Frontend Engineer
Propeller Heads is a research and development company building trustless DeFi trading infrastructure. Its products include Turbine, a peer-to-peer trading exchange; Fynd, an open-source DEX aggregator; and Tycho, an open-source DEX indexing, simulation, and execution system for solvers and DEXs.
About Propeller Heads
Propeller Heads develops open-source, peer-to-peer, and trustless systems intended to improve the DeFi trade supply chain. Turbine lets traders and liquidity providers trade and settle through batch-based peer-to-peer and on-chain liquidity, while Fynd provides a self-hosted local DEX router. Tycho indexes, streams, simulates, and helps execute across DEX liquidity for solvers, aggregators, and DEX integrations. The company serves DeFi traders, liquidity providers, developers, solvers, aggregators, and DEX teams.
Skills
About the Role
You will build and own features for a trading interface, from specification through release. You will create spread-curve interfaces, order execution flows, real-time quotes and prices, LP management tools, and wallet integrations. You will work with pricing models, order state machines, authentication, and real-time data flows. You will raise and resolve UX issues, test domain logic, pricing math, fee models, and order state transitions, and contribute ideas to the product roadmap.
Requirements
- 3+ years of React with TypeScript
- Experience building complex client-side applications with stateful flows and real data
- Strong product judgment, including loading states, error boundaries, copy, and edge cases
- Experience working closely with designers on user-facing products
- Comfort with financial and numerical precision and calculation
Responsibilities
- Build spread-curve interfaces for dynamic pricing strategies
- Build order execution flows, including approval chains, signing, settlement tracking, and partial fills
- Develop real-time quoting and price displays with financial-grade precision
- Build LP interfaces for deposits, withdrawals, pool management, and position tracking
- Integrate SIWE authentication, Permit2 approvals, and multi-wallet support through Wagmi and Viem
- Shape features from specification through release
- Test domain logic, pricing math, fee models, and order state transitions
- Contribute ideas to the product roadmap
Benefits
- Significant equity
- Unlimited PTO
- Paid parental leave up to 16 weeks
- Regular team on-sites
- Co-working stipend