Backend Development Munkák és versenyek

Használja a közösségi kiszervezés (crowdsourcing) előnyeit vállalkozása számára a Freelancer-on! Több mint 28.0 képzett szabadúszó várja a világ minden pontjáról!

Gyakorlatilag bármilyen feladatra találhat képzett szabadúszót. Pl.: logótervezés, grafikai tervezés, webdesign, technikai támogatás, piackutatás, tördelés, fordítás, adatbevitel (és sok más egyéb).

Már 30 USD-ért alkalmazhat szabadúszókat, az átlagos projektköltség pedig 200 USD. Nem számít, melyik piacot kell meghódítania, nálunk a világ minden szegletéből talál szabadúszókat, akik alig várják, hogy együtt dolgozhassanak Önnel, túllépve a hagyományos vállalkozások korlátain.

A kezdéshez hirdessen meg egy projektet most, vagy válasszon a legjobb szabadúszók közül.

Regisztráljon, és keressen pénzt
Regisztráljon, és keressen pénzt! Ön is a Backend Developer? Akár pénzt is kereshetne ezekkel a lehetőségekkel!

Munkák keresése a Freelanceren

Projekt/Verseny Leírás Árajánlat/Pályamű Készségek Kezdete Vége Ára (EUR)
Security: Stoping clone sites that are redirecting to our live site Hello, We found recently too many websites live cloning our website (means they are redirecting to our website using different domain, with adding some of their links in the web pages). We want to someone to look into this and see if we have a bug or something that allows those people to live copy our website, and if it's possible to stop them. Thanks, 9 PHP, WordPress, HTML, Backend Development, Frontend Development Apr 19, 2018 Apr 19, 20185n 17ó €130
Build me a app similar to WeChat, WhatsApp, Instagram I need an experienced team capable of designing and programming the current social platforms such as WeChat (most important one), Instagram, and WhatsApp. High level of creativity is a must. Reliability, Usability, Maintainability, Scalability, Security is very important. Preferred Skills: Erlang, XMPP, UI/UX Design, Graphic Design Preferred Database: Mnesia / MySQL (MySQL for different fun... 97 Mobile App Development, Tesztelés / QA, Szoftverarchitektúra, Web Development, Backend Development Apr 19, 2018 Apr 19, 20185n 16ó €7863
API, XML, Php, CSS, MySQL, Front/Back End, Responsive, part time as needed, work at home Tucson, Arizona, USA applicants only. The website is [url eltávolítva, lépjen be a megtekintéshez] I periodically need some technical issues addressed as well as other tweaks done here and there. Emergency work is rare but I do require timely email replies. Currently, I'm compiling a list of a bunch of backlogged things that need attention, none of which are eme... 18 Backend Development, Frontend Development, Általános munkaerő, MySQL, phpMyAdmin Apr 19, 2018 Apr 19, 20185n 14ó €15
Do Java Script & web API, node.JS HTML pages with description will be provided ( login page, and 6 pages (it's three but duplicated for different users "two type of users") 1) login 2) second page need (just increment for a specific record) 3) add , delete and update ***** also ****** needed to implement the javaScript function , implement services ( Web API) using Node.js more details will be provided late... 14 Javascript, HTML5, node.js, Web Development, Backend Development Apr 19, 2018 Apr 19, 20185n 10ó €39
Backend development we are hiring for a project for application development for a FMCG group. We need people with any of the AWS or Azure experience. Bangalore-based. 60,0000-65,000 INR per month. 10 Azure, Általános munkaerő, Backend Development, Aws Lambda Apr 19, 2018 Apr 19, 20185n 5ó €890
Implementing mobile app using new app designs -2 I want to update my current cordova project using new app designs. New app designs has already been ready. it is very urgent task, please bid if you were familiar about cordova and web service. 13 Mobile App Development, Android, Ionic Framework, iOS Development, Backend Development Apr 18, 2018 Apr 18, 20184n 15ó €144
Freelance Wordpress Developer Fixing bugs in an existing site registration workflow including automated email comms and overcoming issue with bot registrations 87 WordPress, Szabadúszó, Backend Development Apr 18, 2018 Apr 18, 20184n 3ó €262
