Nextiva · 16 hours ago
Senior VoIP Application Engineer
United States
Full-time
Remote
Mid, Senior Level
$100K/yr - $185K/yr
5+ years expNextiva is a global leader in customer experience and team collaboration, seeking a highly skilled VoIP Application Engineer to join their team. The role involves designing, implementing, and maintaining VoIP applications, ensuring reliability and performance while collaborating with various teams to integrate VoIP services and develop new features.
Customer ServiceCloud ComputingEnterprise SoftwareSaaSSoftwareCall Center
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
Qualification
Required
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 NoSQL databases (MongoDB, Redis etc.)
Cloud experience (GCP preferred; AWS or Azure acceptable) and Kubernetes
Strong troubleshooting and problem-solving skills with the ability to diagnose and resolve VOIP-related issues quickly
Excellent written and verbal communication skills, with the ability to explain complex technical concepts to both technical and non-technical audiences
Proven ability to work well within a cross-functional team environment and collaborate effectively with engineers, product teams, and other stakeholders
Strong analytical skills and attention to detail, with the ability to assess complex technical challenges and provide practical solutions
Ability to understand customer requirements and translate them into reliable, high-quality VOIP applications
Preferred
Front-end knowledge (React, TypeScript, JavaScript)
FreeSWITCH implementation experience
Familiarity with SIP trunks, media gateways, and IVR systems
Knowledge of networking protocols (TCP/IP, DNS, HTTP/S) and voice quality metrics (MOS, jitter, latency)
Benefits
Multiple health plan options to suit your needs, including medical, dental, vision, and telemedicine coverage
Life, disability, and supplemental indemnity plans
Flexible Time Off (FTO) for salaried employees, PTO for hourly employees, Paid Sick Time (PST), paid parental bonding leave, and paid holidays
401(k) with company match, Health Savings Accounts with company contributions, Dependent Care FSA
Employee Assistance Program and comprehensive wellness initiatives
Access to ongoing learning and development opportunities and career advancement
Company
Nextiva
Nextiva is a leading unified customer experience management company that helps businesses simplify and enhance their customer relationships.
1001-5000 employees
H1B Sponsorship
Nextiva has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (11)
2024 (14)
2023 (25)
2022 (23)
2021 (6)
2020 (3)
Funding
Current Stage
Late StageTotal Funding
$200MKey Investors
Goldman Sachs Asset Management
2021-09-14Private Equity· $200M
Leadership Team
Tracy Conrad
Co-Founder and Chief Amazing Officer
A
Anne Brennan
Chief Financial Officer
Recent News
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2025-10-21
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2025-10-15
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