Iphone app dev xml jobs

Objective: Develop a user-friendly website for customers to sell their used phones to our company. The website should seamlessly fetch price data from our existing Lightspeed retail (POS) system and also fetch price data from competitor's websites to pro...the competitor's websites. Database Management: The website should utilize a robust database management system to store and manage customer data, phone information, and pricing data securely. Shopify Integration: The website should integrate with our Shopify platform to generate and distribute auto discount codes to customers seamlessly. For reference, you can check Please feel free to reach out if you have any questions or clarifications. We look forward to receiving proposals from qualified candidates.

...have PHP coding experience/portfolio) You don’t have to create any extra modules; just make changes to the existing review plugin. Should write clean/expert-level design code and create a professional look. Styling manual available online. However, it is not just mere colour changes; features should be added. Developer documentation: All the requirements are included. PLEASE READ THE REQUIREMENT and put the correct amount (tentative) on which you can feel you can complete the task. Please don't quote 5-10 times after bidding. It must be done within the deadline—preference to those who can complete it as soon as possible. Include how many you need, and we need the task done by the period. Before the project or the agreement

...a proficient React Native developer to revamp my app through a series of updates, featuring prominently the implementation of In-App Purchases (IAP). Adeptness in handling Apple Store submissions and approval process is a prerequisite. Key Responsibilities: - Execute IAP implementation favoring a "single tier subscription" model. Understanding the specifics and subtleties of subscription-based purchases will be vital for this. - Update the existing code to ensure smooth functionality and enhance user experience. Ideal Candidate: - Proficient in React Native - Proficient in iOS submission and approval process - Familiarity with implementing IAP - Previous experience with subscription-based applications Let's work together to take this app to the nex...

...a proficient React Native developer to revamp my app through a series of updates, featuring prominently the implementation of In-App Purchases (IAP). Adeptness in handling Apple Store submissions and approval process is a prerequisite. Key Responsibilities: - Execute IAP implementation favoring a "single tier subscription" model. Understanding the specifics and subtleties of subscription-based purchases will be vital for this. - Update the existing code to ensure smooth functionality and enhance user experience. Ideal Candidate: - Proficient in React Native - Proficient in iOS submission and approval process - Familiarity with implementing IAP - Previous experience with subscription-based applications Let's work together to take this app to the nex...

...a proficient React Native developer to revamp my app through a series of updates, featuring prominently the implementation of In-App Purchases (IAP). Adeptness in handling Apple Store submissions and approval process is a prerequisite. Key Responsibilities: - Execute IAP implementation favoring a "single tier subscription" model. Understanding the specifics and subtleties of subscription-based purchases will be vital for this. - Update the existing code to ensure smooth functionality and enhance user experience. Ideal Candidate: - Proficient in React Native - Proficient in iOS submission and approval process - Familiarity with implementing IAP - Previous experience with subscription-based applications Let's work together to take this app to the nex...

...having an APN issue - InvalidApnsCredential - with my communication app on the iPhone. This problem occurs in the live environment and needs an immediate resolution. Ideal freelancer for this job: - Have extensive experience troubleshooting APN issues - Proven skills in iOS app development, particularly communication apps. - Deep understanding of iOS live environment - Strong problem-solving skills - Good communication and ability to provide updates frequently Your task will be to: - Analyze the APN issue and determine the root cause - Craft a comprehensive solution to rectify it - Implement the solution successfully - Test the app extensively in the live environment to ensure the problem is fully resolved and the app is running without any glitche...

...developer to create an Annotate app that allows users to create annotations on top of digital images or scans within a textfile. The app ideally is we web-based c Preferable via javascript and/or php. a web base app to be used via browser. Main functionality of the app should include the ability to load an image and to create annotations on top of digital image with a freehand highlight on the images with text. Users should also be able to export the annotations in XML format, with the name of the image and accompanying annotations text. note they can be many annotations in one image. and there needs to be an easy brows to load more images when done with one image. Also there should be an option to load an annotations to edit and fix and then expor...

