Website transaction processing speed guidelinescông việc

Hiện tại mình đang cần thiết kế hai giao diện website theo mẫu có sẵn. Có một chút chỉnh sửa nhỏ cho phù hợp với nhu cầu. Mã nguồn Wordpress Mẫu 1: Mẫu 2: Yêu cầu tối ưu giao diện nhẹ. Test Speed bản mobile tối thiểu 75 và Desktop tối thiểu 85

The image of a mango rolling on a roller conveyor is collected from a webcam. Image processing, surface damage detection. Mangoes are divided into 3 types according to the ratio of damaged area to total area of mango (clarification after starting the project).

Bổ sung tinh năng bộ lọc cho website khothepxaydung Bộ lọc yêu cầu : Về cơ bản tương tự giống site này : Tuy nhiên khác ở phần trước mỗi trường lọc có thể màu mô tả hoặc hình ảnh mô tả cho trường đó : Ví dụ : xuất xứ nước Đức, có thể có hình cờ Đức, màu sắc bề mặt có thể có hình ảnh bề mặt - Một yêu cầu thêm : Có thể mỗi dòng sản phẩm có một trương bộ lọc riêng, nên có bộ lọc có thể tùy biến theo danh mục hoặc loại sản phẩm Thiết kế cở bản lại trước khi dev - Đảm bảo khi dev xong vẫn giữ nguyên các điểm tối ưu page speed

Chúng tôi cần người dùng đoạn code nguồn mở dưới link này và thay đổi code để tạo thành một trang trong web của chúng tôi: Trong link có ghi rõ cách install web application như thế nào. Tôi cần người cài đặt để web application này được sát nhập vào web của chúng tôi.

M có web TMĐT dùng WP woocomer, chưa được tối ưu nhiều nên tốc độ không được tốt. A e nào có kinh nghiệm tối ưu WP thì báo giá giúp m nhé. web: Yêu cầu: 1. Tốc độ load all page < 2s 2. Điểm check trên google speed cả mobile và destop >90

Hiện tại, tôi đang muốn tìm người code hoặc RIP web , giống nhau từ giao diện đến panel admin (riêng về cái này thì thương lượng) 90-99%. - Yêu cầu: Tối ưu hóa cho SEO hết mức Load nhanh, đạt 80 - 95 điểm dựa trên Page Speed Làm càng nhanh càng tốt.

Xin chào các freelancer, tôi có một website làm bằng mã nguồn mở wordpress. để phục vụ cho mục đích seo web và tăng trải nghiệm người dùng, tôi muốn cải thiện tốc độ tải trang web, tiêu chí chấm điểm đạt điểm xanh trên chấm điểm Google Speed test insight. Mong muốn hợp tác với Bạn nào thành thạo wordpress và ở khu vực thành phố hồ chí minh để tiện trao đổi công việc. Xin cảm ơn

input: nhập các tọa độ, các giá trị Xi, T. Processing: - Vẽ đồ thị từ các tọa độ. (các đường spline nối các điểm lại là được) (1) - Từ các giá trị Xi, vẽ các đường thẳng đứng đi qua các giá trị Xi đó. (2) - đo khoảng các từ trục x (tại giá trị Xi) lên đến giao điểm với các đường spline mục (1). (3) - từ các giá trị mục (3), vẽ 1 đồ thị mới với các đường spline. (4) - Vẽ đường thẳng có góc 10 độ đi qua điểm T. (5) - Đo giá trị từ T tới các đường spline ở mục (4). (6) - tính toán các giá trị đo được ở mục (6) để ra 1 giá trị (nuy). (7). - từ giá trị (nuy) mục (7)...

Fix Joomla Page Speed & Chronoform 5 2

Mình cần tối ưu tốc độ load trang và điểm pagespeed google Check tốc độ load trên tool pingdom hiện tại khoảng 6 đến 8s -> Yêu cầu <=4s Check điểm pagespeed hiện tại 71 đến 76 điểm -> Yêu cầu: >=85 điểm Mình muốn xem bạn thực hiện trực tiếp (Video, teamview...), để học hỏi, cũng như đảm bảo tính an toàn. Các bạn xin lưu ý yêu cầu này. Thông tin thêm: Domain: - wordpress VPS Vultr - Script: HOCVPS

