Mortgage payment calculator java graphical user interface jobs
I'm in need of a PDF writer that goes beyond the standard functionalities. The system should offer basic editing capabilities, allow for easy conversion to different file formats, and provide the ability to protect PDFs with passwords. OS COMPATIBILITY: The software needs to be compatible with Windows and Linux. IDEAL INTERFACE: The UI should be simple and minimalistic, ensuring ease of use for the end user. In summary, I'm looking for a highly skilled developer who can design and implement a versatile PDF writer to meet these specific requirements. The ability to deliver this on a fast track basis will be crucial.
I'm seeking a talented game developer to develop and promote two downloadable games incorporating pro-democratic, anti-war, critical thinking, and personal security messages through an engaging entertainment-focused interface targeting youth. This project will require a robust understanding of game design, mechanics, and pixel art techniques. Ideal Skills: - Proficiency in game design and programming - Experience in creating pixel art assets - Proven experience in creating engaging adventure games - Ability to create a bright and happy atmosphere What You Will Do: - Develop an engaging adventure indie game - Create and implement pixel art-style graphics
I'm looking for a skilled designer to create a brand-new logo for our video company, Simtech V. The logo needs to reflect a sleek 'techno' feel, while encompassing the sophistication associated with our brand. Key Requirements: - I want the company's name, Simtech V, to be incorporated into the logo, with a particu...beneficial. Our sister Company is Simtech X which is used for coding and Programing We would like a Similar Theme Look with a V at the End We looking maybe at the Theme Colors of Purple , Black and White We open to new ideas and creativity and Suggestions if any Some ideas are attached as well This project not only demands Graphical and Artistic proficiency, but also a creative flair. Only apply to contest if u feel have the...
I need an AEM expert with specific experience in Dynamic Media implementation, as well as strong Java, Vue, and JavaScript skills. The project will involve a mix of backend and frontend tasks, and I'm looking for someone who can work with me on this for 3-6 months. Key Requirements: - Adobe Experience Manager (AEM) expertise - Dynamic Media implementation experience - Strong Java, Vue, and JavaScript skills - Ability to work on both backend and frontend tasks - Available to commit to 3-6 months of work Please only apply if you have the appropriate skills and are able to commit to this time frame.
...should have: - Proficiency in desktop application development, with a specific focus on Windows OS - Expertise in creating systems with robust employee management capabilities - Experience in payroll processing and tax calculations Key Features: 1. Employee Management 2. Payroll Processing 3. Tax Calculation 4. ESI, EPF, LWF Calculation Your main task will be to design and implement a user-friendly interface that makes it easy to manage employee information, process payroll, and calculate taxes efficiently. The application should also be able to handle ESI, EPF, and LWF calculations. Please note, the application should be tailored for desktop use only, and should be specifically designed to work seamlessly on Windows operating systems. If you believe you have the ex...
I'm looking for a skilled Java developer to integrate the Coinbase, Kraken and many other cryptocurrency APIs into my project. Key Objectives: - Integration of Coinbase, Kraken APIs and many other's exchanges api's - Implementation of wallet balance retrieval functionality Ideal Skills: - Proficient in Java programming - Experience with cryptocurrency exchanges and APIs - Prior work with well known crypto exchange's APIs preferred - Strong understanding of API integration and security Please provide examples of similar projects you've worked on and your approach to API integrations. Your ability to meet the project's technical requirements and ensure security will be crucial.
I am seeking an experienced Podia expert to assist with adding the finishing touches to my design of my website. Key Responsibilities: - Implementing an intuitive, attractive and effective website design on Podia - Ensuring a user-friendly and engaging interface for potential customers Ideal Skills: - Proficiency in using Podia - Proven experience in website design, particularly with an e-commerce focus - Strong understanding of user experience and interface design I'm looking for someone who can ensure every aspect of my site is optimized for user interaction and conversion.
I'm searching for a skilled Android app developer to construct an...Instagram, focusing specifically on photo and video sharing features. Only front end work is required. Ideal Skills and Experience: - Android Development - Java or Kotlin - Familiarity with Instagram's functionality - UI/UX design implementation from provided specifications Tasks: - Implement a robust photo and video sharing feature - Translate my specific UI/UX design into an engaging user interface. I welcome developers with a solid track record in building interactive and aesthetically pleasing Android applications. It's essential to be proficient in either Java or Kotlin and have a solid understanding of Instagram to replicate its user experience successfully. L...
