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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    38 jobs found, pricing in USD

    Backend Developer Needed: Add Content for Jobs Website Using 3rd Party News API Client has a jobs website, , which features jobs by states in USA: There are 55 individual states, each with 100 pages. Total 5,500 pages. This is where we display our jobs. About 100 jobs per page. These jobs are updated daily. The Problem Google thinks these pages are directory listings, and assumes they don’t have uniqueness. This causes several “discovered not indexed” issues in webmaster (Google Search Console) Solution Add news content to individual pages using a News API Next Steps Evaluate the different News API tools, and present best option in terms of pricing and quality List of News APIs here: Investigate how to integrate Word AI into this to create uniqueness for con...

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    18 bids

    Hello! I'm looking for an individual Flask developer who can help with our backend enhancements in a long term. This is a kind of SMS messaging system using OpenAI and Flask (backend API). We use Github to manage the source code and built CI/CD with heroku. Strong knowledge in Python, Flask and Open AI experience is required. Requirements: - 3+ years of Flask experience - Open AI experience - own one or two iPhone devices (mandatory) - ability to be overlapped during the US time zone at least 3 hours a day - clear communication in English Thank you!

    $25 / hr (Avg Bid)
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    Hackathon expert 6 days left

    I want an expert in frontend ,backend and database

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    2 bids
    build a web app 6 days left
    VERIFIED

    Need a web app for speech to text conversion which can be connected to some back end APIs performing certain operations

    $334 (Avg Bid)
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    9 bids

    We are looking for back-end developer for woo commerce customization where we want to create family subscription package with multiple membership I'd support every family members should get unique I'd also that should save in back end database.

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    We are looking for a company to build our Dating app (Android & IOS along with the website). Including: Designing, Development, backend, APIs, Testing & Maintenance support. (Complete end to end) Details will be shared post bidding finalization.

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    Hi All, I am looking for java backend developerk who has knowledge Spring Boot and Microservices. This work completely having a laptop is mandatory. Timings : 7:pm - 2:30 am IST Max budget is: 60-70 K monthly No advance , No hourly bid. Indian developers who can speak Telugu are preferred

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    Rust developer 6 days left

    have a web project, and need a Rust developer from backend. ping your weekly rate and rust experience..

    $195 (Avg Bid)
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    Web Backend & Mobile App 5 days left
    VERIFIED

    I need a marketplace app for prototyping, web frontend and app mockup has already been done .. preferred flutter for app and PHP framework (CI/Laravel) for backend/API, but it still open for discussion .. the detail will be available via chat

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    i want an advanced full stack developer for my project

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    Hello, We are looking to hire Grails web app framework expert today. Also, we want to hire a frontend developer familiar with React and JSP as we use React/JSP on the FE, and grails on the BE. If you're familiar with Java or Ruby on Rails, this framework will be easy to work on the project. It's an exciting opportunity for an experienced developer who is looking for a new challenge with a fast-growing startup targeting the fastest-growing region in the world. The position is on a contract basis for 6+ months, on a milestone basis with the option to potentially become a full-time team member.

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    Hey, i have some crud operation work in Nodejs and ejs. Task :- 1. Country(Add, Edit, Delete) :- Country Name, Country Code, Flag, Country Code, Active/Inactive 2. Plan(Add, Edit, Delete) :- Select Country, Plan Name, Price, Validity, Talktime, Active/Inactive 3. Users(View) :- , User Name, Email, Image, Country, Passport Image, Verification Status, Status, 4. Only view - Give A Button Purchased Number when click on it, redirect on another page where:- , Country, Plan Name, Number, Status(Icemode-On/Off, Forward-Yes/No) I have purchased the bootstrap admin panel, you only need to set up and do crud operation. i have requiered complete this task by tonight

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    I want a website for my medical center, to follow up on cases and operations, and for me and my help

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    Logistics Website 5 days left
    VERIFIED

    I am starting a courier/cargo business & need a website for the same. I have tie ups with leading global carriers like FedEx, DHL etc. I would like to integrate their API on my site & would like to give users (my clients) the ability to print labels directly from my site. I would like the following features on my site - User management (login, track, reports, rates etc) - Development of API for my site for integration with my client who sell on various e-commerce platforms & sites - Integrating APIs of vendors with my site - Closed wallet for billing - Tracking facility of packages connected - Payment gateway integration - User specific Mis reports (auto) - Mail / SMS / Push notification - Public Rate - Serviceability Check / Transit time check - Social media, Google - SE...

