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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    4 numbering lucky draw system, lucky number feeds through the mobile app, we have different lucky draw numbering system, A,B,C,D - Default Format, all feeds need time stamps and manual time configuration. Example (Morning 06:00 AM to Evening 2.30 PM). Output of total the total user input feed export as a excel sheet from the admin panel login. once backup-ed the data we can clear the database.

    $241 (Avg Bid)
    $241 Avg Bida
    5 bida

    Dear freelancer, i need a Venue booking app, for such as meeting rooms, sport Venues, swimming pools and anything related. requirements: - design and development full solution. -user IOS and android. (flutter/ react) frontend - provider app - owner backend panel + app. features are: search by venue/ activity. selecting time and date, kindly if you did such project before include a demo or screenshots of the app you made.

    $2278 (Avg Bid)
    $2278 Avg Bida
    40 bida

    Greetings, i am looking for someone who has verified their google app (/project) in console.cloud.google.com. The app/project must have following scopes: if you know what you are reading then it think that's enough to explain what i am looking for.. 1. Priority will be given whom project has more scope verified 2. Priority will be given to whom don't need the google account any longer and can transfer ownership to me. thanks in advance && happy bidding best regards

    $10 - $100
    Dimeterai
    $10 - $100
    2 bida

    The code would be developed in Javascript/typescript to read stock data from the market and then put buy or sell orders based on strategies.

    $7 / hr (Avg Bid)
    $7 / hr Avg Bida
    14 bida
    Gaming Website Backend 6 hari left
    DISAHKAN

    ill send description in depth but the overall gist of the project is to do a backend that allow users to search for matches and report the outcomes of the match.

    $1036 (Avg Bid)
    $1036 Avg Bida
    80 bida

    We have a project already developed with a web admin panel for an App (Winzy) and APIs coded which when hit via a http call return response in JSON format. We need someone to fix a current OTP issue and correct it with current DLT platform requirements. So your job would be to access the existing code base and make the necessary changes to enable the web admin panel as well the APIs. Also you would have to work on adding new APIs if required. Experience in developing Push notification is added advantage. Any additional queries would be resolved via chat or a call.

    $122 (Avg Bid)
    $122 Avg Bida
    24 bida
    eComLovers.com 5 hari left

    Olá! Tudo bem? Somos uma Startup de Recrutamento e Seleção com banco de talentos. Hoje eu tenho um site: Este site foi um MVP que deu certo para o meu negócio. Ele foi feito em Wordpress + Google Workspace (Planilhas + Forms). Agora, eu preciso que este projeto evolua! Estou a procura de alguém que consiga transformar este site em um appweb com cadastro de usuário, para que cada cliente (usuário) consiga subir o seu perfil e habilidades (que hoje ele sobe via google forms), consiga também atualizar o seu perfil quando quiser (como no linkedin). Em tópicos o projeto se resume a isto: - Front (app web) para cadastro do perfil. Tipo linkedin profile mas com o estilo/UI do meu site atual, com corações e apenas p...

    $193 (Avg Bid)
    $193 Avg Bida
    11 bida

    We need a mobile application that will be written in Flutter or another hybrid language. We will apply some css codes to the application that needs good css knowledge. We can work together in the backend depending on the situation.

    $547 (Avg Bid)
    $547 Avg Bida
    69 bida

    Hello, I need to make 1 scripts to automate tasks with the praw library in my SubReddits. In short: Copy title + link from a list of subreddits (Source). and publish them in another list (Destination). If you have worked with the Reddit API you will quickly understand this when I send you the exact details. Please, if you don't have experience with the Reddit API don't bid.

    $33 (Avg Bid)
    $33 Avg Bida
    6 bida

    Flutter veya baska bir hybrid dil ile yazilacak mobil uygulamaya ihtiyacimiz var css bilgisinin iyi olmasi gerekli uygulamaya bazi css kodlari uygulayacagiz . duruma gore backend icinde beraber calisabiliriz .

