Backend Development İşler ve Yarışmalar

Freelancer sitesinde işiniz için kitle kaynak kullanın. Tüm dünyadan 25.9 üzerinde yetenekli freelancera erişim sağlarız.

Freelancerlarımız sınırsız sayıda beceriye sahiptirler. Logo tasarımı, grafik tasarım, web sitesi tasarımı, teknik destek, pazar araştırması, dizgi, çeviri ve veri girme (daha birçoğu) bunlar içinde yer alır.

Ortalamada projeler 200 US$'a tamamlanmakla birlikte, 30 US$ kadar düşük bir tutar karşılığında bir freelancerı işe alabilirsiniz. Hangi pazara ulaşmanız gerekirse gereksin, işinizi geleneksel sınırların ötesine taşımak için sizinle çalışmaya hazır, dünyanın her köşesinden freelancerlar bulacaksınız.

Başlamak için, şimdi Bir Proje İlan Edin ya da Önde Gelen Freelancerları İşe Alın.

Kaydolun ve kazanmaya başlayın
Kazanmaya başlamak için kaydolun. Bir a Backend Developer olarak mı çalışırsınız? Bu işlerde çalışarak para kazanıyor olabilirdiniz!

Freelancer'da İşlere Göz Atın

Proje/Yarışma Tanım Tekilfler/Girdiler Beceriler Başlangıç Bitiş Fiyat (EUR)
application mobile reseau de partage de contenu 36 Android, Uygulama Geliştiricisi, iOS Development, Backend Development, Frontend Development Oct 20, 2017 Bugün6g 19s €495
Domain change, DNS, SSL, and sitemap I require an expert in the above fields to help me change my website over to a new domain, change SSL, emails that are linked to registering and accounts, also my sitemap is a text file that requires changing. I'm sure the experts out there won't find this so hard. Please only bid if you're 100% confident in the transition 15 PHP, DNS, E-posta Geliştiricisi, Backend Development Oct 20, 2017 Bugün6g 15s €26
Localhost Enviorment Hi! I am a freelance front end developer. I just updated to Mac OS High Sierra and I am getting some errors on my localhost environment. When I run `apachectl configtest` I get an error: `[proxy_html:notice] [pid 2879] AH01425: I18n support in mod_proxy_html requires mod_xml2enc. Without it, non-ASCII characters in proxied pages are likely to display incorrectly.` I would just like it to run as it... 0 Backend Development Oct 19, 2017 Oct 19, 20175g 21s -
Backend for Chatbot on Chatfuel We are realizing a project that involves the use of a chatbot for messenger realized on Chatfuel. We need to create a database that communicates (via JSON API keys) with the messenger chatbot to provide it with data in response to user requests. The system provides for an interface to handle the functions of the chatbot in the backend. We also need an interface that allows third-party data managem... 10 JSON, Facebook API, API, Backend Development Oct 19, 2017 Oct 19, 20175g 18s €598
Subscription Service coded into Squarespace Site Our company is Wilde House Paper ([url kaldırıldı, görüntülemek için giriş yapın]) and we are looking for someone to come in a build in custom code so that we can operate our subscription service directly through our squarespace site (rather than a 3rd party service like Moon Clerk). We have 3 different subscription options (month to month, 3 month & 6 month) that will al... 13 CSS, Kod yazma, Backend Development Oct 16, 2017 Oct 16, 20172g 22s €444
Big custom solution for ecommerce app (react native and php/wordpress backend) Hi, I would like to create an ecommerce app for the apple store and google playstore. This app is going to be the base (its made in react native but are using woocommerce api): [url kaldırıldı, görüntülemek için giriş yapın] This means the app itself is already created. What I need done is a special and heavily custom solution for the checkout and backend part of w... 34 PHP, Mobile App Development, WordPress , React.js, Backend Development Oct 16, 2017 Oct 16, 20172g 19s €1342
Design and build a website that connects to the Companies House API We are looking for either a full stack developer or a small team of specialists who can design and build our website. At a basic level the website needs to connect to the companies house beta API and allow users to search for UK companies and directors. Design and UI/UX is important to us. Both the search and the results should be presented beautifully. This is the first phase in a multi pha... 30 Web Sitesi Tasarımı, Backend Development, Frontend Development Oct 16, 2017 Oct 16, 20172g 19s €768
Python & Django APIs Background: - Our app is an utility app that allows user to plan, coordinate trips individually or with fellow companions. - Our app is built with a React Native front-end with Firebase as the backend. InTrip also requires core APIs for User, Trip and Location services Objectives: - To provide API services written in Django (Django Rest Framework) - Ensure APIs provide correct data as scree... 13 Python, Django, PostgreSQL, Backend Development Oct 15, 2017 Oct 15, 20172g 5s €88
