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 38,626 opiniones, los clientes califican nuestro J2EE Developers 4.8 de un total de 5 estrellas.
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    I am looking to increase the code coverage and quality for the business logic classes of my current project. The main objective here is to enhance the code maintainability by identifying potential flaws early on. Specifically, I need test cases that will provide a more in-depth check, focusing on detailed and complex test scenarios. In other words, rather than simple unit tests, I'm looking for a candidate who can dig deeper into the complexities of the system and provide a more thorough examination of potential issues. Ideal skills for this project: - A strong understanding of Java, Junit, and Mockito - Proven experience in writing complex test scenarios - Previous work with business logic classes will be beneficial - Keen attention to detail and a dedication to thoroughness.

    $23 (Avg Bid)
    $23 Oferta promedio
    14 ofertas

    Need tutoring of Spring Boot + Spring MVC Development Referring to the link: Code is with me, need someone to guide.

    $12 (Avg Bid)
    $12 Oferta promedio
    11 ofertas

    I am seeking a knowledgeable Java trainer who can provide personalized one-on-one training to help me prepare for a job that entails Java software development. Requirements: - Solid understanding of Java for beginners and the ability to teach it effectively. - Experience with RESTful services and JSON integration. - Proficiency in JavaScript and jQuery. - Familiarity with file transfer protocols such as sFTP and FTPS. - Ability to explain version control, specifically Git. - Knowledge of Jira and Agile Scrum methodologies. - Understanding of AWS services. - Familiarity with EDI protocols like AS2. The ideal candidate should have proven experience in Java development with a focus on training or mentoring, and the ability to tailor the lessons to the job description provided. The training...

    $499 (Avg Bid)
    $499 Oferta promedio
    54 ofertas

    echnologies: - JavaScript, NodeJS/express, Postgres or equivalent DB - Redis (any other equivalent cache) - Docker - Any Cloud (AWS, Azure or Google Cloud Platform) Key Skills: 1. Has worked in any map routing technologies like ESRI Or Graphhopper Or Map-box 2. Has worked on Map Services like ESRI Or Open Street Maps (OSM) or any other closed maps (Google Maps) 3. Has worked on core aspects of calculating ETA (Estimated Time of Arrival), (POI) Point Of Interests Tagging on lat/longs 4. Quick to do PoC & Evaluations, & build Scalable REST APIs 5. Practitioner of CI/CD with containerization (docker) Mandatory- Please fill this matrix tracker sheet for sure and attach along with ONLY VERY TECHNICALLY STRONG PROFILES WITH 10/10 in communication skills good command over English

    $348 (Avg Bid)
    $348 Oferta promedio
    17 ofertas

    I am in need of a skilled Java Developer to assist me with my project. I'm looking for someone who has a solid understanding of Java programming and can work with me on various aspects of my project. It would be beneficial if you have experience with backend development, frontend development, and database management. Ideal Skills and Experience: - We are looking for a Senior Java Full Stack Developer with a minimum of 6-7 years of hands-on experience in developing scalable and efficient web applications using Java and Angular. The ideal candidate should be proficient in Angular (versions 8 and above) and possess a deep understanding of frontend technologies. As a key member of our development team, you will play a crucial role in designing, implementing, testing, and maintaining c...

    $662 (Avg Bid)
    $662 Oferta promedio
    43 ofertas

    I'm seeking assistance with automating our software delivery through the implementation of a CICD pipeline using Openshift. - A strong grasp of software development principles - Experience in Java programming - Familiarity with version control tools such as Bitbucket - Skill in setting up and managing CICD pipelines, especially regarding Openshift. Your main responsibility lies in developing an effective pipeline that streamlines our software delivery, encompassing build, test, and deployment procedures. As a result, you'll improve our development workflow and productivity whilst ensuring software quality. Adoption of automation techniques would be integral to this. Looking forward to working with developers that have a passion for optimizing development processes and an ey...

    $87 / hr (Avg Bid)
    $87 / hr Oferta promedio
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    I'm seeking a developer proficient in integrating Backend Java APIs with AngularJS. Your task would be to ensure smooth data exchange between these two frameworks, focusing primarily on: - Data retrieval and display: The data volume is relatively small, limited to about 100 records maximum. The data format from the Backend Java API is JSON, requiring your expertise to efficiently streamline data transfer and presentation. - Form submission/validation: I also require my HTML form submissions to be validated effectively using AngularJS. Your role would include facilitating this process and ensuring form data correctly interacts with Java API. Ideal candidates should showcase expertise in Java, AngularJS, JSON data handling, and form validation. An understanding of small scale data ma...

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

    As an experienced Java back-end developer, I require an expert in Spring Boot to assist me in updating my existing application. The project needs to be completed within a month. Key Requirements: - Expertise in Java backend development - Proficiency in Spring Boot - Previous experience in updating existing applications Your role will primarily involve working on the back-end of the application with the following responsibilities: - Implementing new features and functionalities - Ensuring the application's security and performance - Bug fixing and addressing any technical debt A strong understanding of Spring Boot is a must for this role. The ideal candidate will be proactive, detail-oriented, and able to work under tight deadlines.

    $11 / hr (Avg Bid)
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    46 ofertas

    I need an experienced freelancer to help me with a complex project that involves a variety of tasks. The primary focus will be on Core Java development, Design pattern implementation, and API testing. Additionally, you will be required to perform Splunk search and error analysis, and check the Dev code for the latest changes that might be causing issues. Key Responsibilities: - Core Java development and design pattern implementation - Testing the API functionality - Analyzing Splunk logs for errors - Identifying the root cause of issues in the Dev code - Facilitating communication and follow-ups through Slack - Re-running tests and updating them as required The ideal candidate for this project should have a strong background in Core Java, Design patterns, and API testing. Additionally, ...

    $30 (Avg Bid)
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    29 ofertas
    Java Payment Gateway Development 1 hora left

    I'm looking for a skilled Java/ or NodeJS developer to create a seamless payment gateway. The gateway needs to integrate with both direct Bank APIs and third-party payment processors. Key Responsibilities: - Develop a payment gateway utilizing Java/ NodeJS - Incorporate direct Bank APIs and third-party payment processors - Build backend for merchants onboard , risk checking and labeling, and transaction dashboard Ideal Skills: - Proficient in Java/ NodeJS - Experienced with bank API integrations - Familiar with third-party payment processors - Prior experience in e-commerce or mobile app payment gateways would be beneficial Your work will be instrumental in facilitating secure and efficient transactions on various platforms. Please reach out if you have the necessary skills...

    $4217 (Avg Bid)
    $4217 Oferta promedio
    82 ofertas

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