Free shirt design tool joomla jobber

I'm looking for an expert in MS365 and Power Automate tool to expand our current intranet, news site, and implement an automated contract management system. - Intranet: The main focus for the intranet development should be internal communication and news updates. It should also include customizable dashboards with analytics capabilities to enhance user experience. - News site: The news site should have a simple and easy-to-use interface. It's key features should be centered around news articles with images and videos. - Contract Management System: We are particularly looking to automate the contract renewal notifications process. Ideal candidate should possess: - Proficient in MS365 suite and Power Automate - Experience in developing intranets and news sit...

I'm seeking a creative designer to develop a vibrant and eye-catching flyer card that will serve as a promotional tool for a new product. Key Requirements: • Highlight the product's features: The design should clearly communicate the main features of the product. • Style: The design should be vibrant and eye-catching to draw attention and generate interest. Ideal Skills: • Graphic Design: Strong background in graphic design, particularly with creating marketing materials. • Creativity: Ability to create engaging, eye-catching designs. • Marketing: Understanding of effective marketing techniques to highlight product features. • Attention to Detail: Ensure all information is presented accurately and clearly.

...credentials, and press the login button. 5. Windows Automation API (Windows) For Windows applications, you can also explore using the Windows Automation API directly. This is a lower-level approach compared to the others and requires a good understanding of how Windows applications are structured. It's powerful but has a steeper learning curve. General Approach: Identify the Elements: Use the tool of your choice to identify the login button, username field, password field, and any other elements involved in the login process. Script the Interaction: Write a script using the identified elements to focus the application window, enter login credentials, and trigger the login process. Error Handling and Verification: Implement error handling and verification steps to ensure th...

I'm seeking a creative designer to develop a vibrant and eye-catching flyer card that will serve as a promotional tool for a new product. Key Requirements: • Highlight the product's features: The design should clearly communicate the main features of the product. • Style: The design should be vibrant and eye-catching to draw attention and generate interest. Ideal Skills: • Graphic Design: Strong background in graphic design, particularly with creating marketing materials. • Creativity: Ability to create engaging, eye-catching designs. • Marketing: Understanding of effective marketing techniques to highlight product features. • Attention to Detail: Ensure all information is presented accurately and clearly.

I'm looking for a Python expert who can develop a script that can take an image URL as input and return the OCR text response. The purpose is to extract numbers with a minimum of 4 digits from images, using only Free OCR tools. The desired output should be a JSON object. The script must support the JPEG and PNG formats. It's unclear how many digits the numbers in the images could have, so the code should be robust enough to handle variable digit lengths. Experience in optical character recognition (OCR) and handling JSON objects are crucial for this project. Specific requirements: - Python coding experience - Knowledge in OCR - Proficiency in handling JPEG and PNG formats - Experience in managing JSON objects Please see the attached images for a better understanding o...

Vennligst Registrer deg eller Logg inn for å se detaljer.

I'm looking for an experienced developer to create a mobile app for Android, specifically focused on business software functionalities. Key Requirements: - The app should be developed using Flutter, taking into consideration native Android design guidelines. - The primary focus is on creating a reliable and efficient software tool for business purposes. - The final product should be fully functional, user-friendly, and well-tested for quality assurance. Ideal Skills and Experience: - Proficiency in Flutter for Android development. - Experience in creating business software or similar applications. - Strong understanding of software development best practices, including testing and code quality. - Good communication and problem-solving skills, with the ability to work ...

I'm seeking a talented graphic designer who can craft a unique, cartoon-based t-shirt design. I'm aiming for a design incorporating a cartoon terrorist with construction tools in their hands. Despite the unique prompt, the exact depiction - humorous or serious - is something I'd be open to discuss. Ideal skills for this job: - Graphic Design - Illustration - T-Shirt Design - Cartooning Experiences appreciated: - Previous work in cartoon-style illustration - History of t-shirt design creations - Outstanding creativity and originality You'll be given total creative freedom to play around, interpret, and bring a distinct touch to the overall concept. I'm eager to see differing interpretations of the design...

I'm in need of a Python developer to create an efficient data analysis tool for me. The project will be executed on a Windows operating system. Skills & Experience: • Proficient knowledge in Python programming • Familiarity with cPanel and XAMPP is essential • Proven experience in data analysis will be crucial • Understanding of how to manage and process small to medium-sized data sets Main Task: • Design and build a Python application specifically geared towards analyzing small to medium-sized data sets It would be a plus if the freelancer is able to make the tool flexible to handle both small and large data sets.