húng tôi cần tuyển gấp 10 nhân viên kinh doanh phụ trách bán các sản phẩm công nghệ. YÊU CẦU CÔNG VIỆC: - Yêu thích công việc online. - Làm việc nghiêm túc. - Có kinh nghiệm kinh doanh online. - Có thể giao tiếp bằng tiếng Anh (thị trường của ...phẩm. LỢI ÍCH CÔNG VIỆC - Làm việc vào bất kỳ thời điểm nào ở bất kỳ đâu. - Tăng thu nhập hàng tháng. Lưu ý: chỉ nhận hồ sơ của những bạn sinh sống ở , vì chúng tôi thường xuyên tổ chức những cuộc meetup offline ở TP.HCM. Mục đích của những Meetup là đào tạo, thúc đẩy và lên tinh t...

A website with approx. eighty (80) products of Vitamin supplements, with shopping cart and payment processing .

thiết kế giao diện trên nền tản Wordpress có thuể tùy biến động ví dụ làm trên framework hổ trợ reponsive template speed tốt tùy chỉnh màu logo hình ảnh..tùy biến Wordpress khi dùng plus hổ trợ thời gian hoàn thành nhanh nhất có thể từ 1-5 ngày đúng hẹn Giao diện bố cục như website mẫu vấn đề khác trao đổi thêm.

Xin chào adnanahsan, tôi đã xem hồ sơ của bạn và muốn mời bạn vào làm cho dự án của tôi. Rất mong bạn đọc qua bản mô tả dự án, và tôi luôn sẵn sàng thảo luận mọi chi tiết liên quan.

Dựa vào bảng Danh sách nhân viên của Công ty Alpha, yêu cầu điền kết quả vào cột “Phân loại theo bậc lương” biết rằng cột này lấy ký tự thứ 3 và 4 của Mã số Nhân Viên.

...wallet application. 2) Implement functionality for address generation using BIP 39 or BIP 44. 3) Ensure that fees for all wallet transactions, including sending TRX or any ERC10 or ERC20 tokens, are deducted from a specified multiple accounts assigned in the smart contract, and not from user. 4) Also user need to pay the fees to the contract as an escrow, i.e. user will not pay the transaction fee, the transaction fee will be paid by the assigned accounts in the contracts. Please message here to know more details and requirements. Requirements: Proficiency in Tron blockchain development. Experience with BIP 39 or BIP 44 for address generation. Strong understanding of smart contract development and blockchain technologies. Excellent problem-solving skills and attentio...

I am in need of an Android application that will enable customers to design their garage floor usi...floor using our tiles. The app should allow users to: - Design their floor online - Email their design requests - Place orders through the app The garage floor tiles come in one size and are available in a variety of 12 colors. Additionally, we offer straight and corner edgings that can be incorporated into the design. It is crucial that the app integrates seamlessly with Shopify for order processing. The ideal freelancer for this project should have relevant experience in creating e-commerce applications, particularly those that involve customization. Experience in integrating applications with Shopify is also highly desirable. Please provide examples of your past work in your ap...

I need a skilled graphic designer to create top-notch marketing materials for print. The focus will be on brochures,...a combination of the following abilities and experience: - Proficiency in Adobe Suite or equivalent graphic design software - Significant experience in designing marketing materials - An understanding of the unique considerations of print design, such as resolution and color matching - Ability to bring creative and innovative design ideas - Demonstrable experience in working within brand guidelines - Strong communication skills to ensure the project’s objectives are met. Previous work in designing print marketing materials will be highly valued. This project requires a high level of creativity, attention to detail, and an understanding of effective mark...

I need a tool that will help me process a large amount of images by cropping them automatically to a landscape format. Project UI Link: https://xd.adobe....by cropping them automatically to a landscape format. Project UI Link: Key Features: - Image formats supported: JPEG, PNG - Output dimensions: landscape (width > height) - Automatic detection and cropping of the main subject of the image is preferable or that can be selected as need. Ideal Freelancer: - Proficient in image processing and recognition - Experience with automation scripts - Strong background in image data manipulation - Familiarity with JPEG and PNG file formats. If you have the skills and experience necessary to develop such a tool, please get in touch.

...skills and experience: - Solid understanding of modern and minimalist design principles - Expertise in creating print-ready graphics - Proven background in voucher or similar promotional design material. Task Details: - Design a print voucher in a modern, minimalist style - Ensure design is suitable and optimized for high-quality print usage - Collaborate closely to align with existing brand guidelines I don't have soft copy ....