...an API. Key Requirements: - Development of a 'Report Phishing' button in the Outlook interface. - Action: Determines if emails is from us (simulation). If yes: our simulates phishing security test come with a special SMTP header. The add-in contacts us servers to record the action of the user in our admin console. Then, the emails gets deleted from the user's inbox. If not: the email could be a legit email, ould be spam or a real phish. The email is sent directly from the user's email client yo our admin consol. Then, the emails gets deleted from the user's inbox. - User notification: A pop-up window should appear to confirm the report. Additional Features: - An email template should open for the user to provide additional detai...
...auction marketplace with a mobile app for both iOS and Android. Essential Features: - User Registration and Login: The platform should have a seamless and secure user registration and login process. - Product Listing and Bidding: Users should be able to list products for auction and bid on items. - Payment Processing: There should be a secure payment gateway integrated into the system to facilitate transactions. - Post Labels API Integration: The platform should support API integration for post labels. - Full Custom Work and Exclusive Code: I'm looking for a fully customized solution that is unique and exclusive. Design Requirements: - Simple, Intuitive Design: The interface should be user-friendly and easy to navigate. - Compe...
...Figma, serving as a blueprint for the envisioned functionalities and user interface. However, while the prototype sets the framework, we encourage creative flexibility in the actual implementation. The primary goal is to ensure that all essential elements outlined in the prototype are seamlessly integrated into the final product. Furthermore, the development of this digital memorial will be executed using C#/.NET framework. This choice of technology offers robustness, scalability, and versatility, aligning perfectly with the project's objectives. In addition to the project description, here are some of the tasks you'll be undertaking to give you a better understanding of the project scope: You will need to implement: User login and registration functio...
I'm on the lookout for a specialist who brings proficiency in both ASHLAR and MIST to the table. Your main objective will be: - Create a small demo App using VB.NET to illustrate implementation of...explanation are available on various sites : Purpose is to understand and learn these two techniques, in VB.NET. It is quite possible that we may find an expert of ASHLAR, but they may not know VB.Net. ASHLAR and MIST are both in JAVA... I will accept if some one can make a simple demo app in JAVA also, My aim is simple to understand this technique and also to see this in practical demonstration using sample Images. Not too strict about text in Project Details.
...understanding of MySQL and APIs • Project Objectives: 1. Job Search Functionality: Incorporate an effective search feature powered by job title or keyword, location, and industry or department filters. 2. Resume Submission and Storage: Establishment of a user-friendly interface that allows effortless resume submission and secure storage. 3. Application Tracking System: Implementation of a reliable tracking system to manage and monitor application statuses. The module should sport a clean and minimalist design, emphasizing utility and user engagement. The ideal freelancer would have previous experience with platform and job module implementation. I have enclosed the detailed requirement in the document. Let's craft a streamlined job-search experien...
...skilled WordPress developer to build a website for , a company specializing in property and business loans overseas. The website should support multiple languages and feature a multi-currency loan calculator, secure loan application processing, and user account management. Objectives: Develop a clean, professional-looking website using WordPress. Include key functionalities such as a loan calculator, multi-language support, secure application forms, and customer login areas. Required Features: Multi-currency loan calculator Secure application processing User registration and management Responsive design for all devices SEO-friendly structure Skills Required: Proficient in WordPress, PHP, HTML, CSS, and JavaScript Experience with financial services ...
...can bring a fresh perspective to our user interface. Your tasks will include: - Visually enhancing the dashboard. Bring creativity and flair, while maintaining an intuitive layout. - Writing unit tests to ensure robust functionality. We require: - A strong understanding of React/, with experience in designing attractive and effective UI. - Proven record in UI/UX design and improvement. - An eye for aesthetics, understanding of color schemes, typography and overall design principles. - Experience in writing unit tests within a React/ environment. Overall, the aim is to refine the visual appearance of our React/ project and ensure any improvements are robustly tested. An individual capable of envisioning and implementing modern, user-friendly design elements would...