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    Competences needed and Qualification: -Development of a web app interface -Front-End Developer -Web Design -User Experience Concept -Development of an advertisment bidding system -Backend Developer -able to develop a DSP (demand side platform for advertising) -able to integrate third-party machine learning tools, APIs and manage databases to define the context and sentiment of a user or a specific website -Facebook Marketing API -Google Ads API -Machine learning engineer or data specialist able to develop a bidding alogrithm with custom bidding goals to coordinate the advertising bids across the different platforms according to targets set on the front-end -Open-minded and creative thinker, self-starter, ready to set priorities make technical decisions and drive state of the art softwar...

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    Реализация достаточно простого торгового алгоритма на HTTP+Python. Алгоритм прописан в прикрепленном файле. Интерфейс - табличный. Документация по HTTP API:

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    website backend 4 days left
    VERIFIED

    i need backend finished for my wager gaming platform

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    I am running a small courier business. I act as an intermediary between large courier companies such as DHL, FedEx etc & my clients are the people who want to send parcels & documents via these companies. I would like to have a website of my own with the following features 1. Clients can create their own accounts & place orders / make payment via any of the available carriers with which have partnered with us. 2. See reports of the orders placed, track them, find quotes, COD payment 3. connect with APIs of business partners for performing different tasks; currently there are 5 to 7 different companies which have shared their APIs with us. 4. Also, need an API of my own which can be shared with my client for onward integration with their platform. 5. Send out whatsa...

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    hi, i have a plugin developed by a freelancer. the plugin enabled a POS system to connect to Dokan multivendor. i need to separate a part of that plugin that enables Dokan Stores to have multiple locations. and let the POS plugin use that new plugin. instead of having the full code. to be able to use it with other plugins as well. Thank you. only people with experience in this subject will be accepted for this task. thank you. Kind regards,

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    Swag. LLC 3 days left

    My application is based on social media and there are some bug and I want to add some updates on application

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    Hello. I am looking for the dedicated hardworking individual who can work full time for next several months Skills Php, .Net, Python React, Html, Css Backend development fast learning new skills full time dedication - 40+ hours per week. Good communication skills - fast response Bonus if know both backend frontend. Share the github profile on your bid with related tech stack on your bid Only individual freelancers, I am tired of hiring team or agency anymore. Thanks

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    Hello. I am looking for the dedicated hardworking individual who can work full time for next several months Skills blockchain technology fast learning new skills full time dedication - 40+ hours per week. Good communication skills - fast response Bonus if know both backend frontend. Share the github profile on your bid with related tech stack on your bid Only individual freelancers, I am tired of hiring team or agency anymore. Thanks

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    Looking for Php backend developers ( Code Igniter ) to work in an existing MLM website for addressing some modification and ongoing issues.

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    Any face recognition api can be used Teacher will be able to make different classes section, in which Attendence will be taken for different students using face recognition. When class ends the attendence will be automatically be send to respective teacher, if attendence of any student in any subject fell below 75%, website should automatically send mail to the student. while taking attendence , if camera fails to recognise student then, their must be some alternate way to record attendence...and if it is used teacher must know who used it. if attendence fell short then 10% in class it must be included in mass bunk.

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    SWAG LLC 2 days left

    Basicallty this application work on social media platform. Our application swag is available on play store and we want to clear some bugs and update some features like short vedio and some other update.

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    Hi, I am looking for someone who is proficient in web application development for the backend which is coded in Django and python and the database is Sql server. I have to improvise certain features in the application by adding new API endpoints. Please bid if you are good to start right away and already have everything set up on your end. Also, I could send the frontend code but it would be with cypress you will have to mock and run it. Only sincere bides please since my deadline is in 3 days.

