Android simple xmpp client jobs

As a service-based company, our main objective is increasing our revenue in t...business strategy and a 3-year plan that can help us address these issues and achieve our business goals. The key pillars that the prospective strategy should be built on are: * Revenue Growth: Identify innovative ways to diversify and maximize income. * Client Acquisition: Develop methods to attract and secure new clients. Ideal Skills and Experience: - Proven experience in business strategy and planning - Expertise in the service provision market dynamics - Considerable success in driving profitability and growth - Strong background in client acquisition tactics - Ability to think creatively and strategically. We invite expert freelancers to offer their service, bringing along their experienc...

I'm seeking a talented full stack developer for initial software development for a pathology lab. The software must be responsive, user-friendly, and robust, catering to patients, staff, and referring doctors. Here's what we need: 1. **Choice of Platform**: As the client, I am open to using Angular, React or PHP for the development along with SQL Server/MySQL for the database. Feel free to recommend a platform when you apply. 2. **Essential Modules**: - Building Patient Database (From existing Lab Software - Which will remain as is). This database will be used for Whatsapp , email , SMS Marketing (This also is part of scope) and also For Patient Web App interface. Whatsapp API interfacing will be required for sending and interacting with Patients. - Patient Web App inter...

I'm seeking a competent developer to create an Android-based OBD (On-Board Diagnostics) application and a corresponding dashboard. The primary aim of this project is to provide real-time vehicle diagnostics. Key requirements: - Development of an Android OBD application: This application should be able to collect and analyze real-time vehicle data, particularly including but not limited to Engine RPM, Vehicle speed, Fuel level, Coolant, and other relevant metrics. - Implementation of a corresponding dashboard: The dashboard needs to present this data in an easy-to-understand and user-friendly format. Ideal Skills and Experience: - Proficient in Android development: The chosen applicant should have demonstrable experience in developing Android applica...

I'm looking for an experienced Android developer to create a high-quality app for me. Key Requirements: - Development specifically for the Android platform - Timely delivery - I need this app completed within a month Ideal Skills and Experience: - Proven experience with Android app development - Strong understanding of UI/UX principles - Ability to work to tight deadlines - Excellent problem-solving skills - Good communication and collaborative working style.

Searching for an adept app developer proficient in both iOS and Android. The main goal of the project is undisclosed but it must incorporate an in-app purchases feature. Skills and Experience: - Proficient in iOS and Android platform development - Extensive knowledge and experience with in-app purchases integration - Able to work with minimal direction and fill in gaps as needed due to unspecified project aim - Innovative and forward-thinking to create engaging and user-friendly design elements - Strong problem-solving skills and the ability to work under pressure to meet deadlines Ensure to include relevant work samples or links to previously developed apps within your bid. Offers without this will not be considered. Looking forward to collaborating with an experienced, ...

We seeking an experienced developer to create a comprehensive, user-friendly cryptocurrency wallet, designed for both web application and mobile (iOS & Android) platforms. The wallet needs to be completed within a month. Key Features: - Transaction History: Display a detailed record of all crypto transactions. - Two-Factor Authentication: Enhance security with 2FA. - Multi-Currency Support: Capable of accommodating various cryptocurrencies. - Buy, Sell, Swap: Offer seamless options to buy, sell and swap cryptocurrencies. - Send & Receive: Enable easy sending and receiving of cryptocurrencies. - Multi-Chain Support: Ensure compatibility with multiple blockchain technologies. User Interface: - Aesthetically appealing and customizable interface with an emphasis on user-frien...

I'm looking for a skilled web developer to take on the maintenance and other web development tasks of my website. Maintenance Tasks: - Bug Fixing: You'll be responsible for identifying and fixing any bugs that may arise on the site. - Content Updates: Regularly updating and maintaining the website's content to ensure it remains relevant and engaging. - Performance Optimizati...current and appealing to users. The tasks are expected to be performed on a monthly basis. We'll work together to prioritize tasks and ensure a smooth workflow. Ideal Skills: - Proficient in web development and maintenance. - Experience with bug fixing, content updates, and performance optimization. - Skilled in adding new features and website redesign. - Good at communication and understandi...

