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.

Punësoni Backend Developers

Filtër

Kërkimet e mia të fundit
Filtro sipas:
Buxheti
deri në
deri në
deri në
Lloji
Aftёsitё
Gjuhët
    Shteti i Punës
    37 punët e gjetura, me çmimin EUR

    I need an iPhone and Android app. I would like it designed and built. The mobile app is for the website: https://thesdeals.com. The content in the app should be dynamically changeable from a backend application. The content will consist of images and text and would redirect to a website. Push notifications should be supported. Waiting for the offers. A PoC would be required.

    €644 (Avg Bid)
    €644 Oferta mesatare
    69 ofertat

    Queremos mejorar nuestra página, tiene algunos inconvenientes de links quebrados, Buscamos una página más práctica para nuestros clientes, en ella tenemos, servicios, clientes con que hemos trabajado, datos de contacto y queremos incluir un chat, necesitamos que la parte de servicios pueda incluirse de más servicios o reorganizarlos, y en la parte de clientes que...

    €161 (Avg Bid)
    €161 Oferta mesatare
    20 ofertat

    [identifikohuni për të parë adresën URL] is an entrepreneuring company pursuing the ambitious goal of broadcasting live images worldwide on multiple levels. From pole to pole, east to west, through cities and villages, over mountains and beaches, our explorers will endeavor to provide the most stunning and authentic LIVE views of the earth, immersing you in a truly unique and e...

    €471 (Avg Bid)
    Lokale
    €471 Oferta mesatare
    48 ofertat
    Dating App Completion 5 ditë left
    VERIFIKUAR

    Hello Freelancers, Please consider this project carefully before bidding. 2 - If you have no reviews or previous work on Freelancer please do NOT bid 3 - Project Involves taking on existing code and completing project before 1st April 2020 4 - All current code provided to successful bidder. 5 - Bid will not be awarded to solo developers 6 - Please do not request work outside of Freelancer Develo...

    €1197 (Avg Bid)
    €1197 Oferta mesatare
    82 ofertat
    €559 Oferta mesatare
    26 ofertat

    I want an mobile app in android and ios. The app will consists user, trainer side and an admin panel. Companies and freelancer are welcome to showcase their skills. The best and on time delivery will be chosen for the Project. Only Jaipur based are required. Thanks

    €1495 (Avg Bid)
    €1495 Oferta mesatare
    41 ofertat

    Somos uma futura empresa voltada a ensino e buscamos um profissional para fazer o back-end, implementar um Dashboard e implementar alguns recursos no front-end.

    €447 (Avg Bid)
    €447 Oferta mesatare
    7 ofertat

    We are in the process of hiring a python developer. This posting is not for that. Our job description needs to include four questions that we can use to identify a competent developer. In particular, he needs to have a security background, as our product tracks python dependencies for vulnerabilities. Please send four question and answers. Ideally things that are not easily Googleable.

    €34 (Avg Bid)
    €34 Oferta mesatare
    2 ofertat

    We need assistance on a project, specifically: Setup NoSQL database (MongoDB) Take our architecture designs and implement the database API's need to be created to send data back/forth between the app and database Authentication as per the doc Testing to ensure it's bug-free Company/developer needs to be fluent in English We're developing an app to go with this and we will handle t...

    €2412 (Avg Bid)
    €2412 Oferta mesatare
    9 ofertat

    I am looking for senior web developer who has experience with Paytriot payment integration. Only need individual developer. Not team. More details will be shared via chat box.

    €123 (Avg Bid)
    €123 Oferta mesatare
    24 ofertat

    I need to build a mobile and web app, that is similar to certain review/rating website like justdial or ask.com. Key features of this app - 1. Allows posting reviews on other businesses 2. Reviews must be structured. Reviews/ratings can be liked, loved, disliked etc 3. Reviews/ratings can only be posted by members/users This is a long term project as it is a part of a larger app.

