Php based timesheet jobs

I need PHP and flutter experts only Bangladeshi. Who help me to reskin this full project. Mobile app and Web.

I'm in need of a skilled professional who ca...results should be reliable and consistent. - Image Type: The CT images to be segmented are specific to the brain. Therefore, experience with this type of image segmentation is highly desirable. Ideal Skills and Experience: - Proficiency in medical image segmentation, particularly with CT images and the brain. - Strong background in unsupervised machine learning techniques, with a focus on fuzzy-based methodologies. - Proven experience in delivering moderately accurate results for research purposes. - Ability to ensure the segmentation is in line with medical standards and practices. If you think you have the expertise required for this project, I'd love to hear from you. Please share relevant experience and your approach in...

I'm in need of an expert in c who can design and integrate GTK-based project. The project aims to enhance the GUI design and user experience. Key Requirements: - Experience in GTK: Prior experience in GTK-based software development is crucial for this project. - Cross-Platform Application: The final product should support Windows, Linux, and MacOS. Ideal Skills and Experience: - Proficient in GUI Design: The ideal candidate should have a strong background in GUI design and development. - Familiar with Motif Libraries: Prior experience in creating and integrating motif libraries is highly preferred. - Knowledge of GTK: Experience in GTK-based projects is a significant advantage. - Cross-Platform Development: Understanding of cross-platform application developme...

I'm seeking a developer with relevant experience in PHP scripting, Google Ads API and Windows OS to provide me with a script that will help with my Google Ads functions. This functionality entails both Keyword Planner integration and a Server-to-Server flow setup. Your tasks will be: • to integrate the Google Keyword Planner into the script, • to set up a server-to-server flow on a Windows operating system, • to ensure compatibility with PHP 8.0. Your understanding of Google Ads API for keyword planning and server interaction flow will be pivotal to this project. Prior experience with these tools will set you apart. Efficiency, accuracy, and an application that runs smoothly are key to the success of this project. Please be prepared to offer examples ...

I need a PHP website developed, with specific functionalities catering to a particular audience. I'm looking for a skilled PHP developer to create a website for me. While the exact purpose of the website is yet to be determined, I'd like it to be versatile and user-friendly. Ideal skills and experience for this project would include: - Proficiency in PHP, HTML, CSS, and JavaScript - Experience in designing and developing user-friendly websites - Ability to create dynamic and interactive web pages - Understanding of various web security issues and how to prevent them While the target audience is not specified yet, the website should be designed with a potential business audience in mind. This means a professional look and feel, and functionalities that mig...

Develop a prediction model to identify fake orders and suspicious transactions and forecast the sales of different products. I just need separate for each below mentioned task. Perform these task and show each one in Jypyter Notebook:- 1) Data Understanding and Pre-processing 2) Data Wrangling Operations 3) Descriptive Analytics 4) Diagnostic Analytics 5) Predictive Analytics 6) Recommendations and Conclusions The link of the dataset is

We are an EdTech startup seeking highly motivated Sales Development Representatives to join our team. As a Sales Development Representative, you will play a pivotal role in driving our sales efforts and expanding our customer base. Your...the ability to follow-through on client contracts. - Knowledge of the EdTech industry is a plus - Ability to work independently and meet targets You should be a motivated go-getter with the ability to handle objections and consistently close deals. If you're eager for the chance to exceed expectations and expand your potential, this could be the role for you. This is a commission-only, results-based sales job. Our minimum budget of USD 3,000 considers a milestone of at least 200 new individual clients (approximately 1 or 2 B2B clients). Are ...

I am seeking an expert in Python to design a basic face recognition attendance system. This project integrates a MySQL database, driven by a Python-based face recognition component. Ideal skills for the project include: - Proficiency in Python - Experience with OpenCV, TensorFlow, Dlib, or comparable libraries - Proficiency with MySQL databases Primary tasks will be: - Developing the face recognition component - Creating and integrating a MySQL database schema - Making informed suggestions regarding model training Your expertise and creative solutions will play a huge role in this project. I look forward to your ideas!

...cloud-based web application. I haven't settled on a specific type of database yet, so I'm looking for your expertise to guide me in selecting the most suitable option. The application should be developed using .NET Core and should include a Web API. Key Requirements: - Database Selection: I'm currently undecided about the type of database to use for the application. Your input in selecting an appropriate database will be much appreciated. - User Authentication: I would like the application to have user authentication capabilities, preferably integrated with popular social media platforms. - User Management: The web application should have user management functionalities. The ideal candidate for this project should be proficient in .NET Core, have experience in de...

