Cortador e modelador profissional freelancer jobs

I'm looking for an experienced Android developer to help me create an E-Commerce mobile application. Key Project Details: - Platform: Android - Main Functionality: E-commerce Key Requirements: - Proficiency in Android app development - Strong understanding of E-commerce functionality and design - Experience with integrating payment systems, specifically Razorpay Ideal Skills and Experience: - Prior experience in developing and launching E-commerce apps - Knowledge of mobile app design principles - Familiarity with Razorpay or similar payment systems I'm keen on finding a developer who can deliver a high-quality, secure, and user-friendly E-commerce app for Android. Please share your relevant experience in your proposal.

I'm looking for an experienced Android ap...looking for an experienced Android app developer to design and build an e-commerce application. Key functionalities to include: - Online payments: The app should support secure and smooth online transactions. - Product catalog: It needs to have a comprehensive and easy to navigate product catalog. - Shopping cart: It also needs to support a shopping cart allowing for easy purchase processes. - Complete multivendor capability: Lastly, it must be a multivendor platform, enabling other sellers to list and sell their products. Ideal candidate must have: - Experience in designing and building Android apps - Previous work on e-commerce apps or platforms - Understanding of secure online payment methods - Knowledge of multivendor...

I need a skilled freelancer to assist me with creating a comprehensive set of forms for data collection during field research. Key Responsibilities: - Design and create a range of survey questions that cater to different data collection needs. - Ensure the forms are user-friendly and intuitive for field research. Ideal Skills and Experience: - Proven experience in form creation, particularly for data collection purposes. - Strong attention to detail and understanding of the nuances in creating an effective form for field research. - Proficient in utilizing Fast Fields or similar software to ensure a smooth workflow automation. Please note that I anticipate having many different types of survey questions, so experience in managing large volumes of questions would be highly adv...

...a dedicated and skilled customer service expert with at least 5 years of experience to help me manage my e-commerce store's customer service operations. Key Responsibilities: - Handling order tracking and fulfillment - Managing returns and exchanges - Answering customer inquiries - Responding to live chat - Making phone calls when necessary - Reaching out to customers for reviews - Reviewing and auditing invoices from the optometry lab and fulfillment center - Responding to social media messages and comments - Assisting in signing up new affiliates - Conducting influencer outreach Skills and Experience Required: - At least 5 years of experience in customer service, preferably in an e-commerce setting - Proficiency in using Live chat software, Phone call software, ...

I'm seeking an expert who can proficiently help in transforming my seller accounts into vendor on Amazon. The main objective is to boost my revenue, expand my customer base, while improving the customer experience. Specializing in electronic gadgets, the ideal candidate will need: - Decisive knowledge on Amazon marketplace - Proven strategies for vendor transition - Expertise in increasing eCommerce revenue - Ability to enhance customer experience and reach - Experience with kitchen equipment electronic gadgets would be a plus. Achieve growth with me by converting my seller status to vendor!

I require a WordPress developer to create a website with e-commerce functionality for selling physical goods. Requirements: - We need to implement advanced product customization options. This will be a key feature of the website and is crucial for our customer experience. - The website will be selling physical goods, so experience in creating e-commerce platforms for physical goods is crucial. Ideal skills and experience: - Proficiency in WordPress development - Expertise in e-commerce functionality within WordPress - Experience in implementing advanced product customization options - Prior experience in developing e-commerce platforms for physical goods would be ideal.

I'm looking for a skilled Web Application developer to update and maintain a web application with advanced user interaction features. Key Requirements: - Update the Application in the backend / front end with the latest features ( Will be provided) - Update application sign-in features and Splash images - Configure Firebase Cloud fully/ Google IAM with all features (Like push notifications ) - Upgrade & integrate PG - Editing existing content on the Laravel website Ideal Skills - Proficiency in web application technologies backend languages like PHP, Laravel, Andriod Studio, Vue.Js, Git and Github, Front end Flutter development.

...professional website. The main focus of the project is to build a functional e-commerce website that not only caters for my initial product range of 11-50 items but also has the capabilities for future expansion. Key Requirements: - E-commerce Capabilities: The site needs to be fully equipped to handle online transactions. - Product Management: Implementing a system that makes it easy to add, edit, or remove products. - Payment Gateway Integration: Specifically, I need the website to integrate with PayPal for secure and convenient payments. The ideal freelancer for this project is someone with: - Extensive Experience: Proven track record of building e-commerce websites with WordPress. - Strong Understanding of E-commerce: Knowledgeable about industry...

