Java AWS Developer

Zensar Technologies; Hyderabad; Sur place; INR 1 500 000 - 2 100 000; Plein temps

Résumé du poste

Zensar Technologies in Hyderabad is seeking an experienced Java AWS Developer to design, develop, and maintain scalable backend applications and cloud-native microservices. You will work on Core Java, Spring Boot, and AWS, building high-performance services and REST APIs.

You will implement multithreading, optimize performance, ensure reliable CI/CD deployments, and collaborate with QA and DevOps in an Agile environment.

Qualifications

• Strong hands-on experience in Core Java, multithreading, and concurrency.
• Proficient in Spring Boot, Spring MVC, and microservices architecture.
• Experience with AWS, CI/CD, and RDBMS.

Responsabilités

• Design and develop backend applications using Core Java and Spring Boot.
• Implement multithreading and concurrency for high-volume apps.
• Build scalable microservices and RESTful APIs.
• Deploy, monitor, and support on AWS.
• Troubleshoot thread-safety issues and performance bottlenecks.
• Develop persistence with Spring Data JPA and Hibernate.
• Work with MySQL, PostgreSQL, or Oracle.
• Implement event-driven messaging with Kafka or RabbitMQ.
• Write unit tests with JUnit and Mockito.
• Apply API security with Spring Security, JWT, or OAuth2.
• Support CI/CD pipelines with Git, Maven, Jenkins.
• Code reviews and follow SOLID principles.
• Collaborate with QA, DevOps, and engineering in Agile.

Connaissances

Multithreading & concurrency

Spring Boot

AWS

Spring Data JPA

Hibernate

SQL databases

Kafka

RabbitMQ

JUnit

Mockito

CI/CD

Git

Maven

Jenkins

Production support

Outils

Git

Maven

Jenkins

Description du poste

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 strong 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 environment.

Mandatory Skills:

• Multithreading and concurrency
• Spring Boot and Spring MVC
• 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 such as EC2, ECS/EKS, Lambda, S3, RDS, IAM, CloudWatch, API Gateway, SNS, and SQS