New 
Principal Software Engineer
 Microsoft | |
 United States, Washington, Redmond | |
 Aug 21, 2025 | |
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OverviewSecurity represents the most critical priorities for our customers in a world awash in digital threats, regulatory scrutiny, and estate complexity. Microsoft Security aspires to make the world a safer place for all. We want to reshape security and empower every user, customer, and developer with a security cloud that protects them with end to end, simplified solutions. The Microsoft Security organization accelerates Microsoft's mission and bold ambitions to ensure that our company and industry is securing digital technology platforms,devices,and clouds in our customers' heterogeneous environments, as well as ensuring the security of our own internal estate. Are you excited about building capabilities that help protect our customers from cybersecurity threats. Making security incident detection and investigation autonomous Do you enjoy designing & building full-stack products using technologies ranging from backend services and APIs for optimized data retrieval and business logic, to LLM-based agentic workflows Do you thrive in a collaborative and data-driven environment Do you enjoy working with talented feature teams including software engineers, product managers, and security researchers If so, you'll love our collaborative, agile, and fun group with a startup mindset. We are hiring a Principal Software Engineer. As are part of the Defender Experts product unit (part of Microsoft's Security division) our mission is to help protect our customers with innovative AI-powered & full-stack capabilities, combined with human-powered intelligence. We are committed to defending Microsoft customers from cyber-attacks as well as providing sophisticated capabilities to protect their digital assets. Making our customers succeed with our solutions is what excites us every day! We are a diverse group with people from a wide variety of backgrounds, prior work & life experiences. We foster a strong culture of learning & a collaborative work environment. Microsoft's mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.
Responsibilities Design, implement and deploy highly scalable real time data processing cloud services utilizing Azure services.Leverage state of the art AI technologies like Transformers Neural Networks, Embeddings, Vector stores, LLMs, and Agentic Workflows to solve challenging security problems.Help the team in all aspects of building cloud & AI-powered features from inception to productization to monitoring in production. Lead, inspire, and motivate engineering teams as a mentor and technical leader to create a culture where engineers thrive, grow, and innovate in a high-performance environment. Lead or participate in design reviews to evaluate technology options, review peer code for adherence to best practices, leverage AI in building software and contribute to and refine documentation to improve engineering efficiency.Collaborate with cross-functional teams to integrate Security for AI and AI for Security, enhancing our threat detection and response capabilities.Embody our culture and values | |