Senior Machine Learning Engineer

Who We Are:
At Prezzee, we’re more than just a digital gifting platform – we’re building human connections through unforgettable gifting moments. With over 1,000 brand partners globally, we’re transforming how people give and receive gifts. From our beginnings as a small Australian startup to becoming a global leader, we thrive on innovation, collaboration, and a deep commitment to making a real impact.

The Role:
Are you ready to transform customer experience and lead the charge in fraud detection? As a Senior Machine Learning Engineer, you’ll play a pivotal role in shaping the future of our AI/ML capabilities. Collaborating with teams across Fraud, Technology, Product, Sales, and Finance, you'll design, train, and deploy advanced machine learning models to enhance customer experience and protect against fraud. Your work will directly drive business growth while ensuring robust fraud prevention.

What You'll Be Doing:

• Design & Innovate: Create and refine machine learning algorithms that enhance customer experience (CX) and fight fraud, pushing the boundaries of what’s possible.
• Optimize Performance: Experiment with new techniques, architectures, and feature selection to ensure top-tier model performance.
• Clean and Curate Data: Work with large datasets, ensuring high-quality data for training and testing – setting the stage for powerful, reliable models.
• Deploy & Scale: Deploy and maintain machine learning models in production environments, ensuring that they are scalable, efficient, and reliable.
• Collaborate Cross-Functionally: Collaborate closely with fraud analysts, software engineers, product managers, and business stakeholders to ensure our ML solutions align with the company’s goals, particularly as it relates to fraud detection and prevention.
• Stay at the Forefront of Innovation: Always be learning and experimenting with emerging trends in machine learning and AI to keep us ahead of the curve.

What We’re Looking For:

Core Skills:

• A strong background in probability, statistics, and algorithms and how to apply these to Fraud Detection and Prevention. 
• Expertise in machine learning frameworks (e.g., Keras, PyTorch).
• Experience in deploying machine learning models on cloud platforms such as AWS, GCP, or Azure.
• Knowledge of scalable machine learning systems and real-time model deployment.
• Familiarity with data structures, data modeling, and software architecture.
• Experience with fraud detection techniques, including anomaly detection and graph-based analytics.
• A solid understanding of MLOps and CI/CD pipelines for ML models.

Why Join Us?
Join us at Prezzee, where we don’t just work – we innovate, collaborate, and shape the future of digital gifting. As part of our dynamic team, you’ll contribute to a global company’s growth while enjoying a flexible, supportive, and inclusive work environment. We offer:

• Incentive schemes based on company-wide targets and individual performance.
• Employee referral program and staff discounts.
• Flexible hours, Culture Swap Days, and 30-day work-from-anywhere benefit.
• Opportunities for professional growth through self-led learning and leadership development programs. 
• Fortnight FIRE Fridays where teams come collaborate to spark with Formative Ideas, Research and Experiment in tech improvements
• Supportive wellbeing platform (Telus) for your mental, social, financial, and physical wellbeing.

Prezzee has been recognized as Foundry's Computerworld 2024 & 2025 Best Places to Work in IT . We value diversity, collaboration, and innovation in everything we do. Join a global team united by the core values: Give openness, Give greatness, Give magic, and Give a damn.

Prezzee is an Equal Opportunity employer. We believe that diversity is the key to building the best products for our customers, team culture and growing our global business. Our diversity mission is for our people to be their most authentic selves, to inspire, innovate and celebrate within a culture of belonging. We do not discriminate based on race, religion, national origin, gender identity or expression, sexual orientation, age, or marital, veteran, or disability status.

We are looking for people to help create human connections, make magic and shape the future of gifting so even if you don’t think you quite meet all of the skills listed or tick all the boxes, we’d still love to hear from you! Please let us know if you require any adjustments as part of the application and recruitment process, We also encourage you to let us know of your pronouns at any point of the process.