Fullstack Engineer 2 Voice & Whatsapp(React + GolangPHP)
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Job Location:
Monthly Salary:
Posted on:
09-11-2025
Vacancies:
1 Vacancy
Job Summary
About us
Exotel is the leading customer engagement platform and virtual telecom operator in emerging markets. We help over 6000 businesses in India Southeast Asia the Middle East and Africa manage their customer interactions powering more than 70 million conversations every day. Our full-stack platform includes an omnichannel contact center a robust communication API suite and an advanced conversational AI platform. Founded in 2011 Exotel is built for scale and recognized for its innovation. With $50 million in Annual Recurring Revenue and a successful $100 million Series D funding round we are rapidly expanding our reach and capabilities. We are also proud to be a 100% compliant cloud calling operator having recently secured a virtual telecom operator license. Join us and help shape the future of customer engagement.
Tech @ Exotel
Exotel Engineering solves complex large-scale infrastructure problems ensuring no one misses a call or a message.
- We build fault-tolerant scalable and real-time distributed systems.
- Our tech stack spans Golang ReactJS Ruby Java and PHP.
- We use Aerospike MySQL ElasticSearch and Kafka/Beanstalkd for data and messaging.
- We believe in clean abstractions loosely coupled services and owning what you build.
- We operate with a strong DevOps and reliability-first culture.
What Youll Do
- Design and build end-to-end features across backend and frontend for Conversational AI & GenAI products (Messaging Voice WhatsApp).
- Develop ReactJS-based frontends for conversational workflows dashboards and monitoring tools.
- Own the design development and deployment of microservices and RESTful APIs that power messaging and voice platforms.
- Build highly available fault-tolerant distributed systems for real-time communication.
- Integrate with WhatsApp Business APIs SMS and voice channels.
- Drive automation CI/CD and cloud-native deployment pipelines.
- Collaborate cross-functionally with Product AI and Platform teams.
- Mentor junior engineers and contribute to best practices.
- Participate in on-call rotations to ensure platform stability.
What Were Looking For
Must-haves:
- 24 years of experience in full-stack development.
- Strong experience in ReactJS (frontend) and Golang / PHP (backend).
- Solid understanding of microservices architecture REST APIs and distributed systems.
- Proficiency in Linux networking and scripting (Python or Bash).
- Experience with cloud platforms (AWS preferred).
- Familiarity with datastores like MySQL Aerospike MongoDB or Redis.
- Strong grasp of data structures concurrency and multithreading.
- Hands-on with CI/CD container orchestration (Docker/Kubernetes) and monitoring tools (Grafana Prometheus Kibana).
- A DevOps mindset you build deploy and own what you create.
Good-to-haves:
- Experience with WhatsApp Business APIs or telecom protocols.
- Exposure to Conversational AI LLM-based automation or chat orchestration systems.
- Prior experience in cloud telephony (CPaaS) or communication platforms.
Experience building data ETL pipelines or real-time analytics dashboards.
Background in production-scale system management.
Key Skills
- EIGRP
- VOIP
- VMware
- Avaya
- BGP
- LAN
- OSPF
- QoS
- Project Planning
- Scripting
- Unity
- Troubleshooting