I'm in need of a professional designer who can create a combination of text and icon-based logo for my e-commerce website. Additionally, I require graphics for the site that match a modern and minimalist aesthetic. Key points: - Creation of a logo that combines text and icon: The logo should be designed to represent the essence of my e-commerce brand. - Website graphics: I need a set of graphics that reflect a modern and minimalist style. These will be used across the website to enhance its visual appeal and maintain consistency. Ideal skills and experience: - Proven experience in designing logos and website graphics, particularly for e-commerce sites. - An in-depth understanding of modern, minimalist design principles. - Strong portfolio showcasing successful p...

I'm currently in need of a skilled professional versed in CSS3, HTML5, PHP, and MYSQL. My primary requirement consists of creating minimalist and clean CSS styles for specific pages, namely the products page, product view, and checkout page. In addition to this, there will be some light PHP work involved. The ideal candidate should have demonstrable experience in these areas and a good eye for clean and minimalist design. Efficiency and attention to detail are key.

I'd like to set up an e-commerce website for selling physical products. Key Features: - Load inventory data from my vendor using API. I think Shopify would be the platform to use - Drop ship from a vendor: The website should be able to facilitate drop shipping from a specific vendor of ours. Ideal Skills: - Experience in e-commerce website development, particularly with physical products. - Knowledge of inventory and drop shipping processes. - Understanding of how to integrate third-party vendors into an e-commerce platform.

We're on the search for a dedicated Customer Support Specialist for a part-time (4 hours/day) position to enhance our customer satisfaction. Key Responsibilities: - Handle communication via emails, live chat, and social media. - Efficiently answer client inquiries. - Resolve customer complaints in a professional and timely manner. - Share accurate product information. - Amend product orders and customer accounts in Shopify as required. Ideal candidate should have prior experience in customer service. Excellent problem-solving skills, knowledge about our product line, and a can-do attitude are essential. Training will be provided to ensure familiarity with our product and company policies.

I urgently require a proficient web designer to create an engaging E-commerce website. While I have bypassed specific feature requirements, your expertise in essential E-commerce components will be of high importance. Key Responsibilities: - Design an intuitive, user-friendly website - Implement the latest E-commerce functions Ideal Experience and Skills: - Expert knowledge in E-commerce web design - Excellent understanding of the latest website features Please note, the project needs to be completed as soon as possible. Your dedication to timely project completion is essential.

I'm seeking a skilled developer to create an e-commerce site on Shopify with a dark theme. Please reach out to mattwill650 at gma!l c om for the project requirements.

I need a talented web developer to create an e-commerce website for me, focusing primarily on a shopping cart system. The potential freelancer should possess the following skills and experience: • Mastery of e-commerce platforms to ensure smooth functionality. • Ability to integrate a shopping cart system seamlessly. • Proven track record of successful social media integration. • Experience in integrating Credit Card Processors like Square and Visa. Here's what I need: • Development of an interactive e-commerce website. • Integration of a user-friendly shopping cart system. • Incorporation of a credit card processor like Square/Visa for payments. • Basic blogging capabilities for content marketing. • Social me...

...experienced Android app developer to create a small e-commerce application. This will be a mobile platform that facilitates online buying and selling. Key Features: The Online Lottery Application aims to provide users with a convenient platform to participate in the lottery games through their mobile devices. The project seeks to leverage mobile technology to offer a seamless and accessible experience for purchasing lottery tickets, checking results, and managing accounts. Ideal Skills: - Prior experience in the development of e-commerce apps. - Proficiency in integrating mobile payment systems. - Strong understanding of Android development best practices. If you're a developer with a proven track record of creating user-friendly and secure e-commerce apps ...

...accounts on Google and Apple to publish e-commerce applications. The project involves the following: - **Operating Systems:** The app should be compatible with both iOS and Android. - **Primary Purpose:** The main objective of the application is e-commerce. It will be used for online buying and selling. - **Payment Gateway Integration:** The app will be integrated with the Stripe payment gateway. The ideal freelancer for this project should have: - Experience in setting up developer accounts on both Google and Apple platforms. - Proficiency in developing e-commerce applications for both iOS and Android. - A good grasp of integrating payment gateways, particularly Stripe. I'm aiming for a professional with a proven track record in creating and publish...

