Software Engineer - Python - Platform - Data Who they are A global fintech powerhouse is looking for a Software Engineer to help design, build and scale data platforms that sit at the heart of their world-class trading and research operations. This is a high-impact engineering role, ideal for someone who blends strong software fundamentals with a passion for data systems, performance optimisation, and infrastructure reliability. The role You'll join a research-aligned engineering team, focused on building high-performance systems that process large volumes of market data. You'll collaborate with global teams to evolve data infrastructure, improve tooling, and ensure researchers and traders have access to fast, reliable, and cost-efficient data pipelines. Key responsibilities: Platform and Tooling development Design and build scalable data pipelines using Python & Spark Develop and maintain software components that support research workflows Implement observability, monitoring, and tuning for system performance and throughput Optimise resource usage and infrastructure costs (especially in cloud environments like AWS) Contribute to tooling, automation, and internal platform improvements Document best practices and guide engineering decisions with a long-term mindset Mentor junior engineers and contribute to the growth of the Sydney team What you'll bring Extensive software engineering experience with a focus on backend platforms with Python Data Systems Strong programming skills in Python (bonus if you've used C++, Rust) Familiarity with modern tools such as PostgreSQL, AWS, Kafka, Spark Strong problem-solving skills - you enjoy diving deep into performance, reliability, and scale Why join? Work on software that directly enables cutting-edge research and trading decisions Tackle complex engineering problems alongside world-class peers Blended software development, Platform & data engineering thinking in one role Enjoy standout perks, including: Competitive salary industry leading bonuses Daily breakfast, lunch and in-house barista Weekly massages gym membership Annual company trips regular team events Visa sponsorship and relocation support if required If you're a software engineer who thrives on solving platform & data challenges at scale, this is your chance to make an impact in one of the most advanced trading environments in the world.