项目内容 开发一个微信公众服务号，使得微信用户可以模拟车牌竞投过程和查看模拟结果。 * 界面比较简单 - 用 Sencha Touch 开发。只有一个模拟竞价页面和一个模拟竞价结果显示页面。两页面需要整合到微信服务号菜单。 * 后台用Java和MySQL开发。与微信公众平台对接。用JSON数据格式接收竞价页发来的数据，保存到数据库，以供结果页查询。 项目状态 * 目前已经写了一部分代码，页面有雏形，但需要整理，细化和美化。服务器端已经有代码可以连结微信公众账号，需要写业务和数据库操作逻辑。 自由职业者要求 技能 - 有 HTML5/JavaScript，Java 和数据库开发经验。有iOS 和 Android 开发经验优先考虑。最好移动App前端界面设计能力。 最好是在广州/佛山地区附近，寻求长期合作可能。
整个产品拍卖系统采用B/S结构、J2EE技术框架，采用基于J2EE技术是为了充分利用众所周知的Java所具有独特的跨平台的优势。 技术框架流程 技术标准 1．基于J2EE的技术标准 2．基于SOA的标准 3．基于XML的技术标准 4．缓存技术 5．Comet技术 逻辑层采用Spring 3.0技术，主要实现对数据层的操作、事务管理及系统调度等。 持久层采用OR-MAPPING工具Ibatis 来完成与数据库、缓存池的交互。 控制层采用Struts2.3.4 来完成与数据库、页面的交互。 系统安全控制采用目前业界优秀的安全组件Acegi Security来保护网络资源及领域对象。 数据访问接口采用符合SOA（SCA ）标准的JAVA +Webservices（Xfire） + XML技术 。 客户端与服务器的数据交换采用缓存技术（Ehcache）减少数据库服务器的压力，并提高客户端和服务器端交互效率。
I'm in need of a skilled web designer to help me enhance the mobile responsiveness of my website. Key Requirements: - See attachments for mobile formatting instructions (mobile only, desktop view should not be modified) Ideal Skills and Experience: - Experience in designing and optimizing websites for mobile devices is a must. - Proficiency with HTML, CSS, and website design principles is essential. Please pay careful attention to the details provided in the attached markup and follow the instructions closely. It's important that you follow the direction given to maintain the overall aesthetic and functionality of the site. I look forward to seeing your proposals.
...Meta Quest platform for interactive apps. Key Requirements: - Develop an interactive VR experience that's engaging and user-friendly - Implement VR specific mechanics, such as gaze-based, hand-movement interactions, and intuitive controls - Incorporate high-quality visuals and 3D environments that are optimized for VR - Design and integrate a variety of unique and interesting avatars that the player can interact with - Ensure the app is suitable for a single user experience Ideal Skills and Experience: - Prior experience in developing VR games, ideally for Meta Quest - Proficiency in Unity or Unreal Engine (or other relevant game development engines) - Strong understanding of game design principles, particularly in the VR space - Experience with creating and integrating 3...
...developer, with strong skills in React.js, Java, and PostgreSQL, to work on a unique platform aimed at providing detailed information about various dormitories. The project revolves around developing user-friendly search functionalities and creating an engaging interface to compare various dormitories. Key Features: - User registration and login system - Detailed search functionality for finding specific dormatories - Comparisons between dormitories, based on user-specific parameters like price, location, user reviews and extras like Wi-Fi availability, breakfast and other services - Information display in a grid view format The ideal candidate should have relevant experience with frontend and backend development, a solid understanding of React.js, Java, PostgreSQL and a...
I'm looking to create an engaging and comprehensive online training module specifically designed for new employees in the food industry. The training must cover the key aspects of food safety and hygiene, product quality control, food handling and storage, as well as GFSI management systems. The ideal candidate for this project should have a robust knowledge of these themes and wide experience in creating digital training materials. Ability to transform complex ideas into easily digestible content is a must. Fluency in Spanish, as this course will be delivered to a Spanish speaking audience, is a must too.
...programmer to help me create a mobile game with a strategy genre. The ideal candidate for this project should have the following qualifications: - Proficiency in C++, Java, and Python, as these are the languages I'm familiar with and would like to use for this project - A proven track record in developing mobile games, with a preference for strategy games - Strong understanding of game design principles and mechanics - Ability to work collaboratively, take direction, and provide valuable insight and feedback - Excellent problem-solving skills and a keen eye for detail If you have the necessary skills and are passionate about creating engaging, high-quality mobile games, I'd love to hear from you. Please provide examples of your previous work, part...
