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 for passionate engineers at Software Engineering II level to join our team. You will be responsible for + Design and deliver data platform to analyze email flow and provide insights on potential threats + Design, implement, test, and deliver high-quality, distributed, and geo-redundant services to detect the email threats at delivery and mitigate. + Embody our culture (https://careers.microsoft.com/v2/global/en/culture)  and values (https://www.microsoft.com/en-us/about/corporate-values) anddemonstrate customer obsession, quality and security. **Qualifications** **Required Qualifications ** + Bachelor's Degree in Computer Science or related technical field. + 2.5 years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python. + 1+ years of experience with distributed systems or security and compliance platforms. **Preferred Qualifications** + Proficient in Azure Cloud PaaS services and data platform technologies Microsoft is an equal opportunity employer. Consistent with applicable law, 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 and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations (https://careers.microsoft.com/v2/global/en/accessibility.html) .