Backend Development Jobs

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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    43 jobs found, pricing in USD

    Hi, I have a chatbot that has been done in csml. It asks the user a several informations to calculate a price but there are a few things that must be done in order for the chatbot to make sense. Here are the tasks that I need doing: - Once the chatbot asks for #of followers (nf), # of tweets (nt) and # of admin (na), I need the chatbot to show the price based on this formula: If nt is < 20 th...

    $26 / hr (Avg Bid)
    $26 / hr Avg Bid
    3 bids

    Tasks sums up and earning paid to member when they complete a task on my website. Project can be discuss after hiring. website made on [login to view URL]

    $132 (Avg Bid)
    $132 Avg Bid
    2 bids

    Dynamic Portal B2B Front And Backend Both Development 1. Login Channels: Admin Creat / Distributor And Retailars / Staff Logins 2. Distributor Create / Retailars 3. All Services Admin Setup All Services Cost , All Application , Application Edit / Application View / Application Delete 4. All Applications Status Track Maually With Admin 5. All Distributor / Retaila...

    $174 (Avg Bid)
    Local
    $174 Avg Bid
    11 bids

    Hi there, I've recently started a small business and I need a native English Speaker an Writer as a virtual assistant for online marketing. This will be a part-time job and those who already have full-time jobs are also welcome as long as you're a native speaker. Please apply with your location and hourly rate. I have attached the document describing the job in details. We will have a d...

    $1078 (Avg Bid)
    $1078 Avg Bid
    15 bids

    I'm building a voting web app using: html, css, Javascript, Vue js and Firebase. The app contains a list of songs that users will thumbs up or down (like YouTube comments) and the votes count is stored in firebase data base, all seems working fine but one thing i can't figure out is how to make the color of the buttons change when they get voted and stay changed when the user leaves and ...

    $24 (Avg Bid)
    $24 Avg Bid
    6 bids

    On a Server a python script is executed for each incoming request from a Website. For example a user submits a number which is send to the server. On the server a python script is executed which scrapes data from the web based on the number. The scraped data will be send back to the webserver and shown to the user. I need one to write the backend which handles incoming requests, executes the pyt...

    $463 (Avg Bid)
    $463 Avg Bid
    22 bids

    Childsplay, the children’s entertainment app every parent has been waiting for. Play, Watch, Learn. The surge of growth in the Ed-tech industry provides an opportunity for new global unicorns. Childsplay is learning made fun. Focusing at its core a B2B model - enhancing productivity through provision of the Childsplay App for every employee. Childsplay also believes the best teachers sh...

    $3768 (Avg Bid)
    $3768 Avg Bid
    51 bids

    Genius Money is seeking a Full Stack Developer to produce scalable web application solutions. The successful candidate will be part of a small cross-functional team and will be responsible for the full software development life cycle, from conception to deployment. Initially, this position will be based on a contract term to concentrate on the completed integration of Office 365 and Mailmerge A...

    $32 / hr (Avg Bid)
    $32 / hr Avg Bid
    47 bids

    I need an iPhone/iPad app. I already have a design for it, I just need it to be built.

    $625 (Avg Bid)
    $625 Avg Bid
    33 bids

    Develop an admin panel for social media app The main purpose of the admin panel is to support the app’s users: This includes review over user-generated content Key statistics page with integrated analytics. Create user behavior logs can provide you with deeper analytics. CMS: Admin authorization Admins can register, log in, and log out - Log in, log out CMS: Admin management Admin...

    $383 (Avg Bid)
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    15 bids

    It requires someone with experience in ecommerce websites to support the design and implementation of an ecommerce

    $164 (Avg Bid)
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    13 bids
    Odoo Mobile Integration 4 days left
    VERIFIED

    I'm looking for an expert to integrate the Odoo Loyalty Feature to a mobile application, as well as a CRM view from the mobile backend database.

    $13 / hr (Avg Bid)
    $13 / hr Avg Bid
    18 bids

    I need a very fast sneaker-monitor for Discord. The monitor or monitors must support all of the european sneaker shops (Retailer), SNKRS APP backend and Shopify. The picture is an example. I also want a partner for further projects and support.