updating UI using new app designs I want to update my current ionic project using new app designs. New app designs has already been ready. it is very urgent task, please bid if you were familiar about ionic and web service. 35 Mobile App Development, Android, Ionic Framework, iOS Development, Backend Development Apr 17, 2018 Apr 17, 20183n 3ó €186
build Marketing software Build marketing Software where the user can do Bulk email Bulk marketing bulk SMS n social media with payment gateway and backend somewhat similar to this [url eltávolítva, lépjen be a megtekintéshez] in php no framework 9 PHP, Szoftverarchitektúra, MySQL, Backend Development Apr 16, 2018 Apr 16, 20182n €158
MVP of data science model Data scientist needed to build a customer digital self-assessment tool. I need support to build the minimum viable product (MVP) of a digital self-assessment tool. The self-assessment tool will allow users to input their UK postcode, it then runs data analysis across 9 open data sets and provides back to the user a ranked list of findings. The tool will run analysis across 9 open data sources (... 5 Python, SQL, R Programnyelv, Adattudomány, Backend Development Apr 15, 2018 Apr 15, 20181n 16ó €206
Reeve Platform I am the founder of Reeve. Reeve is a project that aims to make it easy and rewarding for everyone to save our environment. We want to set up a sharing platform for reusables (reusables refers to reusable lunch boxes and reusable cups). Users will be able to takeaway with a reusable at any stall. When they are done they can return the reusable at any automated collection that is nearest to them, w... 10 Szoftvertesztelés, MySQL, Arduino, node.js, Backend Development Apr 15, 2018 Apr 15, 20181n 1ó €1630
Build me a backend Take a look at the PDF attached. Everything needs to be done and working. The project also has to be installed on our website. We are currently using WEEBLY. Hope this helps. 7 Minden Egyéb, Backend Development Apr 14, 2018 Apr 14, 201820ó 16p €248
FREELANCE Backend JAVA Software Developer I’m a headhunter that focuses on the IT Sector. I wanted to get in touch to open up an opportunity for a Backend Java Software developer in this sector. The role is based in Kassel, Germany working for a software company. They develop tailor-made software solutions for large companies in the fields of logistics, automotive, medical technology, energy and raw material extraction. For this ... 38 Java, Apache, Szoftver fejlesztés, Backend Development Apr 14, 2018 Apr 14, 20181ó 25p €65
Help with integration of 6000EW printer terminal We are 90% throgh the integration but we can only sent on order through the order box. Then we need to give new RES ID for it to accept new order. We need help to go through the integration, and get the printer up and running asap. 5 Rendelésfeldolgozás, Backend Development Apr 13, 2018 Apr 13, 2018Véget ért €387
WebSite build for an EdTech Startup. Back end knowledge is a must. Functionalities required at the document attached. Time limit, TWO weeks from starting. 30 Webdesign, SEO, WordPress, Backend Development Apr 12, 2018 Apr 12, 2018Véget ért €689
Node.js backend & Ionic+Angular apps The purpose of X-Beer Ordering app is to allow restaurants to place orders for brand X-Beer cases from the distributor in the restaurant’s city using Android and iOS apps The back-end architecture and business logic for X-Beer Ordering app is built on Node.js. Entities & User types Entities There are various types of entities which governs the usage for each type of user. Regi... 25 node.js, Angular.js, Ionic Framework, Backend Development, Frontend Development Apr 12, 2018 Apr 12, 2018Véget ért €9
Back end coder I need someone to incorporate an algorithm that I'm working on my website. This candidate must be okay with signing a non-disclosure affidavit before moving forward. 29 HTML, Szoftver fejlesztés, Általános munkaerő, Kódolás, Backend Development Apr 11, 2018 Apr 11, 2018Véget ért €1926
Build a directory web app using ReactJS with PHP I need a directory app using ReactJS with PHP this app will have a dashboard to manage all date and features of it. I will discuss in more detail after award it. 14 PHP, HTML5, React.js, Backend Development, Vue.js Apr 8, 2018 Apr 8, 2018Véget ért €248
