Android serial interface jobs

...knowledge about Wix background editor with experience in similar troubleshooting would be an asset. • Another key issue I need tackled is the malfunctioning zoom function on the product page. It isn't working at all, potentially hindering our customer experience. Therefore, having experience with common Wix functionalities like this is crucial. • Additionally, I'm having trouble with the menubar interface. It's not performing as expected, so familiarity with handling Wix's menu bar is desirable. In a nutshell, I'm seeking someone with comprehensive Wix experience, quick problem-solving skills, and attention to detail to rectify these issues in a timely manner....

I am in need of a competent Android app promoter, to increase the visibility of my application and boost downloads. The target audience for this app is broad, including teenagers, adults, and professionals. Key responsibilities include: - Crafting a strategic marketing campaign aimed at increasing app downloads. - Utilizing various promotional techniques to enhance app visibility on the Android platform. - Monitoring and analyzing results of the campaign, tweaking strategies where necessary to maximize downloads. The ideal freelancer for this project should have: - Proven experience in promoting Android applications. - A strong understanding of the Android app market and user behavior. - Excellent communication and analytical skills. Your success in this ...

I'm seeking a skilled Racket LISP/Scheme ...documentation for the program. Ideally, you will be able to write clear and concise technical documents, with a strong attention to detail. Specific features or requirements for the program include: - Input Validation: Ensuring that the program correctly processes and validates input data. - File Handling: Involves reading and writing data to and from files. - User Interface: While not the primary focus, a basic user interface that facilitates the data processing task efficiently will be required. Please note that I have specific examples that will be helpful for the development process. A strong communication skillset is crucial for this project, as it involves understanding and translating my requirements into functional c...

I'm looking for a web developer with strong skills in user interface design and donation system integrations. As the owner of a charity website, I need to make some improvements: - Enhance the user interface, with focus on the navigation menu and typography. I require assistance in designing a more intuitive navigation menu and choosing appropriate typography to improve the overall user experience. - Optimize the donation system. I want to integrate a payment system that ensures 100% of donations go to the charity. I am open to suggestions on the best approaches and systems to achieve this goal. A freelancer who can advise on these improvements and implement them professionally would be ideal. Please, only those with prior experience in similar projects apply. Your ...

Logo + Admin Panel + Multi DNS I'm in need of an expert in APK rebranding specifically for Tivimate IPTV. The chosen freelancer should have experience and proven capability in android platform development and APK rebranding. They should be able to; - Efficiently handle the task of rebranding our Tivimate IPTV APK into IBO player with a new logo. - Build a comprehensive Admin Panel integrating functions of User and Content management efficiently. Since the rebranded APK should be compatible with Android, a substantial level of expertise and experience with this platform is crucial. A successful application will demonstrate sufficient experience in similar projects.

The project is hosted on GitHub: The current state of the project is stable and operational. It currently relies on an API connection to fetch movie data, utilizing the public API provided by The Movie Database (TMDb): The upcoming task involves a simple modification: removing the API dependency. Instead, the project will transition to using static information. Additionally, it will integrate functionality to play videos directly from specified URLs. This adjustment aims to streamline the application's functionality and enhance performance.

...design elements. Tailor or design page layouts that captivate and engage our target audience, upholding the professionalism of the Porto theme's standards. Skilfully use WooCommerce to provide straightforward and intuitive navigation. Qualifications: Demonstrable experience in web design with a portfolio of work on WordPress and WooCommerce. Ability to craft an attractive, user-friendly website interface that aligns with our branding. Knowledge of current web design trends and an understanding of the best practices in e-commerce website aesthetics. System Administration: All system administration tasks have been handled; we have hosting in place, WordPress and WooCommerce are installed, and the Porto theme is purchased and set up. Application Instructions: Interested d...

I'm seeking a proficient Ignition platform developer to assist with the front-end development of a project. Key Requirements: - Strong background and experience in the Ignition platform is a must. - Your primary focus will be the front-end development, ensuring a seamless and user-friendly interface. - Prior experience with similar projects is highly desirable.

I am looking for a skilled developer to create a web application focused on finance and budgeting. Key Features: - The primary focus of this application will be on budgeting and expense tracking. - The application should be user-friendly and accessible for individ...and budgeting. Key Features: - The primary focus of this application will be on budgeting and expense tracking. - The application should be user-friendly and accessible for individual users. Ideal Skills and Experience: - Proficiency in web application development, particularly in the finance sector. - Experience with budgeting and expense tracking functionalities. - Understanding of user interface design principles for individual users. Please share your relevant experience and any potential ideas you have for thi...

