Develop android app quiz jobs

I'm looking for a developer to create a Caller ID app for both Android and iOS platforms using MySQL database. The app should have the following features: - Comprehensive Caller Identification: The app should be able to identify incoming calls and display the caller's information if available. - Anti-Spam: The app should have a feature that can help block spam calls. When a call comes in, you will check that call through the API It will give you a response with his phone number, name, photo, and address You will display that information 1. Login first app. (SERVER URL, USERNAME, PASSWORD) 2. I just need the information of the person who gave the phone from my database to show his name, photo, and add...

...a skilled graphic artist to design a minimalistic cover and interior images for my non-fiction technology book. The design should be modern, eye-catching, and simple, focusing on a specific technology-based theme. Key tasks and requirements: - Create a compelling minimalistic cover design that communicates the book's technology theme--cryptocurrency investing for beginners-- effectively. - Develop interior images that align with the content, enhancing the reading experience while remaining in line with the minimalistic design aesthetic. These would be mostly stock charts, candlesticks, line or bar graphs with simple key - Must have a keen eye for detail, be creative, and have an understanding of non-fiction book design. Ideal Skills: - Expertise in graphic or book desi...

...Learning, MS Copilot, Cloud Computing (Azure), MS Power Platform, SQL Server, iOS, Android, and comprehensive Microsoft technologies. Preference will be given to candidates in the USA time zone. Key Details: - Main Objective: The main goal of this project is to develop a new software application. - Platforms: The application will be developed for Web, iOS and Android. Ideal Skills & Experience: - Proficient in Artificial Intelligence and Machine Learning with a proven track record in similar projects. - Expertise in MS Copilot, Cloud Computing (Azure), MS Power Platform, SQL Server, iOS, Android, and Microsoft technologies. - Prior experience in developing cross-platform applications for Web, iOS and Android. - Ability to work effectively within...

...Product Management: Allow users to list thousands of forest products in bulk via wood processors inventory system and facilitate a user-friendly search system. - Messaging System: Integrate a robust messaging system for seamless communication between buyers and sellers. - Auctions: Implement English and Capacity auctions for listing forest products based on market conditions. - Order Management: Develop an efficient order management system for tracking and processing transactions. User Types: - Buyers: Users (wood processors, merchants, construction outfits) will purchase forest products. - Sellers: Users (wood processors/traders) who will list and sell forest products. - Administrators: Platform moderators who will oversee the transactions and ensure smooth operations. Payment...

Hello, I am seeking an experienced Shopify developer to create a brand new Shopify website for my business. The main purpose of this website is to function as an online store, selling physical products. Job Roles: - Plan, design and develop a user-friendly and responsive Shopify website. - Establishing payment and shipping integrations. - Conforming to SEO best practices for product listings. - Implementing a visually appealing layout that complements our brand. Ideal Skills: - Proven experience in Shopify development and design is a must. - Comprehensive understanding of Shopify's system, including the addition of physical products. - Proficiency in setting up payment and shipping systems. - Experience with SEO strategy development and execution. - An eye for detail and c...

I need a skilled social media manager to handle my Facebook and Instagram accounts. My primary goal is to drive website traffic gain followers and post engaging posts, so I'm looking for someone who can craft engaging posts that will encourage my followers to visit my website. Key Responsibilities: - Develop a social media strategy that will drive traffic to my website - Create and post daily content on both Facebook and Instagram - Monitor and respond to comments and messages on both platforms Ideal candidate should have: - Proven experience managing Facebook and Instagram accounts - Strong understanding of social media analytics - Ability to craft engaging content that drives traffic - Excellent communication skills and ability to engage with followers If you have experi...

Looking for a highly-skilled programmer with a solid understanding of Dynamics 365 Business Central for a broad scope of tasks. Here's what I need: 1. Reports and Dashboards: * Develop insightful financial dashboards. * Create comprehensive inventory reports. 2. Customizations and Integrations: * Modify the user interface for a more tailored experience. The ideal candidate should have a proven track record in not just programming, but also customising, integrating, and automating workflows within Dynamics 365 Business Central. A strong understanding of financial data reporting and inventory management is necessary as well.