Build a web application Client Side: Client is able to go our website, select a package, select payment method and sign up. This automatically grants access to the portal upon receipt of payment. Client Portal Client will be responsible for uploading business logo to maximize personalization Choose a email brand theme (color) Links to google, facebook, any SM General Business Info Customized Messages - Promoti... 51 Grafik Tasarımı, HTML5, Web Development, Backend Development, Frontend Development Oct 15, 2017 Oct 15, 20172g 4s €993
complete android and iOSapp and website I need php , android app and iOS app for five modules of ERP of school. Should be developed in 3 days. for more information [Removed by [url kaldırıldı, görüntülemek için giriş yapın] Admin] 4 PHP, iPhone, Android, Mobil Uygulama Deneme, Backend Development Oct 15, 2017 Oct 15, 20171g 16s €148
ikai.co.in We need an android applications for our company. The typical application with some special feature like listed below: 1. Real time tracking 2. countdown timer 3. Rating system 4. search engine(optimized local search) 5. Inventory 6. OTP verification 7. Backend and API development some adaptable changes may come later 4 PHP, Android, Veritabanı Geliştirme, Kullanıcı Deneyimi Tasarımı, Backend Development Oct 14, 2017 Oct 14, 20171g €372
Website Backend Development & CMS Integration **Project Type: ** Travel/destination Website **Description:** Hi, my name is Steve. I love everything related to technology. For this project, I'm looking for a Fullstack developer. You should have 3+ years experience working with the MEAN stack and have some experience working with the Contentful/Prismic/Grav/Keystone CMS. THIS IS A MUST. **Your role:** Your role in this project w... 22 node.js, Veritabanı Geliştirme, API, Backend Development, Frontend Development Oct 13, 2017 Oct 13, 2017Bitti €785
I need a developer Create a back office hybrid app (Firebase, Ionic) for our logistics operations 14 Mobile App Development, Backend Development Oct 12, 2017 Oct 12, 2017Bitti €198
I need a team with the right blockchain pro's ,C/C++ backend developer, UI and UX designers, OpenCL or/and CUDA developer pluse a Full Staker to run the team Although I will be hiring on many workers I am in need of a highly skilled Lead Project Manager who clearly speaks and understands English first and foremost. Please read the description completely and be willing to assist in building the team first and presenting with me to the client a clear plan, budget and time-frame for the project prior to first payment. The job is needed, it is ours so lo... 12 ASP.NET, Backend Development, Frontend Development, Full Stack Development, Proje Yönetimi Oct 12, 2017 Oct 12, 2017Bitti €34
www.travearena.com & booking engine for same company We are a travel start-up and have started our car rental services at pan-India level. We will soon start Flight, Hotel, Package Tours, Holiday Packages, Train bookings. We want our website to be created and also a booking engine/Tool for our employees/users 14 Web Development, Backend Development Oct 12, 2017 Oct 12, 2017Bitti €588
Build a blogportal I want to create a blogportal for my influencers. It most be easy to start a blog and easy to find bloger to follow and alla their soccial medias. Click arrond my reference website www.mikz.com. blogPortal/websie like this: [url kaldırıldı, görüntülemek için giriş yapın] Example blog with ads in the templete like you see in the design: [url kaldırıldı, görün... 5 Backend Development, Frontend Development Oct 12, 2017 Oct 12, 2017Bitti €13
Move to Heroku Postgres I am moving my mobile backend from AWS to Heroku Postgres. Its a small mobile app with 12 tables. I need someone with good [url kaldırıldı, görüntülemek için giriş yapın] and postgres SQL skills to help. I estimate the job is around 25 hours, and you will have access to all the old structure to see how it was done previously. Also, if you have React Native skills it is a plus... 23 Amazon İnternet Servisleri, node.js, PostgreSQL, React.js, Backend Development Oct 11, 2017 Oct 11, 2017Bitti €14
I need a coder to do full stack I am currently trying to build a classified website, so one guys is working on it for me but as I realised he's really imcompetent, so I am currently looking for someone else to continue the work. 18 Web Scraping, Kod yazma, Full Stack Development, Backend Development, Frontend Development Oct 11, 2017 Oct 11, 2017Bitti €374
Moblie app_The Romantic Gentleman_for IPhone it will keep track of a couples romantic dates i.e. birthdays, the day they met the first kiss, significant days in there relationships. Heavy ad offers from romantic specific products and services. will be on the site. Very mid to mid level to highend gifts with low to mid to highend offers 6 Veritabanı Programlama, Wireframeler, LiveCode , Backend Development, Frontend Development Oct 11, 2017 Oct 11, 2017Bitti €116
