Remote job
Senior Software Engineer, API Products
Job details
About this role
Role overview
Lead backend engineering work for developer APIs and trading products used by wallets, exchanges, and other applications. You’ll take projects from early investigation and system design through production, while helping a small team evolve live services and support their customers.
Responsibilities
- Research needs and design, build, and launch new APIs and trading products. - Extend existing services to support additional blockchain networks, bridges, and customer requests. - Improve API speed and reliability as usage grows, and take part in on-call support. - Investigate failed trades and delayed transfers with logs, traces, and blockchain data; address underlying causes. - Work with product, legal, and go-to-market partners to translate business and compliance needs into technical decisions. - Document designs and review colleagues’ proposals and code changes.
Requirements
- At least six years of backend engineering experience, including two or more years in decentralized finance or a related trading, wallet, exchange aggregation, or on-chain data environment. - Experience owning complex engineering projects from discovery through delivery. - Background building and operating APIs for external developers. - Strong knowledge of on-chain systems, especially EVM transactions, calldata, contract interfaces, gas, and approvals. - Experience designing production-scale backend systems. - Clear communication skills, including explaining technical tradeoffs to non-engineers. - Willingness to join an annual in-person team gathering.
Nice to have
- Experience with cross-chain systems, bridges, or decentralized exchange aggregation. - Familiarity with blockchain ecosystems beyond EVM, such as Solana. - Experience with TypeScript or Rust.
Benefits and work setup
The role is remote, with preference for candidates in European time zones. The position includes flexible vacation, paid parental leave, a home-office stipend, wellness support, and lunch reimbursement. Medical, dental, vision, life, and disability coverage are provided for U.S.-based employees, along with retirement and flexible spending plans. Compensation is listed as $150,000–$230,000 base salary plus equity, tokens, and benefits; the package may vary by location and experience.