Java AWS Developer

Key Responsibilities

• Design and develop backend applications using Core Java and Spring Boot.
• Implement multithreading and concurrency for high-volume applications.
• Build scalable microservices and RESTful APIs.
• Deploy, monitor, and support applications on AWS.
• Troubleshoot thread-safety issues, race conditions, deadlocks, and performance bottlenecks.
• Develop persistence layers using Spring Data JPA and Hibernate.
• Work with relational databases such as MySQL, PostgreSQL, or Oracle.
• Implement event-driven communication using Apache Kafka or RabbitMQ.
• Write unit tests using JUnit and Mockito.
• Implement API security using Spring Security, JWT, or OAuth2.
• Support build and deployment pipelines using Git, Maven, Jenkins, and CI/CD tools.
• Perform code reviews and follow clean coding, design patterns, and SOLID principles.
• Collaborate with QA, DevOps, and engineering teams in an Agile environment.

Requirements & Tech Stack

• Core Java 8+
• Multithreading and concurrency
• Spring Boot and Spring MVC
• Microservices architecture
• REST API development
• Hands-on AWS experience
• Spring Data JPA and Hibernate
• SQL and relational databases
• Kafka or RabbitMQ
• JUnit and Mockito
• Git, Maven, Jenkins, and CI/CD
• Production support and application troubleshooting

Good-to-Have Skills

• AWS services: EC2, ECS/EKS, Lambda, S3, RDS, IAM, CloudWatch, API Gateway, SNS, and SQS
• Docker and Kubernetes
• Redis caching
• Spring Security, JWT, and OAuth2
• Swagger/OpenAPI
• SonarQube, Nexus, or Fortify
• JVM and application performance tuning
• Splunk or CloudWatch monitoring