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:

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

Your responsibilities will include:

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

Why Join Us:

• Work on technically challenging problems involving large-scale infrastructure and distributed systems.
• Collaborate with experienced engineers from diverse technical backgrounds.
• Gain exposure to a broad modern technology stack spanning application development, infrastructure, data, and cloud-native systems.
• Enjoy a highly collaborative Agile environment that values testing, shared ownership, and continuous learning.
• 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.
• 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.