I am seeking an experienced and creative interior designer to help me achieve a contemporary look for my single family custom home. Key Responsibilities: - Designing the interior of the who...desired neutral tones color scheme - Maximizing the functionality and comfort of the living spaces Ideal Skills and Experience: - Demonstrated experience in interior design, particularly with contemporary style - Strong knowledge of color theory and ability to create a cohesive color scheme - Good eye for detail and aesthetics - Excellent communication skills to collaborate effectively with the client and other stakeholders I am looking for someone with a keen understanding of contemporary interior design, and who is able to bring my vision to life while staying within the neutral tones col...

I'm looking for a qualified professional to build an engaging, vibrant, and colorful website. The site needs to include these sections: - Home - About Us - Contact Us Please note that I'll provide all content for these sections. As for "About Us", the client chose not to specify the information for this section, so a generic layout will do but should expect revisions once the information is provided. Your expertise in website design and understanding of user-friendly layouts are highly appreciated. This project calls for timely execution, so please only bid if you can complete it promptly. Your portfolio showcasing previous design work, particularly with a vibrant color palette, will be ideal. Experience with responsive design is also expected as the website sh...

I've launched my Digital/eCommerce Agency in Australia, focusing on small businesses initially. I seek a tech-savvy agency to provide white hat digital services at a reasonable cost. Key Requirements: - Search Engine Optimization (SEO): Enhance our online visibility and dr...Creative thinking and strategic planning for effective marketing strategies. - Prior experience working with eCommerce platforms like WordPress, Shopify, and Wix is a plus. Please apply if you have the expertise to help us grow and succeed in the digital world. Please show me experience of what you have done with examples. We can chat on price as this will be ongoing work once i aquire my first client, then grow the business. However, i need proven experience in the above mentioned as i want to provid...

...currently have an existing project that needs immediate frontend and backend changes. I need an experienced Android developer who is skilled in Java and Node.js. Frontend Changes: - The main focus will be on bug fixes. - I need you to identify the bugs present in the existing project and fix them immediately. Backend Changes: - I want API integration to be added. - The API needs to be seamlessly integrated into the existing backend which is developed in Node.js. The priority is high for these changes, and I need someone who can work on this urgently and effectively. Ideal Skills and Experience: - Strong proficiency in Java and Node.js - Proven track record of bug fixing in Android - Extensive experience in API integration - Ability to work on high priority projec...

This is GMS Promo LTD. We're looking for Sales Representative to reach other Client and to contact New Client. Will need to also help shelfing our Dog Leash in the Local Retail Store.

I require individuals from either Bangladesh or Pakistan to assist me with data entry tasks. Key Responsibilities: - Performing service to client requests. The ideal candidate should possess: - A strong work ethic and the ability to deliver tasks promptly - English language speaking.. - Need computer with screen resolution at least 1920x1080. If you are a data entry beginner from Bangladesh or Pakistan, eager to work and get paid based on the tasks you complete, please apply for this project. You will be paid for each task you successfully complete.

I have the following code on API RestClient WINDOWS FORM C#, The code works well on a computer with ON WINDOW 10 But on the computer where WINNDOS 7 is installed does not work *** Please: only those who know how to solve the problem for sure. THIS CODE var client = new RestClient(); var request = new RestRequest(); ("Authorization", ); ("Content-Type", "application/x-www-form-urlencoded"); ("grant_type", "authorization_code"); ("code", code); ("redirect_uri", "http://localhost:8083" ); ("scope", "scope"); IRestResponse

As an entrepreneur in the aviat...secure funding. An ideal candidate is experienced in aviation industry specifics and understands the nuances of achieving financial support in this sector. Key Details: - Aim: The primary purpose of the plan is to persuade potential investors to provide funding for our business. - Industry: We operate within the aviation industry, dealing with various business aspects in this domain. However, the client didn't specify the target market, which implies a broad coverage. Required Skills and Experience: - Proven experience in business plan writing. - Sound understanding and experience in the aviation industry. - Excellent persuasive writing and financial forecasting skills. - Strong research skills and ability to create compelling, data-backed...

...comprised of industry veterans, Confirmis business model is designed to overcome perennial lack of data (let alone quality data) to support effective decision making, particularly in developing economies. As a Site Verifier, you will be responsible for verifying a company’s existence through visual data by conducting a site visit to ensure that we provide reliable and accurate information to our client. JOB DESCRIPTION: • Conduct basic verification with the subject company’s authorized representative, such as line of business, key executives' name, etc. • Take pictures of the subject company and its vicinity, as per Confirmis’ standard operating guidelines. • Provide observation about the company to gauge activeness, e.g., staff working ...

