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    11,814 back end developer jobs found, pricing in USD

    I am building mobile app now and I started already. Now I need a web and Unity developer. You have to develop web back-end and make user 3D model in Unity. I have already front-end, so you will start work soon. Please bid if you can start work right now

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    Sporting News 6 days left
    VERIFIED

    I am looking for the web coder (web developer) who can make back-end, front-end for my website. - My website is livescore websie. We update the livescore, results, tips of match, loteria...in Brasil. We need the coder who can check the API source, make it fast than orther website. - The demo website: [login to view URL]

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    I’m looking for a developer that can build backend for an already designed user interface, so in this project there’s already a front-end designer (HTML, SCSS). The platform will be designed in the Laravel framework and requirements is: 1. Comfortable in Laravel projects (PHP) 2. Worked before with Vue.js So to give you a perception of what the project

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    Hi i need php developer that familiar with lemonade,it's really urgent and first give u some part of website to develop and if you deliver it today i will give you the rest of project. for today some sections of the pdf attached should be delivered

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    Need an experienced C# Web API back-end developer for a few months work. Experience using C#, Entity Framework, LINQ, VSTS, Azure SQL, Azure App Service, serializing XML/JSON and SignalR. A daily update will be required. NDA will be required before starting. We will require interview on chat where we ask technical questions, so only get on chat

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    Hello We require an experienced developer who has great front end and back end knowledge of Laravel framework, We Are building the foundation to our new site now Only bid if you have a good turnaround time on this.

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    Full Stack Developer / Wordpress expert Company seeks experienced wordpress developer to work on hourly basis to implement changes We are implementing a data feed with another contractor ( IDX) We want to change the UI UX of our residential portion of the website similar to [login to view URL] [login to view URL] Additionally we would like to change a few

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    Full Stack Developer / Wordpress expert Company seeks experienced wordpress developer to work on hourly basis to implement changes We are implementing a data feed with another contractor ( IDX) We want to change the UI UX of our residential portion of the website similar to [login to view URL] [login to view URL] Additionally we would like to change a

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    Our team is looking for an experienced startup co-founder who is interested to take on the role of Executive UI/UX Software Developer. I am looking for a freelancer to help me recruit top talent in the United States to co-found our company with us. We are looking for someone who has experience in mobile app UI/UX rollouts and software engineering with

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    ...senior UI developer with proven AngularJS experience, to help maintain, enhance and add new features to an existing client management App. Required Qualifications: - Minimum 4 Years of experience working with AngularJS (1.5.1) - Experience writing front end unit tests - Expert knowledge of CSS and HTML - Some experience with PHP, since the back end if powered

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    ...Freelancers We are going to launch a special dating site for adult. And therefor we need a full stack developer who has big experience with adult site, dating site, chat function, video function etc. Fort front-end We are looking for a front end developer with great skills in (HTML, CSS, JS, Bootstrap) to fix current code and code new design pages in pixel-perfect

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    ...site, one of the biggest pharmaceutical companies in the world, can be for you. Senior Developer is needed to support the team during "Build & Test" phase of implementing the new management system. The position is located in Basel area and is planned till the end of 2019 with the possibility of extension. Taking part in the project will let you work

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    Looking for good developer who could help me in making some minor changes & fixes to the existing app. The changes & fixes are mentioned below: 1) Fix the Marks Display problem in the app as double marks are displayed in the app. 2) Move the Notification icon to top also display a red dot on it when new notification is added from back end. 3) Fix pdf

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    Android/IOS Development 5 days left
    VERIFIED

    Looking for a developer team or agency to partner up with a UK start-up for an interesting project. We have a IOS and Android project app with back-end services to launch which is 90 percent complete. Your team will finish, test and include a few features. We are looking for long partnership... we will only work with a team of intermediate to senior

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    Payment by milestone or bank transfer Milestone will only create after developer complete project . #1 This system must work t as Classified ads with completed list of categories #2 And as automotive auctioning site. #3 This is meant as a guard [login to view URL] must know better and input missing ideas we have 0 tolerance for misleaders so By biding

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    Looking for good developer who could help me in making some minor changes & fixes to the existing app. The changes & fixes are mentioned below: 1) Fix the Marks Display problem in the app as double marks are displayed in the app. 2) Move the Notification icon to top also display a red dot on it when new notification is added from back end. 3) Fix pdf

