Backend Development Jobber og konkurranser

Crowdsource dine jobber på Freelancer. Vi gir deg tilgang til over 26.9 millioner ferdighetsrike frilansere fra hele verden.

Våre frilansere har et uendelig bredt spekter av ferdigheter, inkludert: logodesign, grafisk design, nettdesign, teknisk support, markedsundersøkelse, skriving, oversetting, og dataregistrering (i tillegg til mange fler).

Du kan ansette frilansere for så lite som $30 - med snittprosjekt fullført for $200. Uansett hvilket marked du ønsker å nå finner du frilansere fra alle verdens hjørner som sitter klare til å arbeide for deg.

For å komme igang, Legg ut et prosjekt nå eller Ansett topp frilansere.

Registrer deg å begynn å tjene penger
Registrer deg for å begynne å tjene penger. Er du a Backend Developer? Du kan tjene penger på disse jobbene!

Bla i jobber på Freelancer

Prosjekt/Konkurranse Beskrivelse Bud/Bidrag Ferdigheter Startet Avsluttes Pris (USD)
Crypo Exchange Website I need a new cryptocurrentcy trading site. I need you to design and build it. Design must include connection to all other cryptocurrentcy apis. Must have highest level of security, high speed, fault tolerance, and high availability. 13 PHP, Nettsidedesign, Grafisk design, AJAX, Backend Development Jan 20, 2018 I dag6d 18t $4329
Build a website - online courses MOOC project for Russian and post-Soviet-Union countries is looking for good web developers with great experience in back-end or frontend. The project is something in between KhanAcademy and Coursera(details by email). # Designer # Back end developer, preferably JAVA dev 36 Java, Nettsidedesign, MySQL, Backend Development, Frontend Development Jan 20, 2018 I dag6d 9t $2322
An instagram 'like' social mobile app needed for iOS and potentially Android as well. An instagram 'like' social mobile app needed for iOS and potentially Android as well. FourSquare Api integration (worldwide check in) with Database integration. Payment Integration. Users Registration and Admin Superusers Registration and Admin Help with Listing Apple Store 28 Mobile App Development, iPhone, Android, Payment Gateway Integration, Backend Development Jan 20, 2018 I dag6d 6t $1683
B2B App to connect Buyers and Sellers Please find description of the project in the file below. The details mentioned in the file aren't extensive. With discussion with the freelancer could provide elaborate details of the app. I want bidding freelancers to provide details on how they propose to go about the project, what technical aspects will play important roles in it and what would be needed from me. Thank you. 31 Mobile App Development, Android, Programvarearkitektur, Databaseprogrammerere, Backend Development Jan 20, 2018 I dag6d 2t $1078
Frontend PHP Developer position urgently needs to be filled Hi! We are urgently looking to have this position filled. Further information will be provided upon contact due to confidentiality we would like to maintain. 77 Javascript, Nettsidedesign, HTML, Backend Development, Frontend Development Jan 19, 2018 Jan 19, 20185d 19t $1079
Urgently need Java developer for website Hi! We are urgently looking to have this position filled. Further information will be provided upon contact due to confidentiality we would like to maintain. 21 Javascript, Nettsidedesign, HTML, Backend Development, Frontend Development Jan 19, 2018 Jan 19, 20185d 19t $2259
Build a Prototype for our Startup Read the description fully. This is only for people who live in Hyderabad location. We are 2 friends working on a job portal startup idea. We have done market research and competitor analysis. We designed business model, projected financials for 3 years and documented everything. We have a network of investors. All we need is a working prototype to give a demo to our investors. We both are... 3 Full Stack Development, Backend Development, Frontend Development Jan 19, 2018 Jan 19, 20184d 21t $862
Looking for a developer to build an app with AR for iOs and Android. Please apply ONLY IF you are - an independent full stack developer; - proficient in backend (3+ years) and front end (3+ years) development; - proficient with XCode, Android Studio; - familiar with Vuforia or Catchoom; - successfully submitted apps to the App Store and Google Play. Details of the project will be provided after an interview. 87 Java, Mobile App Development, Android, iOS Development, Backend Development Jan 19, 2018 Jan 19, 20184d 20t $990
full stack developer Developing a social media app; working back and front end 106 Mobile App Development, Backend Development, Frontend Development Jan 18, 2018 Jan 18, 20184d 6t $8854
Alpha pre launh blogers networker marketers all can work dave woods ripped people off i am out to do the opp 0 Backend Development Jan 16, 2018 Jan 16, 20182d 19t -
Shopify website ongoing frontend and backend work We are looking for someone to complete a current project, and be available for any work needed in the future. We have small projects needed a couple of times per month. We currently have 2 things we need done. We had a developer on the front end put up a feature that shows when a product will ship. Since this varies by brand, there is also back end customization where we can show different o... 23 Shopify, Backend Development, Frontend Development Jan 16, 2018 Jan 16, 20182d 15t $534