...estimated timeline is ONE day, if you have experienced in FlutterFlow.io. Below is the project description: -Output Build a component designed for writing and sending emails, featuring a rich text editor. Upon pressing a designated button, an email composition popup should appear on the right side of the screen. The design and user experience of this popup should be similar to the email writing interfaces used by Hubspot, and to a lesser extent, Google's email interface. This component should be capable of interfacing with Google or Microsoft's email APIs to send emails to chosen recipients. Configuring and integrating these APIs with the component, however, is not included in the scope of this project. - Skills and Knowledge: Familiarity with Flutter and U...
...Essential Tax Reduction Strategies for Dentists," requires a detailed review to ensure it is polished and ready for readers. Scope of Work 1. **Formatting:** - Formatting the text to meet Amazon's Kindle Direct Publishing specifications for both eBook and print versions. - Adjusting layout, fonts, headings, and margins to ensure a professional appearance. - Including any necessary graphical elements such as charts or images in high resolution. 2. **Final Review:** - Proofreading the final version to catch any remaining typos or errors. - Ensuring all content aligns with the latest Amazon publishing guidelines. **Deliverables:** - A final manuscript ready for submission to Kindle Direct Publishing with Barcode on back cover. - A formatted book in...
I'm looking for a talented UI designer who can help me redesign my Android app's interface. Specifics: - I want the Android version to retain the efficiency and elegance of the iOS app's UI. - The primary goal of this redesign is to enhance user experience, so I'm looking for someone with a strong background in user-centric design. - The current UI suffers from an inconsistent color scheme, so I need someone who can address this issue while ensuring a cohesive design across the app. Ideal Skills and Experience: - Extensive experience in Android UI/UX design, with a deep understanding of both Android and iOS design principles. - Proficiency in creating visually appealing, intuitive, and consistent UI designs. - Strong problem-solving skills, with a...
...on a dashboard and in case of low water levels, alerts must be generated. - This will require a familiarity with employing appropriate sensors, embedded systems, microcontrollers storing data in cloud, LoRa WAN, SIM communication and designing intuitive user interfaces for non-technical personnel. Ideal Candidate: - Experience in the design and development of monitoring systems., industrial grade embedded system, cloud storage, LoRa communication, PCB designing, programming etc. - Extensive knowledge in sensor technology and user interface design...
Requirements: 1. Analyze and understand how the code works 2. Setup environment and run all the microservices and frontends 3. Figure out how to add a channel
...browser extension for managing the size and positioning of browser windows. Project Goal: To create an extension that allows the user to adjust the size and positioning of one or several browser window tabs using predefined settings and customizable sliders. 2. Contractor Requirements Qualifications: Experience with native JavaScript and TypeScript. Knowledge and experience with React library and Node.js platform. Experience in developing Chrome browser extensions. Expected Skills: Ability to work with open source code on GitHub for modifications or writing new code from scratch. Ability to work independently and as part of a team. Experience in implementing user interfaces and APIs. 3. Functional Requirements Core Functionality: Development of 41 buttons with fixed p...
I'm seeking a skilled desktop software developer to create a robust recruitment agency software with advanced features. Key Features: - Candidate tracking: The software needs to efficiently manage candidate profiles, applications, and communication. - Job posting: A user-friendly interface for posting job listings, including editing and removing listings as needed. - Resume parsing: Ability to automatically parse and extract key information from resumes to streamline the recruitment process. - ATS: Incorporation of an Applicant Tracking System (ATS) to manage the hiring process from initial application to final placement. Platform and Integration: - The primary platform is desktop, so experience with desktop application development is essential. - While I haven't ...
I need a smart attendance system for College Student , main focus is Attendance on Different subject like DBMS , PYTHON , JAVA , Etc which utilizes facial recognition technology. Like I want to take Attendance for all the subjects, so in take attendance there should be a option or drop down for the list of Subjects You want take the Attendance Key Elements: - On the main page/home page I need user to register with there Name, Id ,Phone number - And then a Button to take attendance on different subjects using Facial Recognition , in which there should be a option or drop down for the list of subjects - And one main Feature is to show a Pie chart which represents how many students has attended DBMS class , Python class etc - Attendance should be saved in XL Sheet and Pie ...
I'm looking for a JavaFX coder, who can assist me in designing a basic user interface with simple functionality for a game development assignment. No advanced features are necessary at this stage. Ideal skills: - Experience in JavaFX coding - A knack for simple and user-friendly design While I do not have a complete sketch or design, I would greatly appreciate your creative suggestions throughout this process. Your input will play a significant part in finalizing the look and functionality of the game interface. Looking forward to working with a proactive freelancer who can bring fresh ideas to this project.
