File upload and download in android webview jobs

I'm looking for a skil...developer to convert my existing Android Job Portal app into an iOS version. Core Features Required: - Job listings and search - User profiles and resume uploads - Application tracking system Design Assets: - I have partially designed assets for the iOS app, so your expertise in implementing and enhancing these designs will be highly valued. Ideal Skills: - Proficiency in Swift and Objective-C - Experience in iOS app development, particularly for job portals - Ability to work with partially designed assets and enhance them - Knowledge of integrating core features such as job listings, user profiles and application tracking systems. I'm looking for someone who can provide the nec...

...currently seeking an Android app developer with a strong background in implementing social logins, location services, and messaging services between users based on tickets raised for an issue that is broadcasted in that location where users to choose to accept it. Key requirements of the project: - Integrating social logins like Facebook and Google. - Implementing Location features like GPS and interactive maps. - ⁠Live Tickets being raised and displayed on a notice board that is user specific, and notification sent for high priority tickets based on the users preference. - Adding a messaging service between users. - ⁠Verification of users from the admin side. - Azure Integration (Credits will be provided) Given the scope an...

Work Instruction for Developing High-Performing Dynamic Educational Websites with Advanced SEO Purpose To create feature-rich, paid educational website focused on OC (Opportunity Class) and Selective School Test preparation which is mobile phone compatible as well. Both test formats will have two sections on Thinking Skills and Mathematical Reasoning. The website aim to deliver exceptional user experiences, seamless content management, and advanced SEO practices to maximize visibility, traffic, and user acquisition. All questions are multiple-choice. OC Test Overview • Test Sections: each test contains o Thinking Skills: Number of questions: 30 questions. Time allowed: 30 minutes Options for each question: 4 o Mathematical Reas...

I have a 2D sketch that needs to be converted into a CAD file (.stp or .stl). The CAD file must be made with high precision and fine details, as it will be used for 3D printing. Ideal Skills: - Proficient in CAD software - Experience with 3D model creation from 2D sketches - High attention to detail - Familiarity with .stp and .stl formats - 3D printing knowledge

...professional, responsive, and SEO-optimized website for my study abroad agency. This website will include multiple landing pages such as Home, Services, Testimonials, Contact Us, Universities, About Us, Blog, and an 'Apply Now' page. Key Features: - Design: The website needs to be fully responsive, ensuring a smooth user experience across all devices. - SEO Optimization: The site should be optimized for search engines to boost our online visibility and attract more potential students. - Live Chat Integration: I would like to incorporate Facebook Messenger for real-time communication with our visitors. - Appointment Booking: A system for scheduling consultations or appointments. - Application Form: This form needs to be multi-step, with features for docume...

...educational YouTube channel and I'm in need of a creative professional who can help with crafting engaging scripts and designing eye-catching thumbnails. Key Responsibilities: - Develop informal, yet educational scripts for my YouTube videos. - Create visually appealing thumbnails that align with the channel's tone. - Follow the steps and process guideline to achieve the goals Ideal Skills: - Expertise in YouTube scriptwriting with a focus on education. - Graphic design skills, particularly in creating YouTube thumbnails. - Understanding of YouTube's algorithm and viewer engagement strategies. If you don't know any of that, it's fine, because the steps and process is easy to learn. We do everything with...

...create a cross-platform travel and tourism application for Android and iOS. The app will allow users to: Book skip-the-line tickets for museums, tours, and activities. Reserve transportation services (airport transfers, taxis). Pre-book sunbeds and beach services with interactive maps. Make secure payments via Stripe, PayPal, Apple Pay, and Google Pay. The app must include QR code integration, multi-language support, and real-time availability updates. Additionally, we need support for autonomous kiosks with tablets to provide on-the-spot bookings. Deliverables: Fully functional Android & iOS app. Admin panel for managing listings, bookings, and user data. Deployment to Google Play and...

I'm in need of a mobile application that operates seamlessly on both Android and iOS platforms. This app will serve as a financial advisor for users, guiding them on how to allocate their investment portfolios, primarily focusing on stock market investments. Key Features: - Portfolio Tracking: The app should provide an interface for users to monitor their investment portfolios. This includes tracking the performance of individual stocks as well as the overall portfolio. - Advice Notifications: Users should receive timely notifications with financial advice. This could pertain to potential investment opportunities, portfolio adjustments, or market alerts. - User Interaction: The app should be designed for users to interact with it as a financial advisor. They will...

