Senior ML Engineer - Real-Time Search Systems

Etsy Ireland UC; Dublin; Hybrid; EUR 120,000 - 180,000; Full time

Benefits offered by this job

Equity package

Annual performance bonus

Competitive benefits

Job summary

Etsy is seeking a Senior Software Engineer I, Machine Learning to join the Search Systems team in Dublin. The role focuses on core retrieval and indexing infrastructure, enabling fast, reliable search experiences for millions of Etsy buyers.

You will report to the Engineering Manager and work on next-gen infra upgrades. The team emphasizes lightweight, scalable systems, ML-enabled rankings, and collaboration with data platforms, enabling rapid experimentation and innovation.

Qualifications

• Proficiency in Python, Scala, Java and/or other equivalent languages.
• Experience building production ML systems and real-time search or ranking components.
• Strong engineering fundamentals and ability to write high-quality production code.
• Experience with performance optimization and low-latency services.
• Collaborative, empathetic team member with strong communication.

Responsibilities

• Design, build, and maintain search backend systems and infrastructure.
• Partner with ML modeling teams to productionalize retrieval and ranking models.
• Ensure reliable data pipelines, index health, and system performance.
• Develop features around indexing, query execution, and ranking infrastructure.
• Support cross-functional collaboration and code reviews to maintain excellence.

Skills

Python

Scala

Java

ML systems

Distributed systems

Performance optimization

Code quality

Team collaboration

Job description

Etsy is seeking a Senior Software Engineer I, Machine Learning to join the Search Systems team in Dublin. The role focuses on core retrieval and indexing infrastructure, enabling fast, reliable search experiences for millions of Etsy buyers.

You will report to the Engineering Manager and work on next-gen infra upgrades. The team emphasizes lightweight, scalable systems, ML-enabled rankings, and collaboration with data platforms, enabling rapid experimentation and innovation.