I'm in search of a skilled PHP Laravel developer based in Dhanbad, Jharkhand, for a full-time role. The chosen candidate will be instrumental in the creation of a new website. Key Responsibilities: - Front-end Development: A strong foundation in front-end development is crucial for this role. You need to be able to create intuitive and responsive user interfaces. - Back-end Development: Proficiency in Laravel, a popular PHP framework, is essential to build a robust back-end for the website. - Database Management: Your expertise in managing databases will be pivotal in ensuring the site operates seamlessly. The primary focus of the project is: - Building a new website: You will be responsible for developing a new website from scratch. Your ability to translate de...

I need a smart attendance system for College Student , main focus is Attendance on Different subject like DBMS , PYTHON , JAVA , Etc which utilizes facial recognition technology. Like I want to take Attendance for all the subjects, so in take attendance there should be a option or drop down for the list of Subjects You want take the Attendance Key Elements: - On the main page/home page I need user to register with there Name, Id ,Phone number - And then a Button to take attendance on different subjects using Facial Recognition , in which there should be a option or drop down for the list of subjects - And one main Feature is to show a Pie chart which represents how many students has attended DBMS class , Python class etc - Attendance should be saved in XL Sheet and Pie chart should b...

...seeking a proficient developer to build a user authentication and authorization system using JS, Node.js, and MySQL. The core function of this project will be role-based access control. Key Features: - Role-based access control system: The system should be able to accommodate three different roles - Admin, User, and Guest, each with different permissions. Ideal Skills and Experience: - Strong proficiency with Frontend JavaScript, and Backend Node.js. - Proficient understanding of databases particularly MySQL. - Comprehensive experience in building authentication and authorization systems. - Knowledge of implementing role-based access control. 1 Registration Screen for Admin & User UserID Password Confirm Password FirstName MiddleName LastName Em...

I am in need of a qualified Product Manager who can effectively manage my software product, which is a web-based service. I am not disclosing the primary functionality of the web-based service at this point but it could involve either data management, customer interaction, or eCommerce transactions. Skills and Experience required: - Proven track record with managing web-based service software - Proficient understanding of data management, customer interaction, and eCommerce transactions - Capability to strategize and plan product goals and execution The ideal candidate would have insightful understanding of the intricacies of managing a web-based service software product and be up-to-date with the latest industry trends and technologies. A solid background in ...

I am looking for an experienced developer to help me create a minimalistic PHP web app that can perform a few key actions - user registration, send email notifications and generate reports. Key Requirements: - User Registration: The app should have a simple user registration system. - Email Notifications: It should also be able to send email notifications to users. - Report Generation: The app needs to have the capability to generate reports. I'd like to gauge the freelancers' skills and competence based on their past work, so please include examples of your previous projects in your application. Ideal Skills and Experience: - Strong PHP development skills - Experience in creating user registration systems and handling email notifications - Familiarity wit...

I'm in need of an experienced PHP developer who can perform a thorough inspection and subsequent modification of my web application. Here is what the project will entail: - **Design Modification:** The application's design needs some tweaking to achieve the desired look and functionality. If you had prior experience with UI/UX, it would be fantastic. - **Functionality Enhancements:** Some parts of the app aren’t functioning the way they should, therefore need some enhancements to improve usability and the overall user experience. Ideal candidates should have a profound understanding of PHP, as the code is written in this language. Prior experience in working with web application optimization, user interface design, and functionality improvements would be be...

I am looking for a skilled programmer with experience in algo trading using Python - preferably with experience with crypto exchange API. I already have a specific strategy in mind, so I would like someone who can work with me to implement it. Ideal skills for this job include proficiency in Python and experience in API trading. I am looking for a programmer who can work with me on a long term basis with support. Details can be discussed.

I'm seeking a talented developer to create a flight booking web platform that leverages artificial intelligence. The ideal candidate will have a deep understanding of both web development and AI technology to deliver a user-friendly and efficient booking tool. The site is partly developed (stack: NextJS, MongoDB & Prisma), only a small part of it is ready (not much around 25% done so far), initially the current code needs to be checked, fix bugs and develop the project The project is a flight booking site, Here's what the project entails: - Development of an AI-driven flight search and booking platform - To be exclusively used in a web format - Priority is quick project completion, as I need this done ASAP Attached are the specific tasks required Sigma design is ready a...

