Senior Data Engineer - Data Platform & Engineering

Role overview

What you’ll be doing

• Own the reliability, quality, and evolution of a significant portion of the platform built on Snowflake, dbt Cloud, RabbitMQ, Postgres, and GitHub Actions.
• Lead Snowflake performance tuning and cost optimization through query profiling, micro-partition analysis, clustering strategy, and warehouse configuration.
• Design dbt Cloud model architecture, enforce testing standards, and guide incremental strategies and modeling best practice.
• Architect scalable, fault-tolerant pipelines and define standards for error handling, observability, and pipeline design.
• Translate business requirements into data engineering solutions for product, commercial, and analytics stakeholders.
• Own platform domains, resolve incidents, drive root cause analysis, and improve systemic reliability.
• Mentor team members through code review, knowledge sharing, and capability development.
• Evaluate AI tooling for responsible, reliable, and auditable AI-augmented pipelines.

What we’re looking for

• Deep expertise in SQL and Snowflake, including clustering, pruning, warehouse sizing, result caching, Snowpipe, Streams, and Tasks.
• Expert-level dbt Cloud experience with model architecture, testing standards, and incremental strategies; MetricFlow or semantic-layer exposure is advantageous.
• Strong Python engineering practices for production-grade, testable, and maintainable pipeline code.
• Experience with event-driven and messaging architecture such as RabbitMQ or equivalent.
• Solid production pipeline experience with Postgres, including indexing, query optimization, MVCC, and replication or performance troubleshooting.
• Working proficiency in .NET / C# is a plus for reading, triaging, and maintaining existing pipeline code.
• Strong data governance, privacy, security, collaboration, and communication skills.
• Comfort using AI coding assistants with critical attention to output quality, privacy, and cost.
• Successful candidates must complete a National Police Record check and have full-time Australian working rights.

Workplace

• The team embraces hybrid working, combining remote flexibility with in-person collaboration.

About carsales

What’s on offer

• Benefits include paid parental leave, gender-affirming care leave, hackathons, continuous learning, wellbeing initiatives, and flexible policies.