...Additionally, real-time updates on our field service technicians' availability needs to be visible and updated constantly. - Integration with Service Monster API: The new program must seamlessly connect to the Service Monster API which is used for managing our field service techs. - Unique Design: This project requires a new and unique design. Feel free to unleash your creativity to make the user interface intuitive and modern while ensuring functionality. Coding expertise, versatility in designing, and a problem-solving mind-set are the desired skills for this project. Experience with the Fittlebug program or similar scheduling software will be a plus. You must be meticulous since every functionality matters. Looking forward to collaborating with a tech and design...
Upfront/Half payment for My Wizard Mom, this is for the first 11 illustrations.
I need to develop a robust and reliable Bill Payment and Airtime Recharge system that integrates multiple payment methods and includes a user registration and login feature. Features should include: - A user interface for registration and login. - Support for debit/credit card payments, e-Wallet transactions, and bank transfers. The ideal developer for this project should possess: - Experience in designing secure login systems. - Excellent knowledge of integrating multiple payment options. - Proven experience in developing similar systems. - Attention to detail to ensure every transaction runs as smoothly as possible. Take up the challenge to help in streamlining how people pay bills and recharge airtime, book tickets, etc.
I'm in need of an experienced PHP developer who can perform a thorough inspection and subsequent modification of my web application. Here is what the project will entail:...design needs some tweaking to achieve the desired look and functionality. If you had prior experience with UI/UX, it would be fantastic. - **Functionality Enhancements:** Some parts of the app aren’t functioning the way they should, therefore need some enhancements to improve usability and the overall user experience. Ideal candidates should have a profound understanding of PHP, as the code is written in this language. Prior experience in working with web application optimization, user interface design, and functionality improvements would be beneficial. Please describe your approach to...
I'm seeking a skilled web developer to create a website for my company. The main objective of this project is to provide detailed information about our company and the ...company. The main objective of this project is to provide detailed information about our company and the services we provide. Ideal skills for this job: - Proficiency in web development languages such as PHP, JavaScript, HTML and CSS - Proficient in UX/UI Design - Experience in creating company websites Tasks: - Develop a clean and professional website from scratch - Implement a user-friendly interface that clearly outlines our company details and services - Ensure website is optimized for SEO. Your experience in creating accurate, informative and engaging corporate websites will be crucial to t...
...you want for the project, I will report you as a time waster who did not follow the instructions. I'm looking for a reliable freelancer who knows how to create custom WP designs. Read the requirements here and watch the video here. I'm searching for a skilled web developer to enhance a custom theme on my multi-APK website. The task involves creating unique design elements and improving the user interface of two specific pages: the home and download pages. Additional Information: - I've already attached the designs I want for the home page and download page. - The performance of the website should be maintained. - Experience in developing multi-APK websites and customizing themes will be highly advantageous. I need to replicate the design of the websi...
I'm looking for a skilled developer who can integrate Instagram/TikTok/Twitter API with my platform to allow for the blocking of users. Key Requirements: - Access Instagram/TikTok/Twitter's API to block specific users - The main goal is to enhance user privacy, so the implementation needs to be robust and effective.
As a frequent user of the Indian Railway Catering and Tourism Corporation (IRCTC) services, I'm needing a software that has capabilities to: - Automatically search and book train tickets. - Effectively track seat availability. - Handle multiple payment options. This software should be specifically developed for Windows users. Ideal skills and experience for this project include: - Development of booking or reservation applications. - Proficient experience in Windows-based software development. - Understanding of payment gateway integration. In terms of the user interface of the software, I would appreciate it being customizable and user-friendly. This will ensure the software can cater specifically to the needs of various users, both ne...
I will provide templates and content for each product. You will customize the templates with my provided designs and create multiple images showcasing the products from different angles. * Design labels for 5 product, based on provided templates and content. * I need the template provided as is with my custom design * Create 3-4 images p...will provide templates and content for each product. You will customize the templates with my provided designs and create multiple images showcasing the products from different angles. * Design labels for 5 product, based on provided templates and content. * I need the template provided as is with my custom design * Create 3-4 images per product label featuring different angles. * Design 1 graphical image showcasing product features for e...
