Sixpence is building the AI execution infrastructure for autonomous market actions — starting with ultra-fast trading. It enables AI agents to capture market signals and execute in milliseconds with intelligent, real-time decisioning. Everyone can build, share and adopt agentic strategies from each other. We are backed by top-tier investors including a16z, Geometry, IOSG, Spartan, and have received ecosystem grants from the Ethereum Foundation and Optimism. We are looking for a strong Full-Stack Engineer who is comfortable building production systems end-to-end. You will work directly with the team to ship high-impact features, design fast and intuitive UIs, and architect scalable backend systems. What You’ll Do - Build user-facing interfaces for the Sixpence trading dashboard, news engine, and execution tools - Architect backend services, APIs, and micro-services powering our high-speed execution pipeline - Integrate CEX/DEX/wallet APIs, event streams, and real-time trading signals - Collaborate closely with product to deliver clean, polished UX with good aesthetic taste - Participate in system design, performance optimization, and code reviews - Ship high-impact features independently with strong ownership and product intuition
Requirements - 3+ years engineering experience in full-stack development - Strong with TypeScript / JavaScript + React - Solid backend experience with **Node.js / Python - Familiar with APIs, WebSockets, micro-services, message queues - **Good product sense** & aesthetic taste — you care about UI clarity and details - Ability to work independently in a fast-moving remote environment - Strong ownership and willingness to build 0→1 systems
- Competitive compensation - Build the future of **AI-driven trading** - Work with an engineering-driven culture - Fully remote
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