Programmer sms knowledge jobs

I am searching for an experienced programmer with skills in vb.net or LabVIEW, or Labwindows. Your task will comprise the development of a CanOpen protocol program making use of an IXXAT USB-CAN Converter. It run on windows 2000 operating system Key Responsibilities: - Develop a program using VB.Net/LabVIEW/Labwindows, capable of implementing the CanOpen protocol - Program must be able to read and write data to the IXXAT USB to CAN converter - The software should control devices using the CanOpen protocol Ideal Skills: - Proficiency in VB.Net, LabVIEW, and Labwindows - Advanced understanding of CanOpen protocol - Experience with IXXAT Converters It's essential that the chosen candidate guide me through the installation and testing process until we have a successful operati...

Dear Sir! I am looking for a C# programmer who can change the strategy in a automated trading system for ATAS. The old and the new strategy is only one indicator. Also I would like that you check the rest of the programming if it is programmed in a right way. The maximum price is € 50. Yours sincerely, Thomas Riedl

I'm seeking a proficient programmer with considerable experience using Tradestation and a solid understanding of the Easylanguage coding. The key objective of this project is to code an indicator from a given set of rules, the freelancer must be able to: - Code the Larry Williams "WillStop" indicator (Rules can be supplied if necessary) - Developer MUST posess their own Tradestation software and license. - Source code must be accessabile for me. An ideal candidate would be someone with profound knowledge of Easylanguage / Powerlanguage. Past involvement with Larry Williams - WillStop would be a bonus.

I am looking for a Laravel programmer with experience in Filament. The primary purpose of this project is to modify or extend an existing application. Key Requirements: - Expertise in Laravel: Proficiency in Laravel is a must. You should have a solid understanding of its structure, components, and best practices. - Experience with Filament: Knowledge of Filament is crucial. You should be able to navigate its features and effectively integrate it within the existing application. The ideal candidate should be able to enhance the existing application with new features, improve user experience, and ensure a seamless, bug-free operation. You should be able to understand the existing codebase and work collaboratively to deliver the required modifications. Decent communication sk...

Seeking a skilled programmer adept in WordPress for custom coding work and form layout adjustments. Requires proficiency in backend management, specifically relating to data capture, viewing, and exporting in Excel format. A highlight of the project entails the customization of our existing WordPress theme and the integration of new, unspecified features. Lack of detailed request emphasizes the need for a freelancer capable of intuitive problem solving. Primary tasks include: - WordPress custom coding - PDF form adjustments - Data capture and export to Excel Ideal candidate should have knowledge and experience in custom coding, WordPress navigation, and form data handling. Exceptional problem-solving skills are highly appreciated. Undefined project elements call for a creat...

...**Key Integrations:** - **Messaging Platforms:** WhatsApp, Facebook Messenger, email, and SMS. Additionally, PBX system integration is required to bridge our voice call capabilities with digital communication channels. - **Features:** Essential features we're looking for include: - **File Sharing:** Ability to share documents, images, and videos across all channels. - **Chat History:** Seamless access to previous conversations for context and continuity in customer support. - **Chatbot Integration:** Capability to integrate AI chatbots for automated responses and assistance. **Ideal Skills and Experience:** - Experience with API integration for WhatsApp, Facebook Messenger, email, SMS, and PBX systems. - Proficient in developing chat platforms with fun...

I'm seeking a skilled programmer to work on a project involving a TNC-G22 2-Axes Motion Controller. The system will be responsible for controlling a total of 10 motors in a sequence, which includes stepper motors. Key Requirements: - Expertise in TNC-G22 Programming: In-depth knowledge of the TNC-G22 system is crucial for this role. - Experience with Multi-Motor Control: The ability to program and control 10 motors in a synchronized manner is a must.

I'm in need of a software programmer who is proficient in Python, Java, and C++ to develop a small-scale software program primarily aimed at automating a specific task. The task itself is relatively simple, but the automation of it is critical to increase efficiency. Key aspects of the project: - The software program must be designed to automate a specific task. It's crucial that the programmer fully understands the task at hand to ensure a seamless integration of automation. - The scope of the project is small-scale, so the focus is on developing a functional, efficient automation solution. - Proficiency in Python, Java, and C++ is non-negotiable. The software is expected to be developed using these languages. Ideal skills and experience: - Proficiency in Pytho...

