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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    49 jobs found, pricing in USD
    Backend project 6 days left

    This is a long-term project. we like to hire someone to work with us in next 2 - 3 years. You’ll build a wide variety of enterprise/consumer facing applications within a team-based Agile environment. The way we build software is strongly influenced by the values of Extreme Programming: feedback, respect, courage, communication and simplicity. We have virtual collaborative project rooms where...

    $29 / hr (Avg Bid)
    $29 / hr Avg Bid
    41 bids
    Invoicing webapp 6 days left

    a web application that integrate with multiple payment gateways , SMS gateway, WhatsApp business, Messenger chatbot, to convert a static order to a payment link

    $506 (Avg Bid)
    $506 Avg Bid
    18 bids

    We're looking for an expert Full Stack, Backend, Frontend and Blockchain Developers to join our team for a long term employment. 1. At least 2 years experience in GIT 2. We are only looking for freelancers (strictly no company) 3. Only CET for the timezone 4. I need your Updated Resume 5. Please Provide your GITHUB 6. High-level communication and execution skills are important.

    $13 / hr (Avg Bid)
    $13 / hr Avg Bid
    11 bids

    Cześć, poszukuję do 1-2 letniej współpracy Senior Developerów z co najmniej 7 letnim doświadczeniem. Szczególnie potrzebuje specjalistów Python, ale szukam do współpracy również specjalistów front-end, back-end, devops i QA. Ze względu na współpracę z amerykańskim zespołem wymagany biegły język angielski. Praca w 100% zdalna, ale jeżeli...

    $29 / hr (Avg Bid)
    $29 / hr Avg Bid
    5 bids
    Python : Django / React 6 days left
    VERIFIED

    << Django server, Using GraphQL >> "AVOID FAKE BID !!!" RESPECT MY MAX BUDGET -Automate SQL query. -Reset admin password -Get image url from quickblox for chat (image fetch) -Call send notification API when sending a message. -assign chats from one user to another user (chat forwarding) CHECK ATTACHED FILE AVOID THIS QUESTION: what is your budget? (YOUR BID IS MY BUDGET!!!)

    $260 (Avg Bid)
    $260 Avg Bid
    2 bids
    Website plug in 6 days left
    VERIFIED

    Adding to a webslte connect Wallet & sign transaction on solana blockchain Looking for a developer who can help about this project

    $492 (Avg Bid)
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    22 bids

    I need an application that has user registration, user login, you can see the people that you have registered with your reference code and the people that they have registered. Inside the account, you need to see bonuses collected for each level and the total amount.

    $241 (Avg Bid)
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    31 bids

    i am looking for full back chain developer that can work with my and with my company because i am a project manager for a company called hayamiyazaki if you know about nft,smart,nft collecting,nft token,nft minting website,nft website i want you to send me offer for me discussion Thanks

    $525 (Avg Bid)
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    5 bids

    Hi, I am looking for a fulltime Full Stack, Frontend, Backend, Blockchain Developers to start immediately. - At least 2 years experience in GIT. - We are only looking for freelancers (strictly no company) - You can work Fulltime. - I need your Updated Resume - Please Provide your GITHUB.

    $17 / hr (Avg Bid)
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    22 bids

    Slice is India's best credit card challenger to pay bills, manage expenses, and unlock rewards ?. Our members love us and swear by us. We're reinventing how traditional credit cards work by offering a simple and transparent app to help our members transact easily. We have about 3 million registered members with an average age of 23, making us a market leader in a niche and growing segmen...

    $695 (Avg Bid)
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    4 bids

    Build a property market place website

    $10 / hr (Avg Bid)
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    26 bids

    Market place for property market

    $7 / hr (Avg Bid)
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    6 bids
    Python Engineering Manager 4 days left
    VERIFIED

    ***IMPORTANT*** ONLY APPLY IF: 1. you are based in Europe, Eastern Europe, South America or Canada 2. you can start right away We are working on a mobile app in the healthcare space. Front End Development is complete but we need a Back End Engineering Lead or Manager. Requirements: - Excellent communication skills - Experience working with a Product Manager & Project Manager - P...

    $42 / hr (Avg Bid)
    $42 / hr Avg Bid
    9 bids

    Hi, I am looking for a fulltime Full Stack, Frontend, Backend, Developers Developers to start immediately. - At least 2 years experience in GIT. - We are only looking for freelancers (strictly no company) - You can work Fulltime. - I need your Updated Resume - Please Provide your GITHUB.

    $12 / hr (Avg Bid)
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    34 bids
    PIM PIMCORE for delivery app 4 days left
    VERIFIED

    We are developing a delivery app (multishop) and would like to manage our product information in Pimcore. We need your backend symfony skill to Part 1 - Install and Deploy Pimcore - Data Structure: Categories, Dependent Information - Define Attributes and Variables - Autoassignment of Attributes - Create Users Part 2, - API Integration with Firebase Pimcore Documentation: [login to view URL...

