Backend Development Jobs

Background We have a custom developed ecommerce website we want to do some bug fixes and add some services to it. The PHP website was developed 3 years ago. We have it re-installed on alowavejp.com. We discover some bugs we want to be cleared and we will users to be able to engage each other for various professional services. The raw source code (uninstalled version) can be found in our public_html directory. The site will be re-installed on other hosting account so the main source files at the root directory must be updated for any changes made. Please do this constantly once you make any changes, so as to keep track of everything. In addition, we have created an google excel file to track changes made and files affected, we will share this with you. Attached is a document that explains j...

We are seeking an experienced Node.js developer to integrate multiple third-party APIs into our existing project. The ideal candidate should have a strong background in server-side development with Node.js and expert-level knowledge of integrating APIs from Quickbooks, Zohobooks, Freshbooks, JIRA, Okta, Microsoft 365, GSuite, Slack, Zoom, Salesforce, Hubspot, Atlassian, Zendesk, GitHub, Semrush, AWS, Adobe Creative Cloud, Figma, and Zoho People.

I'm looking for a freelancer to help me use my existing website on platform - Wix - and connect it to my app user database via Velo, as well as set up a basic search and action buttons. I already have access to the app user database APIs, so that's not a problem. Although adding the basic search and action buttons on wix doen't need to be the prettiest, but the functionality with its connection to GraphQL database is what is most important and so I'm looking for someone who has experience with Velo, Wix, and GraphQL(must) can definitely take care of that for me. I'm looking for someone with experience/knowledge in those areas, who is reliable and motivated to complete this project to function as required. Attached image shows the simple functionality. What will be...

I am looking for the best flutter expert to build my awesome flutter dating app. I need the flutter app and backend. So it is a bit large. But I am sure that the expert can finish that in one month. It's extremely urgent project. Only flutter expert.

Get Ranking in Top3 in Baidu, Google, 360 view, Sogou Search,shenma search engine Requirement: How long time to get into Top3 What is budget? how many resources? Please share your proposal Please share your references in China

READ THE ATTACHMENT WITH THE COMPLETE OUTLINE BEFORE BIDDING!!! Don't waste our time with bogus bids that are not a real budget for the work. Bid once...and stick to it - the website is fully outlined in the attached pdf. IT EXPLAINS EVERYTHING so that you can bid clearly and accurately. WE HAVE ALSO added a math question into the document which we would like you to answer with your bid so we know you actually read the project! We will NOT even chat with you or entertain your bid without the answer to the math problem; we will report you also for false bidding. This is a medium level project overall that touches upon basic user data collection via questionnaires, the ability to compare and contrast data and provides matches to user. BASIC Admin and content control. Users can signups ...

Hi! I'm looking for a web developer to make changes to an existing HTML, CSS and JS website, with the scope being multiple page updates. I currently have designs and specifications for the project, so the developer should follow these instructions. The changes will involve updating existing HTML, CSS and JS to my requirements. The project requires attention to detail and may involve some bug fixes. I'm looking for experienced and reliable developers that are dedicated to creating a quality end product. If you think this is the right project for you, please don't hesitate to get in touch! I can pay a maximum of 1500 INR for around 8 changes that are not very major. Easy and superfast. Need to be finished by 2 AM Indian Time.

I am in need of assistance on a project involving OpenElementry and DataDog configuration. The work required is limited to configuration, so troubleshooting and coding are not necessary. I am looking for remote assistance only and do not need an on-site technician. The project involves configuring OpenElementry and DataDog technologies. If you have experience specifically with these or related technologies, please consider submitting a proposal for my project.

I am looking for a buddy model project and I'm searching for a skilled freelancer with experience to help me bring it to life. The type of matching I'm looking for is a skill-based approach. Therefore, I expect that successful applications should include the applicant's experience in this regard. In terms of the timeframe required, I would need it finished within several weeks. Please reach out if you believe you fit these criteria, as I am eager to start this project.

I am looking for an experienced Android app developer who can create a flexible backend system. The frontend is already done so only yhe backend system is left and it will be connected to an SQLite Database. The language for this project should be Kotlin. If you are experienced in developing such applications and have the skillset necessary, I will provide you the google meet so that I can explain more about the frontend and what you have to do. I look forward to hearing from you. Deadline today before 11:59pm.

Build a simple Slack app that can read/write from a google sheet. use of this app would be to help people check the meaning of some words from a custom google sheet. There should be two main functions: 1. by typing a word and entering in this slack app, users should be presented with the meaning of that particular word. 2. using a specific command, admins should be able to add new word definitions to the app's database/sheet so they can be queried by the users afterwards. write the code for this slack app and provide instructions on how to set it up.

Hello there, I am developing an multiplayer mobile game. I need a professional to write a boilerplate code for web api or rpc server that provides basic authentication, lobby, game-session, in-game action and storing user data. I am not a professional on that but i can definitely continue on a existed boilerplate code. So all my need is a basic project to continue developing my game's backend according my needs by using your template. Explanation of your code will be big plus. (For example: you can make call here for creating - joining lobby... Or call this sample action for in-game actions like when characters attacked each other etc.) Some useful information: Multiplayer Architecture: Client-Server Model Programming Languages that you can use: Javascript, C#, Java, Python, PHP D...

