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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    Hellocaveat.com 6 วัน left

    I need you to design and build a website for my business. We’re generally looking for talent that can work with us on web design and development projects for client engagements as well.

    $51 / hr (Avg Bid)
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    23 การประมูล
    Android App iOS app, admin panel 6 วัน left
    ยืนยันแล้ว

    I want Arab Developer to develop Mobile App for iOS and Android, the app idea is project feedback as below: Engineers login to upload projects photos and project status Customers login to track project status and photos and send feedback Admin login Admin panel API backend maximum working period 10 days maximum budget 200$ and please don't contact me if your price and timeline line not simila...

    $304 (Avg Bid)
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    Sitecore development services 6 weeks 1 ชั่วโมง left

    *Australia local candidates only - Sydney highly preferred* Need a Sitecore developer for a 6 week effort for a client, starting ASAP (Monday 17th) Skills required (specifics TBA) - SiteCore Azure PaaS v9 - .Net - CSS and Angular JS v 1 working alongside an in-house sitecore developer to make a dent in existing backlog. Need someone hands-on to hit the ground running. Contract rates...

    $64 / hr (Avg Bid)
    พื้นที่
    $64 / hr การประมูลเฉลี่ย
    5 การประมูล
    Android App ,iOS app, admin panel 6 วัน left
    ยืนยันแล้ว

    I want Arab Developer to develop Mobile App for iOS and Android, the app idea is project feedback as below: Engineers login to upload projects photos and project status Customers login to track project status and photos and send feedback Admin login Admin panel API backend maximum working period 10 days maximum budget 200$ and please don't contact me if your price and timeline line not simila...

    $158 (Avg Bid)
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    10 การประมูล
    Android App and iOS app, admin panel 6 วัน left
    ยืนยันแล้ว

    I want Arab Developer to develop Mobile App for iOS and Android, the app idea is project feedback as below: Engineers login to upload projects photos and project status Customers login to track project status and photos and send feedback Admin login Admin panel API backend maximum working period 10 days maximum budget 200$ and please don't contact me if your price and timeline line not simila...

    $181 (Avg Bid)
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    10 การประมูล
    Android App and iOS app,admin panel 6 วัน left
    ยืนยันแล้ว

    I want Arab Developer to develop Mobile App for iOS and Android, the app idea is project feedback as below: Engineers login to upload projects photos and project status Customers login to track project status and photos and send feedback Admin login Admin panel API backend maximum working period 10 days maximum budget 200$ and please don't contact me if your price and timeline line not simila...

    $515 (Avg Bid)
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    23 การประมูล
    Android/iPhone app. 5 วัน left

    I need an iPhone/iPad/Android app. I would like it designed and built. It is a fairly simple idea for a niche market. Users would be able to drop pins and leave comments for others to find and utilize and leave their own comments, maybe even a tips and training area with links to outside sources. I would like the app free to use with ads generating revenue. I would like to discuss using a percenta...

    $646 (Avg Bid)
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    5 การประมูล

    I need to build a back side for flutter application, pretty simple one, but it has some interesting logic

    $447 (Avg Bid)
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    20 การประมูล

    Want to execute a 3 year long term project - Mobile app development (Android and ios) and Web application development using Java and high performance backend tools. Need full stack java developers Mobile app developers Need to start the project by next week and hence would be interviewing the folks and choose 3 candidates to execute. Please bid only if you will be available between 9AM IST to ...

    $19 / hr (Avg Bid)
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    75 การประมูล
    Math site like projecteuler 4 วัน left
    ยืนยันแล้ว

    I need a new website. I need you to design and build a website for my small business.

    $157 (Avg Bid)
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    12 การประมูล

    Hey there, we want to automate our invoicing process a bit more. So we got the following: Ticket-System called "OTRS" (Data can be queried via PostgreSQL) ERP for Invoicing called "dolibarr" (Data can be posted via REST-API) What has to be done: Build a Dashboard that we can select articles from the ticket-system, get additional information from the ERP-REST-API, create the ...

