Senior Backend Engineer (DeFi)

TL;DR

Senior Backend Engineer (DeFi): Building and optimizing high-load backend services for a decentralized finance trading platform with an accent on API design, database performance, and scalability. Focus on implementing core business logic, working with order books, and contributing to algorithmic strategies and data transformation.

Location: Must be based in the US or have US work authorization.

Salary: Up to $250,000 Base

Company

Plexus has partnered with a leading DeFi trading team building next-generation trading infrastructure powered by Hyperliquid, focused on making global financial markets more open and accessible through decentralized technologies.

What you will do

• Implement core business logic and backend infrastructure for a DeFi trading platform.
• Work hands-on with order books and trading systems.
• Contribute to generic execution, algorithmic strategies, and data transformation initiatives.
• Build and optimize data pipelines for aggregation and processing.
• Collaborate with a small, high-performing team in a fast-moving, 0 to 1 environment.

Requirements

• Experience with backend infrastructure and implementing core business logic.
• Hands-on experience working with order books.
• Contributed to generic execution, algorithmic strategies, and data transformation.
• Strong backend and infrastructure skills, including data transformation using TypeScript.
• Experience with Tinybird, SQL, and building data pipelines for aggregation and processing.
• Must be eligible to work in the US.

Culture & Benefits

• Competitive salary and equity.
• Medical, dental, and vision insurance for employees and families.
• Flexible Time Off.
• Company-paid parental, medical, and caregiver leave.
• Regular in-person events to connect and collaborate.
• Access to mental health resources and tech reimbursements.