Backend upload products jobs

...saved and can be opened without re-entering the password - Autopost Facebook Marketplace Create Product Title, product description, Product Category, Product Condition, location and product price range, Product Availability, Product Label / Keywords can be separated by commas, SKU Only We Can See. After inputting, you can automatically select a location, especially for the Indonesian region. - Can upload autoposts to Facebook Marketplace using multiple browsers at once - Can Autopost Facebook Marketplace with Excel Import Format - Autopost Facebook Marketplace Duplicate Product Preventer - Autopost Facebook Marketplace Settings to Prevent Banned Accounts - Auto Post Facebook Marketplace Bulk Edit Facebook Marketplace that has been input - The input Facebook Marketplace Autopost R...

...I urgently require the expertise of an experienced WordPress ninja who can identify the issue and resolve it as soon as possible. I am unsure as to which part of the website is causing this issue, hence your technical expertise will be absolutely crucial. Ideally, you should have: - Experience in troubleshooting WordPress loading issues. - Extensive knowledge of WordPress plugins, themes, and backend. - The ability to work promptly to resolve issues. Notability, this project is needed ASAP due to the ongoing loss of website functioning. The successful candidate will ideally begin immediately upon acceptance. Please note that your approach to solving the issue and estimated completion time will contribute to my decision making. I look forward to seeing your proposals and getti...

I'm currently seeking a skilled freelanc...eCommerce, specifically with Amazon. We used to sell before, then stop back in 2022. Now, the plan is to start again. Key Responsibilities: - Transfer my existing product listings from another eCommerce platform to Amazon. My product line focuses on Clothing and Accessories (Ethnic Clothing & Accessories and Wedding Accessories) - I have high-quality professional photos of my products, so your job will be simply to upload these as required by Amazon. Ideal Skills: - Excellent proficiency in English language, both written and verbal. - Hands-on experience with Amazon seller platform. - Knowledge of SEO and understanding of algorithms for product search on Amazon would be highly advantageous. - Ability to work independently...

i need to change upload user image with user id from postgress db by using multer node js and also can be able to replace it work only by anydesk or teamveiwer with maximam 3 hours

...that will handle the matching of products with the specific types of cars. The types of cars are actually the combination of the following data: CarTypeId - Maker - Model - Year - RoofType Their relationship should be many-to-many, so we probably need a middle table that contains their combinations CarTypeId - ProductSKU The above is just a suggestion and additional columns or different implementations can be used. The plugin should implement the following: DATA Import: A way to import data from Excel file (example file attached). The import file might contain data for many SKUs and should overwrite the data of every specific SKU. As a result all the matching of Cars to SKUs is actually done in the Excel file. Products Filtering: Ability to filter the products tha...

I'm looking for an experienced cold caller who can efficiently make appointment setting calls on a global scale. The ideal candidate must have: - Proven track record in cold calling and appointment setting - Understanding and experience in dealing with international markets - Sound knowledge of the online products industry The main responsibilities include: - Identifying and targeting global potential leads - Making effective cold calls to these international prospects - Successfully setting appointments with these leads Skills and Experience required: * Cold calling experience * Excellent communication skills * Knowledge of the online product market. Your hard work will broaden our global presence and help us venture successfully into new markets.

I'm in need of a talented individual who can help to give our MEAN stack application a comprehensive update. The main areas that require attention are the frontend, backend, and database. Frontend: - The scope of the frontend updates includes adding new features and enhancing the application's performance. Prior experience in user interface redesign will be an added advantage. Backend: - The primary task on the backend is to handle the implementation of new APIs. This requires a solid understanding of backend systems, particularly within the MEAN stack. Database: - While the frontend and backend are important, the database is equally crucial. Any expertise in optimizing database queries is a valuable skill I'm looking for. The ideal fre...