...This includes the name, date of birth, nationality, and any other relevant data. - The system should support Turkish passports primarily, but it would be a plus if it could also handle passports from other countries. Working principle: _ The mobile application will read the passport from the mobile camera, and the application will read MRZ lines. - The mobile application will generate a passkey (from mrz lines) to read the RFID passport. - The mobile application will send the passport data to a given web service. Ideal Skills and Experience: - Mobile App Android application development. - Proficiency in RFID technology and passport reading mechanisms. - Previous experience in developing similar systems. - Knowledge of Turkish passport formats and RFI...
...calculator for estimating materials, ensuring compatibility with the old CRM and website in Laravel. 26a. Update the Enquiry database to save enquiries from the website Estimate Calculator form in Laravel. 27. Work on integrating a map to visualize data in Laravel. 28. Implement CRUD functionality for Email Templates in Laravel. 29. Allow selection of email templates within the current module and associate specific module items with them in Laravel. 30. Integrate SMTP for email sending in Laravel. 31. Enable editing of email templates and sending emails with edited images attached in Laravel. 32. Investigate and resolve any code errors and relationship issues between site visits and jobs, ensuring the proper attachment of site visits to jobs in Laravel. I expect you to in...
...fixes to ensure responsiveness, optimal speed and performance. Project details: The website will showcase "stories" of individuals in need, providing visitors with the ability to make donations. Individuals in need will be able to complete multi-step forms to submit all required data (images / texts / documents) for story creation. These data should be listed / displayed on a custom backend module as lists, enabling administrators to utilize them for manually creating each story's page. Admins should be also be able to view and edit stories details as well as list, sort, and filter stories by various statuses (completed, pending approval, draft etc.) Admins should then be able to use these data to manually create some custom post type stories, such as the fol...
...provide a sound alert to notify me. Key Details: - The program needs to be fast to cater for frequent changes in millisecond time-frames. - I don't have a preference for a programming language. Python, Java, and C++ are all acceptable. - At this stage, I'm unsure which order flow software I'll be using. Therefore, the program needs to be built with adaptability in mind to synchronize smoothly with any potential order flow software. - A sound alert should be triggered whenever a three-digit number pops up. Ideal Skills and Experience: - Proficient in programming languages (especially Python, Java, C++) - Experience in developing real-time monitoring software - Understanding of trading platforms and order flow software - Excellent problem-solving abilities...
I'm in need of an experienced Java Script developer that can resolve a peculiar issue with my implementation. Here are the specifics: - All of the data I'm showcasing are ALL DAY events. - The events are not appearing in the Week and Day views, however, they do display as expected in the Month and List views. - I am using a version of that's not the latest. I'm looking for a professional who can: - Investigate the issue and implement a fix to ensure the ALL DAY events are correctly displayed across all views. - Offer advice on whether updating to the latest version of would help address the problem. The ideal candidate should have: - Profound experience in Java Script development. - A deep understanding of functionalities and
...development of APIs and their integration into a mobile app. Key Tasks: - Developing APIs: The primary task is to develop APIs that are robust, secure, and efficient. - Mobile App Integration: The APIs need to be seamlessly integrated into a mobile app, ensuring that they function optimally and provide a smooth user experience. Skills Required: - Proficiency in NodeJs: The ideal candidate should have extensive experience working with NodeJs to develop APIs. - Mobile App API Integration: Previous experience integrating APIs into mobile applications will be a strong advantage. - Android and iOS Development: Being able to develop APIs for both Android and iOS platforms is essential for this project. Your expertise in API development and mobile ...
...who can create a custom module for tracking referrals. Here are the main aspects of the project: We are creating a system to efficiently reach out to a large list of financial advisors and encourage them to refer their clients to us as new leads. Using Zoho CRM, Zoho Campaigns, and Zoho Analytics, this system will manage our outreach and track referrals. Financial advisor list will be imported into Zoho Campaigns. A select number of contacts will be added to an initial 6-week weekly campaign, and once completed, they will move to the 24-month campaign. In Zoho CRM, a custom module called "Partners" will be created to manage financial advisors who respond to our email campaign. When an advisor refers a client, we will manually enter the lead into the Leads ...