...more than 15 SEO Specialist - Expert in all Platform/Store websites - Working through Google's Latest Algorithm - More than 850 Positive Reviews OUR SEO PLAN : A 1. Website Audit 2. Perfect Keyword Research and Targeting B: ADVANCE ON-PAGE SEO 1. Creation of Meta tags with your Brand keywords 2. Content optimization 3. Optimizing tags H1, H2, and H3 4. Fixing 404 errors 5. Creation of XML Sitemap 6. Keyword Density & Proximity 7. Alt / Image tags Optimization ..........17 MORE ACTIVITIES.......... C: QUALITY OFF-PAGE SEO 1. Article Submission 2. Press Release Submission 3. Classified Submission 4. Blog submission 5. Do Follow Blog Commenting 6. Forum posting 7. Social bookmarking ..........15 MORE ACTIVITIES.......... Chat with us to know about our...

...customer details. - User Experience: An intuitive product search and filtering feature to provide customers with a seamless shopping experience. Plus, integration of a reliable shopping cart and user registration/login functionalities. - Back-end Features: The inclusion of an XML generator and a comprehensible back-end setup for hassle-free site management. Experienced candidates will have a strong background in web design and development, particularly with e-commerce platforms. Proficiency in Stripe payment integrations, XML programming, and expertise in developing user-friendly, minimalist design interfaces would be integral to carry out this project successfully. The back end will need to allow the Admin to enter required id numbers for each style and product code r...

you did a project to import XML files for me. I'm trying to get it running on a new computer. Can you help me?

I want a very skilled flutter dev who will work live - 8 to 12 hours per week and show me his updates each 15 ~ 20 minutes during a working session . If you are not willing to do that , please don’t send your interest to the project .

I'm in need of an application developed for iPhone that is designed to scan the ISBN numbers on a book using the camera's OCR and then copy the isbn camera must stay open the whole time and just display and copy the isbn. The content within the app will only be text. The app is intended for quick and efficient cataloguing of books and their details for easy accessibility and reference. This project does not require any additional features such as bookmarks, font size adjustment, or night mode. Ideal candidates should: - Be familiar with Optical Character Recognition (OCR) technologies - Have previous experience with iOS application development - Be able to work on rapid timescales as I require the project to be completed ASAP. - Have a portfolio that shows s...

...a proficient React Native developer to revamp my app through a series of updates, featuring prominently the implementation of In-App Purchases (IAP). Adeptness in handling Apple Store submissions and approval process is a prerequisite. Key Responsibilities: - Execute IAP implementation favoring a "single tier subscription" model. Understanding the specifics and subtleties of subscription-based purchases will be vital for this. - Update the existing code to ensure smooth functionality and enhance user experience. Ideal Candidate: - Proficient in React Native - Proficient in iOS submission and approval process - Familiarity with implementing IAP - Previous experience with subscription-based applications Let's work together to take this app to the nex...

I am looking for a skilled app developer with proven experience in working with the React Native framework. The ideal candidate should have a portfolio that demonstrates their expertise in developing apps using React Native. The project involves working on a contract basis from home, providing app development services. The monthly remuneration for this role is expected to be between R$ 5,000 and R$ 14,000. Requirements: - Strong proficiency in React Native framework - Portfolio showcasing previous app development projects - Ability to work remotely on a contract basis The client has already sorted out all the details and has a clear concept and design for the app. Therefore, the developer will be expected to work on implementing the provided concept and desig...

...my paid app, with main attention on an iOS platform. The app, although user-friendly and sleek, has unique features that set it apart from the rest. These features are the key selling point that the potential marketer should be well-versed in elucidating. The marketing strategies I prefer are: - Influencer Marketing: Ability to create and nurture relationships with influencers in order to reach a wider audience. - Social Media Advertising: Aptitude in marketing through different social media channels, with effective and attractive content creation. Having experience in marketing apps and a knowledge of the iOS platform will give freelancers the advantage. Creativity, excellent communication skills and a solid understanding of our target demographic are also greatly desi...

...a proficient React Native developer to revamp my app through a series of updates, featuring prominently the implementation of In-App Purchases (IAP). Adeptness in handling Apple Store submissions and approval process is a prerequisite. Key Responsibilities: - Execute IAP implementation favoring a "single tier subscription" model. Understanding the specifics and subtleties of subscription-based purchases will be vital for this. - Update the existing code to ensure smooth functionality and enhance user experience. Ideal Candidate: - Proficient in React Native - Proficient in iOS submission and approval process - Familiarity with implementing IAP - Previous experience with subscription-based applications Let's work together to take this app to the nex...

