Staff Backend Engineer

Job not on LinkedIn

🔥 10 minutes ago

🇪🇸 Spain – Remote

⏰ Full Time

🔴 Lead

🔙 Backend Engineer

👻 Ghost score 10%

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Aave Labs

WebsiteLinkedInAll Job Openings

51 - 200 employees

₿ Crypto

🌐 Web 3

Crypto • Web 3

Aave Labs is the development arm behind the Aave ecosystem, building decentralized finance (DeFi) primitives such as the GHO stablecoin and working on Web3 social infrastructure like the Lens protocol. The organization focuses on blockchain-based financial products, smart-contract development, and decentralized social tooling within the crypto/Web3 space.

📋 Description

• Design, build, and operate backend services for Aave App across onboarding, funding, savings, withdrawals, portfolio data, and customer communications • 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 • 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 reviews that help other engineers grow • Own a broad technical area and turn ambiguous product goals into reliable production systems • Build services supporting customer transactions, sensitive account flows, and financial data across onchain and offchain infrastructure

🎯 Requirements

• 6+ years of backend engineering experience, including ownership of complex production systems • Strong backend programming skills • Production experience with Rust highly desirable; strong systems experience in Go, C++, or Java also considered • Experience building distributed, event-driven, or data-intensive systems with clear reliability and performance requirements • Strong knowledge of API/GraphQL design • Experience with PostgreSQL or another relational database • Knowledge of caching, queues, and observability • Experience with blockchain systems, particularly transaction signing, private-key or key-management flows, wallet infrastructure, and onchain transaction lifecycles, highly desirable • Strong judgement around threat modelling, sensitive data, permissions, and operational risks of systems handling financial value • Nice to have: experience with EVM-compatible networks, smart accounts, account abstraction, bridges, or DeFi protocols • Nice to have: experience building consumer fintech, savings, wallet, exchange, or payments products at meaningful scale • Nice to have: experience with cross-chain indexing, large-scale data ingestion, Kafka, ClickHouse, or similar infrastructure

🏖️ Benefits

• Full-time employment • Remote work in the EU • Equal opportunities workplace • Working environment in which everyone can feel safe and valued • Opportunity to work on globally accessible financial services and decentralized finance products • High-ownership role with broad technical responsibility • Opportunity to contribute to trusted, high-quality products and economic opportunities