Backend code is the part of a website or application that isn’t visible to the user. The code is a behind-the-scenes part of development, requiring a high level of competency regarding coding and the server that is being used. A backend developer works on the implementation and configuration of systems, and thus provides the building blogs for a website or program.

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    27 仕事が見つかりました。次の価格: USD
    Magento 2 Backend Developer Needed 6 日 left
    認証完了

    Hi, I am looking for a Backend developer to fix performance issues with my magento store 2.3.3. I recently migrated to a new server and upgraded from 2.3.1 to 2.3.3 and the process of working with products has become so much irritation. I have to handle one product at a time to avoid errors which is not possible as i have loads of product and i need to update, prices and other attributes so ma...

    $225 (Avg Bid)
    $225 平均入札額
    30 入札

    I need to extract real-time information from video game matches, save that information and process it to get results. I am open to suggestions and proposals on how to do it.

    $34 / hr (Avg Bid)
    $34 / hr 平均入札額
    22 入札

    Hi! I am working on a dashboard for a product of mine, I would need someone to add stripe implementation, so users can renew a subscription. We would also need an api to check on the data base whether the user exists or not and if he owns a key of our product or not. Language must be Node, any chance you could help out with that? Thanks!

    $238 (Avg Bid)
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    16 入札

    I want someone who can add small feature in my back end which is built in anguraljs and firebase that back end is connected with my applications. Bird when you familiar with those technology please thanks

    $25 (Avg Bid)
    $25 平均入札額
    1 入札
    full stack developer 5 日 left
    認証完了

    should be a good communicator. experience building complex web applications. must have an existing LinkedIn profile

    $12 / hr (Avg Bid)
    $12 / hr 平均入札額
    90 入札

    Web game that presents tagged images at increasing level of complexity that interacts with the user (grand kids) Great for my grand kids, but will appreciated by many families and other users (depend on the images..)

    $490 (Avg Bid)
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    10 入札

    An online shift booking system for flexible workers. The system has a 3 way user access. 1. The Client/Agency: this is the secondary system administrator who employs the end user (flexible worker). The Agency receives work availability from the Workplace/Host and uploads the work availability known as shifts on the system to enable flexible workers to view and book themselves on shifts. 2. The Wo...

    $655 (Avg Bid)
    $655 平均入札額
    13 入札
    Need a program written in Go 4 日 left
    認証完了

    Hi there, i have a project. Please look through below: Need a DNS Server required in Go. Need it specifically in GO. Use dns library : [ログインしてURLを表示] The program should be able to read from a file specified in the argument e.g dns-server <file name> the file name contents will be like: <record name> <record type> <record ttl> <record content> e.g [ログインしてURLを表示] A ...

    $30 (Avg Bid)
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    1 入札

    Hello Freelancers, Looking for: Back End Developer OR Front/Back End Developer OR Coder who can look at at our Wireframes and Images and build them to spec. We have tried using systems that are supposed to create code for us from the design like 'web flow' but it is not as creative as we need it to be and it docent have the capabilities to make what we want ( Very highly interact...

    $260 (Avg Bid)
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    7 入札

    Major Features are as below : Login : Social and Mobile Login using Firebase => Five Bottom Negotiation i.e Home Page ,Course ,Quiz ,Practice Test and Article =>Course : include pdf, Video and Mock test => Quiz : Subject wise Quiz => Practice : Quick Practice of MCQ with instant answer or solution = >Article page : category wise article should shown -=> Admin panel: everything sh...

    $733 (Avg Bid)
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    65 入札

    I need to give an update. app is currently live. and language used in app is core php only experienced developer required as app is live and have good user base. please see the attached file to see the work that needs to be done. app download link [ログインしてURLを表示]

    $238 (Avg Bid)
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    7 入札

    need CREAT PANAL want to make a playlist of a group of links mp4+ mkv need CREAT PANAL want to make a playlist of a group of links mp4+ mkv

    $12 / hr (Avg Bid)
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    8 入札

    need CREAT PANAL want to make a playlist of a group of links mp4+ mkv They are then displayed in one link in a format hls m3u8 ( live streaming ) Watched in a program vlc

    $146 (Avg Bid)
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    8 入札

    LOOKING FOR FULL TIME RESOURCES IN INDIA. As a fast-paced and rapidly scaling fintech firm, we are seeking a Senior Javascript developer experienced in NodeJS to lead our team of backend developers who shares our passion for creating revolutionary products. As a Backend Developer, you'll be responsible for the creation of backend architecture, which will involve integrating other platforms ...