I'm seeking an expert in CNC machining with a strong background in working with stainless steel, specifically 303. The task is to create a one-off prototype of a golf club head, with the potential for larger batches if the prototype is successful. The machining process will require a 5-axis CNC machine. I have a step file from Solidworks Head is approximately 116mm by 30mm by 80mm in an L shape Key Requirements: - CNC machining expertise - Proficient in handling 303 stainless steel - Experience with 5-axis CNC machines - Ability to achieve a semi-polished finish I possess a CAD file for the design, and the golf club head does not require any custom features or engravings. The finished product should have a semi-polished, functional ...

...freelancer to create a robust and user-friendly B2C Gift Card and Gift Voucher App. The app will enable users to browse, purchase, and manage gift cards through seamless integration with third-party APIs. It will feature a modern UI/UX design, efficient backend architecture, and advanced security measures to deliver an exceptional customer experience. Scope of Work: 1. Key Features • User Registration & Login: OTP-based authentication. • Gift Card Browsing: Categorized and searchable gift card listings with real-time discounts/offers. • Purchase & Delivery: Add-to-cart, instant purchase, and delivery via email/SMS. • Payment Integration: Multiple payment methods (UPI, Credit/Debit Cards, Wallets, etc.). • ...

I'm looking for an experienced Android app developer who can build a utility app from scratch. The Figma design will be provided. Key Responsibilities: - Develop a utility Android app with AI content generation capabilities. - Implement text generation as a key feature of the app. The ideal freelancer for this project should have: - Proven experience in Android app development. - Strong understanding of utility app development. - Prior experience with AI content generation features in apps would be a plus. - Proficiency in interpreting and implementing Figma designs. Please provide examples of similar projects you've worked on in your bid.

Project Title: Parental Control App Development Admin Panel: Parent’s List with Details of subscription and devices,payment, active/inactive. Subscription package by device/month/year, Active/inactive. Parents app: Signup/Login with OTP, Buy Subscription Paytm gateway, Add/delete device, Set screen time, app block, hear sound of mic, Check Location, camera viewer same as reference, screen mirror, view notifications & files. See subscription details, check kid phone permissions details. Kids: app will be hidden, unable to uninstall easily. On the parent app add device button it should guide the Parents to download the kid phone apk from the URL, and after installing the kid phone apk it will ask for all the permission that needs. For a more detailed p...

...a freelancer who is an expert in and has experience connecting it to major platforms. Project Details: I need a connection between and Twitter (X). The goal is to upload posts (ideally including photos) from to Twitter. I am using the free version of , so I need to know if this is possible within the limits of the free plan. If this is feasible with the free version, it should be a straightforward task for an expert. I would like to complete the setup via a web conference with screen sharing. Additional Info: I already set up connections for Instagram and Facebook, so I have a basic understanding of the process. We need to focus specifically on the API/interface for Twitter. To select automatic replies without reading post in first line of yo...

I need an experienced Android developer to add a compliance disclosure to my app. The app will be prominently disclosing that it uploads user data to a custom third-party server. Your task will involve: - Integrating a compliance disclosure into the Android app. - Ensuring the disclosure is clear and prominent. The ideal candidate will have a strong understanding of Android app development and compliance requirements, as well as experience working with custom servers. Please include examples of similar projects you've completed in your proposal.

I have an online job portal that needs some enhancements. The key feature to be added is an integ...needs some enhancements. The key feature to be added is an integrated resume builder that accepts input from users and generates a modern, user-friendly resume. Key Responsibilities: - Implement a feature that allows users to build and upload resumes. - Create a user-friendly interface for manual data entry. - Design a modern resume template for the builder. Ideal Skills and Experience: - Proven experience in web development and feature integration. - Familiarity with creating interactive, user-friendly interfaces. - Experience with designing modern, appealing templates. Your expertise will help enhance the usability of the portal, making it more...

...support both iOS and Android platforms. Key Features: - User authenticates through Phone (Mobile OTP and Whatsapp OTP). It must work in India. India based provider. - Select/connect to a printer or printers in the mobile app. - PDF Printing: The primary function of the app will be to send PDF documents to a printer. - Dual Connectivity: Users should have the ability to send documents to the printer via both Wi-Fi and Bluetooth. Ideal Skills: - Extensive experience with cross-platform app development, particularly using Expo. I have larger application along with this. Hence it has to be in Expo. - The app must work in both iOS and Android environments - Prior experience with implementing Wi-Fi and Bluetooth ...

