Senior Software Engineer (API Products)
Confirmed on the employer's own hiring board on Oct 27, 2026. First seen by Alion on Oct 26, 2026.
Join our API Products team as a Senior Software Engineer. You'll lead projects from conception to production, build new APIs and trading products, maintain and extend existing APIs, and ensure their speed and reliability. This is a hands-on role for someone who thrives with autonomy and wants to make a real impact. Enjoy benefits like unlimited time off, a fully paid health plan, and a monthly wellness allowance.
Missions
- Lead projects from initial concept to production, focusing on new products and existing APIs.
- Build new APIs and trading products, from researching the problem and designing the architecture to shipping the first version.
- Maintain and extend existing APIs, ensuring they remain fast and reliable as traffic grows.
Profil recherché
- Built and maintained developer-facing APIs- You’re an AI power user who uses it to multiply your impact as an engineer, yet you don’t let it replace your judgment
- Senior or Lead Engineer with a track record of owning complex projects end to end
- Deep onchain knowledge, especially EVM: how transactions work, including calldata, contract interfaces, gas and approvals
- Clear communicator, comfortable explaining technical tradeoffs to non-engineers
- Able to attend annual in-person team offsites around the globe
- 7+ years of backend engineering experience, including at least 2 years in DeFi at a trading app, wallet, DEX aggregator, onchain data company or similar
- Aligned with our core values: do the right thing, consistently ship, and focus on long-term impact
- Strong system design experience for production-scale backend services
- Experience with cross-chain/bridging, or DEX aggregation
- Experience with other ecosystems outside of EVM such as Solana
- Experience with TypeScript and/or Rust, our main languages