Wcf application insert database sql 2008 vbnet query jobs

I'm in the process of converting my existing ReactJS application to 14 and could use a seasoned consultant to guide me through the process. Here's what you should expect from this project: - **Consultation:** - I'm looking for someone who is very familiar with Next.js. Your role will be to guide me through the conversion process and answer any queries I may have. - **Primary Goal:** - The primary goal of this work is to help me translate a react code base into nextjs app (14.0) route. - **Specific Assistance:** - Though I have a good grasp of , I might need assistance in mapping react components into the app. This is an essential part of the conversion that I might need help with. Your expertise in , particularly in to mapping react components

I'm looking for a skilled MS Access developer to create a billing and accounting database with a modern, minimalist interface. Key Requirements: - Customizable Reporting: The system should be able to generate a variety of reports on different aspects of the business, such as sales, expenses, and profit margins. These reports should be adaptable for future needs and allow for different levels of detail. - Integration with Existing Systems: The database will need to interact seamlessly with other existing systems and software used by the company, ensuring data consistency and accuracy. - User Permissions and Access Control: The system should have a robust user management system that allows for different access levels and permissions. This will ensure that sensitive financ...

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 both Ashlar and Microscopy Image Stitching Tool. You're free to employ placeholder images or your own sample images. It's essential that you're adept at using ASHLAR and MIST for seamless task execution. Your bid should evidence your understanding and experience in these software along with VB.NET. Ready to use explanation are available on various sites : Purpose is to understand and learn these two techniques, in VB.NET.

I'm looking for a seasoned mobile app developer to create a mobile chat application similar to WhatsApp, Telegram, and WeChat. The application should be available on both iOS and Android platforms. Key Features: - The app should incorporate end-to-end encryption to ensure all conversations are private and secure. - Group chat functionality is essential for collaborations and discussions. - Voice and video calling features need to be included to enable real-time communication. Visual Aesthetics: - The design of the app should be professional and corporate. It must project a sense of reliability and effectiveness at every touch point. Ideal Skills and Experience: - Experience in creating messaging applications or similar projects. - Solid IOS and Android development ex...

...my SQL codes with the triggers to life with a well-designed Apex Oracle application. The app is expected to have the following features: - Implementing data entry forms that are intuitive and user-friendly. - Developing robust data analysis reports that provide valuable insights in an easy-to-understand format. - Setting up a comprehensive user authentication and security system. - Creating a visual design that aligns with my company's corporate branding while also being colorful and vibrant. - Ensuring the application is responsive and works seamlessly on both desktop and mobile devices. - Implementing an efficient navigation and information architecture to enhance user experience. The ideal candidate for this project should have: - Extensive experience wit...

I'm in need of a skilled web developer highly experienced in both Angular and Javascript. The primary objective for this project is to create a website with a responsive design that aligns with my provided brand guidelines. Key Qualifications: - Proficient in Angular an...The primary objective for this project is to create a website with a responsive design that aligns with my provided brand guidelines. Key Qualifications: - Proficient in Angular and Javascript - Extensive experience in responsive design - Extensive experience in .Net Core and SQL Responsibilities: - Adhere to design and branding guidelines during web development - Create a website that is user-friendly on all devices. Please ensure to provide examples of past work with responsive web design during yo...

Hello We are seeking a skilled freelancer to assist with the upload and management of our app on the Google Play Console. The ideal candidate will have experience with app deployment processes, **Responsibilities:** - Upload APKs and manage app versions on the Google Play Console. - Optimize app store listing with compelling descriptions, graphics, and keywords. - Monitor app performance metrics and implement strategies to improve visibility and user engagement. - Ensure compliance with Google Play policies and guidelines. **Requirements:** - Proven experience with app deployment on the Google Play Console. - Familiarity with app store optimization (ASO) techniques. - Strong attention to detail and ability to adhere to deadlines. - Excellent communication skills and ability to work i...

