Java Spring is a powerful technology designed to make enterprise software development easier. Java Spring Developers specialize in building secure, dynamic, and robust applications with less coding and effort. Java Spring provides various modules and tools for enterprise-level project designs, making it a great choice for businesses who want the highest grade of professional quality.

As a reliable framework for developing powerful applications, it is extremely versatile, secure, and has the capacity for speeding up production time significantly. By relying on Java Spring, businesses can take full control of the applications they need to succeed.

Here's some projects that our expert Java Spring Developers made real:

  • Supporting client operations with secure and agile frameworks
  • Developing versatile payment methods backed by industry-leading APIs
  • Migrating pages from existing technologies like PHP or Javascript to a Java Spring platform
  • Establishing customized web solutions using the developer's expertise in microservices
  • Refactoring existing web code to be more functional and bug-free
  • Optimizing applications with depth knowledge in MYSQL or Postgre SQL

Java Spring offers unparalleled convenience when developing enterprise solutions and software. Whether you want to maximize existing code or build custom solutions from scratch, hiring an expert Java Spring Developer on Freelancer.com can make your dreams of a successful application come true. With access to high caliber developers familiar with its powerful frameworks, you can guarantee your project will be designed to meet even the most complex tasks.

Don't put off your dreams any longer! Post your project on Freelancer.com today and hire an expert Java Spring Developer who can bring your application to life.

Từ 29,166 nhận xét, các khách hàng đã đánh giá Java Spring Developers 4.84 trên 5 sao.
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    14 công việc được tìm thấy, giá theo USD

    Bid only if you can work in the mention project budget. I'm looking for an experienced and skilled Java developer to upgrade and make necessary modifications to our existing Java project. Somehow I lost the latest code. I have an access for FTP where the current project is running. according to that I want my old code to execute. Also I want to upgrade my code to latest java version as the current code is is Java 7 (Servlets). The project is already functional but requires updates to enhance its efficiency, security, and overall performance. Also I need to remove the dead codes and make the code lighter. Images are saving in the code, so need to upload on the server side. Project Scope: 1. **Upgrade to Latest Java Version**: Update the project to the latest stable version of Java, ...

    $284 (Avg Bid)
    $284 Giá đặt trung bình
    22 lượt đặt giá
    code review 5 ngày left

    Hello, I'm looking for an experienced programmer to conduct a code review of my codebase. The code is written in Java and I'm not sure what specific areas I should focus on. The purpose of the review is to improve the code's efficiency. This review would involve analysis of the overall code structure and implementation, including architectural and design patterns in the code. The programmer should also provide commentary on the code's readability, maintainability, and scalability. In addition, any advice on how to refactor existing code or use advanced language features to reduce code footprint may be provided. Ultimately, the goal of the code review is to identify areas of improvement and present viable suggestions that will upgrade the code's overall performance...

    $22 / hr (Avg Bid)
    $22 / hr Giá đặt trung bình
    43 lượt đặt giá

    I am looking for a website and application developer who can create an informational or website and application for me. Design/Layout: - I have a specific design or layout in mind, Features/Functions: - I have some ideas for the features and functions that I want, but I am also open to suggestions. Ideal Skills and Experience: - Strong experience in website and application development - Knowledge of information architecture and user experience design - Proficiency in HTML, CSS, JavaScript, and other relevant programming languages - Ability to create a visually appealing and user-friendly design - Experience with integrating different features and functions into a website and application. - Graphics Designer Required If you are a talented and creative developer who can bring my ideas...

