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Senior Software Engineer

Microsoft

Microsoft

Software Engineering
Posted on Aug 16, 2025

Senior Software Engineer

Tallinn, Harjumaa, Estonia

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Date posted
Aug 15, 2025
Job number
1850595
Work site
Up to 100% work from home
Travel
0-25 %
Role type
Individual Contributor
Profession
Software Engineering
Discipline
Software Engineering
Employment type
Full-Time

Overview

Intelligent Conversation and Communications Cloud (IC3) powers billions of real-time customer conversations across Microsoft’s first party (Teams, Skype, Azure Communication Servies), and second party (Dynamics) solutions. IC3 enables reliable and high-quality audio/video calling, meeting, and messaging services that work every time from anywhere seamlessly across all customer touchpoints. IC3’s mission is to make conversations on M365 platforms more intelligent in real-time empowering best-in-class productivity tools for the modern workplace where every call, meeting or chat will make the next one better.

Microsoft Development Center Tallinn offers an enthusiastic, high paced work environment where you can impact millions of users around the world. We are open minded, diverse and work flexible hours. You can look forward to an attractive work environment, state of the art benefits and the latest hardware and software in daily use. We subsidize food and beverages, public transport, gym, phone, broadband. Sports and gaming groups focus on your wellbeing. We are also focusing on your personal and professional development within MDCE and beyond.

You, as a Senior Software Engineer, will design and build our internal tools that enable a highly automated and robust Engineering Pipeline.

As a member of the ESS (Engineering Systems and Services), the Software Engineer helps build products capable of supporting hundreds of millions of users. Teams, Skype and Skype for Business growing Engineering group leverages technologies to deliver communication services - including voice, video, chat and presence - to the web and enable radically new Skype and Teams applications.


Microsoft is an equal opportunity employer and supports workforce diversity. All applications for vacant positions will be welcomed and will be considered on the relative merits of the applicant against the role profile for the position regardless of color, race, nationality, ethnic origin, sex, gender, sexual orientation, marital status, disability, parental responsibilities, age, religion, or belief.

Qualifications

Required Qualifications:

  • Bachelor's Degree in Computer Science or related technical field AND Senior technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
    • Or equivalent experience.
  • Experience in building and testing environments using tools such as: ADO, VSTS, TFS, QuickBuild, Jenkins, Bamboo, BuildForge.
  • Experience in building native code for cross-platform.

Preferred Qualifications:

  • B.Sc. degree in software engineering, computer science, electrical engineering or equivalent practical experience.
  • Good working knowledge of Source Control systems and usage patterns, preferably Git.
  • Familiar with continuous integration and deployment systems.
  • Familiar with cloud services such as Azure. or experience with Infrastructure as a Service.
  • Experience working in a cross-timezone, cross-cultural environment.
  • Experience with Agile and iterative development processes.
  • Very good written and spoken English.

Other Requirements:


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.

Responsibilities

  • Design. Build, Deploy and Support maintainable software using a variety of languages including: Python, C#, JavaScript
  • Support Skype and Teams Engineering System needs. This includes expertise in the end-use and backend configuration of these tools.
  • Engineering Systems and process expertise to support development, test, and release teams across Skype, Teams and Skype for Business.
  • Work closely with geographically distributed team, including Program Managers and developers, to drive key improvements in Skype, Teams and Skype for Business Engineering Systems.
  • Provide expert guidance, hands-on assistance, best practices, and trainings related to Skype, Teams and Skype for Business Engineering System to Engineers. This is not an IT support role.
  • Design, build and maintain core infrastructure pieces.
  • Debug infrastructure issues across services and levels of the stack.

Benefits/perks listed below may vary depending on the nature of your employment with Microsoft and the country where you work.
Industry leading healthcare
Educational resources
Discounts on products and services
Savings and investments
Maternity and paternity leave
Generous time away
Giving programs
Opportunities to network and connect

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 and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.