...looking to develop an AI-based e-commerce website that primarily sells fabric clothing. The main goal of the platform is to provide personalized recommendations to users, enhancing their shopping experience. Key Features: - Personalized Recommendations: The website should utilize AI to analyze user's browsing behavior, purchase history, demographic info, and other relevant data to suggest tailored products. - Whatsapp Business Integration: A key part of the project is integrating with WhatsApp Business to provide seamless customer support and order processing. - Merchant Dashboard: The platform will incorporate a dashboard for merchants to track sales, manage stock, and oversee their online store. The ideal candidate for this project is a developer with experience in e...

Hi Paulina E., I noticed your profile and would like to offer you my project. We can discuss any details over chat.

I'm seeking a proficient lead generation expert to help my web development business grow. Your primary target will be E-commerce businesses. Key Responsibilities: - Identify potential E-commerce clients for my business - Engage with them through cold calling - Secure their interest in our services To be successful in this role, you should have: - Proven experience in lead generation, especially within the E-commerce space - Exceptional communication and negotiation skills - A good understanding of web development services - The ability to work independently and efficiently This project is a great opportunity for someone who is driven and results-oriented, as there is potential for long-term collaboration.

This Agreement is made and entered into as of April 16, 2024, by and between: Abed Tahan, represented by Samira Tahan, hereinafter referred to as "Client", and DINOTECH SOFTWARE SOL, represented by Harshit Sharma, hereinafter referred to as "Developer". WHEREAS, Client desires to have a website developed on the Magento 2 platform, and Developer desires to provide such services. NOW, THEREFORE, in consideration of the mutual covenants contained herein, the parties agree as follows: 1. Services Developer agrees to provide the following services for the Client's website: Magento 2 Site Backups: Regularly upload backups of the Magento 2 website to a test server. Feature Development: Develop any new features requested by the Client. Design Changes: Implement any de...

This Agreement is made and entered into as of April 16, 2024, by and between: Abed Tahan, represented by Samira Tahan, hereinafter referred to as "Client", and DINOTECH SOFTWARE SOL, represented by Harshit Sharma, hereinafter referred to as "Developer". WHEREAS, Client desires to have a website developed on the Magento 2 platform, and Developer desires to provide such services. NOW, THEREFORE, in consideration of the mutual covenants contained herein, the parties agree as follows: 1. Services Developer agrees to provide the following services for the Client's website: Magento 2 Site Backups: Regularly upload backups of the Magento 2 website to a test server. Feature Development: Develop any new features requested by the Client. Design Changes: Implement any de...

Develop Website - Description: Create a comprehensive website called with functionalities similar to , incorporating an integrated database where vendors can list their car parts and customers can search for parts using their vehicle's VIN number. Requirements: 1. **Vendor Listing System**: - Implement a user-friendly interface for vendors to register and list their car parts. - Allow vendors to upload images, specify details, and set prices for each listed part. - Ensure secure login and registration functionalities for vendors. 2. **Vehicle Identification via VIN**: - Develop a VIN lookup feature enabling customers to input their vehicle's VIN number and retrieve a list of parts compatible with their vehicle. - Utilize VIN decoding APIs or dat...

I am seeking an experienced Flutter developer to build an e-commerce app compatible with both iOS and Android. I already have a designed blueprint ready and will provide all assets and wireframes needed to expedite the process. Key Responsibilities: - Convert my design to a fully functional app - Ensure smooth and efficient operation on both platforms - Include all essential features for an e-commerce platform, including but not limited to, product listing, shopping cart, payment gateway, and user accounts. Ideal Candidate: - Must have significant experience in developing cross-platform apps using Flutter - Prior experience in e-commerce app development is preferable. - Must have good understanding of how to integrate third-party services and APIs - Strong atte...

...website developer to create an engaging and visually appealing e-commerce platform. Key Requirements: - The primary objective of the site is to sell products, so seamless integration with a payment processing system is essential. I need to ensure that users can browse products, select items, and make purchases with ease. - I'm looking for a design that's 'fun and vibrant'. This means bold colors, playful elements, and an overall lively aesthetic. Key Skills: - Proficient in Wix website development. - Experience in building e-commerce sites, particularly with payment processing system integrations. - A good eye for design, particularly for a 'fun and vibrant' style. Please provide examples of your previous work, particularly e-com...

