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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    16 jobs found, pricing in USD

    We need help on RTMP certificate and resolution. We have a solution that was working. The certificate recently expired and now we don't see the stream. Need someone to quickly fix it. It uses node.js and nginx server.

    $20 / hr (Avg Bid)
    $20 / hr Avg Bid
    3 bids

    Hello, everyone. I'd like to compile backend api from existing c++ source code. This must be executed on Linux Web Server.

    $29 (Avg Bid)
    $29 Avg Bid
    5 bids

    I need an iPhone app. I already have a design for it, I just need it to be built. It’s a wedding planning app that needs the following functionalities built Planning tools such as to-do list, budgeter, calender integration, guestlist management, venue floorplan design, seating arrangement design, registry Vendor Marketplace to communicate and pay vendors Guests- allows guests to attend an...

    $2520 (Avg Bid)
    $2520 Avg Bid
    111 bids

    We are looking to hire someone who is familiar with Rails to add the features to our website. If you are already familiar with Rails then update me please. This will be long term relationship. Looking forward to hearing from you. Thanks

    $23 / hr (Avg Bid)
    $23 / hr Avg Bid
    50 bids

    Hello, everyone. I'd like to compile backend api from existing c++ source code. This must be executed on Linux Web Server.

    $24 (Avg Bid)
    $24 Avg Bid
    7 bids

    Hello, everyone. I'd like to compile backend api from existing c++ source code. This must be executed on Linux Web Server.

    $30 (Avg Bid)
    $30 Avg Bid
    5 bids
    Project Health 4 days left

    I need an existing website rebuilt. I need you to design and build my online store.

    $375 (Avg Bid)
    $375 Avg Bid
    23 bids

    We would like some changes made to a custom built program for accounting. We have a number of formulas that would need to be changed, we would need to speak to someone to fully explain the changes that need to be made. Must be able to work on location in London.

    $630 (Avg Bid)
    Local
    $630 Avg Bid
    40 bids
    Backlinks............ 3 days left
    VERIFIED

    Someone to write and create back links for vacation site

    $21 (Avg Bid)
    $21 Avg Bid
    4 bids
    Chat with AI 3 days left

    Slack chat boot with artificial Intelligence.

    $3160 (Avg Bid)
    $3160 Avg Bid
    15 bids

    UI front end design and coding for website and mobile App (android and ios) in same framework code, preferably in flutter. Estimated 15 views /pages. API, back end and App deployment scope are excluded. Project duration- 10 week development and 2 week for UI/Backend testing/integration in 4 milestone dates . The Location mus be in chennai.

    $3074 (Avg Bid)
    Local
    $3074 Avg Bid
    12 bids

    PHP Custom Website (SQL/Linux) Requires 3 fixes: 1) Backend code/reconfigure the 'sent from' email address element of a quick reply form which a customer completes on the site so that it is not obstructed by AOL's/Yahoo's authentication/DMARC policy, and we receive it without it being blocked. 2) On the same quick reply form, there is currently an 'upload one document'...

    $66 (Avg Bid)
    $66 Avg Bid
    29 bids
    Restaurant Booking Manager 20 hours left
    VERIFIED

    We are looking for a SaaS system to manage bookings for restaurants. Please note that we do not want you to build a system from scratch but to start from an already existing solution. We already have an app which is a good starting point that needs some customizations, but if you have any other solution feel free to let us know. KEY FEATURES Key features we are looking for: 1. SaaS structure...

    $616 (Avg Bid)
    $616 Avg Bid
    61 bids

    My Website will have functions and features similar to airbnb but is NOT in the property market. Please read fully my following requirements before submitting your proposals. I am based in the UK and from my experience of Freelancer and Upwork, (i.e. working remotely with people) has NOT been very good and several projects remain incomplete & undelivered. Therefore, on this project, I...

    $1397 (Avg Bid)
    Local
    $1397 Avg Bid
    6 bids

    We are looking for a FILIPINO REACT NATIVE developer to assist out development team. You will be working on an existing APP, helping us to take it to the next level. Must be in the Philippines so we can able to quarterly. React Native

    $876 (Avg Bid)
    $876 Avg Bid
    16 bids

    Necesito mejorar la velocidad de mi página web. Es una plantilla de wordpress Gracias

    $131 (Avg Bid)
    $131 Avg Bid
    40 bids

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