Senior Software Engineer

Intelligent Conversation and Communications Cloud (IC3) powers billions of real-time customer conversations across Microsoft’s first-party and second-party solutions. IC3 provides reliable and high-quality audio/video calling, meeting, and messaging services that function seamlessly from anywhere, ensuring consistent performance across all customer touchpoints. The mission of IC3 is to enhance real-time conversations on M365 platforms, empowering best-in-class productivity tools for the modern workplace. Every call, meeting, or chat contributes to making the next one even better.

Microsoft Development Center Tallinn offers an enthusiastic and fast-paced work environment where your contributions can impact millions of users globally. The center values open-mindedness, diversity, and flexibility in work hours. Employees enjoy the work environment, state-of-the-art benefits, and access to the latest hardware and software. Additional perks include subsidized food and beverages, public transport, gym, phone, and broadband. Sports and gaming groups are available to support staff well-being. The center places emphasis on personal and professional development within MDCE and beyond.

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

As a member of the Engineering Systems team, the Software Engineer will help build products capable of supporting hundreds of millions of users. Microsoft’s first- and second-party Engineering group leverages advanced technologies to deliver communication services-including voice, video, chat, and presence-to the web, enabling radically new applications. The Software Engineer will be responsible for designing and building internal tools that enable a highly automated and robust Engineering Pipeline.

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

• Own and drive design, implementation, and evolution of large-scale engineering systems and services and tools that support build, test, and release pipelines at scale.

• Lead end-to-end feature crews or major platform initiatives, from problem framing and design through production deployment and live-site ownership.

• Make architecture and design decisions that balance developer productivity, reliability, scalability, security, and long-term maintainability.

• Act as a technical authority in your focus areas (e.g., CI execution, test reliability, release gating, platform observability).

• Drive cross-team alignment by collaborating with partner product teams, infrastructure teams, and program managers to clarify ownership boundaries and platform contracts.

• Raise the engineering bar through design reviews, code reviews, operational rigor, and good practice guidance across the organization.

• Diagnose and resolve complex, ambiguous production issues spanning multiple services and layers of the stack.

• Mentor and grow other engineers by leading by example, sharing knowledge, and shaping team engineering culture.

• The team follows DevOps practices and develops on both Microsoft and non-Microsoft technologies to support a wide range of development activities. This approach allows the use of cutting-edge technologies to better serve customers.

Qualifications

Required Qualifications:

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

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.

Preferred Qualifications:

• Master's Degree in Computer Science or related technical field AND solid technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
  • OR 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.
• Solid professional software engineering experience, including ownership of production systems.
• Solid experience designing and building distributed systems or cloud-based services.
• Experience with CI/CD systems, developer productivity platforms, or large-scale test infrastructure.
• Familiarity with cloud platforms (Azure preferred) and operating services in production (monitoring, alerting, incident response).
• Solid background in debugging complex distributed systems and improving reliability and performance.
• Experience shaping or enforcing engineering standards, quality gates, or platform contracts.
• Demonstrated passion for mentorship, engineering excellence, and continuous improvement.

Software Engineering IC4 - The typical base pay range for this role across Estonia is € 52,000.00 - € 89,600.00 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

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.