Frontend Engineer

We’re looking for a Frontend Engineer with strong product sensibilities and deep experience building modern, user-centric applications. You’ll play a key role in refining our front-end architecture, advancing our component systems, and elevating our platform’s usability and responsiveness. This role is ideal for someone passionate about clean UI, developer productivity, and meaningful collaboration with product and design.

About PolyModels Hub PolyModels Hub is transforming pharmaceutical R&D through cutting-edge modeling, simulations, and data integration. Our platform, ModelFlow, empowers scientists to accelerate development timelines, optimize processes, and make smarter decisions—combining mechanistic models, AI, and workflow automation into one unified environment. We are growing fast and looking for passionate individuals to help us deliver lasting impact to our customers and scale our platform globally. What You’ll Own Component Architecture: Help scale our React/TypeScript codebase by developing reusable, maintainable components using our shared PMH-UI library. Product Development: Collaborate closely with designers and product managers to build elegant user interfaces that handle scientific complexity with simplicity. Performance & Optimization: Proactively identify UI bottlenecks and ship improvements that make the platform faster and more reliable. Code Quality & Process: Advocate for quality, consistency, and velocity through clear standards, thoughtful abstractions, and testing strategies. What We’re Looking For Experience: 2–4+ years of hands-on frontend development in fast-paced product teams. Tech Stack: Strong with React (Hooks, Context), TypeScript, Tailwind; experience with component systems and design tokens a plus. Platform Thinking: You care about structure, extensibility, and developer experience — not just shipping screens. Collaboration: Clear communicator who thrives in tight-knit, cross-functional environments. Craft: You sweat the details and constantly push for cleaner, more elegant solutions. Nice to Have Familiarity with scientific, data-heavy, or domain-driven products Experience working with or contributing to shared UI systems (e.g., Storybook, design systems) Some comfort navigating backend APIs (Django/FastAPI) Why Join PolyModels Hub? Flexible hybrid working – split your time between home and our London office. Generous time off – 26 days of annual leave plus flexible bank holidays. Modern workspace perks – access to office amenities, including collaborative spaces and refreshments. Pension contributions – competitive employer contributions to help you plan for the future. Equity incentives – participation in our Employee Incentive Plan, so you can grow with the company.