I'm looking for an expert programmer proficient in Node, The bot was created to scrape coins from my Telegram group via API integration but currently, it isn't purchasing as expected. Specifically, I'd require someone who could: - Identify and fix the issues that prevent it from purchasing and selling the scraped coins. - Make sure the bot interacts properly with the Latoken cryptocurrency exchange. This task would suit someone with a strong background in bot programming, API operations, web scraping, and experience dealing with cryptocurrency exchanges, particularly Latoken. Knowledge of crypto trading bots' operational peculiarities would be a major plus. Your task would be to get it back to working condition, ensuring all functions operate as they sh...

I'm looking for an expert programmer proficient in Node, The bot was created to scrape coins from my Telegram group via API integration but currently, it isn't purchasing as expected. Specifically, I'd require someone who could: - Identify and fix the issues that prevent it from purchasing and selling the scraped coins. - Make sure the bot interacts properly with the Latoken cryptocurrency exchange. This task would suit someone with a strong background in bot programming, API operations, web scraping, and experience dealing with cryptocurrency exchanges, particularly Latoken. Knowledge of crypto trading bots' operational peculiarities would be a major plus. Your task would be to get it back to working condition, ensuring all functions operate as they sh...

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I'm looking for a proficient programmer or web developer with experience in creating Chrome extensions for social media platforms. The main requirement is to generate tailored content for Instagram. - You should create a Chrome extension with the following features: - Template-based content generation: It should support text templates and also have the capability to overlay different texts over one video. - Text overlays: This feature is to add text over images or videos. - Mass production/download: This tool should generate content in bulk and allow for mass downloads. The ideal candidate for this project would have a strong command over JavaScript (for Chrome extension development) and experience dealing with various social media APIs. A strong understanding of content ...

I'm looking for a proficient Matlab programmer with expertise in chemical engineering simulations to develop a comprehensive model for a Plug Flow Reactor (PFR). My goal is to analyze the conversion of reactants, product yield, and overall reactor efficiency, focusing on temperature and pressure as critical parameters. Key Project Deliverables: - Establish the PFR model in Matlab. - Integrate temperature and pressure variables using 2-D pseudo homogeneous model. - Calculate reactant conversion, yield, and efficiency. Ideal Candidate: - Proficient in Matlab coding. - Solid background in chemical engineering, specifically reactor design and modeling. - Understanding of PFR kinetics and mass-energy balances. - Ability to interpret simulation results for optimization. I am eage...

I'm in need of a skilled programmer experienced in C++ languages. The primary aim is to effortlessly convert simple Python code into its C++ equivalent. Ensuring to maintain specific functionalities such as: - Data Visualization: This functionality must be retained during the conversion process. The C++ code must facilitate the graphical representation of data as efficiently as the initial Pine script. - Algorithmic Operations: The output C++ code should continue to perform certain algorithmic operations, similar to the Pine script. Ideal candidates should have previous experience in similar projects and a strong understanding of both Pine and C++. Excellence in this task may lead to potential future collaborations. This is a great opportunity for candidates looking to bu...

Company Overview: We are a dynamic and rapidly growing company based in Vancouver, British Columbia. Our culture is built on innovation, respect, integrity, and a continuous quest for excellence. We are on the lookout for a commitment to leveraging Zoho CRM and Zoho Campaigns to enhance our operations and customer engagement. Position Summary: We are seeking a dedicated Zoho CR...and campaign buildouts. Please elaborate as with as much detail as possible 2. If you’re available for 5-10 hrs a month to upgrade our Zoho functionality and do campaign buildouts as needed. 3. If you have the expertise to review our Zoho processes and provide guidance as to ways to improve and better leverage Zoho CRM and Zoho Campaigns as a tool (dashboards, workflows, integrations, email and SMS...

The app is supposed to: - Search for specific product and add it in the cart with all needed information: delivery location, accessories, quantity. (Example: HP laptop with 14in size) - Compare the product price and service quality in the platforms and give results of the comparison. ( example: price in Amazon for the laptop is 1000$, delivery time is 3 days, the reviews are 4 star. Same for other platforms) - Direct the user to the selected platform to complete the purchase. (Example: to purchase the laptop from Amazon)

We are looking for a partner for most of the skills you list in your profile. Our website for Granite South needs to be remade and our Affinity Stoneworks needs to be updated. We will also need SEO and brand development for the two sites. We are also looking for a programmer that can take our Pipe Drive account and use the API Key to link it to our ERP system. Thanks much Brad Rush I look forward to hearing from you.