Description I have a small Node/Docker application which does not work if the MongoDB library is included. Structure of the application is: Node Express application - Exposes a few simple test API endpoints. Docker - The Node application runs in a Docker container MongoDB Atlas - Currently this is *not* included but it is the objective of this work. I want the Node application to make a connection to MongoDB using the *native Mongo* driver. NOT Mongoose. NodeMon - Project is setup with file monitoring to save development time. Also, the Visual Studio debugger is enabled and appears to be working well. Here is a link to a Visual Studio project which contains a test version of the application error. It has had files removed for security an...

...applications, with the aim to identify and eradicate any potential vulnerabilities. Key Tasks: - Perform Open Source Intelligence (OSINT) - Port scanning - Man-in-the-middle (MiTM) attack simulation - Focus intensively on injection attacks (SQL, XSS) - Authentication and session management puncturing - Cross-Site Scripting (XSS) evaluation The ideal freelancer will have: - Strong experience in cybersecurity and penetration testing - Excellent knowledge and experience with Linux-based systems - Proven experience in web application security testing - Firm understanding of SQL, XSS and authentication vulnerabilities Your final deliverable will be a complete penetration testing report, detailing vulnerabilities found, their potential impact, and recommended remediati...

I'm seeking a proficient PHP developer to construct a PDF data sheet generator for products from a database. Key Project Objectives: - Create section generator user input screen to enter named sections which can be used across different products. - Have the ability to adjust sort order of sections are rendered when the PDF is generated. - Incorporate re-usable generic sections within the generated PDFs to maximize efficiency. - Use links to insert pictures for diagrams and product image. Ideal Skills and Experience: - Proficient in PHP Development - Proficient with a PDF generation library, (ideally TCPDF) - Experience in working with databases - Experience in image handling and manipulation for the chosen PDF library. The final product should generate data sheets t...

I'm in need of a professional who can help me with installing the Oracle 23c database on my Ubuntu Linux system. Key Skills: - Proficiency in Oracle database installation - Specific experience with Oracle 23c - Strong understanding of Ubuntu Linux The selected candidate should be able to: - Perform a detailed installation of Oracle 23c database (enterprise version) on Ubuntu Linux - Ensure proper configuration to meet the project's requirements - Provide guidance on any post-installation tasks that may be necessary Is there any possibility to install a 23c oracle database enterprise version not free version on docker?

I'm in need of an experienced Python developer to assist with the development of critical web security tools. While specific tools aren't outlined below - Subdomain Enumeration: Subdomains to be listed and categorized. - Directory Enumeration - Sensitive Parameter Detection - XSS Testing - SQL Testing

I'm seeking a skilled digital marketer to expand the reach and usage of my application, which is currently compatible with Android. Key Responsibilities: - Develop and implement strategies to increase user downloads and optimize retention rates - Drive lead generation and conversions within the target audience Key Requirements: - Proven track record in digital marketing, with a focus on mobile applications - Strong understanding of user acquisition and retention strategies - Proficient in analyzing market trends and implementing effective marketing campaigns - Experience with application promotion and growth on the Android platform - Familiarity with Teenagers, Young adults, and Parents' preferences and online behavior Please provide examples of previous work in ...

I'm currently seeking a skilled freelancer for a data entry job concerning primarily text data. The data to be entered will be provided in an Excel spreadsheet and will need to be accurately transferred to an online database. Ideal candidates should have: - Proficiency in Microsoft Excel - Experience with data entry into online databases - Attention to detail and accuracy Please place your bid based on the information provided, and get ready to embark on an engaging and fulfilling data entry task.

My need is for an experienced Web Application Developer who can build an application with multi-level functionality. Key Capabilities: - User registration and login system - Seamless payment processing capability - Provision of real-time notifications - Job posting and applications management - A search functionality using robust keywords and filters This application targets both individual users and businesses, thus requiring an understanding of user-centric design and excellent UI/UX skills. Job Posting and Applications: - Facilitate users' CV/Resume uploads - Incorporate job criteria matching capabilities - In-platform applications processing I am favoring bids from freelancers with prior experience in similar projects and a robust portfolio to show. A...

