0x - Senior Software Engineer, API Products
Requirements
• 6+ years of backend engineering experience, including at least 2 years in DeFi at a trading app, wallet, DEX aggregator, onchain data company or similar. • Senior or Lead Engineer with a track record of owning projects end to end, without needing close direction. • Built and maintained developer-facing APIs. • Deep onchain knowledge, especially EVM: how transactions work, including calldata, contract interfaces, gas and approvals. • Strong system design experience for production-scale backend services. • Clear communicator, comfortable explaining technical tradeoffs to non-engineers. • Aligned with our core values https://0x.org/post/the-0x-mission-and-values: do the right thing, consistently ship, and focus on long-term impact. • Able to attend annual in-person team offsites around the globe. • Experience with cross-chain/bridging, or DEX aggregation. • Experience with other ecosystems outside of EVM such as Solana. • Experience with TypeScript and/or Rust, our main languages.
Responsibilities
• Build new APIs and trading products, from researching the problem and designing the architecture to shipping the first version. • Maintain and extend our existing APIs, including support for new chains, bridges and customer-requested features. • Keep our APIs fast and reliable as traffic grows, and participate in the on-call rotation. • Investigate failed trades and stuck transfers using logs, traces and onchain data, and resolve the root cause. • Work with product, legal and GTM, turning business and compliance needs into technical decisions. • Write design documents for your work and review your teammates’ designs and pull requests.
Benefits
• The base salary range for this position is USD $150,000 - $230,000 + equity + ZRX tokens + benefits. Within the range, individual pay is determined by job-related skills, experience, location, business needs, and candidate preferences between the different compensation elements. • Comprehensive insurance (medical/dental/vision/life/disability) for U.S.-based employees — 100% of base plan covered for you and dependents • 401k and FSA for U.S.-based employees • Monthly mobile phone bill, wellness, and pre-tax transportation expense • Covered mental health benefits (included professional therapy sessions) • A supportive remote environment • Lunch reimbursement for all employees across the globe! • Stipend for your ideal remote / WFH set-up: headphones, and any other work gear you may need • 12-week paid parental leave • Great office conveniently located in the SF Financial District for those in the region! • Flexible vacation: Take time when you need it (and we really mean it!)
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