Remote (Global)

0x is hiring a Senior Software Engineer, DEX Routing

About the Role

The role involves developing and maintaining high-performance routing systems that power decentralized exchange functionality, ensuring scalability, accuracy, and low-latency performance across diverse trading environments.

Responsibilities

  • Design and implement routing algorithms for decentralized trading protocols
  • Optimize trade execution paths across multiple liquidity sources
  • Collaborate with research teams to integrate new trading models
  • Maintain and scale core routing infrastructure
  • Ensure system reliability under high-throughput conditions
  • Debug complex on-chain and off-chain data discrepancies
  • Improve latency and efficiency of quote generation services
  • Monitor production systems and respond to incidents
  • Write clean, testable, and well-documented code
  • Participate in code reviews and technical design discussions
  • Support integration with external market makers and aggregators
  • Contribute to security audits and vulnerability assessments
  • Develop tools for internal and external developer use
  • Analyze on-chain data to inform routing decisions
  • Work closely with frontend teams to deliver accurate pricing data
  • Maintain uptime and accuracy of public APIs
  • Evaluate new blockchain networks for routing compatibility
  • Implement circuit breakers and fail-safes for abnormal conditions
  • Document system architecture and operational procedures
  • Assist in defining roadmap priorities for routing improvements
  • Stay current with advancements in DeFi and smart contract platforms
  • Troubleshoot cross-network transaction issues
  • Refactor legacy components for better performance
  • Support deployment automation and CI/CD pipelines
  • Contribute to open-source projects related to routing

Nice to Have

  • Experience with zero-knowledge proofs or privacy-preserving systems
  • Contributions to open-source blockchain projects
  • Prior work on decentralized exchange platforms
  • Knowledge of MEV and arbitrage dynamics
  • Familiarity with off-chain indexing solutions
  • Experience with Rust or Go
  • Background in quantitative trading systems
  • Understanding of formal methods in software verification
  • Published research or technical writing in blockchain domains
  • Involvement in protocol governance or on-chain voting

Compensation

Competitive salary and equity package

Work Arrangement

Remote-first with flexibility for global locations

Team

Part of a core engineering team building infrastructure for decentralized exchange protocols

Tech Stack

TypeScript, Node.js, PostgreSQL, Redis, Docker, Kubernetes, AWS, GraphQL, ethers.js, Web3.js

Culture & Values

  • We prioritize technical excellence, transparency, and long-term thinking
  • Engineers are encouraged to lead initiatives and propose architectural changes
  • Collaborative environment with minimal hierarchy
  • Commitment to open-source contributions and public documentation

Growth Opportunities

  • Opportunity to shape core infrastructure used across the DeFi ecosystem
  • Direct impact on protocol performance and user experience
  • Access to cutting-edge research in blockchain scalability and routing
  • Mentorship and leadership roles as the team expands

Available for qualified candidates

Required Skills
RustTypeScriptNode.jsAWSKubernetesPostgreSQLRedisKafkaOpenSearchGrafanaLinuxDistributed SystemsBlockchainDEXSmart Contracts RustTypeScriptNode.jsAWSKubernetesPostgreSQLRedisKafkaOpenSearchGrafanaLinuxDistributed SystemsBlockchainDEXSmart Contracts
About company
0x
At 0x, our mission is to 'Create a Tokenized World Where All Forms of Value Can Flow Freely'. We deliver this to web3 builders with a delightfully simple suite of developer APIs that provide faster trading, better prices, and superior user experience. Founded in 2017, we’ve processed over 78M+ transactions and $140B+ in trading volume from users trading on Matcha, Coinbase Wallet, Robinhood Wallet, Phantom, Rainbow, DefiLlama, MetaMask, Zerion, Zapper, and many more.
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Job Details
Category other
Posted 9 months ago