Staff Software Engineer — Java / Spring Platform Croatia; Spain ; United Kingdom Duetto's core Java/Spring platform processes millions of rate decisions daily across thousands of hotels worldwide — and this role owns its architecture and evolution.
As Staff Software Engineer on the Dev Platform team, you'll drive domain decomposition, define service boundaries, and lead the modernisation of a high-throughput, multi-tenant system that sits at the heart of everything Duetto ships.
You'll also be at the frontier of how AI-augmented engineering works in practice — pioneering workflows using Claude Code, Claude MPM, and Duetto's in-house MCP server platform across US and European engineering teams.
What Makes Us Different?
Duetto is the hospitality industry's leading revenue management platform, founded in by former Wynn Resorts executives who knew the industry needed better technology.
We built the world's first Revenue & Profit Operating System — a suite of tools (Game Changer, Score Board, Block Buster, Advance and more) that goes beyond room pricing to give hotels,



resorts and casinos a complete picture of their revenue and profitability.
Trusted by clients ranging from independent boutique hotels to integral chains, we've been named the #1 Revenue Management Software by Hotel Tech Awards four years running and the #1 Best Place to Work in Hotel Tech in .
Backed by Growth Curve Capital since , we're accelerating our investment in AI — and we're genuinely passionate about the industry we serve.
We build products we're proud of, for customers we care about.
What You'll Be Doing You'll own the architecture and technical roadmap of Duetto's Java/Spring monolith — driving domain decomposition, defining service boundaries, and leading platform modernisation initiatives that improve modularity, reliability, and developer experience at scale.
You'll design and build event-driven data flows using AWS Kinesis, SQS/SNS, and the Spring Cloud Stream processing framework, and improv

📌 Staff Software Engineer — Java (España)
🏢 Duetto Research
📍 España