Senior AI-First Backend Engineer – Data Pipelines

Yahoo; Dublin; Hybrid; EUR 93,000 - 155,000; Full time

Benefits offered by this job

Healthcare

Pension

Flexible benefits package

Job summary

Yahoo in Dublin is seeking an experienced Senior Backend/Data Engineer to own the Mail Intelligence backend services and data pipelines powering AI/ML personalization for 220+ million users. You will lead performance, reliability, and scale across the stack, with a focus on high-throughput, low-latency systems and cross-continental collaboration with the US team.

The role emphasizes AI-assisted development, data quality, and compliance, with a flexible-hybrid setup (2 days on-site in Dublin).

Qualifications

• Bachelor's degree in Computer Science or a related field.
• 8+ years of backend engineering, data engineering, or big data processing.
• Proficiency in Java or Python and strong SQL.
• Hands-on experience with batch or streaming data pipelines (Spark) or high-scale server apps.

Responsibilities

• Own key backend features and data pipelines powering AI/ML personalization for 220+ million users.
• Lead performance and scalability work across the stack to handle billions of transactions.
• Build for resilience with self-healing pipelines and automated diagnostics.
• Establish automated data quality and compliance frameworks.

Skills

Backend engineering

Data engineering

Big data processing

Java

Python

SQL

Spark

Cloud platforms

AI/LLMs

Education

Bachelor's degree in Computer Science

Tools

GitHub Copilot

Cursor

Claude

Gemini

Cloud platform (AWS/GCP/Azure)

Job description

Yahoo in Dublin is seeking an experienced Senior Backend/Data Engineer to own the Mail Intelligence backend services and data pipelines powering AI/ML personalization for 220+ million users. You will lead performance, reliability, and scale across the stack, with a focus on high-throughput, low-latency systems and cross-continental collaboration with the US team.

The role emphasizes AI-assisted development, data quality, and compliance, with a flexible-hybrid setup (2 days on-site in Dublin).