Software Developer – VoIP & Asterisk Focus

Software Developer – VoIP & Asterisk Focus

Company: Clixxo Broadband Private Limited

Location: Noida / Delhi NCR

Experience: 1–5 Years

Employment Type: Full-Time

Industry: Telecom | VoIP | Enterprise Communication | Software Development

Website: www.clixxo.com

About the Role

Clixxo is looking for a hands-on Software Developer – VoIP & Asterisk Focus to develop, customize and maintain telecom and enterprise voice applications. The ideal candidate should have practical experience with Asterisk, SIP, VoIP, Linux and telephony application development , along with the ability to integrate voice platforms with APIs, databases and web-based applications.

Key Responsibilities

• Develop, customize and maintain Asterisk-based IP-PBX and VoIP applications .
• Configure and troubleshoot SIP/PJSIP trunks, extensions, dial plans and call routing .
• Develop and manage features such as IVR, queues, hunt groups, conferencing, call recording and voicemail .
• Work with Asterisk Dialplan, AMI, ARI and AGI for telephony application development and integrations.
• Integrate Asterisk/VoIP platforms with APIs, CRM, ERP and other business applications .
• Develop backend services and APIs for telecom applications.
• Work with databases such as MySQL for call records, configurations, reporting and application data.
• Troubleshoot issues related to SIP signalling, RTP/media, NAT, codecs, call quality and connectivity .
• Deploy and maintain VoIP applications on Linux-based servers .
• Work with Git and existing production codebases.
• Diagnose and resolve production issues across application, database, server and telephony layers.
• Participate in testing, debugging, performance optimization and feature development.

Required Skills & Qualifications

• Bachelor’s degree in computer science , IT, Electronics, Telecommunications, Communication Engineering or a related field.
• 1–5 years of experience in VoIP, telecom software development or related technologies.
• Strong hands-on knowledge of Asterisk .
• Good understanding of SIP, RTP, VoIP protocols and call flows .
• Experience with Asterisk Dialplan and PJSIP/SIP configuration .
• Practical knowledge of Linux servers and command-line administration .
• Working knowledge of MySQL / SQL .
• Understanding of REST APIs and application integrations.
• Good debugging, analytical and problem-solving skills.
• Ability to work independently on existing telecom applications.

Preferred Experience

Candidates with experience in any of the following will have an advantage:

• AMI, ARI and AGI
• IP-PBX and enterprise telephony systems
• SIP Trunks and VoIP Gateways
• IVR, Call Queues, Call Recording and Conferencing
• WebRTC
• RTP, codecs, NAT and firewall troubleshooting
• CDR and telecom reporting systems
• Node.js, JavaScript or other backend technologies
• React.js or web-based telecom administration portals
• FreePBX or similar Asterisk-based platforms
• Docker, Nginx/Apache and cloud/VPS environments
• High-availability or large-scale VoIP deployments

Technical Expectations

The developer should be capable of handling a telecom feature through the complete cycle: Requirement Analysis → Telephony Logic → Asterisk Configuration/Development → API/Database Integration → Testing → Deployment → Production Support

The candidate should be comfortable troubleshooting both software and live VoIP/telephony environments .

What We Offer

• Work on real-world IP-PBX, VoIP and enterprise communication products
• Hands-on exposure to live telecom and voice environments
• Opportunity to work on Asterisk-based product development and integrations
• Technical ownership and continuous learning opportunities
• Exposure to enterprise and carrier-grade communication requirements
• Professional growth within Clixxo's expanding technology team

Apply

Interested candidates can send their updated resume to:

[email protected] | [email protected]

Subject: Application – Software Developer – VoIP & Asterisk – Noida / Delhi NCR