Five9
cloud contact center software
SeniorSoftwareEngineer–Frontend(Digital)
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“Senior Software Engineer – Frontend (Digital) at Five9. Skills: React, TypeScript, frontend applications, component library, design systems, WCAG. design, develop, and maintain frontend software solutions. building scalable, reliable, and high-performance frontend applications”
What You'll Achieve.
delivering solutions; high-quality, scalable, and maintainable code; high-performance frontend applications; optimizing user experiences; streamlining workflows; enhancing productivity; utmost efficiency and customer satisfaction
Industry & Context.
problem-solving skills
What They're Looking For.
Must Have
5+ years of post-internship experience with React and TypeScript, proficiency in semantic HTML, CSS (preferably SCSS), and JavaScript, Experience with component libraries, design systems, and design tokens, attention to detail and problem-solving skills, expertise in Web Content Accessibility Guidelines (WCAG), Experience with frontend tooling and migration, preferably Vite and Codemod, Experience with testing frameworks and tools such as React Testing Library, Enzyme, Cypress, and Chromatic, Experience working closely with designers using Figma, Excellent English communication skills, both verbal and written, with a proactive approach to collaboration, Self-motivated, enthusiastic, and ownership-driven, with a commitment to delivering solutions, Bachelor’s degree (or equivalent) in a relevant discipline
Nice to Have
Experience with Tokens Studio and Style Dictionary for managing Design Tokens, Experience with Storybook, Experience with bundlers such as Rollup, Deep understanding of CORS, CDNs, and i18n
What You'll Do.
and maintain frontend software solutions
and high-performance frontend applications
optimizing user experiences
streamlining workflows
enhancing productivity
and advancing applications and component library
software design and development
and WCAG-accessible components
Translate Figma designs into component code
Maintain and organize the Design Token system
Continuously improve our React component library
Ensure seamless deployment by implementing CI/CD
and visual regression
publish and communicate component library enhancements
How You'll Work.
Team & Collaboration
partnering with product teams; Collaborate closely with cross-functional teams including the design team, product managers, UI architects, and frontend developers; working closely with designers using Figma; proactive approach to collaboration; knowledge-sharing initiatives
Communication Scope
Excellent English communication skills, both verbal and written; proactive approach to collaboration; publish and communicate component library enhancements
Process & Methodology
strategic planning
Full Job Description
Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves. Role Overview As a Senior Software Engineer on the Digital Team, you will design, develop, and maintain frontend software solutions supporting Five9’s digital initiatives. This role focuses on building scalable, reliable, and high-performance frontend applications. Our dedicated team is committed to optimizing user experiences, streamlining workflows, and enhancing productivity across the board. Whether empowering agents with intuitive interfaces, empowering supervisors with powerful management tools, or enabling seamless access to critical applications across multiple platforms, we strive to deliver with utmost efficiency and customer satisfaction. You will be responsible for developing, maintaining, and advancing the applications and component library across Five9. Responsibilities include software design and development, testing, and documentation across our React component library and applications. A passion for developing consistent, high-quality, and performant user interfaces is essential. The role also involves deep technical exploration of emerging technologies and partnering with product teams to bring innovative ideas into production. In addition, this position plays a key role in mentoring other engineers and driving frontend engineering best practices across Five9. How You Contribute Build reusable, responsive, and WCAG-accessible components for our design system and web applications. Translate Figma designs into component code aligned with design specifications. Maintain and organize the Design Token system, bootloader, and codem
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