Senior Software Engineer - Data, AI and Generative AI

About the role

Xephyr builds sovereign AI agents and the data platforms that power them, for enterprises such as Wesfarmers, Telstra, Bupa, Kmart, Garvan Institute and Sunnyfield. It is a small team of under 20 people, ISO 27001 certified, deploying on-premise or in private cloud. The company is looking for a Senior Software Engineer with expertise in software, data and AI, especially Generative AI, who will design and build production-grade systems, work directly with client stakeholders and mentor earlier-career engineers.

Key responsibilities

• Design, develop and deploy solutions built around data, machine learning and Generative AI to drive business outcomes.
• Design, implement and deploy software solutions, including the data integrations that feed AI.
• Contribute to Generative AI projects that solve complex client challenges.
• Follow and champion repeatable, scalable engineering processes and feed customer insights back into the product roadmap.
• Own the quality of your own work; act as a senior line of defence before it reaches the client.
• Work directly with client stakeholders to understand requirements and deliver trusted technical solutions.
• Mentor engineers earlier in their careers by reviewing their work and supporting their development.

Required profile

• 5+ years in technology engineering, including hands-on software and cloud experience.
• Demonstrated ability to design and ship production software independently, with minimal oversight.
• Experience mentoring or supporting the development of engineers earlier in their careers.
• Ability to explain technical solutions clearly to non-technical stakeholders.
• Preferred: AI/ML engineering projects, startup or scaleup experience, exposure to DevOps, networking or adjacent disciplines, and experience with Snowflake, Databricks, AWS, Azure or GCP.

Required skills

• Strong command of Python
• Experience with strongly typed languages, infrastructure-as-code and containerisation

The company describes its culture as high-trust, low-bureaucracy, with direct access to the founders and high expectations. Applications are reviewed quickly.