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    PHP Developer (Full-time) 1 day left
    VERIFIED

    Looking for a PHP Programmer/Developer In charge of developing new features, and enhancements for education related software. Job specifics include planning, architecture, development, and deployment of project. Position may be a hybrid of work from home and onsite (in our Makati office). Bonuses to be given out for early project phase completions, and creation of new innovative feature solutions. More information about the project will be discussed upon hiring. Please only bid if you are available to work FULL-TIME. Preferably with more than 3 years of experience. Salary is 30k-35k/month with performance bonuses. Payment will be done on Freelancer.com. Looking forward to speaking with you!

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    Looking for an experienced Full Stack developer (with a focus on backend) who can build an analytics platform (similar to ). This is step one of the project (MVP) and we will keep adding milestones over the next months and years. This can quickly become a huge project so we are looking for a partner who can carry it forward over a long time. Backend to be written in Python ideally (Nodejs is also fine) with a React frontend. Experience with relational databases, fastAPI and AWS preferred. Documentation and notes are required as part of the development work. It's an exciting opportunity for an experienced developer who is looking for a new challenge with a startup whose mission is to align financial institutions with sustainable climate goals.

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    Featured NDA
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    Build Me a Website -- 3 1 day left
    VERIFIED

    Hi, I'd like to build a website for my writing company. It needs to be custom coded. Services include: - Resumes Writing - Business Plans - Website Content - Speeches - Editing - Tutoring - Professional Coaching Each type of service will result in its own landing page and order process. The tutoring and coaching requires integration with educational software to share screen and notes, etc. APIs are available. All will be tied together in the backend. Thanks, Phillip

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    We have a requirement for web development for one of our projects. Taking this forward, the website's front end is live. Here is the link for your reference , we want your team to help us with bulk functionality wherein a customer can order multiple services and would be charged for the same. Three things in particular. Bulk Project order. Payment capture for the same. Adding a new service to the portal. If required I can connect over a google call and I can run you through the backend via screen sharing this will help you understand the requirement better. Looking forward to hearing from you.

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    We have a requirement for web development for one of our projects. Taking this forward, the website's front end is live. Here is the link for your reference , we want your team to help us with bulk functionality wherein a customer can order multiple services and would be charged for the same. Three things in particular. Bulk Project order. Payment capture for bulk projects Adding a new service to the portal. Maintenance and support for 6 months If required I can connect over a google call and I can run you through the backend via screen sharing this will help you understand the requirement better. Looking forward to hearing from you.

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    I have a web application project in html, css, flask, python where the local sellers can signup, create their shops and manage inventory, as well as connect with other sellers. it is a kind of b2b marketplace for sellers. I want you to add a proper inventory management system to this web application so that sellers can manage their inventory and list the products on the site and also the chatting feature so that sellers can send friend request to each other and chat with each other.

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    مطلوب مهندس برمجيات باك اند وفرونت اند مختص في Flutter لصيانة مشروع تطبيق شات لاصلاح مشكلة البطئ في فايربيز. يوجد بطئ في الارسال والاستقبال والاشعارات ولايعمل بالشكل الصحيح مثل تطبيقات الشات السريعة ويوجد لود في التنقل بالصفحات المشروع جديد ومكتمل ماعدا الخلل الذي ذكرته نحتاج اصلاحه خبرة في قواعد البيانات وادارت السيرفرات والقيت هب والفايربيز شرط خبرة عالية في البرمجيات وله سابقة اعمال تطبيقات ------------------------------- A back-end and front-end software engineer is required, specialized in Flutter To maintain a chat application project To fix the slow issue in FireBase. There is slow in sending and receiving notifications and does not work properly, such as fast chat applications There is a load in the navigation pages The project is new and complete, except for the bug tha...

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    Hello, We are looking for an analytical, results-driven back-end developer who will work with team members to troubleshoot and improve current back-end applications and processes. The Back-end Developer will use his or her understanding of programming languages and tools to analyze current codes and industry developments, formulate more efficient processes, solve problems, and create a more seamless experience for users. Mainly you will be creating API's, Implementing, Designing databases. Please submit your proposal.

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    Necesito desarrollar un sitio web con pasarelas de pago de todo tipo

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    Manutenção e melhorias de um projeto que está operacional. Necessidade de conhecimentos de UX/Front e Back.

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    Proyecto sencillo de exposición de datos y fotos, sin interacción de usuario. Necesitariamos una persona de confianza que ejecutara el proyecto en col·laboración con nosotros. Importante residir en Barcelona.

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