Java Software Engineer

Job Title: Java Developer

Experience: 5+ years

Location: Gurugram (Hybrid)

Role Overview

Java Developer 5+ years

Key Responsibilities

1. Backend Development

• Design, develop, and enhance scalable backend services using

  Java 8+ and Spring Boot

  .
• Build secure, high-quality

  RESTful APIs

  with proper input validation, exception handling, and authentication/authorization mechanisms.
• Ensure best practices in API design, logging, error responses, and versioning.

2. Microservices Architecture

• Develop microservices using Spring Boot adhering to industry best practices.
• Implement service discovery, configuration management, and session management.
• Apply resiliency patterns like

  circuit breaker

  ,

  retry

  ,

  bulkhead

  , and

  asynchronous messaging

  .
• Build modular, fault-tolerant, and performance-optimized services.

3. Database Development

• Work with relational and NoSQL databases such as

  MySQL, PostgreSQL, Oracle, MongoDB

  .
• Author optimized SQL queries, manage transactions, tuning, indexing, and schema design.
• Use

  Hibernate/JPA

  for ORM-based data access.

4. Code Quality & Reviews

• Write clean, modular, maintainable code using

  OOP

  ,

  SOLID

  , and

  design patterns

  .
• Conduct peer code reviews and actively participate in architecture discussions.
• Ensure consistent code quality by following coding standards and best practices.

5. Cloud & DevOps Collaboration

• Deploy, monitor, and maintain backend services on

  AWS

  (S3, EC2, RDS, IAM, CloudWatch).
• Work closely with DevOps teams on

  CI/CD pipelines

  , automated deployments, and

  Docker

  containerization.
• Troubleshoot cloud infrastructure and performance issues.

6. Testing & Quality Assurance

• Write robust unit tests using

  JUnit

  and

  Mockito

  , ensuring high coverage.
• Support integration testing, environment debugging, and cross-service issue resolution.
• Use automated testing frameworks and tools for faster delivery.

7. Service Virtualization & Integrations

• Use

  WireMock

  ,

  MockServer

  , or similar tools to simulate and virtualize dependent services.
• Work on third-party API integrations, event-driven interactions, and distributed workflows.

Required Skills (Primary)

Core Java (8+)

• Strong understanding of OOP, Collections, Streams, Lambdas.
• Exposure to modern Java features (11/17/21):
• switch expressions, var keyword, records, pattern matching, virtual threads.

Spring Boot & Spring Framework

• Expertise in

  Spring Web

  ,

  Spring Data JPA

  ,

  Spring Security

  , validation frameworks.
• Strong knowledge of annotations, lifecycle, and configuration management.

REST API Development

• Deep understanding of API design:
• pagination, versioning, idempotency, rate limiting.
• Experience with API documentation tools like

  Swagger/OpenAPI

  .

Microservices

• Strong understanding of distributed systems, async messaging, service registries.
• Hands-on experience with logging, tracing & monitoring tools (ELK, Prometheus, Loki, Grafana).

Databases

• Excellent SQL skills with experience in schema design, indexing, query optimization.
• Strong experience with

  JPA/Hibernate

  .

Hands-on Coding Ability

• Capable of independently designing, developing, debugging, testing, and deploying backend features end-to-end.

Secondary Skills (Good to Have)

Cloud – AWS

• EC2, S3, RDS, IAM, CloudWatch, Lambda, ECS/EKS.

DevOps

• CI/CD tools: Jenkins, GitLab CI, GitHub Actions.
• Docker containerization experience.

Kafka

• Understanding of topics, partitions, consumers/producers, offset handling.
• Experience with event-driven architecture.

Unit Testing

• JUnit, Mockito, Testcontainers, TDD/BDD exposure.

Service Virtualization

• WireMock, MockServer, or equivalent tools.

Soft Skills

• Strong analytical and problem-solving skills.
• Ability to work collaboratively in

  Agile/Scrum

  teams.
• Excellent communication, documentation, and cross-functional coordination skills.
• High ownership mindset with willingness to explore and master new technologies.