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Experience: 4+ yrs

Location: Bengaluru, Karnataka, India

Job Type: Full-time

We are looking for a hands-on Engineering Lead to lead the development of high-throughput messaging platforms and APIs supporting large-scale communication across multiple channels, including SMS, MMS, WhatsApp, RCS, and verification services.

The role combines hands-on software development, architecture, technical leadership, and mentoring, with a strong emphasis on building reliable distributed systems capable of processing very high message volumes. The ideal candidate will spend significant time coding and designing systems while providing technical direction and mentoring to a team of engineers.

Requirements

Key Responsibilities
- Design and develop high-throughput messaging pipelines covering API ingestion, routing, queuing, rate limiting, retries, and delivery receipt processing.
- Build scalable and highly available backend services using Python or Golang,



with robust consideration for concurrency and performance.
- Design and maintain carrier and messaging aggregator integrations using SMPP and HTTP.
- Implement intelligent routing, failover mechanisms, delivery-quality monitoring, and traffic optimisation.
- Develop asynchronous messaging infrastructure using Kafka, SQS, RabbitMQ, or similar technologies.
- Design reliable systems using idempotency, backpressure, rate limiting, retry strategies, and fault-tolerant patterns.
- Establish technical direction through architecture reviews, system design discussions, service contracts, and engineering standards.
- Own production reliability, including SLOs, observability, alerting, capacity planning, on-call readiness, troubleshooting, and root-cause analysis.
- Build messaging capabilities that support regulatory and carrier requirements such as 10DLC, toll-free messaging, DLT, sender IDs, and opt-out handling.
- Develop mecha

📌 Team Lead (Bengaluru)
🏢 Weekday AI
📍 Bengaluru