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["Contact Center","Cloud Software","SaaS"]

Senior C++ Software Engineer - Global Voice | India

BengaluruOnsiteFull TimeSeniorPosted 2 months ago

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Role summary

Five9 is seeking a Senior C++ Software Engineer for its Global Voice team to develop high-performing, scalable, and resilient mission-critical services for their cloud contact center platform. The role involves working in an Agile DevOps environment, writing clean code, and deploying solutions to the public cloud. Key responsibilities include enhancing the Media Server for real-time integrations with LLMs and other AI services. The ideal candidate will have 5+ years of software development experience, including C/C++, and hands-on experience with real-time communications protocols like SIP and RTP. Strong troubleshooting skills and a sense of ownership are essential.

Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide.

Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves.

Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide.

Living our values every day results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves.

Our global voice team is looking for a committed, experienced Senior Software Engineer who is passionate about creating high-performing, scalable, and resilient mission-critical services that are the foundation of Five9’s next-generation contact center platform. You will have the opportunity to combine what you already know with new learnings, crafting a bespoke solution that serves our customers and partners.

Key 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.
  • Develop and enhance our Media Server to support real-time integrations with Large Language Models (LLMs) and other AI services.
  • Required Skills

  • 5+ years of 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 organizational skills, along with a strong 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 principles
  • AI/ML, LLMs
  • Five9 embraces diversity and is committed to building a team that represents a variety of backgrounds, perspectives, and skills.  The more inclusive we are, the better we are.  Five9 is an equal opportunity employer.

    View our privacy policy, including our privacy notice to California residents here: https://www.five9.com/pt-pt/legal.

    Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.

    Sample Five9 interview questions

    • 1

      Alien Dictionary Order Derive the alien dictionary order from a sorted list of alien words. Input: words = ["z","x","z"] Output: "" (Empty String) Explanation: The letter 'z' cannot come before 'x' and then suddenly after 'x', creating a cycle and making the dictionary invalid.

      codingmedium
    • 2

      Implement String Compression Implement string compression. Input: chars = ["a","b","b","b","b","b","b","b","b","b","b","b","b"] Output: ["a","b","1","2"] Explanation: The letter 'a' appears once (so no number is appended), and 'b' appears 12 times, modifying the array in place to length 4.

      codingmedium
    • 3

      Aggressive Cows Maximize the minimum distance between aggressive cows in stalls. Input: stalls = [0,4,3,7,10,9], cows = 3 Output: 4 Explanation: Placing the cows at positions 0, 4, and 10 yields a maximum possible minimum distance of 4 between any two cows.

      codingmedium
    • 4

      Longest Substring with Two Distinct Characters Find the longest substring with at most two distinct characters. Input: s = "ccaabbb" Output: 5 Explanation: The substring "aabbb" contains exactly two distinct characters and has a maximum length of 5.

      codingmedium
    • 5

      Split Array into Consecutive Subsequences Split an array into consecutive subsequences. Input: nums = [1,2,3,4,4,5] Output: FALSE Explanation: The numbers can form [1,2,3,4], but the remaining leftover group [4,5] is too short to form a valid sequence of length 3.

      codingmedium

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