Frontend Engineer

HASH's open-source platform helps firms integrate both structured and unstructured information into knowledge graphs that support simulating, optimizing and automating processes. We're currently hiring exclusively in both London (UK) and Berlin (Germany) as part of an Advanced Research + Invention Agency funded project building systems for delivering “Safeguarded AI”.

• Design, build, and ship production-ready React/TypeScript components and app-wide features for complex data-driven UIs
• Work with mathematical experts to convert world-modeling theory formalizations into software requirements, and writing tests which ensure implementation correctness
• Convert novel UX/UI designs for new world modeling and AI-interaction features into performant, responsive and accessible experiences that work across devices
• Establish project-wide standards for code quality, review and testing, and provide feedback on the work of other frontend engineers
• Profile and optimize rendering performance for complex interactions and visualizations
• Partner with backend/infra teams to identify and manage interdependencies, and to help define robust APIs that support excellent, feature-rich frontend performance
• Stay on top of emerging browser capabilities and drive adoption of the ones that matter

• Expertise with React
• TypeScript
• modern HTML & CSS
• Proven track record architecting and delivering rich web apps that involve complex user interactions
• Rigorous approach to documenting and versioning components for external audiences
• Experience profiling and debugging performance in devtools
• Comfortable taking a visible technical leadership role
• Excellent written & verbal communication in English

• Leading equity-weighted total compensation
• Competitive salaries
• Tax-advantaged options
• Employer pension contributions
• At least 30 days holiday annually
• Quarterly in-person team retreats around the world