...processes it in Wordpress. The Incremental link makes a POST request to this script containing the data. In the script you see 3 types of actions in a switch: Add (new vehicle) Change (vehicle exists, adjustment is being pushed) Delete (vehicle is deleted) Below is a brief explanation of the three functions involved: add_post Here I build a Wordpress Query containing data from the POST request. Then I run a "wp_inset_post" function with this query. From that Wordpress function you will then receive a "post_id" with which I will add photos to the post. change_post Same as "add_post" but I use the "update_post" function because I already know the post_id. Then I'll delete all the photos from this post and add them again. I do ...

...and services in a visually engaging manner. *Project Details:* - *Scope:* Develop a 3D animated virtual website with interactive elements. - *Requirements:* Proficiency in 3D web development, animation, and virtual space design. - *Deliverables:* A fully functional 3D virtual website that effectively presents our brand and offerings. - *Timeline:* Flexible, aiming to complete the project within [insert timeline here]. - *Budget:* Competitive rates based on experience and proposal. *Responsibilities:* - Collaborate with our team to understand project requirements and objectives. - Develop a concept and design for the 3D virtual website. - Implement interactive elements and animations to enhance user experience. - Ensure the website is responsive and optimized for various devices...

I need a developer to build a PHP app using Google Sheets as a database. I want add a text on a field it'll to fetch rest row and column data from sheet. Check attachment. I'll enter only order number. This will involve: - Implementing a User Authentication system. Note that no specific features like social media authentication, two-step verification, or forgot password functionality are required. Just a simple log-in/log-out system will suffice. - Data validation will be key in this project. Each entry must be checked to ensure that it meets certain criteria before being stored in the sheet. - Real-time data synchronization between the app and Google Sheets. This means that any changes made in the app should be instantly reflected in the sheet, and vice versa. As far...

...already converted 50-60% to ) and also transfering our .NET to .NET CORE and our MS SQL to PostgreSQL Details of our current project STACK can be seen here -> Prerequisites: For this optimization task you can bid your normal hourly rate but for the long term project the starting wage will be as stated below. 1) Accept initial hourly rate of U$5.00 2) Accept and start work immediatly 3) Have 20+ hours a week for long term ongoing support and development. 4) If you are awarded the project accept IMMEDIATELY 5) Work hours: predominantly 20:00 to 03:00 (UTC -3 Brazil TIME) 6) Be available to work on weekends. Our projects use: GITLAB -> , ag-grid, C#, .NET API, MS SQL 2017 , WooCommerce digital product sales This is for ongoing long term development and

I'm in need of a skilled Java developer to create a Java application for my project. Key Requirements: - The application should be designed for efficient data processing. Additional Details: - The application doesn't need to interact with any other systems or APIs.

I am in search of an experienced app developer capable of creating a mobile application that focuses on enhancing children's mental math abilities. This project is specifically targeted for children aged 5 to 16 years old. The application should be compatible with both iOS and Android devices. Key Requirements: - The app should cover a range of mental math skills, including but not limited to Addition, Subtraction, Multiplication, and Division. The app should be engaging and interactive, making learning fun for children. - The target age group is crucial to consider when designing the user interface and experience. The app should be intuitive, easy to navigate, and visually appealing for children between the ages of 5 to 16. Key Features: - Get kids to do short mental ...

...not receive any pre-existing design templates such as Figma, but you may refer to a competitor's website for inspiration. The goal is to build a platform that efficiently categorizes Telegram channels and groups by country and category, facilitating easy navigation. This website will be developed using React, Node.js, and PostgreSQL. It must be fast, secure against common web threats including SQL injections, Cross-Site Scripting, and IDOR's. It should also be optimized for search engines to achieve high visibility online. Key Features of the Website: * Channel and Group Organization: Separate listings for channels and groups, categorized by countries and specific categories. * Search Functionality: Advanced search options allowing users to find channels and groups...