I need a website that functions as an e-commerce platform for my clothing brand. Key Features: - Shopping Cart: Customers should be able to add multiple items to a shopping cart before making a purchase. - Customer Reviews: Each product page should have an easily visible section for customer reviews. - Product Filters: The e-commerce site should have product filters based on categories like size, color, type, etc. For this project, experience in creating e-commerce websites is essential. Knowledge of integrating effective shopping carts, product filters, and customer review modules are the key skills required. The site will strictly be for the sale of physical products, therefore experience dealing with e-commerce platforms focused on physical product sales...

I'm looking for a professional web developer to construct an e-commerce website primarily focused on selling physical gardening products. The site needs to encompass the following: 1. Product Organization: The ability to categorize and display a variety of Furniture products efficiently. Your experience in creating multi-category e-commerce sites will be valuable in this project. 2. Payment Integrations: It should include multiple payment options like credit card processing, PayPal and cryptocurrency payments. Your knowledge and experience in setting up secure and user-friendly transaction systems is crucial. The right person for this job should be well versed in e-commerce website development and have a solid understanding of different payment gateways. A...

As a Flutter Developer, you will review the software specifications and UI mock-ups, develop a cross-browser mobile application from scratch, and lead the application testing effort. You'll work alongside a backend developer and a UI designer to ensure you create high-performing applications with a smooth user experience. Roles and Responsibilities · Designing, developing, testing, maintaining, and deploying software in the Flutter framework and Dart language. · Developing and implementing user interface components by following well-known Flutter / Dart workflows and practices. · Participate in testing, quality assurance, and bug fixes as part of the CI/CD cycle. Qualifications and Requirements: · 3 to 5 years of experience developing mobile apps natively...

...web designer to create an engaging e-commerce website on the Shopify platform with seamless integration of credit card payment methods. Key Requirements: - Design an e-commerce website from scratch on the Shopify platform - Ensure smooth, secure and user-friendly credit card payment integration - Implement a responsive design for optimal viewing on all devices - Utilize best practices for e-commerce user experience - Include basic SEO setup for visibility on search engines Ideal Skills: - Proficient in Shopify development - Prior experience in designing e-commerce websites with successful credit card payment integrations - Strong eye for design and understanding of user experience - Basic SEO knowledge for initial setup Please showcase your previous e...

Are you a skilled freelancer with a knack for finding the right users for innovative software solutions? We want you on our team! We're on the hunt for a talented freelancer to help us find 100 beta testers for our revolutionary all-in-one business management software, UnitaskerPro. With features spanning project management, CRM, HRM, payroll, recruitment, asset management, purchase management, and finance management, UnitaskerPro is set to transform the way businesses operate. To check, please visit our website at As a freelancer, your responsibilities will include: 1. Identifying potential beta testers within our target market. 2. Reaching out to businesses and individuals who could benefit from UnitaskerPro's comprehensive suite of tools. 3. Generati...

I'm in need of a seasoned full stack developer who can handle web and app development, along with setting up a server for an e-commerce platform. I need the following features implemented: - **User Authentication**: A secure and robust user authentication system is a must. - **Payment Gateway Integration**: Seamless integration with popular payment gateways for a smooth shopping experience. - **Social Media Integration**: To enhance the user experience through social media connectivity. The main goal of this project is to set up a user-friendly and efficient e-commerce platform, so the ideal candidate should have a strong portfolio in e-commerce web and app development, along with the necessary server setup expertise.

Seeking a skilled developer capable of quickly creating a robust asp.net-based e-commerce web application. The application demands the following features: - Product listing - Shopping cart - Payment gateway - Admin access to data Data should be stored in MS Access 2007. As the design is not yet finalized, possessing a keen eye for detail and themes that resonate with users will be highly valued. This project is time-sensitive and must be completed within 1 day. Proficiency in Visual Basics and experience in speedy application development is sought after.

... Ideal Skills: - Proficiency in Assamese - Use of words used in regular communication - Capability to deliver a friendly and casual style - Commitment to prompt and precise communication This job requires clear articulation without sounding overly formal. Reading Arabic text is required to quote the reference. reading from transliteration will also importantly, the chosen freelancer must be reliable, responsive, and deliver high-quality results....

