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Senior / Principal Software Engineer - Kusto

Israel, Tel Aviv, Herzliya · Job Posted February 16, 2026
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Job Description

The Kusto team builds the engine that powers real-time log analytics and big data exploration at massive scale across Microsoft and beyond. You'll be joining the core engine team as a Senior/Principal Engineer, responsible for the technology that processes dozens of petabytes daily across hundreds of Microsoft services and Azure's Top 100 enterprise customers. Our engine is the foundation for critical products including Azure Data Explorer, Microsoft Fabric's Real-Time Intelligence, Azure Log Analytics, and Microsoft Defender for Cloud. It enables internal observability for hundreds of Microsoft services and delivers lightning-fast analytics for organizations worldwide. As a Senior/Principal Engineer on this team, you'll lead projects that advance the core Kusto engine by driving new capabilities, optimizing distributed query execution, enhancing ingestion, and solving complex engineering challenges in performance and scalability at petabyte scale.

Job Responsibility

  • Partner with internal and external stakeholders to determine customer requirements, gather feedback, and ensure the engine meets their needs
  • Own and lead architectural discussions for complex aspects of projects within the Kusto engine and drive dependency identification and the design
  • Collaborate with partner teams across Microsoft to ensure integration, testing, scalability, performance standards, and live-site coverage
  • Design and spearhead implementation of key projects in the Kusto engine core, from conception through delivery
  • Enhance existing engine components for even better performance, scalability, and maintainability
  • Provide technical leadership and mentorship to engineers, guiding them to produce maintainable, secure, performant code and establish test strategies that ensure quality
  • Lead collaboration with geographically distributed teams across Microsoft and cross-functional disciplines

Requirements

  • Bachelor's Degree in Computer Science or related technical field / equivalent training
  • 6+ years technical engineering experience with coding in languages including, but not limited to, RUST, C++, C#
  • Experience in designing and implementing large scale distributed cloud services
  • Deep knowledge of database and storage technologies
  • Experience with performance optimizations of code and algorithms

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