Come join  **Microsoft Word** to work on state-of-the-art services, platforms, distributed systems, user experiences, and modern technology to deliver the next generation of productivity experiences used by hundreds of millions of users daily! We are looking for **Principal Software Engineer** who can help us further grow our products, business, and culture! At  **Microsoft** **Word Web** team in  **Microsoft Development Center Serbia (MDCS)** , our focus is driving the next phase of Word layout engine, a core aspect of how Word documents are visualized and interacted with across devices. We are looking for creative and driven software engineers with passion for web full stack development to achieve our vision of redefining the future of documents across all platforms and devices. **Principal** **Software Engineer** position provides an opportunity to be at the forefront of technology, with a supportive environment for building skills for designing commercial grade software at scale. Additionally, it is an opportunity to work with some of the best experts in the field and will provide an opportunity for long-term technical and non-technical growth and career path. 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** + Establish long term technical strategy and direction for Word Web, create and improve architecture designs for Word Web technical challenges that involve multiple teams and services + Design, produce and deliver software to improve the reliability, scalability, performance, security, efficiency, etc. of a service, including periodic on-call duties where necessary + Drive the engineering culture to strive for a scalable architecture, operational excellence, experimentation driven culture, growth mindset, and being customer obsessed + Driving innovation and changes by influencing, leading and collaborating effectively across leadership, teams and organizations + Driving features, projects, and open-ended problems towards resolution + Take initiative to identify and fix bottlenecks, proactively come up with the proposals for further improvements of the system, process and owned product + Foster a healthy and inclusive team environment, provide technical guidance to other engineers and act as mentor + Work with international teams within Microsoft **Qualifications** **Required Qualifications** + 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. + Guiding and mentoring a team of engineers. + Proficiency with TypeScript or JavaScript, and understanding of DOM and browser rendering pipeline. + Experience with modern front-end frameworks such as React or Vue. + Understanding of software engineering principles, and demonstrated excellence in developing, architecting, and driving features and experiences for large-scale services or customer-facing web applications. **Preferred Qualifications** + Extensive software development experience building commercial grade software, including experience in large scale, high availability services and experiences. + Ability to effectively work in collaborative multiple projects team environment and ship production features, having formal and non-formal leadership skills. + Strong ability in self-learning, entering new domain, managing through uncertainty in an innovative team environment. + Passion and motivation for technology, with solid problem-solving skills . + Passion for growth, doing new things, and learning from others and own mistakes. + Excellent written and verbal English communication skills. Microsoft is an equal opportunity employer. Consistent with applicable law, 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 and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations (https://careers.microsoft.com/v2/global/en/accessibility.html) .