Senior API Engineer, DeFi Trading Platforms (Remote)

Inclusively Remote; United States; Remote; USD 150,000 - 230,000; Full time

Benefits offered by this job

Remote-friendly

Lunch reimbursement

Remote work stipend

12-week parental leave

SF office access

Flexible vacation

Job summary

0x is hiring a Senior Software Engineer to expand the API Products team. You’ll lead projects from first idea to production, on new products and on the APIs that are already live, working closely with our product team and some of our biggest customers. This is a hands‑on IC role for someone who wants real ownership and works well with little direction.

Remote, EU timezones preferred. We’re looking for 6+ years in backend engineering, with DeFi experience and strong system design.

Qualifications

• 6+ years of backend engineering experience, including DeFi exposure.
• Experience owning complex projects end-to-end.
• Built and maintained developer-facing APIs.

Responsibilities

• Lead projects from ideation to production for new APIs and trading products.
• Maintain and extend existing APIs, add support for new chains and features.
• Grow API performance and reliability, participate in on-call rotations.
• Translate business requirements into technical decisions and document designs.

Skills

Backend engineering

DeFi experience

System design

Onchain knowledge

Communication

Tools

TypeScript

Rust

Job description

0x is hiring a Senior Software Engineer to expand the API Products team. You’ll lead projects from first idea to production, on new products and on the APIs that are already live, working closely with our product team and some of our biggest customers. This is a hands‑on IC role for someone who wants real ownership and works well with little direction.

Remote, EU timezones preferred. We’re looking for 6+ years in backend engineering, with DeFi experience and strong system design.