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Sr. Software Engineer, Messaging Infrastructure

Dublin💼 Full-time💰 $92,000–$92,000🗓 2026-06-18 → 2026-09-26

Core

Design and build highly scalable, high-availability messaging infrastructure to deliver billions of messages daily across email, SMS, push, and WhatsApp channels.

Role type

Senior Software Engineer, Messaging Infrastructure

Builds

Mission-critical campaign pipeline processing hundreds of millions to billions of messages daily

Domain

Marketing Automation / Messaging Infrastructure

Deliverable

production ML models | product features | infrastructure

Required skills

Large-scale system architecture, performance optimization, queue management, database optimization, system monitoring, agile team leadership, technical mentorship

Preferred skills

Data-driven mindset, experimentation process improvement, cross-team collaboration

Technologies

Python, Django, React, MySQL, Redis, Memcached, Apache Zookeeper, Apache Pulsar, AWS (EC2, RDS, Aurora), Terraform, Jenkins

Responsibilities

Own and build features/services relied on by hundreds of thousands of customers; Craft highly-scalable campaign pipelines; Collaborate on designs and engineering practices; Learn and introduce new technologies; Mentor team members; Participate in technical interviews

Seniority

Senior, hands-on IC with mentorship responsibilities

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