Responsibilities Own end‐to‐end delivery of frontend and backend features, from technical design through production release and iterative improvement. Build and maintain performant, accessible UIs and robust backend services to enable seamless AI‐powered interactions for end users. Work closely with product managers, designers, and ML engineers to translate requirements into impactful technical solutions. Participate in architectural decisions within the team and influence technical direction across teams as experience grows. Proactively identify and address technical debt, ensuring high performance, reliability, and maintainability. Drive adoption and extension of Zendesk's design system and component library for frontend consistency. Write backend business logic, optimize queries, and ensure system performance and scalability. Ensure quality through backend‐focused testing, such as integration and API contract tests. Mentor junior engineers through code review, pairing, and knowledge‐sharing sessions. Qualifications 5+ years of experience in software engineering, with a strong focus on frontend development. Fluent in TypeScript and React; working proficiency in Ruby is a plus. Solid experience with modern frontend architecture: component‐based design, state management, and responsive, accessible interfaces. Some experience with distributed systems, RESTful APIs, event‐driven architectures (e.g., Kafka), and cloud infrastructure (AWS). Some experience with SQL and data infrastructure—able to reason about data pipelines, query performance, and analytics. Strong understanding of web fundamentals: browser APIs, performance, accessibility, and cross‐browser compatibility. Experience with frontend testing: unit and integration testing with Jest, React Testing Library, or equivalent. A track record of owning features end‐to‐end and delivering them to production with high quality. Ability to work with uncertainty and pivot with changing priorities. Strong collaboration skills—work effectively with designers, backend engineers, and product managers. Preferred: Experience with design systems and component libraries—building or extending shared components at scale. Preferred: Familiarity with micro‐frontend architectures or module federation. Preferred: Experience with Storybook for component development and documentation. Preferred: Familiarity with internationalisation (i18n) and localisation. Tech Stack Backend: primarily Ruby and Python. Servers run on AWS. ML pipelines use Metaflow. Data stored in S3, RDS MySQL, and Snowflake (with dbt for transformations). Services and models deployed to Kubernetes using Docker. Heavy usage of LLM technology from multiple providers via an LLM Proxy. Frontend built with React and TypeScript. Use of Garden, Zendesk's design system, for UI components. Admin interfaces use a micro‐frontend architecture with module federation. Bundling performed with Webpack and package management with pnpm. Testing with Jest, React Testing Library, and MSW; component development in Storybook. Feature flags for controlled rollouts. Error tracking with Sentry; analytics with Pendo and Segment. Equal Employment Opportunity Zendesk is an equal opportunity employer, and we're proud of our ongoing efforts to foster global diversity, equity, & amp; inclusion in the workplace. Individuals seeking employment and employees at Zendesk are considered without regard to race, color, religion, national origin, age, sex, gender, gender identity, gender expression, sexual orientation, marital status, medical condition, ancestry, disability, military or veteran status, or any other characteristic protected by applicable law. We are an AA/EEO/Veterans/Disabled employer. If you are based in the United States and would like more information about your EEO rights under the law, please click here. Zendesk endeavors to make reasonable accommodations for applicants with disabilities and disabled veterans pursuant to applicable federal and state law. If you are an individual with a disability and require a reasonable accommodation to submit this application, complete any pre‐employment testing, or otherwise participate in the employee selection process, please send an e‐mail to peopleandplaces@zendesk.com with your specific accommodation request. #J-18808-Ljbffr