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.

Alkalmazza Backend Developers szabadúszót

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    54 munka, árazás ebben: EUR
    Automation in a game. PC 6 nap left
    HITELESÍTETT

    I am hiring a programmer with enough skills and knowledge within games, to make a backend software to run an open source LUA instruction within specific game to as simulation of automation, movement etc. I'll provide the game name for research purpose, and two open source. One is where it' allows up multi instances, the other one is an open source for the automation I want both to be ...

    €423 (Avg Bid)
    Kiemelt Titkos
    €423 licitátlag
    4 árajánlat

    Hallo liebe Freelance, Wir suchen jemanden für eine Projektrealisierung auf Wordpress / WooCommerce Basis. Das Wordpress als Basis soll mit Hilfe von Directory / Listing Plugins Angebote ausgeben und vergleichbar machen. Das WooCommerce dient weiterführend als Booking und Bezahlergänzung des vorher ausgewählten Angebotes. Es ist ebenso wichtig eine umfangreiche und leistungsst...

    €2753 (Avg Bid)
    €2753 licitátlag
    13 árajánlat

    Hello, I have a food ordering system where I want to edit ingredients for a particular item, and adding each item should also add the prices of that item to the final total. Also, the added item should be shown on the checkout page with the total. It data should be stored in a database. Thank you!

    €15 (Avg Bid)
    €15 licitátlag
    4 árajánlat
    BACKEND DEVELOPER expert needed 6 nap left
    HITELESÍTETT

    FULL BACKEND needed My app is currently using Firebase. We wants to migrate it to Server. YOU have to create Apis, Database and all other features according to it. My app is using the following features: Authentication, Firebase Realtime Database, Storage, Hosting, Cloud Functions, Crashlytics, Cloud Messaging, In-app messaging, AdMob,Dynamic Links. (then to migrate the app with the admin pane...

    €549 (Avg Bid)
    €549 licitátlag
    36 árajánlat
    Backend Developer , needed -- 2 6 nap left
    HITELESÍTETT

    <ATTENTION: AVOID FAKE BIDS/ handyman away> FULL BACKEND needed My app is currently using Firebase. We wants to migrate it to Server. YOU have to create Apis, Database and all other features according to it. My app is using the following features: Authentication, Firebase Realtime Database, Storage, Hosting, Cloud Functions, Crashlytics, Cloud Messaging, In-app messaging, AdMob,Dynamic Link...

    €512 (Avg Bid)
    €512 licitátlag
    25 árajánlat
    BACKEND DEVELOPER needed now 5 nap left
    HITELESÍTETT

    FULL BACKEND needed My app is currently using Firebase. We wants to migrate it to Server. YOU have to create Apis, Database and all other features according to it. My app is using the following features: Authentication, Firebase Realtime Database, Storage, Hosting, Cloud Functions, Crashlytics, Cloud Messaging, In-app messaging, AdMob,Dynamic Links. (then to migrate the app with the admin panel). ...

    €501 (Avg Bid)
    €501 licitátlag
    34 árajánlat

    I have a social network platform [jelentkezzen be az URL megtekintéséhez] that is being worked on. however, I need another developer to fix and complete our email notification system especially emails that go out regular for our users like: emails updates on the people they are following and suggested posts... We also have small issues with getting our social media sharing funct...

    €121 (Avg Bid)
    €121 licitátlag
    22 árajánlat
    Backend Developer , Needed 5 nap left
    HITELESÍTETT

    FULL BACKEND needed My app is currently using Firebase. We wants to migrate it to Server. YOU have to create Apis, Database and all other features according to it. My app is using the following features: Authentication, Firebase Realtime Database, Storage, Hosting, Cloud Functions, Crashlytics, Cloud Messaging, In-app messaging, AdMob,Dynamic Links. (then to migrate the app with his admin panel). ...

    €377 (Avg Bid)
    €377 licitátlag
    20 árajánlat

    Dear freelancers, to build up a Digital Development Factory we are looking for a Senior Sitecore Software Architect and Developers. The client is a global biopharmaceutical company focused on developing and delivering life-transforming therapies for patients with severe and life-threatening rare diseases. To orchestrate and harmonize the digital environments of the client, [...] analyzes ...

