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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    When user logouts from console , we need to write a groovy rule in Ping access that cookie should be deleted as well

    €23 (Avg Bid)
    €23 Povprečna ponudba
    3 ponudb

    I have an Android and iOS app that tracks an user steps with Google Fit / Apple Health API, and it rewards the user with a coin based on the number of steps the user has gotten. It also uses a backend simple program to get and publish certain data to the app. I need to add functionality to both apps. I need to add an option to pick a sport (from a list that the app should show), and let the user start and stop a timer. When the user stops the timer, and based on the sport the user had chosen, it will give him a number of coins.

    €23 (Avg Bid)
    €23 Povprečna ponudba
    3 ponudb

    Somos WeeWoo, una empresa que gestiona y monetiza apps y juegos para móviles, y estamos buscando un equipo externo que nos ayude con proyectos de desarrollo. Los proyectos que estaríamos subcontratando principalmente son: - Migración y corrección de errores de backend - Modificar y corregir endpoints de APIs - Programación y consultoría sobre servicios backend y sistemas de aplicaciones - Programador Phyton, con conocimientos sobre arquitectura de software y BBDD

    €26 / hr (Avg Bid)
    €26 / hr Povprečna ponudba
    16 ponudb

    Hello, i am looking to develop my e-commerce application. It is a basic app with features such as cart, wishlist, products, categories and payment gateway integration. I have the app designed with all assets and screens ready on zeplin to be provided to the developers. The frontend of the portal will also be provided along with the developer accounts and hosting server. Primarily i need developers to build the app at a reasonable price.

    €1527 (Avg Bid)
    €1527 Povprečna ponudba
    141 ponudb
    needed backend devoloper 6 dni left
    VERIFICIRAN/A

    need to read all the connections for backend socket system api system ,on c pannel

    €160 (Avg Bid)
    €160 Povprečna ponudba
    12 ponudb

    Hi, Our project allows user to book a slot and attend a live streaming. We need help on Calendar and video streaming service integration. Calendar API Video service API

    €26 / hr (Avg Bid)
    €26 / hr Povprečna ponudba
    26 ponudb

    I have an Android and iOS app that tracks an user steps with Google Fit / Apple Health API, and it rewards the user with a coin based on the number of steps the user has gotten. It also uses a backend simple program to get and publish certain data to the app. I need to add functionality to both apps. I need to add an option to pick a sport (from a list that the app should show), and let the user start and stop a timer. When the user stops the timer, and based on the sport the user had chosen, it will give him a number of coins.

    €328 (Avg Bid)
    €328 Povprečna ponudba
    39 ponudb

    PLEASE READ PROJECT DESCRIPTION CAREFULLY BEFORE QUOTING- EVM compatible web3 project experience is a big plus. Front end and backend required for a coin flip game on blockchain. Logic- Its a 50/ 50 coin flip game with 50% chances of winning or loosing. Will be using Chainlinks VRF for RGN. Our Scope- 1. We will take care of smart contracts. 2. We will share static web design for you to copy and create front end UI/UX. We need you to DESIGN AND DEVELOP - 1. Front end (based on static design example we will share) 2. Backend Features required are - 1. Leaderboard (showing top winners on a day, week or month and their wins) 2. My stats- showing number of wins and looses for a certain wallet address. 3. Streaks (Showing wallets who doubled up more than 1 time in last few minutes, ho...

    €1390 (Avg Bid)
    €1390 Povprečna ponudba
    74 ponudb

    Hey, We are looking for an esport guy, who can help us make a custom server setup like dathost, on Google Cloud. Before starting, you need to show us that you can set up a demo server based on a template server, where people can play, it can be closed after, and that we can data into the site. We want to develop a tournament platform with custom servers settings and live data parsing like dathost. The servers should be quite similar to Dathost and be fully customizable (quantity of players, mp_maxrounds cap, overtimes set/not set etc.), with a "template server" feature (not to affect other live servers). The data parsed from the matches should be live with some post-match conclusions, with some playdemo-based data to be acquired as well (we can even do like that if you w...

