Do you want to help shape the future of .NET, one of the world’s most widely used open-source developer platforms? We are looking for a passionate Software Engineer and Senior Software Engineer to design and build modern, high-performance libraries that power millions of applications across desktop, mobile, cloud, and IoT environments.
In this role, you will contribute to .NET libraries and the broader .NET. You will help design and implement new features, improve existing components, and enhance core platform capabilities across areas such as the Base Class Library (BCL), data access frameworks, and web application frameworks.
You will work on challenging engineering problems involving performance, scalability, reliability, APIs, and developer experience. This includes designing clean, maintainable architectures, improving efficiency, and building solutions that developers worldwide rely on every day.
We embrace modern engineering practices, including AI-assisted development workflows. You will leverage AI tools and technologies to accelerate development, improve code quality, assist with code generation and refactoring, enhance debugging and testing, automate repetitive tasks, and support faster experimentation and problem solving. We value engineers who can effectively combine strong software engineering fundamentals with emerging AI capabilities to deliver better outcomes.
As part of our open development culture, you will collaborate with engineers and the global developer community through GitHub, contributing to discussions, design proposals, code reviews, and open-source initiatives. You’ll have the opportunity to influence the direction of a platform used by millions of developers around the world.
Responsibilities
- Design, develop, and maintain the .NET Core libraries across multiple areas and platforms
- Implement new library features and evolve existing APIs to improve performance, usability, and developer productivity
- Leverage AI-assisted development tools and practices to improve engineering productivity and accelerate implementation
- Investigate, diagnose, and resolve complex issues across Windows, Linux, macOS, iOS, and Android
- Optimize libraries for a wide variety of workloads including mobile, desktop, and cloud-native applications
- Collaborate with other engineering teams and participate in open-source development on GitHub
- Contribute to design discussions, code reviews, and architectural decisions for the platform
Qualifications
- Bachelor’s or Master’s degree in computer science or a related field, or equivalent work experience.
- Solid programming skills in one or more of the following languages: C#, Java, C++, or Python.
- Passion for developer experience and an eagerness to understand what makes great tools.
- Excellent written and verbal communication skills with the ability to collaborate across diverse, distributed teams.
Software Engineering IC3 - The typical base pay range for this role across Czechia is Kč 966,000.00 - Kč 1,727,000.00 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/czech-republic-corporate-pay.html
Software Engineering IC4 - The typical base pay range for this role across Czechia is Kč 1,338,000.00 - Kč 2,448,000.00 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/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.
Skills Required
- Bachelor's or Master's degree in computer science or a related field, or equivalent work experience.
- Solid programming skills in one or more of: C#, Java, C++, or Python.
- Excellent written and verbal communication skills and ability to collaborate across diverse, distributed teams.
- Passion for developer experience and eagerness to understand what makes great tools.
Microsoft Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Microsoft and has not been reviewed or approved by Microsoft.
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Fair & Transparent Compensation — Pay is presented as broadly competitive overall, with clear role/level/location variation and an emphasis on using posted ranges and band information for apples-to-apples comparisons.
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Retirement Support — Retirement benefits are described as a standout, highlighted by a strong 401(k) match structure and immediate vesting, plus additional plan features for tax-advantaged saving.
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Parental & Family Support — Family-oriented benefits are portrayed as a meaningful strength, with substantial paid parental leave and added supports like back-up care and adoption/surrogacy assistance.
Microsoft Insights
What We Do
At Microsoft, our mission is to empower every person and every organization on the planet to achieve more. Our mission is grounded in both the world in which we live and the future we strive to create. Today, we live in a mobile-first, cloud-first world, and the transformation we are driving across our businesses is designed to enable Microsoft and our customers to thrive in this world.
