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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    36 znalezione projekty, cennik w USD
    ship with a traveler 6 dni left
    ZWERYFIKOWANY

    Hi, I am looking for someone to develop an app for shipping stuff with traveler locally or over seas .. by car or flight or train or sea. the app will be as a market place where traveler can post their flight information and in different page for shipper to post their need with the prize.. I need the app to be supported with map for easy search , where traveler will be flagged with their des...

    $1193 (Avg Bid)
    $1193 Średnia Oferta:
    7 składanie ofert

    I need to build a community with individual profile with chat features, open, private and group. here is a diagram, they are able to design their own pages, however I do have a structure. add emojies, and color scheme and what ever else to make page attract. They can do live chats, video and audio content. Their page is all about them. Will you be adding your own plugins? Let me know if we can ha...

    $115 (Avg Bid)
    $115 Średnia Oferta:
    6 składanie ofert
    Football data system, and filters 6 dni left
    ZWERYFIKOWANY

    ***** PLEASE GIVE YOUR REAL PRICE, OR WILL BE REPORTED ***** I want to develop a website / system, with the following requirements: Front-end: Website with package values ​​(monthly, quarterly or annual fees will be charged), and content about the system. User login area, where you will have statistics for all live football matches (see example), where the user will be able to filter the games a...

    $830 (Avg Bid)
    $830 Średnia Oferta:
    21 składanie ofert

    I'm looking for a node.js developer to code an email server like gmail. you can use something open source like cuttle fish or cowmail. you'll need to format html text to messages, forwarding, replying, spam detection etc

    $4000 (Avg Bid)
    $4000 Średnia Oferta:
    3 składanie ofert

    I'm looking for a senior node.js developer to code the backend for a messaging app like WhatsApp and backend for an email server like gmail

    $4555 (Avg Bid)
    $4555 Średnia Oferta:
    9 składanie ofert

    In this project, I need you to build me a mobile app, something like big basket or zomato. To buy groceries from home in this pandemic situation. I need consistent follow-ups and updates. I need both front end and back end to be ready asap. Don't worry about the pay, I got you =)

    $1104 (Avg Bid)
    $1104 Średnia Oferta:
    8 składanie ofert

    I have a website application developmental plan like google meet/Zoom. I'm looking for a person who is enthusiast in learning new things and best fit for both application development and website development. He/she should be responsible for end to end process.

    $145 (Avg Bid)
    $145 Średnia Oferta:
    9 składanie ofert
    ludo website 6 dni left

    I need a new website. I need you to design and build a landing page.

    $143 (Avg Bid)
    $143 Średnia Oferta:
    8 składanie ofert
    Webapp to record hydration status 5 dni left
    ZWERYFIKOWANY

    Hi! I am trying to find a front and back end developer that I can work with to program a website with an admin view, to have access to a suite of apps, this task will include: - Website Admin view. - One web app to record hydration status. I am new at submitting documentation requests, so please bear with me attached you will find a word document and an XD file done by me with possible views of ...

    $161 (Avg Bid)
    $161 Średnia Oferta:
    3 składanie ofert

    I need an Android app and iOS app. I would like it designed and [zaloguj się, aby wyświetlić URL] app that would for work for ordering system. Like people can order services from the app and the app owners will provide people to do the certain services demanded by customers.

    $176 (Avg Bid)
    $176 Średnia Oferta:
    8 składanie ofert

    The project aims to build an app to help users track porfolio / investment (stocks, crypto, real estate). The app will have two main parts: 1. Backend: Mainly a database to get market data from different sources to show it to users. 2. Front-end: Mainly a mobile app (iPhone) for users to add their investment details. Key questions: 1. What are the top technologies recommended for the app 2. How...

    $18 / hr (Avg Bid)
    $18 / hr Średnia Oferta:
    18 składanie ofert

    requirements : • website build & design • front-end & back-end developer • marketing & advertising digitally -for this project we gave % of stake(equity) in business. age < 30

    $2 / hr (Avg Bid)
    $2 / hr Średnia Oferta:
    2 składanie ofert

    I'm very clear and experienced employer with very clear requirements aiming for smooth and fast workflow, kindly note point 3, 4, 5 and 6 are already established but not completed. - all required points are explained very well in attached file. - the website link is [zaloguj się, aby wyświetlić URL] - it is php based on zend framework (socialengine if you know socialengine it would be better...