I'm seeking a skilled professional who can integrate into our workflow to streamline communication and automate key tasks. Key Tasks: - **Automation:** I'm looking to automate data entry and task assignments. This is crucial for us to optimize our efficiency and reduce manual errors. - **Integrations:** We need to ensure smooth integration of with our existing tool stack. This will help in creating a seamless workflow and avoid any data silos. Ideal Skills: - Proficient in - Experience with is essential. You should be able to configure the system to meet our automation needs. - Workflow Automation - Proven experience in automating tasks within a project management system. - Integration Expertise - Able to connect with other tools seamlessly

Vennligst Registrer deg eller Logg inn for å se detaljer.

I am seeking a developer to create a tool that can calculate the profit and loss (PnL) for any given Ethereum wallet address. The tool should be able to determine the total number of coins bought, as well as calculate the profit and loss from all transactions associated with the wallet. Key Features: Wallet Address Input: Users should be able to input any Ethereum wallet address. Transaction Analysis: The tool should analyze all transactions associated with the provided wallet address. Profit and Loss Calculation: Calculate the total number of coins bought and the profit and loss incurred from all transactions. User-Friendly Interface: The tool should have a user-friendly interface for ease of use. Skills Required: Proficiency in Ethereum blockchain technolog...

I am looking for a skilled individual to develop a video editing tool that can automatically replace the background of my personal videos with a different image.

I urgently need a SharePoint developer who can jumpstart on my project...newer version. Specifically, I require: - Customization: This includes branding and design to give the site a unique and cohesive look. In addition to that, I need the design of custom workflows to improve business processes and smoothen operations. The job will also involve developing custom web parts to provide bespoke functionality. Ideal Skills: - SharePoint development - User-interface design - Workflow design - Web parts development Experience: It would be beneficial if you have worked on similar projects and can hit the ground running. I am looking for rapid results, thus availability and commitment to the project are essential. Let's transform my SharePoint site into a hig...

I am seeking an expert in data visualization to create a pivot chart that can accurately represent my organization’s financial data. The focus of this pivot chart will be on expense analysis. Key requirements: - Ability to categorize expenses by department, project, and type of expense - Clear knowledge of financial data manipulation - Proficiency in Excel or any similar data visualization tool Ideal Skills: - Strong background in data visualization, particularly pivot charts - Proficiency in financial data interpretation - Detail orientation to ensure all categories of expense are correctly entered and represented This project will help us understand our cost drivers better and make informed budgeting decisions. Freelancers with previous experience in similar projects ...

I am looking for an experienced SEO manager to handle a range of tasks for my website. The ideal candidate should be able to engage in keyword research and analysis, on-page optimization, and off-page optimization. Key Responsibilities: - In-depth keyword research and analysis to identify high-performing ...on-page and off-page optimization - Strong analytical skills to interpret data and make informed decisions - Excellent communication skills to provide detailed quarterly progress reports - A track record of improving website rankings in previous projects - Understanding of the latest SEO trends and algorithms Please provide details of your previous SEO projects and the results you achieved. Feel free to include any additional information that demonstrates your suitability for ...

I am in need of a proficient Photoshop user to competently remove two people from a photo I have. This quick job requires someone who has: - Experti...Photoshop user to competently remove two people from a photo I have. This quick job requires someone who has: - Expertise in providing natural-looking edits, maintaining the image's authenticity. - High attention to detail with the ability to cleanly remove people without affecting other uninvolved objects or people. - A deep understanding for photo aesthetics and composition. We need the white shirt woman taken out the photo naturally The main aim of this job is to enhance the overall aesthetic of the photo. Hence, your skills in ensuring a refined and neat outcome on the final image will be quite essential. It's a simp...

I'm ...my WooCommerce store. Print-on-Demand Services Integration - Integrate Printify, inkedjoy with WooCommerce. - Achieve real-time product catalog synchronization. - Ensure that new orders are automatically synced with POD providers. - Enable design mockup generation for products within eCommerce workflow. Ideal Candidate Skills: - Proven experience with WooCommerce API integrations. - Experience with Printify, inkedjoy platforms. - Ability to implement Product Catalog and Order Syncing features. - Proficient in mockup generation tool integration. - Strong understanding of eCommerce automation and streamlining. I'm looking forward to working with someone who can turn these requirements into a robust and efficient system, improving our service quali...

