Java Backend developer

Experience : 4-6 years

Must have : Responsibilities and Qualifications:

 Project Management: Create architecture diagrams, manage connection pooling, ensure

security, and handle app/web server configurations. Implement logging and monitoring

solutions.

 OOPS Concepts: Apply principles of overloading, overriding, inheritance, polymorphism,

encapsulation, abstraction, object memory model, exception handling, and keywords

(static, final, this). Manage garbage collection.

 Java 8 and Above: Utilize Stream API, lambda functions, modules, collectors, functional

interfaces, optional keyword, list, set, map, comparable and comparator, and serialization.

 Spring Framework: Create new applications, implement dependency injection (types),

AOP, and use stereotype annotations.

 Microservice Architecture: Follow REST standards (verbs and resources), develop

REST controllers, services, repositories, handle exception management, use API

accessing tools (SOAP UI or POSTMAN), manage API gateway, and document APIs

using Swagger/Open API.

 Application Security: Implement authentication (Basic Auth, JWT, OAuth2),

authorization, and manage public/private keys.

 Junit/Mockito: Write unit tests using Junit4/Junit Jupiter and Mockito framework.

 Problem Solving: Write code using Stream API and lambda functions, and solve basic

data structure and algorithm-based questions.

 Clean Code Concepts: Apply design patterns, SOLID design principles, KISS, DRY, and

YAGNI.

Good to have :

 Cloud Skills: Experience with AWS, Azure, GCP, or Pivotal Cloud Foundry.

 AWS Services: Familiarity with VPC, EC2, ALB, Lambda, DynamoDB, RDS, IAM, S3,

API Gateway, Fargate, CloudWatch, Route53.

 Containers: Proficiency with Docker and Kubernetes.

 Infrastructure as Code (IaaC): Knowledge of Terraform, CloudFormation, SAM, or CDK.

 Frontend Frameworks: Experience with React, Angular, or Vue.

 CSS Frameworks: Proficiency with Bootstrap or SCCS.

 DevOps Tools: Knowledge of Jenkins, UrbanCode, GitHub, Git, Confluence, Jira, AWS

CI/CD.

 Multithreading Concepts: Understanding of Runnable, Callable, Executor framework,

CompletableFuture.

 ORM (JPA/Hibernate): Experience with Hikari Config, DB connection, DB connection

pool, entity relationships (One to One, One to Many, Many to One, Many to Many),

transactional management, composite key.

 Basic Frontend Skills: Proficiency in HTML, CSS, JavaScript.

Benefits

Work with one of the Big 4's in India