I'm on the lookout for a proficient programmer in RPGLE (RPG IBM Series). The project has no strict deadline. I'm looking for a skilled professional with prior experience in RPGLE and game development. Please share your relevant experience and previous projects.

I’m looking for an experienced programmer who can create an automation script for a website. Key Requirements: - Automation Tasks: Your main job would be to automate various tasks on a website. This could involve anything from data entry to form submissions, and possibly content scraping. The specific tasks will be shared with you in detail. - Python Expertise: Given the nature of this task, your proficiency in Python is a must. If you have experience with automating websites using Python, that would be a huge plus. - Experience: Your application should showcase your relevant experiences and past projects. I’m looking for someone who has a proven track record in this field. Please include relevant examples of your past work in your application. Looking forward to heari...

Hello, I am looking for a programmer with expertise in the Twitter API and JavaScript for Google Sheets. I require assistance in setting up the Twitter API and need a custom script written for Google Sheets. Here are the specific requirements for the project: Project Objectives: 1. Script Functionality: - Automatically fetch Arabic text from a specified Twitter account and insert it into Column B of a Google Sheet, starting from Row 2. - Retrieve and insert links for images and videos associated with the tweets into Columns C, D, E, and F respectively. 2. Automation and Updates: - The data retrieval process should be automatic and occur in real-time, ensuring the Google Sheets document is updated continuously, irrespective of whether it is currently open. - Include fu...

I am seeking an expert Python programmer to realize a multi-objective optimization project I'm currently organizing. The specific problem involves optimizing the area and distance between points, in the context of a more complex scenario. Precision and efficiency are critical in this task. A freelancer should have: • Proficient knowledge of optimization problems, specifically in mathematical models like area and distance between points. • Relevant Python programming skills, preferably at an expert level. • Familiarity with collaborative tools and version control systems such as Git. • If you are familiar with geopandas then do mention this. Send a detailed proposal outlining: • Your understanding of the problem. • Proposed solution and me...

I am in need of a talented programmer to assist me in building a casino website. The site will feature two main games: Coinflip and Crash. Key Features: - Coinflip: A simple, yet engaging game where users can bet on a coin toss outcome. - Crash: An exciting game where users bet on a multiplier before it "crashes", similar to popular gambling games. Payment Integration: - I'd like the website to support Credit/Debit cards, Cryptocurrencies, and E-wallets for a seamless user experience. User Account Functionalities: - The website should offer user registration and login options, as well as an account balance tracking feature. Ideal Skills and Experience: - Proficiency in web development, particularly in building interactive and secure gambling websites. - Experie...

As a client, I require the expertise of a Python programmer who's adept at scripting. The centerpiece of the project is to write an algorithm for stereo vision and pose estimation. Notably, OpenCV will be the preferred library for this task due to its robust array of features. ArUco markers are being used as objects for calibration. Requirements: - Experience in Python scripting - Ability to write an algorithm for stereo vision and pose estimation - Proficiency with OpenCV Your relevant portfolio that illustrates your competency in the above tasks will be highly appreciated.

I'm in need of a skilled programmer to help me resolve some existing bugs in my Oracle 12 software.

I am looking for a C programmer to develop a simple keylogger detector specifically for Windows and Linux operating systems. The primary use of this tool will be on my personal computer. Key Features and Tasks: - The detector should be capable of detecting and alerting keyloggers' presence on the computer. - The detector can have minimal ui. - the detector can only have manula scanning. Ideal Candidate: - Knowledgable in C programming with significant experience in system security programming. - Familiarity with keylogger behaviors and effective detection methods. - Prior experience in developing security software for Windows and Linux operating systems. The end goal of this project is to ensure my personal computer is fairly safe from keyloggers. Looking forward to worki...

