11 Freeswitch Jobs

YES SECURITIES is looking for Network In-Charge to join our dynamic team and embark on a rewarding career journey. Network Infrastructure Management : Design, implement, and maintain the organization's network infrastructure, including local area networks (LANs), wide area networks (WANs), wireless networks, and network hardware (routers, switches, firewalls, etc. ). Network Security : Develop and implement security measures to safeguard the organization's network from unauthorized access, data breaches, and cyber threats. This includes setting up firewalls, intrusion detection/prevention systems, and encryption protocols. Network Monitoring and Troubleshooting : Continuously monitor the network for performance issues, downtime, and anomalies. Identify and resolve network-related problems promptly to minimize disruptions. Capacity Planning : Analyze network traffic patterns and usage to forecast future network capacity needs. Scale the network infrastructure as necessary to accommodate growth. Vendor Management : Collaborate with vendors and service providers to ensure the organization has access to reliable and cost-effective network services, hardware, and software solutions. Network Policies and Procedures : Develop and enforce network-related policies, procedures, and best practices to ensure consistency, compliance, and efficient network usage. Team Leadership : Lead and manage a team of network administrators and technicians. Assign tasks, provide guidance, and facilitate professional development. Network Documentation : Maintain accurate and up-to-date documentation of the network architecture, configurations, diagrams, and procedures. Disaster Recovery and Business Continuity : Develop and implement plans to ensure network availability during unforeseen events or disasters. Regularly test and update these plans to minimize downtime. Collaboration : Work closely with other IT teams, such as systems administrators, cybersecurity professionals, and application developers, to ensure seamless integration of network services with other IT components.

As an AI Voice LLM Integration Developer, you will play a pivotal role in building and optimizing Your work will focus on: Integrating GPT's ASR (speech-to-text) and TTS (text-to-speech) APIs into our platform. Handling real-time voice streaming from VoIP/SIP systems. Optimizing low-latency communication between AI models and telephony platforms (e.g., FreeSWITCH, WebRTC). Supporting PBX call routing handoWs with AI agents. Ensuring high-quality, natural-sounding AI-driven voice interactions. Key Responsibilities Design and develop real-time voice processing pipelines for AI-driven conversations. Integrate OpenAI's Whisper (ASR) and TTS APIs with VoIP and WebRTC systems. Develop low-latency audio streaming middleware between telephony providers(Telnyx, Bandwidth) and GPT. Work with SIP and WebRTC to ensure seamless audio transmission. Implement PBX call routing and AI handoW mechanisms (e.g., transferring AI-handled calls to human agents). Optimize AI voice latency and response times for a real-time, natural experience. Collaborate with VoIP engineers to integrate AI capabilities into SIP-based systems. Design APIs to manage AI-driven IVR workflows and customer interactions. Ensure compliance with telephony regulations (e.g., STIR/SHAKEN, call recording laws). Monitor system performance and implement scalability strategies for voice interactions. Required Qualifications AI LLM Integration o Experience integrating GPT APIs (ChatGPT, Whisper, TTS engines) for voice applications. o Understanding of real-time AI voice processing and conversational AI workflows. Voice Audio Streaming o Experience working with low-latency, real-time audio streaming. o Familiarity with WebRTC, SIP/RTP, and VoIP streaming. Programming Middleware Development o Proficiency in Python, Node.js, or Go for API and middleware development. o Experience developing RESTful APIs and real-time streaming solutions. VoIP Telephony Knowledge o Familiarity with SIP, FreeSWITCH, Asterisk, or other PBX platforms. o Experience working with SIP trunking providers (Telnyx, Bandwidth, Flowroute, etc.). Performance Optimization o Ability to reduce latency in AI-driven conversations. o Experience with audio codec optimization (G.711, Opus, etc.). One or more of the following additional qualifications: o Experience with STT/ASR models beyond GPT (Google Speech-to- Text, Deepgram, Kaldi). o Background in signal processing or audio engineering. o Familiarity with cloud-based voice solutions (AWS Connect, Twilio Voice, Dialogflow CX). o Knowledge of containerization (Docker, Kubernetes) for scaling AI voice workloads. o Experience with multi-tenant architectures for voice AI.