    €6 / hr (Avg Bid)
    €6 / hr Oferta mesatare
    18 ofertat
    whatsapp api integration 4 ditë left
    VERIFIKUAR

    need to build platform for WhatsApp business

    €15 (Avg Bid)
    €15 Oferta mesatare
    1 ofertat

    We are looking for a Developer who can build a cryptocurrency payment gateway system which can be integrated to third party platform (Meta Quotes software (MT4/MT5) and other Financial / online Casino platform including CRM ) There will be backend and frontend, admin, affiliate, merchant portals, etc. We can provide you our idea. Please respond if anybody have done similar project. We request ...

    €6999 (Avg Bid)
    €6999 Oferta mesatare
    68 ofertat

    I need a knowledgable freelancer who will optimize back-end code to retrieve data, must implement the fastest method to retrieve records as speed is very important for my site. I need server response time under 200ms (requirement), current is about 2000~ms Analyze site speed and provide full report. freelancer needs to identify if issue is related to slow application logic, slow database querie...

    €224 (Avg Bid)
    €224 Oferta mesatare
    18 ofertat
    realidad aumentada 4 ditë left
    VERIFIKUAR

    busco frelancers o equipos o consultoras que tengan experiencia en apps usando la realidad aumentada. Solo contantarse si tienen una app con realidad aumentada y dejar el link para revisarla Se requiere para hacer una app para un cliente que quiere dejar ciertas señales dentro de un salon y segun ella salgan, videos, textos, preguntas segun el taller de entrenamiento que se esta haciendo,...

    €555 (Avg Bid)
    €555 Oferta mesatare
    13 ofertat

    I am a Product Owner developing products using Scrum for past 10 years. I have an idea for a business of my own: Essentially it is a website where one user can list tasks to be done and other users search the tasks to be done and can bid for the work. There would be a CV / Job History element for both users. There would be the options to pay for tasks to be done (standard), barter (i.e. i do one t...

    €11 / hr (Avg Bid)
    €11 / hr Oferta mesatare
    3 ofertat
    site de matematica 4 ditë left
    VERIFIKUAR

    .As dori crearea unui site web gen projecteuler.net. Functionalitatile la fel . Designul schimbat . In mare parte este vorba despre creearea unui site cu probleme de matematica . Utilizatorul sa poata da raspuns intr-un textbox(tastatura matematica) la problemele publicate de mine , iar daca raspunsul este corect la problema sa bifeze problema din tabel. Clasamente in functie de numarul de prob...

    €293 (Avg Bid)
    €293 Oferta mesatare
    8 ofertat

    I have the shell of a Shiny Dashboard and would like help with adding action buttons that allow for datatable to add/modify/delete entries. The data is initially read from .rds file and upon saving of changes the .rds file needs to be updated so that any subsequent reading from the .rds reflects the updated data. I will supply the ui.R/server.R/global.R scripts that I have as a shell for code to b...

    €59 (Avg Bid)
    €59 Oferta mesatare
    7 ofertat

    We are looking for a Developer who can build a cryptocurrency payment gateway system which can be integrated to third party platform (Meta Quotes software (MT4/MT5) and other Financial / online Casino platform including CRM ) There will be backend and frontend, admin, affiliate, merchant portals, etc. We can provide you our idea. Please respond if anybody have done similar project. We request ...

    €7096 (Avg Bid)
    €7096 Oferta mesatare
    41 ofertat
    LinkedIn like system 3 ditë left
    VERIFIKUAR

    We are looking for LinkedIn like system for uob postings and job applications along with news feed, job pages and applicant profiles similar to LinkedIn Please submit the demo urls

    €4178 (Avg Bid)
    €4178 Oferta mesatare
    47 ofertat

    We are a bootstrapped startup in software sale and marketing business. we need a CTO to handle tech end of the startup. No salary is offered. Just equity in the startup. Candidate must be well versed with various stack and master in one or two.

    €13 (Avg Bid)
    €13 Oferta mesatare
    2 ofertat

    Java Spring Boot Developer with Angular 7 experience needed for 2 days . Must have experience with Gradle, Angular 7 and SpringBoot. Have some major improvements and changes in project. Need to complete all.

