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Microsoft Corporation Logo Microsoft Corporation · IT - Software Development

Senior Software Engineer - IC3

Estonia, Tallinn · Job Posted March 21, 2026
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Job Description

At Microsoft, product quality at global scale depends on learning fast, acting decisively, and building systems that engineers trust. Our team owns Microsoft’s feedback intelligence and debuggability platform that transforms raw customer and engineering signals into actionable insights. Every day, our platform processes millions of feedback and telemetry signals from Microsoft products such as Teams, helping teams detect issues early, reduce customer impact, and continuously improve reliability. We are now expanding the team and are looking for engineers who want to work on high‑scale distributed systems, AI‑powered automation, and privacy‑first data platforms, while making a visible impact on products used by hundreds of millions of people worldwide.

Job Responsibility

  • Design, develop and operate features for large-scale distributed software services and solutions.
  • Leverage AI to develop solutions contributing to engineering efficiency.
  • Adhere to modern software engineering practices through design and code reviews.
  • Write clean and optimized code, improve test coverage for services, organize and implement integration tests, and resolve problem areas.
  • Gain a working understanding of Microsoft as a business and collaborate with others to contribute to cohesive, end-to-end experiences for our users.
  • Focus on customer/partner needs through a data driven approach.
  • Develop “best-in-class” engineering for our services by ensuring that the services and the components are well-defined and modularized, secure, reliable, diagnosable, actively monitored and reusable.
  • Collaborate with distributed teams across Microsoft and work cross-functionally with developer, security, privacy, and compliance teams.
  • Perform on-call maintenance of the service.

Requirements

  • Bachelor's Degree in Computer Science or related technical field AND solid technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.
  • Solid object-oriented coding skills in C#, or equivalent.Azure Cloud and services experience.
  • Familiarity with CI/CD practices.
  • Designing, developing, and operating backend services experience.
  • Ability to communicate technical details clearly across organizational boundaries.
  • 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.

Nice to have

  • Master's Degree in Computer Science or related technical field AND extensive 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 extensive technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.
  • Experience building applications on top of large language models (LLMs), experience with agent frameworks.
  • Excellent analytical skills with systematic and structured approach to software design.
  • Passion for building highly scalable, highly reliable services.
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