VoIP Developer

10 hours ago

Pune, Maharashtra, India Ishan Technologies Full time ₹ 12,00,000 - ₹ 36,00,000 per year

Job Summary:

We are seeking a
Free SWITCH Developer
to Manage & Develop FreeSWITCH based telephony applications. You will work closely with product managers, UI/UX designers, backend engineers, and DevOps to build modern, performant, and scalable telephony applications / platform. The ideal candidate is hands-on, deeply experienced in the
Free SWITCH
, and has a strong background in developing, deploying & managing Free SWITCH based Telephony applications.

Key Responsibilities

FS Management & development

  • Hands on Experience on Deploying FreeSWITCH on Linux Cloud.
  • Integrate VoIP gateways with FreeSWITCH.
  • Configuring FreeSWITCH Modules e.g. mod_call_center, mod_xml_curl
  • Developing Call Centre applications using Free SWITCH which includes Mult Tenant Call Centre with Auto Dialer & ACD Configuration.
  • Configuring MT based reporting and analytics in FreeSWITCH
  • Deploying FreeSWITCH in HA Mode with clusters mandatory.
  • Work closely with UI/UX development team to integrate FS functionalities and extend it to UI.
  • Able to Write code to control FreeSWITCH functionalities & settings
  • Configuring Kamailio with FreeSWITCH in LB mode,
  • Configuring FS for Live call migration.
  • Postgres SQL with Cluster and HA mode.

Must-have Skills & Qualifications

  • Free SWITCH.
  • Kamailio.
  • Postgres SQL.
  • Micro services in Python, Node

Good-To-Have (Preferred)

  • GCP or AWS,
  • Linux

Why Join us?

  • Build and lead tech solutions that power cutting-edge AI platforms.
  • Work in a cloud-native product environment with full lifecycle ownership.
  • Be part of a cross-functional innovation lab solving meaningful problems.
  • Competitive salary, flexible work culture, and leadership growth opportunities.
  • Exposure to enterprise clients, modern architecture, and AI-first development.

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