Asp net core web api authentication jobs

...credentials, eliminating the need to create a new account. To configure Google login, you'll need to create a project in the Google Developers Console, obtain OAuth 2.0 credentials, and configure your platform's authentication settings accordingly. Similarly, for Facebook login, you'll need to create a Facebook app, configure the app settings, and obtain the necessary credentials. Once you have obtained the required credentials from both Google and Facebook, you can integrate their respective SDKs into your platform's authentication flow. This integration enables seamless authentication and authorization processes, allowing users to log in securely and access your platform's features with ease. Additionally, implementing these social login o...

I'm currently seeking an experienced Vue.js developer to create an interactive Vue 2.6 element for my project. Core Requirements: - The element must be capable of editing an array that contains objects. - It should have functionalities to not only add new objects but also modify or delete the existing ones. Desired Interface: - I desire a table-based editing interface where each cell is editable and represents an object property. Ideal Skills & Experience: - A thorough understanding and expertise in Vue 2.6. - Previous experience in creating and managing editable tables. - An adept knowledge of JavaScript and array manipulations. Appreciate bid from Vue.js experts who understand my requirements and can deliver a clean, user-friendly editable table element. "...

I'm looking for a skilled ASP .NET web developer to work on a small project. Key requirements: - Fullstack development: The project involves both front-end and back-end development. The ideal candidate should be proficient in C# and ASP .NET. - Database Integration: The project will be using SQL Server, so experience with this database type is needed. Skills required: - Proficiency in C#, ASP .NET, and SQL Server - Experience in fullstack web development - Strong understanding of database integration and management Your role will be to take the project from concept to completion, ensuring that all elements are well-integrated and functioning smoothly. If you are a reliable, detail-oriented developer with a strong track record ...

We're looking to develop a comprehensive website similar to "Rate My Professor". The core features required for this job include: 1. A robust rating system specifically for professors. 2. A comprehensive student review system. In terms of displaying information, each professor's page should show the following: 1. Their name and photograph. 2. The department they’re associated with, as well as their university affiliation. 3. An overall rating and reviews from students. Users on the platform should be able to register and log in to use the website via an email and password system. For this job, freelancers should possess extensive experience with and understanding of website development, and should be comfortable implementing complex features such as t...

Note my budget not more 20$ for the whole project Development / design web app based on chatgpt API or any similar free APIs from scratch including (UI design frontend backend)

I'm in need of a savvy developer skilled in payment gateway integration. Specifically, the task requires connecting NMI gateway to our Standard Connect Marketplace. I'm partially familiar wit...partially familiar with NMI, yet need some assistance with its integration. Primarily, we'll be processing one-time payments through this gateway. - You should ideally have experience in working with: - NMI gateway - Standard Connect Marketplace - Payment gateway integration - You'll also need to be comfortable with API usage, as your main resource will be Stripe’s API documents for Standard Connect. See here for reference: (). Your expertise will guide us in this task, ensuring a seamless payment process for our users making one-time payments.

I'm looking for a skilled developer to help me connect various game APIs to my web platform. The aim is to pull data from games like Valve and Blizzard, and display it on my platform. Ideal Skills: - Proficient in API connections, especially from a variety of games - Strong understanding of game data management - Experience in data integration and consolidation - Familiarity with platforms like Valve and Blizzard is a plus Please note that the main goal of this integration is to retrieve user data from the games, so knowledge of data-handling and privacy protection is also essential.

I am in search of an experienced web developer who can create a customized solution for my Shopify website. This solution would be used to enhance the efficiency of order routing to multiple suppliers. The ideal candidate should have strong skills in API integrations and a deep understanding of the Shopify platform. Key functions of the System: - Automatic order routing to suppliers - Real-time inventory updates - Tracking information integration for all orders and returns Supplier's Portal: The developer should also develop a portal for my suppliers, which they can use to better manage their orders and maintain their inventory. The portal should: - Allow suppliers to track and manage orders - Assist suppliers with managing inventory - Be designed with a professiona...

