Senior C++ Software Engineer - Global Voice

Five9
Full-time Porto, Porto District Computer Occupations
Posted:
March 03, 2026
Location:
Porto, Porto District, Portugal

Job Description

Responsibilities:

  • Participate in an Agile scrum team which practices DevOps.

  • Write clean and well-documented code and tests.

  • Deliver your code as part of an overall solution running in the public cloud.
  • Required Skills:

  • 5+ years professional experience in software development, with some being written in C and/or C++.

  • Hands-on experience writing software for real-time communications signaling and media protocols (SIP, RTP, etc.).

  • Ability to methodically troubleshoot complex systems.

  • Excellent communication and organization skills, and a sense of ownership.
  •  Technical Skills:

  • Modern C++ (C++17+), RTP/SIP, audio codecs, SIP/SDP, ASR/TTS integration, AI APIs, cloud platforms (AWS/Azure/GCP), CI/CD, containers, SRE principlesb
  • Benefits:

  • Five9 Shares

  • Bonus Scheme

  • 10% Flexi Benefit

  • Meal Allowance

  • Medical I...
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    Job Overview

    Job Type: Full-time
    Location: Porto, Portugal
    Posted: March 03, 2026
    Deadline: April 12, 2026