    $1387 (Avg Bid)
    $1387 Avg Bid
    15 bids

    I need someone to integrate smart bicycle lock to my admin panel which is a web application, command protocol will be provided!

    $123 (Avg Bid)
    $123 Avg Bid
    4 bids

    I have an end to end concept website components/architecture in form of a demo site - which are 65% complete to my vision. We need to add 25% more functionality (I doubt we can do 100%). _ These 25% addition meaning researching/ finding/ integrating and demoing that feature in end to end demo site. I am looking for a solid/senior freelancer/team who have capabilities to research and integrate I...

    $560 (Avg Bid)
    $560 Avg Bid
    20 bids

    Hi! We are starting new VPN service and we need a backend developer. At the moment we have completed design and we are in the process of making full userflow scheme which will be given to you later. Our solution is gonna be based on OpenVPN software, and in future we may add Wireguard as a secondary option. Our goal is to make a VPN service, where an account will be created with one click without...

    $17 / hr (Avg Bid)
    $17 / hr Avg Bid
    7 bids

    Im looking for a developer team (2 or more) , MUST be based in USA or Europe for a long term project. Details will be discussed.

    $33 / hr (Avg Bid)
    $33 / hr Avg Bid
    20 bids
    Backend management 3 days left
    VERIFIED

    Necesito un desarrollador Sr con estos conocimientos : .Net ASP MVC .Net Net Standard .Net MonoDevelop .Net Nuget Java Maven Java Graddle Java Spring MVC Web General HTML5 Web General javascript Web General CSS Web General Bootstrap

    $19 / hr (Avg Bid)
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    50 bids

    I need some one who can analyse .. create a work flow and process .. and develope backend with android application or cross platform app with Flutter... I am ready to give 30k

    $399 (Avg Bid)
    $399 Avg Bid
    12 bids

    Already have created a basic but responsive website. Need someone who would be able to create a authorization and authentication functionality to log on to the site

    $188 (Avg Bid)
    $188 Avg Bid
    16 bids

    As in title. I want to get notify and save link to the post where keywords which I set occurred within the Facebook group.

    $11 (Avg Bid)
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    3 bids

    Hello! A friend of mine is looking for someone to help create a Zoom like web application where musicians can meet. Basically the web application should be able to cater all camera and won't hide one, no matter who is speaking or what. Any programming language that can help achieve the web app will do.

    $510 (Avg Bid)
    $510 Avg Bid
    10 bids

    Its is grocery online Ecommerce website and app. I want dashboard like shopify and contain gone be same

    $408 (Avg Bid)
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    3 bids
    .Net/C# Software Developer 2 days left
    VERIFIED

    Job type: project based Job description: We are seeking a Professional to integrate a small team of two to five developers, working remotely and in English. You will collaborate with the software architect and the lead developer to preach clean code and respect of best practices inside the team. Responsibilities: - Development of specified modules; - Unit testing of developed code; - Building r...

    $28 / hr (Avg Bid)
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    86 bids
    PHP expert 1 day left

    I need php expert for my website

    $1082 (Avg Bid)
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    75 bids

    A Tinder-like Instagram based webapp will be made. It will work on the website. (To reduce the cost) I'll give the front-end files. You will write JS and Backend. It will be the same as Tinder but there are slight differences. Swipe and match. There will be no messaging system. It will take photos and information after logging in with Instagram. There should be no security gaps.

    $1167 (Avg Bid)
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    45 bids
    MVP development 1 day left
    VERIFIED

    Hi, just trying to define the scope of a working MVP. I have in mind 2 versions: basic and advanced. - About the basic: I consider 3 parts: 1) an engaging UX/UI front end (incl. stripe), 2) define a DBase model for analytics, and 3) a reporting output with dashboards (from the previous analysis). The idea is to sell reports to my clients. The bad thing is that I should manually look for the dat...