I'm in need of a skilled UX and Android developer to breathe new life into my app's user interface and streamline the backend code. This revamp includes: - Updating the color scheme. Despite skipping the specific color scheme preferences, I'm eager to discuss creative inputs from the chosen freelancer for this. - Making layout modifications. This involves reorganizing elements for better user experience, adding new sections to increase app functionality and simplifying navigation to promote user ease. The ideal candidate will have an eye for sleek, user-friendly design and possess the ability to transform these designs into efficient code. Also, keen understanding of UX principles and Android development experience is required. Understanding the nuan...

I am looking for an experienced Android developer to create a doctor's appointment application. The app should include the following features: - Login and Registration: Users should be able to create accounts and log in securely to access the app's services. - Booking and Scheduling Appointments: The app should allow patients to book appointments with doctors and schedule them efficiently. - Reminders and Notifications: Implement a system of reminders and notifications to keep both patients and doctors informed about their appointments. Required Skills and Experience: - Proficiency in Android app development - Experience with implementing user authentication systems - Strong knowledge of in-app booking and scheduling features - Prior ex...

...logo for my business. The design style should align with contemporary aesthetics and sophistication. Ideal Skills and Experience: • Proven graphic design skills with a strong portfolio • Proficiency in design software and technologies (such as InDesign, Illustrator, Photoshop) • Creativity and problem-solving skills • Experience with logo design, particularly combination logos Requirements: • Develop a unique modern combination logo • Able to incorporate feedback and make necessary revisions • Knowledge of latest design trends and technologies Please note that the color palette has been left open-ended to allow designer creativity. Final decisions will be made cooperatively. Your proposal should include a portfolio of previous logo designs....

I am in urgent need of knowledgeable professionals to develop and implement a marketing strategy for my new student-focused Mobile Virtual Network Operator in South Africa. Your experience in marketing, brand awareness, customer acquisition and retention will be a crucial part to this project. Aim & Goals: - Increase brand awareness within our target audience - Drive customer acquisition among students, parents of students, and educational institutions - Enhance customer retention and loyalty Budget & Resources: - The budget for marketing strategy implementation is less than $1000 - Hoping to make the most of this investment by implementing cost-effective strategies Ideal Skills: - Proven experience in marketing strategy development and implementation - Profound unders...

As a professional needing a unique portfolio website, I'm seeking a skilled website designer adept in creating engaging online spaces. A crucial functionality I need is a slideshow of previous work pictures that would allow potential clients to browse through conveniently. Key requirements: - Design and develop a clean, seamless portfolio website - Integrate a slideshow feature to exhibit previous works Ideal skills: - Proven experience in designing portfolio websites - Proficiency in creating engaging slideshows on websites Your main priority will be to craft an attractive, user-friendly site that will catch the attention of potential clients and showcase my work effectively. The success of this project will be measured by the website's aesthetic appeal, ease of use...

I'm looking for a comprehensive market research on voice changing AI applications that can function with the "Salaams" app on iOS and Android platforms. It's crucial that these applications have a real-time voice changer feature. I'm specifically interested in applications that can shift voice to a non-cartoonish, non-robotic female voice. Ideal Skills and Experience: - Extensive experience in AI app research - Detailed understanding of voice changer apps - Familiarity with Salaams app and its compatibilities Project Requirements: - Identify compatible voice changing AI apps for both iOS and Android - Focus on apps providing real-time voice change to a female voice - Exclude apps producing cartoonish or robotic voices - Deliver...

I'm seeking a skilled web developer with versatility as the requirements for my project are not completely defined yet. The type of website, its features, functionality, and platform are to be discussed and decided based on the freelancer's expertise and suggestions. Key skills and experience: - Ability to design and develop different types of websites (e.g., e-commerce, portfolio, blog) - Knowledge of different features and functionalities such as online shopping carts, user registration and login, and blogging platforms - Familiarity with various platforms or Content Management Systems (CMS) such as WordPress, Shopify, and Joomla - Exceptional problem-solving skills and creativity - Excellent communication skills for understanding requirements and proposing solutions. ...

Hi! I'm looking for a skilled Flutter developer to create a Point of Sale (POS) app for Android. Application is already in progress. You need to make it offline. Your previous experience in sqflite is plus.