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    ...Project Delivering a complete front end application Ensuring high performance on mobile and desktop Writing tested, idiomatic, and documented JavaScript, HTML and CSS Coordinating the workflow between the graphic designer, the HTML coder, and yourself Cooperating with the back-end developer in the process of building the RESTful API

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    Hello, I am looking for a developer who can customize the Opal Hotel WP Booking plugin. Now the front-end side is developed so we need wordpress back-end developer. Right developer can finish this project in short time. I have a lot of tasks so if you finish this task perfectly , we can work long term. [login to view URL] Please

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    Hello, I am looking for a developer who can customize the Opal Hotel WP Booking plugin. Now the front-end side is developed so we need wordpress back-end developer. Right developer can finish this project in short time. I have a lot of tasks so if you finish this task perfectly , we can work long term. [login to view URL] Please

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    ...must be able to change this in the back end! When users select a day, if it is full they will be prompted to select another day. When customers sign up they will have a default address but they must be able select a delivery as a gift and select an alternate address. The gift addresses must be flagged up in the back end system. The customer needs to be

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    I want have a web site template with WYSIWYG rich text for editting online. Developer(s) can use any free rich text editor like tinyMCE, quilljs, etc. This project will have back-end support in PHP.

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    ...watermark implementation. the Back-end is written in [login to view URL] and the source code is accessible in Gitlab. I have the designs already for the navigation buttons all the pages have been designed and implemented. the engineer just needs to rearrange the pages first to make the work easier. I have an APK for the developer so that the will understand the

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    ...vhicle sold above $1001 - $3000 and $50 on sold vehicle over $3001. This fees only apply to vehicle listed or sold as auction . This is meant as a guard only. developer must know better and input missing ideas not just base it on requirements!! we have 0 tolerance for misleaders so By biding on this project means u have read and fully

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    ...application to a responsive web application portal. Layout and application logic will be provided so the developer can only focus on coding Certain functions and classes can also be provided with a complete coding (c# or vb.net) to assist the developer with coding certain functions or features. The main feature of the application will be the roster grid

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    We are looking for a PHP Developer who can work in the back-end of the design for my website. We have the source code which we will provide to the developer and he can work on that for creating the designs.

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    Event Website 2 days left
    VERIFIED

    Looking for a really good designer to enhance my concept which wi...enhance my concept which will be an event website show casing the event and its features. Paypal integration and a small back-end for data collection needed. 4 forms. The project is pretty much laid out and looking for a developer to enhance my concept. Need this done within 1 week.

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    Learn Full Stack Development 2 days left
    VERIFIED

    Please read: I want to be a Java Full Stack developer- Front End and Back End. If you can teach me please provide you course content. What I will be learning. Thank you

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    We are group of back end developers and looking for a front end developer who can build screens for my website with HTML and should support responsiveness. This is a startup project. Project is to build website for managing a Gated community services like courier tracking, House keeping stuff, Keys management, Roaster Management.

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    ...over the last 10 years we have now installed this in a number of medium sized companies. It uses a .Net Application Desktop Application with a Local or Web based SQL Server Back-end. With the growth of Tablets, Phones and Web, key elements of the Application have been further developed on these platforms offering selective functionality. This has been

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    Our team is looking for an experienced startup co-founder who is interested to take on the role of Executive UI/UX Software Developer. I am looking for a freelancer to help me recruit top talent in the United States to co-found our company with us. We are looking for someone who has experience in mobile app UI/UX rollouts and software engineering with

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    I need CI back-end developer to custom and generate APIs

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    ...development and require additional resources to ramp up velocity either as a contract developers or to join our mobility team in Cape Town. The project requires a senior back end php developer with 5-10 years experience in building system solutions utilising a php framework (symfony or laravel). Evidence of work will be required, please do not inquire if

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    Please fix my issue 1 day left
    VERIFIED

    I am working on the laravel back end and android app development using Okhttp and Retrofit library. Here is my issue. Sometimes I got response from back end in android, Sometimes I did not receive it. When I did not receive the response, I got 404 error from the server. As result, I need a developer who is familiar with laravel and android app. I used

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    We have a website with a sql database we are looking to move to amazon cloud services. Our developer is unfamiliar with it but the website is very simple with some scripting language and mostly mysql on the back end. Please let me know what experience you have with amazon web services, past examples of work, etc.

