Backend Engineer - Protocol Platform

Skills

About the Role

Build and operate backend services, APIs, data systems, and integrations powering Compound’s application layer and operational infrastructure. Work across blockchain and traditional software systems to process on-chain data, support wallets and financial partners, and deliver secure, reliable infrastructure for products and users.

Requirements

• 4+ years of professional backend software engineering experience.
• Experience with Go, Python, TypeScript, or Rust.
• Distributed systems, API design, asynchronous processing, event-driven architecture, databases, caching, queues, data consistency, and service reliability.
• Experience with cloud production systems, containerized services, managed databases, networking, observability, and deployment pipelines.
• Authentication, authorization, secrets handling, least-privilege access controls, audit logging, and secure third-party integrations.
• Ability to own projects from system design through production deployment, monitoring, incident response, and improvement.
• Strong engineering judgment, written communication, and cross-functional collaboration.
• Ability to leverage AI-assisted development tools while maintaining code quality, security, and engineering judgment.
• Experience with backend systems for DeFi, fintech, exchanges, custodians, wallets, payments, or financial services.
• Working knowledge of EVM transaction flows, RPC providers, event logs, contract reads, ABI integrations, confirmations, finality, and chain reorganizations.
• Experience with blockchain or financial-data pipelines, reconciliation, idempotency, replay and backfill handling, and event sourcing.
• Familiarity with globally distributed backend services, API gateways, RPC proxies, caching layers, edge infrastructure, and authentication.
• Familiarity with Solidity and smart-contract architecture.
• Experience with custody or permissioned-access systems.
• Experience supporting external developers and partners through APIs, SDKs, webhooks, documentation, or developer tooling.
• Active interest in crypto, DeFi, financial markets, or open financial infrastructure.

Responsibilities

• Design, build, and operate scalable backend services and APIs.
• Index, process, reconcile, and serve on-chain data.
• Handle blockchain-specific failures and data inconsistencies.
• Maintain contract interfaces, transaction workflows, event schemas, and release procedures.
• Develop services and data models for positions, portfolios, transactions, analytics, risk monitoring, notifications, and reporting.
• Own integrations with wallets, custodians, RPC providers, indexers, data platforms, and access providers.
• Build secure service-to-service architecture and access controls.
• Improve reliability through observability, monitoring, alerting, incident response, and operational tooling.
• Participate in architecture reviews, code reviews, and technical planning.
• Support protocol upgrades through migrations, backfills, reconciliation, monitoring, and rollout plans.