Voter Mobilization Mobile Application Voter mobilization mobile Application We need a mobile app to help build politician grassroots movement and create touchable connections between constituents during political campaigns. This mobile application will allow politicians to: • Portray their personalities and image branding • Connect with Voters and Constituents in real time; Communicate by sending messages to people ... 58 PHP, Java, Mobile App Development, Android, Backend Development Jan 16, 2018 Jan 16, 20182d 3t $655
Karma: Software Engineer Required to Help Change the World Karma is a social movement built on an online platform. Our vision is to revolutionise human connection, and our platform is a place to celebrate the good in the world. We’re a small team of 3 founders, the platform is currently in beta and undergoing a significant evolution, and we’re gearing up for launch in mid 2018. We’re looking to recruit a software engineer with experienc... 18 Programvareutvikling, Programming, Backend Development, Frontend Development Jan 15, 2018 Jan 15, 20181d 19t $26
Tailor Shop ordering (2 website and 2 Mobile app) App development My project is creating a system that gives service to tailor shops. How it works When a customer walking to the store the app on their phone will send a notification that they are near or around our tailer shop. when they swipe to right it would give them access to pick items on Customer App (App B) right away. The employee of the shop can confirm customer arrival and make changes to orders ... 14 Javascript, HTML5, App Developer, Payment Gateway Integration, Backend Development Jan 15, 2018 Jan 15, 201822t 20m $5172
PHP Developer for project frontend (Massive project) Looking for experienced PHP developer with to assist with this project. Details are confidential and are attached. Thank you! 55 PHP, ASP, Mobile App Development, Backend Development, Frontend Development Jan 14, 2018 Jan 14, 20181t 48m $30133
.NET C# Developer urgently needed Looking for experienced .NET C# developer with Visual Studio experience to assist with this project. Details are confidential and are attached. Thank you! 61 C-programmering, Visual Basic, .NET, Flash Animation, Backend Development Jan 14, 2018 Jan 14, 20181t 40m $1165
Need Java developer urgently Looking for experienced Javascript dev to assist with project. Details are confidential and will be provided upon bid. Thank you! 30 PHP, Java, Javascript, Flash Animation, Backend Development Jan 14, 2018 Jan 14, 20181t 27m $480
need react native developer I need to hire a very experienced react native developer. Our company is small startup company, and have several ongoing project for react native developer. We need at least 10 developers. Thanks 18 Mobile App Development, Backend Development Jan 13, 2018 Jan 13, 2018Avsluttet $5538
Development of web service with one-way screen sharing and user accounts Looking for a developer to build a basic web service with role based user accounts and session based, one-to-one, one way screen sharing. No set language / framework requirements. Please give your best price. This is a side project and I will have more work for you if you do a good job here. 23 Javascript, API, Backend Development, Frontend Development Jan 13, 2018 Jan 13, 2018Avsluttet $20
Mobile app with image processing We need to develop a mobile App that can capture a photo and identify the captured image from variety of images. 97 Android, App Developer, Image Processing, iOS Development, Backend Development Jan 11, 2018 Jan 11, 2018Avsluttet $594
ZenCart front-end job - need to install new theme with CSS/HTML pages onto a ZenCart store We have a new responsive theme made along with the CSS/HTML files set, but need an experienced zencart specialist to install the new design onto our website and connect the new design's front-end parts to the back-end functionality. Website address is [url fjernet, logg inn for å se], files set will be sent on request, theme sample pics: [url fjernet, logg inn for å se] [url fjer... 21 CSS, Zen Cart, HTML, Backend Development, Frontend Development Jan 11, 2018 Jan 11, 2018Avsluttet $546
Backend Project For XiaoMeiA Backend Project For XiaomeiA 25 Mobile App Development, iPhone, Android, Backend Development Jan 11, 2018 Jan 11, 2018Avsluttet $1309
an ability for my crypto wallet to lock payments pm me for more info or make a bid so I can contact you. 2 Backend Development Jan 9, 2018 Jan 9, 2018Avsluttet $40
BackendApi For Mobile Backend api for mobile 83 Mobile App Development, iPhone, Android, Backend Development Jan 7, 2018 Jan 7, 2018Avsluttet $1191
Can you permanently work with us - No for contractors We need the service of 3 experienced developers to work with us on full time permanent appointment. 1 Frontend developer 1 Backend developer 1 MQL developer Frontend develoer We need the service of frontend developer for as long as the development of our websites lasts. He may be released thereafter. Preferable six months minimum. Backend developer Backend developer will work with us ... 37 PHP, Nettsidedesign, Metatrader, Backend Development, Frontend Development Jan 7, 2018 Jan 7, 2018Avsluttet $1535