    $214 (Avg Bid)
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    10 bids
    BumbleBees 4 days left

    An app to connect 2 individuals with similar goals. A hybrid app(Android + iOS) Backend No. of screens 8-12 Social Login to be enabled.

    $383 (Avg Bid)
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    11 bids

    We have created a angular 9 front end for an IoT application , we need that integrated with already existing node js server back end , the server back end has data existing in certain data structures . These have data structures need to be transformed and fed to the front for data updates , location /map updates etc.. Additionally, certain data’s entered in the front end need to stored in th...

    $391 (Avg Bid)
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    5 bids

    We are Arcanium - an agency where technical creatives combine their powers to achieve incredible results around the world. Arcanium was started by technical creatives just like you. We've worked as freelancers, we've started startups, worked at small and large, private and public tech companies and government agencies, and delivered excellent work to many clients over many years. Our ...

    $21 / hr (Avg Bid)
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    24 bids
    Mobile learning Application 4 days left
    VERIFIED

    Cross-platform mobile application, Project is on a Learning management system. The Tech stack used is React Native+ Django Rest framework + AWS. Have to build the whole project. Time is very crucial, have to finish it up before 15 th of November. The application has 3 users. Admin, Instructor, and student.

    $807 (Avg Bid)
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    31 bids

    The application is written in React already and will require to be scaled. Right now is a Monolith. The Monolith should be split in pieces and the data normalized, put on K8S and destributed. Please write down in your application - if you really read this: - How do you scale a react(frontend) + node js(backend) app? - How do you scale a Websockets app? - Link to apps that are Writen in React and T...

    $3493 - $5822
    $3493 - $5822
    0 bids

    I'm an individual android app developer. I need backend developer for API development. I need to developed app like Upwork and freelancer.com

    $18 / hr (Avg Bid)
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    12 bids

    I'm an individual android app developer. And I need some backend developer from India for long term. Hindi speaker. Any backend programming language.

    $8 / hr (Avg Bid)
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    13 bids
    Python : Django - React 2 days left
    VERIFIED

    << Django server, Using GraphQL >> "AVOID FAKE BID !!!" RESPECT MY MAX BUDGET -Automate SQL query. -Reset admin password -Get image url from quickblox for chat (image fetch) -Call send notification API when sending a message. -assign chats from one user to another user (chat forwarding) CHECK ATTACHED FILE AVOID THIS QUESTION: what is your budget? (YOUR BID IS MY BUDGET!!!)

    $240 (Avg Bid)
    $240 Avg Bid
    5 bids
    Node.js Developer 2 days left
    VERIFIED

    Job Description We are looking for an experienced/senior Node.js developer to join our team. An analytical problem solver with deep knowledge of Node.js and a passion for improvement and teamwork is the right candidate for the job role. He/she will be in charge of creating reusable, clear, and versatile code. Job Responsibilities - Collaborate with front-end and back-end developers and desi...

    $31 / hr (Avg Bid)
    NDA
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    33 bids

    We are currently a team of 7 and in the first phase of development. Our project is based around solving the barriers to entry around Nodes. Looking for Backend Developers, Brand Ambassadors and Social Media person who is very knowledgeable with cryptocurrency and Nodes.

    $4090 (Avg Bid)
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    11 bids
    backend and smart contract 8 days left
    VERIFIED

    Token development based on Binance smart chain

    $794 (Avg Bid)
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    54 bids
    Java Developer Expert Needed 21 hours left
    VERIFIED

    I need your 1 or 2 hours to complete the task.

    $17 (Avg Bid)
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    6 bids
    WordPress expert needed -- 2 18 hours left
    VERIFIED

    I have installed the "If Menu - Visibility control for menu items" plugin that conflicts with my theme. My theme is using the "wp_edit_nav_menu_walker" hook that creates the conflict. Please check the conflict message below and the attached screenshot for your reference. If Menu detected a conflict with another plugin or theme (Walker_Nav_Menu_Edit_Custom) and may not work as ...

    $5 / hr (Avg Bid)
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    18 bids
    Back-End Web Developer - IV 18 hours left
    VERIFIED

    We are looking for a back-end web developer to help with website integration, web services, and APIs. Candidates should have some or most of the following skills and experience: - Fluent in scripting languages (e.g., PHP, .Net, C#, Java, or others) - Experience with Go, Laravel, Django, Express, or other frameworks - Experience with SQL and MySQL database systems - Version control (Git) - Knowled...

    $7 / hr (Avg Bid)
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    12 bids

    Have you worked with qr codes before? My web app will have QR code integration, Geolocation and camera access like taking pic then info goes to dashboard. Is this something you can do? programming language can be Haskell, javascript Let me know if you are in design too

    $230 (Avg Bid)
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    21 bids
    Product Technical Architect 14 hours left
    VERIFIED

    Hi, We are building a mobile application with a web version. For backend we are using Node.js and database is done in MongoDb. Our some of modules are already completed. But it was just developed by developers without any architect or proper planning of backend architecture. We are planning to add few more modules where we are looking for a technical architect who work closely with the implemen...

