Job Title : Backend Developer (Telephony Engineer – Vonage)
Experience : 5+ Years
Job Summary
We are seeking an experienced Telephony Engineer with strong expertise in Vonage telephony systems to design, implement, and support enterprise-grade communication solutions. The ideal candidate will have hands-on experience managing cloud-based telephony platforms, excellent communication skills, and the ability to work independently in a fast-paced environment.
Key Responsibilities
- Design, develop, configure and support highly scalable and reliable communications solution using Vonage Communications APIs.
- Integrating voice, messaging (SMS / MMS) services into existing platforms.
- Develop and maintain robust backend services and APIs, ensuring high availability and resilience of communication systems
- Troubleshooting integration issues and ensuring secure and reliable communication services.
- Collaborate with internal teams and stakeholders to gather requirements and deliver effective marketing solutions.
- Perform system monitoring, upgrades, patches, and regular health checks to ensure high availability.
- Provide L2 / L3 support for telephony-related incidents and service requests.
- Document system configurations, processes, and troubleshooting guides.
- Ensure compliance with security, performance, and reliability standards.
- Coordinate with vendors and service providers for issue resolution and enhancements.
Required Skills & Qualifications
5+ years of experience as a Telephony Engineer or in a similar role.Strong hands-on experience with Vonage telephony systems (Vonage Business, Vonage Communications APIs, or Contact Center solutions).Proficiency in one or more backend programming languages such as Java, C# or Python.Strong understanding of RESTful API design and development, webhooks and asynchronous processing.Solid understanding of VoIP technologies, SIP, RTP, PBX, and call routing concepts.Experience with cloud-based telephony and unified communication platforms.Excellent verbal and written communication skills.Proven ability to work independently with minimal supervision.Strong analytical and troubleshooting skills.Preferred / Nice-to-Have Skills
Experience with CRM or third-party system integrations using Vonage / Twilio APIs.Experience designing and developing microservices using Java 17+ and Spring Boot 3.xExposure to contact center solutions and call analytics / reporting.Knowledge of ITIL processes and incident management.Relevant certifications in VoIP or unified communications.