    €98 (Avg Bid)
    €98 Oferta mesatare
    12 ofertat

    Zecide models human reactions to market events to produce structured financial analysis and data science tools for traders. So we need to build a backend for something similar to social media platform, also having ML models deployed. Rest can be discussed.

    €127 (Avg Bid)
    €127 Oferta mesatare
    1 ofertat

    i need a man who can build website, give back links. expert in S.E.O & Digital Marketing

    €3 / hr (Avg Bid)
    €3 / hr Oferta mesatare
    19 ofertat
    Ruby on Rails Developer 2 ditë left
    VERIFIKUAR

    We are looking for a Ruby on Rails developer co-founder for our tech startup. Experience with databases is required. Thanks!

    €984 (Avg Bid)
    €984 Oferta mesatare
    27 ofertat

    Deliverable: Development of server side component for communicating with the Concox GPS devices – involving full protocol implementation and post-processing of data received. Good fit for job: Someone who is aware of client-server protocol development using Java

    €448 (Avg Bid)
    €448 Oferta mesatare
    2 ofertat

    I need an existing Code or API. I don't have time for trial and error :) If you have an API, please provide the link. If you have the Code already done. Then I will purchase the Source Code. Kindly place your bids if you have the requirements.

    €37819 (Avg Bid)
    €37819 Oferta mesatare
    26 ofertat
    Mobile App and website development 1 ditë left
    VERIFIKUAR

    App and website are already developed but not ideal. Need someone based in Singapore to take over development and maintenance.

    €23 / hr (Avg Bid)
    Lokale
    €23 / hr Oferta mesatare
    22 ofertat
    PAYMENT GATEWAY 1 ditë left

    We need frelancer that already have experienced in make payment gateway system like midtrans or doku in indonesia. Please bid this project if you have experienced work this project before

    €1400 (Avg Bid)
    €1400 Oferta mesatare
    27 ofertat
    Guest Post Selling Marketplace 1 ditë left
    VERIFIKUAR

    Full details of the project are included in the attached file. We will ignore automated bids. We will require interested parties to submit a plan on how they will go about delivering the project.

    €34298 (Avg Bid)
    €34298 Oferta mesatare
    36 ofertat

    hello, I need a booking page in my wix website, Full website is created just need one booking page. I will provide the reference site, It must be a multistep booking in which when a person select a service price automatically increase

    €16 (Avg Bid)
    €16 Oferta mesatare
    3 ofertat
    PHP Web Developer 16 orё left
    VERIFIKUAR

    NearshoringID is a startup based in Bali, Indonesia that focuses on providing end-to-end solutions for companies based in Europe, Australia, and the U.S. We are looking for talented PHP Web Developers for a full-time OR freelance position, are you ready for a new challenge and grow professionally? Apply! Qualifications - Minimum of 2 years of experience as a PHP backend developer, and Jav...

    €1905 (Avg Bid)
    Lokale
    €1905 Oferta mesatare
    11 ofertat

    Need geo location redirects between USA and Canada. (Wordpress sites) Is it possible to detect IP address and redirect user to local specific website?

    €398 (Avg Bid)
    €398 Oferta mesatare
    33 ofertat

    I need an iPhone app. I would like it designed and built.

    €1299 (Avg Bid)
    €1299 Oferta mesatare
    17 ofertat
    3D model website development 5 orё left
    VERIFIKUAR

    I am looking for the PHP developer that have 3D website experience. There is a system like attached image, there is a Viewer in ThreeJS but we couldn't create the login authentication and billing parts. need to add these functions. Actually, the current Web system was made of Python, but the in-house Web engineers are generally familiar with PHP, so we want to use PHP for easy maintenance of...

    €462 (Avg Bid)
    €462 Oferta mesatare
    10 ofertat

    ayni back end servisle calisacak hem web sitesi hem de iOS uygulamasınn entegreli calisacak bir proje yapmak istiyorum.

    €297 (Avg Bid)
    €297 Oferta mesatare
    6 ofertat

    Artikujt Më Të Mirë të Komunitetit për Backend Development