    €3992 (Avg Bid)
    €3992 Povprečna ponudba
    19 ponudb

    We need to complement a team of Front / Back end developers (Java/Angular/microservices specialists) with someone that has experience on DROOLS. At least one year of experience, could be 10-20 hours a week on a T&M contract. Aprox 6 month contract We need someone who will be willing to share his knowledge with the team, that could participate on Architecture definitions (regarding Drools) and then on Drools implementation, configuration, development.

    €25 / hr (Avg Bid)
    €25 / hr Povprečna ponudba
    11 ponudb
    Convert static website to dynamic 5 dni left
    VERIFICIRAN/A

    I want to convert my HTML website to be dynamic with WP back-end to change and update the content index product (non ecommerce) projects contact us about us services

    €70 (Avg Bid)
    €70 Povprečna ponudba
    71 ponudb
    CreatorDigital 5 dni left

    Place for content creators no matter the size to manage their journey using industry class advisors and sophisticated tools with easy UI. Public and Private sector for subscription basis as well as a private media management section for creators with potential/revenue streams.

    €2669 (Avg Bid)
    €2669 Povprečna ponudba
    26 ponudb

    Integrate new Front End UI on existing Laravel project, more details on chat.

    €390 (Avg Bid)
    €390 Povprečna ponudba
    78 ponudb
    Coaching Business website 3 dni left
    VERIFICIRAN/A

    We want a personal training business website that connects young players with professional and collegiate players who they can get coached and mentored by. Some features: Players can sign up and have an account with our site Coaches can sign up and have an account with our site Players with an account have a development profile page where they can see feedback that our coaches left them after trainings or games, progress they have made in certain areas of their game, videos of pros in their position that they can watch to model their game after, short and long term plans to improve (maybe point system with rewards to make it fun, such as doing 10 sessions is 100 points and 250 points gets you a free item at the shop page)... If they are apart of the college soccer recruiting program then ...

    €9053 (Avg Bid)
    €9053 Povprečna ponudba
    56 ponudb
    Own API to make 2 dni left
    VERIFICIRAN/A

    Facebook, Instagram, Twitter, Linkedin, YouTube, Tumblr, Pinterest We need APIs for above 7 social media to fetch unlimited feeds on real time

    €125 (Avg Bid)
    €125 Povprečna ponudba
    6 ponudb

    We would like to have a website that can rank extremely well on google. Therefore, excellent programming performance and techniques are very important. We are looking for programmers with very good experience in creating websites in ASP.net. No PHP. About the Website: The Website should be for people, who want to sell their car online. The visitors of our website can online request a provisional price determination for their used cars. Also, they can sell their cars online to us. When the customers open the website, they should immediately see a screen where they can enter the data of their used car. Which car make, which model, which year of manufacture, the mileage etc.? A database with all cars makes and models and all characteristics is available. Then the customers will be aske...

    €1705 (Avg Bid)
    €1705 Povprečna ponudba
    59 ponudb

    Looking for a fully functional front end and backend app. Phase 1 : Microlender Status/feature • Users can request for a loan. • The amount will come as a pre approved amount x instead of a wallet amount (This is because we are a microlender and not a bank, for now) • They can then use the amount by it being paid into their requested bank account (Admin will have to get this processed/automation to be created in future) – this would be a withdrawal • Pre Approved user can send money to other bank account (incase they want to pay someone they owe) • Backend (Admin) to be integrated with Loandisk* or we need to create. Our own database and backend system for Debits and Credits • Be able to buy or pay for Utilities, Top Up Airtime, DSTV, Internet, Acco...

    €3135 (Avg Bid)
    €3135 Povprečna ponudba
    79 ponudb

    Hello. I'm looking for a backend developer to deploy node project on heroku. You must have experience with migrate postgres DB. Skill Requirement Node, Postgres DB, AWS, Docker, Heroku This is long term project and I'm finding talent developer. If anybody interested, please contact me.

    €158 (Avg Bid)
    €158 Povprečna ponudba
    30 ponudb

    I need some UI & some backend code in JS to my blogging site. All frontend UI design graphic elements have been created. The backend code is done but isn't properly configured for the website. (So, I have the code but just need to add it to the website. Features Development List: - Comments on Blogs - Should display: How many comments, reply functionality, Liking Comments and username as the shortened wallet address. - Likes on Blogs Functionality: - Should display amount of likes on blog cards and inside blogs at the bottom after clicking. (1 Like per user) - Sharing Feature: - Sharing link. ( This website uses IPFS & NFT's to get blogs content so sharing is hard because not everyone has IPFS configured. Need a better w...