Note my budget not more 20$ for the whole project Request create web app based on chatgpt API or any similar free APIs that have complicated requirements

We are looking for a “Senior QA Specialist” having +7 years of development experience, or with 4+ years of QA experience, to join our distributed team, who designs & codes complex web & mobile applications. You will be in charge of having healthy product releases which do work without problems. Type -no mistakes- in your bid so we know you have actually read this description. You will be responsible for: - Overall quality of all project deliverables and prerelease versions, making sure they are problem free. - Planing, creating, executing tests to identify problems in the product. - Recording and analysing bugs and errors found during tests. - Tracking fixes of found issues. - Processing and replying to issue reports coming from Client and Users. You...

... Introduction: The purpose of this white paper is to introduce a secure iPhone application that aims to empower users in managing their financial life. By providing a platform for organizing and distributing funds, the application aims to enhance financial stability and promote responsible financial management. 2. Application Overview: This section provides an overview of the application's core functionality. Users can input a specific amount of money into the application, and the application will distribute this amount on a daily basis. The application charges a 4% fee for facilitating these transactions. The distributed amount can be used for daily expenses, savings, or investments, depending on the user's preferences. 3. Architecture: The application will be...

Arabic & English marketplace e-commerce on both website and mobile Strengths: Clear identification of technologies used (Widgets, JavaScript frameworks, Font scripts, Miscellaneous, Web servers, Programming languages, CDN, Maps, Development, Live chat, JavaScript libraries, UI frameworks). Potential use of Module Federation (50% sure) and Webpack (50% sure). Areas for Improvement: Technology Modernization: Consider upgrading libraries (jQuery, jQuery UI, Modernizr, Slick) to their latest versions or exploring modern alternatives (React, Angular, Vue.js) for better performance and maintainability. Component-Based Architecture: Refactor code into reusable components for improved maintainability and scalability, especially with React or Angular. Performance Optimization: Impleme...

...URL's for the API and two different JSON payloads. The app needs to determine which to use and stay with it until an error occurs. If an error occurs, there must be a retry button. When the button is pressed a haptic feedback should occur. The json gives time remaining in minutes. This must be converted to hours and minutes, omitting the minute and hour if none exist. For example 4h3m or 4m or 4h are all possibilities during a flight. The time remaining should zoom in and back out over 0.5 seconds when updated. Now for the graphical part. The altitude should be in the nearest foot if a fraction is provided. I want an emulation of a rotating drum readouts where the numbers that change roll up and down. If there is a jump of more than 1 foot between the current ...

I am looking for a skilled React Native Developer who can help me create a map-based service app. The app will offer services like location tracking and generating lists of nearby services. Key Functionalities: - For the location tracking feature, I will need: - Real-time tracking: This will be a core feature of the app - API: Reading from API - Listing nearby services based on some KPI - For the nearby places search feature, I will need: - Filter by category: To enable users to find relevant places - Sort based on property: This will enhance user search experience Ideal Skills: - Proficient in React Native framework - Experience with mapping services - Strong understanding of real-time tracking - Previous work on location-based service apps - Familiarit...

...media presence with a focus on Facebook and Instagram. Consequently, I aim to generate more leads and sales and ultimately foster business growth. My strategy involves: - Content Creation: I require expertise in creating a range of content types, with an emphasis on image posts, video posts, and blog posts. Exceptional creativity and a strong sense of aesthetics are crucial. - Lead Generation: The core objective of this project is enhanced lead generation and sales. Therefore, a deep understanding of strategies to engage and convert social media users into customers is necessary. Ideal Candidate: - Profound experience in social media and digital marketing, particularly Facebook and Instagram. - Proven track record in generating leads and sales. - Excellent content creation skil...

...these APIs, which have been previously selected but will be disclosed to the successful freelancer. See this website for api types Only Indian developers can bid, those apis limited for Indian servers Ideal Skills and Experience: - High-level proficiency in Node.js - Extensive experience with API implementation - Demonstrated ability to add functionalities to existing projects To apply: Please provide examples of your past work where you successfully added functionalities to projects using API integration. Your portfolio will play a major role in the selection process. This project offers an excellent opportunity to showcase your Node.js and API integration skills. Please note the chosen developer will be expected to begin work immediately. Your pro...

I'm establishing a p...address. The purpose of this is to ensure that the site can pull messages from different accounts as needed. - Specific Message Retrieval: The core functionality will be to retrieve and display a specific message from the selected email account. That message is usually a temporary code from netflix. - Search Function: A search bar is necessary for sifting through emails quickly. - Auto-Refresh: I'm hoping the website can include an automated refreshing feature. This is highly important because the email containing the temporary code is from Netflix and it's time-sensitive. Skill Requirement: I'm seeking someone with experience in web development, API usage (specifically related to email systems), automation, and a good under...