    $338 (Avg Bid)
    $338 Giá đặt trung bình
    21 lượt đặt giá
    Find a bug in Java Spring project 4 ngày left
    ĐÃ XÁC THỰC

    Kindly provide a FINAL FIXED PRICE for resolving the bug after conducting a thorough investigation. Any attempt to renegotiate or increase the price will not be accepted. I am working on a Java Spring project and I've encountered a bug that requires resolution. I am seeking assistance from a skilled developer to fix this issue. GitHub repo: NOTE: Please refrain from extensive testing of the email functionality, as there are currently usage limits in place. Project Overview: The project is a full-stack freelancer search platform. Technical Details: Front-end: React Back-end: Java (using Spring, Maven) Database: mariaDB Current Functionality Implemented: A user can register by clicking the "Sign Up" button. During registration, the user provides: Username Email Passwor...

    $35 (Avg Bid)
    $35 Giá đặt trung bình
    26 lượt đặt giá

    1. we need help in java 8 code we have gateway where we connect our application and gateway connect third party vendor. We are communicating with third party vendor by soap services. we are using spring boot application Using library in java 8 spring below 3 we have JaxWsPortProxyFactoryBean t specifying servicename, portname, namespace we are now connectin to gateway using http but we need to connect usi https how we can connect to gateway using sslsocketfactory and JaxWsPortProxyFactoryBean or any other method let us know 2 what is alternative for JaxWsPortProxyFactoryBean in java 17

    $60 (Avg Bid)
    $60 Giá đặt trung bình
    3 lượt đặt giá

    Java with Springboot 3 years experience needed AngularJs 3 years experience needed Must work from 5:30pm to 2:30am IST. Mon to Fri

    $1386 (Avg Bid)
    $1386 Giá đặt trung bình
    34 lượt đặt giá

    We look for Java Spring-Boog and Core-Java senior expert developer Your job will be to re-implement this api in java / spring-boot Mandatory!!!! You have to have a installed the docker environment on you PC/Laptop and You document EACH step step to make the up and running along with a docker compose environment to make the new spring-boot api running with it. Milestones MS1: suggest if an openAPI definition would reduce your workload, since REST server and client can be generated MS2: reImplement as spring boot service the endpoints documented here: and: MS3: provide a docker compose incl. all steps to make your code available in a container Implementations: - best practices with openAPI - best practices with spring boot NO UI for now required! NO database required! No REST en...

    $129 (Avg Bid)
    $129 Giá đặt trung bình
    17 lượt đặt giá

    We look for Java Spring-Boog and Core-Java senior expert developer for vtiger integration Your job will be to implement requirements which are mutually agreed on this API Mandatory!!!! You have to have a installed vtiger on your local environment to be able to use it properly and to test it properly! you can run locally via: Milestones MS1: provide existing openapi yml or json file (preferably ver3.x) Implement a REST api call to - find all users and return the users as full DTO (use jsonschema2pojo to get all fields generated) List<UserDTO> findAllUsers() List<UserDTO> findUsers(List<UserDTO> pUsersByExampleToFind) - add users List<UserDTO> addUsers(List<UserDTO> pUsersToAdd) - update update users List<UserDTO> updateUsers(List<User...

    $76 (Avg Bid)
    $76 Giá đặt trung bình
    18 lượt đặt giá

    We look for Java Spring-Boog and Core-Java senior expert developer Your job will be to implement requirements which are mutually agreed on this API maybe helpful: Mandatory!!!! You have to have a installed matrix synapse on PC/Laptop and on your smartphone to run on your local environment. You document EACH step you can run locally via: Milestones MS1: provide existing openapi yml or json file (preferably ver3.x) Implement a spring boot service to invite users to the matrix. - sendNewUserRegistrations(List<UserDTO>) send a template e-mail to users to invite them to register an account - createNewPrivateGroupChats(List<GroupChatDto>, SpaceDto) create the list of (private) group chats into the given Space - inviteNewUsers(List<UserDTO>, List<GroupChatDto...

