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C++ Software Engineer – Critical Engineering

Optiver
🇦🇺Sydney
Software EngineeringMediorFull-time
Posted June 2, 2026

Requirements

  • Strong C++ programming ability — productive in production C++ from day one
  • Excellent computer-science fundamentals: operating systems, data structures, algorithms and networking
  • Practical Linux/Unix proficiency
  • Familiarity with at least one scripting language (e.g. Python)
  • 3+ years building and operating production software systems
  • Experience working through the full software development lifecycle: requirements, design, implementation, testing, deployment and ongoing operation
  • A track record of solving technically challenging problems and shipping them to real users
  • Working knowledge of distributed systems patterns, observability tooling and CI/CD pipelines
  • Experience building real-time, low-latency or high-throughput systems
  • Familiarity with relational databases or modern data stacks
  • A solid understanding of the trade lifecycle across a range of financial instruments
  • A track record of architectural ownership and influence over technical direction
  • Experience with DevOps and operational excellence — incident response, SLOs and capacity planning

About the Role

Join Optiver's Critical Engineering APAC team in Sydney to build and operate the systems that power Optiver's trading platform. You will work hands-on with C++ on globally distributed services that process huge volumes of data, price thousands of financial instruments, and make millions of trading decisions in real-time. Your work will span real-time risk controls, reference data, trade-lifecycle infrastructure, and trading-integrity systems.

  • Design, build and operate components of Critical Engineering's APAC platform, taking ownership of meaningful, cross-team projects
  • Write production-grade C++ for real-time, low-latency and high-throughput services
  • Set technical direction and make architectural decisions that hold up under production load
  • Partner with stakeholders across the firm to translate business problems into pragmatic technical solutions
  • Manage deployments and provide production support as needed
  • Mentor and raise the engineering bar across the team

What You'll Get

  • Performance-based bonus structure with global profit pool
  • Training, mentorship and personal development opportunities
  • Daily breakfast, lunch and in-house barista
  • Gym membership plus weekly in-house chair massages
  • Regular social events, including a company trip every two years
  • Guided relocation, competitive relocation package and visa sponsorship where necessary