Note my budget not more 20$ for the whole project Request create web app based on chatgpt API or any similar free APIs that helping people answer questions based on AI

I'm looking for a Flutter developer to resolve a specific issue I'm facing with integrating the Meta API for Facebook login in my app. The problem is that the login functionality does not seem to work. - The issue: The Meta API for Facebook login needs to be fixed, as the current implementation is not working as intended. - Platform: The app is targeted at both iOS and Android, so it's crucial that the fix is tested and functional on both platforms. The ideal candidate for this project should have: - Proven experience with Flutter, particularly with integrating third-party APIs like Facebook's for login functionality. - A good understanding of Meta APIs and the specific requirements for integrating them into Flutter apps. - The ability to troubleshoot...

I am in need of a Discord self-bot that's capable of responding with tap on reaction of famous bot karuta message and also reacting on it more details in dm - Implementing image reactions: The bot must recognize and respond to specific user commands with pre-defined custom images. Skills and Experie...in need of a Discord self-bot that's capable of responding with tap on reaction of famous bot karuta message and also reacting on it more details in dm - Implementing image reactions: The bot must recognize and respond to specific user commands with pre-defined custom images. Skills and Experience: - High-level understanding of bot creation and functionality in Discord. - Proficiency in using API for creating reactions. - Experience designing and implementing custom f...

I am looking for an experienced, senior-level Java backend developer to build a new application from scratch in the healthcare industry. This novel undertaking will require a high level of expertise and the following skills: - Robust knowledge in database management - Proficiency in API development - Skills in business logic analysis - Business Logic Expert Applicants should ideally have a strong background in full-time Java backend development, with previous project experience in healthcare or similar fields. Looking for 2 Profiles Europe Based , Java Backend Senior. In this project front is made in AngularJS (as per other front devs)

I'm in urgent need of a Python Django developer to help me deploy my old website files on Namecheap. Here's a rundown of the tasks and requirements: - Deploying old website files on Namecheap: I need you to swiftly and effectively set up and configure the database for my project. - No new development or integrations: You won't be tasked with front-end or API work, just the deployment of the existing files. Your experience with Django and database setup are paramount. Time is of the essence, so I need a professional who can work efficiently and effectively.

I am seeking an experienced professional to integrate Directions, Geolocation, and Custom markers into a Google Maps project for my locksmith business. The ultimate aim is marketing-focused to drive more traffic to our website and enhance our visibility in local search results. Key Aspects for the project include: - Knowledge of Google Maps API functionalities especially pertaining to Directions, Geolocation, and Custom markers. - Proven experience in Search Engine Optimization (SEO) and Local Directory Listings. - Proven track record of improving website traffic and boosting local visibility through effective marketing strategies. - Understanding of the locksmith industry and the unique needs of a local service-based business will be an added advantage. Please bid if you meet ...

...a sleek, modern logo for my business. It should be centered around a specific car model that I'll provide the image of. The logo will be used primarily on my website, social media profiles, as well as on my business cards and flyers. Key Requirements: - Sleek Design: The logo should reflect a modern, sleek aesthetic, in line with the style of a luxury automobile. - Incorporating Car Image: The core of the logo will be a specific car model. You'll need to creatively integrate it into the design, while focusing on a minimalistic approach. - Color Scheme: The logo should predominantly feature black and gold. These colors should be used in a way that the logo can be effectively used online as well as in print. Ideal Skills: - Logo Design: A strong portfolio showcasing mod...

...where multiple staff members are co-teaching courses with different task responsibilities. While our current template achieves its desired information management purpose, in its present state its structure is relatively complex and not user-friendly or visually simple or appealing. We are looking for somebody to take the existing matrix and make it more user-friendly without losing any of its core functionality, as well as to create a database mechanism for data input and updates to the chart, and reporting functions. Work Tasks: - Redesigning an existing Excel matrix for teaching allocation to make it more user-friendly, flexible, and replicable. - Designing from scratch an associated database template to be used to input data for the Excel matrix - Meeting online ...