Looking for an android developer Java,Kotlin,JSP, Servlets, MQ series, Hibernate, Python, Microservices, Swings, WebSphere-Portals, HTML5, Bootstrap, JavaScript, Bigdata, Linux Frameworks Android Mobile App Development, Spring boot, Struts, Hadoop This will be ongoing
As you know, Magento displays the lowest priced simple product associated with configurable products. we want the price of a specific child product to be shown. There are modules designed for this, known as configurable preselect, but I couldn't get it to work. Although there are settings in the module for category or listing display, the preselect feature that works on the product detail page does not work on the category page. Can you solve this problem?
I'm looking for an experienced developer who can create a web and mobile application for a community-based project. This is a multifaceted project with a variety of requirements that aim to promote user interaction and engagement within the platform. Features & Modules: - User Registration & Login: A seamless process that allows users to sign up and access the platform with ease. - Messaging System: A built-in messaging system that enables users to communicate with each other. - Forums for Discussions: A space where users can create and participate in discussions, fostering a sense of community and collaboration. Third-party Integrations: - Payment Gateway: Integration of a payment gateway to facilitate any financial transactions that take place within the platform. ...
I'm in need of an experienced UI/UX designer with hands-on Developing skills using ReactNative. The mobile app will be developed for both Android and iOS platforms. Looking for support for Revamp work. If you're well-versed in these elements and have a knack for intuitive, user-friendly design, I'd love to see your portfolio and discuss this further. Location - Bangalore Ideal skills: - ReactNative development experience - UI/UX Design - Android and iOS development References of projects with a modern and sleek design would be a plus.
I'm in need of an experienced Android developer to create a productivity app that primarily focuses on calculations. Key Features: - The app will be centered around calculation functions - Users should be able to make basic arithmetic calculations - The app needs to be user-friendly and intuitive for quick...primarily focuses on calculations. Key Features: - The app will be centered around calculation functions - Users should be able to make basic arithmetic calculations - The app needs to be user-friendly and intuitive for quick calculations Ideal Skills and Experience: - Strong background in Android development, proficient in Java or Kotlin - Previous experience building productivity apps - Prior experience working with calculation functions - A good understanding of UX/UI...
I'm seeking a project manager with a strong background in IT, particularly in networking and infrastructure. As a key player in the role, you will be expected to manage datacenter transfer project, as well as troubleshoot network problems efficiently. Superior skills in datacenter management, risk assessment, mitigation, and cross-cultural communication would be highly beneficial. Since we will be working on ground in Iraq, you should have previous experience managing similar projects and be comfortable navigating through potential risks and issues.
...video tutorial focused on Microsoft Power Query. Key Features: - User-friendly interface - Capabilities to import data from various sources - Customizable course structure The ideal candidate should have the ability to break down complex concepts and make them easily understandable. The course content should cater to beginners and intermediate level learners. Course Duration: Each video course module should be crafted with the target of a total duration amounting to 3-4 hours. This could be composed of several shorter lessons or modules, for easy consumption and better learning experience. Required Skills: - Strong knowledge of Microsoft Power Query - Proven experience in creating video courses - Excellent communication skills - Capable of producing content that caters to v...
I'm in need of a professional mobile tester to ensure my app runs smoothly and user-friendly across all devices. Key Responsibilities: - Perform functional testing on both Android and iOS operating systems - Execute usability testing on smartphones, ensuring a seamless user experience Skills and Experience: - Proven experience in mobile app testing is a must - Good knowledge of both Android and iOS platforms - Prior experience with usability and functional testing - Attention to detail and ability to identify issues - Experience with testing on smartphones This is a fantastic opportunity for a detail-oriented tester to be a cornerstone in the quality assurance phase of our project. Your expertise will be essential in guaranteeing the app's success, so please mak...
...want is a simple, yet engaging question-based game for the mobile platform. - **Game Theme**: The game should be designed around a theme or subject matter that can captivate a broad audience, including kids, teenagers, and adults. Therefore, a versatile and engaging theme is essential. - **Game Mechanics**: The core gameplay loop of the game is centered around presenting the player with a question on the screen, along with four possible answers. The player must select the correct answer out of the four options. The game should be designed in a way that the questions are challenging, but not insurmountable. - **Platform**: The game will be primarily developed for mobile devices. It's crucial that the game is optimized for mobile play in terms ...