Full Stack developer - full time job - 06/01/2018 16:44 EST looking for full stack developer to work on few projects keep improve and bring more solutions to our existing projects 9 Full Stack Development, Backend Development, Frontend Development Jan 6, 2018 Jan 6, 2018Avsluttet $11
Looking out for an iOS developer and android developer for mobile application, along with a web front end and back end developer I am looking out for an iOS and android developer for mobile application, along with a web front end and back end developer. The concept of our project is to develop a platform for people to share photos and content in a personalized environment. 35 App Developer, Web Development, iOS Development, Backend Development Jan 5, 2018 Jan 5, 2018Avsluttet $1154
I need a full stack developer who can work for my application from scratch with DB structure, flow etc... I am working on a OTA application, for that I am looking for good fullstack developer who has wide range of expertise knowledge with coding and who is also challenging to work to complete the project as soon as possible with no bugs and all which can be go live for users and as wel as Admin. 12 Linux, Bootstrap, Microsoft SQL Server, React.js, Backend Development Jan 5, 2018 Jan 5, 2018Avsluttet $466
I would like to hire a Web Developer We are a small startup in Sydney, Australia. Looking for someone to turn our website design into reality. We have a finished graphic design but we need this code into a website. We are a subscription-based business where customers can log in an order a weekly delivery. Our back office is run by Chargebee who manage all the orders, payments and CRM etc. The website itself is basic only a few pages ... 111 Javascript, CSS, HTML, Backend Development, Frontend Development Jan 5, 2018 Jan 5, 2018Avsluttet $1788
Live soccer app i need somemone : - who can make the changes shown in the photos. - transfert that pages to another app. - makes an admin pannel to costmize : *matches list and live's servers (because it works now with api) and show me how to install it on my server. - makes the live's servers open in a player already installed in the ohter app. - makes ad banner shown on the player with a close but... 31 PHP, Android, JSON, App Designer, Backend Development Jan 3, 2018 Jan 3, 2018Avsluttet $227
Finalizing mobile application payment system Hello, i am currently working on a project that allows college students to borrow and exchange their products. everything is set up except for payment method which i am thinking of using apple pay. 89 Mobile App Development, iPhone, Backend Development Jan 3, 2018 Jan 3, 2018Avsluttet $1266
Live stream App If you are interesed please send us a message 73 Javascript, Android, App Designer, iOS Development, Backend Development Jan 3, 2018 Jan 3, 2018Avsluttet $3816
Build Endpoints for DB access, CRUD, JAVA, Google App Engine or AWS, Standard, SQL, Firebase Auth Meeting system will invite users via phone number, email address or uniqueUserID Google AppEngine Standard (or AWS) with Java8 and MySQL Use Firebase for authentication Build Endpoints API that can be tested via curl commands (for use via iOS and Android phones) Project is broken up into 7 stages. See attached PDF. Technical design is included, but can be altered if good reason to do so. ... 22 Java, Google App Engine, MySQL, Amazon Web Tjenester, Backend Development Jan 2, 2018 Jan 2, 2018Avsluttet $977
Developer and designer for shopify checkout page Need someone to help with my shopify checkout page. I need to add what3words service the checkout page. I need shopify to send 2 locations for fullfilment company: the sender of the package and the receiver address (in what3words format) I need to customize the looks of the checkout page to make it look like the shopify store. The checkout is managed by a 3rd party payment gateway called payfor... 29 Nettsidedesign, Shopify, Web Development, Payment Gateway Integration, Backend Development Dec 31, 2017 Dec 31, 2017Avsluttet $169
Check to see if people could cheat on my game The game is a text based game, the currency in the game consists of "Creons" and Radpacks. I want your help so you could check if someone could somehow manipulate the game with headers or some other form of vulnerability i didnt catch to make money from the game. I need someone who is good at this, i will be providing you with a login to the game. 10 Javascript, Backend Development, Frontend Development Dec 31, 2017 Dec 31, 2017Avsluttet $7250
Need a Backend Developer Need someone skilled in [url fjernet, logg inn for å se] & Python, also has to have general knowledge in Web Sockets. Will be needed to create an online casino around e-sports betting and potentially join our development team. 23 Python, node.js, Coding, Backend Development Dec 30, 2017 Dec 30, 2017Avsluttet $1202
i need backend for airbnb clone. the budget is 60usd only. we wrote the codes in ruby on the rails. must understand the concept. easy to negotiate. fast delivery. 5 Ruby on Rails, PayPal API , Backend Development Dec 30, 2017 Dec 30, 2017Avsluttet $20
to build digital library platform we want to build Digital Library Platform with a digital [url fjernet, logg inn for å se] platform provides a online book reading facility to users. 18 Programvareutvikling, Web Development, Backend Development, Frontend Development Dec 30, 2017 Dec 30, 2017Avsluttet $281
