Overview

Security 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. Our culture is centered on embracing a growth mindset, a theme of inspiring excellence, and encouraging teams and leaders to bring their best each day. In doing so, we create life-changing innovations that impact billions of lives around the world.

Microsoft Security Copilot is an AI-powered solution that enables security professionals to detect, investigate, and respond to threats with speed and confidence. We are seeking a Senior Software Engineer and a Software Engineer II to help make advanced AI capabilities practical and impactful for security teams by designing intuitive, secure, and integrated agentic workflows. In this role, you’ll collaborate with engineers, designers, and product managers to shape how customers interact with Security Copilot. You’ll influence architectural decisions, write clean, reliable code, and drive performance, accessibility, and security. We value curiosity, collaboration, and a commitment to building solutions that empower security professionals and protect organizations worldwide.

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

• Works with appropriate internal stakeholders (e.g., product manager, privacy/security subject matter expert, technical lead) to understand and determine customer/user requirements for a set of features.
• Reviews product feature code and test code to ensure it meets team standards, contains the correct test coverage, and is appropriate for the product feature.
• Considers diagnosability, reliability, testability, and maintainability when reviewing code and understands when code is ready to be shared or delivered.
• With minimal supervision, tests and explores various design options for a product/solution feature, outlining strengths and weaknesses of each option.
• Creates and implements code for a product, service, or feature, reusing code as applicable with minimal supervision.
• Uses appropriate artificial intelligence (AI) tools and practices across the software development lifecycle (SDLC) in a disciplined manner.
• Applies best practices to build code based on well-established methods and secure design principles while also applying best practices for new code development and formal validation of security invariants.
• Understands and applies security best practices and establishes code invariants to model "security as code," ensuring each layer is independently secure, and minimizing risk with minimal supervision.
• Adopts security standards for clear security code review practices for a set of product features that align with design and engineering principles to raise the security hardening for both protections and detections

Qualifications Required/minimum qualifications

• Bachelor's Degree in Computer Science or related technical field AND 2+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python- OR equivalent experience.

Other Requirements:

Ability to meet Microsoft, customer and/or government security screening requirements are required for this role. These requirements include, but are not limited to the following specialized security screenings: Microsoft Cloud Background Check:

• This position will be required to pass the Microsoft background and Microsoft Cloud background check upon hire/transfer and every two years thereafter.

Additional or preferred qualifications

• Bachelor's Degree in Computer Science or related technical field AND 4+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python- OR equivalent experience.

• 2+ years of experience designing, developing, or maintaining secure software systems, with applied knowledge of authentication, data protection, access control, and secure coding practices.

• 2+ years of experience developing single-page web applications (SPAs) using JavaScript, TypeScript, or comparable programming languages.

• 2+ years of experience with modern front-end frameworks and state management libraries such as React, Redux, Angular, Fluent UI, or similar technologies.

• 2+ years of experience building responsive and accessible user interfaces using HTML5, CSS3, and applying U2 and accessibility standards such as WCAG.

• 2+ years of experience integrating with RESTful APIs and managing asynchronous data using tools like AJA2, Fetch, Axios, or equivalent, including experience with Node.js or similar environments for client-server integration, tooling, or testing.

• 2+ years of experience deploying and maintaining front-end applications, including ownership of CI/CD pipelines & infrastructure components.
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Software Engineering IC3 - The typical base pay range for this role across the U.S. is USD $100,600 - $199,000 per year. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $131,400 - $215,400 per year.

Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:
https://careers.microsoft.com/us/en/us-corporate-pay

Software Engineering IC4 - The typical base pay range for this role across the U.S. is USD $119,800 - $234,700 per year. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $158,400 - $258,000 per year.

Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:
https://careers.microsoft.com/us/en/us-corporate-pay

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.