[Remote] Principal Engineer, UI Platform & Experiences

Note: The job is a remote job and is open to candidates in USA. Tripleseat is the leading sales and event management platform for restaurants, hotels, and unique venues. They are seeking a Principal Engineer to own the creation of a modern UI platform that enables AI features and lead the UI modernization efforts. This role involves hands-on coding, mentoring engineers, and collaborating with various teams to enhance the product experience.ResponsibilitiesOwn the creation of a modern UI platform and component system that rapidly enables Tripleseat AI featuresArchitect the Tripleseat component system on top of shadcn/ui, Radix primitives, and TailwindDefine theming, design tokens, composition patterns, and accessibility baselines across the productDesign AI-native UX patterns: streaming responses, tool-calling surfaces, inline assistance, agentic flows, and human-in-the-loop reviewDesign and own the Tripleseat UI MCP server, enabling agentic workflows and LLM-powered tooling to interact with the component system and product surfacesBuild agentic workflows that automate UI migration, component adoption, and ongoing UI consistency at scaleLead the Kendo to shadcn migration and the overall UI modernization, collapsing two front-end codebases into onePartner with Product and Design on the UX redesign for clarity, speed, and ease of use, directly tied to our 1H26 Defining ObjectivesSet front-end engineering standards, performance budgets, and the craft bar across approximately 36 engineersEstablish front-end testing standards, including component testing, visual regression, and end-to-end coverage, and drive adoption across the engineering orgChampion AI-native development workflows (Cursor, Claude Code) and drive measurable throughput gainsMentor senior engineers, lead design reviews, and raise the bar on UI quality org-wideSkills10+ years building production UIs at SaaS scaleHumble, hungry, and smart. You have high standards and strong opinions, but low ego. You build trust, listen well, and know how to push for better outcomes while bringing others alongDeep expertise in React 18, TypeScript, Tailwind, Radix, and modern front-end toolingHands-on experience with shadcn/ui in a production environment, not just prototypingShipped AI-powered UX in production: LLM streaming UIs, tool-call flows, agentic interfaces, or RAG surfacesFluent in AI-native development workflows (Cursor, Claude Code, or equivalent) with demonstrated throughput gainsStrong testing philosophy with hands-on experience in component, visual regression, and end-to-end testing for production UIsTrack record of leading large front-end migrations without stalling product velocityStrong design sensibility and a history of close partnership with Product Design leadersPrior ownership of a component library or design systemExperience modernizing split-brain front-ends where legacy and modern codebases coexistOpen-source contributions to shadcn, Radix, Tailwind, or related ecosystemsBackground in SaaS hospitality, events, or paymentsExperience with Rails monolith modernizationBenefitsCompetitive Medical, Dental, and Vision Insurance: Comprehensive coverage to support health and well-being.Company Paid Life Insurance, Short- and Long-Term Disability Plans: Protection and peace of mind in unforeseen circumstances.Supplemental Insurance Options: Optional critical illness, accident, and hospital plans.Commuter Benefits: Transit and parking benefits, where applicable.401(k) with Company Match: Helping employees save and plan for retirement.Parental Leave: Support for new parents through birth, adoption, or foster care.Flexible Paid Time Off: Encouraging work-life harmony and balance.LinkedIn Learning Access: On-demand professional development courses.Pet Insurance: Supporting the well-being of furry family members.Employee Discount Programs: Exclusive savings through employee perk platforms.Company OverviewTripleseat is the event management software for restaurants and venues. It was founded in 2013, and is headquartered in Atlanta, Georgia, USA, with a workforce of 201-500 employees. Its website is https://tripleseat.com.