Job Summary: We are looking for a Kamailio & FreeSWITCH Engineer with expertise in VoIP protocols, Linux administration, web servers, and MySQL databases to maintain and optimize our telecommunications infrastructure. Key Responsibilities: Kamailio SIP Server Management Configure, maintain, and troubleshoot SIP routing. FreeSWITCH Administration – Install, optimize, and debug VoIP functionalities. Linux OS & Web Server – Manage Ubuntu/CentOS , NGINX, and Apache for high performance. Database Management – Optimize MySQL databases for scalability. Collaboration & Support – Work with teams to deploy features and troubleshoot issues. Required Skills: Proven experience with Kamailio & FreeSWITCH Strong knowledge of Linux OS & VoIP protocols (SIP, RTP) Expertise in NGINX, Apache, and MySQL Hands-on experience with scripting (Shell, Python) Problem-solving mindset & ability to work in a fast-paced environment Preferred Qualifications: Familiarity with AWS/Azure cloud platforms Knowledge of virtualization tools (VMware, Proxmox) Experience in high-availability and load-balancing configurations Location: Hyderabad Employment Type: Full-Time Experience: Minimum 1 year

We are looking for an experienced Asterisk and FreeSWITCH Developer to design, develop, and maintain robust VoIP communication systems. You will be instrumental in creating scalable PBX systems, call center solutions, and custom telephony applications using open-source VoIP platforms. Key Responsibilities: Design, implement, and maintain VoIP solutions using Asterisk and FreeSWITCH . Develop and manage PBX systems , IVRs, and SIP-based telephony features. Integrate VoIP systems with CRM, databases, and third-party APIs. Monitor and troubleshoot VoIP network performance, ensuring high availability and quality of service. Customize dial plans, call flows, codecs, and other telephony features. Maintain system documentation and provide post-deployment support. Required Skills: Hands-on experience (3-5 years) with Asterisk and FreeSWITCH . Strong understanding of SIP, RTP, and VoIP protocols . Proficiency in Linux system administration and scripting (e.g., Bash, Python). Familiarity with MySQL/PostgreSQL for backend data handling. Experience with tools like Wireshark , SIPp , or other VoIP testing utilities. Knowledge of call routing , media transcoding , and NAT traversal . Good to Have: Experience integrating VoIP platforms with CRM systems . Exposure to Kamailio/OpenSIPS , WebRTC, or telephony billing systems. Certification in VoIP technologies or Linux administration.

Position Summary : The candidate suitable for this role of Senior Software Engineer will be responsible for leading the development and implementation of complex software solutions. This role involves a high level of technical expertise and the ability to guide and mentor junior team members. The Senior Software Engineer will collaborate with cross-functional teams to define, design, and ship new features while maintaining high standards of software quality. Key Responsibilities : - Design and develop high-volume, low-latency applications for mission-critical systems, delivering high availability and performance. - Contribute to all phases of the development lifecycle, from concept and design to testing. - Write well-designed, testable, and efficient code. - Ensure designs comply with specifications. - Prepare and produce releases of software components. - Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review. Skills : - 4-6 years of experience in software development. - Solid background in GoLang. - Strong data structures and algorithms concepts. - Designing and problem-solving skills, with a strong bias for architecting for performance and scalability. - Sound knowledge of cloud services and Kubernetes. Good to have Skills : - Good Understanding SIP/RTP protocols - Hands-on experience with any of FreeSWITCH/Asterisk/OpenSIPS/Kamailio open source VoIP softwares. Qualifications : - B. Tech/M. Tech/MCA in Computer Science Benefits : - Flexible Working Hours. - Hybrid Working Style. - Personal Accidental Insurance. - Health Insurance to Self, Spouse and two kids. - 5 days working week.

