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Principal Software Engineer

Microsoft

Microsoft

Software Engineering
India · Bengaluru, Karnataka, India · Hyderabad, Telangana, India
Posted on Mar 4, 2026
Overview

In Microsoft Defender for Office (MDO) team, we are responsible for delivering a cloud-based email and message filtering service that protects customers from advanced threats (malware, phish, fraud and spam) in Microsoft’s collaboration workloads (Mail, Teams, Sharepoint, OneDrive). MDO provides investigation, threat hunting and remediation capabilities that allow security teams to efficiently identify, prioritize, investigate, and respond to threats. Our mission is to stay ahead of attackers by continuously evolving our detection and prevention capabilities using advanced machine learning, heuristics, and big data analytics.



Responsibilities

Our team is looking forPrincipal Software Engineer to join our team. You will be responsible for

  • Low level design and deliver on MDO data platform to analyze email flow and provide insights on potential threats

  • Design, implement, test, and deliver the analytical capabilities that improve researcher agility, MDO level reporting framework and Email threat protection capabilities at edge.

  • Embody our culture and values and demonstrate customer obsession, quality and security.



Qualifications

Required Qualifications

  • Bachelor's Degree in Computer Science or related technical field AND 10+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python.

  • 10+ years of experience with distributed systems or security and compliance platforms.

Preferred Qualifications

  • Master's Degree in Computer Science or related technical field AND 12+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python

  • Proficient in Azure Cloud PaaS services and data platform technologies


This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled.




Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance with religious accommodations and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.