Know ATS Score
CV/Résumé Score
  • Expertini Resume Scoring: Our Semantic Matching Algorithm evaluates your CV/Résumé before you apply for this job role: Telephony Developer SIP/RTP.
India Jobs Expertini

Urgent! Telephony Developer - SIP/RTP Job Opening In Pune – Now Hiring IMR Soft LLC

Telephony Developer SIP/RTP



Job description

<p><p>We are seeking a highly passionate and skilled Core Telephony Developer to join our team in Pune.<br/><br/>The ideal candidate will be an immediate joiner eager to build and maintain cutting-edge Real-Time Communication (RTC) systems and voice platforms.<br/><br/>You will be instrumental in ensuring the performance, quality, and security of our carrier-grade communication infrastructure.</p><br/><p><b>Key Responsibilities : </b><br/><br/>- Design and Development : Architect, develop, test, and maintain robust, scalable, and high-performance RTC systems and core voice platforms.<br/><br/>- System Ownership : Take full ownership of key layers, including SIP signaling, media handling (RTP), and session control.<br/><br/>- Optimization : Continuously monitor and optimize system performance, focusing on minimizing latency, maximizing call quality, and ensuring reliable service delivery across both cloud and on-premise deployments.<br/><br/>- Security & Reliability : Implement and enforce rigorous security measures for communication infrastructure and collaborate closely with Site Reliability Engineering (SRE) and Product teams to achieve carrier-grade reliability and availability.<br/><br/>- Collaboration : Work cross-functionally with QA, Product Managers, and other engineering teams to define requirements, troubleshoot issues, and deliver innovative communication features.<br/><br/>- Troubleshooting : Act as an escalation point for complex production issues related to telephony core components, ensuring rapid resolution.</p><br/><p><b>Required Skills (Must-Have) : </b><br/><br/>- Deep Expertise in SIP : Extensive hands-on experience with the Session Initiation Protocol (SIP), including message flow, various headers, error handling, and related protocols.<br/><br/>- FreeSWITCH Mastery : Expert-level knowledge and development experience with FreeSWITCH (or similar platforms like Asterisk), including module development, configuration, dialplan scripting, and application integration.<br/><br/>- Node.js Proficiency : Strong development skills in Node.js for building high-concurrency, event-driven back-end applications and microservices that interface with telephony core.<br/><br/>- Core Telephony Concepts : Solid understanding of telephony fundamentals, including codecs, QoS, NAT traversal, and security protocols (SRTP/TLS).<br/><br/>- Networking : Strong foundation in TCP/IP networking and common routing protocols relevant to real-time communications.</p><br/><p><b>Highly Recommended Skills : </b><br/><br/>- Kamailio/OpenSIPS : Proven experience with Kamailio (or OpenSIPS) for high-scale SIP proxying, load balancing, and routing.<br/><br/>- RTP Engine : Hands-on experience with RTP Engine (or similar media proxy/relay solutions) for efficient media handling and firewall traversal.<br/><br/>- Database : Experience with relational (e.g., PostgreSQL, MySQL) and/or NoSQL databases.</p><br/><p><b>Nice to Have : </b><br/><br/>- Additional Languages : Experience with Python and/or Go (Golang) for tooling, scripting, or service development.<br/><br/>- Cloud Infrastructure : Familiarity with deploying and managing telephony components on cloud platforms (AWS, Azure, or GCP).<br/><br/>- Containerization : Experience with Docker and Kubernetes.</p><br/><p><b>Education and Experience : </b><br/><br/>- Experience : 5 to 8 years of dedicated experience in developing and deploying core telephony or real-time communication systems.<br/><br/>- Education : Bachelors or Masters degree in Computer Science, Engineering, or a related field, or equivalent practical experience</p><br/></p> (ref:hirist.tech)


Required Skill Profession

Computer Occupations



Your Complete Job Search Toolkit

✨ Smart • Intelligent • Private • Secure

Start Using Our Tools

Join thousands of professionals who've advanced their careers with our platform

Rate or Report This Job
If you feel this job is inaccurate or spam kindly report to us using below form.
Please Note: This is NOT a job application form.


    Unlock Your Telephony Developer Potential: Insight & Career Growth Guide