The Associate Software Team Lead is pivotal in steering a group of talented software engineers towards the successful execution of R&D projects. This role involves a blend of technical expertise and leadership skills tmanage the development lifecycle, mentor team members, and ensure that software deliverables are innovative, robust, and align with customer expectations. The Associate Team Lead acts as a bridge between the engineering team and senior management, translating business objectives inttechnical strategies, fostering a culture of continuous improvement, and maintaining a focus on both short-term milestones and long-term goals. Qualification: Relevant industry certifications (Azure/AWS certified professional) Bachelor s degree in computer science / engineering, or equivalent work experience. Software Engineer level of experience with exceptional Real-Time skills and enthusiasm Proven ability tself-manage and structure work, this must be demonstrated through clear examples in your application Product / Technical : Degree in Computer Science or Engineering or Equivalent with 10+ years of relevant experience working with C/C++, C#, PHP. Must have 6+ years of Linux C++ / C developer. Must have 6+ years of Windows C/ C#/.NET, Dependency Injection Experience with Service Bus, Test Driven development Must have strong background in muti-process / multi-threaded application design. Must be proficient in Linux (currently using EL9) - Development, Bash shell. Must have strong background using and/or implementing SIP, RTP, or other voice protocols. Working knowledge of Asterisk/FreeSwitch Experience with Machine Learning technologies, NLP, Python libraries (Pandas, Keras, TensorFlow etc.) Good understanding of Python libraries for machine learning, Computer vision, Speech Analytics and Deep Learning tools & techniques Working experience of Cloud (preferably AWS) is an added advantage. Working experience of Cloud (OKD / OpenShift preferred) development Working knowledge of Cloud tools such as Kubernetes, and CI/CD tools such as Harness and/or Jenkins. Working knowledge of Monitoring Tools such as Datadog and/or OpsGenie. Experience working JIRA and in an Agile team. Knowledge of front end technologies (React Js , Node Js, Java script) Working knowledge on Application Security/Vulnerability tools like Black Duck, Coverity / App Scan etc. Experience with API / RESTful data services Experience using Postgres and SQL Server database technologies. Knowledge of VXML & IVR technologies/solutions. Experience of voice & viderecording platforms is advantageous Good understanding of Computer Vision, Speech Analytics and Deep Learning tools & techniques Core Tasks: Lead and support the VASR and Fonolproduct development and maintenance, ensuring global customer success. Initial ramp up is expected tbe based on small product issue resolution building tnew feature development. Once team established and product knowledge at required level, lead the development and implementation of software projects from conception tdeployment. Provide technical expertise and guidance in software design, coding standards, and system integration. Participate in technical requirements though tdelivery Estimates take intconsideration all aspects of solution and are relatively accurate. Tasks and Defects are addressed proactively. Quality gates are met for deliverables. Champion agile development methodology within the development organization. Ensure customer success when called upon tassist in complex issues. Mentor Associate and Graduate Engineers. Ensure the quality and reliability of software through rigorous testing and code reviews. Encourage innovation and the exploration of new technologies tenhance product capabilities. Troubleshoot and resolve complex technical issues that arise during the development process. Manage the allocation of resources, including personnel and technology, toptimize productivity. Establish and monitor performance metrics tevaluate the success of software projects

Sprinklr is a leading enterprise software company for all customer-facing functions. With advanced AI, Sprinklr's unified customer experience management (Unified-CXM) platform helps companies deliver human experiences to every customer, every time, across any modern channel. Headquartered in New York City with employees around the world, Sprinklr works with more than 1,000 of the worlds most valuable enterprises - global brands like Microsoft, P&G, Samsung and more than 50% of the Fortune 100. What Does Success Look Like? We are looking for a Principal VOIP Engineer to lead the architecture and technical direction of our next-gen voice infrastructure. You’ll be responsible for building carrier- grade systems with high availability, low latency, and global scalability- powering mission-critical voice communication in our CCaaS platform. This is a hands-on leadership role where you will influence architecture, establish best practices, and work cross-functionally across Engineering, DevOps, Product, and QA teams. Seniority Level: Principal / Individual Contributor with technical leadership scope. What You’ll Do: Design and implement VOIP (signaling and media) infrastructure using FreeSWITCH, Kamailio/OpenSIPs, and RTPEngine. Architect session border controllers (SBC), NAT traversal, load balancing, and failover strategies. Define standards for call routing and audio quality optimization (codecs, jitter, etc.) Lead initiatives for scalability, observability, security, and resiliency of our voice infrastructure. Troubleshoot live trac and provide technical leadership during major incidents. Collaborate with Backend and API teams to design provisioning, billing, and call analytics APIs. Evaluate and onboard open-source tools or commercial carriers as needed. Coach and mentor junior/lead engineers in VoIP best practices. What Makes You Qualified? 12+ years of hands-on experience in the Telephony / VoIP / CPaaS domain. Strong knowledge of VoIP Protocols (SIP/SDP, RTP/RTCP), Networking fundamentals (UDP/TCP/IP, DNS, MPLS), QoS (latency, jitter, packet loss mitigation). Hands-on experience with Session Border Controller (SBC), Media Servers and WebRTC . Expert-level understanding of SIP, RTP, NAT traversal (ICE/STUN/TURN) , and VoIP security (TLS, SRTP, fraud prevention). Hands-on development experience with FreeSWITCH, Kamailio/OpenSIPs, and RTPEngine. Experience in designing carrier-grade telephony plaforms serving millions of calls. Strong systems programming and debugging skills in C/C++ Strong troubleshooting skills, with experience using network monitoring and debugging tools. Familiarity with distributed systems and cloud-based deployments (AWS, GCP, Azure) Excellent problem-solving, debugging, and performance tuning skills