... I am looking for a website that stands out from competitors and can attract and retain visitors. If you are confident in your abilities to deliver on these points, I would love to see some of your past work and discuss further details. I have started with a simple design that causes some trouble. See: The template has issue on Android 13 as it will not display properly. Ios and Android 14 worked well. So this needs to be fixed. Besides that: please make the centered menu NOT to break to two lines. As soon as the page is narrow enough for it to line break, then use hamburger menu. Then the HEader Section with the menu i want to work as follow: Overlay on the Video with light gray until i start scrolling down and THEN background should change to white

I'm in search of a MailWizz expert Key responsibilities: - Customizing the user interface design to improve the overall user experience and branding. - Devising a mechanism to manage debits of email credits efficiently. We simply want to add emailing credits to our customers mailbox account and we will add emailing credits the account based upon the amount paid. We then simply like to debit the credits for each email sent. Very simple. If we give the mailbox user 10,000 credits and they emails 3,000 emails the 3,000 is debited from the 10,000 balance and 7,000 credits are left. We have already configured Mail Wizz with Postfix MTA We own our servers and we wish to integrate the emailing server with our MySQL database. This is the first of many jobs that we will req...

Update android app to be supported android TV

...developer should implement robust methods to ensure that all necessary data is correctly captured. - **Enhanced Comparison Algorithm:** The comparison algorithm should be optimized to better handle the extracted data. The developer should ensure that the comparison is done accurately and efficiently. - **User-Friendly Interface:** The current demo code lacks a user-friendly interface. I am looking for a developer who can design and implement a clean, intuitive and user-friendly interface. Preferred Programming Language: Python - The application is currently built in Python and I would like to stick to this language for consistency. Notable Requirements: - The application should be able to handle both Word and Excel documents. - The final product should be a fully ...

I'm looking to optimize my WordPress website for mobile devices. Additionally, I need some cosmetic changes to be made to the site's user interface. Key Requirements: - Optimize the website for mobile devices - Fix the drop down menus - Adjust spacing on the site The ideal candidate for this job would have: - Proficiency in WordPress - Excellent understanding of mobile optimization - Experience in UI/UX design, particularly with cosmetic changes - Understanding of basic HTML/CSS for spacing adjustments - Good communication skills and ability to understand and interpret client's needs.

I'm in need of a skilled Android developer who can make some changes to my existing app. Key Tasks: - UI/UX Redesign: I need the color scheme and theme of my app to be revamped. It's important for me to offer a visually appealing and user-friendly interface to my users. - Feature Addition: I also require new features to be integrated into the app. The ideal candidate should have: - Proven experience in UI/UX redesign for Android apps. - Proficiency in adding new features to existing apps. - Strong understanding of Android design principles. - Prior experience with successful app launches on Google Play Store.

...am seeking a talented freelance web designer proficient in Hubspot CMS for a redesign of my website. While the basic design is in place, it needs improvement and optimization to enhance its efficiency and user experience, and to generate leads. Key Responsibilities: - Review and revise the design across all pages of the website, with an emphasis on the homepage, content pages, and navigation interface - Implement design modifications to improve user experience - Ascertain and incorporate ecommerce best practices to optimize the website for lead generation Ideal Skills: - Proficient with Hubspot CMS - Excellent web design skills - Strong knowledge of UX/UI best practices - Experience with ecommerce websites - Ability to conceptualize and implement design improvements - Underst...

... cat sys/kernel/jp6/tid also it also checks the device serial number using: getprop for this app the values are the following: tid:E200680D00004006D693381E (for both above commands) serialnum: 1fbc4d46 Both of these values have been hidden somewhere in this app along with these commands to check the device info to make sure they match. If they match the app works. If not the app will not properlt work. I need the location of the following variables that are somewhere in this app so that i can edit them: tid - E200680D00004006D693381E serialnum - 1fbc4d46 I want the commands to check against these values to remain so that by editing these values to the tid and serial numbers of the specific device it will check against those numbers and operate

I'm looking for an experienced Android developer to help me create an E-Commerce mobile application. Key Project Details: - Platform: Android - Main Functionality: E-commerce Key Requirements: - Proficiency in Android app development - Strong understanding of E-commerce functionality and design - Experience with integrating payment systems, specifically Razorpay Ideal Skills and Experience: - Prior experience in developing and launching E-commerce apps - Knowledge of mobile app design principles - Familiarity with Razorpay or similar payment systems I'm keen on finding a developer who can deliver a high-quality, secure, and user-friendly E-commerce app for Android. Please share your relevant experience in your proposal.

