C# Trading Systems Engineer – Options Tech

Susquehanna International Group, LLP; Sydney; On-site; AUD 150,000 - 210,000; Full time

Benefits offered by this job

Private healthcare

Lunch allowance

Education Assistance

Matched donations

Job summary

Susquehanna International Group, LLP seeks a Trading Systems Developer to join the Options Technology team. You will analyze, design, and develop business-critical trading systems, guiding projects from requirements to production release.

You’ll collaborate with technologists, traders, and quantitative analysts to deliver optimal outcomes. The role emphasizes C# development, back-end architecture, and a willingness to work with options and risk concepts.

Qualifications

• Bachelor's degree in a technical or related discipline.
• Track record or strong interest in options, trading, risk, or quant systems development.
• Exceptional C# development skills with OOP, multi-threading, and back-end focus.
• Experience or knowledge of options, risk, pricing, and Greeks is highly regarded.

Responsibilities

• Analyze, design, and develop business-critical trading systems through the full SDLC.
• Collaborate with technologists, traders, and quantitative analysts to deliver optimal outcomes.
• Work on back-end services and performance improvements for trading systems.

Skills

C# development

Design patterns

Multithreading

Back-end development

Education

Bachelor's degree in a technical or related discipline

Tools

Azure Service Fabric

Envoy Proxy

gRPC

Protobuf

React JS

Docker

Kubernetes

Octopus Deploy

ELK Stack

Job description

Susquehanna International Group, LLP seeks a Trading Systems Developer to join the Options Technology team. You will analyze, design, and develop business-critical trading systems, guiding projects from requirements to production release.

You’ll collaborate with technologists, traders, and quantitative analysts to deliver optimal outcomes. The role emphasizes C# development, back-end architecture, and a willingness to work with options and risk concepts.