...looking to develop an android application that will have some Bluetooth functionality but before that here is some context. I’m a motorcyclist, in the past I was using a dedicated GPS from Garmin called the Zumo XT. I could connect my phone to that GPS via Bluetooth and if I had an app called Garmin Drive installed on my phone it was able to share some information between my phone and the GPS like for example notifications or Music information: Notification example: Music information: I’ve now switched to using a Samsung galaxy tab active 3 as a navigation device instead of the dedicated GPS and I’m now missing the notification / music information shared between my phone and the device in front of me while driving. I’m looking to recreate that behavior...

I will do a Minor change in wordpress website as client asked

I am in need of a talented illustrator to bring a series illustrations to life for my website. - **Timeline**: This is an urgent project, so I need these illustrations completed as soon as possible. Loom Video Describing what I want done- Illustrations- 1. Above the fold- Agouti proud next to agouti van 2. Home Standby Generators- Need ALL agoutis in an agouti uniform. Id love to have the generator on the side of the house and the agouti standing with a customer (or husband and wife) who are obviously happy and the agouti is happy as well. 3. Commercial Generator on Services- The agouti needs to have an agouti uniform on with our colors. Needs to have the cayman islands in the background 4. Preventative Maintenance- Cover off of the generator and the agouti bending over looking i...

I am looking to have a simple Android app developed for the purpose of displaying information. The key objective of this app will primarily revolve around the demonstration of a payment processing system. I can send you screenshots showing every step of the process. It's a very simple app and payment gateway will not actually work. It's just a demo for how the UI will function when a credit card is entered. No information is stored. no database is necessary. Essential details regarding the payment processing system will form the core content displayed on the app. This will mainly pertain to credit card payments. Potential freelancers must possess the following: - In-depth understanding and experience with Android app development - Proficiency in ...

I require the expertise of a savvy 3D printing specialist to bring my low-detail prototype to life. Your task will be to create a basic shaped prototype, keeping precision at a relative minimum. Skills and Experience: - 3D printing expertise - Experience using ABS (Acrylonitrile Butadiene Styrene) material for 3D printing - Knowledge of prototyping design Your budget-friendly service, along with proven skill and experience is what I am after. If you possess the required skills and experience, I'm looking forward to working with you.

Basics With a permanent wish to improve our client services, we made it simpler. ​We are offering full account management for hosts. We need customer support specialists that can handle administrative tasks and account management (for hosts). The position is defined as Property Manager. The requirements for the applicant include strong attention to details, college degree, access to email and knowledge of use a device (computer or phone), basic software tools (Microsoft Office - Word & Excel). We need fast, accurate and specialized members. It is mandatory to pass a short trial test / finish a task, that could last between 2-4 hours, with the possibility of extension to up to 1 week, if the candidate is involved in other projects, or not available to start immediately

Need someone who can wrap flutter's audio_service plugin around Flet's video(not audio as video supports playlists). Ideally this can be either be done as a private project, or as a direct pull request to the Flet project. Essentially Flet's video plugin uses flutters mediakit and that needs to be wrapped with flutters audio_service on android. It would be nice if someone has experience importing flutter plugins to Flet project, if not, a contribution to mediakit as a pull request for foreground service support would be ideal. Then convince Flet devs to pull in the changes type thing.

I am seeking a seasoned Android app developer to create an application that will record vital information about interior décor items like blinds, curtains, and wallpaper. Key features should include: - Capturing specific measurements such as dimensions, fabric width, and mounting information. - Registering details about material type, color or pattern, tracks, and pelmets. - Collecting client data such as name, contact number, email address, physical address, and other items they are interested in. The ideal candidate should have solid experience in developing utility apps and a great understanding of interior décor measurements. Knowledge of Android development is a must, and appreciation for pristine user interfaces would be a bonus.

I'm in need of an experienced Virtual Assistant proficient in cold calling, lead generation, and appointment setting for a real estate business. As a part of job responsibilities: - You will be performing cold calling for 3-4 hours daily, generating leads and setting appointments. - A script will be provided which you'll follow for all cold calling tasks. Ideal client handling experience and a proven track record with lead generation and appointment setting is preferred. Your excellent communication and persuasion skills will be crucial to this role. Familiarity with real estate terminology would be a significant advantage.