    $220 (Avg Bid)
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    Backend connectivity ( Change from Socket Programming to MQTT ) 4 วัน left
    ยืนยันแล้ว

    It’s a Bikesharing, I want to backend connectivity

    $490 (Avg Bid)
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    15 การประมูล

    Wear4Weather is a newly formed startup project with clearly defined goals, capable team in place and future service applicable to many different markets. The service is called Wear4Weather which is a digital platform that provides clothing suggestions, based on weather forecast, to different user groups. It calculates feels like temperature and based on this information suggests appropriate clothi...

    $1312 (Avg Bid)
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    I need an Android app. I would like it designed and built. It's swiggy like application which has for modules customer, vendor, delivery boy and admin ...In which admin module is web application and other 3 are android app..It's a multivendor app.... Only for pune location

    $783 (Avg Bid)
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    A copy of website 4 วัน left
    ยืนยันแล้ว

    I need to build a copy of an existing website with all functions and an easy admin panel

    $489 (Avg Bid)
    $489 การประมูลเฉลี่ย
    51 การประมูล
    Android App and iOS app and admin panel 4 วัน left
    ยืนยันแล้ว

    I want Arab Developer to develop Mobile App for iOS and Android, the app idea is project feedback as below: Engineers login to upload projects photos and project status Customers login to track project status and photos and send feedback Admin login Admin panel API backend maximum working period 10 days maximum budget 200$ and please don't contact me if your price and timeline line not simila...

    $673 (Avg Bid)
    $673 การประมูลเฉลี่ย
    23 การประมูล
    Android App and iOS application 4 วัน left
    ยืนยันแล้ว

    I want Arab Developer to develop Mobile App for iOS and Android, the app idea is project feedback as below: Engineers login to upload projects photos and project status Customers login to track project status and photos and send feedback Admin login Admin panel API backend i will choose who give me last price and short working period,the project will pay as below: 10% deposit 15% upon deliver comp...

    $426 (Avg Bid)
    $426 การประมูลเฉลี่ย
    21 การประมูล
    Android App and iOS app 4 วัน left
    ยืนยันแล้ว

    I want Arab Developer to develop Mobile App for iOS and Android, the app idea is project feedback as below: Engineers login to upload projects photos and project status Customers login to track project status and photos and send feedback Admin login Admin panel API backend i will choose who give me last price and short working period,the project will pay as below: 10% deposit 15% upon deliver comp...

    $22 (Avg Bid)
    $22 การประมูลเฉลี่ย
    7 การประมูล
    New Cloud Accounting Software 3 วัน left
    ยืนยันแล้ว

    Back-end interface with HMRC (UK) required like other cloud / apps for payroll and self assessment functionality. This is a minimum price posted for the project as it is likely that the project scope expands vastly. More details on current scope will be explained once the project is awarded. I would be keen to hear from people that have worked on developing softwares such as Self Assessment an...

    $3446 (Avg Bid)
    พื้นที่
    $3446 การประมูลเฉลี่ย
    16 การประมูล
    Cleaning booking system with all functions needed 3 วัน left
    ยืนยันแล้ว

    We need a custom booking system primarily for our own cleaning company. Must be able to integrate with Zapier and also provide a widget for integration with existing website. Ideally built on AWS so we can scale in the future. Please see a draft of requirements in the attached file. There will be more functions and the document will be better structured later on.

    $4983 (Avg Bid)
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    78 การประมูล
    $115 การประมูลเฉลี่ย
    13 การประมูล

    We are looking for Java Spring Security Developer for longterm working . Must be Experienced with Gradle Build. We have some corrections and improvements need to be done in the backend.

    $6 / hr (Avg Bid)
    $6 / hr การประมูลเฉลี่ย
    18 การประมูล
    Node.js Express backend development (see attached API overview) 2 วัน left
    ยืนยันแล้ว

    We are planning to hire a web backend developer with lots of experience in Node.js and [เข้าสู่ระบบเพื่อดู URL] to create a backend for a basic social network, which should be REST accessible. Please have a look at the attached PDF for more details about the required functionality. Note that this API overview is incomplete and might change slightly. You are free to use whichever database type, p...

    $1406 (Avg Bid)
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    66 การประมูล
    Build me an android app 2 วัน left

    Need to add a few features in existing app. App is required to have a dual platform of a chat and micro-blogging social media with regional language feature.

