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Microsoft Corporation Logo Microsoft Corporation · IT - Software Development

Principal Software Engineer

India, Bangalore · Job Posted March 14, 2026
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Job Description

As a Principal Software Engineer in the DPU Networking software team, you will design, develop, deploy and support networking packet forwarding and control plane functions that enable high performance data processing within various network endpoints in Azure data centers. You will work as part of a dynamic, multi-talented team of engineers from across the world. You would collaborate with technical stakeholders in a cross functional team manner and contribute towards the success of multiple projects and initiatives across the organization. This opportunity will allow you to develop new solutions for the Azure fleet, participate in the design of cutting-edge networking solutions and hone your design and performance optimization skills.

Job Responsibility

  • Collaborate with stakeholders to understand business needs and translate them into technical requirements and solutions
  • Work across team and organizational boundaries to drive clarity and alignment
  • Drives identification of dependencies and the development of design documents for a product, application, service, or platform
  • Drives, creates, implements, optimizes, debugs, refactors, and reuses code to establish and improve performance and maintainability, effectiveness, and return on investment (ROI)
  • Conduct research, stay updated with the latest industry trends, and experiment with cutting-edge technologies to drive innovation
  • Leverages subject-matter expertise of product features and partners with appropriate stakeholders (e.g., project managers) to drive a workgroup's project plans, release plans, and work items
  • Acts as a Designated Responsible Individual (DRI) and guides other engineers by developing and following the playbook, working on call to monitor system/product/service for degradation, downtime, or interruptions, alerting stakeholders about status and initiates actions to restore system/product/service for simple and complex problems when appropriate
  • Proactively seeks new knowledge and adapts to new trends, technical solutions, and patterns that will improve the availability, reliability, efficiency, observability, and performance of products while also driving consistency in monitoring and operations at scale
  • Coaching and mentorship of fellow team members
  • Effective communication skills and a passion for delivering scalable solutions through a diverse team of engineers

Requirements

  • Bachelor's degree in computer science or computer engineering, or related technical discipline AND 12+ years software development engineering experience
  • 10+ years of experience in software design and coding of Layer3-4 ethernet/IP networking data plane packet forwarding within a programmable NIC OR network switches and routers OR a packet processing architecture with hardware offload
  • 10+ years of programming experience in C

Nice to have

  • Knowledge of L2/L3/L4 networking packet processing data path functions within a programmable NIC or Data center switch or a networking appliance
  • Experience in implementing networking solutions for high scale and throughput embedded networking solutions
  • Experience in developing networking software on DPUs or programmable NICs or other hardware offload architectures
  • CI/CD Experience: Knowledge of Continuous Integration and Continuous Deployment (CI/CD) practices for streamlined software development and deployment processes
  • Scripting for Developer Tools: Proficiency in scripting languages to build and enhance developer tools, automating repetitive tasks and improving workflow efficiency
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