As a client, I'm looking to have a set of small pages of stickers created that will serve as a fun and engaging way to promote energy-saving and electrical safety awareness, particularly for kids. Key Requirements: - Design: The stickers should feature a mix of elements such as lightbulbs, electrical outlets, power cords, green leaves, electricity symbols, and warning icons. These designs should be engaging and appealing to children. - Purpose: The primary goal of these stickers is to make energy conservation and electrical safety interesting and accessible to a younger audience. Ideal Skills and Experience: - Graphic Design: A strong background in graphic design, with experience in creating child-friendly designs. - Understanding of Energy Conservation and Electrical Safet...

Hi Clecio - I just noticed your profile and that you're online: we have a small Portuguese project that we'd like to place with you if you're interested. It's a 250 words file and we'd like it back today for delivery tomorrow morning early (we're in Amsterdam, so you could deliver anytime today your time). The source language is English and the client delivered a 'rough translation' already, which we think is probably machine translation. So you can either proofread that or translate from scratch. We're a translation company with very regular Portuguese translation work. Would you be interested? Best, Jan

We are seeking a dynamic freelancer to lead the promotion of our Android money SMS app in the African market. Our app offers innovative solutions for earning money by receiving SMS messages, providing users with a simple and convenient way to generate income. Project Overview: Our primary goal is to drive app downloads and user engagement through targeted promotional efforts across various digital channels.

...Florida. This role will work hand in hand with the owner to assist with real estate operations and client screening for rental properties. Your main responsibility will be replying to warm leads over a messenger service and conducting the initial screening according to a simple process to identify potential clients. Additionally, you will support us with various operational tasks, such as preparing contracts and coordinating property viewings. This role requires excellent communication skills and a strong attention to detail. Key Responsibilities: - Replying to hundreds of messages per day using a pre-designed script using copy and paste - Updating our CRM software with new and existing client data - Ensuring data quality and accuracy is maintained - Potentially as...

Hi Artur - I just noticed your profile and that you're online: we have a small Polish project that we'd like to place with you if you're interested. It's a 250 words file and we'd like it back tonight for delivery tomorrow morning early (delivery around 8 tomorrow morning is also possible). The source language is English and the client delivered a 'rough translation' already, which we think is probably machine translation. So you can either proofread that or translate from scratch. We're a translation company with very regular Polish translation work. Would you be interested? Best, Jan (in Amsterdam)

...comprised of industry veterans, Confirmis business model is designed to overcome perennial lack of data (let alone quality data) to support effective decision making, particularly in developing economies. As a Site Verifier, you will be responsible for verifying a company’s existence through visual data by conducting a site visit to ensure that we provide reliable and accurate information to our client. JOB DESCRIPTION: • Conduct basic verification with the subject company’s authorized representative, such as line of business, key executives' name, etc. • Take pictures of the subject company and its vicinity, as per Confirmis’ standard operating guidelines. • Provide observation about the company to gauge activeness, e.g., staff working ...

Google removed the android system webview from their google playstore sometime around April 6th of this month which broke our app that uses webview (version attached in .jpg image) for our Android TV (version 6.0.1) set-top-box. Basically, all that our App does is point to a URL ex: We are looking for someone that can help us fix this issue.

As the client, I need a skilled graphic designer to create a text-based logo for my project. I prefer a design that emphasizes simplicity and readability. Required Skills: - Proficient in Arabic language - Professional experience in creative text-based logo design - Strong understanding of color theory; specifically, neutral color palette including shades of black, white, and gray - Ability to provide revisions if needed until satisfaction The ultimate goal is to obtain an Arabic text-based logo that stands out, yet retains a sense of sophistication through its neutral color scheme.

It is a MetropolCard QR Payment application to be developed with Android Kotlin. Payment and Refund functions will be developed in accordance with the MetropolCard API document that we will provide within the scope of the project. This application will be made from scratch and will be based on the screens of a sample application that we will share as screen designs and will be revised according to our comments. After the functions of the application are developed, AIDL functions will be developed to be called from another application with AIDL and integrated with Master App AIDL. The developer will develop the application on his own computer and use github for version tracking. He will add me to the project on github from the beginning of the project, and at the end of the work, h...

