Senior Software Engineer (C++)

TL;DR

Senior Software Engineer (C++): Developing and maintaining a large-scale real-time communications platform with an accent on C++ services, networking, and system reliability. Focus on implementing real-time communication flows, debugging complex concurrency issues, and evolving a high-load codebase.

Location: Primarily remote, but requires occasional visits to the Bristol or London offices

Company

A leading provider of cloud communications and collaboration technology focused on helping companies connect better.

What you will do

• Design, develop, and maintain C++ (C++17+) services.
• Implement and troubleshoot networking and real-time communication flows.
• Debug complex issues related to core dumps, concurrency, and performance.
• Collaborate with QA and product teams to define behavior and handle edge cases.
• Participate in code reviews and adhere to engineering best practices.
• Work within Agile processes using Scrum and Jira.

Requirements

• Strong proficiency in C++ (C++17 minimum) and STL.
• Solid understanding of networking fundamentals (TCP/UDP, sockets).
• Experience with multithreaded and concurrent systems.
• Strong debugging skills using gdb and core dump analysis.
• Linux development experience.
• Ability to occasionally visit offices in Bristol or London.

Nice to have

• Practical experience with VoIP/PBX systems and protocols (SIP, RTP/RTCP, SDP, WebRTC).
• Experience with Boost (especially Boost.Asio) and FreeSWITCH.
• Knowledge of Kubernetes and containerized environments.
• Proficiency with network analysis tools such as Wireshark and tcpdump.
• Scripting skills in Python and experience with AI-assisted development tools.

Culture & Benefits

• Culture built on teamwork, transparency, and mutual accountability.
• Fast-paced work environment with a high degree of impact.
• Strong internal promotion track and long-term employee retention.
• Flexible work arrangement (primarily remote).

Hiring process

• Application review.
• Interview stage.
• Hiring decision.