...talented developer who can help me enhance my Android app with a variety of new features. Key Areas of Development: - New User Interface Elements: Implement engaging and intuitive UI components that can improve user interaction. - Backend Functionalities: Enhance the app's performance and capabilities through robust backend improvements. - Third-party Integrations: Seamlessly incorporate useful third-party services to augment the app's functionality. Ideal Skills: - Proficient in Android app development. - Experience in UI/UX design principles. - Strong knowledge of backend development. - Proven track record with third-party integrations. Please note, specific UI design changes haven't been defined yet, but your expertise in...

I'm facing compilation and gradle sync errors in Android Studio for my React Native project. The issues arose after I updated React native and some libraries. I need a skilled professional to troubleshoot and resolve these build errors so I can resume development. Ideal skills for this project: - Proficiency in React Native - Extensive experience with Android Studio - Strong understanding of build processes - Expertise in resolving compilation errors - Familiarity with library updates and their potential impact on builds Please note, this project requires immediate attention. I look forward to your proposals.

...woocommerce expert that can develop a plugin that will focused on inventory management, in and out, ending balances and more. 1. add beginning inventory today (yesterday ending inventory) 2. add items that was added for today's inventory 3. add amount deducted today from inventory 4. add reason deducted today from inventory 5. current inventory,cost price, supplier field, item deducted, 6. input button for adding of inventory 7. person who added with date and time 8. approved by by 10. please add yesterday inventory with same content as 1 to 9 (or make like a report with date selection) 11. add download and print function 12. on top add summary for total stock count or total stock quantity and stock value 13. please add filters (su...

I'm looking for an experienced Laravel developer to assist with a web application project. The ideal candidate will have a strong understanding of PHP and SQL, given that we're working with an existing database schema. Key Requirements: - Proficient in Laravel - Strong PHP and SQL skills - Experience with web application development Nice to Have: - Knowledge of data visualization techniques - Experience with user authentication systems - Familiarity with file upload/download functionality

...weight, and product category. Each category will have its own separate Excel sheet and corresponding Google Drive folder for storing photos. The product name on the photo and in the Excel sheet must match. Additionally, we will need to find barcodes for all products, as none are provided in the link. The total number of products is approximately 2,600. Steps to Complete the Project Data Extraction: Visit the provided link to extract product information, including: Product Name Price Weight Category Organize this data in an initial spreadsheet format. Create Excel Sheets: For each product category identified, create a separate Excel sheet with the following columns: Product Name Price Photo (link to the corresponding photo in Google D...

I have a scanned document in PDF format that needs to be typed up. The document needs to be typed exactly as the original, so attention to detail is critical. The primary use for this document will be for personal use. Ideal skills for this project: - Excellent typing skills - High attention to detail - Proficiency in English and understanding of grammar and punctuation - Experience with typing and formatting scanned documents.

I'm...primary task involves processing documents saved in an S3 bucket. Key Responsibilities: - Utilize AWS Lambda to handle document attachments stored in S3. - Write/Upload documents to the S3 bucket as needed. Ideal Skills and Experience: -Should be expert in handling complex python projects (Enterprise level) - Proficient in Python -Should be proficient in creating same attachment which is in internal bucket to DM bucket . - Extensive experience with AWS Lambda - Familiarity with S3 bucket operations - Able to handle document processing tasks efficiently -Should be able to work on a remote machine . -Should be available in CST timezone for atleast 3-4 hours (9am -2 pm cst ) -***Please do not apply if you have less ...

I'm looking for a cost-effective control app for a 33” small RC model boat. The app will need to be developed for the cheapest option between iOS and Android, and should allow for controlling the rudder and speed of the boat. Key Requirements: - Control rudder and speed - Platform: Most affordable between iOS and Android - Type of control: App-based (specific control method to be discussed) The ideal candidate would have: - Experience in app development for RC vehicles - Knowledge in both iOS and Android development - Ability to create intuitive control interfaces - Understanding of rudder and speed control mechanisms in RC boats

...holiday events app for both iOS and Android. This app should be packed with features including an event calendar, photo sharing capabilities, and a section for sharing recipes. Key Features: - Event Calendar: This will help users keep track of all holiday events. - Photo Sharing: Users should be able to share their holiday pictures with friends and family. - Recipes: A section for users to share their favorite holiday recipes. Furthermore, the app must include a user authentication system. This will be a simple email/password login system. Ideal skills and experience for the job: - Proven experience in cross-platform mobile app development - Familiarity with integrating social features in apps - Experience with creating an event cale...

