Principal Engineer (Voice & Messaging)
Exotel Techcom Private Limited21 hours ago
Bengaluru, IndiaStaff+
Responsibilities
- Influence the product roadmap as a technical leader.
- Explore and adopt technologies that improve system reliability and efficiency.
- Provide technical guidance and mentoring to project teams on architecture and design.
- Help enforce and improve SLAs for existing deployments.
- Build, improve, and enforce processes that increase efficiency.
- Build and guide the team toward operational excellence.
- Manage stakeholders and mentor junior engineers.
Requirements
- At least 8 years of experience in the VoIP domain.
- Bachelor’s or master’s degree in computer science or equivalent.
- Strong knowledge of SIP, SDP, RTP, RTCP, IP networking, routing, subnets, VLANs, NAT traversal, and network impairments affecting call quality.
- Experience leading project teams delivering critical software solutions.
- At least 6 years of experience building highly available, scalable, and fault-tolerant VoIP systems.
- At least 4 years of experience with server-side VoIP applications such as Asterisk, Kamailio, or equivalent.
- At least 3 years of experience with AWS, GCP, or Azure.
- At least 2 years of experience designing and developing REST-based microservices.
- Programming experience in Golang, Ruby, C, or C++.
- Shell and Python scripting experience.
- Experience with MySQL or Postgres and understanding of data structures, multithreading, and concurrency.
- Proficiency working in Linux environments and Agile software development processes.
- Strong analytical, problem-solving, troubleshooting, communication, teamwork, and adaptability skills.
- Experience with custom development on Asterisk, FreeSWITCH, Kamailio, or OpenSIPS; SIPp or other SIP testing tools; ISDN; WebRTC; Elasticsearch; Grafana; Kibana; Ansible; Jenkins; Terraform; Kubernetes; Git; Nagios; Prometheus; Android; iOS; Java; or JavaScript is preferred.
Tech Stack
AnsibleAWSAzureCC++ElasticsearchGitGoGoogle Cloud PlatformGrafanaiOSJavaJavaScriptJenkinsKibanaKubernetesLinuxMySQLNagiosPostgreSQLPrometheusPythonRubyTerraform
Categories
About Exotel Techcom Private Limited
Exotel Techcom Private Limited builds an omnichannel customer engagement and contact center platform for businesses, offering cloud telephony, voice, SMS, WhatsApp/RCS messaging, and conversational AI to support both human and virtual agents. It sells SaaS and usage-based CPaaS solutions to enterprises; founded in 2011 and headquartered in Bangalore, it reports serving 7,000+ customers and powering over 20 billion customer conversations annually.