As a business owner, I'm looking to hire an expert in SEO and website improvement. The main goals for this project are to increase website traffic, improve search engine rankings, enhance user interface and experience. Key Responsibilities: - Conduct a comprehensive audit of our current SEO and website - Provide a detailed analysis of the website's current performance - Identify areas of improvement for SEO and user experience - Develop and implement a new SEO strategy that will increase website traffic and improve search engine rankings - Work on enhancing the user interface and experience - Improve the quality of the website content. The ideal candidate for this project should have: - A proven track record in SEO and website improvement - Strong analytical skil...

I'm seeking a proficient developer to create a robust photo editor with the following features: - Cropping and resizing capabilities - Basic color adjustments - Implementation of filter presets The software should support importing and exporting in JPEG and PNG formats. In terms of design, I am looking for a user interface that is advanced and customizable to cater to a variety of user needs. This project requires strong skills in UX/UI design, along with a solid understanding of image processing and manipulation. Experience creating photo editing software or similar applications will be highly regarded.

I'm looking for an experienced Android app developer to design and build an e-commerce application. Key functionalities to include: - Online payments: The app should support secure and smooth online transactions. - Product catalog: It needs to have a comprehensive and easy to navigate product catalog. - Shopping cart: It also needs to support a shopping cart allowing for easy purchase processes. - Complete multivendor capability: Lastly, it must be a multivendor platform, enabling other sellers to list and sell their products. Ideal candidate must have: - Experience in designing and building Android apps - Previous work on e-commerce apps or platforms - Understanding of secure online payment methods - Knowledge of multivendor e-commerce platforms.

I'm seeking a seasoned app developer to design and construct a dashboard screen for my pre-existing app. This screen should focus on a minimalist aesthetic, enabling a clear, clutter-free user interface. Key Tasks: - Develop a dashboard screen within an existing app. - Ensure it displays user statistics and notifications. Required Skills: - Background in app development, mainly in dashboard functionality. - Extensive understanding of minimalist design principles. - Proven experience in creating user-friendly interfaces for displaying statistics and notifications. Please showcase any similar past projects and also familiarize yourself with the existing app before making a bid. An eye for simplicity and functional design is a must.

I'm searching for a skilled developer intimately familiar with Wordpress plugins, who possesses both an eye for user-interface design and a knack for solving code-related issues. Specifically, I need: • Bug Fixes - The custom plugin is currently affected by several issues including incorrect data display and broken functionality which need to be addressed and remedied. • User Interface (UI) Enhancements - The project involves improving the functionality of the plugin for a better, more effective user experience. I'm also interested in adding new features that will enhance usability. Ideal candidates will have proven experience in rectifying similar issues and should understand the importance of usability and design in plugin development. A detailed...

I'm seeking a competent web developer to create a personal blog site specifically designed to host video content. You will be responsible for enabling the site to host videos, ensuring optimal playback, and creating an appealing yet user-friendly interface. Ideal skills include: - Proven experience in HTML/CSS - Understanding of video hosting and embedding - Experience in designing user-friendly websites - Knowledge of website load optimization strategies, particularly relating to video content. Looking forward to work with freelancers who are committed to creating a high-quality, functional, and visually appealing blog site.

...facilitate content discovery. - Push Notifications: Setting up push notifications to keep users engaged and informed. - In-App Purchases and Subscription: Integrating payment gateways and managing subscription models. Ideal Skills and Experience: - Proficient in mobile app development for both iOS and Android platforms. - Prior experience in building video streaming apps or similar platforms. - Strong understanding of UI/UX design principles, especially in creating a modern and user-friendly interface. - Familiarity with implementing social features such as user interactions, sharing, and comments. - Expertise in handling server-side development and admin portal creation. If you have a proven track record in developing similar apps and can deliver a robust, visually appe...