...allow photographers to upload and sell their photos taken at sporting events, while providing customers with an easy way to search and purchase their photos. How It Works: For Photographers: Photographers attend sporting events, take photos, and upload them to the platform. Photos are categorized by event and tagged for easy searchability. Photographers earn money for every photo sold, based on a revenue-sharing model where the platform takes a small commission. For Customers: Customers can find their photos by uploading a selfie or searching by their bib number. AI technology (facial and bib number recognition) matches the uploaded selfie or bib number to the relevant photos in the platform's database. Customers can previe...

Looking for an Automation Specialist for TikTok Beta Testers I’m looking for someone to help set up an automated process for managing beta testers through TikTok and instagram. Here’s the idea: When someone comments “beta tester” on my TikTok videos, they should automatically receive a message. The message will ask if they’re using iOS or Android. iOS users will need to provide their name and email and receive an email to download the app via TestFlight. Android users will directly receive a link to download the app. After downloading, they will receive an automated message with a list of questions to answer. If you can set this up using tools like ManyChat, Zapier, or similar, please reach out.

Looking for an Automation Specialist for TikTok Beta Testers I’m looking for someone to help set up an automated process for managing beta testers through TikTok and instagram. Here’s the idea: When someone comments “beta tester” on my TikTok videos, they should automatically receive a message. The message will ask if they’re using iOS or Android. iOS users will need to provide their name and email and receive an email to download the app via TestFlight. Android users will directly receive a link to download the app. After downloading, they will receive an automated message with a list of questions to answer. If you can set this up using tools like ManyChat, Zapier, or similar, please reach out.

I'm lo...create a cross-platform (iOS and Android) mobile application for food delivery. The primary users of the app will be restaurant owners. Core Features: - User Registration and Login: The app should allow restaurant owners to register and log in seamlessly. - Order Tracking: A reliable system for tracking orders in real time is essential. - Payment Integration: The app needs to have a secure and efficient payment integration system. Ideal Skills: - Proficiency in cross-platform mobile app development. - Previous experience in developing food delivery apps. - Strong understanding of UI/UX for restaurant owners. Experience with secure payment systems and real-time tracking technology will be a significant ...

I have a PDF flyer that needs a simple email update. The contact email on the flyer should be changed from reservations # to guestservice # nisade.com. ( I was not able to put the @ sign in this descirption ) Additionally, there is some text content that needs to be changed, though I cannot specify what changes are required at this moment. Please send over pdf and high and low res jpg image too You can download the pdf here !AtrP9hCmu-3vjZxPN0cTE9eu5Km_LQ?e=JJxtAp

I'm looking for an experienced 3D modeler to convert my 2D PDF drawings of a locomotive headlight into high-detail STL files for 3D printing. The final product will be a display model, so a high level of detail and accuracy is required. Key Requirements: - Proficiency in 3D modeling software - Experience with creating STL files for 3D printing - Ability to interpret and accurately translate 2D drawings into 3D models - Capability to work with intricate features - Attention to detail, as the final model will be a display piece If you have a portfolio of similar projects, please share it with your bid. I'm looking forward to seeing your proposals.

I'm looking for an experienced TikTok content creator and manager. I need someone who can create engaging videos and run my TikTok account with the goal of achieving monetisation. The budget for this project is limited to 100€. Key Responsibilities: - Create and upload daily TikTok videos - Work on content that spans a mix of themes: some suggested by me and some created by you - Optimise the account and videos for monetisation Ideal Skills and Experience: - Proven track record of successful TikTok accounts - Strong video editing and content creation skills - Understanding of TikTok's monetisation process - Creative mindset with the ability to come up with engaging content - Good communication skills for content...

