Senior Real-Time Trading Systems Engineer

Group One Trading; Chicago (IL); On-site; USD 200,000 - 275,000; Full time

Benefits offered by this job

401(k) plan

Roth 401(k)

Medical insurance

Dental insurance

Vision insurance

Vacation time

Paid holidays

Parental leave

FSA

Job summary

Group One Trading in Chicago, IL or New York, NY is seeking a Senior Software Engineer to build and improve real-time systems powering our options market-making business. You will work with traders and technologists to turn complex requirements into reliable production software and own critical systems from design through live operation.

The ideal candidate combines strong software engineering instincts with experience in high-throughput, production environments and hands-on leadership.

Qualifications

• Experience building real-time, high-throughput trading software.
• Ability to lead design discussions and mentor teammates.
• Bachelor's degree in CS or related discipline or equivalent.
• Strong written and verbal communication skills.

Responsibilities

• Own systems from design through live operation.
• Collaborate with traders and technologists.
• Improve architecture, observability, and reliability.
• Drive production readiness and incident response.

Skills

Real-time systems

High-throughput

Distributed architecture

C#/C++

Mentoring

Communication

Education

Bachelor's in CS or related field

Job description

Group One Trading in Chicago, IL or New York, NY is seeking a Senior Software Engineer to build and improve real-time systems powering our options market-making business. You will work with traders and technologists to turn complex requirements into reliable production software and own critical systems from design through live operation.

The ideal candidate combines strong software engineering instincts with experience in high-throughput, production environments and hands-on leadership.