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.

De 39,340 opiniones, los clientes califican nuestro J2EE Developers 4.84 de un total de 5 estrellas.
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    14 trabajados encontrados, precios en USD

    As the project manager, I'm seeking a proficient software developer to build a web application using Java, Angular, and AWS. This application, at its core, should prioritize top-notch user authentication. Requirements and Features: - Develop a web application using the Java language, Angular framework, and AWS as the cloud platform. - Implement an effective user authentication system. This is critical to ensure secure access control and protect user data. Ideal Skills and Experience: - Extensive experience in Java, Angular, and AWS. - Proven track record in implementing robust user authentication systems. - Knowledge of best practices concerning web application security. - Strong attention to detail and commitment to user privacy and data protection. Finding an ex...

    $1286 (Avg Bid)
    $1286 Oferta promedio
    99 ofertas
    Urgent Spring Boot 2 to 3 Upgrade 6 días left
    VERIFICADO

    I urgently require an experienced Java Spring Boot developer to assist with upgrading my Spring Boot 2 project to Spring Boot 3. The main objectives for this upgrade are: - Improving system performance. - Ensuring compatibility with newer libraries. Specific time and library compatibility considerations are: - The project completion time is ASAP. - If there are any libraries or frameworks your proposal relies on, please clarify in your bid, as the existing dependencies weren't specified. Ideal skills and expertise: Java, Spring boot - Proven experience in Java Spring Boot development. - Previous experience with upgrading Spring Boot versions. - Excellent problem-solving skills. - Strong communication and timely delivery. Let's speed up the performance and stay current ...

    $156 (Avg Bid)
    $156 Oferta promedio
    35 ofertas

    Join Our Team as a Java Developer! Are you passionate about crafting cutting-edge software solutions? MedXview, a leading provider of software solutions specializing in cloud architecture, Artificial Intelligence & Machine Learning, Data Analysis, and emerging technologies, is seeking a talented Java Developer to join our dynamic team. As a Java Developer, you will play a pivotal role in software development and Document Management system design, leveraging your expertise in Java and the strust Framework to deliver scalable, high-performance applications. About MedXview: At MedXview, we're dedicated to empowering businesses with innovative technology solutions. From optimizing document management to enhancing business processes, our goal is to drive productivity and mitig...

    $6607 (Avg Bid)
    $6607 Oferta promedio
    62 ofertas
    Java Developer for Program Revival 4 días left
    VERIFICADO

    I am seeking an experienced Java developer to delve into a program constructed previously that is currently inactive. Key responsibilities include preparing an exhaustive procedures manual incorporating guidelines for installation, instructions for usage, and steps for troubleshooting. There is potential for this endeavor to extend into reactivating the program. Maintainance services, specifically bug fixes, are also required. Aptitude in Java programming, software analysis, technical documentation, and software maintenance is ideal for this position.

    $829 (Avg Bid)
    $829 Oferta promedio
    14 ofertas

    I am seeking a Java expert with a comprehensive understanding of Spring Boot to provide non-specific assistance with my project. As I have not defined specific tasks, the ideal candidate should be experienced with: - Database integration - REST API implementation - UI development - User authentication and authorization - CRUD operations - Integration with third-party APIs A wide range of expertise is appreciated to be prepared for a diverse set of potential challenges.

    $12 / hr (Avg Bid)
    $12 / hr Oferta promedio
    26 ofertas

    I'm having an issue with my Spring web flow project. When I click on button controls, they're not responding as expected. Ideally, I want the buttons to trigger and activate a certain function in the system, specifically to start a process. To find a resolution for this, I need someone skilled in: - Java - Primefaces JSF - REST API. Your task will involve diagnosing, troubleshooting, and fixing the identified issues so the button controls perform their intended purpose effectively. Previous experience in handling similar tasks and a firm understanding of Spring web flow is a huge plus.

    $23 (Avg Bid)
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    15 ofertas

    Title: Java Developer for LIS Integration (Scrum/Agile) Location: Remote Job Type: Freelance/Contract About Us: We are a healthcare software company, specializing in Laboratory Information Systems (LIS) and Electronic Health Records (EHR) integration, committed to improving diagnostics, patient care, and data efficiency. Our development process is grounded in Scrum methodology, ensuring flexibility, rapid delivery, and continuous improvement. Job Description: We seek a Java Developer experienced in ASTM E1381-02 / CLSI LIS1, ASTM E1394-97 / CLSI LIS2, and HL7 standards for upgrading our LIS integration engine. This role requires a commitment to Scrum values and practices, enhancing data transfer between lab instruments, LIS, and EHR systems. Responsibilities: Upgrade our Java-based LI...

