Senior C++Networking Subject Matter Expert

Design and develop high-performance C++ networking libraries in collaboration with the global team.

Help define the technical direction for reusable communication and networking capabilities across the C++ estate.

Identify, experiment with and evaluate technologies that could form the basis of next-generation firmwide systems.

Work with infrastructure, networking and security teams on platform integration and hardening topics.

Identify technology gaps and propose practical solutions, with a focus on developer productivity, performance and resilience.

Collaborate with application teams on requirements, adoption and integration.

Work with internal clients to improve application performance and reliability.

Maintain and enhance existing C++ libraries and platform components.

Promote best practices within the team and across the wider C++ community.

Support other engineers through technical coaching, design review and knowledge sharing.

Requirements

Strong academic record with Bachelor's level or above in a computational field like Computer Science, Mathematics, Electrical Engineering, or a related discipline.

10+ years of software development experience.

Expert modern C++ development experience.

Strong understanding of distributed systems and low-latency system design.

Strong networking knowledge, including: - TCP/IP - HTTP / HTTPS - TLS / mTLS.

Connection management, load balancing.

Service discovery.

Network resilience patterns.

Strong Linux systems knowledge.

Experience designing reusable libraries, frameworks or platform components.

Strong debugging, profiling and performance analysis skills.

Ability to work with application, infrastructure and platform teams across multiple areas.

Clear written and verbal communication.

Hungarian citizenship and fluent Hungarian/English language skills is a must.

Desirable Skills

Modern C++ standards such as C++17, C++20 or C++23.

Experience with low-latency or high-throughput networking systems.

Python or other scripting languages.

Build systems, toolchains and packaging infrastructure.

Containers and Kubernetes.

Authentication and authorization technologies.

Cloud-native or hybrid infrastructure experience.

Experience in software, telecommunications or other technically demanding engineering environments.

Benefits

You will have the opportunity to gain experience in exciting, long-term, innovative projects

Home office option (40% / week)

Work in a multinational environment

A team of great engineers