...are in need of an experienced community moderator for our client's Discord, Telegram, and Reddit platforms. This role will include a range of tasks such as: Discord: - Deleting inappropriate messages. - Managing user conflicts. - Enforcing server rules. - Building and maintaining an engaging server environment. Telegram: - Monitoring chat activity and ensuring user's compliance with community guidelines. - Identifying and removing spammers. - Managing user bans efficiently without disrupting the positive community vibe. - Providing guidance to users, addressing their queries, and enhancing their platform experience. Ideal candidates should have prior experience managing these platforms and have great conflict resolution and community management skills. Your expertise...

Google Analytics 4 migration and Tag Manager Set up...Google Ads pixels. - Audit of essential conversion measurement pixels. - Audit Measurement in the relationship with the consent management tool/cookie banner/CMP. Incorporation of a CMP. Cost of the CMP by the client. - Audit and Set up in GA4 and GTM of measurement coordination with the CMP. - Set up of "Consent Mode" in GA4, a mechanism to comply with legal regulations and Google Analytics processing requirements. - Set up Enhanced Conversions. Review of requirements and submission of Data Layer requirements to the client's Development team for implementation. Validation and final set up I'm primarily interested in enhancing accuracy and performance, so I'll appreciate someone with a proven record ...

...role in ensuring the quality and accuracy of our Spanish language content. We are seeking someone with excellent language skills, attention to detail, and a passion for delivering high-quality work. **Responsibilities:** - Proofreading and editing Spanish language content for grammar, punctuation, spelling, and style consistency. - Ensuring that all content adheres to linguistic standards and guidelines. - Providing feedback and suggestions to writers to improve the quality of their Spanish language content. - Collaborating with the content team to maintain consistency in tone, style, and messaging across all Spanish language materials. - Assisting with translation tasks as needed. **Requirements:** - Native Spanish speaker with fluency in written and spoken Spanish. - Proven e...

I'm looking for an expert developer who's proficient with AWS services, particularly EventBridge, and has experience integrating with Shopify webhooks. Key requirements: - Setting up and pushing code into fresh AWS servers - Creating and configuring AWS EventBridge to handle large volume webhook eve...especially EventBridge - Experience with Shopify webhooks - Knowledge of server setup and configuration - Prior experience with middleware systems and large volume event handling - shopify graphql and restful api Please note that while the user hasn't specifically outlined the action to be taken upon receiving the webhooks, it's expected that you'll be able to advise on the optimal setup for further processing of these events. Please note: currently, I using...

Overview: This application will enable Shopify store owners to collect and display customer reviews. However, only customers who have made a purchase will be able to leave a review. You can use the reviews app that Shopify provides as a ://gith...should be no public option for writing a review on the store’s frontend. Review Collection: • After a purchase, customers should receive an invitation via email to write a review. Review Display: • Reviews submitted by customers should be displayed on the respective product page of the Shopify store. Webservice Integration: • All reviews must be sent to an external webservice for additional processing or storage. Subscription Plans: • The application should support different subscription plans (e.g., Free, ...

...developer to enhance my existing Shopify website for my business. The primary focus will be on boosting the site's performance and ensuring a more seamless user experience. Key Project Goals: - Optimize loading speed: Currently, my website has a moderate loading speed, which is not ideal for ensuring a smooth and efficient user experience. I need the freelancer to improve this aspect significantly. - Enhance internal pages: I'm also looking for the revamping of internal pages. This includes making them more visually appealing and user-friendly. - Improve internal links: Moreover, I need someone who can enhance the internal navigation and links. This is crucial for ensuring visitors can easily find what they are looking for and to increase overal...

I am looking for an expert...in AI, specifically with fine-tuning experience in Convolutional Neural Networks (CNN). My primary focus is on improving the accuracy of specific tasks in the field of Natural Language Processing (NLP). Key tasks for this project include: - Evaluate the current performance of the CNN on specific tasks - Implement fine-tuning protocols to enhance accuracy - Validate and optimize the model for our specific dataset Ideal freelancer must have: - Extensive knowledge and experience in Artificial Intelligence - Proficient with Convolutional Neural Networks - A strong understanding of Natural Language Processing - Proven track record with AI fine-tuning. Your core responsibility will be to adapt our current AI model to enhance its task accuracy in an...