...designer with expertise in developing cover designs and page layouts for faith-based books. I welcome your creativity while maintaining a tasteful and respectful approach to the subject matter. Your design should cater to a broad demographic. Key Skills Required: - Strong graphic design skills. - Experience designing book layouts. - Knowledge and understanding of faith-based themes. - Ability to interpret and communicate complex ideas visually. - Strong creativity and problem solving skills. - Excellent communication and collaboration skills. • Experience with typography and laying out inspirational quotes. Key Requirements: • The overall aesthetics should evoke an inspirational mood. • Experience with faith-based materials is beneficial but not ...

I need a creative and passionate individual (or team) who can establish a spectacular identity for my Christian teaching ministry. This comprehensive project requires branding of utmost quality, that inspires trust and is deeply rooted in the Christian faith. Key elements include: • Logo Designing: A unique and compelling logo, encapsulating the core symbols of our ministry - the Cross and the Bible. I'll need multiple sizes and file types suitable for various uses. • Color Scheme: Crafting an inspiring, trust-eliciting color palette that aligns with the emotions that our ministry aims to evoke. • Website Design: An attractive, intuitive, and easy-to-navigate website that primarily serves as an informational platform to disseminate our teachings to our growing fello...

I'm seeking a freelancer based in the USA with skills in web development, graphic design, and content writing. Since I did not specify my project's main goal or its scope, versatility and ability to adapt will be a critical trait for the freelancer. In summary, I need: - A US-based freelancer - Skills in Web development - Proficiency in Graphic design - Experience in Content writing - Ability to be versatile and adaptive to the project's needs.

I require a simple but informative sketch of a cut bottom truss chord repair. This drawing is for: - Structural analysis - Basic outline Here's what I'm looking for in a freelancer: - Proficient in sketch-based designs, with an understanding of structural analysis - Ability to deliver a drawing that offers a clear understanding of the repair requirement - Previous experience in construction or repair documentation would be advantageous It is important that the finished output be a sketch, providing a straightforward representation of the repair design.

I have a header created with elementor that allow me to display it based on specific page, product, category, etc... but I want to display it based on the URL and elementor dont give me that option. I have one wordpress installation but I have different domains for different pages in the same wp installation. Example: the website is hosted on but the are some landing pages inside the wp installation that are access with other domain (So every time the URL is , it should display the custom header created with elementor) I expect it to be solved with PHP/JS, not with CSS

I am seeking a proficient developer to create a custom-built chat program for web. The chat function must include the following features: - Private Messaging - Group Chat I want a version similar to the famous DigiChat version. Pictures will be attached programming languages lareval-php- vue js I have a video clip of everything I want, but the existing pictures are a clarification. I want someone who knows the DigiChat version and has previously made a similar chat version Ideal skills include web development, a firm grasp of chat program functionality, and the ability to implement the unique design I will provide, so aesthetic finesse is a must. Your creativity will be appreciated, but following my specific design preferences will be critical for this project. Please include any ...

Self-Hosted web based Jigsaw Puzzle game server. Search engines are showing me desktop apps, for me on my own computer. I want to host on my Linux server, and offer to my Fans. (Because my images are mine, and I don't want to publish on free Jigsaw Puzzle platforms.) This project is more about determining which existing package to pick and install, rather than to write something. I've been wanting to do this for months, and now is the time to focus on this. Ideal Skills and Experiences: - Web servers - Interactive content - Familiarity with jigsaw puzzles or similar games

I'm looking for a skilled and experienced developer to help update and optimize our existing app for our business. Contact Number 7999978O355 Key Goals: - Optimize the performance of our current app - Maintain its high standard of quality and usability Ideal Skills and Experience: - Proven experience in PHP and/or Android development - Ability to effectively optimize app performance - Understanding of business app requirements and best practices For this project, the primary focus will be on performance enhancement. This will require a diligent and detail-oriented approach to ensure that the app continues to work seamlessly for our customers. The successful candidate will not only have a strong technical background but also an ability to understand and work within an existi...