    €36 / hr (Avg Bid)
    €36 / hr licitátlag
    8 árajánlat

    Hi we need an e-commerce website and Mobile Apps ( Multi Vendor ) Details Attached 1. Super Admin (Bankend) > Sub Admin Portal > EmployeePortal 2. Vendor Portal 3. Affiliate Portal 4. Customer Mobile Apps ( Android & IOS ) 5. Driver App (Android )

    €2672 (Avg Bid)
    €2672 licitátlag
    117 árajánlat
    BACKEND DEVELOPER needed 5 nap left
    HITELESÍTETT

    FULL BACKEND needed My app is currently using Firebase. We wants to migrate it to Server. YOU have to create Apis, Database and all other features according to it. My app is using the following features: Authentication, Firebase Realtime Database, Storage, Hosting, Cloud Functions, Crashlytics, Cloud Messaging, In-app messaging, AdMob,Dynamic Links. (then to migrate the app with his admin panel). ...

    €350 (Avg Bid)
    €350 licitátlag
    14 árajánlat
    Little apple 5 nap left

    Baby garment brand Named Little apple Website like hopscotch needed

    €140 (Avg Bid)
    €140 licitátlag
    4 árajánlat

    Hello IT geeks, We need few developers for the following skills. We want full-time individual developers only. We need someone to start work immediately and the developer must have at least 3 years of relevant experience. #1 JAVA, Spring Boot, Angular, AWS #2 Python #3 VueJS #4 Node.js #5 ROR (Backend / full-stack) #6 Front end developer #7 Full Stack Developer #8 Android Developer #...

    €1302 (Avg Bid)
    Helyi
    €1302 licitátlag
    60 árajánlat
    BACKEND DEVELOPER needed now 4 nap left
    HITELESÍTETT

    FULL BACKEND needed My app is currently using Firebase. We wants to migrate it to Server. YOU have to create Apis, Database and all other features according to it. My app is using the following features: Authentication, Firebase Realtime Database, Storage, Hosting, Cloud Functions, Crashlytics, Cloud Messaging, In-app messaging, AdMob,Dynamic Links. (then to migrate the app with his admin panel). ...

    €313 (Avg Bid)
    €313 licitátlag
    24 árajánlat
    online quiz 4 nap left
    HITELESÍTETT

    I want to have a control panel where the admin will upload few images then place some questionnaire. Any anonymous user could give the answer along with his details then it will be recorded in an excel sheet and only the admin could view it.

    €284 (Avg Bid)
    €284 licitátlag
    14 árajánlat
    BACKEND DEVELOPER needed -Asap 4 nap left
    HITELESÍTETT

    FULL BACKEND needed My app is currently using Firebase. We wants to migrate it to Server. YOU have to create Apis, Database and all other features according to it. My app is using the following features: Authentication, Firebase Realtime Database, Storage, Hosting, Cloud Functions, Crashlytics, Cloud Messaging, In-app messaging, AdMob,Dynamic Links. (then to migrate the app with his admin panel). ...

    €320 (Avg Bid)
    €320 licitátlag
    17 árajánlat

    Develop a web app on a topic of your choice using supportive frameworks and technologies. The aim of the project is to research, design, implement and report on relevant technologies related to Web Development for Information Systems. The project must involve a complete Inforamtion System solution in the form of a Web App or proof of concept system. Subject areas for this project cover a wide var...

    €100 (Avg Bid)
    €100 licitátlag
    5 árajánlat
    BACKEND DEVELOPER needed /asap 4 nap left
    HITELESÍTETT

    FULL BACKEND needed My app is currently using Firebase. We wants to migrate it to Server. YOU have to create Apis, Database and all other features according to it. My app is using the following features: Authentication, Firebase Realtime Database, Storage, Hosting, Cloud Functions, Crashlytics, Cloud Messaging, In-app messaging, AdMob,Dynamic Links. (then to migrate the app with his admin panel). ...

    €311 (Avg Bid)
    €311 licitátlag
    19 árajánlat

    We seek a Chatbot Developer to insert FAQ to a chatbot embedded to a Shopify store and publish it on a Facebook page. The chatbot should propose the following categories: - Information about products - Shipping - Returns - Payment - Frequently asked questions At least one experience with chatbots would be appreciated. Message me for more information

    €16 / hr (Avg Bid)
    €16 / hr licitátlag
    31 árajánlat
    DAPP , WEB3 4 nap left

    hey , i am looking for someone to create a dapp and web3 extension

    €12 / hr (Avg Bid)
    €12 / hr licitátlag
    4 árajánlat

    Buna ziua. Caut un backend developer cu Python si Django. Pentru mai multe detalii va rog sa puneti o oferta. Va multumesc.

    €434 (Avg Bid)
    €434 licitátlag
    6 árajánlat

    Buna ziua. Caut un backend developer cu PHP si Laravel. Pentru mai multe detalii va rog sa puneti o oferta. Va multumesc.

