Payroll system netроботи

Доброго дня! Мене звуть Поліна, я HR навчального центру CyberBionic Systematics! Ми знаходимося у пошуку викладача по C#/.NET. За посиланням Ви можете дізнатися про умови роботи з нами: Коротко про наші переваги: • дистанційне викладання • гнучкий графік • сертифікація Microsoft Буду вдячна за Вашу відповідь, гарного дня!

Ви створите генератор коду для Visual Studio, який створює веб-додатки в .NET Core.

...запчастин до авто - структура бази даних - готова структура проекту. Написано на***: - .Net C# MVC - Entity Framework (code first) - Ninject as DI Потірібно доробити: - Юзер акаун - історія ордерів - ґест оредера - комyнікації поштoю - авторизацію для адмінки. - відсилання/перегляд ордерів - фільтрацію стандартнуй набір портеб. *** якшо маєте варіант простішого підходу для досягнення цілі (використання шаблонного магазину для завервення проекту) то я готовий вислухати. маєм 2-4 тижні і <> $250. бюджет не фіксований, усе залезить від вас. презентація того шо є і деталний опис того шо треба - по скайпу. P.S. якщо результат буде задовілним (тілки якщо використовуєм .Net, C# і MVC) то є можливість долучитися до іншого великого проекту.

Вітаю, В'ячеславе! Мене звати Світлана. Я представляю компанію Orange Sputnik. Наш клієнт шукає .NET Developer для роботи в Польщі (Rzeszow). Необхідне знання польської та англійської. Якщо Вас цікавить ця позиція, я хотіла б обговорити її з Вами. Могли б вислати свої контакти? Дякую

...proficiency in C# and C++, especially in relation to the .NET Framework 4.0. The project's primary aim is to craft a game launcher that offers multi-platform support, but it is crucial to emphasize that our focus for now is on Windows. In case of it's in C++, the following note are required: - The launcher is meant to launch a process (The game exe) also it meant to have a settings window, and support window that contains a "Subject" - "Email" - "How may we help?" and all those data to be sent in HTTP Get request. If it's C#, I only ask for the [Designed Form] as mentioned * Buttons needs to be smooth and high quality animated while mouse hover and mouse click. Key Qualities to have: - Proficiency in C# and C++ - Familiarity with ...

The following questions must be ANSWERED or your proposal will be IGNORED 2. Please send your top 3 best work examples (especially demonstration of any Saas systems or Online Ma...will be IGNORED 2. Please send your top 3 best work examples (especially demonstration of any Saas systems or Online Management Portals, Could base ERP systems) 3. Please send your proposal with your monthly salary expectation JOB DESCRIPTION We are an eCommerce company that requires an experienced Full Stack .Net / React Developer with strong API development experience to join their team due to a significant increase in product demand. Skills & Experience 3+ years C#.NET experience ASP.NET Core HTML5 CSS3, SASS, LESS, Bootstrap, Agile Development Experience Excellent written & ve...

We are looking for someone to create a preliminary site plan for a potential apartment development project. The site is 8.5 net acres and we are looking for a site plan that can show the development with : 1. 30 DU/acre ( total 255 units) laid out with streets and walkways onto the land parcel site. 2. 3 story garden style walk up project 3. Unit count: 20% one bed (738 SF), 65% two bed (988 SF) and 15% three bed (1200 SF). Site plan needs to be laid over the aerial of the land parcel. Example attached, This example is more detailed than what we are looking for. We are looking for the layout and positioning of the major buildings. We do not need to get into setback or parking requirements at this time. In addition to the site plan, we would like one architectural elevation drawin...

I am looking for a senior software engineer with experience in Java, Python, and C#. The main task is to develop a robust web application using Spring Boot. Familiarity with Azure and .NET will be a plus. Key requirements include: - Developing a web application - Implementing User authentication - Integrating with databases - API integration Ideal candidates should have: - Proven experience in Java, Python, and C# - Strong knowledge of Spring Boot - Familiarity with Azure and .NET - Ability to implement User authentication - Experience in database and API integration. I'm looking for a professional who can deliver high-quality work in a timely manner.

