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 건 검색 완료, 금액 기준 - USD

    Main goals: Integration of hardware, denominated Sonoff POW R2, with a software platform, in a way that measured data (electric tension, current and power) by the hardware, in loco, are sent through the client’s wifi, and are stored in our database in the correct way

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    I need cheap hosting to connect a domain to. This website build also entails a clean design and different pages which the user can select certain buttons which will generate information into the spreadsheet or code which will then produce an end result. Please start your bid with your favorite superhero and why so I know you aren’t a bot.

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    I try to learn web development in many way is there anyone to help me remotely i wil pay

    $143 (Avg Bid)
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    Ich suche Unterstützung zum Thema WordPress & SEO Optimierung für die Website www.3-core.de. Mehr Seiten, mehr Content, besseres Design, mehr call to action, bessere Sichtbarkeit bei Google. Deadline: October 9th

    $1420 (Avg Bid)
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    Need a Python developer with a good experience in Backend Rest API

    $18 / hr (Avg Bid)
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    app is a dating app - mysql database - node express framework for back end - react naive for front end i'm trying to implement google payment system so that user can buy virtual coins within the app - front-end work is about 80% done you would need to - pull the lastest code from github - work with two other engineers to merge / pull / commit / etc - work from where the other engineer left...

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    Front end: REACT JS Back END: Gatsby Payment methods or custom function may be wordpress Here is the wireframes for the [로그인하시면, URL을 확인하실 수 있습니다.] website: [로그인하시면, URL을 확인하실 수 있습니다.]

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    I am looking for web developers to join the project, the payment will be made in % of the revenue of the project. It will be a website that will host a riddle and people will try to solve it, after someone complete it, we upload the next one... This is the website for the moment... [로그인하시면, URL을 확인하실 수 있습니다.] THE PAYMENT WILL BE A % OF THE WEBSITE REVENUE, i am not looking for a worker, i am lo...

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    Looking for an experienced website developer in Miami for our dog company Customization coding is needed.

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    please submit your bid for creating the following API using Node Express framework - insert new records into tbl_payment for attempted transaction - update record when transaction is successful -- upon success, a record in tbl_user.coin_count is updated -- ex. user has 10 coins, buys 30 coins for $3, upon success, user has 40 coins -- back-end must capture all transaction details - update record w...

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    online test 5 일 left

    A friend of mine is a teacher and he wants to conduct online test series for competitive exams like IIT-JEE.

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    Hello, my business doesnt have a website and we are not planning to get one in near future. But we are trying to get an email setup with our business name. This looks more professional when you have an email with your company's domain name.

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    We are a building blockchain based applications for customers across different industries, we have already built in commercial and non profit applications. We want to build the following: We have an application to create with: - about 25 screens - responsive - backend functionality such as login, database inputs from users - blockchain registration of hashed data, we plan to use Ethereum. -...

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    I need an iPhone app. I would like it designed and built. I require front end and back end. It will be a social media application. Would also like it for android too!

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    We need to build a website on counselling services in Hong Kong, need to have a smooth chatroom plugin and other general database and e-marketing functions.

    $38 / hr (Avg Bid)
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    Hello   There is a CRM system suitable for my business on other website, but this website doesn't have a license.   This website offers many services including CRM systems. Unfortunately, their system has no privacy because they can easily access to my clients private data.   So I want to take a copy of the CRM system from their site and use it on my site. I want to use this CR...

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    App is completed and needs to be fixed 1 problem. Image/Video uploading speed issue. Too slow. I am not sure what the problem is. I think all codes are good.

    $15 - $25 / hr
    봉인 NDA (비밀 유지 계약서)
    $15 - $25 / hr
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    Hi, freelancers. I am going to develop social community platform like loomly.com. I would like a duplicate of [로그인하시면, URL을 확인하실 수 있습니다.] for thee same platform with some specifications and different look and field. We want like us a social media platforms who support Facebook, Twitter, Instagram, Pinterest and LinkedIn. I'd like to know your plan for this project and work schedule a reliable...

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    Hello, I need a mini tool to be used for shipping address copy action from my amazon account (on chrome) and paste action to my other amazon account on internet explorer. Thanks,

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    We have a framework which is based on Microservices. We want an experianced professional who can develop an engine using the current frame work and also provide the entire CMS module we are looking for. We will provide complete knowlegde transafer on the Microservice architecture. We need this task in strictly one month and we need some full time effort. We need minimum 5-6 years experiance to ...

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    Please read fully my following requirements before submitting your proposal. My Website will have functions and features similar to airbnb but is NOT in the property market. I am based in the UK and from my experience of Freelancer and Upwork, (i.e. working remotely with Developers) has not been very good and several projects remain incomplete & undelivered. The main issues are the projec...

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    back cover 2 일 left

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

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    Looking for a web developer who can deliver a website similar to this: [로그인하시면, URL을 확인하실 수 있습니다.] The work will include: -front-end development -back-end development -URL scraping of product information from online shops (picture, price, name, description) -databases setup -AWS setup -Github implementation -social integration (Facebook and Google login) + social sharing -email account creation -...

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    Hallo, i need to create android/ISO app linked to website, i need to create driver app , user (app & website ) and admin (app & website)

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    Hello, as the title states this project is to build a web application SaaS (Software as a service). The main functions of the app would be to - 1. let users gather data from different sources 2. using machine learning to generate understandable insights 3. generating reports. It is our opinion that IBM Watson is a good choice to build this SaaS. If there are other better and more meaningful opi...

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    Urgently need a young web designer to take over from current designer who is leaving to travel. The work is updating our site with conference program content, speakers, sponsors, etc. Pay by the hour. Great team. Leading brand - fifth annual event. , URL: [로그인하시면, URL을 확인하실 수 있습니다.]

    $41 / hr (Avg Bid)
    지역별
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    I'd like to get an estimate of what would be required to build a bluetooth network platform similar in capability to this [로그인하시면, URL을 확인하실 수 있습니다.] I'd like to fund the initial development and capability, but ultimately open source the code. It will need to be well-tested, scalable etc.

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    보장
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