...multi-talented freelancer who can handle not just one, but a multitude of tasks. Selected individual will need to pump life into our brand image by designing a catchy logo, developing a modern and user-friendly website, and managing our social media platforms. In addition, they will provide SEO solutions, create engaging video content, and graphics, and help us infiltrate the 3D animation world. The core thrust of this project is to notably increase brand awareness . Thus, the ideal freelancer should: - Have a prolific understanding of the emotional, psychological, and social triggers of this audience demographic - Be imaginative and highly creative - Be tech savvy to keep abreast with latest trends and preferences of our target group - Have exceptional design, development, and...

Implement spring cloud gateway and integrate Azure Ad authentication in gateway, when request reaching to gateway, request should redirect to Microsoft Azure login page, once authenticated successfully then request should route to resource server along with access_token to access the resource endpoint, need to implement this login functionality in spring boot 3 and jdk17

Website on Wordpress License key generator with DB API for Excel Template connecting to DB for license key validation. Dashboard for administrator enter buyer/customer account credetials. The administrator must be able to enable and disablle accounts. Update Excel Template LicenseValidation code for connectiing to API/DB. I will privide this Excel Template code file.

Cloud Restaurant Website & Mobile App Development I will not be interested in your offer unless I see your Proposals in response to deep reading and understanding of the project requirements (only seniors make bids! The project has a Penalty clause for the deadline) I'm on the lookout for a talented web and mobile app developer who can help bring my cloud restaurant concept to life. Here's what I need: Features: 1. Online Ordering - For easy and convenient customer orders. 2. weekly menu (a page to show our weekly menu) 3. Menu Management - Ability to add, edit, remove, and categorize menu items based on my needs, plus setting item availability. 4. Delivery Tracking - Allowing customers to check their food order status. 5. Nutrition Coaching Reservation - Capability ...

Seeking an experienced developer to fix SendGrid email integration errors in our fitness app. Task involves troubleshooting and ensuring smooth registration emails for our waitlist. Must have strong expertise in , SendGrid API, and problem-solving skills. Immediate start, with potential for more work. Join us to enhance our user engagement through effective email communication!

I am hoping to find an expert to create a versatile chat bot for my operation. The bot will be integrated with an AliExpress API and tasked with handling customer inquiries in multiple languages. Key Features: * Answer customer questions: The chat bot must be designed to manage and respond to various customer inquiries. Not only should it offer general support, it must provide specific responses related to product offerings being sold on aliexpress * The chat bot should be able to respond with relevant products according to the inquiry that will be offered to the client via affiliate links * Multilingual Support: The bot should have the capability to handle inquiries in various languages. This feature is vital as we cater to a diverse, international market. * Interaction Styl...

...skilled web developer to craft a professional, corporate-style website for my cloud FinOps consulting business using Wix. Key Services: - The website needs to focus primarily on showcasing our expertise in 'Cloud financial management'. Primary Goal: - The core objective of the website is to attract potential clients. Hence, it should be designed with a strong emphasis on usability and conversion. Design Style: - The envisioned design style is 'professional and corporate'. It should reflect the seriousness and credibility of our consulting services. Ideal Skills and Experience: - Proficiency in web development - Experience creating corporate websites - Understanding of UX/UI design principles - Familiarity with content management systems -...

Looking for a seasoned professional to help manage my YouTube channel with 50k ...aligns with channel content and target audience. - Content strategy: We are focusing on motivational content. Experience in formulating effective strategies for this genre is highly desirable. Skillset requirements: - Experience with YouTube analytics, SEO, and monetization advantageous. - Proficient in video editing, graphic design, and brand development. - Knowledge of motivational content and core principles is a key requirement. With your assistance, I aim to increase not only our revenue, but viewer engagement, creating a platform that truly inspires. If you're passionate about creative content generation, this is the perfect project for you. If you like to be a partner then we can go...

I'm seeking an expert in machine learning and technical writing to assist with my Ph.D. thesis on a text-based multilabel classification model. This project involves the following key elements: - **Model Development**: The core machine learning model is in place, but I need assistance with the writing and documentation surrounding it. Your help in creating a comprehensive thesis document is crucial. - **Incorporating Research Papers**: While I haven't specified a particular way to integrate research papers into the thesis, I'd like a freelancer who can analyze and incorporate these papers effectively. This might involve citing them as references, summarizing them in a literature review section, or making a detailed comparison of methodologies. The ideal candidate f...

