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About the Role

Join the Critical Engineering APAC team in Sydney as an experienced software engineer. You will build and operate the systems that Optiver's trading stack runs on, processing huge volumes of data, pricing thousands of financial instruments, and making millions of trading decisions in a safe, deterministic, real-time manner. You will own systems spanning real-time risk controls, reference data, trade-lifecycle infrastructure, and trading-integrity systems.

Responsibilities

Design, build, and operate components of the Critical Engineering APAC platform, taking ownership of meaningful, cross-team projects.
Write production-grade C++ for real-time, low-latency, and high-throughput services enabling Optiver's trading at scale.
Set technical direction and make architectural decisions within your area of ownership.
Partner with representatives from all domains to translate business problems into technical solutions.
Manage deployments to reduce risk and provide production support.
Maintain system quality through code review, automated testing, and strong observability.
Drive continuous improvement by replacing legacy or manual processes with better-engineered systems.
Mentor and act as a role model for less experienced engineers.

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).
5+ 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.

Skills

C++
Linux/Unix
Python
Distributed systems
Observability tooling
CI/CD pipelines
Relational databases
DevOps

Location

Sydney

Work Type

Full-time

Experience Level

5+ years

Benefits

Performance-based bonus structure
Training, mentorship, and personal development opportunities
Daily breakfast, lunch, and in-house barista
Gym membership and weekly in-house chair massages
Regular social events
Guided relocation, competitive relocation package, and visa sponsorship

About the Company

Optiver is a global market maker founded in Amsterdam with offices worldwide.
Established in 1986, Optiver is a leading liquidity provider with close to 2,000 employees.
The company's mission is to improve the market through competitive pricing, execution, and risk management.
Optiver provides liquidity to financial markets using its own capital, trading a wide range of products.
The Sydney office, established in 1996, is a primary player in Asian markets and serves as Optiver's APAC head office.

Equal Opportunity

Optiver is committed to diversity and inclusion.
Applications are encouraged from candidates of all backgrounds.
Reasonable adjustments are welcomed during the application process.