Create a project in Laravel/php, which daily retrieves emails (personal account: Hotmail, outlook) and downloads client attachments to a project folder. List of tables can add more fields Client table: clientid, email, password_email Email table: idemail,subject, sender, message, UID( IMAP EMAIL id), folder, date, client_id Attachment table: attachment_id, attachment_name, email_id, processed(DEFAULT 0), content( data type json) Requirements Create view to see for each client their email list and for each email the attachments Generate function to recover the tokens for each email account, it must return the token Create a schedule to retrieve emails (with sender parameter include '@','@') and attachments (save in the email and attachment table) Cre...

I am seeking a skilled professional who can take ch...consultation appointments. This involves efficient time management and the ability to communicate effectively with both clients and my team. Ideal Skills & Experience: - Proven track record in lead generation, customer outreach, and appointment setting. - Excellent communication and interpersonal skills. - Strong negotiation abilities, particularly for closing partnership deals. - Onboarding Guru: Once a client signs on, you'll seamlessly transition into the onboarding specialist role This is a challenging but rewarding role for someone who thrives on sales and has a knack for building relationships. If you are a dynamic, self-motivated individual with a passion for closing sales and nurturing partnerships, I would lov...

As an individual seeking to promote my unique message, I'm in need for an HTML expe...my design into RESPONSIVE HTML page (TEXT inputs). The successful bidder should have experience in crafting such emails and be adept at blending text, images, and clickable links to optimize engagement. Key requirements: - The ability to translate my custom design into a HTML email message. - Exceptional skills in HTML, CSS, and responsive email design. - Strong understanding of email client compatibility issues and ways to work around them. - Experience in copywriting or visual communication is a plus, as you'll need to integrate text, images, and links into the design cohesively. ** FINAL DESIGN ATTACHED DELIVERY - VERY URGENT Delivery model: HTML CODE I look forward to ...

I am currently on the hunt for a skilled graphic designer who can create a text-based logo for my brand. As a client, my requirements are particularly specific: - Proficiency in text-based logo design - Ability to start as soon as possible - Versatility in design, as the specific style for the logo hasn't been set Please note that despite the style not being confirmed, examples of your previous work will highly contribute to the selection process. The right person for this job is not only skilled but also quickly adaptable and ready to take on a fast-paced project. Your creativity and ideas are welcomed.

I'm on the hunt for an experienced mobile app developer who can create a dynamic e-commerce application which sells audio tracks. This application is intended to support both Android and iOS platforms. Key Functionalities: Subscription-based app Login and authentication Make accessible a daily audio file within the app. Build a library of past days/months/years content that the user could access (additional subscription or not for access to archive TBC). Push notifications to make users aware of daily content. Third-party integrations Admin Panel > Manage content Ideal Skills and Experience: • Proficiency in developing e-commerce apps • Proficiency of working with audio and rich media content. • Extensive knowledge in cross-platform application developmen...

I'm in need of an experienced website developer to help me create a platform for music distribution. Key Requirements: - E-Commerce: The site should enable easy, secure online transactions for music purchases and streaming. - Design: Aesthetically pleasing and user-friendly interface for a positive user experience. - Music Distribution System: A system that ef...However, the initial focus remains on building a platform that allows for easy online music distribution. Ideal Skills and Experience: - Proficiency in E-commerce website development. - Experience in developing music streaming or distribution platforms. - Strong understanding of user interface design. - SEO knowledge. - Excellent communication and problem-solving skills to collaborate with the client on aspects that ...

I need some Android developers in java I need work from New freelancers I need work for long term but at low budget I need a serious and hard working persons

I'm seeking an experienced Android developer to create an application that includes integration with Facebook and Instagram. Although I didn't specify design preferences for the user interface, I'd appreciate a modern, user-friendly interface. Ideal skills required for the project: - Proficiency in Android development - Experience with social media APIs, particularly Facebook and Instagram. - Ability to create an intuitive, easy-to-navigate user interface. This project will require a clear understanding of social media integration and how to effectively implement it within an app's framework. It will not only be about incorporating the platforms into the app, but also ensuring the integration adds value to the end-user experience.