    $1138 (Avg Bid)
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    26 入札

    Αναζητούμε Full Stack Developer για συνεργασία σε αναπτυξη API driven, RNG-based παιχνιδιού για online gaming project. Tα product specs θα πα&r...

    $55 / hr (Avg Bid)
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    1 入札
    Customized Video Platform 3 日 left
    認証完了

    I need someone with experience in custom developments and Tokbox video platform. We need a custom platform finished. We already have basics setup. We need a Toggle Camera From Front to Back Button, Mobile Optimization for Video, Microphone automatically off when the video comes on (like zoom - manually come on), Screen recording button, and automatic password generation... also we will need to tes...

    $542 (Avg Bid)
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    4 入札

    Someone who have Knowledge to Make API from Laravel and To Integrate APIs in Android Studio ( App Development) can contact me.

    $14 (Avg Bid)
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    6 入札

    I am looking for a PHP experience holder who have good knowledge of PHP and Android as well..

    $4 / hr (Avg Bid)
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    13 入札

    Hello Everyone! Before creating a website we would like to understand what platform (engine) is better to use in a backend of a web. Please write what "engine" do you use. What are advantages and disadvantages of it? Please ask me all the necessary questions and suggest what to use in our case. With your help we will understand what "engine" to use and then choose from those p...

    $2390 (Avg Bid)
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    24 入札

    Chức năng app: +Bản đồ định vị người mua/bán trên app,tìm bđs theo việc di chuyển của app, gửi thông báo khi khách xem tin, contact với agent (sale) gần nhất. +3D 360 độ view full trên app +Tin tức nổi bật +Đăng ký thành viên, xác thực qua app (số phone,Google Auth) +Bán (căn hộ, biệt thư, liền kề,thổ cư, dự &aa...

    $2038 (Avg Bid)
    地方
    $2038 平均入札額
    6 入札
    Instagram API help 2 日 left
    認証完了

    Hello, I'm looking for a programmer who is an expert with the Instagram API, both the Instagram Graph API and the Instagram Basic Display API. I'm trying to re-create an old project and need help to see if it's possible based on the current two API's because I'm not very familiar with them. This shouldn't take up too much time, maybe a few hours max. Thank you

    $16 / hr (Avg Bid)
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    6 入札

    The objective of the system will be to automate the flow of approval of documents (in this first instance, invoices, their respective credit notes and the possible remittances associated with them) received by the company. The approval of the documents will be subject to the acceptance or not of a series of actors (users and approving groups) through validation structures called assignment rules t...

    $10702 (Avg Bid)
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    39 入札

    ArtLab is looking for an experienced Javascript developer as a freelance contractor. You will be helping us disrupt the high value art industry through building the frontend of our systems which could revolutionise how artwork is valued. We are looking for a self-starter who is able to develop our frontend. The role will involve working alongside our data scientist to create bespoke, informative,...

    $9068 (Avg Bid)
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    40 入札

    I'm a designer, i make apps and websites on adobe xd (can export html, css) i need to partner up with a developer that can help develop these apps and websites and push it online as my research flutter and react native and responsive and same code can be on ios android and website so i need a developer to partner up with and sell those apps for multiple customers payment can be % on each tim...

    $215 (Avg Bid)
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    17 入札

    Hi there! I'm currently building a somewhat advanced [ログインしてURLを表示] application and need ad-hoc help to answer questions when I'm stuck. Looking for someone with strong [ログインしてURLを表示] experience, and will pay in 15 minute blocks. Please start application with a brief description of previous [ログインしてURLを表示] apps you have built. All generic applications without an elaboration of [ログイ...

    $14 / hr (Avg Bid)
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    2 入札
    Firebase backend 20 時間 left

    I have a app, prepared in flutter that is using Google firebase. I want to add a offline function to the software. In offline mode, it will use the offline database. When the admin edits any input, it will automatically update the offline mode as well.

    $252 (Avg Bid)
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    15 入札

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