I am in the market for a skilled and experienced mobile app developer who can design an e-commerce app for both iOS and Android platforms. Fundamental Elements: - A functional and intuitive shopping and delivery app with different vendors Key Competencies: - Proven experience in e-commerce app development - Expertise in building apps compatible with iOS and Android - A keen understanding of user experience and app functionality to create a simple yet efficient shopping app system Your goal will be to deliver a high-quality, user-friendly e-commerce app that prioritises a smooth shopping experience for users. If you are knowledgeable in this domain and have a knack for creating effective e-commerce platforms, I would be interested to hear from you.
There is issue with content loading that needs to be boosted performance wise.
I'm in need of an experienced Drupal 10 developer to assist with a new saas website construction from the ground up. The tasks will mainly revolve around theme customization, module development, and general site maintenance. This contract will be 3~6 months. Write "Lang" on top of your bid if you are a bot. Skills and experience needed include: - Proficiency in Drupal 10 - Strong background in theme customization - Proven experience in module development - Ability to carry out site maintenance effectively Looking forward to your bids!
...livestream mobile iOS platform. We have a dev team of React Native developers who will be managing and coding. We are an inclusive, passionate, lean, agile startup looking for fun, intelligent, hardworking and committed people to join our team. Minimum Qualifications: BS degree in Computer Science or the equivalent hands-on experience Responsibilities: • Work with mobile team to design and implement features • Build and maintain HTTP APIs • Participate in the definition of new mobile features and experiences • Fix bugs and improve performance • Requirements • Node.js • MongoDB • Experience building RESTful APIs • AWS (EC2, Elastic Beanstalk) • Source Code Control (Subversion, Git) Preferred skills and experi...
I'm looking for a skilled AR developer to create an engaging augmented reality experience aimed at improving product visualization. The main goal is to allow users to view and interact with my products in an innovative way. The AR experience needs to be targeted specifically for mobile devices, ensuring a broad reach for potential customers. Key Requirements: - Expertise in AR development and mobile platforms - Previous experience in creating engaging product visualization experiences - Ability to design and implement an interactive AR system - Familiarity with automatic context-based interaction in AR The successful freelancer will need to bring a creative touch to this project, ensuring that the product visualization is not only accurate but also captivating for the ...
I'm in need of a skilled app developer to bring my taxi booking app vision to life. The app's primary function is to allow users to book taxis. Key Features: - GPS Tracking: The app must have a GPS tracking feature to locate user's positions and taxi locations. - Payment Integration: Users should be able to make payments through the app. - Driver Ratings: The app should allow users to rate drivers after their ride. If you have experience with taxi booking app development, especially in integrating GPS tracking, payment gateways, and ratings systems, I'd love to hear from you. Please include any relevant work you've done in the past.
I'm in need of a skilled programmer to develop a script that can serve as both a Man-in-the-Middle (MITM) and a Reverse Proxy tool. The primary goal of this script is to assis...restrictions. Key Project Requirements: - The script should be compatible with Windows, MacOS, and Linux. - It should effectively intercept network traffic and support the following network protocols: HTTP, HTTPS, and TCP. - The script should also have the capability to act as a Reverse Proxy tool when needed. Ideal Skills and Experience: - Proficiency in programming languages like Python, C++, or Java. - Experience in developing network security tools or reverse proxy systems. - Knowledge of network protocols and their interactions. Please, only bid on this project if you have the necessary skills ...
This project entails the creation of an intuitive mobile application available on both iOS and Android platforms. The app should have distinct features such as: - User login and registration - Push notifications - In-app messaging - Instant task and task status updates - Task-wise inventory functionality - Task completion insights - Features to highlight incentives, with filtering options based on locality Additionally, a functional CRM system is desired for: - Monitoring customer interactions - Generating sales reports - Streamlining contact management, and - Real-time tracking of earnings and redemptions. Ideal candidates for this project should have experience in mobile app development, CRM systems, and a deep understanding of customer operations. Proficiency in...
