J2EE Jobs
J2EE, or Java Enterprise Edition, is an incredibly popular platform used to help create complex web-based applications. It’s a combination of the Java 2 Platform, Enterprise Edition and web servers like Apache Tomcat and Sun Java System. Its scalability makes it especially popular for large applications that need to serve a lot of clients. A J2EE Developer is a programmer who specializes in this specific platform, and can create powerful applications that are tailor-made for a client’s needs.
Here's some projects that our expert J2EE Developers made real:
- Creating compelling user interfaces with frameworks like Spring Boot and Primefaces
- Adding microservices to mini projects
- Expertise in deploying applications on cloud services like IBM Cloud
- Applying Node.js technologies to existing JAVA projects
- Developing web applications with Hibernate, JPA and other Java tools
At Freelancer.com our experts have used their combined knowledge of Java Enterprise Edition to help clients create powerful applications that meet their individual requirements. If you're looking for a custom solution for your web application look no further - the skilled J2EE Developers available on our platform can make it happen. Post your own project on Freelancer.com today and hire an expert J2EE Developer to take your application to the next level.
From 40,679 reviews, clients rate our J2EE Developers 4.82 out of 5 stars.Hire J2EE Developers
I'm seeking a skilled Java Spring Boot developer to refine and extend existing code with MQTT integration. Key requirements: - Fixing issues with code execution, incomplete functionality, and performance. - Incorporating Influx library into the codebase. - Enable automatic messaging to multiple MQTT topics, following specific logic. - Tracking and managing duplicates based on both time and counters, and taking action accordingly. Ideal skills for this project: - Proficiency in Java, Spring Boot, and MQTT. - Knowledge of working with libraries, specifically Influx. - Experience with time series data and counter management. - Previous projects involving MQTT topic management. - Strong understanding of code optimization. I'm open to having a web service conversation for further ...
This is an assignment with 5 stages that 2/5 are done and Half of the remaining stages are done as well I want someone to help me finish it and the projects has a guidline and some libraries limitations plus an inbuilt automarker
I'm looking for an experienced Java developer to help me with my test cases. The primary focus of these tests is Integration testing for multiple components. Ideal skills and experiences: - Java programming - Expertise in Mockito/Power Mockito - Experience in integration testing - Ability to work with existing test cases and refactor them.
I need to implement Spring Security in my new Struts application, similar to how it was set up in my previous system. Key Requirements: - The previous application had User Authorization and Role-based Access Control. This needs to be replicated in the new application. - The following user roles were present in the old system and need to be retained: - Admin - Manager - Regular User - View - Each role had specific actions or permissions: - Admin: Full access (Create, Read, Update, Delete) - Manager: Full access (Create, Read, Update, Delete) - Regular User: Full access (Create, Read, Update, Delete) - View: View Only access Ideal Skills: - Strong experience with Spring Security. - Proficiency in Struts framework. - Understanding of Role-based Access Control. - Ability to ...
I need help with writing 3 Java test cases focusing on functionality using JUnit. These test cases need to include mock objects.
I'm new to automation testing but have some basic knowledge that I'd like to expand. My primary goal is to learn Automation with BDD, Serenity framework, and Rest Assured to implement it in an API testing project at work. Key Requirements: - Experience in Java, BDD, Serenity framework, and Rest Assured - Able to guide and teach on: - Understanding an automation project - Creating and executing tests - Reporting - GIT Integration The project is centered around API testing, so any specific experience here is a plus. I'm looking for a patient, experienced professional who can help me grasp the fundamentals and guide me through the intricacies of implementing automation with the mentioned frameworks. There are existing scripts in place which I need to understand and a...
Overview: We are looking for an experienced Java developer to refactor an existing code base to incorporate several design patterns and improve overall code quality. This project involves enhancing the structure and maintainability of the code by integrating various design patterns, such as Dependency Injection (DI) using Google Guice, Listener, Builder, Singleton, and, optionally, Factory design patterns. The ideal candidate should understand these patterns strongly and have experience refactoring legacy code. Key Responsibilities: 1. Refactor Service Classes with DI Pattern: - Utilize Google Guice API to implement Dependency Injection across all service classes. - Ensure that all dependencies are injected and managed by the Guice framework. 2. Apply Listener Design Pattern: - ...
I'm looking for an experienced Java developer who can integrate a cloud-based database into my project. Ideal Skills: - Strong proficiency in Java - Prior experience with database integration - Specifically, experience with cloud-based databases, Microsoft Azure in particular, is a big plus The Project: - Your primary task will be to integrate Microsoft Azure, a cloud-based database, into an existing Java project. - The project already has a well-defined structure and the database will serve as a key component. - The database integration should be secure, efficient, and scalable, meeting the highest standards. - There will be no need for user authentication or API integration, as this project is solely focused on database integration. Please only apply if you have good experienc...
I'm in need of a proficient Java Spring Boot developer with an in-depth understanding of API integration. Key tasks: - Implementing API Integration into an existing Java Spring Boot project I require a developer who has: - Extensive experience in Java Spring Boot - Excellent understanding and previous experience with third-party API integration Please note, specific third-party APIs to integrate haven't been decided yet, so I need your expert advice on the best APIs to use for most effective results.