I am looking for a skilled professional who can help with various aspects of data processing, storage and workflow management using Pyspark, SQL, Airflow, S3, Hadoop, and Kubernetes. Key areas of support required include: - Data processing in Pyspark: Assistance with data cleaning and transformation tasks in PySpark. - Querying databases in SQL: Advanced optimization techniques, custom queries and data retrieval. - Workflow management in Airflow: Custom workflow automation and scheduling tasks. - Data storage and manipulation in S3 and Hadoop: Support for large-scale data storage and processing. - Container orchestration in Kubernetes: Assistance with container deployment and scaling. Specifically, the ideal candidate should be able to set up tables on Iceberg in Parquet ...

I'm in need of an experienced Python developer to assist with the development of critical web security tools. While specific tools aren't outlined below - Subdomain Enumeration: Subdomains to be listed and categorized. - Directory Enumeration - Sensitive Parameter Detection - XSS Testing - SQL Testing

I'm in need of a skilled database designer and manager who' is confident in English. The project involves creating and maintaining a relational database. Key Requirements: - Advanced knowledge of Relational Databases - Proven experience in database design and management - Must be be fluent in English Experience with: - Customer data management or transaction records (preferred but not mandatory) I'm looking for someone who can work on this project with no strict time limit.

I'm in need of a Spark Developer who has a good, intermediate level competence in Scala. Your primary task will include: - Processing and analyzing structured data similar to SQL databases. Given the nature of this project, prior experience with data processing and working with SQL databases would be a huge advantage. While performing machine learning algorithm implementation or real-time data streaming isn't explicitly required, any exposure to these areas would be beneficial.

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 in ASP .NET web proje...

We are looking for an experienced Python Django developer to create a travel web application using PostgreSQL as the data storage solution. The project involves building features for documenting, sharing, and planning travel experiences. To ensure efficient development, the project is broken down into iterations, starting with an MVP and gradually adding more features. Below is the detailed description of the required work: ### Project Overview The web application will allow users to document their travels, share them with friends or the public, and plan future journeys using curated recommendations. ### Responsibilities The most important part is "Iteration 1: Minimum Viable Product (MVP)", this will be used to test the market. Other iterations will be worked o...

...learning. Strong analytic skills related to working with unstructured datasets. Experience with big data tools: Hadoop, Spark, Kafka, etc. Experience with data pipeline and workflow management tools. Experience with AWS cloud services: EC2, EMR, RDS, Redshift. Experience with object-oriented/object function scripting languages: Python, Java, Scala, etc. Proficiency in SQL and experience with relational databases, query authoring (SQL) as well as familiarity with a variety of databases. Excellent problem-solving skills and ability to work independently or as part of a team. Strong communication and collaboration skills to effectively work with teams across the organization. What We Offer: Competitive salary and comprehensive benefits package. Opportunities for prof...

...of a secure iPhone application designed to assist users in organizing their financial life. The application allows users to allocate a specific amount of money, which is then distributed on a daily basis. The application charges a 4% fee for facilitating these transactions. This white paper provides an in-depth understanding of the application's architecture, functionality, and its potential impact on the community. It also highlights the importance of security measures to protect user data and ensure the integrity of financial transactions. 1. 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 fu...

I...list featuring more than 500 companies. In the details you collect for each organization, I'd like to see the following: - Company Name - Contact Person Name - Contact Person Email. The ideal candidate for this task would be someone who is proficient in data mining and possesses broad knowledge of Oracle EBS customers in the manufacturing, retail, automotive industry. Prior experience in CRM database creation would be an added advantage. It's essential that all information gathered adheres to privacy and data protection laws, ensuring a legally compliant list. So, a freelancer with a keen understanding of these laws would be highly preferred. Accuracy of data is of top importance, therefore meticulous cross-checking is needed for each entry. I'm looking for...

...Technology Stack Selection: Front-end: Choose a JavaScript framework (React, Angular, Vue.js) considering factors like project complexity, team expertise, and desired features. Back-end: Select a server-side technology (Node.js, Python with Django/Flask, PHP with Laravel) based on performance requirements, scalability needs, and developer familiarity. Database: Choose a suitable database (MySQL, PostgreSQL, MongoDB) based on data structure, query complexity, and scalability requirements. Other Considerations: Authentication/authorization, payment processing (if applicable), CMS (if needed). 3. Development Process: Front-end Development: Implement the user interface and user experience using your chosen framework, following component-based architecture for maintain...