I need a specialist to transform my existing WordPress site into a modern, user-friendly mobile application for both iOS and Android platforms. The mobile app should include the following WordPress site features: - Bidding on request for quotations - Shopping cart functionality - User reviews The design should be sleek and modern. Ideal freelancers should have extensive experience in mobile app development, specifically in converting WordPress sites to mobile apps. Knowledge in modern UX/UI design is beneficial to this project, as is a solid understanding of e-commerce functionality.

I am looking for a professional who can develop a PHP-based system to generate web pages automatically. These pages will be using pre-designed HTML templates and their content will be generated using Artificial Intelligence (AI). The generated content will primarily be articles. Key Features Needed: - The system should be able to automatically create web pages - The system should have a built-in AI integration for content generation - The system needs to be seamlessly integrated with WHMCS Ideal Skills and Experience: - Proficiency in PHP and web development - Experience in working with AI and integrating it into a system - Prior experience in developing systems that can automatically create web pages - Familiarity with WHMCS is a bonus The purpose of these generated web pages w...

...class notes, and Teaching Materials. - Building effective relationships with students and parents. - Designing a Learning Improvement Strategy to enhance students' performance. Key Requirements: - Experienced in tutoring in Math, Science, and English. - Proficient in teaching middle school (6-8) and high school (9-12) students. - Strong communication and relationship-building skills. - Able to develop engaging teaching materials. - Familiarity with online teaching tools and platforms. Skills required: - Strong subject knowledge in math, science, English, etc. - Excellent communication and interpersonal skills - Ability to adapt teaching style - Patience and empathy - Previous tutoring experience Your responsibilities will include creating an engaging learning environment...

I'm looking for a skilled Raspberry Pi programmer to create a program focused on data logging. Key Requirements: - Develop a program that can log data efficiently on a Raspberry Pi - The program should be able to integrate with various sensors - The primary goal is to replicate an existing Raspberry Pi setup Ideal Skills: - Proficiency in Raspberry Pi programming - Experience with Python, as the primary programming language for the project - Previous projects with data logging and sensor integration - Strong problem-solving skills and attention to detail

I'm seeking a digital marketing specialist with a strong background in social media marketing, specifically on Facebook and Instagram. Your primary task will be to create and manage campaigns that generate leads for our business. Key Responsibilities: - Plan and execute lead generation campaigns on Facebook and Instagram - Monitor and analyze campaign performance, making adjustments as needed - Develop strategies to optimize lead quality and quantity Ideal Candidate: - Proven experience in social media marketing, particularly on Facebook and Instagram - Strong understanding of lead generation tactics - Ability to analyze data and make informed decisions - Excellent communication and project management skills Your success will be measured by the number and quality of leads ge...

Need a Plugin/App to Transfer Google Sheet Data to Database via Webhook URL Description: We are looking for a skilled developer to create a custom plugin or app that seamlessly transfers data from a Google Sheet to our database whenever changes occur. The plugin/app should be able to detect any modifications in the Google Sheet and trigger the transfer process automatically. The data transfer should be facilitated through a webhook URL provided by us. Requirements: 1. Develop a plugin/app compatible with Google Sheets that can monitor changes in real-time. 2. Implement functionality to extract data from the Google Sheet and send it to a specified database via a webhook URL. 3. Ensure the plugin/app is secure, efficient, and scalable. 4. Provide cl...

...business process streamlining project. I need to create automatic SharePoint flows to enhance efficiency in the business. We want to move to digital with customer contracts requiring zero details on the specific actions/processes to automate and technology integration provided, I expect the freelancer to utilize broad knowledge in SharePoint automation. Key Responsibilities: - Develop SharePoint flows for various undefined actions/processes. - Employ your expertise to decide which actions/processes best fit automation. Skills and Experience: - Extensive SharePoint development experience - Proven track record in SharePoint automation, particularly in business streamlining. - Strong decision-making skills in proposing which actions/processes to automate in SharePoint. Please

I want an android developer with java, php, laravel, api Working on android studio and laravel app control panel

UX. Below are some of the requirements and will be broken down into milestones. Work items (subject to change before the project starts, may have minor changes after project starts): Everything below shooul work on Chrome, Edge, Firefox and Safari of windows desktop, iphone and android. Please test on those browsers and let me know if you are not able to test on both mobile devices. We need too complete bugs first followed by enhancements. Some of the styling items may required a couple of back-and-forth requests to change things slightly. Bugs: a. When there are no results, we need to display a message at the top that of the no results page that says "No results found". (you can test it with price, RAM and CPU Speed set to highest values) b. When we click on Show detai...

