Backend Developer

3 days ago

Bengaluru, Karnataka, India AI REVO LABS Full time US$ 90,000 - US$ 1,20,000 per year


We're Hiring: Backend Developer (VOIP) | Bangalore
Position: Backend Developer – VOIP

Location: Bangalore, India (Onsite)

Experience Required: 2+

Type: Full-time | Permanent Role

Hiring for: A fast-growing product engineering company based in Bangalore

About The Company
Our client is a leading software engineering services and product development company, backed by industry veterans with deep expertise in building scalable digital platforms. They work with global enterprises and startups, driving innovation through cutting-edge technologies including AI/ML, Networking, Cloud etc. The company fosters a transparent, collaborative, and growth-driven work culture focused on long-term value creation.

Role Overview

As a
Backend Developer – VOIP
, you'll lead and contribute to high-impact projects in the telephony and real-time communication space. You'll be involved in end-to-end development of VOIP infrastructure and services that are scalable, fault-tolerant, and performance-driven.


Key Responsibilities

  • Lead projects related to telephony and VoIP stack. Responsible for driving projects throughout its lifecycle.
  • Work with a team of engineers to explore, design, develop, test, deploy, and operationalize a product's features & improvements.
  • Build fault-tolerant, scalable and real-time distributed VOIP system
  • Effectively work in a collaborative and agile team environment
  • Support team with timely analysis and debugging of operational issues.
  • Emphasis on automation and scripting.
  • Mentor junior engineers in the team.

Required Skills & Experience

  • Bachelor's or master's degree in computer science or communications engineering
  • Solid knowledge on VoIP domain technologies including SIP, SDP, RTP, RTCP.
  • Solid knowledge on IP networking concepts and L2/L3 routing including Subnets, VLAN, NAT Traversal (ICE/STUN).
  • Experience leading project team to deliver critical software solutions
  • 3+ years' experience in high-availability, scalable and fault tolerant VOIP infrastructure.
  • 3+ years' experience in working with server-side VOIP infrastructure components like Asterisk/Freeswitch,
  • Kamailio/Opensips. including understanding of stack internals
  • 3+ years' experience in working with a major cloud platform like AWS (preferred), GCP, Azure.
  • 2+ years' experience in design and development of REST-based microservices.
  • 2+ Experience with WebRTC
  • Experience in programming with one of Golang (preferred), Ruby, C/C++
  • Experience in scripting with shell, python
  • Experience with datastores such as MySQL, Postgres
  • Experience with DevOps tools like Ansible, Jenkins, Terraform, Kubernetes, Git
  • Good understanding of data structures, multi-threading and concurrency concepts.
  • Proficiency in working in Linux environment
  • Experience working in Agile SDLC process
  • Strong analytical, problem solving and troubleshooting skills
  • Excellent written and verbal communication skills
  • Team-player, flexible and able to work in a fast-paced environment
  • A "DevOps" mindset. You own what you will develop.


Bonus Skills (Good to Have)

  • Experience with custom development on Asterisk/Freeswitch/Kamaili/Opensips is a plus
  • Experience with SiPp or any other SIP testing tools
  • Experience with ISDN, WebRTC technologies
  • Experience with Elasticsearch queries and visualization tools like Grafana, Kibana
  • Experience with monitoring frameworks like Nagios, Prometheus
  • Experience with developing Android, iOS based VOIP clients
  • Experience with Java, JavaScript languages

Skills: voip,go (golang),c++,c,python,sip,rtp,sdp,webrtc,asterisk,freeswitch,opensips,ruby,aws,azure,gcp,rest,linux,kubernetes,ansible,terraform

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