I have an existing code for a chrome extension Bot but this code is outdated and I want my code to be updated to current features. I am aiming to have the same updated system for Trading Bot on the Alerts of Tradingview Will discuss this further in the message.

Dear Freelancer, DuckMa is a software house specialized in mobile applications and startup projects. For one of our customers, we are looking for an experienced Laravel guru or a company offering such skills to develop a medium sized project in the field of Telemedicine. We have produced detailed documentation regarding the requested functionalities and we will provide to the winning bidder all the needed support and info. The project contains : - 3 main roles (Admin, Doctor, Patient) - Calendar scheduling for medical checkups - Videocall 1on1 during checkups (using 3d party API) - Each role is able to perform different actions and sees a different UI (though using the same template) - The platform will use a security deployment on Google Cloud (GDPR compliancy) - Online ...

We are seeking a freelance developer with expertise in NestJS to deploy our backend code to a server. The required endpoints must be hosted for integration into the frontend of our project. If you have a solid understanding of NestJS and are interested in a challenging project, we would love to hear from you!

Looking for Expert Website Developers to work on multiple websites. Must be proficient in 1. API Integration 2. Payment Gateway Integration 3. A bit of custom coding

Hi, We are looking for a competent Laravel developer. To perform 10 to 25 hours per week ( Monday to Friday). All the best

required node.js developer who worked on socket and build api.

I already have a website which made by core PHP and I want to make few changes in the design and maybe apis in about 11 screens the changed is basic in some screens like text, font size, buttons and layout. I want someone who has experience with php and CSS and backend please see the attached files which contains the screens and place your bid

Hi there, I am looking for a professional fullstack developer with experience in Laravel, Frontend, and Backend development to fully fix/customize a Vcard script. I need this project done as soon as possible and am open to having either a freelance or a full-time developer to assist me with this project. The specific coding language I require the developer to have experience with is PHP, JavaScript, and Python. The ideal candidate should have prior experience in programming and software development and be able to customize the scripts to my desired requirement. If you believe that you are the right fit for this project, please get in touch with me. I am offering a payment of 60 dollars for this job.

I want to create a product using generative ai where you can paste your articles or textbooks passages in and it creates images to help with retention of the content with a narrator in whatever void the customer wants at whatever speed they want

I need a backend developer + blockchain.

We have React Native Project only Front-end. so we need to implement backend. please write on your bid "Backend-Developer" first.

more details will be on chat pls start the bid by react

There is an application of the Chinese clothing store Poizon, links: Android - , iOS - We need to make a service that will generate HTTP requests in the same way as it does mobile app. Requests include tokens and signatures, so decompiling their Android application and searching for algorithms in the source code is required. Specifically about the task and TK in the attached file.

My project is a tutoring software and I need a developer to setup the back end. More details will be given to the developer upon application given the current development stage of the startup public details are limited. We are seeking an experienced back-end developer to join our team and help build the back-end infrastructure for our innovative software. In this role, you will be responsible for designing, developing, and maintaining the back end of our software, including the creation of a RESTful API. Exciting opportunity to gain invaluable experience, and work at a revolutionary and impactful startup!

Je veux créer une application mobile avec un coach de sports virtuel qui sera alimenté par l’IA. Les conversations se fera sous la même forme que chat gpt, pas besoin de créer visuellement le coach. Les messages qu’on adresse au coach virtuel devront être sauvegardés pour faciliter les futurs échangent.

Hi, I need a reactive front-end developer on an urgent basis for API implementations.  The APIs are developed in NodeJS.  Both the APIs and the design of a web dashboard are complete; all that remains is for a React developer to implement them. We have 15-to-18 screens.

Hello Freelancers. We are looking for a full stack developer who can create us a working E-Wallet android application both front end and back end for a good price. We would like the application to be developed on Android Studio and delivered within maximum of fourteen days. We have attached the Wireframe of what we would like the application to look like and we would like the developer to try to follow it as much as they can. Here are clarifications for some unclear parts in the wireframe for the application: 1-Whenver the user starts the application for the first time they go to the welcome page and can either choose to go to the sign up page by pressing on "Get Started" or "Login" hyperlink to get teleported to the sign in page 2-The "User Type" Dropdown...

I'm looking for an experienced software architect to develop a Software-as-a-Service (SAAS) application. SAAS Application Similar to [Plagiarism Checker module] The application needs to be web-based, and so NodeJS with React is the programming language I'd prefer to use. Timeliness is of the essence - while we don't have a defined timeline, we would need the application delivered as soon as possible. The software architect should have in-depth knowledge and experience with developing SAAS applications on the web in order to meet our requirements. If you think you are the right fit for this project then please don't hesitate to contact me.

The Debate Platform for Indian Elections is an online platform that enables politicians to engage in productive debates and discussions to gain public trust and run for elections. The platform allows candidates to send debt requests to discuss the challenges and development needs of a constituency, and all discussions are publicly visible and accountable to the public. The public can also vote on the polls and score candidates based on their behavior during the debates.

Explicit Filtering Phase project as discussed in chat for phrase detection and resultant redirect.

Hello! I need someone to build this site for me, ideally if you already have experience in this industry. As a reference I can offer already finished leaked source codes. (needs to be integrated with Bitcoin payment gateway, and I don't want to redirect users, I want it to be displayed everything on my site) (I will provide Bootstrap frontend)