we require asterisk & VoIP support engineers for providing support for contact centers Skills required Must be having good knowledge of the Linux system and hands-on experience in the Linux environment and troubleshooting. Must have sound knowledge or asterisk / VoIP troubleshooting Must be aware of call center dialer and its features. Must have sound knowledge of voip based systems and be able to install/configure/maintain/troubleshoot asterisk based servers. must have good knowledge of linux based security systems. Good to have basic knowledge in any of perl, scripting, php, mysql. Job Type: Full-time Pay: From ₹20,000.00 per month Benefits: Flexible schedule Shift: US shift Work Days: Monday to Friday Experience: Linux: 1 year (Required) Work Location: In person

We are building a modern, AI-ready, cloud-based Contact Center Dialer solution for outbound and blended call centers. Our product is powered by FreeSWITCH on the telephony layer and Node.js for backend services. We're a compact 3-member dev team (SIP Engineer, Backend Engineer, Frontend Developer) building from the ground up with a focus on speed, stability, and usability. We're looking for a Frontend Developer who will own the user interface for both the Agent Panel and the Admin Dashboard . You’ll work closely with backend and SIP engineers to deliver real-time, responsive, and intuitive UIs for managing campaigns, monitoring calls, and controlling dialer behavior. Key Responsibilities Design and develop front-end components using React.js Implement real-time updates using WebSockets (Socket.io) Integrate REST APIs for user management, campaign control, and reporting Build UI elements for: Agent login, call controls (dial, hangup, transfer) Real-time agent status and dashboards Campaign creation and monitoring Call logs, reports, and recordings Ensure a clean, responsive, and intuitive user experience Collaborate closely with backend and SIP developers Must-Have Skills Strong proficiency in React.js , JavaScript (ES6+) , HTML5 , CSS3 Experience with Tailwind CSS or equivalent CSS frameworks Familiarity with Redux / Zustand / Context API Experience with WebSocket (Socket.io or native) Proficient in REST API integration (Axios / Fetch) Git version control and collaborative development practices Good-to-Have Experience in contact center or VoIP-related applications Knowledge of WebRTC and browser-based call control interfaces Understanding of SIP call flows and FreeSWITCH/Asterisk UI/UX design sensibility Experience in building admin dashboards or CRM-like UIs What We Offer Be part of an early-stage, product-building journey High ownership and fast decision-making Remote flexibility and agile work style Opportunity to shape product features and roadmap Job Types: Full-time, Permanent Pay: ₹30,000.00 - ₹50,000.00 per month Benefits: Flexible schedule Work from home Schedule: Day shift Supplemental Pay: Performance bonus Ability to commute/relocate: New Town, Kolkata, West Bengal: Reliably commute or planning to relocate before starting work (Preferred) Experience: React: 2 years (Preferred) Location: New Town, Kolkata, West Bengal (Preferred) Work Location: In person