Senior Software Engineer - Real-Time Communications Platform

UK (Hybrid)

Salary Not AvailableFull time

Posted 2 months ago

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Job Description

Senior Software Engineer - Real-Time Communications Platform

Department: Development & Engineering

Employment Type: Full Time

Location: United Kingdom

Reporting To: Magdalena Popovic

Description

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.
We are looking for a Senior Engineer working on a large-scale real-time communications platform. Focus on C++ services, networking, and system reliability. Practical experience in VoIP or PBX systems is desirable.

What you will be doing:

Design, develop, and maintain C++ (C++17+) services
Implement and troubleshoot networking and real-time communication flows
Debug complex issues (core dumps, concurrency, performance)
Work within and evolve a large, existing codebase
Collaborate with QA and product on behaviour and edge cases
Participate in code reviews and engineering best practices
Contribute within Agile processes (Scrum, Jira)

What you will bring to the role:

Strong C++ (C++17 minimum), STL
Solid networking fundamentals (TCP/UDP, sockets)
Experience with multithreaded/concurrent systems
Strong debugging skills (gdb, core dumps)
Linux development experience
Ability to understand and maintain complex, legacy systems
Experience with Agile and Jira/Atlassian tools

Bonus Skills

Practical experience in VoIP or PBX systems
VoIP protocols: SIP, RTP/RTCP, SDP, WebRTC
Telephony/PBX systems: call routing, hunt groups, call park/pickup, feature interaction and state handling
Boost (especially Boost.Asio)
GitHub (PR workflows, code reviews)
AI-assisted development tools (coding, debugging, analysis)
Kubernetes / containerised environments
FreeSWITCH
Network analysis tools (Wireshark, tcpdump)
Performance profiling and optimisation
Scripting or Python

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.

Intermedia Intelligent Communications

Intermedia is the cloud communications company that helps over 150,000 businesses connect better, from wherever, through our AI-powered platform that includes voice, video conferencing, chat, SMS, contact center, business email and productivity, file sharing and backup, security, archiving, and more. We strive to eliminate the need for multiple communications service providers with a seamlessly integrated portfolio of intelligent communications and collaboration solutions, including our flagship product, Intermedia Unite®, all delivered through one highly reliable and secure platform. With month-to-month contract options, one monthly bill, one intuitive point of administrative control, and certified by J.D. Power for excellence in technical support eight times, Intermedia is committed to providing enterprise-grade products to businesses of all sizes through a simple, Worry-Free Experience.As a partner-first company, Intermedia goes to work for over 7,500 channel partners by providing a comprehensive set of programs, resources, and support to help them grow their revenue and maximize their success. Programs include our Customer Ownership Reseller (CORETM) model – which enables partners to resell, package, and manage Intermedia's solutions as if they were their own, while benefiting from highly attractive economic terms and maintaining ownership of their customer relationships – as well as agent models. Recent Awards:•J.D. Power Certified Assisted Technical Support Program – 2024, 2023, 2021, 2020, 2019, 2018, 2017, 2016•PCMag Editor’s Choice – Intermedia Unite•US News & World Report - Best Business Phone System - Intermedia Unite•CRN - 5-Star Partner Program - 2025, 2024, 2023, 2022•CRN’s Cloud Computing Product of the Year - 2024, 2023, 2022, 2021 – Intermedia Unite

Founded in 1993

Sunnyvale, California, USA

1.3K employees