Junior Java Developer - Backend System

Key Responsibilities

• Design, develop, and maintain backend systems using Java (Spring Boot).
• Architect and deploy cloud-native, serverless solutions on AWS using Lambda, S3, API Gateway, DynamoDB, EventBridge, and SQS.
• Implement and manage Infrastructure as Code (IaC) with AWS CDK or CloudFormation.
• Develop and maintain CI/CD pipelines using GitLab CI or Jenkins for automated deployments.
• Ensure high code quality through unit testing, integration testing, and contract testing (PACT).
• Collaborate with DevOps and integration teams to deliver seamless solutions.
• Take end-to-end ownership of assigned modules-from design to deployment and maintenance.
• Optimize performance, scalability, and reliability of backend services.
  

Must-Have Technical Skills

• Languages & Framework s : Java (Spring Boot)
• Build Tools : Maven, Gradle
• CI/CD : Jenkins pipelines (Groovy scripting preferred)
• Databases : MySQL, PostgreSQL, DynamoDB
• Cloud & Serverless : AWS Lambda, API Gateway, S3, DynamoDB, CloudFormation/CDK, EventBridge
• Testing : Jest, PACT / Contract Testing
• API Design : RESTful Services and Integrations
• Version Control : GitHub / GitLab
  

Additional Skills (Preferred)

• Proficiency with JavaScript is big plus.
• Experience with Boomi or similar iPaaS platforms.
• Familiarity with Vue.js or other frontend frameworks for basic integration understanding.
• Exposure to AI tools, APIs, or AI-driven workflows.
• Understanding of event-driven architecture (SNS, SQS, EventBridge).
• Proficiency with SQL / NoSQL databases such as MySQL, PostgreSQL, DynamoDB.
• Experience integrating and managing Kong API Gateway for routing, security, and observability.
• Knowledge of HashiCorp stack - Nomad (orchestration), Vault (secrets management), and Consul (service discovery).