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Senior Software Engineer (Critical Engineering APAC)

Optiver • Australia
Visa Sponsorship Relocation
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Build and operate the real-time platform systems that Optiver's trading stack runs on in Sydney. Design, build and operate C++ services spanning risk controls, reference data, trade-lifecycle infrastructure and trading-integrity systems. Requires 5+ years of production software experience, strong C++ and computer science fundamentals, Linux/Unix proficiency and scripting familiarity.

Key Highlights
Senior Software Engineer role in Critical Engineering APAC, Sydney
Hands-on C++ development for real-time, low-latency, high-throughput trading platform services
Ownership of cross-team platform components from architecture through production support
Mentorship and technical direction for less experienced engineers
Relocation support and visa sponsorship where necessary
Key Responsibilities
Design, build and operate components of Critical Engineering's APAC platform, taking ownership of the delivery of meaningful, cross-team projects.
Write production-grade C++ for the real-time, low-latency and high-throughput services that enable Optiver's trading at scale.
Set technical direction within your area of ownership, and make architectural decisions that hold up under production load.
Partner with representatives from all domains across the firm to translate business problems into pragmatic technical solutions.
Manage deployments to reduce risk, and provide production support where required.
Maintain quality across the team's systems through code review, automated testing and strong observability.
Drive continuous improvement, replacing legacy or manual processes with better-engineered systems.
Mentor and act as a role model for less experienced engineers, raising the engineering bar across the team.
Technical Skills Required
C++ Linux Python
Benefits & Perks
Performance-based bonus structure
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
Nice to Have
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.

Job Description

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