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    ...delivered to you, together with a few HTML templates, but we will ask for your help in regard to animations, CSS, and final HTML output. You will work in a team with the back-end developer, and communicate with the API using standard methods. Requirements: Deep knowledge of Angular 7 practices and commonly used modules. Creating self-contained, reusable

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    ...seeking an experienced Drupal developer to help implement a new website CMS in Drupal 8 with ~15 responsive page templates. You will be part of a larger team working on this project, and the front-end CSS/HTML templates have already been developed by other members of the team, so this resource will be performing back-end integration. We do need a full-time

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    I've run a Lighthouse Report on my website and in needs some serious work to improve it's speed. I'm looking for a web developer how could do all the back end work for me. Many Thanks. Noah

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    Android Work 20 hours left
    VERIFIED

    We are looking for At-least 3 year of Experience Android Developer in Bhopal (M.P. ), India Experience The Android SDK. Again, this goes without saying. ... Working with APIs. ... Git. ... Back-end Skills. ... Passion. ... Collaboration and communication. ... Writing. Able to report at on-site location - Jaipur (daily basis) remaining hour can work

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    I am making an E-commerce website for that i required PHP developer in Chandigarh rest i have all the back end team. The office is in Chandigarh sector 17.

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    Our company is looking for an app developer who will take over an existing project and pick up where we left off. We have the majority of our apps complete, however some major work needs to be done for the back-end program. There are two versions of the app: Android, written in Java, and iOS written in Swift 4.0. You will need to be an expert in writing

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    Dear Developer, I'd like to ask help from someone, who has deep knowledge about building an AUTO-scalable multiserver cluster with a load balancer in Digital Ocean. The cluster must be auto-scalable with attached SSD storage and Cloudflare CDN. (all instructions are below, but modifications must be done to put it all together, please look also into

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    Dear Developer, I'd like to ask help from someone, who has deep knowledge about building an AUTO-scalable multiserver cluster with a load balancer in Digital Ocean. The cluster must be auto-scalable with attached SSD storage and Cloudflare CDN. (all instructions are below, but modifications must be done to put it all together, please look also into

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    We are looking for a Moodle developer in order to create an interface with the email marketing tool ActiveCampaign. We need 2 integrations: -from AC to Moodle: based on a specific tag, an automation starts and calls an external script (webhook) which creates an account in Moodle and enrol the user in a specific course for a specific amount of time

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    ...bid if you are not willing for full-time. We want only individuals not companies or institutes. Freshers please do not apply. Job Summary We are looking for an Angular 7 Developer responsible for the client side of our service. Your primary focus will be to implement a complete user interface in the form of a mobile and desktop web app, with a focus

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    ...up in the player users account - when they accept the contract that users players account will automatically assign to the club that manager manages... I am a wordpress developer myself, I own the web design agency, however I do not have the experience to code this myself. I will however be very competent and easy to work with. You must be in the

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    I'm looking for a long term engagement , for a full stack developer (angular in the front end , spring framework in the back end) , we are a startup company and looking for hiring worldwide employees

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    Project Background: We are seeking a proficient iOS app developer to build a social media interaction app serving as a bridge between a user’s social and lifestyle preferences which are defined by categories and/or qualities as the user desires. Key Features Needed: 1. Single Sign-On (SSO) via Google and/or Facebook 2. API to FB/Linkedin/Google to

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    ...NodeJS Express REST API based Data Service, Redis Cache in the middle and React-D3 Front-End with a data visualization heavy dashboard enabled by an interactive & complex cross-filter. Looking for a full stack NodeJS/Javascript developer with strong React/D3 front-end background. Applicant must possess the following: - 2-3 years experience or 2 reference

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    Experienced developer required to build a Rails or Python API back end with Soap API. Soap API response is coming in XML format, need to convert into JSON and develop a Ruby on Rails API back end or Python API back end. FYI: API's are provided by BSE StAR MF - BSE's Mutual Funds Platform. Below i have attached API doc file please refer i...

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    We are looking for a Front end and Back end developer, who is very well versed with both. Onsite developer location: Bangalore To know about our project. [Removed by Freelancer.com Admin]

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