The urgent need of a skilled programmer specialized in Java, JavaScript, and PL-SQL, as well as familiar with Oracle Database, PL-SQL Developer, Oracle SQL Developer, Eclipse. The project involves writing comprehensive tests for a range of technologies including: - Java and JavaScript. - Spring Framework. - Oracle Database. - XML and JSON. - Junit. - Eclipse/Intellij. - PL-SQL Developer. - Utilizing Github and other version control tools. The ideal candidate must have a deep understanding and practical experience with these technologies. The project has an urgent timeline, so the selected candidate must be able to work under pressure and deliver high-quality results quickly. Ideal Skills: - Proficient in Java, Spring Framework, Oracle, XML, JSON, Junit, and JavaScript. - Experie...

I need a Flutter developer for a website, I want you to create an automation website that generates ( SMS iPhone videos ) the website is gonna be like this 1- there is an empty SMS template 2- the user adds the text in every part ( sender - receiver ) 3- click okay and the website generates the video 4- the video has to be like that ( one message at a time, voice over for every message, background video game ) here is an example of what I want exactly: @

...Responsibilities: Implement a feature to reset login credentials for both admin and user accounts. Ensure all pages of the site are fully functional and debug any issues. Integrate and test the payment gateway to ensure smooth transactions. Develop a robust chat system that allows users to communicate effectively within the site. Set up and troubleshoot an SMS notification system using the Twilio API. Create a feature for sending contact verifications via SMS, with automatic data storage in both admin panel and user dashboard upon login and verification. Enhance site security to protect user data and prevent unauthorized access. Embed video content from Vimeo in a way that conceals the source from users. Display text lessons clearly and ensure all content is accessible. A...

I'm seeking an experienced, talented programmer fluent in Angular and Node JS for the creation of a medium-interaction web application. Essentially, the project revolves around the development of an e-commerce platform. The requirements are as follows: - Expertise in Angular and Node JS, with a strong understanding of e-commerce web application development - Familiarity with e-commerce platforms, and a solid grasp on medium user interaction requirements - Experience in creating user-friendly and highly efficient online shopping platforms Overall, the candidate's role is to ensure an engaging yet smooth e-commerce experience for the end users. The ability to problem-solve, think creatively and communicate effectively are also important for this project.

I am looking for developer to create dating mobile app using capacitor js with javascript only no framework and Laravel API in backend . Features Register/Login using mobile - sms otp Enter profile details - city, gender, profession, interests Match Making to explore users Send/Accept chat request Messages/Chat/Conversation - using websocket/laravel reverb Audio call

I am in need of an experienced programmer located in Singapore who is skilled in Moodle/Chamilo, LMS and PHP. My primary goal is to establish an e-learning platform that efficiently provides educational content. The requirement to fulfill this project includes: 1. Building a comprehensive e-Learning LMS Platform: This task involves building and managing complex e-Learning systems. Skills and Experience - Proficient in Moodle/Chamilo, LMS and PHP: I need someone who can navigate these systems seamlessly and proficiently implement them. - Experienced in e-Learning platforms: Prior work on similar projects would be a big plus. This would ensure you understand the nuts and bolts of what we're trying to achieve. - Capable of working independently, demonstrating a high level of i...

I require an experienced tutor who can help me both maintain and make adjustments to the Asana, Zapier, SMS and Email automations currently in use within my business. Your responsibilities will include: Asana Adjustments: - Setting up new integrations as necessary - Advancing current workflow for better productivity - Automating tasks to streamline processes Zapier Adjustments: - Configuring new integration setups - Enhancing the existing workflow - Trouble shooting any automation issues Ideal skills: - Proficiency with both Asana and Zapier applications - Experience with SMS and Email automations - Strong problem-solving abilities - Excellent teacher with the ability to breakdown complex concepts.

I am looking for a Python programmer with a math background (statistics) who can help calculate the optimal strategy and house edge for various permutations of a casino card game similar to blackjack.

I'm in need of an experienced developer to create a web application that will be capable of sending bulk messages through both text and WhatsApp. The primary function of the application will be to send bulk messages, so I'm looking for someone with a strong background in this area. Bulk Messaging Capability: Develop a feature to send bulk messages to both SMS and WhatsApp using the Twilio API. Web Application: Create a user-friendly web-based application connected to the my Twilio account for sending messages. Two-Way Communication: Implement functionality for two-way conversations with recipients. Target Audience: All target numbers belong to the USA. Bulk Message Definition: I've like 5k number's which I want to target. Twilio Number Checker: Develop a fe...