Dynamic Website Database / Full Stack Developers I am seeking two full stack web developers to work on various web and marketing projects. I especially need somebody who can develop php - mysql databases to drive simple custom dynamic websites. For example, I'd like to setup a very simple content management system where clients can add and update pages on their website. VERY SIMPLE for the cms because for some clients, even using w*rdpre... 32 MySQL, Adatbázis-programozás, Web Development, Backend Development, Frontend Development Apr 7, 2018 Apr 7, 2018Véget ért €110
Improve Design E-Commerce Frontend/Backend in Prestashop We are looking for an expert in Prestashop, able to optimize and improve the frontend design and backend of an existing website. The person should have high knowledge in frameworks, cms, multi-currency and multi-store sites. 14 CMS, Prestashop, Backend Development, Frontend Development Apr 6, 2018 Apr 6, 2018Véget ért €166
Existing in-progress Project Take Over : a Crypto exchange (Codeigniter) Existing Project Take Over : Finalize a crypto exchange (Codeigniter) Reminders: * You will be taking over the current project, and study the current system structure before rebuilding connection and resetting permissions on the cloud instances for different modules. (Please be reminded if you are not familiar with AWS already, you will have a lot of headache. ) * Restructure Hot & Cold w... 37 PHP, Codeigniter, MySQL, HTML, Backend Development Apr 6, 2018 Apr 6, 2018Véget ért €1440
Build me an iOS app I'm looking for a professonal developer, with great skills in both PSD, xcode and backends. I have the idea for an app. It's a sports app, where people can meet other people to play with. The front page will be a map. Then their should be a profile page and a page for events. Ill show the details for the developer i choose. 50 Mobile App Development, iPhone, Objective C, Swift, Backend Development Apr 5, 2018 Apr 5, 2018Véget ért €547
Mobile app for diving center I need an iPhone/Android app. I would like it designed and built a mobile app for a dive center. The app should have online payments for products and courses, online scheduals, push notifications, live chat, Gallery and customer registration, The app should have a backend for staff to be able to updates/add or remove products. We have a website (opencart platform) with MySQL database, the same da... 136 Mobile App Development, iPhone, Android, Adatbázis-programozás, Backend Development Apr 4, 2018 Apr 4, 2018Véget ért €1226
Ruby on Rails Developer We are looking for a Ruby on Rails developer… The Ruby on Rails Software Engineer within our project will support the architecture, design, development, and deployment of applications, API services, and client integrations. RESPONSIBILITIES Design, build and maintain efficient, reusable and reliable Ruby code Understand requirements from stakeholders and provide estimates of work ... 50 Webdesign, Ruby on Rails, Ruby, Git, Backend Development Apr 2, 2018 Apr 2, 2018Véget ért €999
Build a mobile apps with database of client on server I and an collaborator got a idea that required to finish the grant application. The apps is expected to have following functions: (1) scan QR code (2) database on server (3) response to and from mobile on server. 74 Mobile App Development, iPhone, Android, Backend Development Mar 31, 2018 Mar 31, 2018Véget ért €380
We need a backend developer to finish developing my ios app Our mobile iOS app is close to being finish. My backend developer is building our app but its not running on iOS mobile app correctly. It working but we need a app developer who can finish parts of our app. We have been testing it but it still need some finishing on our iOS app so it works so we can send it to distribution on iTunes. Please sign our NDA and let come up with a finish price on o... 3 Programozás, Backend Development Mar 31, 2018 Mar 31, 2018Véget ért €115
Software Engineer (fullstack) We're a design consultancy with offices in NY. We're looking for fullstack software engineers to join us for project. Check us out at online at philosophie.is. Thanks! 26 Ruby on Rails, SQL, Django, API, Backend Development Mar 29, 2018 Mar 29, 2018Véget ért €28
