Yii2 or codeigniter big erp application developers jobs

I'm looking for a dedicated team of WordPress developers for a comprehensive e-commerce plugin creation. Key Features: - Inventory Management - Payment Gateway Integration - Customer Reviews - Directory - Community - Videocalling - Privacy and Confidentiality - MORE ADVANCED FEATURES on Second phase. Additionally, the plugin needs to incorporate third-party services, particularly: - Shipping services - Marketing tools -WooCommerce Ideal Skills and Experience: - Proficient in WordPress and full-stack development - Extensive experience in creating e-commerce plugins - Familiarity with integrating third-party services - Ability to develop advanced features in subsequent phases - Knowledge of privacy and confidentiality standards - Skills in implementing community and video cal...

I'm looking for a skilled developer to create a Desktop-based app that automates the entire booking process for the Goethe Zertifikat B2 exam in various centers across India. The app/code should be capable of: Key Features: - Selecting all exam modules: ...currently undecided on whether there should be a user interface for manual overrides, I would appreciate a proposal that includes a user-friendly interface for potential manual interventions. The ideal candidate for this project should have experience in creating automation application and a strong understanding of the exam booking process. Skills in software development, particularly for desktop applications, will be highly beneficial. Please only bid if you have the expertise to deliver a high-quality, functional appli...

...versatile web application that seamlessly operates across Windows, macOS, and Linux platforms. This application should primarily focus on two significant features - billing and invoice generation, while also incorporating comprehensive reporting capabilities. Key Features Needed: - Diverse Billing Functions: The application must cater to various billing scenarios. This includes recurring billing, one-time billing, and the capability for custom billing plans. - Robust Invoice Generation: A key aspect of the application will be its ability to generate invoices accurately and efficiently. - Detailed Reporting: The application should also have a strong reporting feature, providing insights into billing and invoicing trends. Ideal Skills and Experience: -...

I'm seeking skilled freelancers with expertise in Google Big Query and Google Sheets to assist with crucial tasks. Data Structuring and Query Optimization - You will work with multiple data sources flowing into our Google Big Query Data Warehouse on GCP, primarily external APIs and third-party analytics tools. - Your role will involve writing efficient and optimized SQL queries to structure and process the data. Report Automation - You'll be responsible for automating the generation of daily sales reports directly on Google Sheets. - It's vital that these reports ensure real-time updates and seamless integration with our Big Query data. Skills Required: - Proficiency in Google Big Query and SQL is essential. - Hands-on experience with Google Sh...

...Detail: From transitions to color grading, audio synchronization, and pacing—every frame should feel intentional. • Versatility: Ability to edit across multiple themes, including travel adventures, lifestyle moments, and intense workout sessions. • Strong Technical Skills: Proficiency in top editing software (e.g., Adobe Premiere Pro, Final Cut Pro, or DaVinci Resolve). Knowledge of motion graphics, sound design, and visual effects is a big plus. • Collaborative Energy: Open to feedback, willing to experiment, and able to bring new ideas to the table. • Consistency and Efficiency: Deliver polished content within agreed timelines while maintaining high-quality standards. If you’re someone who’s passionate about making every project...

...Additionally, we expect the freelancer to test the APIs where possible and provide suggestions on improvements or optimizations. The documentation should cover, but is not limited to, the following: frontend, backend, and admin APIs. Budget: 100 USD Deadline: Complete within 3 days Requirements: Organizing the API Documentation: Review and organize the existing backend API interfaces, ensuring all APIs are included in the documentation. Ensure the documentation contains all necessary details: request parameters, request paths, request methods (GET, POST, PUT, DELETE, etc.), request bodies, response bodies, example data, etc. Each API should have a clear description of its functionality, so developers can understand and use it quickly. Categorization: Categorize the AP...

I need assistance in debugging and deploying my application built in Bolt. The application deployment target is a Docker container. Key tasks include: - Supabase Setup: I need to connect the application to Supabase, add Supabase credentials to both .env files, and verify that the database tables are set up correctly. - OpenAI Integration: The task involves adding my OpenAI API key to both .env files and testing AI model generation and responses. - Third-Party Services: This is where I need the most help. You'll need to configure Confluence integration, set up Apollo integration and configure and any other necessary third-party services using provided credentials. - Testing & Validation: This includes testing authentication flows, verifying role-based ...

