Senior UI Engineer

ABOUT US: At Atolio, we are a fully remote, well-funded startup founded by experienced leaders from Splunk and PagerDuty. We’re on a mission to make organizational knowledge instantly accessible regardless of which app, service, or platform it lives in. We’re an early series startup combining cutting-edge machine learning and AI to solve some of the most complex challenges in enterprise search: indexing, retrieval, and scaling across multi-cloud infrastructure (AWS, GCP, Azure). With a collaborative culture, robust tools, and comprehensive benefits, Atolio is a place where innovation and creativity thrive. ABOUT THE ROLE: We're looking for a UI Engineer to help design and build the next generation of user experiences at Atolio. You'll work closely with product, design, and engineering teams to create intuitive, high-performance applications that power AI-driven workflows. This is a hands-on engineering role focused on building complex web applications, frontend architecture, and user-facing product experiences. You'll contribute across the full product development lifecycle, from technical design and implementation to performance optimization and user experience improvements. You'll join a modern engineering environment that embraces the latest technologies, AI-assisted development workflows, and rapid iteration. WHAT YOU'LL DO - Design and build high-quality user interfaces for complex web applications for responsive platforms like desktop and mobile. - Develop scalable frontend architecture and reusable component systems. - Collaborate closely with product managers, designers, and backend engineers to deliver end-to-end features. - Build user experiences that leverage AI and agent-driven workflows. - Use modern AI-assisted and agentic coding tools to improve development velocity and code quality. - Participate in technical design discussions, architecture reviews, and engineering planning. - Optimize application performance, accessibility, responsiveness, and usability. - Contribute to frontend standards, best practices, and code reviews. - Help shape the future direction of our product and user experience. WHAT WE'RE LOOKING FOR - 5+ years of professional software engineering experience with a strong focus on frontend development. - Experience building modern web applications using React, Vue, Angular, or a similar frontend framework. - Strong proficiency with JavaScript and TypeScript. - Experience designing and implementing scalable frontend architecture. - Strong understanding of component-based development and state management patterns. - Experience working closely with product and design teams. - Familiarity with AI-assisted development tools and modern engineering workflows. - Experience with modern build tooling such as Vite. - Experience writing and maintaining end-to-end tests with Playwright, Cypress, or similar frameworks. - Strong communication and collaboration skills. - Ability to thrive in a fast-moving startup environment. NICE TO HAVE - Experience with Svelte or interest in learning it quickly.