    $423 (Avg Bid)
    $423 Avg Bida
    17 bida

    A game that we wish to launch through a personal website Website needs: + Everything built from scratch (no Wordpress etc.) and optimized for speed + Signup (confirmation code on email) and Login system for clients, allowing for PayPal transactions + Multi-layer avatar creation + Responsiveness, screen rotation + The application should be created as microservices to be easily scaled Details: + Full website specifications are ready to be provided after signing an NDA + We provide the design as icons, photos and mockups + No requirement on the backend and frontend programming language. Deadline: 15th November Proposal: + Please submit proposal only if you know that you can start as soon as possible, as the deadline is hard + When submitting a proposal, show us a portofolio with your wor...

    $1310 (Avg Bid)
    $1310 Avg Bida
    66 bida

    you need to write from scratch the software for the game with live dealers.

    $10357 (Avg Bid)
    $10357 Avg Bida
    32 bida

    We want to build a Shopify App that integrates a Shopify Store with our service. Full briefing attached.

    $2295 (Avg Bid)
    $2295 Avg Bida
    69 bida

    Hi, I have a PHP script installed on my server that has a Proxy feature included, this feature is not working and the proxies are not added or not working, I need someone with good experience to fix that issue and let the proxies work fine on my PHP script, preferable backend developer with a server technical background. I will give more details about my server and PhP script for the right one. Thanks

    $15 / hr (Avg Bid)
    $15 / hr Avg Bida
    46 bida

    Hello, I need to make 1 scripts to automate tasks with the praw library in my SubReddits. In short: Copy title + link from a list of subreddits (Source). and publish them in another list (Destination). If you have worked with the Reddit API you will quickly understand this when I send you the exact details. Please, if you don't have experience with the Reddit API don't bid.

    $20 (Avg Bid)
    $20 Avg Bida
    6 bida

    Hello, I need to make 2 scripts to automate tasks with the praw library in my SubReddits. In brief: Script1: Copy title + link from a list of subreddits (Source) and publish them in another list (Destination). Script2: Take each of the posts published in the list (Destination) And crosspost to a new list of SubReddits. If you have worked with the Reddit API you will understand quickly when I send you the exact details. Please if you don't have experience with Reddit API don't bid. I've wasted a lot of time with people who don't know how to handle it. My maximum budget is 100$. Note: If you are interested read the description and send me your budget, I can adapt to your price. If you have experience with praw library please write me and I will give you ful...

    $87 (Avg Bid)
    $87 Avg Bida
    23 bida

    We are searching for Full-Stack Developer to join and support our growing team. In this position you should be comfortable around both front-end and back-end coding languages, development frameworks and third-party libraries. You should also be a team player with a knack for visual design and utility. If you’re also familiar with Agile methodologies, we’d like to meet you. Responsibilities: Design client-side and server-side architecture Build the front-end of applications through appealing visual design Develop and manage well-functioning databases and applications Write effective APIs Test software to ensure responsiveness and efficiency Troubleshoot, debug and upgrade code Create security and data protection settings Write technical documentation Work with data scientist...

    $4061 (Avg Bid)
    $4061 Avg Bida
    76 bida
    TRADEON COMPANY 4 hari left

    INVESTMENT WEBSITEVFOR BOTH FRONT END AND BACK END ,WEBSITE MAINTAINENCE

    $248 (Avg Bid)
    $248 Avg Bida
    9 bida

    Required qualifications: Interest and enthusiasm for Artificial Intelligence and Machine Learning Proven ability to write clean code Strong Computer Science fundamentals in data structures, algorithm design, and problem solving Strong Intuition architecting, building, and scaling complex systems Collaborate with Product Designers, ML Scientists and external stakeholders to deliver compelling user-facing products Strong customer focus with ability to translate user requirements into good design Ability to take a project from scoping its requirements through to the actual launch Experience with continuous integration (CI) and continuous delivery (CD)

    $21 / hr (Avg Bid)
    $21 / hr Avg Bida
    36 bida

    Hello, We would like to build such app like this, where users can sign in and then add their social media accounts to showcase such stats in their profile! How much this will cost wit all necessary things (Frontend+backend+security+deploying+auth system etc...) and how much days? we would like to work with milestones, step by step

