Role Overview We are looking for an experienced Backend Engineer to maintain and enhance high-availability microservices powering large-scale digital services. You will ensure system reliability, resolve security vulnerabilities, and deliver scalable features in a cloud-native AWS environment. Key Responsibilities System Reliability & Maintenance Maintain and optimize Kotlin/Spring Boot microservices Troubleshoot production issues in distributed batch systems Monitor performance and improve throughput, latency, and reliability Manage DynamoDB schema changes and data migrations Security & Vulnerability Remediation Investigate and resolve VAPT findings and security risks Implement security patches and secure coding practices Remediate dependency vulnerabilities Strengthen authentication & authorization (AWS Cognito) Feature Development Build and enhance REST APIs and system integrations Extend workflow and processing capabilities Optimize database queries and batch performance Engineerin...