Senior AI/Fullstack Tech Lead

Senior Tech Lead & AI Engineer with 8+ years of experience. Operates effectively at two ends of the spectrum: architecting massive, highly regulated systems for Tier-1 banks (UBS, HSBC) and driving rapid, from-scratch execution for AI startups. Builds robust architectures around APIs. Looking for a challenging remote role (Tech Lead / Senior AI/Fullstack Engineer) leveraging deep frontend expertise and hands-on AI engineering background. Recent highlights: * Enterprise: Currently leading frontend architecture at UBS for a mission-critical post-trading platform, handling millions of daily transaction rows with sub-second WebSocket updates. * AI/Startups: Bootstrapped an AI-driven CBT platform (HeadSanctuary) featuring a custom RAG pipeline for unlimited memory context, complex form engines generated via JSON schemas, and uncensored LLM research for therapeutic contexts. * Developer Experience: Implemented AI-driven QA workflows using MCP/LLM agents to generate and maintain Playwright e2e tests, significantly reducing regression time.