I'm in immediate need of a Python Django developer. Even though the specific tasks were not outlined, experience in database management, user authentication, and API integration would be advantageous. Whether you have front-end development experience...Python Django developer. Even though the specific tasks were not outlined, experience in database management, user authentication, and API integration would be advantageous. Whether you have front-end development experience is not crucial, but it could be a plus. The purpose of the Django project has not been specified, but skills that cater to building a website, creating web applications, or backend development for an existing project could be beneficial. Please detail your previous experience, as it is the deciding facto...

worked based on templates setup and change color upload 500 product on language change logo and color based business All app will be buy client as per needed I will add multi language app after by from client this is first scope for noe second scop will discuss later and cost will be different that one

I'm in need of a skilled NodeJS developer who has already integrated the Telr payment gateway. Key Points: - I have an active Telr payment gateway account, and my main objective is to use it for processing online payments for servicesm with refund/cancelation. Ideal Skills and Experience: - Previous experience with Telr integration is a must. Having a working knowledge of their API and ...already integrated the Telr payment gateway. Key Points: - I have an active Telr payment gateway account, and my main objective is to use it for processing online payments for servicesm with refund/cancelation. Ideal Skills and Experience: - Previous experience with Telr integration is a must. Having a working knowledge of their API and the ability to seamlessly integrate it with my NodeJS ...

...extensive experience in PHP to develop a web application. The primary functionalities I'm looking for in this project are around the API and the ability to handle data updates. Key Requirements: - Expertise with PHP: The ideal candidate should have a strong background in PHP, with the capability to develop robust and efficient code. - Full Stack Proficiency: The project requires both frontend and backend development. Proficiency in both areas is crucial for the success of this project. - API Development: You should have experience in developing APIs, especially around data updates. This is a core part of the requirements. The project is focused on developing a web application and ensuring that the API is capable of handling data updates effectively. If you have a strong ...

I'm in need of a Shopify expert to help me with my store. I'm looking for someone who has extensive experience working with Shopify. The ideal freelancer should have knowledge of the platform's backend, its themes, and its payment gateways. Your application should focus on your past experiences working with Shopify and how they have equipped you to take on this project. If you've worked on stores with similar needs or complexities, please highlight these in your application. Please let me know your rate and availability for this project. A reasonable rate, a strong grasp of Shopify, and the ability to work efficiently are key for me. Looking forward to your applications.

I'm in need of a skilled web developer to construct an E-commerce website for my retail business. Key characteristics that the website must have are: - A shopping cart for customers to review their selected items before purchasing. - A product review feature that allows customers to share their thoughts and experiences about the product. - A robust stock management system to keep track of inventory and sales. The ideal freelancer for this project should have previous experience developing retail E-commerce websites. Experience with shopping carts, product review systems, and stock management system implementations is a must. Knowledge in SEO-friendly designs, mobile-first strategies, and secure payment systems are also crucial for this project. Your success in this project will b...

I'm in need of a skilled HTML - CSS - JQuery developer who can help me build a creative a content to add Describtion on the Images. We need for our Ticket system a to upload image and mark them and create Task for that. We will provide u the the HTML Page where u have to add ur work on it. Key responsibilities: - Designing a creative website that stands out - Ensuring the website is fully responsive for mobile devices - Implementing animations and transitions to enhance user experience Ideal skills and experience: - Strong HTML, CSS, and JQuery skills - Experience in creative website design - Proficiency in creating responsive layouts If you have the required skills and can help me build a creative, responsive website, I'd love to hear from you.

I'm looking for a diligent professional who can implement an Internet price research mechanism for the electronic products listed within a .csv file. The deliverable I expect from this project is a separate report containing the price of each product, along with additional details such as a link to the retailer's page and the price history. Key Responsibilities: - Extracting and updating the price information of electronic products from the Internet, based on the .csv file provided. - Incorporating a detailed report that includes the prices, a link to the retailer's page, and the price history of each product. Skills and Experience: - Proficiency in data extraction, research, and analysis. - Experience with web scraping tools. - Strong organizational skills t...

I'm seeking a talented developer to create an application where users can upload video reels. I need an artificial intelligence feature integrated into the app that can analyze these reels. Moreover, the AI should also be capable of scanning texts that users input and turn them into a document. The app needs to be monolingual and doesn't require support for multiple languages. The app will let users upload revision notes with a point system and have a dashboard of how long they've spent doing it. I want to eventually make it into an app which teachers, parents and students can use to check their childs activity and help others. i want a spot for brands to post student discounts and eventually earn commision off it the app sould also have a pro subscripion which...

