Senior Staff Software Engineer Ethena Pay
Ethena is a DeFi protocol enabling the creation of USDe, a synthetic dollar, and offering internet-native yield through staking.
Maintainer signals as of 9/2/2026
Funding history
Investors
About Ethena
Ethena is a decentralized finance protocol that allows users to mint USDe, a synthetic dollar, using liquid staking tokens as collateral. The platform also offers staking of USDe to earn yield in the form of sUSDe. Ethena aims to provide a stable, high-yield asset for the crypto ecosystem, combining the stability of a dollar-pegged token with the benefits of decentralized finance.
Skills
About the Role
You will own the backend money paths and the APIs and authentication services supporting a mobile financial application. You will design reliable systems, enforce secure authorisation, trace settlement flows, integrate financial providers, improve observability and correctness, and deliver tested production services.
Requirements
- Build and operate production systems that move real money
- Design client-facing APIs with versioning idempotency error models pagination and rate limiting
- Build authentication and authorisation backends
- Integrate financial third parties and manage webhooks failures and reconciliation
- Understand on-chain settlement nonces gas reorganisations RPC failures and confirmation depth
- Use TypeScript or transition credibly from Go Kotlin Rust or Java
- Work with Postgres event or queue systems and gRPC
- Use BDD and integration testing with real dependencies
- Use agentic development workflows
Responsibilities
- Design and own backend systems for a high-usage consumer app
- Define versioned backward-compatible mobile API contracts
- Own authentication authorisation and session lifecycles
- Protect authentication systems with rate limiting and anomaly detection
- Set backend testing documentation and security standards
- Trace money paths through wallets event streams and on-chain settlement
- Deliver tested services using test-first development
