C# Trading Systems Engineer - Options Tech (APAC)

Susquehanna International Group, LLP; Hong Kong; On-site; HKD 700,000 - 1,100,000; Full time

Benefits offered by this job

Private healthcare

Lunch allowance

Education assistance

Wellness programs

Job summary

Susquehanna International Group, LLP is seeking a Trading Systems Developer to join our Options Technology team. You will analyze, design, and develop business-critical trading systems through the full software development lifecycle, collaborating with technologists, traders, and quantitative analysts to deliver optimal outcomes.

The role offers a greenfield opportunity as we scale across APAC, with benefits including private healthcare and daily lunch allowance.

Qualifications

• A bachelor's degree (or higher) in a technical or related discipline.
• A track record, working knowledge, or strong interest in options, trading, risk, or quantitative systems development.
• Exceptional C# development skills, with deep knowledge of design, profiling, object-oriented programming, multi-threading, and performance — particularly in back-end development.
• Previous experience or working knowledge of options, risk, pricing, and Greeks will be highly regarded.

Responsibilities

• Analyze, design, and develop business-critical trading systems through the full software development lifecycle from requirements gathering to production release.
• Collaborate with technologists, traders, and quantitative analysts to deliver optimal outcomes.
• Support and scale trading systems across APAC, with flexibility to be based in Hong Kong or Sydney.

Skills

C# development

Back-end development

Multi-threading

Performance optimization

Design patterns

Education

Bachelor's degree in a technical field

Tools

Azure Service Fabric

Docker

Kubernetes

gRPC

Protobuf

React JS

Envoy Proxy

Octopus Deploy

ELK Stack

Job description

Susquehanna International Group, LLP is seeking a Trading Systems Developer to join our Options Technology team. You will analyze, design, and develop business-critical trading systems through the full software development lifecycle, collaborating with technologists, traders, and quantitative analysts to deliver optimal outcomes.

The role offers a greenfield opportunity as we scale across APAC, with benefits including private healthcare and daily lunch allowance.