    $545 (Avg Bid)
    $545 Avg Bida
    22 bida

    Project involves building a backend to - manage building info - manage rental unit info - build list view of units - build unit template, that loads unit info. - enable hover and click feature on CSS ID named layers in .svg image See attached PDF for description and specification for this project. Solution should be contained in a plugin. The described Tabs feature is described here: https://www.freelancer.com/projects/html/Build-shortcode-functionality-show-hide/ In your bid please provide the following: 1) Your total bid amount should be for tasks 1, 2A, 2B, 3. 2) In your bid text, please price task 2B as a addon. ----------- I expect that you are experienced and can confidently estimate a bid that does not increase after we have agreed on a final price. I expect...

    $1000 - $2000
    Dimeterai
    $1000 - $2000
    152 bida

    Hello I need a WordPress expert to make a forum plugin. It has to link up and integrate with buddypress The specific function required is the following 1. when a logged in user creates a new post, an empty new post should simultaneously be formed in the forums consisting of just the title of the post IE user posts page with title The Lion King using two hashtags zoo and lions In the forums, a post is created with the title The Lion King 2. the empty forum post needs to be organised as per the hashtags set in the post. IE. primary hashtag = main category eg zoo secondary hashtag = subcategory eg lions title of post = title of forum post eg The Lion King 3. any comments and replies to the posts either on the post page or to the post in the forums need to reflect in both places in rea...

    $187 (Avg Bid)
    $187 Avg Bida
    88 bida

    I am the founder of friggly. For reference - I have to do following tasks :- 1. Create a New Website design which consists of 1 static page. 2. Create an App design from scratch 3. Create a fresh logo 4. Create a fresh android app using the native android framework. and create a backend application with existing features and Caller Id & Spam Blocking App like Truecaller

    $343 (Avg Bid)
    $343 Avg Bida
    12 bida

    Hotel Management Software enhancement and improvement project. Tasks to be split into 2 segments:- 1. To improve Front End UX/UI 2. To convert from stand-alone installer based application to web browser based technology Software is known as HANIS (Hotel Administration & Information System) Developed 10 years ago using VB.Net framework with MS SQL database backend. It needs a new front-end look and feel with better user navigation and experience. Also we would like to change it to a web browser based application hosted on the cloud and no longer on-site installation based application. Knowledge and product history will be shared and guided by our in-house Business Analyst and Coordinator. Open to all sorts of recommendations and suggestions

    $1273 (Avg Bid)
    $1273 Avg Bida
    51 bida
    $750 - $1500
    12 bida

    We are looking for PHP developer (upto 10 freelancers) having sound knowledge of backend development (PHP, Laravel, CodeIgniter, API implementation, Payment gateway integration, etc). Please bid if you are available for long term Full Time position. Please start your proposal with the word "success" and share your past projects

    $105 (Avg Bid)
    $105 Avg Bida
    24 bida

    i need at-least 40 api in shortest time apply inly if you can

    $105 (Avg Bid)
    $105 Avg Bida
    15 bida
    Online Tutoring Platform 1 hari left
    DISAHKAN

    - Egnlish Tutoring platform - Twilo Integration - Stripe Integration - CMS required - Development skills: React and Python please apply only if you have developed a similar project

    $2615 (Avg Bid)
    $2615 Avg Bida
    138 bida

    I am looking for Kafka consumer, to poll the uncommitted messages, process and commit them. Acceptance Criteria: 1. Code should be compatible to Type Script and NodeJS backend 2. When I ran your code periodically, I should be able to see the new messages from Kafka topic. Means, we fetch new(uncommitted) messages, process the messages, commit message on successful processing 3. Required production Ready code 4. If all works fine, may require your support at integrating this with the existing project Note: 1. I am not looking for SUBSCRIPTION method to listen the topic. As your code runs periodically every 1min cronjob. 2. Assume that, kafka producer + kafka setup already in working state. only looking for KAFKA CONSUMER

    $12 (Avg Bid)
    $12 Avg Bida
    2 bida

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