Senior Developer - Unified Communications Applications

Capgemini is seeking a hands-on Senior Developer for Unified Communications Applications. The role involves leading sustenance and development efforts for UC suite applications, designing and integrating UC features like call processing, messaging, presence, and A/V conferencing using APIs/SDKs. The ideal candidate will have strong programming skills across multiple languages, expertise in SIP-based call processing, and experience troubleshooting complex UC issues. This position requires staying updated with industry trends in UC, SIP, and Cloud technologies.

Must Have

• Lead Sustenance & Development efforts for Unified Communication suite of applications (UC Servers, Clients/Endpoints and associated integrations).
• Proficient expertise in having designed, built and integrated Unified Communications features & services (Call Processing, Messaging, Presence, A/V Conferencing) using API's and SDK's.
• Strong and proven experience of implementing and maintaining SIP based call processing, VoIP, trunking, presence, messaging and A/V conferencing.
• Hands-on with proficient programming skills across multiple languages (C++, .NET, JAVA, Node.js etc.).
• Troubleshoot and diagnosis of complex and trivial UC bugs/defects, perform root cause analysis and implement short term fixes and long term solutions.
• 8+ years in Unified Communications applications Sustenance, Development & integrations.
• Proficient knowledge of SIP, VOIP, RTP/RTCP, PBX and Call processing.

Job Description

Title: Senior Developer – Unified Communications Applications

Location-PAN India

Job Summary: We are seeking for a hands-on Senior Developer with Unified communication domain/technology experience and strong programming

Skills

Role & Responsibilities:

> Lead Sustenance & Development efforts for Unified Communication suite of applications ( UC Servers, Clients/Endpoints and associated integrations)

> Proficient expertise in having designed, built and integrated Unified Communications features & services (Call Processing, Messaging, Presence, A/V Conferencing) using API's and SDK's

> Strong and proven experience of implementing and maintaining SIP based call processing, VoIP, trunking, presence, messaging and A/V conferencing

> Hands-on with proficient programming skills across multiple languages ( C++, .NET, JAVA, Node.js etc..)

> Trouble shoot and diagnosis of complex and trivial UC bugs/defects, perform root cause analysis and implement short term fixes and long term solutions

> Stay with industry trends and latest in UC, SIP and Cloud

Required Skills & Qualifications:

> 8+ years in Unified Communications applications Sustenance, Development & integrations

> Exposure and understanding of the UC solutions, Clients/Endpoints from NEC, Avaya/Nortel, Cisco or similar solutions/products

> Proficient knowledge of SIP, VOIP, RTP/RTCP, PBX and Call processing

> Languages & Frameworks: C++, .NET, Node.js, SQL, NoSQL

> Experience integrating UC with other solutions - Contact Centers/IVR, CRM, Call recording solutions etc. using API's/SDK/Frameworks

> Familiarity with Cloud based UC solutions ( UCaaS )

> OS Platforms: Windows, Linux, Mobile OS(IOS & Android)

> Familiarity with DevOPS/CI/CD pipelines and automation in UC development and sustenance

> Strong analytical, trouble shooting and communication skills

Job Description - Grade Specific

Focus on Industrial Operations Engineering. Develops competency in own area of expertise. Shares expertise and provides guidance and support to others. Interprets clients needs. Completes own role independently or with minimum supervision. Identifies problems and relevant issues in straight forward situations and generates solutions. Contributes in teamwork and interacts with customers.