Senior Python Application Engineer – Production & Infrastructure - HFT- Sydney

Build scalable Python applications that simplify complex infrastructure, collaborating globally across engineering teams to design reliable solutions, improve systems, and solve challenging real-world technical problems.

What You'll Do:

1. Design, develop, test, and maintain high-quality Python applications supporting complex infrastructure and internal users.
2. Collaborate directly with users to understand requirements and translate business and technical needs into practical software solutions.
3. Contribute across the full software development lifecycle, from requirements gathering and system architecture to coding, testing, deployment, and continuous improvement.
4. Work alongside sysadmins, network engineers, and other technical specialists to solve critical infrastructure challenges.
5. Develop and enhance back-end and front-end applications using technologies such as Python, Go, Django, Flask, Dash, and React.
6. Work with modern infrastructure and data technologies, including Kubernetes, Kafka, SQL, NoSQL, and high-performance data stores.
7. Participate in Agile development practices with an emphasis on collaboration, shared code ownership, testing, and rapid iteration.
8. Take on additional responsibilities and technical challenges as required.

Your responsibilities will include:

1. Building clean, maintainable, scalable, and testable software.
2. Analyzing complex problems, identifying patterns, and developing effective solutions.
3. Supporting reliable and efficient application infrastructure.
4. Collaborating with globally distributed engineering teams and technical stakeholders.
5. Continuously learning and adopting new technologies where they provide meaningful value.
6. Contributing to a supportive, low-ego engineering culture focused on knowledge sharing and collective success.

Why Join Us:

1. Work on technically challenging problems involving large-scale infrastructure and distributed systems.
2. Collaborate with experienced engineers from diverse technical backgrounds.
3. Gain exposure to a broad modern technology stack spanning application development, infrastructure, data, and cloud-native systems.
4. Enjoy a highly collaborative Agile environment that values testing, shared ownership, and continuous learning.
5. Access comprehensive benefits including medical, dental and vision coverage, life and AD&D insurance, paid vacation and holidays, retirement contributions, parental leave, and wellness programs.
6. Make a tangible impact by developing tools that help users get the most from complex technology environments.

About You:

You are a highly analytical and motivated Python engineer who enjoys turning complex requirements into simple, reliable software. You have strong Python experience, a solid understanding of Linux administration, and a genuine commitment to writing quality, testable code.

You thrive in collaborative environments, communicate effectively with technical and non-technical stakeholders, and are comfortable learning new technologies. You bring flexibility, curiosity, reliability, and a willingness to tackle diverse technical challenges.