About this role
About Exotel: Exotel is the emerging market’s leading full-stack customer engagement platform and business-focused virtual telecom operator. Incorporated in 2011, Exotel’s cloud-based product suite powers 50 million daily engagements across voice, video, and messaging channels. Exotel serves over 6000 companies across 60+ countries, including India, SE Asia, the Middle East, and Africa. Tech @ Exotel Exotel Engineering builds fault-tolerant, scalable, and real-time distributed systems. Our tech stack includes Golang, Java, PHP, MySQL, Apache Kafka, Kubernetes, Beanstalkd, and Elasticsearch. We follow best practices in clean abstractions, loosely coupled services, and DevOps-driven operations. We strongly believe in "you build it, you own it." Team IPO Readiness: The IPO Readiness pod owns Exotel’s billing and revenue platform — real-time call/SMS billing, balance deduction, invoicing, payment processing, and credit control. The platform handles approximately 200k transactions per minute across Voice, Messaging, and other Exotel solutions. Role: Member of Technical Staff II As an MTS-II on IPO Readiness, you will design, build, and integrate components across the billing platform and support IPO-readiness initiatives (controls, monitoring, automation). You will work on feature delivery, production support, and cross-system integrations with ERP (Business Central), payment gateways, and the Zuora migration path. Key Responsibilities: Platform Development & Integration: • Develop and maintain microservices and batch jobs in Golang, Java, or PHP • Build and extend REST APIs and Kafka consumers/producers for billing events, sync flows, and fallback pipelines. Must-Have Skills: • Strong computer science fundamentals (data structures, algorithms). • Proficiency in at least one of: Golang (preferred), Java, or PHP. • Experience building scalable distributed systems and event-driven architectures. • Hands-on MySQL — schema design, query tuning, replication awareness. • Experience with Apache Kafka and asynchronous processing (consumers, lag, fallback/retry patterns). • Kubernetes basics — pods, deployments, namespaces, ArgoCD or equivalent GitOps. • DevOps mindset — you build it, you own it; comfortable with logs, metrics, and incident triage. Good-to-Have Skills: • Exposure to billing, invoicing, payments, or ERP integrations (Zuora, Business Central, Razorpay). • Experience with Beanstalkd, Jenkins, Prometheus/Grafana/Loki. • Scripting in Python for ops automation and report generation. • Familiarity with ITGC/SOX-style controls and audit documentation. Experience: 2–5 years Location: Bangalore (On-site)