I'm looking for an ...database tailored to store web application data. The ideal candidate should be proficient in creating normalized tables and can incorporate specific features like user authentication and roles, data backup and recovery, and performance optimization. Specific requirements include: - Designing and implementing normalized tables to efficiently store and retrieve data. - Setting up user authentication and roles for secure access control. - Implementing robust data backup and recovery procedures. - Optimizing the database for peak performance. The ideal freelancer should have extensive experience with PostgreSQL and database design, preferably with a focus on web application data. Your expertise will greatly contribute to the efficiency and security o...

Hi there, Dutch is required. I'm looking for someone to help me collect email addresses from a list of 100 Dutch events or businesses. Project Details: Find websites and/or their Facebook pages/event pages. Gather email addresses from these sources. Accuracy is essential. Budget: 5 NZD Time: 2 days To Apply: Please start your bid with "5 NZD" and provide a few sample entries. Thank you,

We are developing a platform designed to optimize international transactions for businesses engaged in global trade. The platform will leverage advanced technologies to provide seamless solutions for managing operations, automating compliance, and facilitating secure exchanges. We are looking for skilled developers to create the core infrastructure and develop essential features to simplify global business transactions. We're looking for skilled developers to help us create the core infrastructure of the platform and develop key features to make international trade easier, faster, and more secure. Key Features: AI-Powered Tools: Machine learning algorithms to optimize logistics, predict market trends, and provide actionable data-driven insights for importers and expor...

...Internal Messaging (Email Box): Users can send messages to individual colleagues or broadcast messages to everyone. Threaded conversations or inbox-style interface to keep track of discussions. Instant Chat: Real-time chat feature for direct messages or group chats within the system. Option to upload attachments (images, PDFs, etc.) within chat. Business Card Updates: A place where users can store and update their business card/contact info in real time. Company-wide visibility of updated cards (optional privacy settings might be useful). Tasks & File Upload: Ability to create, assign, and track tasks. Attach or upload relevant files/documents to tasks. Option for task notifications and deadlines (via email or in-app alerts). 3. CRM (Customer Relat...

I'm looking for a skilled developer to code a Windows application for me using Javascript. The primary purpose of this application is data processing. Ideal Skills: - Proficient in JavaScript - Experienced in Windows application development - Skilled in coding - Background in data processing tasks

الصفحة الرئيسية: تحتوي على إحصائيات وبيانات سيتم تحديدها لاحقا الفروع: يمكن إضافة أكثر من فرع واحد لاستخدام هذا البرنامج مربع المسار: إنها مجموعة من الأسئلة. يتم تحديد...الجانب من التقييم وغيرها مربع الدردشة: في هذا المربع، يمكن للمستخدمين التواصل مع بعضهم البعض. من فضلك أعطني أفكارا بخصوص الدردشة... مهمة المسارات توضيحية فقط. أريد أن يكون المسؤول قادرا على إضافة السؤال وطريقة الإجابة، مثل رقم أو إجابات محدودة أو تاريخ (مهم). The price that is offered to me is the one that will be agreed upon. No amount will be provided. Please give me the price before starting or submitting the offer.

ESTIMATED TIME: 4-8 hours (you can also take longer) Your technical task is to create a simple calendar application from scratch. To reduce the implementation time, please make use of Angular Material and the Angular CDK (this is a MUST, don’t use any other libraries). Note, the styling of the application is not the most important. IMPORTANT: Please code this task in Angular ONLY. No React please. The calendar app should consist of: Form to add a calendar appointment Ability to delete the appointment Ability to move the appointment Use Date() to work with time/date Implement mouse Drag&Drop using Angular CDK Ngfor to render calendar dates and appointments (calendar view) IMPORTANT: Make sure you showcase your ability. Therefore its mandatory that you correctly...

I'm seeking a proficient PHP Codeigniter and OpenCart developer for my long-term project. The role involves: - Maintaining and fixing bugs in the current system - Developing new features to enhance performance and user experience One of the projects will need to work with adult cartoon content - you must be comfortable working with this type of content. Skills & Experience Required: - Strong PHP Codeigniter and OpenCart expertise - Good knowledge and experience with Mysql DB and SQL, particularly with intermediate operations like Joins and Subqueries - Good git skills for version control - Prior experience working with adult content is a plus - Ability to commit for long-term work - Good Javascript is advantage Your SQL skills should be at least at an intermed...

