Senior Java Back End Developer

As a Senior Java Engineer/Developer, you will utilize your deep technical expertise and leadership skills to contribute to architecture, development, code quality, and team guidance. Your responsibilities will include collaborating with cross-functional teams to design and construct enterprise-grade backend solutions, mentoring junior team members, and spearheading key technical initiatives. You will be tasked with performance optimization by profiling applications, troubleshooting performance bottlenecks, and tuning systems across various tiers. Additionally, you will implement and enhance CI/CD pipelines, deployment automation, and infrastructure-as-code practices. Your role will involve close collaboration with QA, DevOps, and Product teams to ensure successful delivery. To excel in this role, you must possess the following technical expertise in core technologies: - Java Backend - J2EE: Demonstrated 8-9 years of hands-on Java Architecture expertise. - Java (11 or higher): Strong understanding of OOP, multithreading, collections, and memory management. - J2EE Technologies: Proficiency in Servlets, JSP, EJB, JDBC, JMS, and JNDI. - Spring Ecosystem: Experience with Spring Boot, Spring Core, Spring MVC, and Spring Security. - Web Services: Familiarity with REST (JAX-RS) and SOAP (JAX-WS). - ORM Frameworks: Knowledge of Hibernate and JPA. - Messaging: Exposure to JMS, Kafka, or ActiveMQ. - Microservices: Design and implementation of containerized microservices using Spring Boot. In the DevOps & Infrastructure domain, you will work with tools and practices such as: - CI/CD: Jenkins, GitHub Actions, Harness, Tekton, Bitbucket Pipelines. - IaC & Configuration Management: Terraform, Ansible. - Containerization & Deployment: Docker, OpenShift, ECS. - Secrets Management: Utilization of HashiCorp Vault. You will also be responsible for build, code quality, and security aspects, including: - Build Tools: Maven, Gradle. - Code Quality & Security: SonarQube, BlackDuck, and adherence to secure coding practices. - Version Control: Proficiency in Git with a strong understanding of branching and CI workflows. Database & Storage expertise includes: - Relational Databases: Oracle, PostgreSQL, MySQL. - SQL: Ability to write complex queries, perform performance tuning, and implement indexing. Your testing and automation skills should cover: - Unit Testing: JUnit, Mockito. - Integration Testing: REST Assured, Postman, or equivalent tools. Preferred skills for this role include: - Familiarity with API documentation standards such as Swagger/OpenAPI. - Authentication/Authorization knowledge: OAuth2, JWT, LDAP. - Exposure to modern front-end frameworks like React and Angular. - Working knowledge of application servers like WebLogic, JBoss, Tomcat. - Experience in regulated domains like finance, healthcare, or telecom. - Familiarity with Agile/Scrum methodology.,