I need a comprehensive HGV dia...like the diary to be available both in physical printed form and as a digital application. - Manually Updatable: The diary needs to be designed for manual input by the drivers themselves. This means a user-friendly interface is a must. - Secure and Reliable: The information logged needs to be secure and reliable. This is especially important for the digital version. MUST BE AN IRELAND COPY OF THIS BOOK Ideal Skills: - Experience with creating tracking systems - App development, particularly in the transportation or tracking sector - User interface design for ease of manual input - Knowledge of secure data handling - Print production for physical version Please provide examples of similar projects you've worked on in the past.

I'm seeking an experienced Android app developer to help upload my beginner-level Block puzzle game on the console. The scope of the project involves the technical implementation only, with no additional visual or sound effects to be incorporated. The chosen professional needs to be thorough, efficient, and possess previous experience in uploading puzzle games to Android consoles, ensuring a smooth and error-free upload of the game. As a client, it is crucial to me that the game remains intact and works seamlessly post-upload.

...(4:5 ratio) Size: 960 x 1200 pixels Quantity: 1 Format: PNG Notes: suitable for vertical website banners. Total number of graphics: 6 Visual Style: Maintain ™’s brand colors and typography to ensure consistency and brand recognition. Utilize clean, modern design elements that reflect the sophisticated nature of the software. The design should prominently feature the dashboard interface or iconography representing the various tools and functionalities offered (CRM, analytics, social media, etc.). Asset Types and Specifications: Facebook Cover Banner: The design should be visually compelling but not too cluttered, as it needs to communicate effectively within the constraints of Facebook’s layout. LinkedIn Cover Banner: This should be a more professional and...

For this cr...Developer, particularly from Assam, to help me create a comprehensive Crypto Faucet App. Key Project Features: - User Registration and Login: Users should be able to easily register and log into the app using social media authentication. Experience with implementing such mechanisms is essential. - Faucet Claim System: The App must allow users to claim cryptocurrency, with a smooth and user-friendly interface for the same. - Crypto Wallet Integration: Specifically, an Ethereum wallet needs to be integrated into the app. A developer with experience integrating Ethereum or similar crypto wallets is ideal. Suitable candidates should have previous experience developing similar apps using Flutter. Strong background working on crypto apps or any blockchain technology is a m...

I'm looking for an adept developer to create a comprehensive lottery gaming application which will be available on iOS, Android, and Web platforms. Key Features: - "Ticket Purchasing": The application should offer a seamless interface for users to conveniently purchase lottery tickets. - "Jackpot Tracking": Users need to be able to view and track the status of the jackpots including winnings. - "Number Generator": This function will randomly generate potential winning numbers for customers. The app's design should cater to a broad range of users including the general public, gamblers, and lottery enthusiasts. It should be user-friendly, and intuitive with clear instructions. Ideal candidates for this project should have experience...

I am looking for app developers who can incorporate the ability to both read and write to a Mifare Desfire EV1 card. In detail, here are the key requirements: 1. Android App: - Design and build an Android app that can interact with the Mifare Desfire EV1 card - Capable of reading and writing Authentication data to and from the card 2. IOS App: - Create an IOS app that can read this Authentication data from the same card Our main goal is to use this Authentication data for user login/authentication for internal use. The successful freelancer should have skills and experience in Android development, IOS development, and working with Mifare Desfire EV1 cards, preferably with Taplinx. Knowledge in data security is a must. Ensuring privacy and security of the data is ...

I am seeking knowledgeable developers to construct a centralized cryptocurrency exchange with a comprehensive inclusion of Bitc...trading options to cater to users of all cryptocurrency trading levels. - Solid Security Measures: Given the onset of cyber threats, you'll need to harness your end-to-end cryptographic knowledge to ensure top-notch security measures. - Engaging User Interface: The ability to build an intuitive, easily navigable and engaging user interface is crucial. Proven experience designing user-friendly platforms is advantageous. The ideal candidate will have a blend of technical versatility in blockchain technology, cryptography, and platform interface design. A comprehensive understanding of commonly traded cryptocurrencies Bitcoin, Ethereum,...