Hi AttariBros, I noticed your profile and would like to speak with you about a t shirt I would like to make for my mom. Im not sure if the days category is asking how quickly I need this or how much time I would like you to put into the work so I just have it set to 1 day. I dont need it any time soon, just within a week or so at your leisure. Let me know if thats something you can do or if im asking too much for so little price. First time user. Thanks, Chris.

I'm spearheading an educational project that entails the adaption and translation of English rhymes into Spanish. These will serve an audience of preschool children aged between 3-5 years. The successful freelancer should be: - Proficient in both English and Spanish translation with exceptional grammatical skills - Familiar with writing and adapting content for young children - Experience...Critical tasks involve: - Translating English nursery rhymes into Spanish while maintaining the rhythm - Constructing age-appropriate rhymes with an educational undertone. Your expertise would contribute significantly to making learning an engaging and fun process for these preschoolers. Your proficiency in Spanish and familiarity with rhymes will be invaluable in creating an effective education...

I am seeking a talented and creative writer to construct a beautiful 10-20 line free verse poem centered around the theme of love. This unique piece should deeply express human emotions, tell a compelling story, and truly capture the essence of romantic love. Ideal Skills: - Excellent command of the English language - Deep understanding of free verse poetry - Ability to convey emotions powerfully - Experienced in writing love-themed prose This job requires a perfect blend of creativity and writing skills. If you have a passion for writing and a knack for capturing hearts with your words, I'd be delighted to work with you.

I'm seeking a gifted and creative designer to help me bring my vision to life. The task involves creating an artistically themed T-shirt design. Not a traditional nature, sports, or typography concept, but something fresh and intricate. The style of the design is not explicitly defined, fostering a sphere for your creativity. However, keeping the rules and guidelines of design in mind is a criterion. Ideal skills for this project would include: Artistic, Open to Changes, NON-AI work, Drafting The Art must following the following, any deviation will not be accepted: 1.) Submit Draft images, No color added. 2.) once you are selected you will be giving a message with what colors should or can be used. 3.) Concept of art work is: Military Space Solider sta...

I am seeking an experienced Android app developer to create "RessacaPay," a mobile application designed for a school in Contagem, Brazil. This app aims to foster positive behaviors among students by allowing them to earn and spend points on schoo...applications. I value creativity and a problem-solving approach. Ideal Skills and Experience: Proficient in Android app development. Experienced with implementing reward systems. Knowledgeable about educational platforms. Skilled in QR payment system integration. Strong in UX/UI design. This project offers the potential for future collaborations, including updates or additional versions of the app targeting different user groups or expanding features. I look forward to your innovative ideas to make "RessacaPay" a mot...

I am seeking a talented and creative writer to construct a beautiful 10-20 line free verse poem centered around the theme of love. This unique piece should deeply express human emotions, tell a compelling story, and truly capture the essence of romantic love. Ideal Skills: - Excellent command of the English language - Deep understanding of free verse poetry - Ability to convey emotions powerfully - Experienced in writing love-themed prose This job requires a perfect blend of creativity and writing skills. If you have a passion for writing and a knack for capturing hearts with your words, I'd be delighted to work with you.

I have a daily dataset of the prices and funding fees of cryptocurrencies from Binance. I'm seeking an Excel expert to automate the task of calculating the price, funding fee, and percentage of each crypto every day at specific time. - The output should be in a table format for ease of understanding and comparison. Any tool or programming language that can efficiently and accurately perform this task is acceptable. The goal is to create a structured, automated process that can handle this daily task with precision. Ideal Skills and Experience: - Strong Excel skills, especially in formulas and functions. - Prior experience with automation in Excel, macros and VBA programming. - A good understanding of cryptocurrencies and their pricing. - Ability to deliver a clean and user...

I am seeking a talented and creative writer to construct a beautiful 10-20 line free verse poem centered around the theme of love. This unique piece should deeply express human emotions, tell a compelling story, and truly capture the essence of romantic love. Ideal Skills: - Excellent command of the English language - Deep understanding of free verse poetry - Ability to convey emotions powerfully - Experienced in writing love-themed prose This job requires a perfect blend of creativity and writing skills. If you have a passion for writing and a knack for capturing hearts with your words, I'd be delighted to work with you.

