Yield.xyz · 11 hours ago
Backend Engineer
United States
Full-time
Remote
Senior Level
5+ years expYield.xyz is a company focused on providing yield infrastructure for Web3, integrating various yield sources into a single platform. They are seeking a Backend Engineer to design and build high-throughput backend services and robust data pipelines, collaborating with cross-functional teams to influence the technical roadmap of their decentralized finance solutions.
BlockchainCryptocurrencyDecentralized Finance (DeFi)Web3
Responsibilities
Design and build high-throughput, low-latency backend services in TypeScript/Node.js, with deep attention to API design, schema stability, and versioning
Architect performant PostgreSQL schemas and optimize complex queries for production workloads; leverage Redis for caching and real-time data access
Build robust data pipelines that ingest, process, and normalize blockchain protocol data in real-time at scale
Integrate emerging yield sources (staking, restaking, DeFi protocols) into the Yield.xyz engine including smart contract interaction, transaction signing, and multi-chain coordination
Develop and maintain external-facing APIs that power integrations for major Web3 wallets and fintech platforms
Conduct technical R&D on emerging protocols, validator architectures, and Web3 infrastructure; propose integration strategies and contribute to planning
Operate services on AWS in close partnership with DevOps engineers to ensure reliability, performance, and security at scale
Participate in a rotating on-call schedule to triage and respond to site-wide incidents, ensuring uptime and stability across our APIs, integrations, and data pipelines
Mentor and collaborate with other engineers across the organization, sharing knowledge on backend architecture and Web3 primitives
Own shipping with minimal guidance from technical design and implementation through to deployment, monitoring, and iteration based on real-world performance
Qualification
Required
5+ years shipping production-grade backend systems at scale
Strong TypeScript and Node.js proficiency (NestJS experience is a plus)
Deep expertise with PostgreSQL and hands-on production experience with Redis (or similar in-memory data stores), including designing efficient schemas, writing optimized queries, handling complex data relationships, and implementing caching, sessions, and real-time data workflows
Solid understanding of cloud infrastructure, particularly AWS, and how to build reliable, scalable systems
API design expertise: you understand schema versioning, backward compatibility, rate limiting, and building APIs that scale
Senior-level ownership mentality: you can design, build, test, and ship features end-to-end with minimal guidance
Self-starter energy: you love building code, solving complex problems, and taking initiative
Attention to detail in system design, security, and performance; you think about edge cases and failure modes
Excellent communication skills, especially async and written, to collaborate effectively with distributed teams
Preferred
Web3 familiarity: understanding of RPCs, blockchain signing mechanisms, multi-chain interactions, and Solidity smart contracts
Experience building scalable data pipelines and indexing systems (The Graph, Subgraphs, custom blockchain indexers, etc.)
Blockchain infrastructure experience: you've built systems that interact with blockchain nodes or smart contracts
Deep knowledge of staking, DeFi protocols, validator architecture, or yield mechanisms
Open-source contributions, particularly in Web3 or data infrastructure projects
Experience at high-growth startups in fast-moving, ambiguous environments where you've had to wear multiple hats
Demonstrated curiosity about emerging Web3 technologies and a genuine interest in the space
Company
Yield.xyz
Yield.xyz is the all-in-one Web3 yield API. Staking, DeFi, stablecoins: full data access, plug-and-play UX, up to 2.8x more revenue.
11-50 employees
Funding
Current Stage
Early StageTotal Funding
$5MKey Investors
Multicoin Capital
2025-06-25Seed· $5M
Recent News
2025-10-17
2025-10-17
2025-10-17
Company data provided by crunchbase