...is essential. Users should be able to create accounts, log in, recover passwords and so on. - Push Notifications: The application will need to support timely push notifications. Understanding how to implement this in Flutter is necessary. - In-app Purchases: I require someone with experience in setting up and managing in-app purchases. - DoorDash API Integration: The ability to successfully integrate a third-party API, specifically DoorDash API, into a Flutter application is also crucial. Database Preference: - Firebase: Experience with Firebase is necessary as it is my chosen database for this application. Please only apply if you are proficient in Flutter and have previous experience with the specific features listed. Previous work samples and references will ...

...developer to create a bulk phone number checker that is compatible with Whatssap. The core purpose of this tool will be to check if the numbers on my list are active on Whatssap. The end goal is to utilize these numbers for promoting my business. Key Features: - Bulk Phone Number Verification: The tool should be able to check multiple phone numbers at once. It should separate the active numbers from the inactive ones. - Whatssap Compatibility: The tool needs to connect with Whatssap API to confirm the activity of the numbers. Delivery: - Data Export: I require the verified numbers to be exported to an Excel spreadsheet for easy access and use or .txt file Skills & Experience: - Proven experience in API integration, specifically with Whatssap. - Strong prog...

I'm looking for a k...enable you to independently determine important topics like market segmentation, target audience analysis, competitive analysis, etc. Ideal Skills & Experience: - Profound understanding of strategic marketing - Excellent research capabilities - Proven experience in marketing strategy This task doesn't require you to create a strategic marketing campaign, but rather to analyze and present the core principles that create a successful one. As such, while I skipped my input on campaign objectives and target market, your experience and insight should guide you in understanding universally applicable marketing principles, irrespective of target audience or main goals. Your final work will help shape lessons for marketers aiming to master the nuances...

...priorizando los modelos que generen una respuesta lo más rápido posible 2. Modelo IA Text to Text with GPT - Modelo encargado de generar las respuestas por parte de las muñecas - Se integrará con la API de GPT - Se creará un template de prompt adecuado para el caso de uso - Se utilizarán las funciones de GPT para identificar los momentos de la conversación que deben ser guardados como memorias. - Se desarrollará usando el framework de langchain para que en caso de querer cambiar GPT por algún otro modelo, no hay que cambiar código 3. Modelo IA Text to Speech - Implementado usando la API de elevenlabs - Se predefinirían diferentes tipos de voces para los diferentes modelos de muñ...

We are looking for a skilled Frontend Developer...React. - Strong proficiency in JavaScript, HTML, CSS, and related web technologies. - Familiarity with frontend development tools such as Git, Webpack, and npm. - Experience with RESTful APIs and asynchronous programming. - Excellent problem-solving skills and attention to detail. - Ability to work independently and as part of a collaborative team. - Good communication skills and the ability to translate requirements into technical solutions. Nice to have: - Knowledge of UI/UX design principles and best practices. - Experience with state management libraries such as Redux or MobX. - Understanding of modern frontend frameworks and libraries. - Familiarity with backend technologies such as Node.js or Python (for understanding API...

I'm urgently in need of a skilled React Native Developer to design a simple, yet effective iOS application with a primary focus on mental health care. The application must include: 1. User Authentication: An essential feature to personalize and secure user information. Prior experience in user data privacy and security is preferred. 2. Push Notifications: These are crucial to keep our users engaged and updated. Your ability to integrate efficient notification features will be highly valued. The main goal of this application is to aid mental health care, hence any prior experience in healthcare app development will be a distinct advantage. Driven and efficient individuals or teams are encouraged to apply as I am looking to complete this project ASAP.

I am in need of an EMV card reader PCB with Bluetooth capabilities, expressly for the logging of data. Here are the specifications for the task: - Main Purpose: The core purpose of the EMV card reader is Data Logging. - Data Required: The data to be logged includes the Card number and Transaction Details, the Time and location of card usage, plus the Type of card and Cardholder's name. - Storage: The logged data should be stored on the device. For this task, excellent knowledge of PCB design and Bluetooth technology is key, with proven experience in dealing with EMV card readers, along with knowledge of secure local data storage solutions. Familiarity with data privacy regulations is also advantageous, considering the sensitive nature of some of the data to be logged.