Hi! Good day! • ...Can we do a quick chat right now so that we can discuss the project briefly? == TOOLS = || In Design || Adobe XD || FIGMA || WIREFRAMING|| PROTOTYPINGl || Thanks & Regards Harry
...experience with Web3modal to help me fix some critical errors on my website. Currently, I'm facing a 'TypeError Failed to Resolve module specifier' message, as well as some minor syntax and runtime errors. Key Requirements: - Proficiency in Web3modal and JavaScript - Experience in resolving syntax errors - Expertise in handling JavaScript runtime issues The project mainly focuses on the homepage of the site, where these errors are most prominent. You can check out a demo of the site should look like at web3modal.com. If you are interested, I'll provide you with the GitHub link to my own project. Your role will be to: - Identify and fix the 'TypeError Failed to Resolve module specifier' issue - Address any syntax errors affecting the site�...
I'm looking for an experienced professional to help me fully configure my Google Shopping account using the Google Shopping module on my Prestashop store. Somehow feeds are not running very good. Key Responsibilities: - Update/repair the existing product data feeds in my Prestashop store - Setup and optimize Google Shopping campaigns to increase online sales Ideal skills and experience: - Extensive experience with Google Merchant Center and Google Shopping - Proficiency in using Prestashop and its modules - Proven track record of driving online sales through Google Shopping
Our mobile website is facing issues with slow loading times. This is primarily due to the presence of scripts, images / embedded videos. To address this, we're looking for an experienced professional who can optimize the website's speed while maintaining its mobile responsiveness. - Ensure that the site remains fully responsive on mobile devices post optimization and the loading time in less than 3 seconds. Your primary goal should be to enhance the overall user experience on the mobile platform. You will be instrumental in making our site more user-friendly and improving its overall performance.
The developer should have the following skills and experience: 1. Proficient in Java, Kotlin and other programming languages; 2. Have a deep understanding of Android platform, familiar with Android SDK and related tools; 3. -- If you have an already published app you can! Out -- for s-a-l-e! . If you are interested, please feel free to contact us and look forward to further communication with you.
I'm searching for an experienced Android developer to work on a self-help app that...app is to track the user's progress. Key Features: - User Registration and Login: The app should incorporate a straightforward registration and login system to ensure user engagement. - In-App Purchases: It's essential that the app supports in-app purchases to enable users to access premium content or features. The developer should have the following skills and experience: 1. Proficient in Java, Kotlin and other programming languages; 2. Have a deep understanding of Android platform, familiar with Android SDK and related tools; 3. -- If you have an already published app you can! Out -- for s-a-l-e! . If you are interested, please feel free to contact us and look forward to furthe...
Fix related issue in the module. Authentication, column view issue. Able to follow to fix one by one and with ftp
I'm seeking an Android developer with a strong grasp of Java programming, Android SDK, and UI/UX design for a straightforward project. Key Features: - The app should be capable of user authentication. Primary Goal: - The main objective is to create a basic calculative with admin approval of features and scrollong images which can be changed application. App is similar to video attached The ideal candidate will have experience in developing clean, user-friendly Android applications with a focus on accurate calculations. Experience in UI/UX design is a plus, as we aim to provide a sleek and intuitive user interface.
We are seeking a skilled developer to create a self-service car wash system that can be used on both Android and iOS platforms. The system should allow users to eas...stations, select their preferred service package, make payments, and receive notifications. The ideal candidate should have expertise in Android and iOS app development, as well as experience with GPS integration, payment gateways, and push notifications. 1. At least 2 years of experience in Android application development 2. Proficient in Java or Kotlin programming languages and Android development tools and frameworks 3. Have a certain understanding of mobile application design and user experience 4. If you have published applications for s-/--a--/--l---/-e, I am interested and look forward to further commu...
...need of a mobile app/portal that can serve as a bridge between our warehouse and our customers. Key Features: - Item Tracking: The app should allow customers to track their items efficiently. - Stock Management: A crucial aspect of the app is its ability to provide real-time stock information to customers. - Order Placement: A user-friendly, intuitive order placement system is essential for smooth operations. Item Tracking: The items to be tracked within the app include products, inventory, and packages. It's imperative that this tracking system is accurate and real-time. Access: I envision this app to be solely accessible through mobile devices. The interface should be optimized for mobile, offering a seamless experience for our customers. Ideal Skills:...