I am looking for a skilled developer to create a professional and corporate styled Ecommerce mobile app compatible with both iOS and Android. Key Requirements: - Secure handling of data and payments - User features: login & password - Functionality for bill generation and invoices - Monthly report generation in both Excel and PDF formats for tax purposes Payment Integration: - Credit/Debit Card - Mobile Wallets - UPI - Visa Ideal Candidate: - Proficient in cross-platform mobile app development - Experienced in implementing secure payment systems - Familiar with designing professional and corporate styled apps Please include in your proposal examples of similar apps you've developed.

Hi Peter, Do you think you can download a song for me asap. Its for a memorial video. I hope the song isnt copyrighted...here is the link:

...seeking a seasoned mobile app developer, proficient in Angular and the Ionic framework, to create a mobile app for both Android and iOS. Phase 1: The app will consist of four pages, each with a few objects. Key tasks include: - Form Submission: Users will interact with the app through various forms. Your role will involve creating these forms and ensuring their successful submission to the backend server. - Dashboard Overview: One of the pages will serve as a dashboard. This will need to present data clearly and be easy for users to navigate. This phase will also require: - Backend Communication: The app must send information to a backend server and receive responses. - Notifications: The app should be able to receive both push notifica...

I'm looking for a skilled developer to create a simple drone simulation app focused on flight simulation. The app should be designed for Android mobile devices and should provide an intuitive and engaging simulation experience. Key Requirements: - Development of a mobile app specifically for Android. - Focus on the primary feature: flight simulation. - Creating an intuitive user interface for an engaging simulation experience. Ideal Skills: - Proficiency in Android app development. - Experience with simulation app development. - Strong skills in creating user-friendly interfaces.

PLEASE READ THE DETAILED DESCRIPTION BELOW AND PROVIDE A QUOTE FOR DAYS AND DOLLARS My social media-style app built on and Python is 95% complete and requires a skilled developer to address some final issues and deliver it ASAP. The budget is $500 and the timeline is ASAP. Please include with your proposal the number of days required. I would prefer someone who can assign several people to the different parts of the job in order to speed this up. Key Areas of Focus: - Frontend Issues: The app's user interface needs to be polished and made user-friendly. - Backend Issues: There are some server-side concerns that need to be resolved. - Integration Problems: - Login/Signup: The user registration and login process nee...

...substantial expertise in creating iOS and Android native apps using React Native. The app primarily handles multimedia content (images, videos) and will require social media login for user authentication. It's crucial that the app is hosted on AWS cloud. Key Requirements: - Proficiency in React Native, with a focus on cross-platform app development. - Experience with AWS cloud hosting. - Ability to design and implement social media login for user authentication. - Prior experience handling multimedia content in app development. - Knowledge of best practices for iOS and Android native app development. This project is ideal for a developer who is not just technically skilled but also has a keen understanding of user-fri...

...based in the US looking for someone who can figure out anything with minimal supervision. We develop and sell product on Amazon under two brands. We need a technical generalist who can attack and solve any kind of problem that comes their way. Someone who likes to build and solve problems quickly. You’ll tackle diverse tasks—from setting up Facebook/Google pixels, tweaking Shopify themes, and creating workflows in Zapier, to managing inventory databases and supervising others on routine tasks. The Types of Things You Will Do: Implement & Optimize: Configure tracking pixels, handle theme updates, troubleshoot integrations, and manage product listings across multiple platforms (Amazon, Etsy, Ebay, Walmart). Automa...

The mobile app should create a token using the Stripe SDK for mobile platforms ( Stripe iOS/Android SDK) this is for an update

I need an expert developer in Flutter and Firebase to upload my application. The functionality of receiving images in Firebase is already there, it simply has to be added to the Xcode file. Everything works, the application on Android simply upload it to the AppStore.

...am seeking a skilled professional in cybersecurity and mobile app development to create a highly secure communication system designed to protect all communications from surveillance or interception. Key Features of the Project: 1. Secure Device: Customization of a smartphone to operate only via Wi-Fi. Disabling unnecessary features such as GPS, camera, microphone, and cellular modem. Customizing the operating system (e.g., GrapheneOS or CalyxOS) to prevent unauthorized modifications. 2. Custom Communication App: A messaging app similar to WhatsApp featuring:  Encrypted text messages.  Multimedia file sharing.  Secure audio calls. Peer-to-peer communication only (no intermediate servers). Implementation of advanced end-to-end encryption. 3. Anonymous a...