More details: Which gender do you prefer for the model? No preference What is the primary message or theme you want to convey in the ad? Event What type of event do you want the model to highlight? Workshops

Simple property dbase The simple terms is that this will have a database , a page where you can edit the record, And a page that you can display the records with filters and sorting column and a search box. Php design NO THIRD PARTY SCRIPTS or libraries that need updating. This script should last forever without ever needing any updates You will be paid once all source code has been verified to be functional and tested. You must be able to do this project now, not later. This will take you about 2-3 hours at the most and you will be paid $50 You can use an already developed script to make it faster if you want, and then just change certain parts to meet our criteria. No garbage code writers. Code must be NEAT in appearance and laid out to where it can be easily modified by an...

...silver, dark grays, or rich blues. Elegant, subtle tones that evoke luxury. Style: Modern, minimalist, and sophisticated. No overly intricate or busy designs. Clean lines, timeless appeal. Font: Preferably custom, high-end fonts that are elegant, but legible. Iconography (optional): We are open to abstract shapes, architectural elements, or monogram styles (initials). The design should feel exclusive and premium, avoiding anything too generic or corporate. What We Don’t Want: Anything too flashy or overly ornate. Designs that are too casual or corporate. No use of cheap or overly familiar symbols (e.g., house outlines or construction tools unless reimagined in a unique way). Additional Information: Our target audience inclu...

I'm looking for a developer to create an application that tracks and displays prices from both Telegram and WhatsApp. The main focus of this application will be monitoring exchange rates for various currencies and the operations of an exchange office. Key Features: - Regular updates: The app should update prices approximately every 15 minutes, from 11 a.m. to 11 p.m. - User registration: There should be a section for user registration. - Support: Include communication and support methods within the app. This application offers multilingual support, including Persian (Farsi) , Kurdish Sorani , Arabic , and Turkish. Ideal Skills and Experience: - Proficiency in application development for both Telegram and WhatsApp platforms. - Experience with real-time d...

I'm seeking a modern-styled logo for my company that incorporates the imagery of '777' or 'Triple 7'. The color scheme should be muted and neutral, avoiding bright or overly vibrant colors. Key Requirements: - Design a sleek, modern logo - Integrate '777' or 'Triple 7' into the design - Use a muted and neutral color palette Ideal Skills: - Graphic Design - Logo Design - Branding

Hi, i want to have someone who his an expert with Home Assistant () Is like to equip several stores with the right sensoring and other ways to measure and monitor data points, such as energy consumption, customer counter, security camera footage, etc For this to happen, I want a home a...measure and monitor data points, such as energy consumption, customer counter, security camera footage, etc For this to happen, I want a home assistant dashboard for each location and the right sensoring and other IoT measures in place to make this happen. Firstly. The plan is to equip one store as a test case. If this works well, we will expand to 50 stores and 2 offices. So, potentially a very big and lucrative project if you have the skills to create something cool from the ground up with u...

hi, i want install esxi 7.03 r 8.0.2 on Dell Vostro. the network adapter cannot be found. please help to solve

I am encountering several issues with my augmented reality mobile app developed with the ARKit framework. The app features object tracking and plane detection, but has ...realtime space. The app should be able to geolocate with precision up to 3 meters. I need an experienced iOS developer with a strong background in augmented reality and extensive experience working with ARKit. The ideal candidate will have a proven track record of developing and debugging AR applications that geolocate using Google's Map API. Please note, I am only interested in working with iOS developers directly. I can provide a project brief and will reply only if you have experience with Apple's ARKit. I am attaching a document brief with videos showing the app issues as well as the original sou...

Procurement jobe receiving RFQ finding as per RFQ product local and international market make compression then selected offer submit to client etc.

I am looking for a full stack developer to help finish and clean up my SaaS project: Functionality bug fixes. The tech stack includes PHP, Laravel, and Codeigniter. Ideal Candidate: - Extensive experience in PHP, Laravel, Codeigniter & Payment Processing APIs. - Proven track record in full stack development and SaaS project completion. - Strong troubleshooting skills to identify and resolve bugs efficiently. U.S. developers only please. I'm not offshoring this work. Freelancers only. No companies will be considered. Must provide at least two contactable references with whom I can speak with regarding your work ethic, your work quality and your references can verify your experience in the two mentioned languages. No client/employer references then no consi...

