Frontend Developer

PLEASE READ BEFORE APPLYING, WE ARE ONLY CONSIDERING CANDIDATES WITH: • At least 5 years of React JS/ React Native experience AND • At least 2 years working in a product based company AND • Comfortability using AI tools to ship quickly (cursor, claude code, gemini) Speer is a rapidly growing organization empowering life sciences with AI capabilities that elevate patient outcomes and spearhead new drug launches. We're looking for a front end engineer who is passionate about taking product ownership and being a team player. What You’ll Do • Build and own Speer’s user-facing applications across web and mobile. • Develop high-quality, scalable interfaces using React, Next.js, and React Native. • Implement complex, dynamic UI systems including dashboards, data visualizations, and workflow-driven experiences. • Build responsive, accessible, and performance-optimized applications. • Integrate animations and dynamic content (Lottie, motion systems, interactive components). • Implement and maintain authentication and authorization flows across the frontend (SSO, OAuth, SAML, role-based access). • Work closely with backend and infrastructure engineers to integrate APIs and real-time data systems. • Partner with product and founders to translate medical insights workflows into intuitive experiences. • Own frontend architecture, state management, and performance strategy. • Establish UI engineering standards: component libraries, testing practices, and design system patterns. • Continuously improve usability, reliability, and product experience through iteration and user feedback. • Experience working with GraphQL APIs (queries, mutations, subscriptions, caching strategies). • Familiarity with role-based access control (RBAC), preferably using authentication providers. • Strong understanding of core design principles (layout, typography, spacing, visual hierarchy, accessibility). What We’re Looking For • Strong proficiency in modern JavaScript and TypeScript. • Deep hands-on experience with React, Next.js, and React Native. • Experience building complex, data-driven web applications. • Strong understanding of frontend architecture, state management, and performance optimization. • Experience implementing authentication flows including OAuth 2.0, SSO, and SAML-based integrations. • Comfort working closely with APIs, backend teams, and product stakeholders. • Product-oriented mindset — you care about UX, clarity, and solving real user problems. • Ability to work autonomously, own features end-to-end, and ship production-quality work. • Startup mentality: comfortable with ambiguity, fast iteration, and high ownership. • Experience integrating GraphQL clients (Apollo, Relay, or similar) into production applications. • Experience designing and enforcing fine-grained permission systems on the frontend. • Ability to translate design systems and Figma specs into clean, reusable components. Strong Bonus If You Have • Experience building enterprise SaaS platforms. • Experience with animation systems (Lottie, Framer Motion, GSAP). • Experience with data visualization libraries (Recharts, D3, Chart.js, etc.). • Familiarity with mobile deployment pipelines (iOS/Android via React Native). • Experience working with healthcare, life sciences, or regulated products. • Experience collaborating closely with designers and shaping design systems. • Exposure to accessibility standards (WCAG) and performance profiling.