We are looking for an experienced Java AWS Developer to design, develop, and maintain scalable, high-performance backend applications and cloud-native microservices.

The ideal candidate should have robust hands-on experience in Core Java, multithreading, concurrency, Spring Boot, microservices, REST APIs, SQL databases, and AWS . The role involves developing reliable backend services, implementing concurrent processing, integrating messaging systems, supporting CI/CD deployments, and resolving application performance and production issues.

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 setting.

Mandatory Skills:
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

Positive-to-Have Skills:
AWS services such as 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

📌 Java Aws Developer Hyderabad (India)
🏢 Zensar Technologies
📍 India