    €397 (Avg Bid)
    €397 licitátlag
    32 árajánlat

    We need a Full Stack WebApp developer for a Complex Shipping Comparison Website. This site will compare rates between DHL, FedEX, UPS etc. Main goals: • Bechmarking of the big shipping companies websites e.g DHL, FedEX, UPS etc and take the best of each one. • Make and extremely EASY to Use dashboard for the registered users. • Lightweight and very fast website (don’t use tri...

    €624 (Avg Bid)
    €624 licitátlag
    17 árajánlat

    Hi there, I am currently looking for a web developer for a C2C marketplace that would be catering for Sneakers, Streetwear, Luxury Goods and Collectibles. I have listed the general functionality of how I envision the website should be Functionality of the Website (General) 1. Base of the website is an E-Commerce Marketplace focusing on Sneakers/Streetwear/Collectibles that allows individual se...

    €579 (Avg Bid)
    €579 licitátlag
    12 árajánlat
    BACKEND DEVELOPER needed -- 2 4 nap left
    HITELESÍTETT

    FULL BACKEND needed My app is currently using Firebase. We wants to migrate it to Server. YOU have to create Apis, Database and all other features according to it. My app is using the following features: Authentication, Firebase Realtime Database, Storage, Hosting, Cloud Functions, Crashlytics, Cloud Messaging, In-app messaging, AdMob,Dynamic Links. (then to migrate the app with his admin panel) ...

    €230 (Avg Bid)
    €230 licitátlag
    11 árajánlat
    BACKEND DEVELOPER Needed -- 4 4 nap left
    HITELESÍTETT

    Need FULL BACKEND now instead of Firebase for our Android App (has admin panel) you have to create Apis And Database and all other features according to it (detailed below): 1/Build Authentication,Database/Realtime Database, Storage, Hosting, Functions, and Machine Learning 2/Release & Monitor Crashlytics, Performance, Test Lab, and App Distribution 3/Analytics Dashboard, Realtime, Events, ...

    €401 (Avg Bid)
    €401 licitátlag
    16 árajánlat

    Hello! Tools: Flutter / Dart I have an app that I've been working on for a while (myself and another coder); it's centered around Stock Market investing. We're in the final stretch before shipping the app. Now I need for someone to help with coding the paper trading feature. I will give you access to the project on GitHub if accepted. Needs for the paper trading feature: - Allow...

    €130 (Avg Bid)
    €130 licitátlag
    21 árajánlat

    I’m an individual and I want someone to create an android app for my idea. I don’t have much budget as I’m a college student. I’ll be thankful if you can make an app in that budget

    €98 (Avg Bid)
    €98 licitátlag
    4 árajánlat

    We're looking to build an NFT Exchange Marketplace with a unique twist - instead of having creators be able to upload individual NFTs or group of several NFTs for sale, they're creating 'collections' of NFTs which buyers can then buy 'packs' from. The packs will contain a small number of randomly selected NFTs from the collection, like a booster pack of Pokemon or bas...

    €32 / hr (Avg Bid)
    €32 / hr licitátlag
    23 árajánlat

    Development of a Mobile Multiplayer FPS gaming App in Unity 3D. Similar to PUBG graphics but with different gaming model. iOS, Android, WebGl. Multiplayer backend development needed with Matchmaking Services and Server Allocation Manager. Hosting in Cloud with Google Cloud, Amazon AWS, Azure etc with easy scalability. Need to integrate Crypto Currency Wallet into the menu and custom gaming logic....

    €10460 (Avg Bid)
    Titkos
    €10460 licitátlag
    20 árajánlat

    We're building a platform connecting business with local consumers. For this project, we're looking for a backend developer who can build databases and write APIs. Those interested, have a strong desire to do quality work and enjoy challenging projects and tight deadlines, please don't hesitate to contact us. We look forward to hearing from you.

    €577 (Avg Bid)
    €577 licitátlag
    48 árajánlat

    i'm looking for a developer that can work with us on a new project: Project details: The idea is to create a an App that will be accessible for grand public for Hypermarket sales.

    €1207 (Avg Bid)
    €1207 licitátlag
    34 árajánlat

    connection between python mysql and react native application

    €31 (Avg Bid)
    €31 licitátlag
    8 árajánlat

    Hello Everyone! I hope you all are doing well. ONLY FOR INDIANS so, without wasting your time, I want to tell you that I need a expert php developer ! [jelentkezzen be az URL megtekintéséhez] I have given above website link first of check this website so, as you can see that this is a strach and win website when you strach it generates random amounts and you have to send it yo...

    €12 (Avg Bid)
    €12 licitátlag
    2 árajánlat

    I am building a discovery website. I need a full-stack developer with graphic design experience.

