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.

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    11 jobs fundet, i prisklassen EUR

    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

    €56 (Avg Bid)
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    3 bud

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

    €1323 (Avg Bid)
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    31 bud

    I am looking to develop a website for whole sale purchasing. The website should be an e-commerce platform, and I have a few ideas for features and functionalities. This project requires a lot of attention to detail and functionality, so I would like to find an experienced freelancer who can bring my ideas to life. This website should let customers purchase products, view products that are available to purchase, and check out easy and fast. I am open to suggestions of preferred platforms, so please don't hesitate to suggest one that meets my needs. The chosen platform should also allow me to easily manage my inventory and customer orders.

    €181 (Avg Bid)
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    27 bud

    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...

    €128 (Avg Bid)
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    15 bud

    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...

    €71 (Avg Bid)
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    18 bud

    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...

    €50 (Avg Bid)
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    14 bud

    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...

    €150 (Avg Bid)
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    22 bud

    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...

    €72 (Avg Bid)
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    14 bud

    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...

    €100 (Avg Bid)
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    30 bud

    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...

    €182 (Avg Bid)
    €182 Gns Bud
    25 bud

    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...

    €75 (Avg Bid)
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    33 bud

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