Develop FrontEnd of a content admin I developed a new functionality in the BackEnd of an administrator written in Php with Symfony and we need to connect the functionalities with the FrontEnd that is written in Sonata. 11 PHP, Symfony PHP, Backend Development, Frontend Development Oct 10, 2017 Oct 10, 2017Bitti €168
iPerson Education Development of desktop systems and Mobile App (android and IOS) of education and behavioral evaluation using neuroscience. Is very important have strong Knowledge with Django and Python. 21 Python, Django, Yazılım Geliştirme, Girişimcilik, Backend Development Oct 9, 2017 Oct 9, 2017Bitti €3414
Codeigniter Bug-fixing Looking for a Codeigniter Expert, in order to Fix several Bugs on my Application or Start from the scratch with Laravel, [url kaldırıldı, görüntülemek için giriş yapın] and Mongo DB 56 PHP, Codeigniter, Laravel, Backend Development Oct 9, 2017 Oct 9, 2017Bitti €10
Atiivanns Careers We are a recently Funded Multinational Company. We have a dream of connecting every student there ever was and will be on to a single platform and engage in positive and constructive community for the betterment of the World. We are currently looking at exceptional candidates with a zeal to achieve the unthinkable. 15 Android, NoSQL Couch & Mongo, Veritabanı Geliştirme, iOS Development, Backend Development Oct 9, 2017 Oct 9, 2017Bitti €5259
Write an Android application I need an shopping system to be developed (android app for user, android app for seller and backend) and the requirements should be, Android app for User - Requirements user login, register user maintain profile view product list (sort by category, search) view product rating and customer feedback shopping cart purchase using credit, debit cards and paypal accept delivery, rate service... 55 Mobile App Development, Android, Backend Development Oct 6, 2017 Oct 6, 2017Bitti €642
Multi vendor website I need a web platform: * Multi vendor - each vendor can customize their profile site that display their information and their products, and upload certifications. * Quote system - a customer can get quotes of the products depends of the quantity * Shipping system connected with freight transport to get quotes of the shipping in real time. * Online chat with each vendor * filter search like am... 86 PHP, Python, e-Ticaret, Stripe, Backend Development Oct 6, 2017 Oct 6, 2017Bitti €1056
Create Backend and Mobile app We need to create a backend and mobile app for a health company. The app allows users to fire alarms to the health company, as well as explore the services provided by them. The backend has to support all that the app does, provide a monitoring section for alarms as well as CRUD pages. We attached a Word document with the full specs. It seems long but it is just because we dig deep into details ... 111 Mobile App Development, Uygulama Geliştiricisi, Backend Development Oct 5, 2017 Oct 5, 2017Bitti €1544
Live Streaming App For Android Social Network live streaming app (not as complicated like periscope and not as many features) you will need to designs the app and develop it. We have some designs inspiration. User will need to log-in and through facebook and instagram and need to confirm his phone number. Livestream quality needs to be good and well optimized using low bandwith 87 Grafik Tasarımı, Mobile App Development, Android, Uygulama Tasarımcısı, Backend Development Oct 5, 2017 Oct 5, 2017Bitti €1256
Onlineshop Magento 1.9 Synchrinisation automatisation 1. Synchronisation automatisation (Cronejob) 2. Shipping service as DHL, UPS, Hermes with different fixed payment for every article. That means when I add a new product I can chose which shipping service (DHL, UPS, Hermes) I want and how much it costs for this product. If this order works well, we will offer you a new job. 47 PHP, Magento, Backend Development, Frontend Development Oct 4, 2017 Oct 4, 2017Bitti €215
loan management system Dashboard, with different access levels to reach the below: 1- White list: it’s the base to this tool, it should be scalable and flexible • Inputs can be added weekly or monthly bases by batch or one by one • Output is the applicants by post issuance • Have an exceptional list to enter the data manual or create another file has the same feature of white list 2- Applica... 25 C Programlama, Proje Yönetimi, Kullanıcı Arayüzü / IA, Backend Development Oct 4, 2017 Oct 4, 2017Bitti €2011
was hacked and need help getting back into wordpress website! lost all info except email address Hello i have a wordpress website i host on Godaddy. One morning i wake up and all my passwords are changed including my email password! I need someone who is good at wordpress and can get into my website without help. I tried contacting godaddy directly but no help. Thanks! 45 Web Güvenliği, WordPress , Growth Hacking, Backend Development Oct 4, 2017 Oct 4, 2017Bitti €103
We need Uber-like app backend with payment! 