    $14 / hr (Avg Bid)
    $14 / hr Oferta promedio
    44 ofertas

    As part of an ongoing project, I'm in need of a Java professional who can assist with integrating Swagger UI into a Java WildFly 26 solution running on SDK 11. Key tasks will include: -Configure JBoss WildFly gor use in InteliJ IDE. - Installation and setup of the Swagger UI. - Configuring and customizing the Swagger UI to meet my specific needs. - Integrating the setup with existing APIs. Additional requirements include: - The implementation of security and authentication features. - Enabling dynamic documentation generation. The ideal candidate would have a proven track record in Java, experience with WildFly 26 and Swagger UI, and a familiarity with SDK 11. A strong understanding of security protocols and dynamic documentation generation is also crucial. The aim is to have thi...

    $25 (Avg Bid)
    $25 Oferta promedio
    10 ofertas

    I am an experienced developer who specializes in Kafka and Genesys system integration. The following is the tasks and main aim for this project: i) Deploy (Apache) Kafka on existing YTLC CES server and ensure it is compatible with the required Co-Browse version ii) Integrate Genesys Co browse to Kafka for it to send the Co-Browse Reporting Event to Kafka iii) Integrate Infomart to Kafka for it to extract data from the Kafka data stream and transforms it into the COBROWSE_FACTtable iv) To ensure / enable RAA to summarize and organizes the Info Martdata in ways that enable GI2 to extract meaning. v) To support required Custom Report template based on available reporting data field and ensure the required Co-browse reporting data appear in the GI2 Custome Report. vi) To ensure / enable GI2 u...

    $160 (Avg Bid)
    $160 Oferta promedio
    3 ofertas

    I am an experienced developer who specializes in Kafka and Genesys system integration. The following is the tasks and main aim for this project: i) Deploy (Apache) Kafka on existing YTLC CES server and ensure it is compatible with the required Co-Browse version ii) Integrate Genesys Co browse to Kafka for it to send the Co-Browse Reporting Event to Kafka iii) Integrate Infomart to Kafka for it to extract data from the Kafka data stream and transforms it into the COBROWSE_FACTtable iv) To ensure / enable RAA to summarize and organizes the Info Martdata in ways that enable GI2 to extract meaning. v) To support required Custom Report template based on available reporting data field and ensure the required Co-browse reporting data appear in the GI2 Custome Report. vi) To ensure / enable GI2 u...

    $45 (Avg Bid)
    $45 Oferta promedio
    2 ofertas

    In this project, I am facing Compilation errors and Build failures with my Maven project that needs troubleshooting. I need someone who has: - A good experience with Java and Maven - Special expertise in handling build failures - Demonstrable skill-set in troubleshooting Maven projects In your application, please highlight your expertise in easing out Compilation errors and most importantly, how you have dealt with and resolved build failures in the past. Relevant experience in tackling similar issues is crucial for this role. I am particularly interested in looking at past work where freelancers have successfully resolved build issues in a Maven project.

    $32 (Avg Bid)
    $32 Oferta promedio
    16 ofertas

    I'm currently experiencing problems with the manifest in my JAR file, and I would like a proficient Java developer to assist in solving these difficulties. Ideal Skills and Experience: • Proficiency in Java • Experience in debugging manifest file issues in JAR files Job Requirements: - Diagnose and resolve manifest file issues in the JAR file - Ensure smooth running and functioning of the JAR file post-resolution - Maintain the existing structure and functionality of the JAR file throughout the process What to Include in Your Application: Showcase your knowledge and experience with Java and working with JAR file manifest difficulties. Include instances of past work that demonstrate your ability to solve similar problems effectively.

    $58 (Avg Bid)
    $58 Oferta promedio
    18 ofertas
    Java developer 1 día left
    VERIFICADO

    Job Requirements: Managing the end-to-end life cycle to produce software and applications. Overseeing and guiding the analyzing, writing, building, and deployment of software. Overseeing the automated testing and providing feedback to management during the development process. Modifying and testing changes to previously developed programs. Skills and Qualifications: You are eager to shape the skills, minds, and trajectories of eager consultants. You are the person that love to teach and share knowledge with others. You are the person that can work with patience for questions come from consultants. You are the person that your colleagues naturally gravitate to when they are trying to figure something out. You have at least 2 years of experience in Application Development in Java and r...

    $21 / hr (Avg Bid)
    $21 / hr Oferta promedio
    97 ofertas

    I am looking for a seasoned backend developer with deep expertise in Java and Spring Boot. The main responsibilities will be: - Developing a scalable backend structure for data storage and retrieval. - Integrating APIs to streamline functionality. - Implementing robust user authentication protocols. Essential Technical Skills: - Proficiency in Java and deep understanding of Spring Boot is a prerequisite. - Demonstrable experience designing and developing REST APIs. - Proven capability in Microservices architecture. - Strong skillset in writing and optimizing Database Queries. This project requires a solid background in backend development, with a particular focus on using Java and Spring Boot. Your hands-on experience and understanding of REST APIs, Microservices, and database queries...

    $21 / hr (Avg Bid)
    $21 / hr Oferta promedio
    91 ofertas

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