About Trantor:

Trantor is a technology services company focused on outsourced product development and digital re-engineering. Leveraging our CaptiveCoE™ engagement model, we operate as a seamless extension of our client’s teams to provide rapid scalability with predictable budgets. Founded in 2012, Trantor has worked with customers across Tech, FinTech, Media & Cybersecurity industries. We have centers in the US, India, Canada, and Costa Rica. We are consistently rated as the #1 employer in the region with the ability to attract and retain technical talent. Our commitment to excellence and impactful results has translated to long-term relationships and value for our clients and solution partners.       

Job Overview

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.x
Exposure to contact center solutions and call analytics/reporting.
Knowledge of ITIL processes and incident management.
Relevant certifications in VoIP or unified communications.