User Experience Designer jobs in United Kingdom

Optiver is recruiting a Software Engineer (Developer Experience) for 2025 in Australia. This role offers visa sponsorship (subclass 186 / 482), guided relocation, and access to one of the most competitive bonus structures in the global financial technology industry.

As a Software Engineer within Optiver’s Developer Experience team, you will focus on building the infrastructure, tooling, and automation that power the entire software development lifecycle. Your work will directly improve how hundreds of engineers develop, test, and deploy software across Optiver’s global offices, enabling faster iteration, higher confidence, and improved productivity at scale.

Optiver is a leading global market maker founded in 1986, with nearly 2,000 employees across major financial hubs including Sydney, Amsterdam, London, Chicago, Hong Kong, and Singapore. Optiver trades using its own capital across derivatives, equities, ETFs, bonds, and foreign exchange, with a strong reputation for engineering excellence, innovation, and collaboration. Sydney serves as Optiver’s APAC headquarters and a key driver of its global trading operations.

• Design, build, and maintain scalable build systems used company-wide
• Develop and manage core build libraries, shared CI/CD pipelines, and Docker images
• Create tools that improve local develop–build–test workflows, including CLI tools, IDE extensions, and container-based environments
• Automate release and deployment processes to support continuous delivery
• Explore and support adoption of AI-assisted developer tools and coding agents
• Define and track meaningful metrics to measure developer productivity
• Partner with engineering teams to identify workflow bottlenecks and design productivity-enhancing solutions
• Improve iteration speed, reliability, and overall developer confidence across the organisation

• Experience designing and optimising containerised build workflows (e.g., Docker, Bazel, CMake, Ninja, Poetry)
• Strong experience building CI pipelines using platforms such as GitHub Actions or Jenkins
• Solid coding fundamentals across scripting and compiled languages
• Deep understanding of the full software development lifecycle from ideation to production
• Proven passion for developer experience and productivity improvements at scale
• Strong engineering instincts with a focus on high-quality, scalable solutions
• Ability to work autonomously while collaborating effectively in high-performing teams
• Curious mindset with a continuous improvement approach to tooling and workflows

This Software Engineer (Developer Experience) role at Optiver is ideal for engineers who enjoy amplifying the impact of others through tooling and automation. With world-class peers, industry-leading bonuses, comprehensive benefits, and visa sponsorship, it presents a rare opportunity to shape developer productivity at scale within a global, high-performance trading environment.