Senior Backend Developer/Lead – Notification Hub (Offshore) | India

Photon • Remote, Remote • Posted July 04, 2026

Position Overview

Role Summary  

The Senior Backend Developer will implement backend services powering the Notification Hub, including routing logic, preference synchronization workflows, webhook ingestion components, and vendor adapter integrations. This role focuses on building highly reliable, event-driven microservices deployed on GKE using Pub/Sub and Avro. 

Key Responsibilities  

  • Develop Java/Spring Boot microservices for routing, preference sync, webhook ingestion, and batch jobs. 
  • Implement Pub/Sub consumers with concurrency controls, retry logic, DLQ, and idempotency handling. 
  • Process Avro payloads and implement schema validation, transformation, and enrichment. 
  • Build API integrations with Listrak and other messaging/MarTech systems using the adapter pattern. 
  • Integrate with internal APIs (MDM, CRM, profile services) for data enrichment. 
  • Contribute to secure webhook handling and event publishing.