! Tech Specs: Backend: [url kaldırıldı, görüntülemek için giriş yapın] or Python or Ruby on Rails 

The payment solution. 
Upload everything on our AWS based servers. 

Provide Source files with instructions! 
 Requesting your Uber is easy—here’s how it works: - Just open the app and tell us where you’re going. - The app uses your location... 36 Python, Ruby on Rails, node.js, Payment Gateway Integration, Backend Development Oct 3, 2017 Oct 3, 2017Bitti €5084
I need a website developer Hey! I am looking for a website developer capable of making a similar website to [url kaldırıldı, görüntülemek için giriş yapın] but without the forum. I think in order to add the coins market you can simply upload an API from the cryptocompare site or from [url kaldırıldı, görüntülemek için giriş yapın] coinmarketcap.com. 70 HTML, Stripe, Kod yazma, API, Backend Development Oct 3, 2017 Oct 3, 2017Bitti €2119
Hire a Mobile App Developer Laundry Delivery Service Application: Customer would be able to schedule their pre-request with their price and type of laundry. it will be notified to admin, so admin will dispatcher driver(s) to take order from customer & Scan receipt of laundry using bar code or QR scan When dropped off at cleaning facility, Admin or staff will scan receipt of laundry, and update the process of laundry,... 45 Mobile App Development, iPhone, Android, Amazon İnternet Servisleri, Backend Development Oct 2, 2017 Oct 2, 2017Bitti €2197
Online property portal We list properties for rent and sale on our site. The website is done !! I just someone to build me the backend database part where I can upload listing like pictures and property description. I need this done At the earliest Here is the website prototype.. [url kaldırıldı, görüntülemek için giriş yapın] 14 Backend Development Oct 2, 2017 Oct 2, 2017Bitti €527
Someone to better optimize and design our site We'd like the site to appear perfectly on any size screen. Some of the magnetic features we've seen on other sizes that make the screen focus on one section at a time would be nice. Biggest backend thing is we need our ordering system to work better. We've tried to use a few apps that just haven't worked well enough. 30 Sipariş İşleme, Shopify, Backend Development Oct 1, 2017 Oct 1, 2017Bitti €893
Hire a wordpress developer Hi 1. I am running a Wordpress website and i'm having some problems related to import my partners' products into our platform. I would like to import it via my partner's xml/csv product list and its affiliate links accordingly for each product. At the moment i'm using WP All Import however it can only match a few fields in our website such as: Title, Description, Category so w... 22 PHP, WordPress , CSS, Backend Development Oct 1, 2017 Oct 1, 2017Bitti €121
Mobile development -- 2 I need an interactive mobile app. Users should be able to receive information and updates in real time. Navalon will be an interactive and social way for locals and tourists to communicate on the go or anywhere they may travel. You can ask a local by tapping a button and basically chat with nearby locals to find the best places to go eat etc. Please help. Thanks! 56 Javascript, Mobile App Development, HTML, backbone.js, Backend Development Sep 30, 2017 Sep 30, 2017Bitti €1166
I need hire a talented backend developer I need hire backend developer. Please bid with answer of my attached questions. We are going to make casino game. It will be mobile game. Front end will be done by other team, we need backend team. Junior backend developers are no no need. We only need Senior backend developers. At least you have experiences of big product development, maybe over 1000 concurrent users. Also you need to h... 48 Mobile App Development, Oyun Geliştirme, ASP.NET, Microsoft SQL Server, Backend Development Sep 29, 2017 Sep 29, 2017Bitti €6811
Showing 1 to 38 of 38 entries
« 1 »