Gen AI Data Scientist — Production-Ready & Responsible AI

Commonwealth Bank of Australia; Sydney; On-site; AUD 140,000 - 190,000; Full time

Job summary

Commonwealth Bank of Australia is seeking a Data Scientist focused on Gen AI to build production-grade generative and agentic AI solutions that enhance customer experiences. You will solve complex problems using modern AI models, retrieval systems, and evaluation methods, while shaping safe and scalable AI use across CommBank.

In Retail Banking Services, you will join a team delivering AI-enabled customer journeys across digital and assisted channels, deploying models with rigorous governance

Qualifications

• A tertiary qualification in data science, statistics, computer science, engineering or another quantitative discipline, or equivalent demonstrated experience.
• Strong Python and SQL skills.
• Practical experience with large language model and agent frameworks, vector stores and cloud AI platforms.
• Experience in prompt and context engineering, retrieval design and the systematic evaluation of non-deterministic systems.
• Experience delivering generative AI or machine-learning solutions into production, ideally within a regulated environment.
• Knowledge of responsible AI, privacy and model-risk controls, including safety testing and guardrails.
• The ability to explain model behaviour, limitations and risks to technical, non-technical and governance audiences.
• Experience working in agile, cross-functional teams with engineers, product owners and designers.

Responsibilities

• Build and evaluate generative AI solutions across production systems.
• Design agentic workflows with approved tools and human oversight.
• Engineer prompts, system instructions and retrieval pipelines.
• Create evaluation datasets covering groundedness, accuracy, task completion, latency and cost.
• Tune models for different use cases balancing quality, cost, latency and data-residency requirements.
• Apply responsible AI controls and risk review evidence.
• Collaborate with engineering, product, design and governance teams.

Skills

Python

SQL

LLMs

Agent frameworks

Vector stores

Cloud AI platforms

Prompt engineering

Governance

Education

Data science degree or related field

Job description

Commonwealth Bank of Australia is seeking a Data Scientist focused on Gen AI to build production-grade generative and agentic AI solutions that enhance customer experiences. You will solve complex problems using modern AI models, retrieval systems, and evaluation methods, while shaping safe and scalable AI use across CommBank.

In Retail Banking Services, you will join a team delivering AI-enabled customer journeys across digital and assisted channels, deploying models with rigorous governance