I need a Flash Fund app designed specifically for the Android platform. Which can send fake funds to any bank account and finally disappears over a particular period of time

I'm in need of a React UI developer who is highly proficient in CSS and Material UI. Your primary task will be to implement buttons, forms, and navigation bars. I'm looking for a very expert level of work, so if you consider yourself a beginner or intermediate, please do not apply. ...very expert level of work, so if you consider yourself a beginner or intermediate, please do not apply. Key Requirements: - Proficiency in React and Material UI - Expertise in CSS, with a preference for clean and minimalist design - Experience in creating colorful and playful interfaces - Past experience working on similar projects is a plus I'm open to suggestions on how to improve the user interface, so feel free to share your ideas and expertise. Please include examples of your pr...

I'm currently looking for an experienced Android developer to help bring a new project to life. As the project parameters are still undefined, I'm seeking someone adept at working with client input to identify, design, and implement key features. Features will potentially include: -User login/signup -Push notifications -In-app purchases The application's purpose is likewise undefined, but may lean into areas of e-commerce, social networking or entertainment. Key qualifications for this role include: -Strong portfolio of previous work -Experience with client-guided workflows -Excellent communication skills, with a willingness and ability to recommend options and solutions in key areas. Timeline is currently flexible, with the possibility of an ASAP start date or...

I am seeking a skilled developer who has strong expertise in Java or Python programming languages. This project involves developing a robust software that includes several key features: - User Authentication: Your capabilities should include creating a secure log-in fea...facturation, it's a key component of this project. - Calendar: Lastly, being able to integrate a user-friendly calendar will be an added advantage. To be successful in this role, you'll need to have prior experience in software development, a good understanding of either Python or Java, and a knack for creating clean, efficient code. Familiarity with database systems, finance/billing systems, and user-interface design will be advantageous. If this sounds like a project you can execute flawlessly, I'...

...capture of payment details for offline processing). Requirements: - Design makeover: Enhance the look and feel of the current website - User registration form: Incorporate fields for first about 8 fields. - File upload capability: Users should be able to upload documents, images, and videos Skills and Experience: - Proficiency in WordPress and Elementor - Strong knowledge of web design and user interface principles - Experience in implementing user registration and form functions - Familiarity with secure data handling and processing Would like custom script work so I"m not paying monthly/annual script fees. This project would suit a developer with a strong background in web design, user registration, and file upload capabilities, who can deliver a secure and user-friendl...

...React/ Fullstack UI engineer to collaborate with us. Our project emphasizes the following key design elements: - Responsive Design: Prioritizing compatibility and functionality across devices of all sizes. - Accessibility: Ensuring that the application is usable by all, regardless of disability. - Smooth User Interactions: Creating a seamless and enjoyable user experience through intuitive interface design. Your primary task will be to translate our vision into a visually appealing and user-friendly UI. Your role will be critical in ensuring our application's success, as it must resonate with a wide range of users. Ideal candidates will have a strong background in UI Engineering, with specific expertise in React and Next.js. The contest test will be around converting t...

...need a skilled web developer to create a fully interactive website for a university project. Key Features: - Discussion Forums: The website should have a user-friendly and secure discussion forum feature where students can interact with one another, engage in academic discussions, and receive support. - Online Quizzes: The platform needs to offer online quizzes. This includes a user-friendly interface, automatic grading, and a progress tracking system for students. Target Audience: The main users of this website will be students. The website should be appealing and engaging to this demographic. Ideal Skills: - Proficient in web development with experience in creating interactive websites. - Knowledge of discussion forum and online quiz functionalities. - Prior experience in c...

I've got an exciting project for skilled Android developers. My vision is to create a Matka gambling app, targeted at the general public. I have three key functionalities that need to be incorporated: • User Authentication: It's crucial our user base is securely authenticated to ensure a safe environment for all players. • Push Notifications: Our users need to stay updated with new features, game-related alerts and other relevant information. Using push notifications, we will keep our users engaged and informed. • APK to ABB file: I need the app converted to an Android App Bundle (ABB) for uploading to the Google Play Store. If you have mastered Java and Kotlin languages, have experience with Android SDK, and are familiar with secure use...

I need an experienced PowerShell developer to create a script that logs me into , downloads today's menu, and displays it on a window. Requirements: - The script should log in to bosch.aramark.cz. - After logging in, it should download today's menu. - The menu should be displayed in a window. - The menu display should be in the format: "Number of menu : Text of...each number on a separate line and menu text following it. - The menu number should be displayed before the text. Ideal Skillset: - Proficient in PowerShell scripting. - Familiarity with web scraping is preferred. - Good understanding of GUI development. - Experience in parsing and displaying structured data is a plus. Please ensure the script is user-friendly and efficient. A clean, simple interface is p...