I'm searching for a skilled web developer to create an exceptional attendance system. Duty based attendance, For a given date and for a given duty you will be having only one employee working We should be able to add new duties. For given day you will be having fixed duties….we fill employee names into those duties….there will be some optional duties….we might assign it or not. Kitchen duties assignment form, and restaurant duties assignment form…..word formats of these forms are attached. Duty type – full or half Employee table – name, role, salary type, salary, and other personal details, Based on the duties assignment we should calculate summary reports…head count reports…..cost incurred report…. Weekly Du...

I'm looking for a professional game developer who can create a simple text-based game for Windows using Visual Studio or C++. The primary goal of the game is to entertain users. That being said, there are a few specific requirements the game should meet: - The game must be compatible with Windows possibly others - The graphics of the game should be simple and text-based. It is important that you are experienced in game development and familiar with Visual Studio or C++. Being able to provide examples of previous similar projects would be a big plus. If you believe you fit the bill, please reach out.

I am in need of a skilled Performance Based appointment setter with experience in the solar and roofing industries. Key Responsibilities: - DM appointment setting focused on the solar and roofing markets. - Specifically targeting the USA. - Aiming to set between 11-20 appointments per week. Ideal Candidate: - Knowledgeable and experienced in direct message appointment setting, especially within the solar and roofing industries. - Exceptional communication skills with a keen eye for lead identification. - Prior experience in performing such tasks on a national level is a definite asset. Compensation- 15% of Every deal Each Deal is $5,000-$50,000 in Value

Note : my budget not more 10$ for whole project Create web app based on chatgpt API and custom model . With frontend and backend Requirements : The idea is to create a web application that integrates ChatGPT API and a custom model. The functionalities include generating scenarios using ChatGPT API and then distributing tasks to users based on the scenario and their profiles or needs. For example, let's say the chatbot has users A, B, C, and D. The system selects which user to assign a task to based on their profile or needs. If the task is assigned to user B, they perform the task. If user B accepts the task, the system may assign a task to user A next. If user B declines, the system may change the scenario or assign the task to users C or D. In essence, use...

I'm in need of a skilled developer to incorporate a web builder interface into my Medusa JS based platform. The key requirements for this project are: - **Features and Functionalities:** I want the web builder to have a drag-and-drop interface and pre-designed templates. This is crucial for the user experience and will set it apart from other platforms. - **Drag-and-Drop Interface:** I need the drag-and-drop interface to be easy-to-use, and allow users to rearrange elements. It should also support multiple device views, such as desktop, mobile, and tablet. - **Pre-Designed Templates:** The pre-designed templates should be modern and clean. It would be beneficial to have a variety of industry-specific templates and customizable color schemes, but for now, the primary focus is ...

Note : my budget not more 20$ for whole project Create web app based on chatgpt API and custom model . With frontend and backend Requirements : The idea is to create a web application that integrates ChatGPT API and a custom model. The functionalities include generating scenarios using ChatGPT API and then distributing tasks to users based on the scenario and their profiles or needs. For example, let's say the chatbot has users A, B, C, and D. The system selects which user to assign a task to based on their profile or needs. If the task is assigned to user B, they perform the task. If user B accepts the task, the system may assign a task to user A next. If user B declines, the system may change the scenario or assign the task to users C or D. In essence, use...

I am seeking an UK based experienced Golang Developer to build a robust and secure Go program that manages updates for another Go executable. This project requires creating a system that monitors GitHub to automate the process of updating, running, and, if necessary, rolling back an executable in a restricted Linux environment. Responsibilities: Develop a program that checks for new versions of an executable stored on GitHub and updates the running executable accordingly. Implement functionality to run the updated executable and perform startup tests to ensure its stability. Design a rollback mechanism to revert to the previous stable version if the new version fails at startup. Incorporate signature verification for each new executable to maintain security and authenticity. En...

I'm in need of a skilled developer with a strong background in PHP, particularly in backend development. The project involves creating a simple e-commerce website with less than 5 pages. This site will function as an online store, primarily focused on selling products or services. Ideal skills and experience: - Proficiency in PHP - Experience in backend development - Previous work in e-commerce websites - Understanding of user registration and login systems - Knowledge of database integration

Looking for a personal assistant who is ideally based in Indonesia to support a busy executive/business owner to manager various admin related tasks. These include: - Online research for home renovations / home moving - Bookkeeping and data entry of receipts and audit of existing receipts and invoices - Budget management - Online research for furniture and home decorative items (Gumtree / Facebook Market Place and Google) Immediate start and must be familiar with Google Workspace (G sheets, G docs, Gmail and etc.

