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.
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.
3+ years of relevant frontend engineering experience, with demonstrated ownership of production-grade Web3 or

📌 Front End Developer (España)
🏢 Jobgether
📍 España