I am in need of an expert OpenSIPS VOIP Developer who can help create a robust system with high quality call routing. The main feature's to be implemented are NAT Handling in the Cloud, Microsoft Direct Routing, and Mid Registrar. The system should be designed to interact efficiently with PBX systems (FreeSWITCH) and OpenSIPS. Required Skills: - Extensive experience with OpenSIPS VOIP system development - Strong understanding of direct call routing - Proficiency in integrating VOIP systems with PBX and OpenSIPS - Familiarity with general telecoms concepts and technologies. The ideal freelancer should have worked on similar projects and be ready to showcase relevant examples in their proposal. If this project goes well, there could be more ongoing work. I look f...

Hello, I am looking for a freelancer who has already set up a cold mailing system several times (with proof/screenshots) and can do this for me. First the selection of the system, then the setup of the mailing server and the warming up of the emails. I need someone with experience, so please write me first in your reply: "Hi Dennis, I recommend ...system" and your fixed price to set up. if not, i will not read, because here are so many bots :-) We will then chat about what you need (domain, certificates,...) What I don't want is my own solution, but a cloud system. Thank you

I am in search of a skilled web designer to create an SEO-optimized informational website. The main goal of this website is to provide content to the general public. Key requirements: - Design and development of an SEO-optimized Informational website - Integration of a contact form - Integration of a quoting system: this should allow users to input details for a quote, which will be sent to me via email Ideal Skills and Expertise: - Proficiency in web design and development, specifically for SEO - Experience with creating and integrating contact forms and quoting systems on websites - Ability to ensure a user-friendly experience for the general public, with a focus on clear, concise, and engaging content Website along the lines of the below:

I'm looking for an experienced .NET developer to assist with a project. This project requires someone who has a strong background in .NET technology, particularly in C# programming, ASP.NET development, and SQL database management. Ideal candidates should have experience in developing web applications, creating software solutions, and improving existing systems. The key functionalities to be implemented by the .NET developer in this project include user authentication, data encryption, and payment integration. If you're a .NET developer with a solid understanding of the above technologies and functionalities, please reach out to discuss the project further.

Будь ласка, зареєструйтесь або увійдіть в систему для перегляду деталей.

I need a Unity specialist to develop a system in an existing v6.x.x game that can save user progress and allow players to pick up where they left off. Key requirements are: - Ability to save character progress and levels - User frame should include the character's current level and experience points. Ideal candidates must have vast working experience in Unity engine and a strong understanding of game development & player progression systems. Your solution should be robust, able to handle varying amounts of data, and run smoothly within the existing game structure. Prior experience in creating similar save game systems is a bonus.

I am seeking a proficient Java developer who excels in using Eclipse, to develop a Library Record System. The scope of the task includes: - Application development from scratch. - Debugging during the development phase to ensure top-notch functionality. - Providing software maintenance post-development. Key Features: - A simple and minimalist interface for user-friendly navigation. - Book borrowing management capability to check the status and track all borrowings. - User account management which enables personalized access for users. - Inventory tracking for systematic management and easy accessibility of books in the library. Ideal Skills and Experience: - Strong experience in Java development and Eclipse toolset. - An eye for creating user-centric, minimalist interfaces. - Pri...

I need a professional to create a robust hospital capacity management system that incorporates diverse functionalities. Primarily, it must have: - Real-time bed availability tracking: This feature should relay current information on bed occupancy, facilitating efficient resource allocation. - Patient registration and admission management: The system should ease patient intake, recording all necessary details at admission for future reference. - Appointment scheduling: Our needs also include a seamless appointment scheduling feature that ensures no double bookings occur. Moreover, this system should integrate seamlessly with our existing EHR system enhancing patient record-keeping efficiency. This integration should not interfere with patient data security b...

I need a professional who can scrape and compile email lists of high net worth individuals with a particular income level and investment interests. The emails will be used to target our automated trading software offer. Key Requirements: - Income Level Criteria: The emails should target individuals with an income level within the range of $250,000 - $500,000. - Investment Interests: The targeted individuals should have an interest in the stock market, Futures trading, options trading, cryptocurrency, and real estate. Ideal Skills and Experience: - Proficiency in data scraping and email list compilation. - Familiarity with targeting high net worth individuals and their investment interests. - Previous experience in compiling email lists for targeted marketing campaigns.