Erc20 token & ICO contract i want someone to finish our ICO and erc20 token we'll supply code and do finish it 22 Blockchain, Ethereum, Backend Development Mar 28, 2018 Mar 28, 2018Véget ért €385
Build a Webwallet Hi community! We want to build a web wallet for the crypto token Stratis (STRAT). Therefore we need a coder that is familiar with the space of crypto currency and also with the setup of nodes. Looking forward to receiving your proposals. Thanks and best regards! 42 Javascript, Webdesign, CSS, HTML, Backend Development Mar 26, 2018 Mar 26, 2018Véget ért €20
Build a site like iogames.space I need a site almost equal to iogames.space. It's a website where developers can upload their games information (description and image), choose which categories it belongs to, and then they are listed on the homepage. The homepage lists all the games grouped by category, and they can be ordered/filtered without refreshing the page. It needs ALL the features available on [url eltávo... 28 Javascript, Webdesign, HTML, Backend Development, Frontend Development Mar 23, 2018 Mar 23, 2018Véget ért €634
Ongoing DSP Adserver Porject. Require an expert to improve scalability Hi, I am looking for a Developer who is expert in scaling a system that can handle like a billion Ad impressions/clicks per day . This job requires someone who has a good understanding on how clustering work , which database engine to select for such task and how to transfer huge data between server for reporting . This is an ongoing project with alredy over 7 highly skilled programmers. ... 4 PHP, NoSQL Couch & Mongo, Adatbázisfelügyelet, Szoftver fejlesztés, Backend Development Mar 19, 2018 Mar 19, 2018Véget ért €29
send me a python code that uses Ajax to push live message from one page to another i am working on a website that i want to send a message from the kitchen website to the customer webpage. i am using python and django 9 Python, Webdesign, AJAX, Django, Backend Development Mar 19, 2018 Mar 19, 2018Véget ért €19
Need a a simple software with will maintain the data of my company This project is related to my office work and need to maintain the data. 28 Java, MySQL, HTML5, CSS3, Backend Development Mar 19, 2018 Mar 19, 2018Véget ért €120
Project for Pavel T. Hi Pavel T., I noticed your profile and would like to offer you my project. We can discuss any details over chat. 1 CSS, , backbone.js, Adobe Illustrator, Backend Development, CoffeeScript Mar 15, 2018 Mar 15, 2018Véget ért €28
crypt X - Development A full time freelancer based out in Hyderbad / Chennai to work with us on a development project which involves AngularJs, Backend development knowledge, Payment gateway integrations, PHP, Mailer blasts and good experience in writing APIs for seamless logics. Get in touch with us, 3 PHP, .NET, Angular.js, Full Stack Development, Backend Development Mar 15, 2018 Mar 15, 2018Véget ért €1141
Backend of an app Finance app, money tracking, inviting into mutual funds 2 Python, Backend Development Mar 14, 2018 Mar 14, 2018Véget ért €190
Web App MVP About the project: I want to create a functional first version of a chatbot (named Mercadroid) that will automatically answer questions about products posted on Brazil's largest e-commerce site, Mercadolivre.com.br. Today, whenever a seller receives a question, they are notified but have to respond manually. The app's basic idea is to have a login area, people can connect to their Me... 8 Webdesign, Szoftver fejlesztés, Web Development, Backend Development, Frontend Development Mar 13, 2018 Mar 13, 2018Véget ért €129
Project for Paul S. Hi Paul S., I noticed your profile and would like to offer you my project. We can discuss any details over chat. 3 Grafikai tervezés, CSS, , Angular.js, Backend Development, Frontend Development Mar 13, 2018 Mar 13, 2018Véget ért €126
Full stack web developer (vuejs, nuxt, firebase) I'm software engineer and project manager and I'm looking for a web developer to work with me on many projects on daily basis. Tools and skills required: - masterize every basics: Git, Javascript, Html/Css... - experienced with VueJS (nuxt would be a plus) and firebase If you are interested please add [Hello World] as message entitlement in order to show me you read this descrip... 18 Javascript, Backend Development, Frontend Development, Vue.js Mar 13, 2018 Mar 13, 2018Véget ért €5