I'm in need of an IT specialist with a strong background in software development. The project aim is to develop an Android mobile application. Expected Skills: - Expertise in Android development - Proficient in Java and Kotlin - Strong understanding of Android SDK - Familiarity with RESTful APIs to connect Android applications to back-end services - Understanding of Google’s Android design principles and interface guidelines. Prospective freelancers should have a portfolio of previous experience developing mobile applications, specifically Android-based. The ability to effectively communicate the progress and potential issues is vital. Propose your plan of action to express your understanding of the project.

Hi Ahmed, Thanks for this opportunity. I am glad to connect with you and will try our best to deliver you a robust solution for eLearning product. We can provide you these features in Mobile Application: 1. Login/Signup using Mobile OTP 2. Landing page with courses and categories 3. Video Classes 4. Live Classes 5. Chat in Live Class 6. Mock Test Series 7. PDF & Notes 8. Offline Downloading 9. Payment Gateway Integration 10. Coupons 11. Challenge Module 12. ePapers 13. Student Community Deliverables: 1. Android and iOS Application 2. Super Admin Panel to manage the product 3. Technical Consultancy for all components required to successfully launch this product 4. App publishing and deployment Total Cost: USD 4000 Milestones: 1. Design and Planning Phase: 750 USD ...

It is necessary finish a project managemet application made in laravel. The change are: - make some change regard the flow, the links, the design, the ecommerce and report; - It is necessary experience in query, report charts, pivot builder and Business intelligence to change the reports that must have good design, many filter and cross. the charts must have drill down. Please answer only if have experiences in project management software and pivot-query-busienss intellegence. And show my the url of similar job made.

I'm in need of a devoted assistant to handle job applications on my behalf. This is a full-time responsibility that encompasses identifying and applying for jobs in the US market within the Information Technology sector. Your tasks will not be limited to applying only but will include: Key Responsibilities: - Applying jobs in , , - Tracking and initiating applications via online job portals - Scheduling interviews - Apply jobs with provided resumes Skills and Knowledge: - Proficient with online job search tools - Strong written communication skills This is a result-driven role, and the selection of the right candidate will be on the basis of efficiency and the aptitude to get me the maximum number of interviews. Appreciate your time and look forward to working together. Competiti...

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.

we need a packaging insert design for our "JAKAX" Amazon brand which is cushion , pillow brand This design should be in golden color throughout. Totally four pages, I have given the necessary content on all four pages. I have given below what changes are required on any page but I want a better design. You can use small images and emojis to make it attractive to look at. I have also given below the QR code and my brand logo to be attached. NOTE ; Each pages should be A5 size ,All pages should be printed in A5 size. I have given the necessary changes page wise as follows Page 1: Add a line that says "sit back relax and enjoy" and use images and emojis to make the first page look good. Page 2: The second page is a letter from an owner to a customer. Add ...

I am looking for a seasoned web application developer to build a dynamic time registration/working day application from my project requirements and sketches. Key Application Functionalities: - Clock in/out: Users should be able to clock in and out, accurately logging their working hours. - Timesheet Generation: The application should automatically generate comprehensive timesheets. - Leave Requests Management: Users should be able to manage their leave requests seamlessly. - User Management: Including user registration, login, roles and permissions, and user profile management. User Management Features: - User Registration & Login: Ensure robust user registration and login functionality. This should be based on email and should also include a 'forgot...

I'm looking for a proficient SQL professional with notable expertise in SQL Server 2019. Key tasks will involve: - Query optimization - Database design - Data migration The ideal candidate should have a solid understanding of SQL Server tools and a proven track record in handling similar projects. Your previous experience and knowledge of SQL Server 2019 will be pivotal in this role. Your task will be primarily centered around maximizing the efficiency and effectiveness of the SQL Server. Preference will be given to professionals with certifications in SQL Server 2019 or related fields. Solid written and verbal communication skills are desirable.