...goals are to increase our visibility and establish credibility through this recognized platform. Features of the profile should include: - In-depth background and history of the company and it being the first to bring the Valet Storage concept/business model to Asia - A showcase of key achievements - Comprehensive descriptions of our products and services A strong acquaintance with the guidelines of Wikipedia is absolutely critical, as this will ensure the page remains published and isn't removed. All of the information to be included has been gathered and real-life references will be provided to affirm the veracity of the data. As such, strong research skills aren't necessarily important for this position, but they will be regarded as a plus. Ideal candidates ...

I'm currently seeking a well-rounded expert to take on several crucial tasks, primarily focusing on SEO enhancements and graphic design modifications for my Wix website, performed on both desktop and mobile platforms. Below is a summary of the tasks I expect to be tackled: SEO: • Keyword optimization - Maximize the usage of relevant and high-ranking keywords to improve my website's visibility and ranking. • Backlink building - Develop genuine and high-quality backlinks that will increase my website's credibility and boost its search engine ranking. • Content optimization - Enhance my website's overall content to make it more SEO-friendly, thereby increasing its ranking and user engagement. Wix Design: With respect to graphic design improvem...

I require a data entry specialist who can assist with online data entry work. The data is sourced from websites and needs to be input into Word documents. Key Responsibilities: - Accurately transcribing data from websites into Word documents - Ensuring the data is organized and structured according to specific guidelines Ideal Skills and Experience: - Proficiency in data entry - Excellent typing and accuracy skills - Familiarity with web research - Experience with organizing data in Word documents Please note that attention to detail is crucial for this job, as the accuracy of the transcribed data is of utmost importance.

...Fields: Create all necessary form fields as outlined in the Word document, including text fields, dropdowns, checkboxes, addable rows table, etc. - User-Friendly Interface: Design a clean, user-friendly interface. Skills Required: - Proficiency in HTML, CSS, JavaScript, and responsive web design - Experience with web form development and validation PHP Integration (optional): - Form Data Processing: Develop a PHP script to receive the form submission and convert the data into a multidimensional array. - Data Population: Implement functionality to pre-fill the form fields with corresponding data from the multidimensional array when the form is displayed again. Deliverables: - one (1) fully functional and responsive webpage form based on the provided Microsoft Word document -...

I'm looking for a professional who can assist with securing approval for our Facebook Developer app. The app in question involves social media integration to the stackpost & ChatPion apps. Key tasks include: - Guiding through the approval process - Ensuring the app meets Fac... Key tasks include: - Guiding through the approval process - Ensuring the app meets Facebook's requirements - Resolving any issues that may arise The project requires someone with a deep understanding of Facebook's policies and API requirements. Prior experience in securing approvals for similar apps is a significant advantage. Key skills and experience: - Proficient in Facebook Developer guidelines - Experience in securing app approvals - Familiarity with social media integration - Exc...

I am seeking expertise in deploying the Mistral system on-premises, specifically for data processing tasks. Key Project Elements: 1. Mistral System Installation: Implementing Mistral system in our on-premises hardware setup, ensuring optimal performance and security. 2. Data Processing: The system should be set up to efficiently process unstructured data such as texts and emails. Ideal Candidate: - Expertise in on-premises Mistral system deployment by using NVIDIA GPUs - Profound understanding of data processing techniques for unstructured data - Previous experience in similar projects would be preferred.

...at integrating popular e-commerce plugins like WooCommerce or Shopify, ensuring easy product browsing, cart management, and secure payment processing. - Custom Theme Development: The website's design should be tailored to fit a modern and minimalist style. The selected freelancer should be capable of creating a unique, visually appealing theme that reflects this aesthetic. Given that the main purpose of this website is to display information and a portfolio, the design should be clean, uncluttered, and user-friendly. Job Responsibilities: • Should have intermediate understanding and working knowledge of WordPress • Designing and building the website front-end • Knowledge of front-end technologies including CSS3, JavaScript, HTML5 and jQue...