Mobile App Development, Bitcoin, Full Stack Development, Backend Development, Frontend Development Mar 12, 2018 Mar 12, 2018Véget ért
website theme template developer I am looking for an experienced website theme developer to develop an e-commerce theme template with back-end cms management. Joomla interactive and game development skills are necessary. Only contact me if you seriously qualified, and are free to take on this challenge. 25 Webdesign, Weboldal menedzsment, Játékfejlesztés, Backend Development Mar 11, 2018 Mar 11, 2018Véget ért €406
Private Banks Need executive Need 43 candidate For Private banks 1 Pénzügyi kutatás, Pénzügy, Pénzpiacok, Backend Development Mar 11, 2018 Mar 11, 2018Véget ért €13536
Full-stack team wanted for website build We're looking to build a website with a job search function. Backend database, font-end search and filtering functions. We will provide the content. This probably wouldn't be more than about 10-12 pages total..we are looking for a fairly quick turnaround (3-4weeks on this project) 63 Webdesign, Backend Development Mar 9, 2018 Mar 9, 2018Véget ért €2336
Design and development application for a start up B2B B2C consumer rewards platform. 43 eCommerce, Alkalmazásfejlesztő, Web Development, Backend Development, Frontend Development Mar 8, 2018 Mar 8, 2018Véget ért €42919
WEB UI Script to upload Invoices from Amazon to Fakturownia.pl, Amazon MWS API Amazon to [url eltávolítva, lépjen be a megtekintéshez] API connector I am looking for a developer to create a simple Amazon -> Fakturownia connector with possibility to extend the project in future. What connector should do: 1. Get invoice data from Amazon VAT Calculation service using Amazon MWS API -> the invoices which Amazon issues to the buyers in the s... 16 Szoftverarchitektúra, MySQL, Backend Development Mar 8, 2018 Mar 8, 2018Véget ért €592
Web platform with user authentication and MySQL databases Development of a web page for our startup. It should include some public sections and others restricted to user/admin access. Backend and frontend development is needed. The main sections that need to be included on the web are: - Presentation page - Demo (simple connection to API service) - Page for data introduction in structured (calendar-like) format with interaction with an already bu... 9 Web Development, Backend Development, Frontend Development Mar 8, 2018 Mar 8, 2018Véget ért €3010
Need to build a CRM backend database For our branding agency we need to build a back end data base that creators can sign up to and connect their social media accounts. From there we need to have a database to store all these creators that we can use with ease and filter top creators to small creators based on each social media category ie instagram, youtube etc. Looks as if the companies below have a crm backend that works smoothly ... 22 Social Engine, Közösségi Média Marketing, Adatbázis-fejlesztés, Backend Development Mar 6, 2018 Mar 6, 2018Véget ért €4333
Allzin Mobile App Location based social mobile app 48 iPhone, Android, iPad, Full Stack Development, Backend Development Mar 5, 2018 Mar 5, 2018Véget ért €9
Mean Stack Developer needed in Portugal. We are looking for full stack developer having expertise in backend and frontend development and who can tackle our off shore clients. Excellent exposure on Mean or MERN Stack (NodeJS, MongoDB, Express, ReactJS or AngularJS). Hands-on experience in analysis, design, coding, and implementation of complex and challenging requirements. Advanced Proficiency in NodeJS, MongoDB, Express,ReactJS and A... 27 node.js, Angular.js, React.js, Backend Development, Frontend Development Mar 5, 2018 Mar 5, 2018Véget ért €15
Build to-day task ordering application (IOS and Andriod) Well, we scratch off tasks on that to-do list for you! So free up your day, and run outdoors in the rain, run to the mike and sing karaoke, run to live life! But let someone else run the errands for you. 11 Mobile App Development, iPhone, Android, React.js, Backend Development Mar 4, 2018 Mar 4, 2018Véget ért €1727
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