...both iOS and Android platforms. Key Features: - The app will allow users to tap on different parts of a realistic 3D brain model. - Upon selection of a specific brain area, the app should display that area's primary function and how it influences certain emotions. - The primary goal is to educate users on the connection between different parts of the brain and their everyday feelings. - Enable users to track their learning progress and revisit specific brain areas. - Offer the app in english and arabic. - Include information on common brain diseases and disorders in the simulation that have to do in that specific area in the brain. - Add audio explanations and narrations for each brain area for ...

...presentation with selected Shutterfly images. The focus of these images will be to showcase a product. DEADLINE 24 hours Key requirements: - You'll need to integrate the images seamlessly, ensuring a smooth flow and maintaining the overall professional and clean aesthetic of the presentation. - Prior experience with PowerPoint and image integration is essential. - A good understanding of creating a product showcase within a business presentation context will be advantageous. Please ensure your bid reflects your capability to deliver a high-quality presentation. DETAILS: Download link of the Powerpoint files

I'm looking for a bold and vibrant logo for "". This logo needs to harmonize with Unionwear's existing logo. If you want to add any imagery use that of a Tote Bag --and you can put a pattern on the tote bag. If you break up ToteStudio the words are Tote and Studio. However, I think it is important to keep together on one line as it is a URL If you use Unionwear it is either Unionwear or UNIONWEAR or unionwear... NOT Union Wear or UnionWear Deliverables: - An 8 x 10 sign with "" prominently displayed, and the text "Smart Canvas From" along with the Unionwear logo below it. - The use of our specified font, Din 2014 bold and regular (available for download here: )

...uploading, editing, and targeting of media files (images/videos) to specific destination files on the site, with the ability to set limitations on changes and incorporate ad-based content. Key Features: - Upload new media: The app should provide a user-friendly interface for uploading new media files to the website. - Edit existing media: Users should be able to make changes to current media content. - Target destination files: The app should allow users to specify where on the website the media should be placed. - Limitations to changes: The app should have a feature that restricts the number of daily changes and use ads to allow further changes. - Ad-based content: The app should incorporate functionality for managing ad-based media. - Flow charts are alre...

I'm looking for an experienced React Native developer to help with the migrati...to help with the migration of my app from rn 0.66.4 to the latest version. The app needs to be properly building for Android targetSDK 34 and iOS 18 post-migration. Key Details: - There are minor issues in the app that need to be addressed during the migration. - A few libraries also need to be updated alongside the React Native migration. - There are no custom modules that will need to be updated. Ideal Skills: - Proficient in React Native and its ecosystem. - Strong experience with Android and iOS build processes. - Able to troubleshoot and solve minor issues during migration. - Experience updating and managing dependencies and lib...

...manufacturing company specializing in dental prosthetics. We’re looking to build a scalable and professional e-commerce platform tailored for dental labs across the U.S. This platform will serve as a key part of our business as we grow. Scope of Work: 1. E-commerce Platform Setup • Build and customize the website using Shopify or BigCommerce to support an initial product catalog of approximately 500 SKUs, with the ability to scale to 1,000+ SKUs over time. 2. Custom Features • Enable secure customer login accounts with role-based pricing for specific customers. • Develop a bulk-ordering system with functionality to offer free units for large purchases instead of percentage discounts. 3. Product Management Assistance • We will provid...

...application with source code for Android and Web platforms with admin panel. This app will serve as a comprehensive recharge solution, catering to different levels of users - Master Distributors, Distributors, and Retailers. Key Features: - Multi-tier User Access: The app should have secure and user-friendly interfaces for different types of users, namely Master Distributors, Distributors, and Retailers. - Recharge Services: The core functionality of the app will be to facilitate recharge services. - API Integration: The app should have seamless API integration to ensure smooth operations and connectivity. - UPI Integration: A crucial part of this project is the integration of UPI for easy and secure transactions. Ideal Skills and...

I'm looking for a skilled developer to create a Shopify app for me. The app should allow users to upload images, size them according to custom dimensions and aspect ratios, and then get a price based on the dimensions of the resized image. Key Features: - Image upload functionality - Custom sizing options for users - Aspect ratio options - Pricing based on resized image dimensions Ideal Skills: - Proven experience in Shopify app development - Proficiency in creating user-friendly interfaces - Understanding of image processing and pricing algorithms