Design, develop, test, and maintain scalable Java full-stack enterprise applications. Build Spring Boot microservices, REST APIs, and React or Angular interfaces; work with SQL and NoSQL databases; implement security and testing; troubleshoot performance and production issues; and collaborate across technical teams. Participate in code reviews, Agile ceremonies, CI/CD workflows, application releases, and ongoing maintenance.
This is a remote position.
Project Description
Cognizant is seeking an experienced Java Full Stack Engineer to design, develop, test, and maintain scalable enterprise applications. The ideal candidate will have strong hands-on experience in Java-based backend development, modern frontend frameworks, REST APIs, database technologies, and cloud-based application environments.
Responsibilities
- Design, develop, and maintain full-stack applications using Java and modern frontend technologies.
- Develop backend services and microservices using Java, Spring Boot, and Spring Framework.
- Build responsive user interfaces using React or Angular, JavaScript, TypeScript, HTML, and CSS.
- Design, develop, and integrate RESTful APIs and enterprise application services.
- Work with relational and NoSQL databases to develop efficient queries and data-access layers.
- Implement application security, authentication, authorization, and error-handling mechanisms.
- Write unit tests, perform integration testing, troubleshoot defects, and improve application performance.
- Collaborate with architects, business analysts, QA engineers, DevOps engineers, and other developers.
- Participate in code reviews, technical design discussions, Agile ceremonies, and continuous improvement activities.
- Use Git and CI/CD pipelines to support version control, automated builds, testing, and deployments.
- Support application releases, production troubleshooting, and ongoing maintenance.
Requirements
Mandatory Requirements
- Strong hands-on experience in Java development and object-oriented programming.
- Experience with Spring Boot, Spring MVC, and RESTful web services.
- Experience building frontend applications using React or Angular.
- Proficiency in JavaScript or TypeScript, HTML, and CSS.
- Experience developing and integrating APIs and microservices.
- Knowledge of SQL and relational databases such as PostgreSQL, Oracle, or MySQL.
- Experience with unit testing frameworks such as JUnit and Mockito.
- Familiarity with Git, Agile/Scrum, debugging, and software development best practices.
Preferred Skills
- Experience with cloud platforms such as AWS, Azure, or GCP.
- Exposure to Docker, Kubernetes, Jenkins, or other CI/CD tools.
- Experience with Kafka or other messaging technologies.
- Knowledge of NoSQL databases such as MongoDB or DynamoDB.
- Familiarity with application monitoring, performance tuning, and secure coding practices.
- Experience with automated testing and enterprise application deployments.
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