I seeking to find a professional editor that edit me a video about my journey of seeing how fit I can get over 30 days. In this video which will be like a documentary style is filmed with the iPhone 11 and a GoPro. Ideally, I’d like to video to be around 30 minutes and make it as good as quality as it can be.

ISO a dev familiar with Wix and Uplisting property management software (PMS) to create a custom calendar widget for my site using Uplisting API docs (). Widget should always GET available dates for an individual listing with response being price, and restrictions such as availability, minimum length of stay and if closed for arrival We want user to be able to: - view available and not available dates for the specified property listing - view prices variable to the dates selected, synced from our PMS - Click "book now" and progress to the direct booking screen (hosted by Uplisting where payment will be processed) Example: Example site, where the property management company has created their own

I am urgently in need of a logo fix. My current logo is distorted and pixelated, making it look unprofessional. The exact issue I'm experiencing is difficult to identify, but refreshing and optimizing my logo should solve it. The only format I have for it is a photo on my iPhone, but I would appreciate it if you could provide the updated logo in PNG, JPEG, and SVG format. Logo needs to be in CMYK color space and have a minimum resolution of 300dpi. A 0.125" bleed from each side of artwork The ideal freelancer for me would: - Be able to work quickly, as I need this done ASAP - Have experience with logo design and resolution enhancement - Be proficient in color correction and gradient adjustment - Possess the ability to convert image files to different formats - Know how t...

As a specialist doctor, I require a dedicated iPhone application for seamless communication during my on-call hours. This app should be capable of overriding all phone modes to ensure high volume ringing, so I never miss a call. Key Features: - High Impact Sound: The app must guarantee loud ringing, irrespective of the current phone mode or setting. Additional Elements: - Record Keeping: The app should keep a tab on call statistics such as the date and time of the calls, plus the duration. Ideal Skills and Experience: The ideal candidate should have experience in iOS app development, specifically applications featuring record-keeping functionality. Understanding the needs of medical professionals and experience working on similar projects will be high...

I need assistance from an experienced software developer to implement some changes to my HRMS system (Human Resource Management System). The ideal team or individual will have extensive knowledge in PHP and web application development. The tasks at hand will primarily involve: - Manipulating the web application environment to suit my requirements. - Interacting with different functionalities of the application such as User Authentication and Database Integration. The preferred service provider will have: - Proven experience in developing PHP Web applications. - Strong knowledge of and experience with HRMS (bonus). - Excellent troubleshooting skills. - An ability to effectively communicate and understand project requirements. Please provide examples of similar projects you have comple...

I'm in need of a talented Solana developer to construct a DEX (Decentralized Exchange) with specific features and design principles. I envision the platform to have a minimalist, clean design that is user-friendly. Key Functions: • Integration of Liquidity pools • DEX Interface Additional Aspects: • User authentication process integration with a wallet, that supports solana wallet Ideal Skills and Experience: • Solid knowledge of Solana • Prior experience in Decentralized Exchange (DEX) development • Comfort with minimalist design If your experiences align with the specifics outlined above, I'm eager to hear from you.

Build a Build/Web application on React Native. The application is very simple. It allows users to login and interact with an AI bo...Build/Web application on React Native. The application is very simple. It allows users to login and interact with an AI bot, needs to have the following features: 1. Login via Social 2. Chat Interface (ability to send text & image) 3. Setting/Profile Edit Screen /Logout 4. One data log view screen 5. Reports tab with 4 charts. Backend API will be provided to you. Only Dev need, Do not include time to publish on app store. The app will be given to beta users only initially. But its important that you have experience in test, beta and live publishing across platforms. When applying please do attach a list of apps that you have publ...

We are looking for an Entry-level React Node Developer to work on my project. The specific features that I need for my pro...for an Entry-level React Node Developer to work on my project. The specific features that I need for my project include user authentication, payment integration, and real-time updates. Preferred Technology Stack: - React and Node.js Responsibilities: - Create a form that generates results in the admin panel - Export the results in PDF format -The for should be in web version as well as in mobile app Ideal Skills and Experience: - Proficient in React and Node.js - Experience with real-time updates - Strong problem-solving skills - Attention to detail If you are an Entry-level React Node Developer with the required skills and experience, please apply for thi...

