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Senior VoIP Application Engineer

Job in Scottsdale, Maricopa County, Arizona, 85261, USA
Listing for: Nextiva
Full Time position
Listed on 2026-03-01
Job specializations:
  • IT/Tech
    Technical Support
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below

Redefine the future of customer experiences. One conversation at a time. At Nextiva, we’re reimagining how businesses connect, bringing together customer experience and team collaboration on a single, conversation centric platform. Powered by AI, driven by human innovation.

Our culture is forward thinking, customer obsessed and built on the belief that meaningful connections drive better business outcomes. Whether it’s through our signature Amazing Service®, the technology we create, or the experiences we cultivate, connection is at the core of who we are.

If you’re ready to collaborate with incredible people, make an impact, and help businesses everywhere deliver truly amazing experiences, this is where you belong.

Build Amazing. Deliver Amazing. Live Amazing. Be Amazing.

We are looking for a highly skilled VOIP Application Engineer to join our team. In this role, you will be responsible for the design, implementation, and maintenance of VOIP (Voice over IP) applications, ensuring their reliability, performance, and scalability. You will work closely with engineering, operations, and product teams to ensure seamless integration of VOIP services and contribute to the development of new voice-related features and products.

The ideal candidate will have hands-on experience with VOIP technologies, application troubleshooting, and integration in cloud-based or on-premise environments. A strong understanding of VOIP protocols (SIP, RTP, WebRTC), telephony systems, and the ability to develop and support VOIP applications will be crucial to success in this role.

Key Responsibilities
  • VOIP Application Design & Development:
    Develop and maintain high-quality VOIP applications that meet customer needs, focusing on reliability, performance, and scalability.
  • Troubleshooting & Issue Resolution:
    Provide support for complex VOIP issues, including system failures, call quality problems, and application errors. Work to quickly diagnose and resolve issues.
  • Collaboration with Teams:
    Work closely with cross-functional teams, including engineering, product management, and operations, to ensure seamless deployment and operation of VOIP applications.
  • Testing & Quality Assurance:
    Test new VOIP features, products, and services, ensuring they meet quality standards before deployment.
  • Documentation:
    Create and maintain technical documentation for VOIP applications, including system architecture, troubleshooting guides, and integration processes.
  • Optimization:
    Continuously monitor and optimize VOIP applications to improve performance, scalability, and user experience.
  • Security & Compliance:
    Ensure VOIP applications meet security standards and compliance requirements.
  • Customer Support:
    Assist internal and external teams with troubleshooting, providing solutions, and offering expert guidance on VOIP-related issues.
  • Innovation:
    Stay current with emerging VOIP technologies and trends, contributing to the development of new features and improvements to existing applications.
Qualifications
  • Experience:

    At least 5 years of experience in VOIP application engineering, including hands-on experience with VOIP technologies such as SIP, RTP, WebRTC, and telephony systems.
  • Expertise in Java and Spring Boot.
  • Deep knowledge of SIP and WebRTC protocols.
  • Experience with Kafka
  • Proficiency in SQL and No

    SQL databases (Mongo

    DB, Redis etc.).
  • Cloud experience (GCP preferred; AWS or Azure acceptable) and Kubernetes.
  • Problem Solving:
    Strong troubleshooting and problem-solving skills with the ability to diagnose and resolve VOIP-related issues quickly.
  • Communication

    Skills:

    Excellent written and verbal communication skills, with the ability to explain complex technical concepts to both technical and non-technical audiences.
  • Team

    Collaboration:

    Proven ability to work well within a cross-functional team environment and collaborate effectively with engineers, product teams, and other stakeholders.
  • Analytical Mindset:
    Strong analytical skills and attention to detail, with the ability to assess complex technical challenges and provide practical solutions.
  • Customer Focused:
    Ability to understand customer requirements and translate them into reliable, high-quality VOIP…
Position Requirements
10+ Years work experience
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