...creating functional, user-friendly websites that provide trading services. Key project components: 1. **Internal Portal**: The website needs to have an internal portal that should contain the following features: - Partner Management: Should have a signup and login functionality for partners. The portal should also have a feature enabling partners to track clients introduced by them. - Client Management: Requirement for a well-ordered system to monitor and manage our clientele. - Trading Room Interface: A feature for real-time trading must be incorporated. 2. **Dashboard**: A comprehensive dashboard through which we can view the metrics related to both clients and partners is necessary. 3. **Partner Earning Reports**: Partners should be able to view their earning...

I am looking for an experienced developer to create an app for iOS, Android, and Web that allows users to register, create events, and manage RSVPs. Here's what you'll need to know: • Platforms: This needs to work for iOS, Android, and be Web-based. • Features: The app should allow for user registration, the ability for those users to create events, and an efficient RSVP management system. • Registration: Users should have multiple options for registering with the app. They should be able to do so through Email, Social media accounts and Phone number. Ideal skills and experience for this job include being versed in cross-platform app development and understanding of database management for user registration. A knowledge of creating user-friendly ...

I require assistance in addressing an issue with the Facebook login in my Android app. Key Requirements: - Troubleshoot and resolve issues with Facebook authentication within an Android app - Ensure that the login process works smoothly and without any hitches - Experience in resolving similar issues in the past would be highly beneficial - A good understanding of the Facebook API and how it integrates within an Android app Please provide your relevant experience in this area when applying.

...billing. Demo of the CRM at E-Mail Address: admin@ Password: concord-demo More details on the requirements and onboard flow is aa follow 1. Create a landing page in WordPress to show subscription packages and registration/login page 2. On Registration page, need add all customer and business related details along with subdomain. 3. On Registration client is taken to on-boarding screen/loading screen , during the time his instance is getting ready/setup 4. Each new customer/tenant will have a seperate database ( preferred) to isolate the daata from each other. Single database multi tenant also can be done if less efforts. 5. Subscription packages based on per user billing and features restrictions and open in those packages 6. Chargebee subscription

I'm looking for a well-experienced web designer to create a bold and colorful landing page for my social media marketing campaigns, primarily targeting Facebook and Instagram. The d...but also encourage them to fill out a form, which will be its primary purpose. Key requirements: - Significant experience in landing page design. - Strong understanding of 'bold and colorful' aesthetic. - Knowledge of effective strategies to encourage form completion. - Preferably some experience or understanding of social media marketing on Facebook and Instagram. The end goal is maximizing client engagement through an effective, visually appealing landing page design that promotes user action. Please include in your bid examples of previous landing page designs, especially focusing ...

We are looking for an Expert Android developer that will handle an Android React Native Mobile Application development Project. The selected developer will carry on the Project Update from Android 10 (API level 30) to Android 14 (API level 34). The App currently compiles and is working fine and already previously submitted and approved to google playstore. The app needs now to be updated to work with Android 14 (API level 34), as one of the new requirement to submit to Google Playstore. Ideal Candidate: 1- Experience in Android JAVA 2- Experienced React Native developer 3- Experienced Yarn/npm 4- Experienced latest Android Studio Iguana | 2023.2.1 Patch 2 5- Experienced Google Playstore App upload/submissions 6- Experienced Identifying any...

I'm looking for a talented animator who can take a simple splash screen designed in Figma and convert it to an animated Lottie JSON file. This animation will be used in a mobile app, and it should be engaging, appealing, and have a smooth transition. Key Requirements: - Transforming a simple Figma splash screen into a Lottie JSON file - Ensuring the animation is optimized for mobile app use - Delivering a final product that requires no user interaction Ideal Skills and Experience: - Proficiency in Figma for asset extraction and animation design - Experience in creating Lottie JSON files - Familiarity with mobile app animation guidelines and best practices - Strong attention to detail to ensure the animation is visually appealing and seamless. Please include examples o...

I'm looking for a skilled Flutter developer to Add New Feature to a existing Flutter Application. Key functionalities should include: - Ability to pull data from an API and store it in the local database. - Capability to later send this stored data back to the server using the same API. - Functionality to create receipts ...this stored data back to the server using the same API. - Functionality to create receipts and bills using the data within the local database. Experience with data handling, database integration, and user authentication in Flutter environment is ideal. A proven track record of providing similar solutions would be advantageous. Essential skills include proficiency in Flutter, familiarity with Android platform and a deep understanding of transactional dat...