    $2180 (Avg Bid)
    $2180 Średnia Oferta:
    18 składanie ofert
    Puzzle Game Dev 4 dni left
    ZWERYFIKOWANY

    I'm looking for a developer that has good experience with unity, to work on a puzzle game for android. you should be able to work on both the frontend and backend. You should also have experience with creating unity projects for iOS. The overview of the current work on the game are: 1. UI makeover 2. Improvement of puzzle mechanics 3. other fixes in the app. the project is capped at USD ...

    $187 (Avg Bid)
    $187 Średnia Oferta:
    14 składanie ofert

    I would like to have the code of my trading app updated. At the moment, it uses RSI to find trade entries. The update changes the search of trade entries from RSI to Candlestick patterns search. It's a budget project and needs fast execution. A developer who understands Forex/Stock or Binary Options trading is required.

    $293 (Avg Bid)
    $293 Średnia Oferta:
    5 składanie ofert

    i want add custom payment getaway to my site my site is not wordpress i use this script https://codecanyon.net/item/smartpanel-smm-panel-script/23595718&ref=seji2906 and this Integration Doc from bank [zaloguj się, aby wyświetlić URL] The script already supports foreign payment gateways You can cancel it and add our own instead Please study the case well before responding to the offer ...

    $202 (Avg Bid)
    $202 Średnia Oferta:
    25 składanie ofert

    I want backend for this app. [zaloguj się, aby wyświetlić URL] NODEJS, mongodb, or php mysql preferred

    $396 (Avg Bid)
    $396 Średnia Oferta:
    11 składanie ofert

    We are a webshop for Japanese alcohol and we are looking to add a product recommendation algorithm for alcohol based on a taste profile to our shop. General idea: Customer has a certain taste profile with multiple parameters. This profile is then compared to the product's taste profiles and the product(s) with the closest taste profile. The customer's taste profile might be updated base...

    $2303 (Avg Bid)
    $2303 Średnia Oferta:
    13 składanie ofert

    I had someone finish my front-end design light/dark mode's so please don't message me about doing the front design. I just need the back-end complete to make the app work.. This is a very complex job to make the functions work based off Math, But I will give the equations and full documentation on application, Also must be able to work on a budget funds are very low so be ready for that ...

    $508 (Avg Bid)
    Projekt z Umową o Zachowaniu Poufności
    $508 Średnia Oferta:
    18 składanie ofert
    IOT project 3 dni left

    Reconocida empresa especializada en el desarrollo de soluciones de IOT y telemetría requiere para un proyecto el siguiente equipo de profesionales: Front-end developer Back-end developer UX-UI designer Mobile apps developer Project Manager En el documento anexo encontrarás una detallada descripción de los perfiles requeridos para cada posición. Si calificas para algu...

    $21 / hr (Avg Bid)
    $21 / hr Średnia Oferta:
    11 składanie ofert

    Soy Inês de Carrots Lab, una startup con sede en Barcelona que se dedica a la identificación de tendencias en el sector mobile, donde desarrollamos y monetizamos nuestras propias apps (te dejo nuestra web: [zaloguj się, aby wyświetlić URL]). Actualmente estamos buscando ayuda para este pequeño proyecto: Requerimientos del proyecto: Realizar una collection en Postman para la ...

    $211 (Avg Bid)
    $211 Średnia Oferta:
    2 składanie ofert

    안녕하세요. 주식회사 플랫폼박스입니다. 우리는 스포츠 컨텐츠와 앱테크를 융합한 앱을 개발 준비 중입니다. 현재 디자인 작업과 프로토 타입 구상은 완료됐습니다. 이제 백엔드 개발, 프런트 엔드 개발, 관리자 페이지 개발 등을 해야 합니다. 디자인 및 개요 등은 첨부 파일을 통하여 확인하시기 바랍니다.

    $2105 (Avg Bid)
    $2105 Średnia Oferta:
    20 składanie ofert
    Create a Woocommerce plugin 2 dni left
    ZWERYFIKOWANY

    ***** WE ONLY HIRE DEVELOPERS IN EUROPE ***** I have many projects with Worpdress plugin and looking for someone who really knows how to do, who is serious and will deliver good work and support. Many problems before with freelancers and looking for the right partner for long term missions Fro this particular mission, This plugin is pretty straightforward, the goal is to get the following inform...