...seeking an exceptionally talented logo designer to create a state-of-the-art combo logo. This logo should encapsulate and communicate the unique values that my company stands for. - The logo should be a combination type, meaning it should integrate both text and icon components in a cohesive, balanced manner. - The logo should not merely represent my company's name, but more importantly, embody the core values that my company adheres to. - Creatively integrate abstract shapes into the design - the logo should be an innovative fusion of shapes and text. Crafting a visually striking, memorable logo using abstract elements is crucial. Experienced designers who have a knack for creating abstract art and an eye for aesthetics are the best fit for the task at hand. Knowledge...

I'm looking to hire an experienced data scientist or researcher to gather data on trending topics from Twitter. Here's what you'd do: - Leveraging Twitter's API or any robust scraping tool, you'll gather and record data around trending topics globally or as requested. - After collection, these data will need to be organized in a clear, concise and easy-to-read format. Skills & Experience: - Experience with data collection on social media platforms, particularly Twitter - Strong understanding of Twitter's API or proficient in web scraping techniques - Ability to interpret and analyze collected data effectively Please only bid if you're comfortable and experienced with large-scale social media data collection and analysis. T...

We are seeking an experienced Android developer to build a utility app. The core functionality needed is configuration settings. A successful candidate should: - Have a proven track record developing Android utility apps. - Familiarity with creating custom configuration settings. - Display a commitment to delivering on schedule. - Possess an understanding of the varying Android device specifications and operating systems. Prior experience with similar projects will be greatly appreciated. We look forward to reviewing your applications.

I'm an experienced user looking for an expert in Odoo customization and webRTC integration to help launch my project. We are a group of developers, we need you to help and guide and train us about Odoo webRTC so we can integrate our api. We need a webRTC expert and Odoo expert to give us guide and assistance of how to integrate our AI model into the Odoo 16 webRTC. We have already build the AI model, the webservice and endpoint to commnicate with it and everything related to the AI. So far we have a module that connects with our AI server, everytime an odoo channel is created it reviews the messages, sends it to the AI and creates a new message in the channel that acts as a reply Tasks include: - Customizing Odoo to fit our specific needs - Integrating webRTC within our op...

I'm immediately seeking a skilled social media marketer for an engaging ad campaign across Facebook and Instagram. The main objectives of this campaign are as followed: - Reach: The campaign primarily targets the general public, not limited to registered voters or political enthusiasts. Thus, ability to design highly engaging content and reach a broad audience is essential. - Objective: The core objective of the campaign is to increase awareness surrounding my political views and agenda. The chosen freelancer should demonstrate a keen ability to communicate and streamline complex political matters into accessible, attractive content. - Timeframe: This project is urgent and needs to be completed as soon as possible. Demonstrated capability to work under tight deadlines is hen...

Buscamos incorporar especialista programador .net freelance con conocimientos en: c# .net, asp, sql server se valorará experiencia en: integraciones api, en back-end y front-end. Trabajo principalmente en remoto, para colaboración continuada en desarrollos propios de nuestra empresa, con un mínimo de 40 horas mensuales.

I'm looking to create an informational react web application utilizing React. The focus of this web application is to offer a complete configuration for integration with various external APIs. Key requirements include: - Experience in creating web apps - Profound knowledge of React.js , Redux - Proven experience in integrating external APIs This web app won't just showcase information; it will serve as a configuration app, primarily designed to integrate with external APIs. Therefore, any freelancer who bids should have practical experience with API integration.

I'm in need of a talented developer skilled in PayPal integration to establish subscription billing for my mobile application, with the primary currency being USD. Proficiency in the following would be ideal: - Deep understanding of PayPal's API, specifically its functionalities tied to subscription billing - Experience implementing USD transactions - Navigating Google Play Store publishing processes The ultimate goal is a seamless, user-friendly subscription process within the app, and subsequent successful publishing on the Google Play Store.

...program with expert level C# coding ability for an assisgnment. The main functionalities of the project include: * Command-based user interface Critical aspects of the project include: * User Interface: The program will run on a command line interface. It is essential you have experience in this rather than GUI/Web-based interface design. * File handling: For effective data management, we require user interface functionality. Experience in properly implementing this within a .NET application is crucial. Bringing these aspects together to create a seamless program is the ultimate goal of this project. The right candidate will have extensive experience in C# programming, specifically with .NET8.0, and a good understanding of command-based user interface design an...