Sr. Backend Platform Engineer || 6-10 years || Pune (5 Days WFO)

About the role

A successful Senior Software Engineer Platform should have: Java / Spring Boot & Microservices / platform service design REST API design (OpenAPI) & Event-driven architecture (SQS / Kafka) SDK design and development & Distributed systems patterns API gateway implementation & Service mesh (Istio / Linkerd)

What you'll do

• Build and maintain the shared backend platform services - the IAM/RBAC SDK, the AI SDK wrapper, the notification service, the event bus
• Own the IAM/RBAC SDK implementation - translating the Cloud-Native Platform Architect's design into a production-ready SDK that twelve squads can integrate with…
• Build the AI SDK integration layer - the secure, consistent interface for squads to call LLM APIs with rate limiting, cost tracking, PII redaction
• Design and implement the shared event bus patterns - how domain events are published, subscribed to, and replayed across services using SQS or Kafka
• Write the platform SDK documentation and integration guides that product squad engineers use to onboard themselves without requiring Phoenix involvement

What you need

• 6–10 yrs of experience
• Kafka
• REST APIs
• Java
• Spring Boot
• Microservices
• IAM
• Any graduate

Good to have

• AWS
• Kotlin
• LLMs
• Instrumentation
• API testing
• Incident response