Full-stack Engineer (£90,000 + Equity) at Second Brain AI

Job Description: Join Second Brain AI as a Full-stack Engineer to build and own the core dashboard and user interfaces for our innovative AI platform. This high-impact role involves designing and implementing critical features, from metric views and Q&A interfaces to authentication and user access controls, shaping the product's future from day one., * Take complete ownership of Synthesis's entire dashboard interface, directly impacting user experience and product direction.

• Work in a fast-paced, high-velocity SaaS environment within a VC-backed AI startup, building something truly novel.
• Enjoy significant autonomy and the opportunity to extend the product into new, exciting surface areas like Project Pulse.

What you will do:

• Build and own Synthesis's entire dashboard interface, including metric views, drill-downs, filters, and saved views.
• Implement essential features such as onboarding, workspace setup, OAuth authentication, and robust user access controls.
• Design and develop the Q&A interface, focusing on input handling, response rendering, and explanation traceability.

Do you have experience in JavaScript?, * Possesses approximately 6 years of experience in full-stack product engineering, ideally within a high-velocity SaaS environment.

• Demonstrates a proven ability to independently ship production-ready React/Next.js interfaces connected to real APIs and backend logic.
• Exhibits a strong sense of UX, a pragmatic approach to balancing quality and speed, and comfort building with limited support.