I am looking for an experienced developer or team to build a platform for creating e-commerce stores similar to Shopify (), Zid (), and Salla (), using PHP Laravel. This platform should allow users to easily create, manage, and customize their own online stores. The focus is on developing a platform that others can use to build their own e-commerce stores, similar to how Shopify, Zid, and Salla operate, not a single store for myself. Required Features: Store Creation: User-friendly tools to allow users to easily create and customize their own online stores, similar to Shopify's, Zid's, and Salla's store creation processes. Product Management: A system for adding, editing, and managing products, inventory, and categories. Multiple Payment Gateways: Integration with

...seasoned Roblox developer with extensive technical experience and some project leadership background. I have a proposal for a Roblox experience but lack the technical know-how to assess its feasibility. Key Tasks: - Evaluate the technical feasibility of my proposal - Provide a comprehensive strategy for implementation - Estimate costs accurately - Discuss compensation for technical lead and developers I aim to have an initial discussion, about an hour long, during US Central time business hours. This will help me decide whether to move forward with the project. English fluency is a must. The proposal includes various aspects of the Roblox experience such as game mechanics, user interface design, and the in-game economy. If Roblox employs any form of object orientation, most ...

I need a professional Excel expert with str...Incorporate real-time data updates into the spreadsheet - Implement advanced charting and visualization techniques - Design automated trading signals within the spreadsheet Ideal Skills: - Excel: Advanced spreadsheet creation and optimization - Macros and VBA: Proven experience in automating tasks and enhancing workflow - Python: Familiarity with Python for data analysis and Excel integration would be a big plus. Payment: - The designer will be compensated on a daily basis, with payment based on the number of days worked. Your expertise will be instrumental in helping me make sense of trading data and automate parts of the analysis process. Please provide examples of similar projects you've worked on, particularly those involvin...

Need customization programming for Acumatica ERP. I have many small projects lined up. You should be able to work with RDP or Anydesk. If you never worked with Acumatica DO NOT BID. I'm gonna report your profile.

I need a modern interpretation of my gynaecology practice logo applied across several mediums. The design should be in line with modern aesthetics and utilizing the same color scheme as the logo. Key tasks include: - Applying the logo and design elements onto a business card, an envelope, a stamp, a letterhead, and a notebook. - Designing a billboard with a picture related to the medical profession, e.g. a happy woman with a newborn baby. - Mocking up the logo placement on a reception area to visualise how it blends with the space design. Ideal candidates for this project should have: - Extensive experience in graphic design, particularly in applying logos and visual identities across different mediums. - A strong portfolio of modern design aesthetic. - Ability to provide mockups and vi...

We need a developer to work on: -Nextjs front end using ReactJS -Python and Typescript based backend -Mobile Application Development It's important that the work is high quality and well documented.

Requirements for SaaS Multi-Role Platform in Java Vaadin with Plain Java Components 1. General Requirements: Technology Stack: The platform must be developed exclusively in plain Java using Vaadin. No Spring Boot or similar frameworks should be used. External libraries or third-party APIs should be avoided as much as possible. All features and functionality should be implemented natively to maintain full control over the system. Only browser-native elements like scrollbars (CSS/HTML) may utilize non-Java approaches. Modern Design: The platform should follow modern UI/UX principles, with responsive layouts and optimal performance. Progressive Web App (PWA): Full PWA support, including offline capabilities, installability, and device responsiveness. Scalability: The platform m...

Looking for an English Skilled Project man...establish his own business when he ready. 2. Perfect Native English skills : The candidate has to have a video meeting with me, and if he more skilled in English than me, I will welcome, but don't worry, if I think you are a candidate for my position, I can be a looser for you. 3. Clever, Skilled in usage of google or chatgpt. I will ask anything to the candidate and will choose if he answer them seamlessly and fast. 4. Management skills which can address some tasks with developers. What I will offer to the candidate: high hourly budget interview. Training with get paid. High Bonus when success in the interview. I need a project manager Show less Industry Software, Engineering, Marketing & advertising Budget $5,000 T...

I am interested in developing an IPTV application named "Flixy," inspired by RelaxPlay (). The application aims to provide a comprehensive entertainment experience with the following key features: 1. Live TV Streaming, Video on Demand (VOD), and Electronic Program Guide (EPG): Support for live TV channels. A vast library of on-demand content. An electronic program guide for scheduling content. 2. Multi-Platform Support: Seamless functionality across Android, iOS, and Smart TVs. 3. Subscription and Payment Integration: A flexible subscription system with secure payment gateways for in-app purchases. 4. Trailer Integration: The ability to display trailers for available content, offering users a preview. 5. Smart Subtitles: Integration of dynamic, online su...