...user authentication and customizable profiles, an online directory for networking, event management with registration and payment integration, and membership management with automated renewals. Additionally, the app will facilitate feedback submission, social engagement, and communication channels among resources and advocacy tools will be provided, along with a user-friendly interface and responsive design. Rigorous testing and compliance with data protection regulations will ensure functionality, security, and legal support, maintenance, and future enhancements are essential to meet evolving needs and technological advancements. The developer will collaborate closely with BCOE leadership to prioritize features and improvements, ensuring the app's effectiveness

I'm looking for a skilled Figma designer to create a modern and minimalist design for a website. I do not have specific color schemes in mind, thus I am open to your creative suggestions. Key requirement...suggestions. Key requirements for the project include: - Creating a design that is modern and minimalist. - Crafting a user-friendly layout that can enhance the website's functionality. Ideal skills and experience for the job: - Proficiency in Figma and experience with designing for websites. - Strong understanding of modern and minimalist design trends. - Good eye for user experience and user interface design. Your bid should ideally include: - Examples of your past modern, minimalist website designs. - A brief overview of your design process. - Estimated time f...

...company currently sets up client accounts manually through a control panel that supports API integration. The successful development of this project requires extensive knowledge of this API to enable full automation of the account setup, hosting package ordering, and management processes directly from our WordPress site. The developer will need to ensure seamless communication between our WordPress interface and the control panel's API, enabling users to perform all actions in an automated, user-friendly manner without manual intervention. This includes the ability to manage domains, select hosting packages, and complete purchases with full integration of the payment systems we plan to use. Requirements for the Hosting Plugin: Automated Account Creation: Users should ...

I'm in need of a custom Android application that will help me manage my daily tasks and keep track of my expenses and income. I'm aiming for simplicity and user-friendliness, as the app is for personal use only. Key Features: - Task Scheduler: - Ability to set reminders: I'd like to be reminded of important tasks or events. - Task prioritization: It should allow me to prioritize tasks based on their importance. - Task categorization: I need to categorize tasks according to their nature or urgency. - Expense Tracking: - Manual entry of expenses: I'd like the app to have a simple interface where I can manually input my expenses. - Categorizing expenses: The app should allow me to categorize my expenses for better organization. I'm not look...

I need expertise in integrating an IIS Windows Authentication system with our Ionic Android application. Looking for someone with expert level understanding of IIS Windows Authentication processes bid only if you have worked on same requirement before.

I am seeking a skillful developer to integrate an "in app chat" feature into my existing .Net MVC5 aspx SAAS project, with a particular focus on real-time communication functionality. Key Expected Fe...Ideal freelancers for this role should possess the following skills and experience: - Proficient in .NET MVC5 and Bootstrap 3 - Experience in chat server and client development - Ability to write clean, maintainable jQuery and HTML - Familiarity with real-time communication platforms UI Presentation: The chat messages should be displayed as chat bubbles in the user interface. Your task will also include designing this interface to accommodate the specified chat display preference. Your design skills and understanding of an intuitive user experience will be highly b...

...theatre ticket sales, integrated with an Android app. I'm looking for an experienced developer who can bring this vision to life. Key Features: - Cloud-Based POS: The system should be user-friendly and accessible from any location. - Inventory Management: The POS should allow for easy tracking and management of ticket inventory. - Sales Reporting: I need a comprehensive sales reporting system that provides insights on movie ticket sales. - Customer Management: The system should be able to store basic customer details for future marketing and analysis. The Ticket Sales: - The ticket sales will be done physically at the theatre; hence, the system should be optimized for this environment. - The Android app should provide a user-friendly interface for ...

I'm looking for an experienced developer to create an inventory management app for both iOS and Android. Key Features: - Data collection - Real-time inventory updates - Barcode scanning - Sales and purchase tracking Ideal Skills: - Strong experience in app development, particularly for iOS and Android - Expertise in inventory management systems - Familiarity with integrating barcode scanning and real-time inventory updates - Previous experience in creating apps with data collection and sales/purchase tracking functionality Please provide examples of your previous work, especially if you have developed similar apps. A good understanding of UI/UX design principles will be highly valued.