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
- Engineering Excellence
- Document architecture and technical decisions
- Support incident response and system improvements
- Collaborate with DevOps on CI/CD and platform reliability
Required Skills
- Backend & Frameworks
- Kotlin (4+ yrs) & Java/JVM
- Spring Boot, Spring Batch, Spring Security
- Strong concurrency & multithreading knowledge
- Database & Cloud
- DynamoDB experience & NoSQL data modeling
- AWS cloud-native architectures
- Understanding of distributed systems & eventual consistency
- Tools & Testing
- Git, Gradle, IntelliJ
- JUnit, Mockito, performance testing
- Advanced debugging skills
- Good to Have: React + TypeScript, Redux, Material-UI
Experience
- 6+ years software development experience
- 4+ years Kotlin/Java backend development
- Experience with microservices & high-volume batch processing
- Experience in secure or regulated environments is a plus
- AWS certification is advantageous
- Technology Stack
- Backend: Kotlin, Spring Boot, JVM
- Cloud: AWS, ECS Fargate, DynamoDB, SNS/SES/EventBridge
- DevOps: CodePipeline, CloudWatch, Git
- Frontend (optional): React, TypeScript
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