Java Developer

Roles and Responsibilities:

• Design, develop, and maintain Java-based enterprise applications using Java 8/11/17+, Spring Boot, and Microservices.
• Develop and integrate RESTful APIs and backend services.
• Design and implement scalable, highly available applications on AWS.
• Work with AWS services such as EC2, S3, Lambda, RDS, DynamoDB, SQS/SNS, API Gateway, IAM, and CloudWatch.
• Develop and maintain microservices architecture and ensure reliable inter-service communication.
• Design database schemas, write optimized SQL queries, and work with relational/non-relational databases.
• Implement CI/CD pipelines using Jenkins, GitHub Actions, AWS CodePipeline, or similar tools.
• Containerize applications using Docker and deploy/manage workloads using Kubernetes/EKS.
• Implement application security using AWS IAM, authentication, authorization, and secure API practices.
• Monitor application performance and troubleshoot production issues using CloudWatch and centralized logging tools.
• Perform code reviews, identify performance bottlenecks, and ensure adherence to coding standards.
• Write unit and integration tests using JUnit, Mockito, and relevant testing frameworks.
• Collaborate with business analysts, architects, DevOps engineers, QA teams, and other developers.
• Participate in requirement analysis, technical design, estimation, development, testing, deployment, and production support.
• Identify opportunities for cloud migration, automation, performance improvement, and cost optimization.
• Follow Agile/Scrum methodologies, participate in sprint planning, daily stand-ups, reviews, and retrospectives.
• Mentor junior developers and provide technical guidance on Java, Spring Boot, Microservices, and AWS.
• Prepare technical documentation and contribute to architecture and design decisions.

Must have skills:

• Strong proficiency in Java 8/11/17+.
• Strong experience with Spring Boot, Spring MVC, Spring Security.
• Hands-on experience developing Microservices and REST APIs.
• Strong experience with AWS cloud services, especially:
• EC2
• S3
• Lambda
• RDS
• SQS/SNS
• API Gateway
• IAM
• CloudWatch
• Good knowledge of AWS architecture, deployment, monitoring, and troubleshooting.
• Strong experience with SQL databases Oracle, MySQL, or PostgreSQL.
• Experience with Docker and Kubernetes/EKS.
• Hands-on experience with CI/CD tools such as Jenkins, GitHub Actions, or AWS CodePipeline.
• Strong knowledge of Git and version control.
• Experience with JUnit and Mockito for unit testing.
• Good understanding of microservices architecture, design patterns, multithreading, and performance optimization.
• Experience with Kafka or other messaging systems.
• Strong understanding of Agile/Scrum methodology.
• Good communication, problem-solving, and production troubleshooting skills.
• Experience working in high-volume, scalable, and cloud-based applications.