Our partner is looking for a Trenches / Web3 Frontend Developer based in Spain. This is a high-ownership frontend engineering role focused on building the client experience for a fast-moving onchain trading terminal. The role combines advanced frontend engineering with deep Web3, trading, wallet, and real-time application expertise. The environment is remote-first, AI-native, and designed for engineers who thrive with significant ownership and limited bureaucracy. Your work will directly influence trading performance, execution quality, user experience, and revenue-generating product surfaces. Accountabilities - Own the frontend client experience for trenches trading, perpetuals, and prediction markets across Solana and EVM. - Take end-to-end ownership of at least one revenue-generating product surface, from identifying opportunities and proposing solutions through development, production deployment, and optimization. - Build and improve latency-sensitive trading experiences, including live data, execution, fill-quality UX, snipe controls, order flow, transaction states,



and responsive interactions. - Optimize browser and frontend performance using technologies and patterns such as WebSockets, RPC streams, optimistic UI, reconnection strategies, and backpressure management. - Own measurable frontend performance outcomes, including p95 time-to-interactive and time-to-fill. - Own production quality for the surfaces you deliver, reducing defect rates and preventing recurring incidents. - Use strong product judgment to determine what should be built, particularly where latency, execution quality, and trader experience are critical. - Work closely with frontend, UX, backend, and DevOps colleagues in a compact, cross-functional engineering environment. - Use AI-native development practices to accelerate delivery while maintaining rigorous technical review and accountability for production quality. Requirements - 3+ years of relevant frontend engineering experience, with d

📌 Front End Developer (España)
🏢 Jobgether
📍 España