Senior Backend Engineer (Java/Kotlin/Spring Boot)

Senior Backend Engineer (Java/Kotlin/Spring Boot) Location Offshore – Remote from India Working Hours: 3:00 PM – 12:00 AM IST Long term Contract We are currently hiring Senior Backend Engineer to help modernize and rebuild a critical internal customer agent platform currently operating on a legacy technology stack. The existing databases will remain intact, while the engineering team designs and builds modern APIs and backend services to efficiently expose and retrieve data. What You'll Do Design, develop, and maintain scalable backend services using Java, Kotlin, and Spring Boot 3+ Build modern REST and GraphQL APIs to replace legacy system components Work with relational databases such as PostgreSQL and/or Google Spanner Deploy and manage services within Google Cloud Platform (GCP) environments Contribute to cloud-native architecture and containerized deployments ( Kubernetes exposure is a plus ) Implement secure authentication and authorization using OAuth 2.0 and related identity protocols Utilize observability and monitoring tools such as New Relic Collaborate closely with cross-functional engineering teams while operating independently as a strong Individual Contributor (IC) Required Skills & Qualifications 7+ years of backend engineering experience Strong hands-on experience with: Java Kotlin Spring Boot 3+ Experience building and consuming REST APIs and GraphQL Strong experience with PostgreSQL or Google Spanner Experience deploying applications on GCP Knowledge of OAuth 2.0 and secure backend architecture Experience with monitoring/observability tools such as New Relic Strong system design and problem-solving skills Ability to work independently in a fast-paced engineering environment Nice to Have Experience with Kubernetes Experience modernizing or migrating legacy platforms Exposure to large-scale distributed systems