Capgemini

Senior Developer - Unified Communications Applications

Posted On

March 2, 2026

Location

Bangalore, Karnataka

Experience Level

Experienced Professionals

Job Type

Permanent

Apply By

March 18, 2026

Job Description

Title: Senior Developer – Unified Communications Applications

Location-PAN India

Experience-4-8 years

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:

>Experience 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.

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