...user-friendly way for visitors to reach out to us, enquire about our products, or request a quote. - Price Configurator: An interactive tool that allows customers to customize their boat and see the corresponding pricing. Design & Branding: While I don't have a specific design in mind, I'm keen on having a clean, user-friendly, and professional-looking website. Hence, I'm open to your suggestions on how best to achieve this. Ideal Skills: - Proficiency in website development, specifically for e-commerce or product-based websites - Strong experience in creating image galleries, contact forms, and interactive tools - A keen eye for design and the ability to provide design suggestions if needed - Excellent communication skills for un...

I'm seeking a VBA expert who can help me create a tool that will generate both PDF and Word documents from a specific column of an Excel file. The Word document should contain some static data derived from the column details. The primary requirements are as follows: - The tool should be able to generate both PDF and Word documents. - The Word document should include some fixed data from the Excel details. - An interactive graph should be included in the Word document, based on the data from the specific column.

I am in need of a skilled Joomla! expert who can meticulously carry out a domain migration for me. I am transferring my website from to gisci.it. During this migration, there are a number of elements I need to be transported completely intact: * Pages * Images * Blog posts * Documents It is crucial for me to maintain the same design and layout throughout this process - no redesign should be undertaken. I also do not require any specific functionalities or features to be added or modified during the migration. Successful candidates should have proven experience in website migration, particularly using Joomla!. A keen attention to detail, reliability, and respect for the integrity of existing design elements would be greatly appreciated.

iam looking for a Module that exdends the functionality of the Availability settings. or create a function to do this : I need a Text - Field for each Product Combination (Variant). Each Product-Combination should have its own availability Text (flag): FOR SAMPLE: Shirt - Small: stock>3 : Available. Shirt - Medium: stock<=3 Available in 2 weeks.

I need a VBA script tailored to Excel that will assist in my data analysis projects. It should prompt me to enter a target amount, then let me select a range of cells that contain various amounts. The code should find a combination within the selected range that makes the sum equal to or closest to the target am...amount and range of cells - Find combination closest to target sum - Compatible with Excel 2016 and above Key Features: - Return the first closest combination found. - No need to handle multiple valid combinations - Prioritize efficiency for quick data analysis tasks Ideal Freelancer: - Proficient in Excel VBA - Experienced with data analysis - Able to optimize for Excel 2016 This is a crucial tool for my data analysis work. I need it to be efficient, accurate, and user...

I'm seeking a talented graphic designer with a knack for minimalist design and a keen understanding of abstract themes. Your task, if hired, will be: - Designing an abstract theme-based T-shirt graphic, seamlessly incorporating minimalist elements. Here's a breakdown of the skillset and experience I'm after: - Proven graphic design portfolio, particularly in T-shirt design. - Proficient with design software and technologies, like InDesign, Illustrator etc. - Strong conceptual skills and a sharp eye for detail. - Able to incorporate feedback and make necessary alterations in design. If you're a forward-thinking designer who loves to think outside of the box, your creativity and expertise are what we need. Let's ge...

I am looking for a skilled Instagram Reel editor to create high-impact, educational and motivational videos. The perfect candidate would have the following: Skills and Experience: - Proficient with video edi...- Demonstrated experience in editing videos to a length of less than 1 minute - Previous work in educational or motivational video content creation would be an asset Requirement: - Creation of Instagram Reels with text and crisp motion graphics. - The content would be less than a minute long, yet impactful and motivational. - Flexibility with video editing software is appreciated as no specific tool preference is stated. Don't hesitate to apply if you have strong communication skills and a passion for creating compelling content. Looking forward to seeing your work and...

...brochure that provides valuable information about my company to our target audience, consumers. Key Details: - The primary objective of this project is to develop a brochure that serves as a communication tool to introduce our company, its values, and what sets us apart from competitors. - It should be visually appealing, engaging, and easy to understand for consumers. - Your past work in brochure creation is crucial to help me assess your design style and capabilities. Ideal Candidate: - Prior experience in creating brochures for consumer-focused companies is highly preferred. - Strong design skills and a portfolio showcasing similar work will be a major plus. - Understanding of consumer behavior and how to tailor content accordingly. - Ability to interpre...