...primary objective of attracting new clients from the EU. Key Focus: - The main area of improvement required is technical SEO and website performance. This includes on-page elements, site speed, mobile optimization, and overall website health. Primary Content: - Our website primarily features content related to marketing services. This will help you better understand the tone and nature of the business, and how it appeals to potential clients. Skills and Experience: - Proven track record of successful SEO campaigns, specifically in attracting clients on a regional level. - Proficiency in technical SEO techniques and tools, with experience improving website performance. - Understanding of marketing services and the ability to utilize this knowledge...

...Building: -Engage with followers and respond to comments and messages. -Organize and manage giveaways for followers Research and Analysis: -Conduct research on digital beauty trends and skincare ingredients. -Monitor and report on social media analytics to measure the impact and adjust strategies accordingly. -Shopify Management: -Update and manage product listings on Shopify. -Assist with order processing and customer inquiries. Requirements: -Proven experience as a Virtual Assistant or relevant role. -Proficiency in using ChatGPT for content creation and customer engagement. -Strong knowledge of Shopify and its functionalities. -Excellent research skills and the ability to stay up-to-date with industry trends. -Exceptional copywriting skills with a keen eye for detail. -Stron...

I need someone who's experienced in uploading mobile apps to the Google Play store. 1-I have Google Play Store Account. 2- I've developed app package. Key Responsibilities: - Upload a pre-developed Android app to the Google Play store. Please note, I'm looking for someone who can perform this task efficiently and effectively, ensuring that the app is successfully uploaded and is c...experienced in uploading mobile apps to the Google Play store. 1-I have Google Play Store Account. 2- I've developed app package. Key Responsibilities: - Upload a pre-developed Android app to the Google Play store. Please note, I'm looking for someone who can perform this task efficiently and effectively, ensuring that the app is successfully uploaded and is compliant with all G...

...app developer to create an E-commerce app for Android. This app is intended to support a relatively small product range, with less than 100 items available for sale. Key Requirements: - Development of a functional and user-friendly E-commerce app specifically for Android devices - Integration of UPI (Unified Payments Interface) as the primary payment method, ensuring a seamless and secure transaction process - Incorporation of essential E-commerce features such as product listings, shopping cart, order tracking, etc. Ideal Skills: - Proficient in Android app development and UI/UX design - Experience in integrating UPI or similar payment gateways - Strong understanding of E-commerce best practices and user behavior on mobile platforms. If you have prior experience in develop...

... Order Recording: Develop a user-friendly interface for recording orders by selecting sales and purchase offer IDs, entering customer-requested details, and generating informative tables for efficient processing. Inquiry: Enable users to upload customer lists for comparison with purchase prices, configure margins, and calculate selling prices directly. The module should support export to Excel for convenience. Purchase Analysis: Implement functionality for analyzing purchase invoices by uploading them with EAN, description, units, and prices. The app should provide detailed transaction analysis comparing invoices with purchase and sales orders, with export functionality to Excel. The ideal freelancer will have expertise in PowerApps development and a proven track...

...Desensitization and Reprocessing) therapy online, by animating a dot left and right on the screen. Here are the key details and requirements: Key Features: - Animation of a simple dot moving left and right on the screen - Integration with Zoom API for seamless operation in Zoom - Capability to control the speed of the dot's movement - Feature enabling the dot to be superimposed over the video of the therapist or provide a background image. You can copy the basic function of this website. (click the link that says, 'use the basic version for free'. Design Preferences: - The moving dot should be a simple, unembellished design but option to change colour and size. Ideal Skills: - Proficiency in app development, particularly for Zoom - Prior experience wit...

I'm seeking an experienced data scientist with expertise in Python and R for a project that involves time series data visualization and statistical analysis. Key Responsibilities: - Conducting data visualization to present insights in a clear and compelling manner - Performing statistical analysis to extract meaningful patterns and sup...science then your bid will most likely be ignored. Spam/placeholder bids will be ignored. A sample python report will be sent with a small bug to show the style we need and to ensure a basic skill level. You'll need to fix the bug! Please explain when applying what you can do to make these reports the best they can be and the number of hours you expect to produce the two. Speed is important so need an immed...

I'm in need of a talented software developer to create a self-ordering kiosk software. This is an urgent requirement and I'd like the project completed as soon as possible. Key Software Features: - Menu Customization: The software needs to enable users to browse through a customized menu and make their selection. - Payment Processing: The software should integrate secure and efficient payment processing features, accepting multiple payment formats. - Order Tracking: Users must be able to track their orders in real-time through the kiosk software. While no particular operating system compatibility was specified, universal compatibility would be preferred. Past experience in developing similar kiosk software would be a significant advantage. A developer with an acu...

