Senior Backend Engineer – Finapps/Access
Design and build backend services for high-volume on-chain transaction flows across EVM and non-EVM networks. Own backend components and APIs from architecture through deployment, integrate DeFi protocols and blockchain nodes, evaluate emerging technologies, optimize production systems, and deliver features at scale.
Responsibilities
- Design and build scalable backend services
- Develop and deploy backend components and APIs
- Integrate DeFi protocols, on-chain data sources, and blockchain nodes
- Research blockchain technologies, protocols, and standards
- Optimize production systems for performance, reliability, and security
- Collaborate with product, protocol research, and platform engineering teams
- Drive features from inception through scaled delivery
Requirements
- 7+ years of backend or full-stack engineering experience
- Bachelor of Science degree or equivalent experience
- Deep understanding of blockchain transaction lifecycles, consensus mechanisms, smart contract interactions, and on-chain data
- Experience across EVM and non-EVM blockchain ecosystems
- Proficiency in Node.js and TypeScript
- Experience designing and operating production microservices
- Experience with CI/CD environments
- Understanding of security principles and cryptography in blockchain
- Familiarity with DeFi protocols
- Experience with ethers.js, viem, web3.js, or Solana web3.js
- Experience taking products from inception to delivery at scale
- React or frontend development experience is a plus
Benefits
- Meaningful equity
- Generous benefits