...Reports may include inventory status, project-wise material usage, stock alerts, etc. 10. **Stock Alerts:** - Implement stock alert mechanisms to notify users when inventory levels fall below a certain threshold. - Alerts can be sent via email, SMS, or displayed within the software dashboard. This software solution would require a database backend to store all relevant data and a user-friendly interface for easy interaction. You could develop it using Microsoft Access, incorporating forms, queries, reports, and VBA (Visual Basic for Applications) for automation and customization. Consider consulting with stakeholders and users throughout the development process to ensure the software meets their specific needs and requirements. Additionally, thorough testing and...
I am currently in need of someone conversant with PowerShell who can assist me with the user and group management in GSuite. Specifically, the tasks are: 1. **User Management** You will be providing assistance for exporting Google shared permissions. This includes: - Shared folders - Shared files 2. **Group Management** You will also be assisting with group management within GSuite. Applicants should have sound knowledge and experience with GSuite and PowerShell. Experience in user and group rights management is highly advantageous. This project requires meticulous attention to detail and strong problem-solving skills to ensure that all Google shared permissions are correctly exported. Efficiency and proficiency in PowerShell script execution are also ...
...With a heavy emphasis on a user-friendly and visually appealing interface, the website needs to function smoothly with the following capabilities: 1. Shopping Cart: Users should be able to add and remove items at their convenience, with a smooth and simple checkout process. 2. User Registration: A secure but straightforward process for users to create their own accounts and make purchases securely. 3. Product Review and Ratings: A reliable system where users can rate and review purchased products, also integrating an efficient product recommendations system based on users' purchase history and ratings. The ideal candidate will have previous experience with WooCommerce and a strong understanding of e-commerce website requirements. Proficiency in user...
I'm in need of a QML expert to develop a new user interface for a device on a desktop platform. The project will involve creating the UI from scratch. Key Responsibilities: - Create an intuitive, user-friendly interface for a device on the desktop. - Develop the QML application from the ground up. Ideal Skills and Experience: - Proficient in QML and have experience developing user interfaces. - Previous experience with desktop platform development. - Strong understanding of user experience principles. Please share your relevant experience and similar projects you've completed. Would love to see a portfolio.
I need an AEM expert with specific experience in Dynamic Media implementation, as well as strong Java, Vue, and JavaScript skills. The project will involve a mix of backend and frontend tasks, and I'm looking for someone who can work with me on this for 3-6 months. Key Requirements: - Adobe Experience Manager (AEM) expertise - Dynamic Media implementation experience - Strong Java, Vue, and JavaScript skills - Ability to work on both backend and frontend tasks - Available to commit to 3-6 months of work Please only apply if you have the appropriate skills and are able to commit to this time frame.
...background in mobile app testing, with specific expertise in both Android and iOS platforms. Our goal is to ensure the highest level of quality and user experience for our apps. Responsibilities: Perform functional testing, regression testing, and compatibility testing for Web, Android and iPhone apps. Create detailed test plans, test cases, and test scripts to cover all aspects of app functionality. Identify and report bugs, issues, and inconsistencies using bug tracking tools (e.g., Jira). Collaborate with developers to troubleshoot and resolve issues in a timely manner. Conduct usability testing and provide feedback on user interface (UI) and user experience (UX) elements. Requirements: Proven experience as a QA tester with a focus on mobile app testing...
I created Java app that create google calendar event via api. I've got below error POST { "code": 403, "errors": [ { "domain": "calendar", "message": "Service accounts cannot invite attendees without Domain-Wide Delegation of Authority.", "reason": "forbiddenForServiceAccounts" } ], "message": "Service accounts cannot invite attendees without Domain-Wide Delegation of Authority." I think it's a problem service account. I want to do it till end of 11.05.2024 Project realization via shared desktop
I'm an upcoming app owner on the verge of launching a new productivity app in the field of Video Organizing, managing on the App Stores. The app will stands out because of its uniqueness, seemless integration with other apps and its intuitive Interface and productivity. It's important to me to generate organic installs to get this app trending, so I'm targeting a range of 300,000-500,000 organic installs within a 3-month timespan. Here's what I need help with: 1. App Store Optimization: The ultimate goal is to make this app as discoverable as possible. Having someone experienced in ASO can help my app rank higher and get discovered more often. 2. TikTok Marketing: I am looking for an expert at reaching TikTok influencers who can encourage their followers to d...