I'm in need of a talented system developer who can design a web-based system with an emphasis on data management and analytics. The primary function of this system will be to handle and analyze customer data. Key responsibilities include: - Building a system with robust data management capabilities - Integrating analytics measures to interpret customer data - Ensuring the system is web-based and user-friendly Ideal candidates should have: - In-depth knowledge of server-side logic - Proven experience in web-based system development - Strong problem-solving skills - Experience with data management, particularly customer data analysis From this project, I expect a system that can effectively manage and interpret customer data, providin...

I am in need of a Point of Sale (POS) system for my pizza store, catering to in-store purchases only. The system primarily needs to support cash transactions - making it easy for my team to process orders and handle cash transactions. Key requirements include: - Generating sales reports: I would like the system to provide insights into daily sales, popular items, and revenue trends. - Inventory management capabilities: The system should help in tracking stock levels and provide alerts when inventory is running low. Ideal candidates will have experience in developing POS systems, particularly focusing on single-location businesses. Previous experience in the F&B industry or with pizza stores will be advantageous. A good understanding of inventory managem...

...developer to create a web system primarily focused on data analysis. The system will serve as a platform for users to perform detailed data analysis. Key features to include: - User Registration and Login: The system should have a secure user registration and login functionality to keep the data protected. - Various Search Modules: I would like the system to have search capabilities by name, date, and category. This will allow users to slice and dice through data effectively. Ideal skills and experience: - Proficiency in PHP: As the core technology of this project, you should have a strong background in PHP. - Data Analysis Expertise: Experience in building systems that cater to data analysis will be a huge plus. - Security Knowledge: Strong knowledge of s...

...Your main task will be to create engaging content and post product updates on our Facebook, Instagram, and Google pages. - Lead Generation: We aim to increase our customer base and drive sales through social media. Your strategy must be tailored for all audience types. Mainly our audience includes adult women and men's clothing. - Referral System: We also need a referral structure where individuals can earn a commission for referring our products. This system should be integrated into our website and social media platforms. Ideal skills and experience: - Proven track record in social media marketing, particularly for e-commerce brands. - Experience with lead generation and conversion-focused strategies. - Familiarity with referral marketing and setting up commission...

I'm in need of a meticulous, detail-oriented individual with expertise in bookkeeping for a high-volume operation. The requirements for this position include: - Proficiency in managing accounts payable and receivable - Skilled in financial statements preparation - Capable of handling payroll processing for a large team The ideal candidate will be comfortable dealing with over a 100 transactions per month. Although we currently utilize Busy software for our bookkeeping needs, we're open to individuals well-versed in QuickBooks, Xero, or Sage as well. Prior experience with Busy and familiarity with its interface would be a major advantage. In this role, accuracy, reliability, and confidentiality are key - I'm looking forward to finding the right fit for these crucial ...

I'm looking to develop a Visitor Management System app for Android. - The system primarily needs to facilitate visitor registration and check-in/check-out tracking. It should suit both office and Apartment. There will be one web admin interface where the admin can accept the registration of Office and end users. Activate or deactivate users or office or apartment. - No existing integration is required. I'm seeking a developer with the following skills: - Proficient in Java, Node JS, PHP and React Native - Proven experience with Android app development - Previous work on Visitor Management Systems is a plus.

We are seeking a professional software application firm experienced in providing cloud-based payroll solutions for international organizations. The aim is to streamline our farming organization's payroll processes, saving time and resources for HR and Finance teams. Functional Requirements: Streamlined payroll processing with features like automated calculations, deduction management, and generation of various reports. Integration with existing software like SuccessFactors - SAP and compatibility with internet banking for seamless transactions. Remote accessibility, robust security features, and compliance with data protection laws. Ability to generate pay slips, tax forms, and support self-service access for employees. Technical Requirements: Cloud-based infra...

This project involves harnessing the power of AWS enhanced with a Redis ...project involves harnessing the power of AWS enhanced with a Redis cache system. As the ideal candidate: - You possess an in-depth understanding of AWS, specifically EC2 and S3. - You have experience building robust cache systems, particularly using Redis. - Proficiency in software development within the AWS ecosystem is crucial. The project's success hinges on effective integration of AWS services with a Redis cache system. Understanding the nuances of scaling, data persistence, and caching in a cloud environment will be beneficial. It's an opportunity to leverage your skills and make a significant impact. Your role will be essential to ensure optimized use of AWS resources and the sta...