I'm on the hunt for a proficient C++ programmer with hands-on experience on Raspberry Pi and Linux environment. I'm having personal use project centered around Raspberry Pi 4 and encountering compilation errors with a certain tool that needs attention. You'll be working with Make and makefiles, so proficiency in these is paramount. Your primary task is to debug the issue, fix it, and compile the tool successfully. A proven track record of resolving similar issues will go a long way in this project. So, let's connect if you think you are a good fit for this task!

...talented graphic designer with a knack for producing engaging, bright, and colorful content. The project at hand is to design a catalog featuring my varied range of home cleaning tools. Key Requirements: * Include detailed product descriptions alongside images of each tool, enlightening customers about their usage and benefits. * Add useful cleaning tips relevant to the featured tools which will serve to enhance the user experience. * As our chosen aesthetic is vibrant and colorful, your design should not just be appealing but also reflect this theme throughout. Ideal Skills: * Proficient in Adobe Suite or other graphic design software. * Experience in catalog or brochure design. * Excellence in active and engaging content creation. * Knowledgeable ...

...Azure. Ideal Freelancer: - Must have a proven track record in Hyper-V to Azure migrations - Previous experience is a must, so please include this in your application - Expert-level Azure experience is a prerequisite I have successfully migrated one server using the “Azure Migrate tool” and migrated a 2nd server, I deleted the second server on Azure since I forgot to enable RDP prior to pushing the server out. I then tried to repush the server out and failed. It wouldn’t let me. So I deleted the migration tool and reinstalled it. It looks like its connected correctly, but I still get the server. I am looking for someone who has expertise, in correcting this issue so I can migrate the server out. Keeps giving me “No Hyper-V host are registere...

I'm in need of a top-notch UI developer to create a web application that functions as a recruitment tool. This is a fast-paced project requiring the development of 25 screens within two days. Key features of the web app should include: - Authentication/Authorization: To manage user access and information security. - Web Application: The main functionality required is to create an efficient recruitment tool. Required skills and experience: - Previous experience with UI development. - Proven record in coding and launching web applications. - Experience working under tight deadlines is a plus. Looking forward to collaborative, efficient proposals.

I am a real estate agent looking for a website that primarily targets home sellers. The most important feature that I want on the site is an instant home valuation tool. Key Features: - **Instant Home Valuation Tool**: This tool should allow home sellers to input their property details and receive an estimate of their home's value instantly. It should be user-friendly and provide accurate estimates. - **Appointment Booking System**: I'd like to have an appointment booking system on the website. Preferably, I'd like to receive notifications for these appointments via email. - **Testimonials Section**: Though not the primary feature, I'd like to have a section where past clients can leave testimonials and reviews. This will help build credibility a...

...discussing this project further with you. Please provide examples of previous transcription/annotation work you have done. We are looking for Bhojpuri speakers who can read & write the text in native language. It is a continuous monologue ranging from 30 seconds to 30 minutes. It is required to segment individual speech segments, each segment cannot be longer than 30 seconds. Within the transcription tool there will be further instructions on how to do this. The project is based on audio/video where the associate needs to identify the words spoken in a given audio/video based on the nativity of the language. Need to have the strong nativity and writing skills Expectations - Expected time/transcription - each segment cannot be longer than 30 seconds and transcribe each and...

...discussing this project further with you. Please provide examples of previous transcription/annotation work you have done. We are looking for Maithili speakers who can read & write the text in native language. It is a continuous monologue ranging from 30 seconds to 30 minutes. It is required to segment individual speech segments, each segment cannot be longer than 30 seconds. Within the transcription tool there will be further instructions on how to do this. The project is based on audio/video where the associate needs to identify the words spoken in a given audio/video based on the nativity of the language. Need to have the strong nativity and writing skills Expectations - Expected time/transcription - each segment cannot be longer than 30 seconds and transcribe each and...

I'm seeking a professional and talented animator who can create a 2D animation video to serve as a website explainer. This will be a crucial tool for my product's promotion and marketing. The core requirements include: - Proficiency in 2D animation and a strong ability to tell a compelling story through visuals. - Able to translate our product's function, benefits, and unique selling points into a captivating 2D animation video. - Previous experience with product explainer videos would be an excellent advantage. This project will require a good grasp of design principles, creativity, and a deep understanding of marketing strategies. The candidate should be able to work from concept through to completion. Please share your portfolio of 2D animation projec...

