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This job expired on 16/09/2026. It no longer accepts applications.
Software Engineer - Identity
Microsoft · Dublin
Job description
About the role
Microsoft Security is looking for a Software Engineer to join the Identity team, which protects Microsoft platforms from large‑scale signup and telecom fraud. You will work on cutting‑edge machine‑learning and security solutions that safeguard billions of users worldwide.
Key responsibilities
- Design, develop, and maintain detection and blocking mechanisms for bot accounts, phishing, spam, and telecom fraud.
- Build and operate a state‑of‑the‑art machine‑learning platform for model training, deployment, and monitoring.
- Collaborate with threat‑intelligence teams to incorporate signals from internal and external sources.
- Investigate advanced nation‑state attacks and translate findings into actionable defenses.
- Contribute to the scalability and reliability of distributed systems that process real‑time security data.
Required profile
- Passion for security, identity protection, and anti‑fraud technologies.
- Strong sense of accountability and willingness to learn new AI and distributed‑system concepts.
- Ability to work in a fast‑moving, collaborative environment with experts across AI, security, and systems engineering.
Required skills
- Software development experience (any modern programming language).
- Machine‑learning model development and deployment.
- Understanding of AI techniques applied to security data.
- Distributed systems design and implementation.
What we offer
- Opportunities to work on high‑impact security solutions protecting billions of users.
- Access to experts in AI, security, and large‑scale system design.
- Career growth within Microsoft’s global security organization.
- Inclusive culture that values growth mindset, respect, and integrity.
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Microsoft
Dublin