Front End Developer
Hace 3 semanas
España
Jobgether
Jornada completa
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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 demonstrated ownership of production-grade Web3 or onchain products.
- Genuine familiarity with onchain trading and its mechanics, including fills, slippage, priority fees, execution quality, and transaction behavior.
- Strong frontend engineering expertise in real-time and latency-sensitive applications, including WebSockets, RPC streams, optimistic interfaces, reconnection, and backpressure. -
- 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 demonstrated ownership of production-grade Web3 or onchain products.
- Genuine familiarity with onchain trading and its mechanics, including fills, slippage, priority fees, execution quality, and transaction behavior.
- Strong frontend engineering expertise in real-time and latency-sensitive applications, including WebSockets, RPC streams, optimistic interfaces, reconnection, and backpressure. -