I need a highly skilled Shogun developer to integrate a new payment system functionality into our existing platform. Even though no specific programming language was highlighted, a deep understanding of Python, Java and C++ would be advantageous to navigate our existing structure. The end goal is to implement a secure and user-friendly payment environment. Features should include: - Multi-currency support - Integration with popular payment gateways - Fraud detection mechanisms - Easy to use interface for both backend and frontend users Candidates should have prior experience with payment system integration and a keen eye for detail in terms of security and efficiency, as well as a proven track record of successful project completions.

I'm currently seeking an experienced freelancer to build a SLAM system, leveraging Raspberry Pi 5, 2D Lidar and Arduino Uno/MKR 1010 WiFi as part of my college project. Key responsibilities will be to aid in motor control and visualizing real-time Lidar data. Specific requirements include: 1. Implement FastSLAM algorithm – You will need to have a thorough understanding and experience in implementing this particular SLAM algorithm. 2. Utilizing Python – All coding tasks should be performed using Python. 3. Deliver Real-time Lidar Data Visualization with: - Map Display: A real-time map should be drafted using the Lidar-scanned data. - Moving Trajectory: Display the accurate position and movement trajectory of the SLAM system. Having a background in...

I'm seeking a skilled technician with experience in 12 volts hardware installation, The job will involve installing these systems in cars and trucks. Specific brand/model information will be provided to the selected contractor. Required experience and skills: - Proven experience installing 12 volts hardware within vehicles. - Open/close truck/Buses/Vehicles dash and panels. - Ability to work with a variety of vehicle makes and models. - Able to adhere to safety and quality standards.

We're looking for a professional with experience in creating compelling video ads for diverse demographics, aiming to gener...presented attractively and informatively, demonstrating their value and potential return. Knowledge in the financial sector will be an advantage. - Audience: The videos will be targeted at Millennials, High-net-worth individuals, and Retirees. Understanding their motivations, pain points, and financial goals will be critical in the success of these ads. The ideal candidate should have: - Proven experience creating successful social media ad campaigns - Understanding of the financial sector and investment products - Ability to research and target audience insights (Millennials, High-net-worth individuals, Retirees) - Excellent storytelling and...

I need a PHP Laravel system developed for my salon. It should include features for appointment booking, client management, and inventory management. Key Features: - Appointment Booking: The system should allow clients to schedule appointments easily. - Client Management: It should have a database for client management, allowing us to store and access information about our customers. - Inventory Management: The system should also include a feature for managing our salon's inventory. Design: I do not have a design or template for this system. Therefore, I'm looking for a developer who is skilled in creating a user-friendly and aesthetically pleasing interface. Online Payments: While the system should support appointment booking, I do not requir...

...developer who has done a gym / class training management system previously. In brief, Front-end - calendar view - classes available / slots available for each classes - allow booking of classes - simple UI - class limit Admin - can create and manage classes - get report of the signups for the classes Non Members Users - can register as member - signup for classes without creating a membership - receive ticket pass - pay for class upon booking Members Users - Reload Credit - Book class with credit - cancel booking - credit expiry application must be mobile friendly. Ideal Candidate: - Experience in developing cloud-based management systems, particularly in the fitness industry, would be ideal. - Strong UI/UX design skills to ensure the system is user-friendly. If...

I'm in need of a professional developer to help create a holiday let booking system. This project requires exceptional skill in programming, along with knowledge in online payment processing and calendar integration. Key features to include are: - calendar: A monthly view is needed that clearly shows the bookings we have of different properties at a glance. - Payment processing: invoicing home owners - Property Details: System should be able to display property details including photos, descriptions, prices etc. - Job Scheduling: The system should incorporate some form of job scheduling for maintenance or cleaning purposes. Proven experience in booking system development and knowledge of the holiday let industry would be advantageous for this role. Lo...

Update, next release. The work has been discussed in the freelancer chat.

...looking for a full stack developer with expertise in rolling out B2B white-labeled solutions. Key Requirements: - Strong Experience with .Net, React, React Native, MongoDB, and AWS - Experience in developing white-labeled solutions - Understanding of User authentication and User management - Ability to provide features like Branch Management and Databases - Previous experience with small scale projects (10-50 users) Your role would be to help me create and implement a system that allows businesses to use my product under their brand. This would include setting up user authentication, managing user details, enabling branch management, and ensuring the system can scale up to 50 users without a hitch. Experience in developing similar solutions and strong knowledge i...

