Data Scientist

REA Group Sydney, AUS; Sydney; On-site; AUD 120,000 - 170,000; Full time

Benefits offered by this job

Hybrid & flexible work

Birthday leave & flexible leave

Parental leave

Charity & community programs

Hackdays

Job summary

PropTrack is part of REA Group, Australia’s leading property insights and analytics business, focused on building scalable AI models for property valuation and analytics. This role contributes to designing and deploying statistical and machine learning solutions in collaboration with ML engineers to deliver trusted insights across property journeys.

The data science team works with large, diverse datasets and modern tools to prototype, validate, and productionise models, improving accuracy and

Qualifications

• Tertiary qualification in data science, econometrics, statistics, mathematics, or related discipline.
• 2+ years industry experience in Data Science, ML engineering, Data Analyst or similar roles.
• Proficiency in SQL & Python and production deployment experience.
• Experience with CI, infrastructure as code, containerisation.
• Strong CS fundamentals and experience with Git/Jira/Confluence.
• Attention to detail and data quality.

Responsibilities

• Design and develop AI solutions using AWS, Docker, Python, and BigQuery.
• Prepare data from multiple sources and build modelling datasets.
• Engineer features for PropTrack’s AI platform.
• Prototype and deploy new ML models to improve performance.
• Tune hyperparameters and validate models.
• Create model visualisation tools for analytics.
• Document projects on Confluence and Git.
• Present results within the data science team.

Skills

SQL & Python

Production ML models

Data Visualization

Git & Atlassian tools

BigQuery

Pandas/Numpy

AWS

CI/CD

Team collaboration

Education

Tertiary qualification in data science or related

Tools

AWS

Docker

BigQuery

CI/CD

Git & Confluence

Job description

Make an impact bringing your ideas and solving complex problems in a collaborative, supportive team!

Work for a leading property brand impacting millions of users!

Permanent full time role based in Sydney

We're REA

With bold and ambitious goals, REA Group (https://www.rea-group.com/about-us/about-rea-group/) is changing the way the world experiences property. No matter where you're at on your property journey, we're here to help with every step - whether that's finding or financing your next home.

Our people are the key to our success. At the heart of everything we do, is a thriving culture centred around high performance and care. We are purpose driven and collaborative, which drives innovation and our ability to make a real impact. As such, we’re proud to have been named in Australia’s “Top 5” Best Workplaces two years in a row, as well as being recognised as a Best Workplace for Women.

Which team is this in

PropTrack is Australia’s leading source of property insights, digital valuation solutions, and predictive analytics. The PropTrack Data Science Team will focus on experimenting with new statistical and machine learning techniques, optimising existing models, and prototyping new models. The role will involve working collaboratively with ML Engineers to productionise all model improvements as we aim to empower every property journey with trusted insights, AI, and seamless experiences.

REA is evolving how it leverages AI and data to deliver benefits for customers. Following significant growth in recent years, we are now looking for an experienced Data Scientist to help enhance our existing residential property Automated Valuation Model (AVM), extend our suite of market metrics, and build innovative, customer focused products.

Day to day of the job

• Contribute to design and development of AI solutions using AWS, Docker, Python, BigQuery, and other technologies.
• Apply domain knowledge to extract, manipulate and process data from multiple sources and assemble datasets for modelling
• Finding or engineering new features that can be ingested into PropTrack’s AI platform
• Prototyping and building new statistical and machine learning models to improve model performance
• Hyperparameter tuning and cross-validating model performance
• Develop and maintain model visualisation tools for analytics and business support
• Document projects and processes on Confluence and Git repositories
• Project presentations within the data science team and to broader REA audience

Who we’re looking for

• Tertiary qualifications in data science, econometrics, statistics, mathematics, or related discipline with a numerical/quantitative focus OR equivalent experience.
• 2+ years industry experience working in Data Science, ML engineering, Data Analyst or similar roles
• Expertise in statistical modelling and machine learning theory
• Proficient in SQL & Python (including building packages and test suites)
• Experience building and deploying models to production environments (CI, infrastructure as code, containerisation)
• Strong Computer Science fundamentals in data structures, problem solving, algorithm design, and complexity analysis
• Exposure to Git and Atlassian product suite (Jira, Confluence)
• Team player capable of working collaboratively as well as individually
• A structured approach to building, testing, and iterating on statistical models
• Data handling skills, including cleaning, analysing, and interpreting large data sets, and an intuitive sense for identifying when the data is incorrect or inconsistent.
• Strong attention to detail.

The REA experience

The physical, mental, emotional and financial health of our people is something we’ll never stop caring about. This is a place to learn and grow.

Some of our Perks & Benefits (https://www.rea-group.com/about-us/news-and-insights/blog/how-we-help-our-people/) include:

• A hybrid and flexible approach to working
• Flexible leave options including, birthday leave and purchase additional leave
• Flexible parental leave offering for primary and secondary carers
• Our Because We Care program offers employees volunteering leave, community grants, matched payroll giving and our Community Café donates 100% of revenue to charity
• Hackdays so you can bring your big ideas to life

Our commitment to Diversity, Equity, and Inclusion

We are committed to providing a working environment that embraces and values diversity, equity and inclusion. We believe teams with diverse ideas and experiences are more creative, more effective and fuel disruptive thinking. If you've got the skills, dedication and enthusiasm to learn but don't necessarily meet every single point on the job description, please still get in touch.