Staff Frontend UX Platform Engineer

About Plenful Plenful is on a mission to transform healthcare operations from the inside out. Fresh off our $50M Series B and backed by Notable Capital, Bessemer Venture Partners, TQ Ventures, Susa/Kivu Ventures, and other leading investors, we’re building the category-defining AI automation platform that healthcare teams rely on to operate smarter, faster, and more efficiently. Our technology empowers healthcare operators across hospital and health systems, pharmacies and payors to eliminate manual work, reduce administrative burden, and improve compliance, all while unlocking critical revenue to fund programs for their in-need patient populations. Built by healthcare operators for healthcare operators, Plenful is driven by a deep understanding of the challenges facing today’s care teams. We’re passionate about equipping healthcare workers with world-class tools that deliver real, measurable impact, and we’re proud to serve 100+ leading health systems, pharmacies, and healthcare organizations across the country. If you’re excited to help shape the future of healthcare, we’d love to meet you. Apply now to join our growing team. Plenful is hiring a Staff Frontend UX Platform Engineer to shape the foundations of our product experience. You’ll build the shared tools, patterns, and architecture that help product teams deliver consistent, accessible, and performant interfaces. This is a hands-on staff role for someone who can set technical direction, solve complex problems, and make other engineers more effective. What you’ll do Lead the architecture and evolution of our frontend UX platform, including shared components, design system foundations, and developer tooling.Build product experiences and reusable infrastructure with TypeScript, and React.Work across the stack with Python and FastAPI to design and integrate APIs that support excellent user experiences.Establish practical standards for accessibility, performance, testing, and frontend maintainability.Partner with design, product, and engineering teams to turn complex workflows into intuitive interfaces.Mentor engineers, review technical designs, and drive improvements across teams. What you’ll bring Minimum Qualifications 10+ years of professional software engineering experience, with substantial experience building frontend applications at scale.Strong, hands-on knowledge of JavaScript, TypeScript, React,A track record of leading frontend architecture or platform work across multiple teams.Sound judgment about when to create shared abstractions and how to keep them useful as a product grows.Experience collaborating closely with designers and product partners on user-facing work.Clear communication skills and the ability to lead through both code and technical guidance. Preferred Qualifications Experience working with Python and FastAPI.Experience working at a health-tech startupFamiliarity with FHIR, HL7 Location: Candidates must be based in the San Francisco or Seattle area. The San Francisco role requires working in the office two days per week. Why You'll Love Working Here 🚀 Mission-Driven, World-Class Team — Join an exceptional group of professionals aligned around a meaningful mission and committed to making an impact📈 Opportunities for Growth — Strengthen your expertise through collaboration with experienced, high-performing leaders across the organization🏢 Flexible Hybrid Work Environment — We're remote-first, with meaningful office presence in San Francisco and New York. R&D roles follow a hybrid model, with two days per week in our San Francisco office Benefits & Perks 🏥 Healthcare Coverage — Full medical, dental, and vision insurance for you and participation for your family💰 401(k) with Company Match — Plenful matches 50% of your first 3% contributed📊 Equity — Every full-time employee shares in our success🌴 Unlimited PTO — Take the time you need, when you need it🍽️ Daily Lunch Stipend — $100/week to cover your midday meals💪 Wellness Stipend — $100/month to support your health and well-being🚇 Commuter Benefits — $100/month for SF and NYC-based employees👶 Parental Leave — Paid leave to support growing families