A new type of Browser for a Start Up which tries to be in the Islamic matters. Our goal is to give the ummah the best safety in matters of Halal/Haram confrontation.

...develop a web application using JAX-RS, primarily focused on providing a seamless and secure user registration and login experience for the general public. Key Requirements: - The main functionality of the application will be user registration and login. - The system should be designed to ensure user data security and privacy. - The user interface should be intuitive and user-friendly for people with varying levels of technical expertise. Ideal Skills and Experience: - Proficiency in JAX-RS framework and web application development. - Experience in creating secure and efficient user registration and login systems. - A keen eye for user experience (UX) design to create a smooth and intuitive interface for general public. If you have a strong background in JAX-RS ...

I’m seeking a data expert to scrape a specific database and transfer all available fields into an Excel (.xls) file. The database consists of approximately 150,000 entries. Each record includes data such as name, business name, contact information, date of foundation, etc. Ideal Skills: - Strong experience in Web Scraping - Proficiency in transferring data into .xls format - Attention to detail to ensure all available fields are captured Purpose and Deliverable: - The objective of this project is to use this information for data analysis. - The final output will be an Excel (.xls) formatted file containing each scraped database entry. Operation Specifics: - You would be required to locate and scrape the database by Zip codes. - A full export of all...

...understand and implement complex backend features in my apps. - Firebase rules: A good understanding of how to set secure and efficient rules in Firebase is essential. - State management: I need to understand advanced state management techniques in FlutterFlow. - Data handling: I need to learn how to efficiently handle data within my applications and understand the best practices. I am a veteran PHP SQL developer and I find it difficult to wrap my mind around nosql and mobile app development in general. I am looking for: - An individual with advanced knowledge and experience in FlutterFlow. - Someone who can teach effectively in a one-on-one setting. - A patient mentor who can break down complex ideas into easily digestible concepts. - IMPORTANT: we need to understand each othe...

I need an attorney to create legal documents such as privacy policy, terms of use, and more if necessary for a dating app like Tinder. I am trying to launch in the US. The project is for business use, and please show me previous works working with privacy policies, terms of use, and more if you have done these before. You can benchmark documents that are doing similar service as my app (ie Tinder), but since our app has different capacities and functionalities, you might have to know how my app works to write comprehensive documents, I want this to be done ASAP.

I'm looking to develop a remote desktop application that is usable on both Windows and Mac systems. The main features I require are screen sharing, file transfer, and remote control capabilities. Key Features: - Screen Sharing: This feature will allow users to share their screen with others, enabling real-time collaboration and communication. - File Transfer: A secure and efficient file transfer functionality is essential for this application. Users should be able to seamlessly exchange files between connected devices. - Remote Control: The application must provide a user-friendly remote control mechanism, allowing users to take control of a remote computer and perform tasks as if they were sitting in front of it. The application should be robust enough ...

I'm in search of a seasoned JavaScript developer to handle the design and implementation of a graphical user interface (GUI) application. The focus of this project is predominantly on facilitating seamless user interaction. Key Responsibilities: - Use JavaScript to develop the principal application logic - Create an intuitive and engaging graphical user interface Ideal Candidate: - Has extensive experience with JavaScript - Can demonstrate prior experience or projects working on user-centered design and interface - Understands the nuances of GUI application development. If you comprehend the balance between aesthetics and functionality, and are capable of creating high-performing applications, then I'm eager to work with you. Looking forward to rece...

...to come in and optimize my code for efficiency, particularly in the areas of database queries and load times. Your skills and experience: • You have at least 5 years of experience in Laravel and you're familiar with Laravel 11. • You've previously developed websites using Laravel 11. • Your forte is optimizing code efficiency and database queries. • You have a strong understanding of how to improve page load times and database query speed. Your task: • Optimize my existing codes in Laravel 11, for open source project • Main areas for optimization include database queries and code efficiency • The goal is to achieve faster page load times and improved database query speed. • Test subsc...

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.

The goal is to create a mobile application (ios, android, web) for events management. It will be necessary to develop 4 applications: • Mobile application (users) • Back-end Admin • Back-end Organizer • Ticket scanner