Technical Lead (C++ / Networking / Telephony Systems)

About Intermedia:

Intermedia has established itself as a leading provider of cloud communications and collaboration tech that allows companies to connect better. We have a strong track record of growth, profitability, and creating an environment where everyone matters. Everyone. While we are fast-paced and admittedly a bit intense, we promise that you won’t be bored. You will find Intermedia is a place where you can indulge your passion for creating and supporting great cloud technology. What’s more, we always look to promote from within and have many employees who have been with us 10, 15, and 20+ years!

Are you looking for a company where YOUR VOICE is heard? Where you can MAKE A DIFFERENCE? Do you THRIVE in a FAST-PACED work environment? Do you wake every morning EXCITED to work with GREAT PEOPLE and create SUCCESS TOGETHER? Then Intermedia is the place for you.

Culture at Intermedia is built on teamwork and transparency. We hold each other accountable and always have each other’s back!

Are you ready to make your mark?

About the Role:

While primarily remote, this role requires occasional visits to the Bristol office or London.

This is a hands-on technical leader responsible for delivery, code quality, and technical direction of a small team (~5 engineers). Requires strong C++ expertise and the ability to guide engineers working on complex VoIP and PBX systems.

What you will be doing:

• Lead Scrum activities: sprint planning, task breakdown, tracking
• Assign work and provide day-to-day technical guidance
• Own and enforce code review standards
• Write and refine user stories; improve team’s story quality
• Translate product requirements into engineering tasks
• Ensure maintainability and consistency of the codebase
• Act as escalation point for complex technical issues

What you will bring to the role:

• Strong C++ (C++17 minimum), hands-on coding
• Strong networking fundamentals (TCP/UDP)
• Experience leading or mentoring engineers
• Experience with multithreaded systems and debugging
• Ability to work effectively in large, complex codebases
• Ability to contribute to solution design and make pragmatic trade-offs
• Agile/Scrum experience with Jira/Atlassian tools
• Ability to break down ambiguous requirements into deliverable work

Desirable

• Practical experience in VoIP or PBX systems
• VoIP protocols (SIP, RTP, etc.)
• Telephony/PBX systems: call routing, hunt groups, call park/pickup, feature interaction and state handling
• Boost (especially Boost.Asio)
• GitHub (PR workflows, reviews)
• AI-assisted development tools for coding, investigation, and code review
• Kubernetes / containerised environments
• FreeSWITCH
• Real-time / low-latency systems experience
• Performance tuning and system profiling

Diversity, Inclusion, and Equal Opportunity

We hire, promote, and compensate employees based on their ability to perform their job responsibilities, without regard to race, color, creed, religion, sex, gender, marital status, national origin, ancestry, age, citizenship, physical or mental disability, sexual orientation, or any other basis protected by applicable law (collectively referred to in our Code of Conduct as “Protected Classes”). We do not tolerate employment discrimination in the workplace, and we are committed to making reasonable accommodations for identified disabilities or other limitations as required by all applicable laws. We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.