    €107 (Avg Bid)
    €107 Povprečna ponudba
    29 ponudb

    We need to integrate the front end with the backend. We have the ux, what we have to do is integrated stripe and manage the properties and user in the admin panel. This is the workflow Be ready to work

    €482 (Avg Bid)
    €482 Povprečna ponudba
    73 ponudb
    Backend Support/expert 2 dni left
    VERIFICIRAN/A

    Will work with optimizing database with third party apis which will forward to the frontend through our own api. Manage script scheduling, automations, low latency solutions for loads of market data. Will mange AI/ML and NLP scripts and other automations Also develop more automations and other functions relating to the stock/crypto market Knowing frontend such as reactjs is a plus

    €23 / hr (Avg Bid)
    €23 / hr Povprečna ponudba
    94 ponudb
    Full stack developer 1 dan left
    VERIFICIRAN/A

    looking for a full stack developer who can do simple project

    €58 (Avg Bid)
    €58 Povprečna ponudba
    33 ponudb

    We're looking for either a combination of front and back end developers or a full stack developer to help get this website off the ground. We have an idea of the aesthetic that we're going for and a limited skillset to get there, so a web designer is also something we could be interested in. We're looking to include quite a few common and custom plugins/features on a gun-friendly hosting platform, some of which are obviously legal sensitive so we would need them to flow accordingly. We'd like to have the website off the ground ASAP, but realistically we're looking to have this done in 2-6 weeks. We understand this is above the average website request, and our budget reflects that! We'd love to negotiate compensation with any and all that are seriously interes...

    €4220 (Avg Bid)
    €4220 Povprečna ponudba
    76 ponudb

    The app connects the user to a database of possible entertainments and tourist attractions each demonstrated in a couple of photos and only few words. Possible entertainments are suggested to the users based on the filters pre-selected (location proximity, price range, duration etc.). The user can swipe right if he likes to know more about the entertainment offered or swipe left if not interested. When the user swipes right, a more detailed page around the product will be sent to his email address or the user page. Email address of the user will not be shared with the product providers. The app is to be written in Swift (for iphones.). Optional: You can use PHP for service query. The app should be user-friendly and scalable with a proper graphic. The admin should have unlimited access t...

    €614 (Avg Bid)
    €614 Povprečna ponudba
    68 ponudb
    Build a Bulk SMS management System 1 dan left
    VERIFICIRAN/A

    Previous experience of building bulk sms system is highly appreciated. Client can connect using smpp/http to send sms system will take all of those sms and route to different smpp/http provider billing/invoicing option must be there

    €783 (Avg Bid)
    €783 Povprečna ponudba
    20 ponudb

    We require in depth Perl expert developers with lots of experiences in Perl development your tasks will be to implement plugins/extensions of Znuny 6.x (former OTRS) you are a master of using docker to run, develop and debug perl? if you do not know Znuny, let us know this. you can quickly install Znuny via docker (takes about 10 mins of your time + 30 mins download time) follow the instructions here the proof of your perl + Znuny expertise will be to implement a simple Znuny extension Delivery: - in git (we will share you a git repository) - tested on your docker + a clean docker init instance - you share a script in git, which can create the for installation into OTRS Payment goes in Milestones on predefined estimates This is a hourly project but you have Milestones? yes, we expe...

    €20 / hr (Avg Bid)
    €20 / hr Povprečna ponudba
    17 ponudb

    we are looking for a JHipster developer, who is able to work on Angular work too. You have to have tons of experiences in Java backend (at least 10y), Spring-boot at least 5y and good experiences with Angular (3y+) Please share us screenshots and sample work you have done in JHipster in your bid. Be informed you will be reviewed by developers with over 20y experiences! So be honest and upright to your skills

    €18 / hr (Avg Bid)
    €18 / hr Povprečna ponudba
    45 ponudb

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