Fullstack Engineer -2 Voice & Whatsapp(React + Golang/PHP)

Tech @ Exotel

• We build

  fault-tolerant, scalable, and real-time distributed systems

  .
• Our tech stack spans

  Golang, Node.js, 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 You ll 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 We re Looking For

Must-haves:

• 2 4 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

  .