Role in brief
0x is seeking a Senior Software Engineer to lead the development of APIs for trading solutions in a fully remote role. Ideal candidates should have extensive backend engineering experience, particularly in DeFi, and a strong understanding of EVM.
About the role
At 0x, the focus is on developing a suite of APIs that enhance trading experiences in the web3 ecosystem. As a Senior Software Engineer, you will be responsible for building new APIs and improving existing ones, ensuring they remain fast and reliable as user demand grows. This role is crucial in shaping the future of trading solutions for various crypto platforms.
You will work alongside a seasoned team of crypto developers who value code quality and collaboration. Success in this position means effectively managing complex projects, communicating technical concepts to non-engineers, and contributing to a culture of continuous learning and improvement. Your contributions will directly impact the quality and performance of the APIs used by a wide array of trading applications.
The salary range for this role is between $150,000 and $230,000, along with equity and additional benefits.
Skills that matter here
- backend engineering: This role requires significant experience in backend engineering to design and maintain robust API services.
- API development: You will be involved in building and enhancing developer-facing APIs that facilitate trading.
- EVM: A deep understanding of the Ethereum Virtual Machine is essential for handling transactions and smart contracts.
- TypeScript: TypeScript will be used for developing APIs and ensuring code quality.
- Rust: Rust may be utilized for building high-performance backend services.
Who this role suits
- A professional with over six years of backend engineering experience, particularly in DeFi.
- Someone who enjoys taking ownership of complex projects and driving them to completion.
- A clear communicator who can explain technical concepts to non-technical stakeholders.
- A team player aligned with company values, prioritizing ethical practices and long-term impact.
From the employer
- 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.
- 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 complex projects end to end.
- 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: do the right thing, consistently ship, and focus on long-term impact.
- Able to attend annual in-person team offsites around the globe.
- The base salary range for this position is USD $150,000 - $230,000 + equity + ZRX tokens + benefits.
- 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!).
Questions about this role
Is this position remote?
Yes, this role is fully remote.
What is the required experience level?
Candidates should have at least six years of backend engineering experience, with two years in DeFi.
How can I apply?
You can apply through the company's website at https://0x.org/?ref=sailonchain.com.