I am in need of a seasoned developer to create a sophisticated e-commerce platform. Key Skills Needed: - Proficiency in JavaScript, React.js, , , TypeScript and MongoDB - Experience in developing complex web applications - Understanding of e-commerce platform architecture The project involves: - Developing a user-friendly e-commerce website - Integrating payment gateways and security measures - Ensuring smooth navigation and high performance - Implementing a robust back-end system for product management and order processing The ideal candidate would have a demonstrable portfolio in e-commerce application development, strong communication skills, and a track record of delivering projects on time and within budget.

I am looking for an experienced developer to create a full-fledged e-commerce website for my physical products. Key Requirements: - Listing various physical products for sale - Integration of multiple payment gateways: Credit Card Direct Processing, Upi, Cash on Delivery, Debit Card, Netbanking - Incorporating user accounts for purchase with the option for both mandatory user accounts and guest checkout Ideal Skills: - Proficiency in e-commerce website development - Experience in integrating multiple payment gateways - Understanding of user account management systems

I'm in need of an e-commerce expert who can help me increase my online store sales and manage my online presence effectively. Responsibilities: - Increasing Sales: I need assistance in optimizing my online store's design to make it more appealing and user-friendly. The main goal is to drive more conversions and turn visitors into customers. - Google Ads Management: I currently run Google Ads campaigns for my store but they need to be optimized for better performance. The ideal candidate should be able to analyze the current campaigns, make necessary adjustments, and run new campaigns to increase sales. - Social Media Management: I also need help in increasing my social media following on Facebook and Instagram. This includes creating engaging content, running targeted ad...

...and kitchen items online, and am in need of a professional web designer to help me create website templates. I've not yet decided on the ideal way to display my products, and am open to suggestions on whether a list view, grid view, or carousel view would best maximize the customer experience. - The website should be easy to navigate, functional, and appealing to the eye - Experience designing e-commerce sites is a must, as is familiarity with industry trends - A strong understanding of SEO best practices, as well as proficiency in HTML, CSS, and JavaScript, is essential - Skills in UX/UI design would be advantageous, as would prior experience in designing for the home and kitchen sector - I'm looking for someone who can provide me with creative and effective design s...

As an e-commerce stores owner, I'm looking for a proficient freelancer to swiftly migrate my WordPress e-commerce websites. I have about 4-6 websites which need to transfer to Siteground within a span of 24-48 hours. Key tasks: • Migration of WordPress-based (IS NOT E-commerce) websites on SiteGround • Ensuring site performance is intact or better post-migration Post migration, I'm contemplating a long-term relationship for enhancing the design and layout of our websites. I believe in improvement and iterative changes for best user experiences. Key skills required: ** YOU NEED TO KNOW HOW TO USE WPmigrate or to use siteground imgration OFFLINE download local files from Siteground** • Excellent understanding of WordPress and SiteGr...

As an e-commerce stores owner, I'm looking for a proficient freelancer to swiftly migrate my WordPress e-commerce websites. I have about 4-6 websites which need to transfer to Siteground within a span of 24-48 hours. Key tasks: • Migration of WordPress-based (IS NOT E-commerce) websites on SiteGround • Ensuring site performance is intact or better post-migration Post migration, I'm contemplating a long-term relationship for enhancing the design and layout of our websites. I believe in improvement and iterative changes for best user experiences. Key skills required: ** YOU NEED TO KNOW HOW TO USE WPmigrate or to use siteground imgration OFFLINE download local files from Siteground** • Excellent understanding of WordPress and SiteGr...

I am in need of a skilled WordPress plugin developer to create a custom e-commerce plugin. The plugin's main feature will be to integrate Shipping and Handling functionalities, with a specific focus on TNT shipping carrier. Key Requirements: - E-commerce Functionality: The plugin needs to be able to handle the end-to-end e-commerce process. - Shipping and Handling Integrations: The core of this plugin is the seamless integration with TNT shipping services. This includes real-time shipping rates, tracking, and label printing. Ideal Skills: - Extensive experience with WordPress plugin development. - Strong understanding of e-commerce processes and best practices. - Experience integrating with shipping carriers, preferably TNT. Please let me know if you...