I desperately need to get apps, especially those available on the Google Play Store. My interests lie in a broad range of application types, including gaming, tools, lifestyle, entertainment, and news applications. All applications except finance, wallpapers. And requires a certain amount of downloads. key point: Have a certain number of downloads - The apps should be available on the Google Play Store. Make sure the source file signature file is complete. - I am particularly interested in games, tools, lifestyle, entertainment and news apps. Your role is to sell me the rights to your application. Experience using applications in these specific categories (games, tools, lifestyle, entertainment, news) will be a major advantage.
I am in need of an experienced mobile application developer who can assist me with a trading application project. Key Requirements: - The application needs to be compatible for both iOS and Android platforms. - Proficient in delivering high-quality mobile applications with optimal user experience. This project includes three main features: - Real-time stock prices: The app should provide real-time updates for stock prices. - Portfolio management: It should assist users in managing their investment portfolios efficiently. - In-app trading: Users should be able to execute trades within the app. Additional Features: - Price alerts: The app must send out alerts about significant price changes. - News alerts: Notifications for essential financial news. - Social trading: It mu...
...Rest Assured to implement it in an API testing project at work. Key Requirements: - Experience in Java, BDD, Serenity framework, and Rest Assured - Able to guide and teach on: - Understanding an automation project - Creating and executing tests - Reporting - GIT Integration The project is centered around API testing, so any specific experience here is a plus. I'm looking for a patient, experienced professional who can help me grasp the fundamentals and guide me through the intricacies of implementing automation with the mentioned frameworks. There are existing scripts in place which I need to understand and also create new scripts and execute on my own. Ideal Skills: - Strong Java background - Experience in BDD - Expertise in Serenity framework and Rest As...
Looking to get some quotes on creating an app for me. Ideal candidates for this project should have experience in developing user-friendly mobile applications, particularly for information sharing purposes. Strong skills in UX/UI design will be a big plus. Strong problem-solving skills, attention to detail, and the ability to work independently are essential.
...lineups for Daily Fantasy Sports. This requires a strong grasp of the rules and structures of both DraftKings and FanDuel. - The optimization process needs to consider several factors, including player performance, opponent performance, and injury updates. These variables are essential in creating lineups that have a high probability of success. Ideal Skills and Experience: - Proficiency in Python - Prior experience with Autogluon - A deep understanding of MLB and NBA statistics - Familiarity with Daily Fantasy Sports, particularly DraftKings and FanDuel - An ability to interpret and incorporate player performance, opponent performance, and injury updates into the lineup optimization process. If you fit these criteria and are excited about the prospect of combining sport...
Only developer who can work with ftp. Follow to solve issue one by one, not asking to share all :) Work is estimated 1-2days depends on how fast you fix it. Fixing issue in one and related module. Thanks.
I'm looking for a skilled professional who can solve advanced level CTF challenges, in various categories. I need someone who can tackle challenges in Web Exploitation, Binary Exploitation, Cryptography, as well as other categories like web, forensics, osint, and more. Key Responsibilities: - Solve advanced level CTF challenges ...experience with CTF challenges - Proficiency in solving challenges in Web Exploitation, Binary Exploitation, Cryptography, web, forensics, osint, etc. - Proven track record of solving advanced level CTF challenges - An understanding of security concepts Please note that the specific programming languages or platforms to be used in solving the challenges are not specified, but your background in Python, Java, C++, Ruby, or other relevant languages ...
I'm looking for an AI/ML developer to work on a research and development project. The goal is to develop an AI module that can recognize a birds-eye view of a forest. The module will be tasked with: - Identifying tree species - Monitoring forest health - Counting trees - Measuring tree height The AI module will have access to various types of data to perform these tasks, including aerial images, satellite images, and drone footage. The desired level of accuracy for this AI module is moderate. The ideal candidate should have: - Strong AI/ML development background - Experience in image processing and recognition - Familiarity with working on forest/environmental monitoring projects would be a plus.
I'm in need of a mobile chat application development, with specific functionalities that cater to my needs. Interested freelancers should have a vast understanding of mobile chat app development, and a keen attention to detail. Here are the key features needed: - Group Chats: The application should support communication among a group of people. A solid grasp on managing larger group dynamics within chat applications would be beneficial. - Emoji Support: The application should support the use of emojis for enhanced and fun interaction. Prior experience integrating emojis into mobile applications is highly preferred. Overall, this is a project that requires a specialised set of skills in mobile app chat development, experience in group chat dynamics, and ...
