Staff Backend Engineer, Aave App Vaults

The role

You will build and run the backend systems behind Aave App, a consumer savings app, and the vault products that power it. The work covers accounts, funding, vault management, onchain transaction handling, and APIs for mobile and web clients.

What you will do

• Design, build, and operate backend services for Aave App across onboarding, funding, savings, vaults, withdrawals, portfolio data, and customer communications
• Build vault management, monitoring, and rebalancing systems, including partner vault integrations
• Build transaction-orchestration and high-throughput indexing services for onchain activity
• Integrate with smart contracts, RPC providers, account infrastructure, and payment partners
• Lead technical reviews for high-value systems and improve testing, observability, and incident response
• Work with mobile, web, product, quant, security, data, and operations teams
• Raise the engineering standard through hands-on delivery, clear documentation, and review

Required qualifications

• 6+ years of backend engineering experience, including ownership of complex production systems
• Strong backend programming skills; Rust highly desirable, or strong systems experience in Go, C++, Zig, or Java
• Experience building distributed, event-driven, or data-intensive systems
• Strong knowledge of API/GraphQL design, PostgreSQL or another relational database, caching, queues, and observability
• Strong judgement around threat modelling, sensitive data, permissions, and operational risk for financial systems

Nice to have

• Blockchain or financial infrastructure experience, particularly transaction signing, key management, wallet infrastructure, and onchain transaction lifecycles (listed as highly desirable)
• Experience reading smart contracts and integrating with EVM-compatible networks, smart accounts, bridges, vaults, or DeFi protocols
• Experience designing constraint, optimization, solver, or allocation systems
• Experience building consumer fintech, savings, wallet, exchange, or payments products at meaningful scale
• Experience with cross-chain indexing, large-scale data ingestion, Kafka, ClickHouse, or similar infrastructure

Before you apply

• Candidates who do not meet every requirement are still encouraged to apply

About the company

Aave Labs builds the Aave Protocol, described as the world's largest and most trusted onchain lending market. The company builds products that expand access to lending, credit, and savings globally.