...functionalities - Experience in creating dynamic and interactive reports, dashboards, and data visualizations - Proficiency in Power BI RestAPI, DataFlows, PowerShell -Write scripts or API queries to pull data from the Power BI service about each dataflow, including refresh history to get durations, and status of incremental refresh. - Ability to translate complex data into clear, compelling visuals -Develop the actual Power BI report, integrating API data sources, and setting up refresh schedules for the report itself to ensure data is up-to-date. Applications should include a detailed project proposal showcasing how you plan to address and accomplish the tasks outlined. Please note that I'm looking for an expert in Power BI; beginners or intermediates need not apply. ...

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I am seeking to develop a multi-featured ERP system. The ideal candidate will have a strong command of Express, MySQL, , and TypeScript, and a solid understanding of the requirements of an ERP system. Main Features: - Inventory Management: This will need to include stock tracking and control, order fulfillment and shipping, and product categorization and management. - Sales and Order Management: This will need to incorporate vital functions for sales management, customer management, and suppliers management. - Financial Management: Comprehensive financial management capabilities including accounting, payroll management, and application subscriptions management. Additional Features: - Multi-company support: I require a multi-tenant system to accommodate multiple companies. - Staff ...

I'm in need of experienced Android developers who can quickly upgrade my app to the latest version. Key Requirements: - Basic upgrades to support the latest version of Android - The application should run smoothly on the android 14 version The upgrade does not require the addition of new features, just ensuring the current functionality is maintained and improved to work seamlessly with the newest Android version. The project is of high priority and needs to be completed as soon as possible. Ideal Skills and Experience: - Proficiency in Android app development - Experience upgrading existing applications - Ability to work under tight deadlines - Strong understanding of the latest Android version Here's the link to the...

I'm looking for an android app developer to assist with daily maintenance tasks for my android app. Key Responsibilities: - Content Updates: Regularly update the app's content to keep it fresh and engaging for users. - Security Updates: Ensure the app is secure and protect from any vulnerabilities. - Bug Fixes: Identify and fix any bugs in the app to ensure smooth user experience. - Full Maintenance: Oversee all aspects of the app, including but not limited to updating content, security, and fixing bugs. The ideal candidate should have: - Proven experience in android app development and maintenance. - Strong understanding of mobile app security and bug fixing. - Ability to work on fast-paced projects and pro...

I'm in need of a skilled social media marketer to boost my brand presence and drive traffic to my website on Facebook and Instagram. The primary goals of the campaign are to increase brand awareness, drive website traffic, and generate leads. Key responsibilities: - Plan, develop and execute a comprehensive social media strategy across Facebook and Instagram - Create engaging content to post on these platforms - Manage all social media accounts, including responding to customer inquiries You should be experienced in: - Social media strategy planning - Content creation and curation - Monitoring and responding to social media activity - Using analytics and social media management tools to track and report on performance While the target audience is not explicitly defined, exp...

I'm seeking an experienced app developer to create a robust and user-friendly iOS and Android application. The app will also require seamless integration with social media platforms. Key Points: - should be like Amovan app on App Store - iOS Development: The app must be tailored specifically for iOS devices, ensuring a smooth and optimized user experience. App should connect/read/integrate data collected from smart ring device via bluetooth. Ideal Skills and Experience: - Proficient in iOS app development, with a portfolio demonstrating successful e-commerce app projects. - Prior experience with integrating social media platforms into mobile applications. - Strong understanding of payment gateway integration and e-commer...

We are seeking an experienced Flutter developer who specializes in building Android applications to help us generate an APK from our existing Flutter source code. The ideal candidate should have a strong understanding of the Flutter framework and the Android development

I am in need of a skilled team to develop a CMS and accompanying website for my online travel agency focusing on cruise bookings. Key Features: - I would require a comprehensive booking management system. This system should be able to handle bookings, cancellations, rescheduling, and refunds efficiently. - The CMS and website should be designed to cater to both travel agency staff and end customers. User Experience: - For our end customers, the booking process should be seamless and interactive. I envision the use of an interactive calendar to allow customers to select their preferred cruise dates easily. Ideal skills for this project would include: - Proficiency in CMS and website development - Experience in e-commerce and booking management systems, particularly tailored to...