Please see attached reports. I will provide documents referred to in the report

As an expanding business, we are on the lookout for a seasoned freelance web developer who specializes in WooCommerce e-commerce solutions. Our project will be two-fold: 1. **Develop an E-commerce Website**: Creating from ground up, a user-friendly, engaging, and sales-efficient e-commerce platform. 2. **Implement WooCommerce**: We prefer the WooCommerce platform, thus experience and confidence in handling this is essential. Prime qualifications for this role would include: - Proficiency in web development and prior experience with e-commerce websites. - Expertise in WooCommerce, with portfolio or samples of previous WooCommerce websites. - Knowledge in making the platform user-friendly and efficient for sales. - Ability to meet deadlines and maintain con...

...more informative to customers. SEO improvement is also needed to increase online visibility and attract organic traffic. Key Tasks: - Improve website functionality by integrating blog and - Enhance on-page content to enrich user experience and increase conversion rates. Ideal skills and experience: - Extensive experience with Wix platform. - Proficiency in SEO. - Great understanding of e-commerce integrations, specifically for physical products. - Exceptional content enhancement skills....

...this migration is to enhance the SEO capabilities of the website. Key Features: - E-commerce Functionality: The new WordPress website should include robust e-commerce features, allowing for seamless product management and a smooth shopping experience for customers. - Blogging Capability: A key part of the website is its blog, which should be integrated into the new WordPress site to allow for easy content updates. - Inventory Management: I need the new WordPress website to offer an easy-to-use inventory management system, to efficiently handle stock levels and product updates. Product Migration: I'm looking to manually re-enter products from the Shopify store to the new WordPress website. The ideal freelancer would have experience in handling such migrations ...

Seeking an experienced WooCommerce specialist to add eBook products to our website. Responsibilities include uploading eBook files, creating product listings with detailed descriptions, setting pricing and inventory levels. The ideal candidate should have expertise in WordPress and WooCommerce, with a strong attention to detail and a commitment to delivering high-quality work.

...and service. Proven experience with integrating real-time chat systems is preferred. • I also need to integrate an e-commerce functionality to facilitate selling products. The e-commerce platform should be robust, secure and intuitive with features like product listings, shopping cart, secure payment gateways, and other e-commerce essentials. Prior experience in the successful development and launch of e-commerce websites is required. • An enticing, efficient, and user-centric website is my ultimate goal. I envision the site to be a unique blend of quality aesthetics and exceptional functionality. Freelancers with varied experiences in full-stack web development, UX/UI design, e-commerce development and online chat support integration are h...

...designer with experience in e-commerce to create my business website and web-store. This simple yet engaging platform should consist of an about us page and a dedicated online store for selling just two products with different size options. Key Features: * Showcase my business and sell products: The platform should serve a dual purpose of illuminating what my business stands for whilst also facilitating the sale of my products. * Specific design standards: I have a set vision for how I want the website to look and will provide clear guidelines to ensure the design meets my needs. * Product Page Requirements: This should not just be an ordinary web-store. Each product should be displayed with a distinct image and specific description. Ideal Candidate: * Expertise in e-c...

I'm in need of a skilled developer to create payment plugins for my own payment gateway GabbiPay (documentation: ) compatible with Woocommerce, Magento, and OpenCart. The plugins should have advanced functionality and ensure secure payment processing.

I'm looking for a skilled React Frontend Developer to create a user-friendly and responsive E-commerce site from scratch. The core functionality of the website will be e-commerce, so the ideal candidate will have experience in developing similar sites and the following skills: - Proficient in React and JavaScript - Experience with responsive design - Understanding of User Authentication - Expertise in integrating APIs The main features of the site will include: - E-commerce functionality, with emphasis on shopping cart and checkout process - User Authentication - Responsive design to ensure seamless experience across devices Your primary responsibility will be to bring our E-commerce platform to life through your exceptional React Frontend Development sk...

I'm in search of a professional sales specialist experienced in managing e-commerce platforms, specifically for physical products. The ideal candidate will: - Be knowledgeable in improving sales techniques and strategies. - Hold expertise in digital marketing and SEO strategies. Your main role will be identified in these two key responsibilities - enhancing our sales techniques as well as driving and implementing digital marketing and SEO strategies. Previous experience working with physical products on an e-commerce platform will be highly advantageous in optimizing conversion.