I'm seeking a highly skilled programmer proficient in Excel macros and ODBC data connections to automate critical processes in my business. Specifically, your tasks will involve: - Automating order tracking, inventory management, and vendor communication processes. - Connecting to Excel files, SQL databases, and CSV files using ODBC. - Developing an automated procurement system capable of: - Generating purchase requisitions, - Aiding in vendor selection and negotiation, - Creating and tracking purchase orders. Proficiency in utilizing Excel macros is a must, and experience with ODBC data connections and related platforms is highly desirable. Knowledge of procurement systems and order logistics would be beneficial. Successful completion of this project requires s...

I am looking for a skilled programmer with experience in Odoo and Python to help me implement specific modules within the Odoo platform for a comprehensive ERP system. Your responsibilities will include: - Implementing features related to Sales and Purchase, Human Resources, Project Management, and Pre/After Calculations - Ensuring the modules are seamlessly integrated with one another - Customizing the modules to meet our business needs Ideal candidate will have: - Proven experience with Odoo and Python programming - A strong understanding of ERP systems and business processes - Ability to effectively communicate and collaborate with the team Please include samples of previous Odoo projects you have worked on, along with your proposal.

...aspects: - **GSM Man-in-the-Middle (MITM):** The project also involves GSM man-in-the-middle functionality. This includes capabilities such as intercepting and analyzing GSM communications, modifying GSM network traffic, and manipulating GSM network authentication. Ideal Skills and Experience: - Proven experience with openbsc, osmocombb, and openbts GSM. - In-depth knowledge of GSM network setups, including voice calls, SMS, and base station capabilities. - Proficiency in network monitoring and analysis tools. - Previous experience with GSM man-in-the-middle implementations. - Excellent problem-solving skills to address any performance requirements that may arise during the project. Please provide examples of similar projects you've worked on in the past, especial...

1) Amazon Cloud Server: The ecommerce website will be hosted on Amazon Web Services (AWS) servers, providing a scalable and reliable infrastructure. 2) Arabic Website: The website will be in the Arabic language, including Arabic text, and may include right-t...Implementation of access control to restrict or allow access to the website based on specified countries. This can include both blacklisting and whitelisting. 7). Support Google/Meta/Snapchat/TikTok Pixels: Integration with various tracking pixels (Google, Meta/Facebook, Snapchat, TikTok) for marketing and analytics purposes. 8). Support WhatsApp Messages or SMS After Purchase: Enabling communication with customers through WhatsApp messages or SMS after they complete a purchase. 9). Express Checkout Form. 10). Integrati...

I am seeking an experienced developer to create a two-way SMS app that is compatible with iOS and web-based platforms. The app should enable users to: - Send and receive SMS messages - Manage contacts - View message history Moreover, I'd like the following features integrated: - Push notifications - Message search functionality - Support for attachments Proficiency in iOS and web development, experience with SMS-based applications, and understanding of push notifications, search functionality and attachment support are crucial for this project. Your insight and suggestions to optimize the user experience would be highly appreciated. similar to

...specialist with proven experience in handling multi-level marketing (MLM) databases, as well as knowledge of Dolibarr ERP. We need someone who can understand the complex terms associated with MLM compensation plans and create effective SQL queries to extract the necessary data, as well as integrate with Dolibarr ERP systems. Responsibilities: Develop advanced SQL queries to extract data from MLM databases. Understand and apply concepts of MLM compensation plans. Collaborate closely with the team to understand project requirements and goals. Integrate SQL solutions with Dolibarr ERP systems. Optimize query performance and ensure data integrity. Requirements: Demonstrable experience in SQL and PHP. Deep knowledge of relational databases and experience in query optimizatio...

I am in need of a proficient programmer with expertise in Python, Java, and JavaScript. The main goal of this project is to develop a mobile app pertaining to social networking. The perfect fit for this project will have the following expertise and experience: - Proficiency in Python, Java, and JavaScript - Extensive experience in mobile app development - Knowledge of the architectures, trends, and emerging technologies of social networking apps - Experience in building mobile apps with superb user experience and interface design The ultimate goal is creating a unique, user-friendly, interactive, and impressive social networking mobile app.

