Senior Java Developer

3 weeks ago

GurgaonGurugram, IN 1HResource Solutions Full time

Core Java Skills :

1. Java 8 and 11 :

- Features of Java 8: Familiarity with Lambdas, Streams API, and the new Date/Time API for improved data handling and functional programming.

- Java 11 Enhancements: Understanding of local-variable syntax for lambda parameters, improvements in performance, and removal of deprecated features.

2. Microservices :

- Understanding of building and deploying microservices that are independent and can be scaled individually.

- Experience with service discovery, API gateways, and inter-service communication (using REST or messaging systems like Kafka).

3. Spring Framework :

- Spring Boot: Knowledge of creating stand-alone applications with minimal configuration, including auto-configuration and Spring Initializr for project setup.

4. Spring MVC : Building web applications and RESTful APIs using controllers, views, and models.


Requirements :


- Proficiency in using Hibernate for ORM (Object-Relational Mapping) to manage database operations, including entity mapping, HQL (Hibernate Query Language), and caching strategies.

- Writing unit tests using JUnit for effective test-driven development (TDD) and ensuring code quality.

- Familiarity with mocking frameworks like Mockito to test components in isolation.

- Understanding of creating and managing containers for applications, including writing Dockerfiles, managing images, and using Docker Compose for multi-container setups.

- Knowledge of deploying and managing containerized applications in a Kubernetes cluster, including pod management, services, and scaling applications.

- Understanding of Java concurrency utilities (e.g. , ExecutorService, Future, CountDownLatch) and principles for writing thread-safe code.

- Proficiency in common data structures like HashMap, arrays, linked lists, stacks, and queues, with an emphasis on their use cases and efficiency.

- Ability to solve algorithmic problems and implement efficient algorithms for searching, sorting, and traversing data.

- Experience designing and implementing well-structured RESTful APIs, including proper use of HTTP methods (GET, POST, PUT, DELETE), status codes, and API documentation using Swagger/OpenAPI.

- Familiarity with common design patterns (Singleton, Factory, Observer, etc.) and their application in creating maintainable and scalable code.

- Understanding of using Apache Kafka for building real-time data pipelines and streaming applications, including concepts like producers, consumers, topics, and message brokers.

- Experience working in agile environments, collaborating with cross-functional teams including design, product management, and quality assurance to ensure alignment on project goals and deliverables.

SQL : Proficient in writing complex SQL queries, understanding joins, indexes, and database optimization techniques for relational databases.

Version Control : Familiarity with version control systems like Git, including branching, merging, and collaboration workflows

(ref:hirist.tech)

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