Principal Software Engineer
Microsoft
Principal Software Engineer
Microsoft
Builds workplace software, PCs and cloud services
At Microsoft, we are building the next generation of intelligent communication and collaboration experiences that power Microsoft Teams, Azure Communication Services, and other Microsoft 365 products used by hundreds of millions of people worldwide.
Behind these experiences is a complex engineering ecosystem where thousands of developers build, test, deploy, and operate services at massive scale.
The IC3 Engineering Systems & Services (ESS) team is at the heart of this ecosystem. Our mission is to make software engineering faster, simpler, and more reliable. We build platforms, infrastructure, and tools that improve developer productivity across the entire software development lifecycle, from building and testing code to production validation, diagnostics, and troubleshooting.
Our work spans large-scale cloud infrastructure, distributed systems, developer experience, and increasingly, AI-powered engineering. We are rethinking how software is developed, using automation, intelligent tooling, and AI agents to remove friction and enable engineers to focus on what matters most.
We are looking for a Principal Software Engineer who is passionate about solving complex engineering challenges and creating solutions that multiply the productivity of others.
In this role, you will drive technical direction, architect and deliver scalable engineering platforms, and influence engineering practices across teams and organizations. You will work with talented engineers and leaders to identify opportunities, challenge existing approaches, and turn ambitious ideas into practical solutions.
This is an opportunity to have an impact far beyond a single product or service, helping shape how engineering is done at Microsoft.
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.
Drive technical vision and architecture for large-scale engineering platforms and services, ensuring scalability, reliability, security, and long-term sustainability.
Lead complex, cross-team engineering initiatives, navigating ambiguity, identifying opportunities, and translating technical challenges into clear strategies and actionable solutions.
Build and evolve developer productivity solutions across the software development lifecycle, including build infrastructure, automated testing, continuous integration, production validation, and diagnostics.
Pioneer AI-powered engineering capabilities, exploring and applying AI agents, intelligent automation, and emerging technologies to transform developer workflows and improve engineering efficiency.
Deliver high-quality software and services, maintaining hands-on technical involvement while setting engineering standards for architecture, design, implementation, and operational excellence.
Collaborate across organizational boundaries, partnering with engineering teams, architects, product managers, and platform organizations to align technical direction and drive adoption of shared solutions.
Champion engineering excellence, continuously improving reliability, performance, security, observability, and operational efficiency through modern engineering practices and data-driven decisions.
Multiply the impact of others, mentoring engineers, sharing technical expertise, driving architectural discussions, and fostering a culture of innovation, collaboration, and continuous learning.
Software Engineering IC5 - The typical base pay range for this role across Estonia is € 70,600.00 - € 129,200.00 per year. Certain roles may be eligible for benefits and other compensation.
Find additional benefits and pay information here:
https://careers.microsoft.com/v2/global/en/corporate-pay/estonia-corporate-pay.html
Find additional benefits and pay information here:
https://careers.microsoft.com/v2/global/en/corporate-pay/czech-republic-corporate-pay.html
This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled.
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 with religious accommodations and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.
Microsoft builds workplace software, operating systems and cloud infrastructure for consumers, businesses and government agencies, from small organizations to global enterprises. Microsoft 365 combines Word and Excel with Teams communication and Copilot AI features, while Windows runs PCs and Surface supplies the company's own computers. Azure rents computing capacity, storage and databases to build and run web applications. Microsoft also sells Xbox consoles and games, collecting revenue through software licenses, subscriptions, usage charges and product sales. Founded in 1975 by Bill Gates and Paul Allen, Microsoft is headquartered in Redmond, Washington.
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