Senior Software Engineer

Microsoft Development Center Estonia, with offices in Tallinn and Tartu, is building the Intelligent Conversations & Communications Cloud (IC3) that powers communication services for millions of Microsoft customers worldwide. The IC3 Media Delivery Network Relay team develops and operates a global highly available fleet of TURN relays for core communication products. The role involves working on critical services that directly impact millions of users daily.

As a Senior Software Engineer, you'll be responsible for developing and maintaining backend services and infrastructure, focusing on high-availability and performance-critical systems. The position requires strong C++ programming skills, experience with networking protocols, and system-level software development. You'll work on the IC3 platform, one of the largest Azure deployments worldwide, building communication services that power products like Skype, Microsoft Teams, Xbox, and Windows.

The role offers the opportunity to work on large-scale applications spanning real-time communications, engineering systems, commerce, payments, anti-fraud, and SMS. You'll be part of a team that ensures strict quality, latency, compliance, and security requirements while optimizing costs. The position includes on-call responsibilities and requires collaboration with teams across Microsoft globally.

This is an excellent opportunity for experienced engineers passionate about building robust, scalable systems and who want to impact millions of users through Microsoft's communication infrastructure. The role offers comprehensive benefits, a collaborative work environment, and the chance to work on cutting-edge technology at scale.