Freelance Java Developer – Spring Framework & Apache Struts

We are looking for an experienced Freelance Java Developer with strong hands-on expertise in Java, Spring Framework, and Apache Struts to support the development, enhancement, maintenance, and modernization of enterprise web applications.

Key Responsibilities

• Develop and maintain enterprise applications using Java/J2EE.
• Work on applications built with Apache Struts 1 or Struts 2.
• Develop and enhance Struts Action classes, forms, interceptors, and configuration files.
• Build and maintain backend components using Spring Framework or Spring Boot.
• Develop and integrate REST and SOAP web services.
• Troubleshoot production issues, defects, performance problems, and application failures.
• Work with JSP, Servlets, Hibernate/JPA, JDBC, and relational databases.
• Participate in requirement analysis, technical design, development, testing, and deployment.
• Support modernization or migration of legacy Struts applications to Spring MVC or Spring Boot.
• Collaborate with business analysts, QA teams, architects, and other developers.
• Prepare technical documentation and participate in code reviews.

Mandatory Skills

• Strong experience in Core Java and Java/J2EE.
• Hands-on experience with Apache Struts 1 or Struts 2.
• Experience with:
• Struts Action classes
• ActionForm or ActionSupport
• struts-config.xml or struts.xml
• Interceptors, ValueStack, or OGNL
• Strong knowledge of Spring Framework, Spring MVC, or Spring Boot.
• Experience with JSP, Servlets, Hibernate/JPA, and JDBC.
• Experience developing RESTful or SOAP web services.
• Strong SQL knowledge with Oracle, MySQL, PostgreSQL, or similar databases.
• Experience with Maven or Gradle.
• Familiarity with Git, Jenkins, CI/CD, and Agile delivery.
• Strong debugging and production-support skills.

Good to Have

• Experience migrating applications from Struts to Spring Boot.
• Knowledge of Spring Security.
• Experience with Tomcat, WebLogic, or WebSphere.
• Exposure to microservices and cloud platforms.
• Experience in banking, insurance, telecom, retail, or other enterprise domains.