Java Technical Lead - Spring / Microservices Architecture

Key Responsibilities :

• Independently develop and maintain REST APIs or services using Java 11 / 17 with solid OOP practices, memory management, and concurrency constructs.
• Implement end-to-end Spring Boot microservices, including dependency injection, controller / repository separation, exception handling, and request lifecycle management.
• Write and optimize complex SQL queries in Oracle, including joins, subqueries, indexes, and performance tuning for large datasets (10M+ rows).
• Develop REST endpoints following HTTP standards, proper status codes, error schemas, and security headers (CORS, auth tokens).
• Write unit and integration tests using JUnit 5 and Mockito, ensuring at least 70% test coverage and isolated testability.
• Configure and manage CI / CD pipelines using Jenkins and project builds via Gradle or Maven.
• Integrate structured logging using Log4j or SLF4J and trace / debug issues using correlation IDs.
• Use Git for version control, handling branching, merges, and conflict resolution, and leverage IntelliJ IDEA for debugging, stack trace analysis, and thread dump navigation.
• Collaborate with cross-functional teams in Agile environments using Jira and Confluence, participating in sprint planning, backlog grooming, and Skills :
• Hands-on development experience in Java 11 / 17 for REST APIs and backend services.
• End-to-end Spring Boot microservice development experience, including dependency injection, controller / repository layers, and exception handling.
• Strong Oracle SQL expertise with query optimization for large datasets.
• Proven experience in REST API design, implementation, and versioning with proper error handling and security headers.
• Unit and integration testing experience using JUnit 5 and Mockito.
• CI / CD pipeline configuration and management with Jenkins, Gradle, or Maven.
• Structured logging and debugging using Log4j / SLF4J and IntelliJ IDEA.
• Git version control fluency, including branching, merging, and conflict resolution.
• Strong collaboration skills in Agile Skills :
• Familiarity with monitoring tools like Splunk or ELK for log analysis and performance tracking.
• Practical experience with messaging systems like Kafka, IBM MQ, or Solace.
• Exposure to automated deployment pipelines using Harness.

(ref : hirist.tech)