...be easily integrated into other websites as a microservice. Additionally, the application will support payment methods for premium features. Requirements: Website / Document Scanning Functionality: * Users should be able to input any website URL or document into the application. * The application should scan the website and extract relevant data for processing. * Extracted data should be stored in a database for future reference. AI Model Integration: * The application should integrate with an AI model capable of answering questions based on the scanned website data. * Preferably, use a free or cost-effective AI API for this purpose. * The AI model should provide accurate responses to user queries based on the scanned website data. Chatbot Integration: * Develop a chat...
We developed custodial wallet using Kotlin, JAVA, Node.js, etc. and when we click the send button coins cannot be sent. Please check and fix the issue. apk backend admin panel
I'm looking ...is to provide information about a particular subject. The website should be designed in a way that is engaging, user-friendly, and easy to navigate. - Square payment gateway integration: I need the website to be integrated with Square payment gateway. This is crucial as I plan to accept payments for services/products through this channel. - 1-10 pages: The website should have between 1-10 pages. I want the information to be presented in a clear and concise manner, and for the design to be clean and professional. Ideal Skills and Experience: - Proficient in web design and development - Experience with integrating payment gateways, specifically Square - Able to create a clean, user-friendly design for an informational website - Previous...
...3D modelling - It need to have table of contents - 14 chapters - image/text ratio maximum 35/75 - Each chapter will have to have 2 exercises to solve at the end, including the solutions, separately, for them - formated on A5 - gramitacally and tehnically correct text - verified in Turnitin, max 10% plagiarism. - images must be color. - minimum 100 pages Key Focus Areas: - Basics of Autocad interface: Explanation of the key tools, menus, and workspace within Autocad 2023. - Creating and modifying 2D drawings: Detailed instructions on how to create, edit, and annotate 2D drawings using Autocad 2023. - Using layers and annotation tools: In-depth coverage of how to effectively utilize layers and annotation tools within the software. The guide should be clear, concise, and suitable...
I'm looking for a skilled website designer who can create a budget-friendly and user-friendly website for my software coaching institution. Key Features: - Course Listings and Descriptions: The website should have a clear, organized and attractive way to display the courses offered, along with detailed descriptions for each. - Student Progress Tracking: Implement a system where students can track their progress, grades, and achievements. - Enquiry Form: Include an enquiry form to capture potential student inquiries and convert them into leads. Interactive Features: - Live Chat Support: Integrate a live chat support system to facilitate real-time communication with potential students. - Discussion Forums: Set up interactive discussion forums for current students to engage with...
...Staff” sheet in the attached excel file. Need to send sms to present employees and owner on submitting the duty roster. Note: these are tentative requirements as we discuss and develop we get good shape. Ideal Skills and Experience: - Proven experience in web development and designing web-based forms - Familiarity with popular web languages JavaScript, CSS, and HTML - Understanding of User Interface (UI) and User Experience (UX) principles - Familiarity with databases, and a solid understanding of best practices for capturing and storing sensitive information Your task is not just to build a simple web form, but a comprehensive, streamlined tool for efficient and accurate attendance tracking....
...features: - User Registration and Login: This is an essential component for our MVP, requiring a smooth and secure experience for our users. - Dashboard with Data Visualization: The MVP will include a dashboard feature that effectively visualizes data. - Integration with External APIs: The MVP will need to integrate with external APIs for several purposes: - Fetching Real-Time Data for Dashboards: The application should be able to update in real-time using data from external sources. - User Authentication and Management: Secure management of user data and access rights is a key component of the MVP. - Payment Processing: The MVP will handle payment processing, which must be seamless and efficient. - CRM and B2C Product Interface: The M...
...features I need: - User Accounts and Profiles: Users need to be able to create and manage their own profiles. Experience in secure login functionality is important. - In-app purchases: The app must provide an option for users to make purchases. Previous experience in establishing secure payment gateways is a necessity. - Real-time updates: The app needs to provide real-time updates to users. You should have experience in creating apps with real-time functionality. As for the design, I appreciate your creativity in this regard as I have not identified any specific design preferences yet. Show me your portfolio or provide samples of past designs done. The ideal candidate has solid experience and proficiency in cross-platform app development, security protocols, paym...
