Senior Software Engineer – API (Matcha)

Role: Senior Software Engineer – API (Matcha)

Company: 0x

Location: Remote (HQ: San Francisco)

Salary: $95K–$230K + equity + ZRX tokens

Type: Full-time

About the Team & Product:

• Matcha is a DEX aggregator built by 0x, enabling swaps, limit orders, and cross-chain trades.
• Backend tech powers over $62B+ in volume and 3.5M+ trades across 9 blockchains.

Tech Stack:

• Core: TypeScript, Node.js/Express
• Infra: Rust, AWS (Kubernetes, Kafka, Postgres, Redis, OpenSearch)
• Tools: Grafana LGTM, Next.js

Responsibilities:

• Write, review, and improve clean, secure backend code
• Lead or contribute to complex technical projects
• Coach teammates, perform code reviews, and raise team quality
• Build scalable APIs and backend systems
• Advocate for users and customers in development decisions

Requirements:

• 7+ years backend engineering experience
• Expert in TypeScript/JavaScript and Node.js/Express
• Strong grasp of distributed systems, event-driven architectures (Kafka, queues)
• Skilled with APIs, observability, SQL/NoSQL, and AWS
• Strong debugging and problem-solving skills
• Passionate about DeFi and user experience

Nice to Have:

• Experience with OpenSearch/ElasticSearch
• Understanding of EVM chains, JSON-RPC, and replay protection
• Familiarity with Web3 libraries (ethers.js, viem, web3.js)

Benefits:

• Full medical/dental/vision coverage (U.S.)
• 401(k), FSA, monthly phone/wellness stipends
• Mental health benefits, lunch reimbursement
• Remote setup stipend
• 12-week paid parental leave
• Flexible vacation policy
• Global in-person team meetups