Job Overview: We are looking to hire experienced developers for remote positions who can contribute their expertise to our SaaS product. The ideal candidate will have a strong background in telephony systems, Python development, DevOps, real-time systems, and security. Salary is flexible for the right candidate who is ready to drive innovation and excellence in our product offerings. Key Responsibilities: Telephony and Communication Systems: Develop, maintain, and optimize telephony solutions using FreeSWITCH, Asterisk, SIP, WebRTC, and VoIP protocols. Troubleshoot and resolve issues related to call routing, connectivity, and communication quality. Python Development and Scalability: Design and implement scalable backend systems using Python. Utilize asynchronous frameworks such as FastAPI and Celery for high-performance applications. Optimize interactions with PostgreSQL databases and ensure efficient message queuing. DevOps and Cloud Infrastructure: Implement, manage, and optimize containerized applications using Docker and Kubernetes. Deploy and maintain applications on cloud platforms (AWS, GCP) ensuring high availability and performance. Collaborate with the operations team to improve CI/CD pipelines and automate infrastructure management. Real-Time Systems: Design and develop systems utilizing WebSockets, UDP, and low-latency networking protocols to support real-time communication. Ensure minimal latency and high throughput for mission-critical applications. Security and Compliance: Integrate security protocols such as SIP/TLS and SRTP to safeguard communications. Ensure compliance with data protection standards including GDPR and HIPAA, integrating security best practices in software design and deployment. Collaboration and Mentoring: Work closely with cross-functional teams including product managers, designers, and other developers to shape product features and architecture. Mentor junior team members and promote a culture of continuous learning and improvement. Required Skills and Qualifications: Proven experience in developing and managing telephony systems with FreeSWITCH/Asterisk, SIP, WebRTC, and VoIP protocols. Strong proficiency in Python, including experience with asynchronous frameworks such as FastAPI and Celery. Hands-on experience with PostgreSQL database optimization and message queue systems. Solid understanding of DevOps practices with practical experience using Docker, Kubernetes, and cloud platforms (AWS, GCP). Demonstrated expertise in building real-time systems using WebSockets, UDP, and ensuring low-latency networking. Deep knowledge of security protocols including SIP/TLS, SRTP and familiarity with regulatory compliance frameworks like GDPR and HIPAA. Excellent problem-solving skills, attention to detail, and the ability to work independently in a remote setting. Strong communication and collaboration skills. Preferred Qualifications: Prior experience working on SaaS products environment. Contributions to open-source projects or participation in developer communities. Experience with additional programming languages and frameworks is a plus. Compensation and Benefits: Flexible salary package for the right candidate. Opportunity to work remotely from anywhere in India. Dynamic and collaborative work environment. Opportunities for professional growth and skill development.

Job Overview: We are looking to hire experienced developers for remote positions who can contribute their expertise to our SaaS product. The ideal candidate will have a strong background in telephony systems, Python development, DevOps, real-time systems, and security. Salary is flexible for the right candidate who is ready to drive innovation and excellence in our product offerings. Key Responsibilities: Telephony and Communication Systems: Develop, maintain, and optimize telephony solutions using FreeSWITCH, Asterisk, SIP, WebRTC, and VoIP protocols. Troubleshoot and resolve issues related to call routing, connectivity, and communication quality. Python Development and Scalability: Design and implement scalable backend systems using Python. Utilize asynchronous frameworks such as FastAPI and Celery for high-performance applications. Optimize interactions with PostgreSQL databases and ensure efficient message queuing. DevOps and Cloud Infrastructure: Implement, manage, and optimize containerized applications using Docker and Kubernetes. Deploy and maintain applications on cloud platforms (AWS, GCP) ensuring high availability and performance. Collaborate with the operations team to improve CI/CD pipelines and automate infrastructure management. Real-Time Systems: Design and develop systems utilizing WebSockets, UDP, and low-latency networking protocols to support real-time communication. Ensure minimal latency and high throughput for mission-critical applications. Security and Compliance: Integrate security protocols such as SIP/TLS and SRTP to safeguard communications. Ensure compliance with data protection standards including GDPR and HIPAA, integrating security best practices in software design and deployment. Collaboration and Mentoring: Work closely with cross-functional teams including product managers, designers, and other developers to shape product features and architecture. Mentor junior team members and promote a culture of continuous learning and improvement. Required Skills and Qualifications: Proven experience in developing and managing telephony systems with FreeSWITCH/Asterisk, SIP, WebRTC, and VoIP protocols. Strong proficiency in Python, including experience with asynchronous frameworks such as FastAPI and Celery. Hands-on experience with PostgreSQL database optimization and message queue systems. Solid understanding of DevOps practices with practical experience using Docker, Kubernetes, and cloud platforms (AWS, GCP). Demonstrated expertise in building real-time systems using WebSockets, UDP, and ensuring low-latency networking. Deep knowledge of security protocols including SIP/TLS, SRTP and familiarity with regulatory compliance frameworks like GDPR and HIPAA. Excellent problem-solving skills, attention to detail, and the ability to work independently in a remote setting. Strong communication and collaboration skills. Preferred Qualifications: Prior experience working on SaaS products environment. Contributions to open-source projects or participation in developer communities. Experience with additional programming languages and frameworks is a plus. Compensation and Benefits: Flexible salary package for the right candidate. Opportunity to work remotely from anywhere in India. Dynamic and collaborative work environment. Opportunities for professional growth and skill development.