...looking for an experienced developer to assist me with an Artificial Intelligence (AI) driven video processing project. The key points of this project are: - **Objective**: The main aim of this project is to create a video processing system that could understand video content and generate a talking video avatar. - **Tasks**: The AI system should be capable of performing three key tasks: facial recognition, text extraction, and converting the extracted text + video into a talking video avatar. - **Output Format**: The desired output format for the generated talking video avatar is MP4. Ideal candidates should have: - Proven experience in artificial intelligence, particularly in video processing and generation of talking video avatars. - Proficiency in facial reco...

As a professional in need of a brand identity, I'm looking for a talented graphic designer...appearance. - Color Palette: Curating a unique color scheme that reflects the innovative and creative nature of the brand. - Brand Guidelines: A comprehensive document detailing the usage of the logo, color palette, typography, and other design elements. Ideal Skills and Experience: - Strong portfolio showcasing experience in logo design and branding. - Understanding of current design trends, particularly in the professional/corporate sector. - Proficiency in Adobe Creative Suite (Illustrator, Photoshop, InDesign). - Exceptional communication skills to understand and interpret the brand's innovative and creative goals effectively. - Prior experience in developing brand guidelin...

...Conduct thorough keyword research related to the Miami area - Implement on-page optimization techniques to enhance each website's search visibility and user experience - Perform off-page optimization to build quality backlinks and improve domain authority - Regularly monitor and report on the performance of the implemented SEO strategies - Utilize white-hat SEO techniques that align with Google's guidelines - Collaborate with me to ensure that the SEO strategies are aligned with my business goals Ideal Skills and Experience: - Proven track record in managing SEO projects for multiple websites - Proficiency in on-page and off-page SEO practices - Strong understanding of keyword research and implementation - Expertise in traffic analysis and reporting - Familiarity with ...

I need help finding homeowners who are interested in improving t...- Must own a house - Must have a water supply and plumbing system - Should be interested in water conservation Key Service Objective: - The primary mission of the service is to improve water quality Tasks for the Freelancer: - Identify and engage with homeowners who meet the criteria - Promote the service primarily through online advertising - Secure sales and earn $50 for each successful transaction Skills and Experience: - Proficient in lead generation - Strong sales and persuasion skills - Experience in online advertising - Understanding of water conservation and filtration systems would be a plus. This project offers an opportunity for a proactive and results-driven individual to earn based on their sales pe...

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I'm seeking a skilled video editor for my YouTube channel. The goal is to convert my existing video content into engaging, fast-paced 1-minute clips in the style of reels or shorts. Key requirements: - Editing existing video content to create 1-...other social media platforms Ideal skills and experience: - Proficiency in video editing software (e.g. Adobe Premiere Pro, Final Cut Pro) - Previous experience in creating short form content for YouTube or other social media platforms - Strong understanding of pacing and storytelling in a short format - Ability to use text overlays and captions effectively - Understanding of YouTube content guidelines and best practices If you're a creative and experienced video editor who can bring energy and engagement to my content, I'...

...need a primary and secondary color scheme that can be used for different variations of the logo and other branding materials. Audience: Our target clients are large and mid-size companies. The logo should appeal to a corporate audience, reflecting reliability and expertise. Submission Guidelines: Formats: The final design should be provided in vector format (AI, EPS) as well as high-resolution PNG and JPG. Versatility: The logo should be versatile enough to be used across various platforms including our website, social media, and print materials. Originality: Submissions must be original and not infringe on any copyrights. Additional Information: We value clean, modern, and professional designs that can stand the test of time. Evaluation Criteria: Relevance to digital m...

I require a comprehensive wireframe design for a mobile application. - The wireframe will be intended for both iOS and Android platforms. - The application will require user authentication and user profiles. - The primary goal will be shared after the IP Agreement is signed The ide...- The application will require user authentication and user profiles. - The primary goal will be shared after the IP Agreement is signed The ideal candidate for this project will have: - Experience in designing wireframes - Experience with Figma - Proficiency in wireframing tools. - Strong understanding of user authentication and user profile design. - Knowledge of iOS and Android design guidelines. Please provide samples of your previous work and explain your experience in this area in your...