    $5 / hr (Avg Bid)
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    3 bids
    Cars Project 7 hours left

    This project is a car exhibition where it provides many services, including displaying car models, providing a location service, a way to communicate with customers and technical support, and also provides a special section to display available car information such as type, color, price and model, and also provides a special section for communication with customers.

    $11 / hr (Avg Bid)
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    8 bids
    A voice chat application 1 hour left
    VERIFIED

    A voice chat application with flutter technology, a dashboard for control and monitoring, and a website sample : 1) [login to view URL] 2)[login to view URL] 3)[login to view URL]

    $1783 (Avg Bid)
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    86 bids

    We are looking for an experienced developer to create a web application based on g. maps. This is a long-time project which needs to be completed in a few steps. The MVP is the first step, budget for this part is 1 800 USD. By clicking on an icon/area on the map a pop-up appears, logged in users must be able to resister a task, read and add information, upload photos, etc. All info will be stored ...

    $2168 (Avg Bid)
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    40 bids

    We need to built a custom alert for the device when it's stopped. we need the client to select the duration and after that an alert will be triggered on events or/and sent a email notificatio

    $165 (Avg Bid)
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    6 bids

    I have developed the front end of a blog template website. I need someone to develop the backend for me so that the site can contain blogs, log in and sign up users, have a searching mechanism and a few other things so that it can be deployed on a cloud server. I need it in a day. It's urgent. Any other additions and ideas for the website are also welcomed.

    $44 (Avg Bid)
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    9 bids

    "Django server, Using GraphQL" ((AVOID FAKE BID !! time waster stay away)) To be fixed : -Automate SQL query - image fetch ( for chat) -assign chats from one worker(user) to another worker(user) New API To Be integrated: 1. Upload moment 2. Get Current User moments 3. Getting All Users moments 4. Like API Moment/profile 5. Comment, Delete and Report Moments [login to view URL] Gift api...

    $152 (Avg Bid)
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    5 bids

    "Django server, Using GraphQL" ((AVOID FAKE BID !! time waster stay away)) To be fixed : -Automate SQL query - image fetch ( for chat) -assign chats from one worker(user) to another worker(user) New API To Be integrated: 1. Upload moment 2. Get Current User moments 3. Getting All Users moments 4. Like API Moment/profile 5. Comment, Delete and Report Moments [login to view URL] Gift api...

    $224 (Avg Bid)
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    I wouldn't wanna reinvent the wheel. Need a ready made service delivery platform with all the following already developed and ready. -Android App -iOS App -Backend -Admin portal -Apps must be tested and bug free -Deployable source code must be provided

    $2191 (Avg Bid)
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    39 bids

    "Django server, Using GraphQL" ((AVOID FAKE BID !! time waster stay away)) To be fixed : -Automate SQL query - image fetch ( for chat) -assign chats from one worker(user) to another worker(user) New API To Be integrated: 1. Upload moment 2. Get Current User moments 3. Getting All Users moments 4. Like API Moment/profile 5. Comment, Delete and Report Moments [login to view URL] Gift api...

    $130 (Avg Bid)
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    Read the attached Word document for the points that need to be added to the site. If there is ANY point you are not certain of or unsure ask. If the point is not completely satisfied this nullifies the agreement.

    $260 (Avg Bid)
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    I’m hiring a discord expert for mass dm script + acc gen. Complete set up and operation of the script. The goal is the send 500k+/day mass dm. In a sustainable, reliable and scalable way. Available Now Expert Fast If that’s you than let’s do it. Answer why you are the best candidate. Available NOW, responsive and dedicated.

    $1935 (Avg Bid)
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    I am trying to build an ecosystem that will create business for the gaming creators we will stand as a bridge between creators & brands. technical points - - Each creator will have different accounts - Each brand will have a separate account created by an admin for more features. - Organization ( Group of creators lead by an individual ) will also have a page under which they will mention thei...

    $1509 (Avg Bid)
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    "Django server, Using GraphQL" ((AVOID FAKE BID !! time waster stay away)) To be fixed : -Automate SQL query - image fetch ( for chat) -assign chats from one worker(user) to another worker(user) New API To Be integrated: 1. Upload moment 2. Get Current User moments 3. Getting All Users moments 4. Like API Moment/profile 5. Comment, Delete and Report Moments [login to view URL] Gift ap...

    $132 (Avg Bid)
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    5 bids

    Hola amigos, espero estén muy bien. Tengo un sitio web ([login to view URL]) en Woocommerce + Wordpress en donde vendemos entradas a la catedral de sal. En el checkout los usuarios eligen una fecha y esta queda guardada como Custom Field. Ahora bien, necesitamos desarrollar un sistema antifraude el cual explico en el diagrama adjunto. Por favor dime si crees que puedes desarrollarlo, cu...

    $229 (Avg Bid)
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    23 bids

    Acessar uma procedure no banco de dados

    $156 (Avg Bid)
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    16 bids

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