Senior Frontend Engineer

About Aragorn AI Aragorn AI is reimagining how People Ops teams operate in the age of AI. We’re building a platform that unifies HR data and transforms how organizations make decisions, unlock insights, and run operations. Our mission is simple but ambitious: help HR teams move faster, smarter, and with more confidence. We’re on a mission to reach $10M ARR and you will be at the heart of that journey — building the AI-powered systems that will redefine how companies manage their people. This is a senior, hands-on engineering role — you will own major pieces of our frontend architecture, push the boundaries of design system implementation, and ensure a world-class user experience for our customers What You’ll Own You will architect, build, and optimize the frontend that powers Aragorn’s Analytics & Agentic HR Studio platform. You will: Lead development in React , TypeScript , and Webpack , ensuring performance, maintainability, and scalability Implement and evolve our micro frontend architecture to support modular, scalable product delivery Collaborate directly with the Product Designer and Head of Product to translate UX designs into high-quality, performant code Work with our design system , ensuring components are reusable, accessible, and optimized for developer experience Critique and collaborate on UX/UI designs, proactively identifying implementation constraints and optimization opportunities. Work closely with backend engineers to define, consume, and optimize APIs for efficient data communication. Make strategic decisions on when to leverage third-party libraries versus custom implementations to balance speed of delivery with long-term maintainability Own CI/CD pipelines for frontend applications — configuration, optimization, and deployment. Champion frontend performance best practices, from bundle size reduction to runtime optimization. Contribute to setting technical standards and architecture consistency for the frontend team Participate in architecture and roadmap discussions to ensure scalability and long-term flexibility of the platform. You Might Be a Fit If You Have 5+ years of professional experience building modern React applications at scale Have deep expertise in TypeScript , Webpack , and modern frontend tooling Have implemented micro frontend architecture in production environments Have built and scaled component-based design systems in collaboration with design teams Can translate Figma designs into pixel-perfect, performant implementations — and know when and how to challenge a design for feasibility Have a strong sense of UX and can identify ways to simplify complex workflows Understand REST and GraphQL API structures, and how to design frontend code that integrates cleanly with backend services Have experience configuring and deploying applications in CI/CD environments Write clean, maintainable, and well-tested code that other developers can easily build on. Are fluent in frontend performance optimization strategies — from bundle splitting to virtualization. Thrive in collaborative environments where designers, engineers, and product work as one team. Enjoy balancing speed of delivery with architectural and code quality Why This Role Is Special Product-defining impact: you will shape the UI/UX of the core Analytics and Agentic Studio platform used by enterprise HR teams Close collaboration with founders and product design: fast feedback loops and zero corporate bureaucracy Cutting-edge architecture: micro frontends, dynamic design systems, real-time analytics, and agentic AI Product ownership: equity, technical decision-making power, and the ability to leave your mark on a category-defining product What Success Looks Like in the First 6 Months Production-ready micro frontend architecture supporting multiple product modules Fully integrated and documented design system adopted across all frontend codebases Highly performant React applications that load fast and run smoothly Clear documentation of frontend architecture, component usage, and deployment workflows. Seamless collaboration with Product Design and Backend teams, reducing handoff friction and speeding up delivery cycles