    $370 (Avg Bid)
    $370 การประมูลเฉลี่ย
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    By HOPPOO LIFESTYLE INDIA, The Business Adviser position is a vital role that facilitates the process of acquiring relationships with several of tourist. The position will be a combination of hunting for new tourism clients with the goal of increasing Centre’s of tourism market. The expectation is to maintain relationships with high level decision makers. Various skills will be provided to i...

    $1 - $6 / hr
    $1 - $6 / hr
    0 การประมูล

    White labeling "online tutoring booking management platform" We are looking for someone who can develop the full white labeling online booking Management System(BMS) with online tutoring . We are looking for someone/company who have done before similar project ** We will not reply freelancers without sending us the following points below : Send me your proposal 1. What do you suggest...

    $1538 (Avg Bid)
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    28 การประมูล
    Remote Shopify and Wordpress Developer 2 วัน left
    ยืนยันแล้ว

    Available 9am-3pm PST Work on a test project After results, the possibility of becoming our agency's permanent Dev. Opportunity to work with client's from Los Angeles, CA

    $174 (Avg Bid)
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    24 การประมูล
    I need back end work done 2 วัน left
    ยืนยันแล้ว

    I have a book store. I need help setting up payment security, a way to set up royalties, sending via payments to other users outside of the website. I need to set up a membership page. I also need optimisation for back end in general. I am currently in the process of having a front end developer work on design. This is wordpress through bluehost.

    $174 (Avg Bid)
    $174 การประมูลเฉลี่ย
    30 การประมูล

    Hi, We are looking for talented and detail-oriented developers/engineers to work on our patent-pending concept called Parject development. The name of the project is nuCAL, basically, we are looking for 3rd party API integrations to our system, in its own format. We are using Velocity Transformation Language of Apache, and Swagger for definition parts. If you are interested in shoot me an email...

    $968 (Avg Bid)
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    4 การประมูล
    Modifications/error resolution/Redesign of Android App 1 วัน left
    ยืนยันแล้ว

    Application type : Education Mock Test App => Some Flow of App need to change => Some error /bugs need to resolve => Redesign at some point(button /fonts/color etc ) => modifications in some functions Backend work may involve in some flow change so developer should have some knowledge of code igniter and must have knowledge of android developing. Details of modifications/error/fl...

    $127 (Avg Bid)
    $127 การประมูลเฉลี่ย
    12 การประมูล

    Hi, We are looking for talented and detail-oriented developers/engineers to work on our patent-pending concept called Parject development. The name of the project is nuCAL, basically, we are looking for 3rd party API integrations to our system, in its own format. We are using Velocity Transformation Language of Apache, and Swagger for definition parts. If you are interested in shoot me an email...

    $1117 (Avg Bid)
    $1117 การประมูลเฉลี่ย
    11 การประมูล
    Wordpress, PHP developer with frontend design talent wanted. 1 วัน left
    ยืนยันแล้ว

    Hi there, I am looking for a talent to join us at our company. This talent will be in-charged of all things related to coding which is the below but limited to: Someone to transform a design to a website. The website in the beginning should have a home page, blog page and a store. The website should be linked with a commerce capabilities for checkout and payments (stripe/paypal). Backend wi...

    $7 / hr (Avg Bid)
    $7 / hr การประมูลเฉลี่ย
    24 การประมูล
    API integration needed using VTL . 1 วัน left
    ยืนยันแล้ว

    Hi, We are looking for talented and detail-oriented developers/engineers to work on our patent-pending concept called Parject development. The name of the project is nuCAL, basically, we are looking for 3rd party API integrations to our system, in its own format. We are using Velocity Transformation Language of Apache, and Swagger for definition parts. I will be sharing detailed documentation t...

    $1125 (Avg Bid)
    $1125 การประมูลเฉลี่ย
    4 การประมูล
    Website Back End Development and Integration of Front End -- 5 21 ชั่วโมง left
    ยืนยันแล้ว

    Fill the ATTACHED NDA out completely, sign and return it as a PDF file. The NDA is in the project files ATTACHED to this project. ***This is a shared project*** I need to know how many members are on your team. Your team will be responsible for the FULL Development and deployment of my website as well as implementing the provided update of the UX/UI, which will be provided by a separate team of...