    $731 (Avg Bid)
    $731 Średnia Oferta:
    35 składanie ofert

    As partner you able to join our team. As reward for your work we gave % of stake of our business, it's long term partnership goal for business. Age < 28 recruiter knowledge in : web development & design back-end Development website build

    $18 (Avg Bid)
    $18 Średnia Oferta:
    4 składanie ofert
    Android mobile app -- 2 2 dni left
    ZWERYFIKOWANY

    Looking to have my mobile app developed to completion on the Android market. Typical social media features and some added dynamic features. Design/UX of the app is not set so I am looking for someone who will be able to help me with that as well. I am looking for someone who will work well with my project manager. A talented developer who is transparent, a great communicator, reliable, and consis...

    $1593 (Avg Bid)
    Projekt z Umową o Zachowaniu Poufności
    $1593 Średnia Oferta:
    66 składanie ofert
    Flask-Python-SQLalchemy expert 2 dni left
    ZWERYFIKOWANY

    Hi, I am looking for someone who can start immediately to help restructure the code for the backend which is in python and is very good with flask and database.

    $127 (Avg Bid)
    $127 Średnia Oferta:
    26 składanie ofert
    Python- Sqlachemy-Flask_admin 1 dnia left
    ZWERYFIKOWANY

    Looking to hire someone immediately who can start work now on a project of python, sqlalchemy and flask-admin. It is an urgent requirement and want someone to start now.

    $116 (Avg Bid)
    $116 Średnia Oferta:
    20 składanie ofert

    We are looking for somebody to manage the various sub-projects that are developed in Freelancer for a CRM system. The workscope is: 1. To listen the management needs, preparing the detailed technical specifications of the sub-project and making ready to post in freelancer. 2. To review bids from freelancers and choose the right freelancer 3. When a bid is accepted: Answer the questions of the fr...

    $20 / hr (Avg Bid)
    $20 / hr Średnia Oferta:
    54 składanie ofert

    Looking for Golang developers (from India) to work for our enterprise client as freelancers who can work 40 hours/week - Must have 2+ years of relevant experience and 5+ years of total IT experience. - Location/ Region: Candidate must be residing in India. - Must submit to a criminal background check if required. - Must be able to work for 3-6 months (This is a freelance opportunity, not a permane...

    $21 / hr (Avg Bid)
    $21 / hr Średnia Oferta:
    6 składanie ofert

    Looking for Golang developers to work as freelancers who can work 40 hours/week (8 hours/day IST). - Must have 2+ years of relevant experience and 5+ years of total IT experience. - Location/ Region: India (WFH) - Must submit to a criminal background check if required. - Must be able to work for 3-6 months (This is a freelance opportunity, not a permanent job). - Remote Job: Work from anywher...

    $18 / hr (Avg Bid)
    $18 / hr Średnia Oferta:
    3 składanie ofert
    Full-Stack React Native developer 1 dnia left
    ZWERYFIKOWANY

    We are seeking a full-stack React Native mobile app developer who is able to build iOS and Android version with Back-End in a timely manner. The app will be used between students and entrepreneurs to buy and sell the products and services.

    $4339 (Avg Bid)
    $4339 Średnia Oferta:
    55 składanie ofert

    I need to complete lot of tasks.. but lets start with first one: I need to add analytics code to track a custom payment gateway flow (outside woocommerce) and track conversion and amount. [zaloguj się, aby wyświetlić URL] is the required flow.

    $18 (Avg Bid)
    $18 Średnia Oferta:
    9 składanie ofert

    I am looking for a developer to create a saas product that would essentially take a word or pdf document and extract key information/data out of it, and import that data onto a prebuilt spreadsheet/presentation template. For example, when our firm sends out an rfp, we will send it to 10-15 different vendors. Each vendor will then respond to our rfp with their proposal, each of which is in a differ...

    $15176 (Avg Bid)
    $15176 Średnia Oferta:
    10 składanie ofert

    Project for on-demand delivery services, Requirement: NodeJS, NestJS, TypeScript, RealTime, Push Notifications.

    $1392 (Avg Bid)
    $1392 Średnia Oferta:
    41 składanie ofert

    I need a new website from beginning. Everything from front-end to back-end site It's ecommerce website type.

    $40 (Avg Bid)
    $40 Średnia Oferta:
    10 składanie ofert
    Social Media Application 16 godzin left
    ZWERYFIKOWANY

    I will like to create as soon possible a social media application with the following features: 1. Application similar to Facebook [zaloguj się, aby wyświetlić URL] stream 3. Live stream with capability for people to chat during live (text, emoji, etc.) [zaloguj się, aby wyświetlić URL] post for people to view [zaloguj się, aby wyświetlić URL] application should support multiple users accoun...

    $19 / hr (Avg Bid)
    $19 / hr Średnia Oferta:
    83 składanie ofert

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