Java - Lead
- Iris Software
- 8 - 9 years
- Noida, Gurugram
- 4 days ago
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Job Description
Key Responsibilities
Design and develop RESTful APIs and microservices using Java and Spring Boot
Build scalable, high-performance backend systems following clean architecture principles
Implement event-driven solutions using Apache Kafka producers, consumers, stream processing
Design and optimize database schemas and queries in PostgreSQL
Write comprehensive tests at multiple levels:
Unit tests using JUnit 5, Mockito
Component/Integration tests using Spring Test, Testcontainers
Black box/Functional tests for end-to-end API validation
Ensure high code coverage and maintain testing best practices (TDD/BDD)
Optimize application performance, memory management, and concurrency handling
Implement CI/CD pipelines for automated build, test, and deployment Troubleshoot and debug complex production issues
Collaborate with cross-functional teams including frontend developers, DevOps, and QA engineers
Document APIs using OpenAPI/Swagger specifications Required Skills & Qualifications
8-9 years of hands-on Java development experience (no management responsibilities required)
Bachelor's degree in Computer Science, Engineering, or equivalent practical experience
Expert-level Java Core Java, Java 11/17+, Collections, Streams, Concurrency, Multithreading
Advanced Java concepts JVM internals, garbage collection tuning, memory management, profiling
Strong Spring ecosystem experience Spring Boot, Spring MVC, Spring Data JPA, Spring Security, Spring Cloud
Hands-on Apache Kafka experience topic design, partitioning, consumer groups, Kafka Streams, exactly-once semantics
Strong PostgreSQL skills schema design, indexing strategies, query optimization, stored procedures, database migrations (Flyway/Liquibase)
Comprehensive testing expertise:
Unit testing with JUnit 5, Mockito, AssertJ
Component/Integration testing with Spring Test, Testcontainers, WireMock
Black box/API testing with REST Assured, Postman, Cucumber
Experience with ORM frameworks Hibernate, JPA
Proficiency in RESTful API design best practices, versioning, error handling, HATEOAS
Strong understanding of design patterns, SOLID principles, and clean code practices
Experience with Git, branching strategies, code reviews, and pull request workflows
Familiarity with CI/CD tools Jenkins, GitHub Actions, GitLab CI
Understanding of containerization with Docker
Exposure to cloud platforms AWS (ECS, RDS, MSK)
Nice to Have (Preferred)
Experience with Kubernetes for container orchestration
Familiarity with reactive programming Spring WebFlux, Project Reactor
Exposure to cloud platforms AWS (ECS, RDS, MSK) or Azure
Knowledge of GraphQL APIs
Experience with API Gateway patterns (Kong, AWS API Gateway)
Familiarity with monitoring and observability Prometheus, Grafana, ELK Stack, Jaeger
Exposure to message queues beyond Kafka (RabbitMQ, ActiveMQ)
Experience with performance testing tools (JMeter, Gatling)
Background in financial services or regulated industries
Knowledge of security best practices OAuth2, JWT, API security
Job Classification
Industry: IT Services & ConsultingFunctional Area / Department: Engineering - Software & QARole Category: Software DevelopmentRole: Technical ArchitectEmployement Type: Full timeContact Details:
Company: Iris SoftwareLocation(s): Noida, Gurugram
Keyskills: microservices spring boot java multithreading aws kubernetes Hibernate Postgresql Restful API Github Actions docker grafana stakeholder management devops kafka jenkins splunk terraform Rest assured Postman architecture
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