    $2865 (Avg Bid)
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    37 bids

    The MVP of this project needs to be a basic web app hosted in the cloud that contains a quoting engine. This quoting engine, based off of a zip code, returns a list of products (same product with different sizes) that reside in that zip code regions (warehouses) around the US. So an inventory filtered list basically. The data points a pretty simple: Zip code Warehouse Product Type Product Quant...

    $50 / hr (Avg Bid)
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    10 bids

    *** Only freelancers - not agencies *** We need a experienced Magento 2 Backend developer to work fulltime for my danish agency. No fluffy design-skills or Wordpress-skills needed. We need a hardcore, technical, programmer who does nothing but code :-) Skills needed: + Much experience with Magento 2 + Experience with bugfixing in Magento 2 + Experience with building custom modules for Magento...

    $19 / hr (Avg Bid)
    $19 / hr Avg Bid
    64 bids

    Setup tictic - short video app from codecrayon I already have to files I need you to set it up , there is a youtube video for how to set up here is the link : [login to view URL]

    $42 (Avg Bid)
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    7 bids

    Hi, We need complete quotation based on our requirements and also need brief information on what technology or which API you are going to use to build every part of the project. Also, what will be the charges to make just the API which we mentioned in our project file? PLEASE NOTE THAT WE WILL ONLY CONSIDER THOSE BIDDINGS WHICH UNDERSTAND OUR REQUIREMENTS AND ALSO RESPOND TO ABOVE ASKED QUESTION...

    $1120 (Avg Bid)
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    11 bids

    I'm looking for someone with experience in flutter who can design a social networking app for Web, IOS, and Android. UI/UX will need to be done by the designer with the help of design guides.

    $1407 (Avg Bid)
    $1407 Avg Bid
    63 bids

    Tasks sums up and earning paid to member when they complete a task on my website. Project can be discuss after hiring. website made on [login to view URL]

    $117 (Avg Bid)
    $117 Avg Bid
    7 bids

    Do you have experience with Meetecho Janus? We are looking for streaming specialist that has many experience with Meetecho Janus.

    $525 (Avg Bid)
    $525 Avg Bid
    9 bids

    Get Paid for Tasks Online Sign up as Advertiser or Publisher Account… Member Account will show below buttons or tabs Profile Tasks Account Bal Payout Request

    $146 (Avg Bid)
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    3 bids

    I would like to visualize some ML algorithms like adaboost, gradient boost, decision tree, knn etc in web browser. Should have good knowledge of ML algorithms and should be eager to learn how to visualize them on website (if don't know already)

    $96 (Avg Bid)
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    13 bids

    i need the python coder for multiple jobs. Should have the backend knowledge also.

    $20 - $166
    Sealed
    $20 - $166
    13 bids

    i need the python coder for multiple jobs. Should have the backend knowledge also.

    $20 - $165
    Sealed
    $20 - $165
    10 bids

    Posso pagar até R$350 pra algum desenvolvedor fazer um aplicativo semelhante ao antigo aplicativo de mídia social Yik Yak, onde os usuários podiam publicar posts (texto de até 200 caracteres) que só eram vistos por outros usuários num raio de 8 quilômetros, ou seja baseado na localização. Outros detalhes: De preferência o aplica...

    $333 (Avg Bid)
    $333 Avg Bid
    1 bids

    APP IOS mô tả từ khóa nhà cái. Cần một bên có kinh nghiệm hoặc đã từng lên app cho nhà cái ......

    $1042 (Avg Bid)
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    7 bids

    APP IOS mô tả từ khóa nhà cái. Cần một bên có kinh nghiệm hoặc đã từng lên app cho nhà cái ......

    $1054 (Avg Bid)
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    8 bids

    Creación de una plataforma tipo MARKETPLACE, el proyecto incluye APP + WEB. La plataforma conecta a personas que ofertan el servicio con personas que desean contratarlo. Para tener desbloqueadas todas las opciones es necesario pagar una membresía. CATACTERÍSTICAS DEMANDADAS PARA LA PLATAFORMA: - La plataforma debe ser totalmente escalable ya que está pensada para...

    $6936 (Avg Bid)
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    52 bids

    Precisamos integrar API de pagamento no nosso APP.

    $7 / hr (Avg Bid)
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    4 bids

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