You are passionate about all things data related with a positive attitude 

We are a high performing team with a passion for innovation and continuous improvement. 

Together we can deliver an exemplary experience for our stakeholders and the Group 

Do work that matters 

Business Bank (BB) offers a wide range of services and solutions to our small to medium enterprise customers and our regional and agribusiness customers. We also take care of our personal and institutional online trading customers.  

CommSec is Australia’s leading online broker providing equities, international shares, exchange traded funds, research and margin lending services to our retail and sophisticated clients. 

The CommSec Data and Insights Centre of Excellence (COE) is a central Data and Analytics function that supports the delivery of Data, Advanced Analyticsand Data Scienceofferingsfor the entire CommSec business The COE’s mission is to provide trusted data, capabilities and actionable insights in partnership with our stakeholders to drive customer experience, empower decision making and safeguard our data.  ​ 

See yourself in our team 

You’llbe part of the Insights and Decision Science Chapter within the Data COE, responsible for drivingCommSec’sadvanced analytics and data science capabilities. Our team plays a critical role in shaping strategic decision-making by delivering high-quality reporting, advanced analytics, and actionable insights. We partner closely with the business to translate data into meaningful recommendations, while also building and testing scalable data science solutions.Through robust analytics frameworks and innovative solutions, we helpCommSecoptimise performance, enhance processes, and manage risk more effectively.

Working in this team means being at the forefront ofdata, AI, and customer insight innovation, with the opportunity to influence how CommSec leverages emerging technologies such asGenAI and agentic AIto deliver better outcomes for customers.

In this role 

As a Senior Data Scientist within the Customer Care – HeyCommSec& GenAI Squad, you will help shape and improveCommSec’scustomer-facing GenAI and agentic AI capabilities. You will evaluate chat-bot performance, generateinsightsandidentifyopportunities to improve experiences that retrieveCommSecdigital content and provide customers with relevant portfolio insights.

You will work closely with Software Engineers, Product Owners, SMEs, Legal and Risk partners to turn analysis into practical improvements across agent design, prompting, retrieval quality and customer experience.

Other responsibilities will include

• Design and maintain evaluation metrics, test datasets and frameworks for GenAI and agentic AI solutions.

• Analyse chatbot interactions, model behaviour and evaluation results to understand performance, quality and customer impact.

• Use Python to develop repeatable analysis, testing and reporting workflows.

• Provide clear, actionable recommendations to improve AI performance, usefulness and customer outcomes.

• Support scalable monitoring and quality assurance practices for AI-powered customer experiences.

• Communicate findings clearly to technical and non-technical stakeholders.

We’re interested in hearing from people who have 

Please note that we’re 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.

• Experience applying data science, advanced analytics or machine learning to solve complex business or customer problems.

• Strong Python skills, with experience analysing data and developing repeatable analytical workflows.

• Practical experience or strong interest in GenAI, LLMs, RAG, Agentic AI, prompting, model evaluation or AI experimentation.

• Experience designing evaluation metrics, test datasets or analytical frameworks to assess model or product performance.

• Strong problem-solving skills, with the ability to turn ambiguous questions into structured analysis and clear recommendations.

• Excellent communication skills, including the ability to explain technical concepts clearly to different audiences.

• A curious mindset and willingness to continuously learn, adapt and experiment in the fast-changing world of AI.

• Ability to work effectively with Software Engineers, Product Owners, SMEs, Legal,Riskand business stakeholders.

• Experience with agentic frameworks is helpful.

Working with us  

 We support our people with the flexibility to balance where work is done with at least half your time each month connecting in our Sydney 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.