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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    **General Information** We are an accounting software as a service company. Our software features the direct integration of most German banks and some Payment Service Providers (PSPs) such as PayPal or Stripe for its customers. We want to streamline the integration of additional PSPs in order to import transactions from a variety of systems. The attached document ("Transaction Provider Integr...

    $4603 (Avg Bid)
    $4603 Avg Bida
    39 bida

    We need someone that can develop a CRM and Backend services for an online gambling platforms. This is for an online gambling sites. We need someone that is focused, and anyone who's interested can contact (Removed by Freelancer.com Admin) If you have sample of your works, that's an advantage. This is an URGENT job. Please contact if you feel you are qualified.

    $596 (Avg Bid)
    $596 Avg Bida
    39 bida

    도서정리 mvp를 개발하려고 합니다. 반응형웹으로 디자인되어 있으며, frontend 디자인과 코드는 이미 작업되어 있습니다. ISBN의 입력을 통해 도서DB API에 접속하여 결과를 확인하고 자신의 계정에 해당도서정보를 등록하게 됩니다. 도서가 있을 경우, ICON에서 제공하는 스마트 컨트랙트를 이용하여 별도로 토큰을 제공합니다. 자세한 개발문서는 [log masuk untuk melihat URL] 를 통해 볼 수 있으며, 디자인된 site는 [log masuk untuk melihat URL] 를 통해 볼 수 있습니다.

    $5670 (Avg Bid)
    $5670 Avg Bida
    15 bida

    Backend engineering project we need to build a google could project that can handle high throughput rates

    $604 (Avg Bid)
    $604 Avg Bida
    22 bida

    I'd like to discuss this with the individual please. It's a recruitment type of software. I'm looking for someone based in Melbourne that I can meet with in person please. I need someone to be able to develop a software. It's for my recruitment company.

    $1777 (Avg Bid)
    Tempatan
    $1777 Avg Bida
    17 bida

    Several single page/few page sites needed for various brands and may include ecommece. Will need to be built on GCP/AWS, micro traffic, full stack ideally needed

    $45 / hr (Avg Bid)
    $45 / hr Avg Bida
    14 bida
    Push Notifications 6 hari left
    DISAHKAN

    I want to Add Push Notifications Functionality in My Android App

    $19 (Avg Bid)
    $19 Avg Bida
    21 bida

    Want to make a Backup Client in our branding that will use Backblaze B2 Storage using their API. Backblaze B2 Storage is a AMAZON AWS Compatible S3 kind of storage but with its own API. The API is available on the below link: [log masuk untuk melihat URL] Would like to start with a Windows Client. If not too expensive we can look at a Linux / Mac OS Client as well. We can look at a IOS / Androi...

    $328 (Avg Bid)
    $328 Avg Bida
    8 bida

    Project is Re-Posted as suitable Freelancers were unfortunately not found or available first time around. My Website will have functions and features similar to airbnb but is NOT in the property market. Please read fully my following requirements before submitting your proposals. I am based in the UK and from my experience of Freelancer and Upwork, (i.e. working remotely with Developers) has NO...

    $1133 (Avg Bid)
    $1133 Avg Bida
    19 bida

    Hello freelancers, We are looking for a Go developer to assist with working on CrowdQuest ([log masuk untuk melihat URL]), a service for [log masuk untuk melihat URL] streamers. Familiarity with Stripe API is a plus. CrowdQuest allows viewers to offer digital credits in exchange for in-game and on-camera tasks and challenges, whether it’s playing a certain song or switching characters in ...

    $521 (Avg Bid)
    $521 Avg Bida
    7 bida

    I'm looking to hire a full stack ninja Software Engineer to create an MVP SaaS to help Facebook advertisers find better targeting options at scale using machine learning. MUST: -Have extensive experience working in Facebook marketing API (please provide relevant portfolio experience) -Be hugely experienced in building emerging tech products that disrupt -Full stack developer preferred -Have ...

    $17 / hr (Avg Bid)
    $17 / hr Avg Bida
    15 bida
    Website Developer Required 3 hari left
    DISAHKAN

    I am looking for some professionals who can develop a website for me by which we can handle all the social media by a single click. More details will be given to selected candidates.

    $1234 (Avg Bid)
    $1234 Avg Bida
    48 bida

    Inviting project proposals from TEAMS. Platform should be able to handle day-today processes of a farm with multiple agricultural as well as animal products and their sales. Detailed summary shall be given when contacted. Designs could be provided.

    $2149 (Avg Bid)
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    17 bida

    We have a REST API server written in Clojure comprising about ~3000 SLOC that we wish to convert to Python/Flask.

    $1098 (Avg Bid)
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    20 bida
    App developer 1 hari left

    Location: Gurgaon Looking for an app developer with excellent knowledge in android app development and willing to work with a startup. must be punctual and hard working. Skills: UI/UX Design, Backend Development, Frontend Development

    $370 (Avg Bid)
    $370 Avg Bida
    20 bida
    Club membership app 1 hari left
    DISAHKAN

    Hello, We’re interested to launch a mobile app with the following parameters: Compatible: iPhone, Android Features: - login to profile - booking a service - check storage status - push notifications - monthly payments - backend to manage the app and its content This has to have access to all current members in complaint with Canadian privacy policy. Each member has: - email - phone -...

    $13 / hr (Avg Bid)
    $13 / hr Avg Bida
    73 bida
    Song Book Catalogue Online 19 jam left
    DISAHKAN

    Online multimedia song book catalogue, collected by registered visitors (frontend) and administrators (backend). I need a frontend to access to the database and a backend to control and manage users and to update, review contents of the database (songbook). Option for custom fields in backed for user profiles and database content. I attach some screenshoots of similar database songbooks. Including...

    $172 (Avg Bid)
    $172 Avg Bida
    21 bida

    I need an Android app. I would like it designed and built.

    $225 (Avg Bid)
    $225 Avg Bida
    23 bida

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