Overview - Lead Full Stack UI Engineer We are seeking a hands-on, collaborative Lead Full Stack UI Engineer to drive the technical direction, architecture, and delivery of user-facing application interfaces. As Lead Full Stack UI Engineer, you will provide technical leadership and guidance to the UI team, ensuring the delivery of robust, scalable, modular, high-performance, and intuitive end-to-end solutions for our agentic platform. This role partners closely with UX, product, and backend teams.
Our core UI tech stack includes :
▪ React + TypeScript (with Next.js) for building user interfaces.
▪ Storybook for our design system and component library.
Backend & APIs▪ TypeScript with NestJS for building backend services and integrating with REST and gRPC APIs.
Testing▪ Jest and Playwright for unit and end-to-end testing.
▪ Karate for API testing.
Key Responsibilities
Provide technical leadership, mentorship, and guidance to the UI engineering teamLead the design, implementation, and evolution of the design system, component library, UI architecture, and supporting backend servicesEnsure delivery of high-performance, responsive, and accessible user interfacesArchitect and integrate APIs and backend services to support UI requirementsDrive adoption of best practices in frontend engineering, including component standardization, security integration, and progressive loadingChampion user-centered design and usability in partnership with UX and product teamsOversee integration of agentic and real-time features into the UIGuide the use of AI-assisted development tools and modern frontend and backend frameworks, architectural patterns, scaffolding approaches, and librariesOwn the implementation and quality of Web Analytics and Behavioral Analytics to enable continuous improvement and evolution of our productsCollaborate with the Developer Experience (DX) Lead to automate and streamline common engineering tasksEnsure engineering rigor, code quality, and documentation standards are met across the stackFacilitate clear communication, knowledge sharing, and effective documentation within the teamSupport team growth through coaching, feedback, and skills developmentDrive development efficiency and alignment with product team priorities through clear prioritization frameworks and delivery metricsCore Qualities & Skills
Proven experience leading full stack or frontend engineering teams and delivering complex user-facing projectsDeep expertise in React, TypeScript and Node.js technologies.Experience with design systems, component libraries, and UI performance optimizationExperience designing, building, and integrating RESTful or GraphQL APIsStrong understanding of accessibility, cross-browser compatibility, and responsive designStrong collaboration and alignment skills across disciplinesWillingness to learn, share knowledge, and adapt to evolving technologiesSystem design skills and awareness of technical debt and tradeoffs across the stackExcellent communication, documentation, and stakeholder management abilitiesComfort with ambiguity, discovery, and rapid changeCommitment to engineering excellence, security, and responsible practices (including OAuth 2.0, Authorization, Authentication, Chain-of-custody, Claims management, and Principle of Least Privilege [POLP])Preferred Qualifications
5+ years of hands-on full stack or frontend engineering experience, with 2+ years in a technical leadership roleTrack record of architecting and delivering scalable, reliable end-to-end systemsExperience with modern development practices (CI / CD, automated testing, code reviews)Demonstrated ability to mentor and grow engineersExperience working in cross-functional, agile teams