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Matt Wallaert
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Senior Software Engineer

Microsoft

Microsoft

Software Engineering
Poland
Posted on Jan 7, 2026
Overview
We are looking for a Senior Software Engineer to work on new SDKs that redefine how developers work - inside Microsoft and beyond. If you're someone who loves the thrill of creating solutions that impact the world, enjoys cracking engineering puzzles to save millions of CPU cycles worldwide and wants to help other engineers building their next-big-thing, you're in the right place. 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.

Responsibilities
  • Develop high-performing SDK leveraging cutting-edge technologies and best practices.
  • Understand, analyze, and translate engineering requirements into efficient and scalable SDK functionalities.
  • Support and actively engage with the SDK consumers (including open-source community), fostering collaborative relationships and soliciting feedback.
  • Prove SDK value by re-implementing mission critical services to the latest technologies and frameworks.


Qualifications

Required Qualifications:

  • Bachelor's Degree in Computer Science or related technical field.
  • Technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python.

Preferred Qualifications:

  • Designing and developing SDKs in C# (or other object-oriented language).
  • Experience shipping large-scale, high-volume services.
  • Experience in working with open-source communities and/or contribution to OSS project.

Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, color, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable laws, regulations and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or the recruiting process, please send a request via the Accommodation request form. Benefits/perks listed below may vary depending on the nature of your employment with Microsoft and the country where you work. #sdk #dotnet


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.