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Home / Senior Software Engineer – Real-Time Communications Platform

Senior Software Engineer – Real-Time Communications Platform

  • Full Time
  • Anywhere

Intermedia Intelligent Communications

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 MAKEADIFFERENCE? Do you THRIVE in a FAST-PACED work environment? Do you wake every morning EXCITED to work with GREATPEOPLE and create SUCCESSTOGETHER? 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 office in Coimbra. We plan to open offices in Aveiro and Porto in the future. This approach gives team members the flexibility to work remotely while also coming together in the office for collaboration and teamwork.
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.

Originally posted on Himalayas

To apply for this job please visit himalayas.app.

Working in Portugal

Portugal, officially the Portuguese Republic, is a country in Southwestern Europe. It is a unitary republic comprising mainland Portugal, located on the southwestern of the Iberian Peninsula and bordered by Spain to the north and east, and the archipelagos of Madeira and the Azores in the Atlantic Ocean. The country has a population of over 10.7 million, and Lisbon, its capital, is the largest city. Portugal's internal waters and territorial sea together account for two-fifths of its territory, and its exclusive economic zone is one of Europe's largest, while its terrain contains a diverse ran

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