...user-friendly to visitors, while retaining my own style. Also, I have a new big project (a special NFT collection with a donation for a cause...) and I need advices to know if I should include it into my actual website or rather present it on a blog or something else apart. - Social Media Profiles: I want assistance with optimizing my social media profiles, possibly creating a more professional and cohesive image across platforms. I also need advices for dealing with bad critics or haters (because it's something I'm afraid about and that's why I don't use social medias... which is a mistake and refrain my visibility). - My public image: I need advices about dealing with my identity : reveal my real name or at the opposite de...

I'm in need of an Amazon Sourcing Expert who can assist me in finding products from local big box stores like Walmart, Target, etc for my Amazon dropshipping business. The aim is to find profitable but FAST MOVING items to sell. If you have done this before and are familiar with the tools used to achieve success, feel free to bid!

Machine Learning Generative Models Question 1 - Generative models In the following exercise, you will deal with a generative learning problem, precisely, VAE and GAN. You should write your training code and meet the following constraints. In this exercise, you will create a generative model: choose VAE or GAN implement and train your model: The decoder/generator should get as input a vector from the latent space and produce an image. For convolutions that upscale the input’s spatial size (for the decoder/generator), use . Output visualization: Generate images from your model and visualize its latent spaces. You can compare different architectures for this purpose (e.g., low/high dimension of the latent spaces, etc.). Dataset: You will use the 102 Category Flower Dataset

I'm seeking an experienced developer in CodeIgniter 4 or Laravel 11 to build a comprehensive project management system. This is a management system with a core focus on project oversight, and the system needs to include robust reporting and analytics capabilities. Key Requirements: - Proficiency in CodeIgniter 4 or Laravel 11 - Experience in developing management systems, particularly project management systems - Ability to integrate advanced reporting and analytics features Ideal Skills: - Task tracking implementation - Resource allocation optimization - Proficient in creating intuitive and user-friendly interfaces

I'm seeking a graphic designer to create the layout for the front and back cover of my fictional fantasy adventure story. The main elements of the cover art and title are provided, so the layout and design is the main task. Requirements: - Proficient in Adobe or Affinity, with the ability to provide the final output in these formats. - Experience in designing book covers, particularly in the fantasy genre. - 300dpi or greater CMYK format with file outputs in BOTH layered file format (Adobe .psd etc or Affinity .af) AND either .jpg or .pdf for quick viewing. - The file named Title-1 must be traced into a vector format so it can be resized, and be at the top of the page. - The page size file is also provided and the final output must match this size and layo...

...least 5 developers for java capable of working with Java and Vaadin. Ideally, you already have a pre-built Java Vaadin platform that can be extended, as our goal is to save time and launch quickly. In addition, parts of the solution must support Progressive Web App (PWA) capabilities. We look forward to hearing from you! Key Requirements: Java & Vaadin Expertise Proven experience with Vaadin framework (preferably with existing reusable components or a pre-built platform). Strong understanding of Java (including Java 8+ features and best practices). PWA Readiness Ability to integrate or develop Progressive Web App features for designated parts of the platform. Offline capabilities, push notifications, and other PWA functionalities where applicable. Time Effic...

...programmer to develop an automated design tool based on CAD or GIS. The primary function of this tool will be to design polylines efficiently and accurately. Key Points: Platform requirements: The tool must be developed for CAD or GIS environments (e.g., AutoCAD, QGIS, ArcGIS, etc.). Core functionality: The tool must enable automated polyline design based on existing data. Data analysis: The tool must be able to recognize and process existing data (e.g., coordinates, maps, or input files) to generate polyline designs. Configurable parameters: The tool should allow user-configurable parameters such as tolerances, scales, line styles, etc. Ideal Skills and Experience: Proven experience in programming for CAD or GIS. Advanced know...

...different screen sizes. Maintain knowledge of current design trends and best practices to ensure modern, appealing designs. Deliver final logo files in appropriate formats (AI, PNG, JPG, SVG, etc.) for use across digital and print mediums. Collaborate with web developers to ensure seamless integration of the logo into the Shopify platform. Requirements: Proven experience in graphic design, particularly logo creation. Strong portfolio showcasing previous logo design work. Proficiency in Adobe Creative Suite (Illustrator, Photoshop, etc.) or other design software. Familiarity with Shopify store design and web-based design tools. Excellent communication skills and ability to work collaboratively in a team environment. Strong attention to detail and ability to handle multiple...