    €9 / hr (Avg Bid)
    €9 / hr licitátlag
    48 árajánlat

    I am building a discovery website. I need a full-stack developer that does graphic design as well.

    €814 (Avg Bid)
    €814 licitátlag
    103 árajánlat

    Windows and web based. To be used by small and large enterprises.

    €80 (Avg Bid)
    €80 licitátlag
    3 árajánlat

    I would like to migrate the data from Law Fusion CRM into Proclaim CRM. I am looking to migrate the CMS data and reconcile this with the Accounts Module too. Please note this is not a just a SQL export / import as it must be sanity checked and the client details and records must match up to the accounts side of it too. I have the data available to be exported from Law Fusion ready to go into ...

    €2672 (Avg Bid)
    €2672 licitátlag
    22 árajánlat

    We need Full Stack developer to work with our team for 3 Month.. (India Only) must have good knowledge of PHP, MySQL and Frontend Languages.. [Removed by Freelancer.com Admin for offsiting - please see Section 13 of our Terms and Conditions] Note :- You should have project experience in above mentioned language, Strictly necessary for serious job

    €458 (Avg Bid)
    €458 licitátlag
    9 árajánlat
    blackbird algorithm 2 nap left
    HITELESÍTETT

    i need of a developer to improve blackbird algorithm and create frontend and backend webiste

    €1142 (Avg Bid)
    €1142 licitátlag
    14 árajánlat

    I'm looking for a PHP backend developer who has experience working with Yii2 framework for backend API used for our mobile application. This will be a long-term position for a right candidate. Should be able to work during the US business working hours. Thank you

    €18 / hr (Avg Bid)
    €18 / hr licitátlag
    61 árajánlat

    connection between python mysql and react native application

    €25 (Avg Bid)
    €25 licitátlag
    4 árajánlat

    Just Want to make connection with wix site and Bitcoin **By writing code just make connection You should have knowledge about backend code... [jelentkezzen be az URL megtekintéséhez]

    €531 (Avg Bid)
    €531 licitátlag
    2 árajánlat

    We are looking for freelancers based in Ukraine, so no agencies please!!! About us: Cira Apps Limited is a SaaS company with solutions that enhance Office 365 productivity for iPhone and Android business users. CiraSync, the flagship product, is used by more than 11,500 companies to provide productivity gains and cost savings of contact and calendar automation. The company is headquartered in Sa...

    €27 / hr (Avg Bid)
    €27 / hr licitátlag
    37 árajánlat

    Needs to hire 2 Freelancers Hi, Our Software Design Agency is hiring two experienced freelancers to join our team of designers. All the activities will be conducted in collaboration with the UX design lead of Salsedine. Is requested availability of 2 days a week for each person, 8h day. At this moment we are looking for a UX Researcher and a Graphic Designer to be part of our group of talented ...

    €17 / hr (Avg Bid)
    €17 / hr licitátlag
    22 árajánlat

    I want a Crypto Exchange platform. I have a team which is working on UI part, I just need backend developer for exchanging crypto within platform.

    €28 / hr (Avg Bid)
    €28 / hr licitátlag
    11 árajánlat

    We are a group of Software Engineers (Ex-Google, Ex-Uber & Ex-Microsoft) who work with Individuals, SMEs & early-stage startups helping them build their tech. Due to significant growth in recent times, we are expanding our freelance team and looking for experienced developers. Shortlist Criteria 1. Experienced Professionals with a good portfolio 2. Freelancer.com Rating >= 4.5 OR UpW...

    €128 (Avg Bid)
    €128 licitátlag
    7 árajánlat

    We are a new startup and in order to enhance our service, we like to build an Android & IOS app. It is supposed to be a dynamic app (with 10-12 pages) offering service to end customers as well keeping a profile and record of the customers and the employee serving the customer. Need to have both backend & API to keep the records in sync with various other applications. More details will be ...

    €1376 (Avg Bid)
    €1376 licitátlag
    30 árajánlat

    need someone to help me create a website for an investment company. there will be one main domain , 8 sub domains and 19 websites in all

    €600 (Avg Bid)
    €600 licitátlag
    29 árajánlat
    Laravel Website - Multi Dashboard 2 nap left
    HITELESÍTETT

    ...READ CAREFULLY THEN BID. MAX BUDGET $30... I require some modifications and feature addition on my current website but before that I wanna ask that have you previously worked on multi dashboard site with a payment gateway in laravel? It will going to be a long-term project on which I will be requiring some additional features every 1-2 months so will you be available for that? More precisely, ...

    €35 (Avg Bid)
    €35 licitátlag
    7 árajánlat

    A legjobb Backend Development közösségi cikkek