I need a skilled PHP developer to write a script that will interact with an API and retrieve User Information and Product Details. The fetched data should then be displayed in HTML format, enabling users to search through it. Key Requirements: - Fetch User Information and Product Details from an API - Print the fetched details in HTML format - Implement a search function to enable user interaction Ideal Skillset: - Proficiency in PHP - Experience with fetching and handling data from APIs - Strong understanding of HTML and web interface design - Prior experience implementing search functions in web applications Please provide examples of your previous work with APIs and user search functions.

I am seeking an experienced HTML/CSS/JQUERY/PHP developer with at least 4 years of experience to join me on a project. for agency Website/portfolio. Key Skills: - Proficient in HTML and CSS, with experience in responsive design, CSS animations, and the Bootstrap framework. - Strong command of JQUERY and PHP. As part of the application process, I'd like to see: - The number of years you have worked in this field. - Examples of your previous projects showcasing your expertise in the mentioned technologies. Please only apply if you meet these requirements and have a portfolio that demonstrates your proficiency in these areas. Experience is key, so make sure to highlight this in your application. Looking forward to seeing your applications.

I'm in need of affiliate marketer to promote a specific software; a website administration tool. This is a commission-based role, and your focus will be to boost sales and visibility of this particular software. Here are my expectations: - You should have substantial knowledge in website administration software - Proven experience in affiliate marketing is vital - Having any former marketing experience revolving around software would be a great advantage Please, kindly note that there's no specific functionality or feature for the tool that should be primarily promoted. Your goal is to universally market this software to prospective buyers and commission is pay based on the sales generated

I am seeking a highly skilled and experienced electronics engineer who can develop a wireless multimeter using the ESP32 module. This device should possess the functionality to measure voltage, current and resistance with a high degree of accuracy. Key Features: - Voltage Measurement: The multimeter should provide accurate voltage measurements. Experience with similar projects is desirable. - Current Measurement: The multimeter should also be designed to accurately measure current - previous experience with this feature is necessary. - Resistance Measurement: The device must measure resistance without error. A strong background in this area is required. The output from these measurements should be conveniently displayed on a mobile app. For this, I need a developer with experience in wi...

I need an experienced PHP developer, particularly with Laravel and Symfony expertise. The main task for this project is to fix an issue with mpdf, which is currently generating incorrect PDF output. Key responsibilities: - Identify the root cause of the incorrect PDF output - Implement the necessary fixes to resolve the issue Ideal skills and experience: - Proficient in PHP with specific experience in Laravel and Symfony - Prior experience with mpdf is highly desirable - Ability to troubleshoot and debug efficiently - Strong problem-solving skills - Attention to detail and commitment to producing high-quality work This is a relatively straightforward issue, but I am looking for a developer who can address it promptly and effectively. Please provide examples of similar proj...

I'm seeking a skilled developer to build a speaker identifier using Python and the Siamese Network model. It must be able to: - Differentiate between multiple speakers in a single audio clip - Identify the same speaker across different audio clips The developed system should accept .WAV as the input format. It's crucial for the prospective freelancer to be proficient in Python, with a deep understanding of Siamese Networks and audio processing. Sound knowledge of Machine Learning principles and techniques would also be a plus. ** explain the code

Seeking experienced PHP developer to modify our site, to suit our needs. There are several modifations that need done. To qualify: You MUST be ONLY working on our project. If you have other projects going on at the same time then this is not the right fit. We want ONE individual to make changes and NOT an agency. You must be experienced with software by Botble (this one is farmart). It is written with Laravel in plug in format, so you must have experience with this type of code structure and you must write all new code in this format. Once awarded you will be given task. Milestone for the first days tasks will be activated, and payment will be released once the days tasks are live on our site verified to be working. You must complete that task within a timely manner in order to...

Looking for an experienced embedded systems developer to assist with bringing an existing prototype to market. More information will be provided on request but broadly speaking current prototype is based on a series of ESP32 modules using ESP-IDF. We're seeking a developer/engineer experienced in PCB design and firmware development on the ESP32 platform with particular experience on fine-grained optimisation of memory management.