...education app that supports interactive lessons with multimedia. Your expertise should ideally cover: - Image recognition: The main feature required for this project is image recognition. You will need to develop and implement strategies that effectively perform image identification on a fast, accurate, and great extent. - Web-based applications: As the final product will be web-based, substantial knowledge and proven experience in creating web-based applications would be preferable. - Education Apps: Having previously worked on education apps will be highly regarded. Understanding of what makes an educational app effective and engaging will be key in this project. Your role will involve not only developing the app’s image processing function but also in...

...experience, you will play a crucial role in designing, developing, and maintaining our blockchain-based electricity engineering platform. You will be responsible for creating user-friendly and visually appealing web applications that integrate blockchain technology. Your work will contribute to enhancing the user experience and defining the future of our platform. Responsibilities: Design and develop user-friendly web applications using modern web technologies and frameworks. Collaborate with cross-functional teams to gather requirements and translate them into technical specifications. Implement blockchain technology into web applications, including the development of smart contracts and integration with existing systems. Ensure the scalability, security, and performance of we...

Mini Game VR Unity for Android

I need a versatile programmer who can work with Python, C or any other programming language to develop a system for identifying Distributed Denial of Service (DDoS) attacks with the help of machine learning algorithms. Skills and Experience: - Extensive experience in Python, C, or similar programming languages - Knowledge of Machine Learning algorithms - Experience in network security would be beneficial - Proven track record in detecting cyber threats in a small network environment. Your success will be judged by your ability to create a reliable, data-driven system capable of efficiently detecting DDoS attacks in a small-scale network.

...single-spaced book centered around the social and family drama genre intended to be published in hardcore, paperback, ebook, and audio formats. The story will revolve around friendships shaped by external societal pressures and the effects of biases in the workplace. You will receive a 17-page outline, including characters and relevant scene outlines that shape the story. Key Responsibilities : - Develop a rich and responsive narrative from the synopsis, chapter outline, and characters developed already - Portray complex characters and their journeys meaningfully. - Reflect societal pressures and their impacts on friendships effectively. - Position characters to be long-lived where their stories and friendships continue in future work and other mediums such as a film, TV series...

Please read completely before placing a bid ! Please bid only if you also plan to respond... Please someone who is interested in doing several projects Please make realistic offers and no fake offers where the price multiplies afterwards. Please keep in min...to change simple seasonal themes e.g. Halloween, Christmas - Adjustments to the invite system and registration - Add Online Check for .NZB Files - Bring changes online and then make any necessary adjustments - including source code, properly documented While my initial security needs are basic, I appreciate the attention to detail and a proactive approach to potential vulnerabilities. Help me develop an efficient, effective search tool for Usenet lovers! Since you have read everything, please write the word "SabNZBd&qu...

As a content coordinator and copywriter writer for a diverse range of websites, I need an expert who can take charge of website content creation and provide clear guidelines for developers to complete the website projects. Key Responsibilities: - Develop website content that aligns with our target audience. - Create clear and concise guidelines for our web development team. - Ensure all content is SEO-friendly and helps to enhance online visibility. - Coordinate with clients to complete the website on time. Ideal Skills and Experience: - Proficient in content creation across various website types (AI tools provided) - Good background in digital marketing - Basic technical background in google analytics, WordPress, SEO, emails setup, hosting, etc. - Strong understanding of SEO a...

In need of a professional to develop a robust anti-cheat system coupled with an auto patcher. This is for my Massively Multiplayer Online (MMO) PC game. Key requirements: - Implement an advanced anti-cheat system. - Develop an auto-patcher for seamless updates. - Have MMO game platform expertise. - Prior experience with PC game security is essential. Seeking a professional familiar with the security issues related to MMO games and can deliver high-quality, secure gaming experience for our players.

I'm in need of a proficient software developer skilled in creating efficient desktop applications. The application will be mainly used on the Windows operating system. The core function that this app needs to provide is task management. Key Responsibilities: • Develop a high-performance, user-friendly task management desktop application. • The application needs to be highly usability-focused and intuitive. • Ensure high performance and responsiveness of the software. • Maintain quality and ensure responsiveness of the application. Ideal skills: • Exceptional knowledge in coding for desktop applications. • Previous experience in creating Task Management tools. • Proficient understanding of Windows desktop environment. • Good com...

