We’re hiring a Frontend Engineer (TypeScript | React) for a fast-growing AI infrastructure startup building the safety and control layer for large-scale AI systems.The Company Behind the Role:AI-native product company operating in the AI safety & infrastructure spaceBacked by international investorsProcessing large-scale AI traffic across enterprise environmentsTraining and fine-tuning proprietary models for performance & reliabilitySmall, highly technical team shipping fastThe company builds the control and evaluation layer for AI systems - helping organizations define, test, and enforce how AI behaves in real-world environments.Your Impact:Own and ship end-to-end product features across the frontend and full stackDesign intuitive, high-quality UX that makes complex AI workflows understandableBuild seamless product flows - from onboarding to advanced analysisCollaborate closely with founders, product, design, ML, and researchTranslate cutting-edge AI capabilities into reliable user-facing toolsDrive the development lifecycle and influence technical direction and product strategyThis is a hands-on role where product, AI, and engineering meet.Tech Environment (High-Level):TypeScript, React, Next.jsTailwind-based design systemsLLM integrations (OpenAI API, function calling, context orchestration)Data visualization & analysis interfacesFull-stack product architectureProduction deployment & observability(Deep technical stack shared during interviews)Your Superpower:Strong experience with TypeScript, React, Next.jsExperience building product features end-to-endComfort working with LLM APIs and AI product workflowsAbility to write non-trivial SQL and reason about dataStrong UX sensibility - you care about usability, performance, and polishOwnership mindset and strong communicationBonus Points If:Experience building AI product interfacesExperience with evaluation dashboards or analytics toolingExperience in startups or fast-shipping environmentsInterest in AI safety and AI infrastructureWhy Join:Competitive compensation + equityHybrid setup in Europe + relocation supportComprehensive health coverageTop-tier hardware & toolsTeam off-sitesBudget for learning & AI tooling