Senior C++ Network Engineer

Founded in 1999 in Vienna, the Qualysoft Group is a manufacturer-independent IT consulting and services company, which successfully provides support for its international customers with the aim of boosting their competitiveness and economic efficiency through innovative IT solutions. Its focus is on financial services providers, telecommunications companies, the automotive industry and energy service providers. Over 400 employees in 6 subsidiaries work together to ensure state of the art solutions for our clients. We are looking for new colleagues in Qualysoft teams for diverse projects providing continuous learning opportunities. Our common goal is to provide honesty, development and a stable background while getting to know the latest technologies. We are waiting for your application for the position below! Our client is seeking a highly experienced Senior C++ Networking Subject Matter Expert to join a global engineering team responsible for building and evolving next-generation high-performance networking and communication infrastructure. This role focuses on modern C++ development, low-latency networking, distributed systems, and reusable platform capabilities used across large-scale enterprise environments. The successful candidate will contribute to the design and development of core networking libraries, help shape technical strategy, and collaborate closely with infrastructure, security, and application engineering teams. This is an excellent opportunity for an engineer who enjoys working deep within the technology stack, solving complex performance and scalability challenges, and influencing engineering direction through hands-on technical leadership.