G05 - Backend Engineer

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

Originally posted on Himalayas