Principal Engineer

24th September, 2026 We’re teaming up with Epsilon Retail Media on one seriously interesting engineering hire. They’re looking for a Principal Engineer to join their Australian team (in Brisbane) - and this one is for the engineers who’ve reached the point in their career where the hardest problems are usually the most appealing. Search and relevancy. Distributed systems. Performance and latency. Ad serving. Auction mechanics. Architecture that needs to work reliably at serious scale. There’s p…