Senior Application Developer

2 weeks ago


Bengaluru, India Capgemini Engineering Full time

Senior Developer – Unified Communications Applications


Location: Bangalore/Pune/Delhi NCR/ Chennai


Experience Level: 8+ Years


About the Role

We are looking for a hands-on Senior Developer with deep expertise in Unified Communications (UC) technologies and strong programming skills. This role involves leading development and sustenance efforts for a suite of UC applications including servers, clients/endpoints, and integrations.

Key Responsibilities

  • Lead development and maintenance of UC applications (servers, clients, integrations).
  • Design and integrate UC features like Call Processing, Messaging, Presence, A/V Conferencing using APIs and SDKs.
  • Implement and maintain SIP-based call processing, VoIP, trunking, messaging, and conferencing.
  • Troubleshoot complex UC issues, perform root cause analysis, and implement fixes.
  • Stay updated with industry trends in UC, SIP, and cloud technologies.

Required Skills & Qualifications

  • 8+ years of experience in UC application development and integration.
  • Hands-on experience with UC solutions from NEC, Avaya/Nortel, Cisco, or similar.
  • Strong knowledge of SIP, VOIP, RTP/RTCP, PBX, Call Processing.
  • Proficient in C++, .NET, Node.js, SQL, NoSQL.
  • Experience integrating UC with Contact Centers, IVR, CRM, Call Recording using APIs/SDKs.
  • Familiarity with UCaaS (Cloud-based UC solutions).
  • Comfortable working across Windows, Linux, iOS, Android platforms.
  • Exposure to DevOps/CI-CD pipelines and automation in UC development.
  • Excellent analytical, troubleshooting, and communication skills.


Email : komal.a.karajage@capgemini.com



  • Bengaluru, India Capgemini Engineering Full time

    Senior Developer – Unified Communications Applications Location: Bangalore/Pune/Delhi NCR/ Chennai Experience Level: 8+ Years About the Role We are looking for a hands-on Senior Developer with deep expertise in Unified Communications (UC) technologies and strong programming skills. This role involves leading development and sustenance efforts for a suite...


  • Bengaluru, India Capgemini Engineering Full time

    Senior Developer – Unified Communications ApplicationsLocation: Bangalore/Pune/Delhi NCR/ ChennaiExperience Level: 8+ YearsAbout the RoleWe are looking for a hands-on Senior Developer with deep expertise in Unified Communications (UC) technologies and strong programming skills. This role involves leading development and sustenance efforts for a suite of UC...


  • Bengaluru, India Capgemini Engineering Full time

    Senior Developer – Unified Communications ApplicationsLocation: Bangalore/Pune/Delhi NCR/ ChennaiExperience Level: 8+ YearsAbout the RoleWe are looking for a hands-on Senior Developer with deep expertise in Unified Communications (UC) technologies and strong programming skills. This role involves leading development and sustenance efforts for a suite of UC...


  • Bengaluru, India Capgemini Engineering Full time

    Senior Developer – Unified Communications ApplicationsLocation: Bangalore/Pune/Delhi NCR/ ChennaiExperience Level: 8+ YearsAbout the RoleWe are looking for a hands-on Senior Developer with deep expertise in Unified Communications (UC) technologies and strong programming skills. This role involves leading development and sustenance efforts for a suite...


  • Bengaluru, India Capgemini Engineering Full time

    Senior Developer – Unified Communications ApplicationsLocation: Bangalore/Pune/Delhi NCR/ ChennaiExperience Level: 8+ YearsAbout the RoleWe are looking for a hands-on Senior Developer with deep expertise in Unified Communications (UC) technologies and strong programming skills. This role involves leading development and sustenance efforts for a suite...


  • Bengaluru, India Capgemini Engineering Full time

    Senior Developer – Integration Platform and Smart Check-in Kiosk role:Location: Bangalore/Pune/Delhi NCR/ChennaiEmployment Type: Full-TimeExperience Level: 8+ YearsAbout the RoleWe’re looking for a hands-on Senior Developer to lead the implementation, enhancement, and maintenance of our Integration Platform and Smart Check-in Kiosk applications. This...


  • Bengaluru, India Capgemini Engineering Full time

    Senior Developer – Unified Communications Applications Location: Bangalore/Pune/Delhi NCR/ Chennai Experience Level: 8+ Years About the Role We are looking for a hands-on Senior Developer with deep expertise in Unified Communications (UC) technologies and strong programming skills. This role involves leading development and sustenance efforts for a...


  • Bengaluru, India Capgemini Engineering Full time

    Senior Developer – Unified Communications ApplicationsLocation: Bangalore/Pune/Delhi NCR/ ChennaiExperience Level: 8+ YearsAbout the RoleWe are looking for a hands-on Senior Developer with deep expertise in Unified Communications (UC) technologies and strong programming skills. This role involves leading development and sustenance efforts for a suite of UC...


  • Bengaluru, India Capgemini Engineering Full time

    Senior Developer – Unified Communications ApplicationsLocation: Bangalore/Pune/Delhi NCR/ ChennaiExperience Level: 8+ YearsAbout the RoleWe are looking for a hands-on Senior Developer with deep expertise in Unified Communications (UC) technologies and strong programming skills. This role involves leading development and sustenance efforts for a suite of UC...


  • Bengaluru, India Capgemini Engineering Full time

    Senior Developer – Integration Platform and Smart Check-in Kiosk role:Location: Bangalore/Pune/Delhi NCR/ChennaiEmployment Type: Full-TimeExperience Level: 8+ YearsAbout the RoleWe’re looking for a hands-on Senior Developer to lead the implementation, enhancement, and maintenance of our Integration Platform and Smart Check-in Kiosk ...