I am seeking a proficient Flutter developer to create an application for both iOS and Android platforms, with integral backend development using PHP/MySQL. Key Responsibilities: * Develop a Flutter app for both Android and iOS platforms. * Backend development of the app using PHP/MySQL. * Creation of Data fetching APIs for seamless user-experience. Ideal Skills: * Proficient in Flutter * Extensive experience with PHP/MySQL backend development * Skilled and knowledgeable in creating Data fetching APIs If you have proven experience in similar projects, I am willing to discuss the details further. Your understanding and expertise in Flutter development and API creation is paramount for this project.

I'm looking for a talented mobile app developer to create a comprehensive family tree mobile application. The app should be available on both iOS and Android platforms. The primary goal of the app is to enhance family communication and organization, so it will feature several key functionalities, including: - User registration and login - Family tree visualization - Photo upload and tagging - Entering details for individuals by Admin or other users with approval from Admin - Family News - Family Calendar - Admin Notifications and user notifications - Family Board data with accomplishments The app should have an intuitive and user-friendly interface, making it easy for all family members to interact with. Experience in developing similar applications, particularly those focu...

I'm seeking a highly skilled flutter developer possessing in-depth experience with Laravel to contribute their expertise to my social media application. Here are the key features expected: - Main UI is completed with flutter. - Laravel backend is almost 70%. - to be implemented: integrate the API into the current UI. social login(FB, twitter, tiktok, apple) inapp and banner ad audio combine with BGM. support the deploy on google play and app store HOW to apply. - please send me the FLUTTER APP URL on google play and app store and code screenshot of that App. (the proposal without the screenshot will be declined) - send me the laravel system URL and screenshot.

I'm in need of an experienced backend developer to create a mail parser with the following specifications: - **Email Protocol:** The mail parser should support SMTP, so proficiency in this area is a must. - **Primary Goal:** The primary function of this mail parser should be storing emails in a MySQL database. If you have experience with database integration, this would be a big plus. This project requires expertise in backend development, specifically with an understanding of how SMTP works. You should also be familiar with MySQL and have experience in integrating databases into applications. Please provide examples of similar projects you've worked on in your proposal. Thank you.

I'm looking for a talented Node.js/Express developer to help me with the backend of my website. The frontend is already set up, and now I need a skilled individual to take care of the backend, particularly for the contact page API. This is an exciting opportunity to showcase your skills and work on a project that's primed for success. Key Requirements: - Develop a secure and efficient contact form submission system. - Implement an intuitive email notification system for incoming messages. - Ensure the backend integrates seamlessly with the already established frontend. Ideal Candidate: - Proficient in Node.js and Express with a solid portfolio of past work to support your skills. - Experienced in developing contact forms and email notification systems. - St...

I'm looking for a skilled developer to help me create a new E-commerce website with 10 products. The chosen platform should be WordPress, and the site should utilize WooCommerce, Yoast SEO, and WPForms. Key requirements include: - Developing a professional and user-friendly E-commerce website - Customizing the Avada theme to align with the brand - Integrating WooCommerce for product listings and sales - Implementing Yoast SEO to optimize the site for search engines - Setting up WPForms for forms and lead capturing. The ideal candidate should have: - Proven experience in E-commerce website development on WordPress - Strong understanding of WooCommerce, Yoast SEO, and WPForms - Familiarity with the Avada theme is a plus - Ability to create a responsive and visually appealing w...

I'm in need of a talented PHP Nextjs developer for a project involving a range of tasks including Backend development, Frontend development, and API integration. If you're well versed in PHP and JavaScript, and have extensive experience working with , this could be the ideal project for you. Key Tasks: - Backend development: I require a skilled developer to build and maintain the server-side of the web application. - Frontend development: I need assistance with the development and maintenance of the client-side of the application. - API integration: Experience integrating various APIs is a must for this project. Specific Features: - User Authentication: You'll be responsible for implementing a secure and user-friendly authentication system. - Database Integra...

