Senior ML Infra Engineer — Search Systems

Etsy; Dublin; Hybrid; EUR 98,000 - 132,000; Full time

Benefits offered by this job

Equity

Annual bonus

Benefits

Job summary

Etsy is hiring a Senior Machine Learning Infrastructure Engineer for the Search Systems team in Dublin. You will design, build, and maintain scalable retrieval and ranking infrastructure that powers fast, reliable search experiences for millions of buyers and sellers.

Reporting to the Engineering Manager, you will collaborate with ML scientists and platform teams to advance real-time ML capabilities, while contributing to a culture of technical excellence and mentorship.

Qualifications

• Production ML systems experience with real-time prioritization or search systems.
• Proficiency in Python, Scala, Java or other production languages.
• Experience with low-latency, scalable retrieval/infrastructure.
• Familiarity with neural retrieval, semantic search, or transformer-based models is a plus.
• Strong collaboration with ML scientists and platform teams.

Responsibilities

• Own and operate high-throughput search backends and retrieval infrastructure.
• Collaborate with ML modeling teams to productionalize new retrieval and ranking models at scale.
• Ensure reliable data pipelines, index health, and performance.
• Contribute to a culture of engineering excellence through code reviews and design discussions.

Skills

Python

Scala

Java

ML Infra

Job description

Etsy is hiring a Senior Machine Learning Infrastructure Engineer for the Search Systems team in Dublin. You will design, build, and maintain scalable retrieval and ranking infrastructure that powers fast, reliable search experiences for millions of buyers and sellers.

Reporting to the Engineering Manager, you will collaborate with ML scientists and platform teams to advance real-time ML capabilities, while contributing to a culture of technical excellence and mentorship.