    $53 (Avg Bid)
    $53 Giá đặt trung bình
    14 lượt đặt giá

    We look for Java Spring-Boog and Core-Java senior expert developer Your job will be to implement requirements which are mutually agreed on this API (cora-api) and Mandatory!!!! You have to have a installed opnSense on your local environment to be able to use it properly and to test it properly! you can run locally via: Milestones MS1: provide existing openapi yml or json file (preferably ver3.x) Delivery of to reproduce your steps of the proxmox installation on virtualBox Implement a REST api call to CRUD users and groups - find all users and return the users as full DTO (use jsonschema2pojo to get all fields generated) List<UserDTO> findAllUsers() List<UserDTO> findUsers(List<UserDTO> pUsersByExampleToFind) - add users List<UserDTO> addUsers(List<UserD...

    $156 (Avg Bid)
    $156 Giá đặt trung bình
    23 lượt đặt giá

    We look for Java Spring-Boog and Core-Java senior expert developer Your job will be to implement requirements which are mutually agreed on this API (cora-api) Mandatory!!!! You have to have a installed opnSense on your local environment to be able to use it properly and to test it properly! you can run locally via: Milestones MS1: provide existing openapi yml or json file (preferably ver3.x) Delivery of to reproduce your steps of the opnSense installation on virtualBox Implement a REST api call to List<VoucherDTO> listAllVouchers() List<VoucherGroupDTO> listAllVoucherGroups() List<VoucherProviderDTO> listAllVoucherProviders() List<VoucherDTO> expireVouchers(List<VoucherDTO>) List<VoucherDTO> createVouchers(List<VoucherDTO>) same for temp...

    $77 (Avg Bid)
    $77 Giá đặt trung bình
    14 lượt đặt giá

    We look for Java Spring-Boog and Core-Java senior expert developer Your job will be to implement requirements which are mutually agreed on this API Mandatory!!!! You have to have a playground of mailcontrol / forcepoint cloud security gateway in access. Preferably as playground on a docker environment. (plz check this as part of your bid!) You document EACH step to reproduce a test/integration environment Milestones MS1: Implement a spring boot service to add new users to the e-mail subscription. - fetchEmailSubscriptionsAll() - fetchEmailSubscriptions(List<UserDto> pByExample) - addNewEmailSubscriptions(List<UserDto>) // UserDto contains a main e-mail => subscription e-mail and alias e-mail addresses, along with a details of add subscription screenshot - deleteEmailS...

    $106 (Avg Bid)
    $106 Giá đặt trung bình
    30 lượt đặt giá

    you are a fresher here? Require a quick win for gaining reputation here? this is a easy task, IF you are docker and java/springboot developer We look for Java Spring-Boog and Core-Java senior expert developer Your job will be to implement requirements which are mutually agreed on this API maybe helpful: Mandatory!!!! You have to have a installed matrix synapse on PC/Laptop and on your smartphone to run on your local environment. You document EACH step you can run locally via: Milestones MS1: Implement a spring boot service to invite users to the matrix. - sendNewUserRegistrations(List<UserDTO>) send a template e-mail to users to invite them to register an account - createNewPrivateGroupChats(List<GroupChatDto>, SpaceDto) create the list of (private) group chat...

    $186 (Avg Bid)
    $186 Giá đặt trung bình
    27 lượt đặt giá

    We look for Java Spring-Boog and Core-Java senior expert developer Your job will be to implement requirements which are mutually agreed on this API Mandatory!!!! You have to have a installed gitlab CE on your local environment to be able to use it properly and to test it properly! you can run locally via: Milestones MS1: Implement a rest api call to - find all users and return the users as full DTO (use jsonschema2pojo to get all fields generated) List<UserDTO> findAllUsers() List<UserDTO> findUsers(List<UserDTO> pUsersByExampleToFind) - add users List<UserDTO> addUsers(List<UserDTO> pUsersToAdd) - update update users List<UserDTO> updateUsers(List<UserDTO> pUsersToUpdate) - block/ban users List<UserDTO> blockUsers(List&l...

    $78 (Avg Bid)
    $78 Giá đặt trung bình
    34 lượt đặt giá

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