I'm in need of an experienced Amazon account manager to assist with my Amazon FBA business. The ideal candidate should have proficient knowledge and experience with h...an experienced Amazon account manager to assist with my Amazon FBA business. The ideal candidate should have proficient knowledge and experience with handling less than 100 SKUs. Key responsibilities include: - Management of my account - Efficient handling of FBA - Utilization of Helium 10 tool; an intermediate level of experience is required The freelancer should understand the intricacies of selling on Amazon, the FBA process, and have hands-on knowledge of the Helium 10 tool. The role is central to the success of my business, and I require an individual who is dedicated, detail-oriented, and highl...

I'm seeking a talented graphic designer to create a compelling brochure for me. This brochure will serve as an advertising tool with the following features: - Inclusion of product images to give a vivid depiction of what we offer. - A section dedicated to our company's history to communicate our journey, credibility and experience. - Our contact information, so potential customers can easily reach out to us. The ideal candidate for this project is someone with ample experience in graphic design, particularly in creating brochures for advertising purposes. A good understanding of effectively blending visuals and text to communicate to a target audience will be a significant plus.

I'm looking for an artist capable of creating minimalist t-shirt designs, skillfully combining both graphics and text elements. Although we will primarily deal with minimalist themes, the capacity to think creatively and innovatively will be greatly appreciated. The ideal freelancer will have a deep understanding of typography as well as graphics. Even though I've not specified any color preferences, the designer should be able to choose the coloring that's most effective for the minimalist style. Be prepared to provide samples of previous similar projects.

I am looking for a skilled individual who can develop a tool or app for uploading of information from .csv and xl files to a website. Ideal candidates should have a strong background in software development, particularly tools or apps dealing with data extraction and upload. Experience with web development and understanding of data display techniques will be considered an advantage.

I am looking for a logo for an upcoming bachelor party. The logo will be printed on t-shirts for all members of the party and should include the following elements - A cartoon character of David Tubb, “Tubbsy” (photo attached) - Tubbsy should be holding a beer, and be in a colourful Hawaiian shirt with a big smile on his face - In the style of the Australian beer, XXXX, logo style (photo attached) - With the title “Tubbsy’s troops” and the tagline “Dave Tubb’s bucks party May 2024” I have also included an ai image generated logo, this isn’t quite right, but is in the right direction.

I'm in need of a professional video editor to help me with a promotional video. - **Project Purpose:** The video will be a promotional tool, so I need it to be engaging and attention-grabbing. It should convey the message effectively and entice viewers to take action. - **Video Length:** The video will be longer than 3 minutes, so the editor would need to maintain viewer interest throughout this length. - **Guidelines:** There are no specific branding guidelines for you to follow, so creativity is welcomed. The ideal candidate should have a strong portfolio of previous video editing work, especially in promotional content. Excellent communication skills are a must, as we will need to work closely to achieve the desired outcome. A good understanding of marketing principles...

I'm in need of a talented designer to create graphic and custom illustrations for my line of NRL sports-themed t-shirt prints. Mainly for NZ WARRIORS Rugby League team in the NRL. Key Points: - The prints are mainly focused on the sports theme, with a vibrant and colorful palette. - The designs should be a mix of graphic elements and custom illustrations. Ideal Skills: - Proficient in graphic design and illustration. - Experience with creating t-shirt prints, particularly in the sports niche, would be a big plus. - A keen sense of color and an ability to execute vibrant and appealing designs. If you're a creative individual with a passion for sports and a knack for creating eye-catching designs, I'm excited to see what you come up with!

I'm looking for a tool that will help me manage a WhatsApp group of 1000 members. Key Features: - Auto-reply messages: I need a system where I can set up automatic responses to specific keywords. - Message scheduling: I need the ability to schedule messages to be sent at specific times. - Link posting restriction: Members should not be able to post links in the group. The system needs to restrict this automatically. Auto-reply Feature: - The system should allow me to set up triggers for auto-replies. These triggers include specific keywords and the action of a new member joining the group. Ideal Skills and Experience: - Proficient in developing automation tools specifically for WhatsApp - Excellent understanding of WhatsApp's API - Prior experience in building systems t...