I'm actively seeking an experienced Golang developer with a specific focus on back-end development. I have a key project that revolves around a Texas Hold'em game that needs a proficient developer to help streamline my back-end processes. Here’s a brief outline of what you'll be working on: - Implementing Back-end Development: You will be primarily responsible for handling the backend development of the Texas Hold'em game. - Ensuring Multiplayer Support: It's vital for this project that the game supports multiple players. Your role will involve ensuring that the backend can handle simultaneous requests and interactions from different players. Ideal candidates should have: - Websocket Cluster with Golang. You need to be proficient in implementing websock...

As the project lead, my aim is to create a MERN stack web application focusing on archiving and visualizing genocide data. This sophisticated application aims to not only store critical data but also provide an avenue for its effective visualization. Key functionalities I'm looking for are: - User Authentication: Only verified users should be able to access the data for integrity purposes. - Data Visualization: The main feature of our application is the log and visualization of genocide data. Ideal candidates should have prior experience or strong knowledge in MERN Stack Development with a bonus for experience in data visualization. Proficiency in designing user-friendly interfaces and an understanding of data integrity will be highly valuable.

Hi I've created a very simple family-friendly iOS app called using SwiftUI. The app offers text instructions for simple, engaging party games suitable for all ages, like Charades. The app contains 50+ games for free, and users can add another 80 games through an in-app purchase. See the video! It's pretty much complete! I have all the views, animations, content, design build, and even a basic implementation of in-app purchasing. Your Role: In-App Purchasing Integration: The main task is to complete the in-app purchasing so it is ready for the app-store. I have already done the basic StoreView (StoreKit 2) for the game pack (see video), but have not handled the different purchasing states the purchases/refunds/restored pu...

I'm on the hunt for an audio professional who can significantly improve the au...in the audio's clarity. - This task is for a film longer than 30 minutes, so I need someone who can maintain consistency in quality throughout. - The film is in MP4 format. It's crucial that the freelancer knows how to work around this format while preserving the original quality. - The audio needs to be synced back to the video once enhanced Footage was filmed in an open gymnasium space on an iPhone 13. The presenter used a Shure headset that produced sound through a speaker. While the presenter spoke clearly, it is not easy to undertsand the content, as there is background noise. In a nutshell, I need a freelancer who’s experienced in long-format audio editing and possesses a ke...

I am seeking a domain name for a software/application development company. The name should be memorable and distinctive. I've explored numerous options...I've explored numerous options on , but most are either taken or excessively pricey. The winning domain name needs to be available for purchase on and should follow the format www.[websitename].com. Here's a list of word ideas to inspire the domain name, though it's not mandatory to include any of these words in the domain name: Access App Array Automate Binary Bit Byte Char Cloud Code Constant Crypto Data Dev Development Digital Do Double Dynamic Encrypt Encrypted For Form Forms Function Hex Hub Int Integer Lab Let Loop Object Objective Process Program Query Return Signed Software String Super Tech Too...

Seeking an expert who can assist in accessing an iPhone remotely to recover data. This data includes text messages, call logs, and photos and videos. Ideal consultants for this task should possess: - Extensive experience in remote iPhone data recovery. - Strong understanding of iPhone security systems. - An in-depth knowledge of how to access text messages, call logs, photos and videos. Please note: This project is strictly for legal purposes, and all bidders must comply with local and international laws regarding privacy and data access.

...copied to the NAS in the invoice folder, then print the packing slips. *Validate data to be imported and warn User about the encountered errors. Packing list should not have any cost. Invoice should have price each in the price column. Change Bill To on the invoice and packing list Change shipping location based on the "deliver to" address1, address2, city, state, zip in the xml response Have options for pulling from the XML all or new. Accept/Fail options: Depending on the invoice printing or not, an Accept/Fail box will be checked for customer notification. Print labels using the "3 of 9" barcode font using the data set in each PO. Labels should include: part number, quantity, PO, Unit of measure (EA), description, vendor code, ship to address, and ...

...a proficient React Native developer to revamp my app through a series of updates, featuring prominently the implementation of In-App Purchases (IAP). Adeptness in handling Apple Store submissions and approval process is a prerequisite. Key Responsibilities: - Execute IAP implementation favoring a "single tier subscription" model. Understanding the specifics and subtleties of subscription-based purchases will be vital for this. - Update the existing code to ensure smooth functionality and enhance user experience. Ideal Candidate: - Proficient in React Native - Proficient in iOS submission and approval process - Familiarity with implementing IAP - Previous experience with subscription-based applications Let's work together to take this app to the nex...