Backend website development for Ezra Box (an online peer to peer platform) Ezra Box is a peer to peer storage (physical goods) platform for college students. We already have backend code (to login/ signup/ place a storage request/ email inquiries/ confirm storage etc) but we have been re-designing our website. We need someone to help us connect the frontend design work we have already finished with the backend part of the website. We also need help uploading our website ... 63 SQL, HTML, Backend Development Dec 29, 2017 Dec 29, 2017Avsluttet $1158
Business Classification This work sample requires you to write an application that can crawl through Thomson Reuters company ranking pages and map businesses back to the PermID as available in the attached spreadsheet. Read the attached files carefully. 2 PHP, Java, Ingeniørvitenskap, Backend Development, Frontend Development Dec 28, 2017 Dec 28, 2017Avsluttet $432
Change design to amazon store to new template I have amazon api store and would like to change the design with new them i have. 30 PHP, Nettsidedesign, Amazon Web Tjenester, Backend Development, Frontend Development Dec 27, 2017 Dec 27, 2017Avsluttet $155
Build me a livestream IOS app (Readable, re-usable, understandable coding skill is A MUST. Also, the dev should be eligible for routine Skype calls.) We are planning to launch an IOS app in which we are going to do livestreaming. People will be able to engage with the live broadcast and showcase their responses. We are expecting up to 2 million viewers at our success peak and these viewers will be engaging with the... 4 Objektiv C, Video Broadcasting, C++ Programmering, Swift, Backend Development Dec 22, 2017 Dec 22, 2017Avsluttet $643
I need an app developer Hi. We need a experimented front and back end developer to build an app on iOS. The main function of the app will be to "collect rewards" for going to a specific place (Restaurants, Grocery Stores, etc). Geolocation functions will have to be really precise. Then, users would have to be able to transfer their rewards in gift-cards or PayPal transfer. 44 eHandel, Geolocation, Coding, Backend Development, Frontend Development Dec 22, 2017 Dec 22, 2017Avsluttet $2023
Website Development We have a few web development projects. Good pay and good environment to work along with. Location: Chennai. 35 PHP, Javascript, HTML5, Angular.js, Backend Development Dec 22, 2017 Dec 22, 2017Avsluttet $129
Twilio Developer We use Twilio service. Please don't bid unless you have experience in this area. We would like to add some "addons" available with the service such as and including all items needed for: 1) Ababa Transcription and Call Scoring 2) Deepgram Speech AI - Phrase Detector 3) OpenCNAM by Telo We run Twilio with FreePBX. We will provide a sandbox and production infrastructure for you to ... 9 Asterisk PBX, Analyse, Programming, API, Backend Development Dec 21, 2017 Dec 21, 2017Avsluttet $167
Develop Backend server for an existing App & Payment system We have an existing App and need to develop it with better quality (Admin panel, Payment system like uber, implement "order nearby tutor button", fixing mini issues). It's an iOS App, and we need to publish it next week. 20 PHP, Mobile App Development, Swift, iOS Development, Backend Development Dec 21, 2017 Dec 21, 2017Avsluttet $234
Add functionality to Our Membership & Management Website (HardCoded Design Ready) We're a startup looking for a developer to add functionality to our Membership & Management site, we had already created our designs thus the template is available hardcoded you just need to add functionality to the front-end so that the backend can start working. We had already structured everything up we just need it done asap. For our confirmation that you've gone through the jo... 38 PHP, Javascript, Angular.js, Web Development, Backend Development Dec 21, 2017 I dagAvsluttet $408
Developers & Designers need for an app Hello, I've an idea for an application. In brief, the app will have two types of users - Service Providers and Consumers. The service providers will arrange transportation andd accomodation facilities as per the request of consumers when those consumers arrive at their city/location. So, service providers will be like an organizers for consumers. Ping me on [Removed by [url fjernet, logg in... 6 Android, Markedsføring, iOS Development, Backend Development, Frontend Development Dec 19, 2017 Dec 19, 2017Avsluttet $39
Ebay/anazon type website I need a new website. I need you to design and build my online store. I need a website abd backend so people can sell on my site. 57 PHP, Nettsidedesign, Grafisk design, LiveCode, Backend Development Dec 18, 2017 Dec 18, 2017Avsluttet $637
Experienced firmware developer needed for IoT product implementing OTA updates with backend on CC3200mod Looking for an experienced firmware developer for 2-3 weeks to work on CC3200mod for OTA updates with backend. Requirements: - Must be experienced with programming in: Embedded C, RTOS & code composer studio. OTA working with backend. - Excellent verbal and written communication skills will also be needed for proper documentation creation and communication with project manager. 11 C-programmering, Innebygd programvare, RTOS, Backend Development Dec 18, 2017 Dec 18, 2017Avsluttet $462
Showing 1 to 50 of 122 entries
« 1 2 3 »