I'm in need of a web-based system that will help me improve my fleet management. The key task of the system will be tracking the location of all types of vehicles in real-time. Key Features: - Real-time vehicle tracking: I need a system that updates the location of the vehicles in real-time. This is crucial for me to manage my fleet effectively. - Compatibility with all types of vehicles: The system should be able to track all types of vehicles, from commercial trucks to personal vehicles. Ideal Experience: - Proven track record in developing web-based tracking systems. - Strong understanding of GPS tracking in vehicles. - Familiarity with fleet management systems. - Experience in developing real-time updating systems.

...selling legal drafts. This will involve creating a seamless user experience for browsing, selecting, and purchasing these drafts. - **Post-Purchase Delivery**: After a customer purchases a legal draft, I would like them to receive an email link to download the document. This will necessitate a system that can automatically generate and send out these emails upon successful transactions. - **Payment Integration**: The website should support multiple payment methods, including credit/debit cards, net banking, and digital wallets. This will cater to a wider audience and provide convenience for customers. The ideal freelancer for this project should have experience in e-commerce website development, particularly in creating systems for selling and delivering digital product...

I'm seeking a .NET Core developer well-versed in fo-dicom or a similar open-source library to create a web-based DICOM viewer. The viewer should be developed using .NET Core web 8.0 with Razor. Key features include: - Image viewing and manipulation: The viewer should allow users to view DICOM images . - Patient information display: It must display relevant patient information in a clear, concise manner. - Measurements and annotations: Users should be able to make measurements and annotations on the images. - Play series: The viewer should support playing a series of DICOM images. The player should be capable to run on Mac, windows and linux i.e. platform independent and should not require any installations on computer. It should run from any external disk like pen driv...

I'm in need of a skilled electrical engineer who can handle the installation of an electrical system, focusing primarily on security systems. The successful candidate should have experience in: - Electrical system installation - Security systems installation - Strong knowledge of electrical components and their purpose This project is focused on a single property, which may be residential, commercial, or industrial. I'm seeking a professional who can execute this task efficiently and with high attention to detail.

...same industry institutions(All in one) 1. Users to access all institutions' info on the same and one app 2. Institution to pay fees to be visible on the app par category  Platinum  Diamond  Gold  Silver  Bronze 3. Every week reclassification based on extra payment 4. Clicking on tab , the app will show all institutions' info. Redirection to the institution app 5. Users should also vote using Net Promoters Score(NPS) method 6. The NPS will be sent to all institutions every month 7. The user would win points and MoMo money if he/she recommends the app to other users Condition : recommended users should download/Install/verify/visit at least one institution app/web and recommend new users 8. The institutions will pay an extra amount via the web with a credit/debit c...

Greetings! I am in need of a dedicated full-time system administrator in the field of Information Technology. The right candidate has a passion for managing, protecting, and upgrading system networks in an IT environment. Requirements: - Deep understanding of system administration and associated responsibilities - Proficiency in providing technical support and server maintenance - Experienced in diagnosing and resolving hardware, software, and networking issues - Ability to lead software and hardware installation and upgrade projects - Expertise in applying IT solutions that increase operational efficiency Experience: - Previous work in a similar role would be highly valued - Proven experience as a System Administrator, Network Administrator, or a similar role...

I'm looking to add UPI features to my desktop application created with C# .Net. This will involve replicating the encryption and decryption used in major UPI apps, as well as integrating with multiple UPI payment providers and banks. The main features I'm aiming to incorporate are: - Check balance: The application should be able to retrieve and display the user's account balance. - Register: Provide a seamless registration process for new users. - Check pending UPI requests: Show the user any pending requests that require their action. - Approve payment requests: Allow users to approve UPI payment requests. - List of bank added: Display a list of banks that have been added to the user's account. - Data store/retrieve should be in json. -use httpclient ...

vb 2012 video and sound recorder. Auto record to file when motion/sound is detected. Auto save file if no motion/sound is detected for 5 seconds. exe File must be compact and small and not dependent on other dll or ocx. Auto detect existing cam and video device on PC. I should be able to compile it on my PC. Note there are a lot of samples on Chat GTP.