...a proficient React Native developer to revamp my app through a series of updates, featuring prominently the implementation of In-App Purchases (IAP). Adeptness in handling Apple Store submissions and approval process is a prerequisite. Key Responsibilities: - Execute IAP implementation favoring a "single tier subscription" model. Understanding the specifics and subtleties of subscription-based purchases will be vital for this. - Update the existing code to ensure smooth functionality and enhance user experience. Ideal Candidate: - Proficient in React Native - Proficient in iOS submission and approval process - Familiarity with implementing IAP - Previous experience with subscription-based applications Let's work together to take this app to the nex...

Seeking a mid-level React native developer for a part-time project that involves front-end development. The ideal candidate should have experience in building user interfaces and implementing designs using react native typescript and toolkit knowledge is must

...professional who can provide detailed project proposals. Leveraging their skills and creativity, they will adjust the store to reach optimal functionality. Store will contain two things: 1. Automatic product import from amazon to the word press store page category we are starting with these category structure Category structure Shop -Desktop -Laptop -Tablets Phones -Samsung -Iphone -LG -Xiami Surveillance Equipment -Surveillance & Security Cameras Switches Access points Accessories -Dongle and Docking Station -Laptop cooling pad 2. AutoBlogging of said product to Blog page can be schedule by me every week, day or month Key Requirements: - Must provide a comprehensive project proposal outline each stage and object with timeline

I have a Windows application connected to a Microsoft SQL Server where the server and database names in the VB.NET connection string...installed on Windows 11 due to compatibility issues. So I need to replace it either with : - Microsoft OLE DB Driver for SQL Server OR - Microsoft ODBC Driver for SQL Server I am not sure which way would be better. I need to replace connection string. Code can be reused and I would not change except where is needed. I have form where I choose to connect to database. This connection string is saved to XML file. This part I would not change except whats needed. Their task would involve: - Changing both the server and database names within the VB.NET connection string as specified by me. Please include in your proposal specifics on your experience ...

I'm looking for a specialized AI and web development freelancer to implement natural language processing (NLP) into my project. This specific AI functionality will be primarily used for information extraction. Key tasks for this project include: - AI Development: You'll design and implement NLP for efficient information extraction, making it easy for users to retrieve relevant data. Experience in AI programming, specifically with NLP, is necessary. - Web Development: Programming and coding will be key aspects of this project, along with user interface design. The goal is to have an intuitive front-end which integrates well with the AI functionality, thus improving the overall user-experience. Ideal candidates will have a strong portfolio showing prior work in both AI and web de...

I'm in need of a seasoned Esp32 Arduino Developer who can support a long-term project focused on developing an advanced monitoring system. Key Features Required: - Wireless Communication: The system should boast seamless wireless communication capabilities. - Sensor Integration: The selected candidate should be proficient in integrating varies types of sensors into the system. - Data Logging: Expertise in data logging is a must, to capture and store relevant information. Objective of the Project: The primary purpose of this project is to build a comprehensive monitoring system. Types of Sensors Required: - Temperature Sensors: An integral part of the system that tracks and logs temperature. - Humidity Sensors: Required for monitoring and recording humidity levels. Ideal skills a...

I am an android and Ios developer . Inside an app , I have implemented a library that allows to play very simple multi player games using photon .Code is clear , right now 2 games are coded and the 3 one has started but is not finished . Games are very basic and code is very clear . I need an experienced Photon Unity dev to handle the third game and finish it according to my specifications . It would be a team work . Photon experience is mandatory and android and/or ios experience is very important . Games are functional but need to be tested in real conditions . Communication is key along with Photon/unity and mobile experience . I will provide the code , freelancer would study it and we would work from there .

We need the following screens completed We need the full prototype FIGMA , working. We need the full git hub repo checked | Existing Git Hub REPO Protoype needs to be operational ( Figma ) We would like all dev work to happen via AGILE style using JIRA project management tool. These are the sprints remaining. SPRINT 3 Pleas be aware each sprint needs to be done by 24 hours time. We want to work with freelancers only. Don't contact us as a Business Development or Relationships / Sales person.

