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Microsoft Corporation Logo Microsoft Corporation · IT - Software Development

Principal Software Engineer

United States, Redmond 139900.00 - 274800.00 USD / Year · Job Posted January 22, 2026
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Job Description

Microsoft’s Azure Data engineering team is leading the transformation of analytics in the world of data with products like databases, data integration, big data analytics, messaging & real-time analytics, and business intelligence. The products our portfolio include Microsoft Fabric, Azure SQL DB, Azure Cosmos DB, Azure PostgreSQL, Azure Data Factory, Azure Synapse Analytics, Azure Service Bus, Azure Event Grid, and Power BI. Our mission is to build the data platform for the age of AI, powering a new class of data-first applications and driving a data culture. Within Azure Data, the databases team builds and maintains Microsoft's operational Database systems. We store and manage data in a structured way to enable multitude of applications across various industries. We are on a journey to enable developer friendly, mission-critical, AI enabled operational Databases across relational, non-relational and OSS offerings. The engineering systems team in Azure SQL owns the technologies and services that enable the entire organization to do product and service development and engineering with high quality and efficiency. The team builds and runs code movement pipelines, intelligent validation services, and scalable test environments so that the organization can deliver features and values for Azure SQL customers. We are leveraging to AI to improve developer's experience. We are hiring a Principal Software Engineer to focus on upgrading the SQL code base to use future versions of the compiler, improving build time and performance, and modernizing tools in the development process.

Job Responsibility

  • Own the upgrade and adoption of new versions of compilers to the SQL code base, leveraging domain knowledge of Microsoft Visual C++ internals, language standards, and diagnostics to ensure compatibility and performance across millions of lines of code
  • Develop a strategy and execution plan for such upgrade and adoption by accounting for the complexities and dependencies of the code base, defining functional, performance and stress criteria for the successful implementation, and executing the plan
  • Solve specific problems in areas such as compatibility issues, functional issues and work with partner team members to execute and meet functional, performance and stress criteria
  • Conduct analysis on build projects of current code base, understand architecture, recommend strategic and tactical approaches to reduce build time and improve build speed for both full builds and incremental builds, define and meet KPIs and exit criteria
  • Understand the pain points in development process, in areas such as local build troubleshooting, validation, and integration, identify and implement tooling and process improvements including leveraging AI experience such as Copilot to modernize the development and validation experience
  • Embody our culture and values

Requirements

  • Bachelor's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience
  • 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 Cloud background check upon hire/transfer and every two years thereafter
  • Master's Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelor'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 OR equivalent experience
  • Prior knowledge and experience with build systems and/or compiler usage is preferred
  • Prior knowledge and experience with Azure SQL or other database management systems is preferred
  • C++ Compiler skills, Microsoft Visual C++ internals, language standards
  • Build System Engineering Mastery – MS Build, Scopas

Nice to have

  • Master's Degree in Computer Science or related technical field AND 8+ years technical engineering experience
  • Prior knowledge and experience with build systems and/or compiler usage
  • Prior knowledge and experience with Azure SQL or other database management systems
  • C++ Compiler skills, Microsoft Visual C++ internals, language standards
  • Build System Engineering Mastery – MS Build, Scopas
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