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# Staff Backend Engineer

- **Company:** Aave Labs
- **Location:** France (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Big Data, C++ (Programming Language), Relational Databases, PostgreSQL, Blockchain, Caching, Backend, Apache Kafka, Graphql, Vertica, Golang
- **Published:** September 13, 2026
- **Apply:** https://startup.jobs/staff-backend-engineer-aave-app-aave-labs-10030484

## About the Role

* 6+ years of backend engineering experience, including ownership of complex production systems
 * Strong backend programming skills. Production experience with Rust is highly desirable, but we'll also consider strong systems experience in Go, C++, Java.
 * Experience building distributed, event-driven, or data-intensive systems with clear reliability and performance requirements
 * Strong knowledge of API/GraphQL design, PostgreSQL or another relational database, caching, queues, and observability
 * Experience with blockchain systems, particularly transaction signing, private-key or key-management flows, wallet infrastructure, and onchain transaction lifecycles, is highly desirable.
 * Strong judgement around threat modelling, sensitive data, permissions, and the operational risks of systems handling financial value
Nice to haves:

 * Experience with EVM-compatible networks, smart accounts, account abstraction, bridges, or DeFi protocols
 * 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 Haven't quite met all the criteria? Let's not miss out on the chance to speak. Whilst you might not meet every single requirement, you might bring other, more exciting skills to the companies! Equal opportunities statement: Aave Labs celebrates diversity and views each and every team member as a separate individual with their own unique identity. No matter your race, religion, gender, ethnicity, age, disability, sexual orientation or even the wallet you use, we welcome you at Aave Labs. As an equal opportunities employer, we take accountability and believe in everyone's potential to build, create and inspire changes. With a mission to build a diverse workforce, we are proud to foster a working environment in which everyone can feel safe and valued for who they are.

## Description

* Build transaction-orchestration and indexing services that safely prepare, submit, monitor, and reconcile onchain activity across its full lifecycle
 * Integrate with smart contracts, RPC providers, account infrastructure, payment partners, and other external services, designing for degraded dependencies and partial failure
 * Lead technical reviews for high-value systems and improve testing, observability, alerting, incident response, and deployment practices across the backend codebase
 * Work closely with mobile, web, product, design, protocol, security, data, and operations teams to deliver coherent consumer experiences
 * Raise the engineering standard through hands-on delivery, pragmatic architecture, clear documentation, and review that helps other engineers grow


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