Sr Frontend Engineer – React & TypeScript | Remote Poland 🌍

About the position

About Us Prometeo Talent is the #1 Recruitment Agency in America and Europe 🌎✨, connecting companies with world-class tech and engineering talent. We’re partnering with a fast-growing, venture-backed startup led by security experts and serial entrepreneurs. Their leadership and advisors come from companies like Netflix, Mozilla, Databricks, Sierra.ai, and Semgrep shaping the future of AI-native security tooling. Our client is building next-generation security tools that help engineering teams ship secure software faster — eliminating manual design reviews, reducing security bottlenecks, and making secure-by-design accessible to every developer. 🚀🔐 📍 Hiring in Poland Our Proposal You’ll collaborate closely with product designers and backend engineers to bring clean UI/UX, AI-powered insights, and seamless developer workflows to life. This role is perfect for someone who loves frontend craftsmanship, cares about accessibility and responsiveness, and enjoys owning features end-to-end. You'll have the opportunity to influence design systems, improve developer experience, and shape the frontend architecture of a product used by engineering teams worldwide. About the Role We're looking for a Frontend Engineer passionate about building intuitive, performant, and beautiful user interfaces using React and TypeScript . You will work cross-functionally with design and backend teams to create frictionless user journeys and visualizations that make security approachable for developers. Responsibilities Build responsive, accessible, and high-quality UIs in React + TypeScript Collaborate closely with designers using Figma workflows to implement pixel-perfect UI Work with backend engineers to integrate APIs and deliver cohesive end-to-end experiences Contribute to the design system and UI component library Participate in team discussions, architectural decisions, and code reviews Advocate for best practices in performance, accessibility, and frontend quality Requirements 7+ years of experience building modern web applications using React and TypeScript Someone who thrives in a role with high ownership and autonomy. Hands-on experience with modern CSS frameworks and toolinG (Ant Design, Tailwind CSS, Vite) Experience writing unit tests with Jest Understanding of responsive layouts, spacing systems, and component structure Experience working with CI/CD pipelines Comfortable working with Figma for design collaboration Knowledge of security best practices for frontend development Strong communication and collaboration skills in distributed teams Nice to Have Experience implementing login flows, authentication , or SSO Experience with Cypress , Selenium , or other E2E testing tools Experience working with AWS , especially CloudFront or frontend deployments Familiarity with security best practices for frontend development What do we offer? ✨ Competitive pay 🌍 100% remote 🌱 Budget to set up your home office 🤖 PTO

Place of work