Job Purpose VoIP Infrastructure Design & Maintenance: oConfigure, deploy, and maintain FreeSWITCH and Kamailio-based systems. oDesign scalable and reliable VoIP architectures to support business needs. oImplement call routing, DID management, and trunk configurations. SIP & Call Routing: oDevelop and manage SIP-based call routing for internal and external communication. oTroubleshoot SIP signaling issues using tools like Wireshark or sngrep. oOptimize routing rules for least-cost routing (LCR) and high availability. Monitoring & Performance Optimization: oMonitor VoIP systems for performance, security, and uptime. oConduct capacity planning and optimize system resources. oImplement call quality monitoring tools (e.g., RTCP, QoS metrics). Collaboration & Support: oWork with cross-functional teams to integrate VoIP systems with CRM and other platforms. oProvide Level 2/3 support for VoIP-related issues. oTrain team members on VoIP best practices and system usage. Security & Compliance: oImplement VoIP security measures to prevent fraud and mitigate risks. oEnsure compliance with industry standards and regulations (e.g., GDPR, HIPAA). oConfigure firewalls and SBCs for secure SIP trunking. Database & Messaging Integration: oIntegrate VoIP systems with databases like MongoDB and PostgreSQL. oLeverage Redis for caching and RabbitMQ for messaging queues. oImplement efficient data storage and retrieval mechanisms to support VoIP services. Programming & Scripting: oDevelop custom VoIP features and modules using languages like Golang, Lua, Python, C, and C++. oAutomate repetitive tasks and processes through scripting. oIntegrate WebRTC solutions for real-time communication. Duties and Responsibilities VoIP Infrastructure Design & Maintenance Monitoring & Performance Optimization Programming & Scripting Required Qualifications and Experience VoIP Expertise: oStrong hands-on experience with FreeSWITCH and Kamailio. oIn-depth knowledge of SIP protocols, RTP, and VoIP troubleshooting. oFamiliarity with codecs like G.711, G.729, Opus, etc. Networking Proficiency: oSolid understanding of networking concepts such as NAT, RTP, and STUN/TURN. oExperience with firewall configurations and SBCs. Development Skills: oProficiency in programming languages like Golang, Lua, Python, C, and C++. oExperience with WebRTC for real-time communication. oFamiliarity with database systems like MongoDB and PostgreSQL. oExperience with Redis for caching and RabbitMQ for asynchronous messaging. Tools & Platforms: oFamiliarity with monitoring tools like Homer, Grafana, or Nagios. oHands-on experience with cloud platforms like AWS, Azure, or Google Cloud. oProficiency in containerization tools like Docker and orchestration with Kubernetes. Soft Skills: oStrong analytical and problem-solving skills. oExcellent communication and documentation abilities. oAbility to work collaboratively in a team environment Educational Qualifications B-tech IT or CS

Expertise in C, SIP and RTP Expertise and customize Freeswitch for audio/video conferencing 2-4 years of experience in telecom protocols like SIP, RTP, and SMPP. (FreeSwitch, WebRTC). Familiarity with Opensip, Lua, PBX and Kamailio Required Candidate profile 5 days working but rotational off Note- Interested candidate can directly contact at 9045186615.