I'm seeking an experienced web developer w...their comprehensive understanding of Django and front-end technologies, the ideal candidate will deliver quality and maintainable code, and provide insightful recommendations for improving the performance and usability of the website. Previous experience in machine learning is beneficial, though not an overarching requirement. What is the work: We have a college project named crop Recommendation System using ML. Which make prediction of which crop farmers can grow as per soil and as per prices of various crops in current market. We have collected required dataset and coded ML code. We getting problem to connect this ML code to frontend to show prediction output on site we have to make just connect this ML code to frontend to show ...

I'm looking to create an engaging gaming website. The crucial part of this project is the virtual currency system that will be implemented. - The website should chiefly host skill games. - Incorporate a distinct virtual currency system that will allow users to: - Participate in games using the virtual currency. - Exchange the virtual currency for real, tangible items. Ideal freelancers for this project should be experienced web developers with a solid grasp of gaming interfaces and developing secure, functional virtual currency systems. Experience in e-commerce would also be beneficial, as the exchange aspect of the virtual currency system is similar.

I'm in need of a professional software engineer who ...will consist of both a frontend and backend portion. Key Features: - Trip Planning: It's crucial for the software to include a robust trip planning feature that enables users to schedule and organize their travel plans efficiently. - Expense Management: Implementing a reliable and user-friendly expense management system is an essential aspect of the project. The ideal candidate should have a strong background in software engineering, particularly in Angular for the frontend and .net for the backend. Previous experience in developing similar projects, especially in the travel industry, will be a huge advantage. It's also important for the freelancer to have good problem-solving skills, as well as the abi...

I'm in need of a skilled electrical engineer to help me set up a radio-based surveillance system in my property. - I have yet to decide whether the system will be placed indoors, outdoors or both so your prior experience in both environments is desirable. - The project does not have a predetermined number of areas or rooms that need covering, so I'm looking for someone who can help me plan and implement the system in the most efficient and effective way. Ideal candidate should have experience in: - Design and installation of surveillance systems, particularly radio-based systems. - Ability to work with both indoor and outdoor security setups. - Planning and executing a system across multiple areas. Your insights and recommendations regarding the ...

Requirements: It is required to create a comment system like the one on the following website You can select I had it, I want it, I have it, state, in what season or moment the fragrance should be used, reliability, star rating of the fragrance, gender, price and at the end a written comment. The list of comments shows the icons of each option you have selected, The idea is to make everything the same but with a different appearance. The system must work in WordPress and must be worked on until it is 100% functional. My website is made with Wordpress + Elementor. STEP 2: After having the system completed in its entirety, some comments that are in a json must be imported; they must go to each of the fragrances, which

Hello I am interested in developing a website with an integrated voting system. Below are the main features and functionalities it should include: Visual Appearance and Basic Functionalities: Page: Displays the top 7 voted candidates from the last 24 hours (top 1 to top 7). Below, there will be a "More" button, which will allow users to view 8 additional candidates each time it is clicked. Cards: Each card will display the voting candidate's information including an image, name, description, social media links, gender, etc. It will also show the number of votes in real time and include two voting buttons: A positive vote button (+10 points). A negative vote button (-4 points). : The site will feature different ranking filters: last 24 hours, weekly, monthly,

My goal is to significantly enhance my website's SEO. My site, , is in dire need of increased organic traffic, higher search engine rankings, and ultimately, more leads and conversions. I'm casting my net far and wide; locally, nationally, and globally. This is my first venture into SEO, so I require a freelancer who can be a guiding light. Key tasks: - Improve organic website traffic - Boost search engine rankings - Generate competent leads and conversions Desired skills and experience: - Proven SEO experience - Proficient in local, national, and international SEO strategies - Adept at conversion rate optimization - Demonstrable experience with on-page and off-page SEO techniques - Ability to generate SEO reports and analysis I need someone who can sail these hither...

Necesito una librería en .NetCore que no depende de net framework que se encargue de firmar un documento pdf con los siguientes parámetros: 1. Receptar un documento pdf desde cualquier ubicación de archivo o en memoria (byte[] - stream) 2. El documento pdf debe incorporar al final de su contenido una sección para la firma electrónica de cada usuario. 3. La librería debe contener los métodos para validar la con la entidad certificante 4. La librería debe contener los métodos para obtener la trazabilidad de registros de firmas 5. La librería debe contener todos los métodos para firmar electrónicamente con algoritmo de tiempo. 6. Cada firma presentada debe contener un código qr que se debe gene...