Senior Data Analyst

• You are determined to stay ahead of the latest technologies in Analytics

• We're one of the largest and most advanced Analytics practices in the country

• Together we can build state-of-the-art models that power seamless experiences for millions of customers

Do work that matters

Our Vision is to excel at securing and enhancing the financial well-being of people, businesses and communities by being there for our customers in the moments that matter. To do this we are delivering world-class capability to understand, respond to and meet the needs of our customers in all the channels that they use (and prefer to use).

See yourself in the role

As a Senior Data Analyst (GenAI focused), you will work extensively with Fraud Capability, Technology, CDAO, and other partners to deliver GenAI use cases in card detection, case handling, and assessment.

• Understand Cards Fraud deeply, an ever-changing and challenging domain, gain deep knowledge of our detection and assessment processes.

• Support complex projects by offering expertise in solving Card Fraud issues using GenAI for Detection, Assessment, and Automation.

• Collaborate with cross-functional teams, including Fraud Tech, CDAO, and GenAI Engineer team, to ensure the successful deployment of Card Fraud GenAI use case.

Key responsibilities

• Problem Identification and Requirement Analysis: Collaborate with stakeholders to identify business needs and objectives, analyze the feasibility of AI solutions for fraud detection, and define the scope and limitations of the project.

• Data Collection and Preprocessing: Identify and collect relevant datasets from various sources, clean and preprocess data to ensure quality and accuracy, and handle missing values, outliers, and ensure data normalization and standardization

• Model Selection and Development: Select appropriate algorithms and techniques based on the problem, build and train models using machine learning frameworks like TensorFlow, PyTorch, or scikit-learn, and experiment with different model architectures and hyperparameters to optimize performance

• Model Evaluation and Validation: Evaluate models using metrics such as accuracy, precision, recall, F1 score, and ROC-AUC, validate models through cross-validation techniques to prevent overfitting and underfitting, and conduct A/B testing to assess model performance in real-world scenarios

• Deployment and Integration: Integrate AI models with existing systems and workflows, ensure scalability and reliability of AI solutions, and use platforms like Docker, Kubernetes, and cloud services (AWS, Azure, Google Cloud) for deployment

We are interested in hearing from people who have

Please note that we are interested in hearing from people who might not meet all the following criteria. We’re open to working with the right candidate to fill any skill gaps during your journey at CommBank.

• At least 3 years of experience in a data analysis role, experience working directly with AI, machine learning technologies, statistical systems, or big data platforms. Preferred experience deploying GenAI solutions (can be professional projects or hobby projects).

• Experience in leveraging or critically thinking about how to integrate AI into work processes, decision-making, or problem-solving. This include using AI-powered tools, automating workflows, analyzing AI-driven insights, or exploring AI’s potential impact on the function or industry.

• Preferred experience in building solutions on complex cloud-native products, applications, and platforms.

• Excellent communication and interpersonal skills, with the ability to effectively communicate technical concepts to non-technical audiences.

• Excellent analytical and problem-solving skills.

• Ability to work effectively in a fast-paced, dynamic environment

• Customer-focused mindset and commitment to delivering high-quality results.

If this role sounds like you – Apply now!

At CommBank, we advocate and facilitate a culture of inclusion and respect, celebrating all cultures, abilities, genders, expressions of gender and sexual orientation Read more about our commitment to inclusion and diversity.

If you're already part of the Commonwealth Bank Group (including Bankwest), you'll need to apply through Sidekick to submit a valid application. We’re keen to support you with the next step in your career.

We’re committed to being an accessible employer and want to make finding your dream job as easy as possible. If you experience any accessibility issues or if you require additional support, please contact HR Direct.

We support our people with the flexibility to balance where work is done with at least half your time each month connecting in office. We also have many other flexible working options available including changing start and finish times, part-time arrangements and job share to name a few. Talk to us about how these arrangements might work for you.

If you're already part of the Commonwealth Bank Group (including Bankwest, x15ventures), you'll need to apply through Sidekick to submit a valid application. We’re keen to support you with the next step in your career.

We're aware of some accessibility issues on this site, particularly for screen reader users. We want to make finding your dream job as easy as possible, so if you require additional support please contact HR Direct on 1800 989 696.