Senior Java Developer Expert

7 days ago

Gurgaon, Haryana, India 1HResource Solutions Full time
Key Responsibilities

As a Senior Java Developer at 1HResource Solutions, you will be responsible for designing and implementing robust Java applications using the latest technologies and best practices.

Core Java Skills

  • Familiarity with Java 8 and 11 features, including Lambdas, Streams API, and the new Date/Time API for improved data handling and functional programming.
  • Understanding of local-variable syntax for lambda parameters, improvements in performance, and removal of deprecated features.
  • Knowledge 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).
  • Spring Framework expertise, including Spring Boot for creating stand-alone applications with minimal configuration and Spring Initializr for project setup.
  • 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.
  • Proficient in writing complex SQL queries, understanding joins, indexes, and database optimization techniques for relational databases.
  • Familiarity with version control systems like Git, including branching, merging, and collaboration workflows.

Why Join us

We are looking for a skilled and experienced Java developer to join our team at 1HResource Solutions. As a Senior Java Developer, you will have the opportunity to work on challenging projects, collaborate with a talented team, and contribute to the growth and success of our company.

Requirements

• Proficiency in Java 8 and 11

• Experience with Spring Framework

• Knowledge of Hibernate and ORM

• Familiarity with Docker and Kubernetes

• Understanding of Java concurrency utilities

• Proficiency in SQL and version control systems

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