    $952 (Avg Bid)
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    Software engineering 21 ชั่วโมง left
    ยืนยันแล้ว

    Asp net core Sql database

    $971 (Avg Bid)
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    25 การประมูล
    API integration needed using VTL. 20 ชั่วโมง left
    ยืนยันแล้ว

    Hi, We are looking for talented and detail-oriented developers/engineers to work on our patent-pending concept called Parject development. The name of the project is nuCAL, basically, we are looking for 3rd party API integrations to our system, in its own format. We are using Velocity Transformation Language of Apache, and Swagger for definition parts. If you are interested in shoot me an email...

    $1053 (Avg Bid)
    $1053 การประมูลเฉลี่ย
    7 การประมูล
    Backend for wordpress website 16 ชั่วโมง left

    We are a startup in the area of sharing economy and sustainability, and need help with our MVP. Currently we have a WordPress website with the basic functions that passed already the first consumer test. Now we want to improve our service by enhancing the website or change to an app. Functions needed: • Registration • Upload of items • Swipe and Match, similar to Tinder • Cha...

    $1346 (Avg Bid)
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    64 การประมูล
    Website Back End Development and Integration of Front End -- 4 16 ชั่วโมง left
    ยืนยันแล้ว

    Fill the ATTACHED NDA out completely, sign and return it as a PDF file. The NDA is in the project files ATTACHED to this project. ***This is a shared project*** I need to know how many members are on your team. Your team will be responsible for the FULL Development and deployment of my website as well as implementing the provided update of the UX/UI, which will be provided by a separate team of...

    $759 (Avg Bid)
    $759 การประมูลเฉลี่ย
    17 การประมูล
    Website Back End Development and Integration of Front End -- 3 16 ชั่วโมง left
    ยืนยันแล้ว

    Fill the ATTACHED NDA out completely, sign and return it as a PDF file. The NDA is in the project files ATTACHED to this project. ***This is a shared project*** I need to know how many members are on your team. Your team will be responsible for the FULL Development and deployment of my website as well as implementing the provided update of the UX/UI, which will be provided by a separate team of...

    $870 (Avg Bid)
    $870 การประมูลเฉลี่ย
    10 การประมูล
    Website Back End Development and Integration of Front End -- 2 16 ชั่วโมง left
    ยืนยันแล้ว

    Fill the ATTACHED NDA out completely, sign and return it as a PDF file. The NDA is in the project files ATTACHED to this project. ***This is a shared project*** I need to know how many members are on your team. Your team will be responsible for the FULL Development and deployment of my website as well as implementing the provided update of the UX/UI, which will be provided by a separate team of...

    $569 (Avg Bid)
    $569 การประมูลเฉลี่ย
    16 การประมูล
    Website Back End Development and Integration of Front End 15 ชั่วโมง left
    ยืนยันแล้ว

    Fill the ATTACHED NDA out completely, sign and return it as a PDF file. The NDA is in the project files ATTACHED to this project. ***This is a shared project*** I need to know how many members are on your team. Your team will be responsible for the FULL Development and deployment of my website as well as implementing the provided update of the UX/UI, which will be provided by a separate team of...

    $838 (Avg Bid)
    $838 การประมูลเฉลี่ย
    17 การประมูล
    Busco Full-Sactk Developer. 15 ชั่วโมง left
    ยืนยันแล้ว

    Hola profesionales. Actualmente estoy en busqueda de los servicios de un profesional full-stack con amplia experiencia, dominio y conocimiento, del diseño y desarrollo de sitios webs, ademas de poseer amplia disponibilidad de tiempo. Somos una agencia de desarrollo web y actualmente nos hemos visto en la necesidad de ampliar nuestro staff de trabajores.. El sueldo es de 850$ mensuales ma...

    $833 (Avg Bid)
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    Flutter app with chat and quiz 14 ชั่วโมง left

    Hey there I need a person who can build an app in flutter. I need app with quiz system and chat system. In the chat system :- Chat will be only with admin to the user.

    $262 (Avg Bid)
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    Position Type(React Native Developer) 11 ชั่วโมง left

    Hello Guys! We are looking for an accomplished React Native Mobile App developer with 4+ years of mobile application development, and who is fluent in React Native. We prefer our React Native Developer to have extensive experience building complex mobile applications backed by RESTful JSON APIs, and to have an agile project delivery mindset. We will discuss further once we select the best one. RE...

    $205 (Avg Bid)
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    บทความชุมชน Backend Development ชั้นนำ