Automate Your Adobe Wor...precision. Whether you need to streamline repetitive tasks, integrate external tools (Excel, Word, etc.), or create a fully-featured automation with a user-friendly interface, Ive got you covered. My scripts save time, reduce errors, and boost efficiency. Each solution is tailored to your specific needs, with fast delivery, clear documentation, and professional support. Lets simplify your workflow and take your productivity to the next level! Every solution is custom-built to your requirements. If you record a video showing the tasks you want to automate, I can create an application that replicates those actions hundreds of times with precision. Please also share any additional files or applications required for the process so I can deliver t...

I require assistance with modifying banners on my WordPress site and some parts of the attorneys section. Please review the attached files for details. My budget for this task is $10. Key Tasks: - Change WordPress site banners as per attached files - Edit parts of the attorneys section - If unable to edit, provide a demonstration so I can do it myself Ideal Skills: - Proficiency in WordPress - Experience with website banner editing - Good communication skills for teaching Tools: - Anydesk for real-time assistance Please note, I am open to learning but would prefer a more hands-on approach where you demonstrate the changes to me.

...dashboards for managing communications for each business. 2. Call Handling: • Ability to receive calls. • Automatic call routing to the correct business. • Option to record calls for quality purposes. • Forward calls to another number or handle them in-app. 3. Text Messaging: • Send and receive SMS and MMS through Twilio. • Automate responses with predefined templates or AI-driven responses. • Chat-style interface for texting with clients. 4. Client Management: • Integrated CRM to store client details and communication history. • Tagging, grouping, or categorizing clients by business. 5. Analytics Dashboard: • Insights on call durations, SMS response rates, and client engagement per business. • Re...

I'm looking to create a low-cost, high-efficiency dropshipping store on Shopify, specializing in clothing. The store needs to be user-friendly and incorporate several critical features:...should be easy to navigate and integrated smoothly into the overall design of the site. - Email Marketing Integration: I need the store to be ready for email marketing campaigns. This includes having a system in place for collecting email addresses, as well as ensuring the site is compatible with popular email marketing platforms. Ideal candidates for this project would be experienced Shopify developers with a solid understanding of dropshipping. A background in e-commerce, particularly in the clothing sector, would be a significant advantage. Please provide examples of your previous work in...

I'm seeking an expert in web application development with a strong focus on e-commerce sites. The project involves creating a dynamic, user-friendly e-commerce web application with the following key features: - Shopping Cart: An intuitive and seamless shopping cart experience for users. - Payment Gateway Integration: Secure and efficient integration with reliable payment gateways for hassle-free transactions. - Product Search and Filters: Advanced product search capabilities and filters to enhance user experience and accessibility. The ideal candidate should have extensive experience in developing e-commerce web applications, with a strong understanding of the necessary features and user expectations. A portfolio showcasing similar projects would be highly advantageous...

I'm looking for an Odoo expert to implement Odoo ERP tailored for my conference planning business. This will involve customizing the system to meet specific business needs, including creating a few custom fields. Key Areas of Focus: - Odoo modules: Primarily Events and Subscriptions. - Customization: Development of a few custom fields to suit our business operations. - Conference Management: The system should incorporate a robust registration system. Ideal Skills and Experience: - Proven expertise in Odoo ERP implementation. - Prior experience with Odoo's Events and Subscriptions modules. - Strong understanding of conference management systems. - Excellent skills in system customization. - Ability to create and implement custom fields in Odoo.

I want to create a web application that I will use for online training sessions with my clients. Here are the specifications and required functionalities for the application: --- **Guidelines for Developing a Web Application (Condensed Version)** 1. **User Accounts** - Registration and login with different access levels (trainers, clients, administrators). 2. **Personalized Profiles** - Entry and updating of personal information, photos, short bios, and preferences. 3. **Communication** - Chat system with notifications, potentially including group conversations. 4. **Training Program Management** - Creation, review, and updating of training plans; tracking client progress. 5. **Scheduling and Calendar** - Appointment entries, reminders, ...

Enhance SQL Server trigger on the UserProfile table to correctly handle scenarios where RoleId changes for a given UserId (via UI or direct query) and log them appropriately in the UserProfileHistory table.