I'm on the hunt for a highly skilled Business Development Executive/Manager to join our game development studio. This role requires a strong understanding of the gaming industry and is ideally suited for an individual with proven sales and marketing prowess. Skills and Experience: - Proven experience in sales and marketing - In-depth understanding of the gaming industry - Stellar client relationship management abilities Main Role - Get clients for our readymade mobile casino games - Get New client with game projects like, casual games, arcade games, hyper casual games, any type of mobile games Key Responsibilities: - Generating leads for new clients - Negotiating contracts and solidifying deals - Overseeing and maintaining ongoing relationships with clients Target Audience: ...

I need someone with a great experience in POS (point of sale) machines, RFID technology, RFID reader in android/iphone phones.

As a property manage...financial transactions. It should be able to handle member's payments, ranging from maintenance fees to amenity rentals. Moreover, it should also provide up-to-date financial statements for all transactions. - Event Management: An intuitive module that enables us to schedule, manage, and send reminders for society events. Ideal candidates for this project would have previous experience with web dev roles, especially ones dealing with management system development. A strong understanding of database management, user interface design, and secure payment processing, is essential. Familiarity with event management systems would also be a plus. If you believe this matches your skillset please proceed with a detailed proposal. Looking forward to potentially...

I'm looking for an experienced web and app developer to design and develop a platform for selling services. Key Features Required: - The main purpose of this platform is to promote and sell services to potential customers. - An essential functionality that needs to be integrated is an online booking system. This should seamlessly work to book appointments for the services offered. Ideal Freelancer: - Skilled in creating websites and apps with similar integrated features. - Experience in developing e-commerce platforms will be highly beneficial. - Must be able to incorporate secure online booking systems.

Seeking a mid-level React native developer for a part-time project that involves front-end development. The ideal candidate should have experience in building user interfaces and implementing designs using react native typescript and toolkit knowledge is must

In this photo editing project, my requirements are to have my current phone in the image replaced with an updated iPhone 12 model. The iPhone 12 should be of black color and showcased within a classy leather case. Ideally, your skills and experience should include: - Proficiency in photo editing software - Previous experience with image manipulations - Ability to color correct and retouch images - Advanced skills in background removal - Fine attention to detail, particularly with color and texture matching.

We are looking for a new logo for a product range that we are developing. The logo should contain a logo that can be used on the product and a logo with wording for use on the pro...we are developing. The logo should contain a logo that can be used on the product and a logo with wording for use on the product website. The product category. - Devices are "find my" devices that work with the Apple Find My system. - These devices are for a wide range of products from bikes to car keys, to personal items. - these devices are for when items are misplaced / lost to use your iPhone to find them again. Brand name : Sonfiy web address: Logo info - is to be simple yet identifiable that can be used on products. - To convey location - not losing items - remember where you ...

...Provide: High-resolution images of iPhones to be used in the layout. Brand logo and any specific graphics or icons, if available. Your Tasks: Create a Background: Utilize our light grey and white to produce a clean, gradient or solid background that complements the tech theme. Device Arrangement: Mimic the depth and layering of devices as seen in the provided reference image, using the iPhone images I will provide. Design Elements: Develop or source tech-related icons and graphics that represent our services (screen repair, battery replacement, etc.). Remove any holiday decorations and replace them with neutral, tech-oriented visuals. Text Placement: Designate areas for service descriptions and marketing copy next to each device image. Ensure legibility wit...

I'm seeking an experienced developer to create an engaging gaming app targeted at teenagers for the iPhone. The game's genre may vary, as this aspect is open for discussion. Skills and experience required include: - In-depth knowledge and practice of iOS programming - Experience in game development and design - Understanding of teenage gaming interests and trends - Proven ability to create user-friendly applications With these skills and experience, I am confident in finding someone who can produce a game that will not only catch, but hold, the interest of the teenage demographic.

I am seeking a proficient Python developer to create an API that generates FACTUR-X format invoices. The successful candidate should have experience with Python, API development, and dealing with PDF/A and XML files. Key requirements of this task include: - The API should be primed with a JSON file as its payload and should return a PDF file upon completion. - The generated PDF invoice should be accessible through a downloadable link. - The embedded XML file in the PDF should contain advanced details including Discounts and Tax information. Beyond just Python, experience with PDF generation and handling data in the FACTUR-X format will be highly valuable for this task.