Principal Software Engineer

***Must be living in Hungary***

The Principal Software Engineer serves as a technical expert and thought leader within the organization, driving the development of advanced software solutions and complex systems architecture. The purpose of this role is to lead the design and implementation of high-impact projects, guide technical decision-making, and influence the long-term strategy of the engineering organization. This role also involves providing mentorship and technical guidance to other engineers, contributing to the advancement of engineering standards, and ensuring the scalability, reliability, and performance of software systems.

We seek a Principal Software Engineer with deep expertise in enterprise telephony, VoIP, and real-time media processing, plus hands-on experience designing cloud-native media services.

This role spans two domains:

• Enterprise and PBX-based telephony systems (Cisco UCM, Skype for Business)
• A scalable cloud platform built around a new RTP Processor microservice for real-time media ingestion, processing, and distribution

You will evolve architecture and ensure both native high-performance components and cloud services meet strict requirements for latency, reliability, scalability, and media fidelity.