Careers
Build the stack that powers contact centers
We work in the low-level telephony stack — Asterisk dialplans, FreeSWITCH ESL apps, OpenSIPS routing scripts. If you care about call quality, SIP, and RTP as much as we do, we want to talk.
Open positions
FreeSWITCH / Asterisk Engineer
Full-time Ghaziabad, UP / Remote
OpenSIPS / SIP Protocol Engineer
Full-time Ghaziabad, UP / Remote
Full-Stack Developer (Next.js + Node)
Full-time Ghaziabad, UP / Remote
VoIP QA Engineer
Full-time Ghaziabad, UP
Don't see your role listed? We hire based on skill, not just open headcount. Send your resume and a note about what you've built to admin@nsssoft.in.
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Want to build with us?
Send us what you've built and what problems you want to solve.