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

Embrace a high-growth, high-impact environmentTackle real-world challenges About Our Client The hiring company is a small-sized organization within the financial services and fund management industries. They are dedicated to delivering innovative solutions and leveraging technology to drive business growth and operational efficiency. Job Description Platform Service Development * Build and maintain the shared backend platform services - the IAM/RBAC SDK, the AI SDK wrapper, the notification service, the event bus, and the feature flag system that every squad consumes * 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 confidence * Build the AI SDK integration layer - the secure, consistent interface for squads to call LLM APIs with rate limiting, cost tracking, PII redaction, and fallback handling built in * 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 API Gateway & Service Mesh * Own the API gateway implementation - routing configuration, authentication enforcement, rate limiting rules, and the observability instrumentation that feeds into the platform monitoring stack * Implement service mesh configuration for inter-service communication - mTLS, circuit breakers, retry policies, and traffic management for the twelve-service landscape * Define and enforce API standards in collaboration with the Cloud-Native Platform Architect - contract-first development, OpenAPI spec, versioning, and backward compatibility discipline * Build the API testing infrastructure - consumer-driven contract tests that catch breaking changes before deployment and give squads confidence in the API gateway configuration AI-Native Platform Engineering * Use Cursor and Claude as primary development tools - the Phoenix engineering standard is AI-augmented development; all code, tests, and documentation are AI-assisted * Build the n8n and AppSmith integration hooks - the platform-level API endpoints and webhooks that allow Rangers' automations to interact safely with platform services * Implement observability instrumentation across platform services - distributed tracing (OpenTelemetry), structured logging, and metrics that give the organisation visibility into platform health Quality, Reliability & Mentoring * Set and maintain code quality standards within Phoenix - code review, refactoring discipline, test coverage, and the mentoring of Intermediate and Associate engineers * Own platform service reliability - SLO monitoring, incident response, and the postmortem process when platform services affect product squad delivery * Contribute to the Platform Guild - share platform engineering knowledge, present implementation decisions, and participate in cross-squad technical discussions The Successful Applicant A successful Senior Software Engineer Platform should have: Backend Engineering - Core Java / Spring Boot & Microservices / platform service design REST API design (OpenAPI) & Event-driven architecture (SQS / Kafka) SDK design and development & Distributed systems patterns Platform Engineering - Core API gateway implementation & Service mesh (Istio / Linkerd) IAM / OAuth2 / RBAC implementation & Feature flag systems OpenTelemetry / distributed tracing & Contract testing (Pact) AI Native - Core Expectation Cursor for daily development & Claude for coding and documentation AI SDK integration design & LLM API patterns (rate limiting / fallback) Added advantage Kotlin & AWS (API GW / SQS / Lambda Kong / Envoy & Kafka Domain-driven design What's on Offer An attractive salary package within the range of salary_low to salary_high.Comprehensive holiday leave and employee benefits.A collaborative and innovative work environment in Mumbai.Opportunities to work on impactful projects in the financial services and fund management industries.Career growth and learning opportunities in a small-sized organization. If you are passionate about technology and eager to make a significant impact, apply today to join this exciting opportunity in Mumbai! .