverage AI tools responsibly to increase development speed without sacrificing quality
Contribute to CI/CD and frontend build pipelines
Requirements:
5+ years of professional frontend engineering experience
Strong experience with React and/or Vue
Solid understanding of JavaScript fundamentals and modern ES standards
Experience working with server-rendered template systems (Twig or similar)
Strong experience with Bootstrap or similar CSS frameworks
Experience building production-grade UI systems at scale
Deep understanding of browser performance and debugging tools
Ability to own complex features independently
Experience using AI development tools to enhance productivity and testing workflows
Strong communication skills and product awareness
Nice to have:
Experience with Tailwind
Experience migrating legacy templates to SPA frameworks
Experience building or maintaining design systems
Strong TypeScript proficiency
Familiarity with A/B testing frameworks
Experience in high-traffic, data-heavy environments
Exposure to backend systems (Go, PHP, Ruby, or Python)
What we offer:
Medical, dental, vision insurance
Wellness and mental health benefits
Tax-Advantaged healthcare accounts
Financial and income protection benefits (life insurance, short-term disability, 401(k)
Paid time off (PTO), holidays and sick time off
Remote worker assistance for wellness and home office