...access the device's contact lists. Now the user can create a new thread. In this he enters the following information: - Message part 1 (public) - Message part 2 (not public) - Recipient - Date The recipient (from the existing contacts, or an individual entry, e.g. telephone number or email) then receives a message via internal private messaging (if the recipient is also logged in to the app), SMS or, if known, via email. If the notification is sent via email, it will be as follows: --- START OF THE MAIL --- You have received a new message from XY, you cannot open the second part of the message until {date}. {personal message part 1 from XY} [BUTTON TO MESSAGE] [LINK TO MESSAGE] (here the recipient is redirected to a page with further information about the message part...

I'm looking for a skilled programmer who can help me commission an Allen Bradley PLC for hydraulic tire presses. The service engineer would be responsible for: - Compliance with the programming of the PLC and ensure control devices have proper function. - Working with other engineering disciplines (Electrical and Mechanical) to deliver a successful project. - Compliance with all health and safety, quality assurance and all other company policies and procedures. - Commissioning PLC controls, carrying out I/O checks, motion checks and support troubleshooting. - Reporting progress and accomplishments each day. The system should have: - Data Logging: Ability to record and store data for further analysis and monitoring. - Fault Detection and Diagnosis: Ability to identify issues ...

I am in need of a skilled PHP programmer to address an "undefined variable" error within my user authentication system. The system primarily relies on email and password authentication. Key Requirements: - The error lies within the user authentication system - The primary method of user authentication in the system is email and password Ideal Skills and Experience: - Proficiency in PHP, SQL - Experience with user authentication systems - Familiarity with handling undefined variable errors - Understanding of secure email and password authentication Your task is to identify the root cause of this error and implement a solution to rectify it. Please provide specific examples of similar work you have done in the past.

...multiple nested conditions. Alongside these, the system will need to smoothly integrate with a web service – this is where the custom alerts should be streamed and monitored. It is also essential that users can receive alerts in various forms, namely email notifications, SMS notifications, and web notifications. Ideal Skills & Experience: - Proficiency in Grafana and its API. - Past experience in deploying alert systems. - Familiarity with web service integration. - Experience with various notification systems (Email, SMS, Web). In summary, I need a tech-savvy developer open to the challenge of crafting an innovative dynamic alert system from the ground up. This project hinges on effective user notification of system status, enhancing overall user experience a...

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 in need of an experienced Java programmer to assist in developing software through using the IDE NetBeans. Key details: - Your main task will be the development of elegant, efficient Java software solutions. - While no specific CMS is being targeted, a comprehensive understanding of them can be beneficial. - Some familiarity with NetBeans is preferred, to streamline the development process. Ideal Skills: - Extensive background in Java programming - Proven experience in software development - Familiarity with NetBeans IDE

I'm seeking a proficient Java programmer, skilled in using netBeans, to develop a versatile software application for generic use. Your responsibilities include: - Creating a software application from scratch. - Primarily focusing on designing a user-friendly, robust User Interface. Ideal applicants should have significant experience in UI design and application development. Exceptional debugging, troubleshooting, and code performance optimization skills are advantageous. Deep understanding of Java programming and proficiency in netBeans is vital. If you've worked on similar projects preferably generic software development, it would be an added advantage. Your ability to deliver on this project will have a direct impact on the functionality and user-experience of the soft...

I'm currently in dire need of a competent C++ programmer to fix a bug in my existing code. The timeframe is extremely tight and the task must be completed ASAP. Key Requirements: - Strong command of C++ programming language - Experience in debugging and fixing errors in C++ code - Ability to work quickly and efficiently, under tight deadlines Your primary task will be to identify the issue causing the bug and rectify it promptly, ensuring the software runs smoothly. Your understanding of the codebase and the C++ language is crucial in this. Please respond only if you're confident in your ability to deliver high-quality work promptly.

...comprehensive buy/sell application using Flutter, Firebase, optimized for both iOS and Android. Key skills include (but are not limited to) Flutter, Firebase, and cross-platform app development. Key Features: 1. User Registration: The app should include a straightforward login/registration process utilizing phone numbers. 2. Invite System: Users should be capable of sending invitations to join the app via SMS and Email. 3. Buy/Sell Functionality: The application must provide a platform where users can comfortably post items for sale, and permit other users to purchase these items. This should mirror established platforms such as OLX or eBay. Desired Functionality: - User-to-User Messaging: To facilitate the buy/sell process, users should be able to message each other directly t...