Principal Software Engineer Bangalore, Karnataka, India Date posted Jun 15, 2025 Job number 1832394 Work site Up to 50% work from home Travel 0-25 % Role type Individual Contributor Profession Software Engineering Discipline Software Engineering Employment type Full-Time 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. 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. The Security Platform team’s mission is to building cloud solutions to support premium features that provide security, compliance, data governance, data loss prevention, and more, in a fully integrated manner from services to clients of Office 365 as well as Windows. We create global scale services to transport, store, secure and manage some of the most sensitive data on the planet and build our services on top of Azure, Exchange and other cloud platforms, and our experiences in Office applications like Outlook. The IDC arm of the team is expanding substantially and is looking for talented and highly motivated engineers. This is an excellent opportunity for anyone who has, or wants to build, expertise in cloud distributed systems, or in security and compliance, or both. The team will be building cloud solutions meeting scales that few companies in the industry are required to support, that leverage state-of-the-art technologies to deliver holistic protection to a planet scale user base. The Security Platform team provides leadership, direction and accountability for application architecture, cloud design, infrastructures development and end to end implementation. You will independently determine and develop architectural approaches and Infrastructure solutions, conduct business reviews, and operate our production services. Strong collaboration skills will be required to work closely with other engineering teams to ensure services/systems are highly stable and performant and meet the expectations of internal and external customers and users. 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. Qualifications Bachelor's Degree in Computer Science or related technical field AND 14+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience. 4 years of experience as architect in cloud system, 2 years of handling a planet scale service Growth Mindset Ownership Attitude Proactive and dependable 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. Required Tools: C#, Kubernetes, Microservices Architecture, Distributed and Scalable System, Secure Programming #MSFTSecurity #MicrosoftSentinelGraph Responsibilities Coding & Implementation: Lead the efforts of defining best practices and coding standards in team, code review, optimize, debug, refactor and reuse to improve performance and maintainability. Creates and applies metrics to drive quality & stability. Lead the efforts to apply knowledge of debugging tools, telemetry, logs and leads verification of assumptions through writing and developing code proactively before issues occur, sometime reactively as well. Leads retrospective debugging of issues in identifying the root causes. Design: leads identification of dependencies and the development of design documents of the product, services or platform. Identify when to leverage other system and where own system can be used as dependency to improve overall development and integration efforts. Creates proposals for architecture and design documents, and leads testing of hypotheses and proposed solutions. Shares and acts on findings from investigations, owns design decisions, and oversees the less experienced team members. Leads the development of design documents for designs or User Stories and determines the technology that will be leveraged and how they will interact. Leads design discussions with the team and shares findings/learnings from investigations, holding ownership for design decisions. Leads efforts to add new tests, remove antiquated tests, and aggregate tests to improve the overall test suite. Improves recommendations to the team and augments test cases to ensure that solutions have good test coverage. Engineering Excellence: Considers and leads the comprehensive application of automation within production and deployment across products. Runs code in simulated or other non-production environments to confirm functionality and error-free runtime across products. Defines and develops standardized, repeatable, scalable solutions to guarantee quality. Leads efforts to enhance, reuse, contribute to, and identify new software developer tools to support other programs and applications to create, debug, and maintain code across products. Leads efforts to ensure the correct processes are followed to achieve a high degree of security, privacy, safety, and accessibility across solutions and teams. Creates and assures the presence of visible evidence to demonstrate compliance for products. Develops and maintains a deep understanding of the implications of onboarding new technologies following expectations of compliance at Microsoft. Reliability & Supportability: Holds accountability as a Designated Responsible Individual (DRI) and mentors other engineers across products/solutions, working on call to monitor system/product/service for degradation, downtime, or interruptions. Alerts stakeholders as to status and initiates actions to restore system/product/service for complex issues. Develops a playbook for the team to resolve issues. Coordinates people and resources to ensure DRI responsibilities are covered across teams. Responds within Service Level Agreement (SLA) timeframe. Has line of sight to incidences and plans to address emerging issues. Leads efforts to reduce incident volume, looking globally at incidences and providing broad resolutions. Escalates issues to appropriate owners. Integrates, designs, and reviews others' work across a team or product to integrate instrumentation for gathering telemetry data on system behaviour such as performance, reliability, availability, usage, and safety mechanisms. Understand User Requirement: Partners with appropriate stakeholders (e.g., project manager, technical lead) to determine user requirements for a set of scenarios. Leverages a variety of feedback channels to incorporate insights into future designs or solution fixes. Leads incorporation of appropriate continuous feedback loops measuring customer value, usage patterns, and other actionable metrics of value. Begins to determine additional critical metrics. Benefits/perks listed below may vary depending on the nature of your employment with Microsoft and the country where you work. Industry leading healthcare Educational resources Discounts on products and services Savings and investments Maternity and paternity leave Generous time away Giving programs Opportunities to network and connect 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 and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.
