- Good understanding of TCP/IP protocol stack and practical knowledge of LAN / WAN
- Very good knowledge on SIP / SDP protocol / RTP / SRTP / TLS protocols
- Must have experience with Freeswitch
- Experience with Voice agents, Gen AI, LLMs, RAG and agentic architecture
- Experience in MySQL, MongoDB
- Standard features of Enterprise Communication Servers (PBXs)
- Problem Troubleshooting and debugging techniques
- Review work of resources
- Good in Written and verbal communication
Nice to Have
- Inter-process communication, API design, message queues
- Experience in OpenSIPS or Kamailio
- Experience in building any of softPBX, Voicemail, ACD, IVRS these applications
- Experience in any of the programming languages like Python, PHP, Javascript, Java
- Knowledge of Linux / server administration
- Experience in Linux and Linux commands line tools
- Knowledge of WebRTC
- Firewall, Security
- Tools cmake, git
Skills Required
- Good understanding of the TCP/IP protocol stack and practical knowledge of LAN/WAN networking
- Very good knowledge of SIP, SDP, RTP, SRTP, and TLS protocols
- Experience with FreeSWITCH
- Experience with voice agents, generative AI, LLMs, RAG, and agentic architecture
- Experience with MySQL and MongoDB
- Knowledge of standard enterprise communication server and PBX features
- Problem troubleshooting and debugging skills
- Ability to review the work of other resources
- Good written and verbal communication skills
- Experience with inter-process communication, API design, or message queues
- Experience with OpenSIPS or Kamailio
- Experience building softPBX, voicemail, ACD, or IVRS applications
- Programming experience in Python, PHP, JavaScript, or Java
- Knowledge of Linux or server administration
- Experience using Linux command-line tools
- Knowledge of WebRTC
- Knowledge of firewalls and security
- Experience with CMake and Git
What We Do
Your preferred partner for custom software development and technology outsourcing. Ecosmob Technologies Pvt. Ltd. is a world-renowned provider of carrier-grade software solutions and services. We strive to deliver innovative and client-centric solutions. We help our clients modernize their networks to improve competitive positioning and business outcomes. With our team of experts, cutting-edge technologies, and transparent processes, we focus on providing excellence while ensuring outstanding customer service. Ecosmob's core expertise lies in VoIP solutions, DevOps, web applications, mobile applications, and outsourced developer staffing services. Ecosmob's highly skilled team of developers has a consistent track record of delivering customized solutions within specified deadlines. Our market-leading expertise and solutions power many of the world's tier-one service providers and independent software vendors. Our solutions are deployed in the telecom, IT, healthcare, education, real estate, hospitality, banking & finance, advertising & entertainment industries across the globe