I'm interested in building a robust, web-based Customer Relationship Management (CRM) app aimed at small to medium-sized businesses, as well as burgeoning startups. My expectation is a system that integrates three-fold functionality: • Coherent Contact Management: integration of an intuitive system to store and manage contact information. • Flawless Deal Tracking: A real-time, efficient system to track ongoing deals and future opportunities - very crucial for operations. • Advanced Email Tracking: A system that allows the tracking of sent and received emails, giving real-time updates and promoting efficient communication. In addition, the app should cater to finance, IT and HR operations, to facilitate seamless business activities. Developers adept in CRM softw...

I am looking for a consumer researcher to visit 3 stores in ROUEN. The project in a nutshell: -All information will be captured via our company's App that has to be downloaded by way of a link emailed to the successful candidate. -Visit 3 supermarkets in Rouen, addresses will be provided. -Around 42 products in total not per a store. – Assess packaging of products for our client, products include baby diapers, feminine hygiene products, kitchen paper and toilet paper. -10 samples per a product has to be assessed. E.g Product A is baby diapers, 10 of these will have to be looked at closely for defects. -If samples are good no photos are required, if samples have defects photos are required showing the defect clearly. -No products need to be purchased. -Good quality photos are e...

I'm in need of an expert in Xero for my recruitment business. What I need: - Complete Setup: I need my Xero account set up from scratch for my business - Essential Features: Prioritize Invoicing and payments, Expense tracking, Payroll management, and Inventory tracking. Ideal Skillset: - Extensive Xero Experience: Proven track record with Xero for businesses, especially in the recruitment industry. - In-depth Knowledge: A clear understanding of Xero's functionalities, especially those relevant to my business needs. - Customization Expertise: Ability to tailor Xero to meet the specific needs of a recruitment business. - Time Efficiency: I'm looking for someone who can complete this setup promptly and accurately. Please provide a summary of your Xero experience in your p...

I need a PHP script to calculate working hours based on the start and end time. The script should: - Calculate working hours based on the start and end time - Handle only standard working hours - Automatically deduct a fixed break time Ideal skills and experience for this project include: - Strong PHP programming skills - Experience with time and date calculations - Understanding of working hour calculations and break time deductions - Ability to create a clean and efficient script

I'm seeking a proficient PHP Developer, capable of performing specific tasks like PHP scripting without CMS/Framework. The core responsibility will be to parse strings and files, specifically CSV files. The ideal candidate is someone with strong PHP scripting skills, problem-solving attitude, and expertise in CSV file parsing. Your primary goal will be to customize the functionality of my website by automating some repetitive tasks and creating dynamic content. Experience with unstructured data formats like CSV will be critical to your success in this position.

Note : my budget not more 15$ for whole project Create web app based on chatgpt API and custom model . With frontend and backend Requirements : The idea is to create a web application that integrates ChatGPT API and a custom model. The functionalities include generating scenarios using ChatGPT API and then distributing tasks to users based on the scenario and their profiles or needs. For example, let's say the chatbot has users A, B, C, and D. The system selects which user to assign a task to based on their profile or needs. If the task is assigned to user B, they perform the task. If user B accepts the task, the system may assign a task to user A next. If user B declines, the system may change the scenario or assign the task to users C or D. In essence, use...

Note : my budget not more 30$ for whole project Create web app based on chatgpt API and custom model . With frontend and backend Requirements : The idea is to create a web application that integrates ChatGPT API and a custom model. The functionalities include generating scenarios using ChatGPT API and then distributing tasks to users based on the scenario and their profiles or needs. For example, let's say the chatbot has users A, B, C, and D. The system selects which user to assign a task to based on their profile or needs. If the task is assigned to user B, they perform the task. If user B accepts the task, the system may assign a task to user A next. If user B declines, the system may change the scenario or assign the task to users C or D. In essence, use...

Note : my budget not more 20$ for whole project Create web app based on chatgpt API and custom model . With frontend and backend Requirements : The idea is to create a web application that integrates ChatGPT API and a custom model. The functionalities include generating scenarios using ChatGPT API and then distributing tasks to users based on the scenario and their profiles or needs. For example, let's say the chatbot has users A, B, C, and D. The system selects which user to assign a task to based on their profile or needs. If the task is assigned to user B, they perform the task. If user B accepts the task, the system may assign a task to user A next. If user B declines, the system may change the scenario or assign the task to users C or D. In essence, use...