I am in need of a specialis...System (LMS), Cornerstone, to another organization's Cornerstone LMS platform. Your responsibilities will include: - Transferring all current user accounts - Transferring all existing course materials - Migrating assessments and quizzes Ideal Skills: - Proficient in both Cornerstone LMS platforms - Completed similar migrations in the past - Knowledge of LMS user management, course design, and quiz/assessment setup - Attention to detail ensuring no data loss during transfer This migration project requires a nuanced understanding of the Cornerstone LMS, an eye for detail, and confidence in both data handling and transferring to minimize any disruptions. Please feel free to bid if you have relevant past experience in LMS migrations, specifical...

I am in need of an experienced Lua coder to develop a Lua script specifically for a set of spur gears in Icesl. Key Requirements: - Design and implement Lua code that controls the rotation of the spur gears. The gears should be able to rotate smoothly and accurately. - The script should allow for the adjustment of the size of the gears. This will be a key feature in the final design, so it's important that the code is able to handle this functionality effectively. - The ability to provide a basic level of interactivity within the gear set. This might involve some form of user control or dynamic response based on certain inputs. Ideal Freelancer: - Proficient in Lua and experienced in working with Icesl. - Strong knowledge and understanding of gear mechanisms, particularly s...

I'm seeking a skilled Laravel developer to add substantial features to my existing law firm management system. Urgently needed. Key requirements: * Expertise in Laravel * Prior experience with legal or similar management systems * Comprehensive understanding of how to develop and integrate specific features

More details: To create a dating app similar to Bumble Bee using React Native, Here's an outline of what i'll need: User Authentication: Implement user authentication features such as registration, login, and password recovery. You can use Firebase Authentication or other authentication services. User Profiles: Allow users to create and edit their profiles. Include features like uploading profile pictures, adding bio information, and setting preferences. Matching Algorithm: Develop a matching algorithm to suggest potential matches based on user preferences, location, interests, etc. You may consider using machine learning algorithms or predefined rules. Geolocation: Integrate geolocation services to find and display nearby users. This feature is crucial for matchi...

I'm looking for a developer capable of creating a crash game prediction application for Android. The software should possess capabilities for historical data analysis and game result forecasting. Key features include: - Utilizing game statistics: The app should efficiently analyse and utilise game statistics to forecast results. - Forecast game results: The application should effectively predict outcomes based on analyzed historical data and present trends within the games. The ideal applicant should have experience in developing similar systems and a deep understanding of data analysis algorithms. Experience with gaming or betting systems would be a plus. Familiarity with Android application development is a must.

...mobile app developer to build an Android application for food delivery. The primary focus of this project is to create an app that offers an engaging user interface and efficient user experiences. Key Functionalities Needed: - Menu browsing and ordering: The application should allow users to easily view and place orders from a variety of menus. Preference for developers with experience integrating smooth and straightforward ordering processes. - Real-time order tracking: It is crucial for users to be able to track the progress of their orders in real-time. Experience designing and implementing effective order tracking systems will be highly advantageous. Please note, while not explicitly mentioned in the key functionalities, the ability to integrate future upgr...

I am looking for an experienced course creator who can efficiently develop a comprehensive beginner's course focusing on Cryptocurrency. The key responsibilities will be: - Design and develop high-quality text-based content following a logical progression for beginners in the Cryptocurrency space. - Creating clear, succinct, and engaging content for learners who are completely new to this field. Ideal candidate qualifications: - Proven experience in course creation, specifically in the area of Cryptocurrency. - Excellent writing skills. - Ability to simplify complex Crypto terminologies for beginners. - Deep understanding of Cryptocurrency and the broader fintech industry. By delivering a high-quality course, you will be contributing to a project that demystifies C...

I'm looking to develop a versatile and user-friendly photo editor app, primarily for mobile devices. The key features I'm aiming for include: - Cropping: Users should be able to easily crop their images to the desired dimensions. - Color Adjustment: There should be options for adjusting brightness, contrast, saturation, etc., to enhance the quality of the image. - Filter Effects: A range of creative and appealing filter effects should be available for users to apply to their images. Ideal candidates for this project should have experience in mobile app development, particularly in the photo editing space. A strong understanding of UI/UX design principles will be crucial to ensure a smooth and seamless user experience. Proficiency in supporting multiple file...