I need a skilled freelancer to help develop a comprehensive and engaging social media platform. Key Features: - User profiles with profile picture, bio, customizable cover photos, and activity feed. - A news feed to keep users up-to-date. - Messaging system to facilitate communication among users. - Capability for users to upload videos, photos, reels, shorts, and text posts. - Additional features include allowing users to ask questions, create polls, make posts similar to tweets, and go live. -Runs Ads, promotions, collaborations, Campaigns with paid boosting, etc - Web portal, Native Android and IOS apps - user authentication and security measures to safeguard user data Ideal Skills & Experience: - Proficiency in app development, preferably with social networking apps. - ...

I am in need of a mid-level Java developer who can take on tasks in both backend and frontend development, along with database integration. Ideal Skills and Experience: - Strong background in Java - Proven experience in both backend and frontend development - Track record in effective database integration - Mid-level experience required Project Methodology: - The selected developer must be well acquainted with the Agile development methodology. Proficiency in Scrum management or Waterfall approaches is a plus, but the main focus is Agile. This project promises to be exciting and offers comprehensive exposure to diverse aspects of Java development. If your experience aligns with the requirements, and you're well-versed with Agile, I would love to consider you for th...

I'm looking to hire a freelancer with expertise in eKYC platforms, specifically CTOS, Innov8tif, and Onfido. This project primarily concerns integrating ID authentication features for a POC. The ideal candidate will have: - Prior experience in work...This project primarily concerns integrating ID authentication features for a POC. The ideal candidate will have: - Prior experience in working with CTOS, Innov8tif, Onfido, or similar eKYC platforms - A portfolio demonstrating the integration of ID authentication features - An understanding of security protocols related to ID verification Candidates with project experience in both frontend and backend environments would be preferred. It's crucial to ensure a seamless user experience. If you meet these criteria, I would lo...

I need an assistant to help me with checking for formatting errors in my text files. I tend to be meticulous about how my text appears and am looking for someone who can match my attention to detail. Here's how the workflow will go: - I'll provide you with a link to upload the text files that need checking. - You'll carefully go through each document, specifically focusing on finding and correcting any formatting errors, ensuring that they are consistent and adhere to my standards. Once you've completed the review, I would like you to: - Compile a separate report of the errors you have found. This will help me quickly implement corrections. Ideal Skills: - Excellent attention to detail - Proficiency in understanding and correcting formatting errors - Good comm...

I'm in urgent need of a PHP developer to create and implement APIs. The API will be utilized by a frontend that's already been designed. Key Project Details: - I'm looking for APIs to cater to User authentication, Data retrieval, Data manipulation and allow for file uploads. - The project has an 'ASAP' deadline, so I'm seeking a developer who can s...retrieval, Data manipulation and allow for file uploads. - The project has an 'ASAP' deadline, so I'm seeking a developer who can start immediately and work quickly without compromising quality. Ideal Candidate: - Proficient in PHP and experienced in API development - Skilled in creating secure and efficient user authentication systems - Capable of executing data retrieval, manipulation, and file...

I need a Shopify website built for my physical products, similar to the layout and features of gymshark.com. Key Requirements: - Website should be designed with a focus on product categories and filtering options. - The design should be modern and visually appealing, with easy navigation and clear product presentation. Ideal Skills and Experience: - Proven experience in Shopify website development. - Familiarity with e-commerce best practices and trends. - Strong design skills, with the ability to create a visually appealing and user-friendly website. - Experience in implementing product categories and filtering options would be a plus.

Seeking a skilled programmer adept in WordPress for custom coding work and form layout adjustments. Requires proficiency in backend management, specifically relating to data capture, viewing, and exporting in Excel format. A highlight of the project entails the customization of our existing WordPress theme and the integration of new, unspecified features. Lack of detailed request emphasizes the need for a freelancer capable of intuitive problem solving. Primary tasks include: - WordPress custom coding - PDF form adjustments - Data capture and export to Excel Ideal candidate should have knowledge and experience in custom coding, WordPress navigation, and form data handling. Exceptional problem-solving skills are highly appreciated. Undefined project elements call for a creative and...

I urgently need a skilled Node.js developer to focus on backend development. The primary task is to integrate a payment gateway. We followed the instructions provided and implemented the following code using server-side Node.js. We utilized ngrok to enable HTTPS connections. We have successfully initiated a transaction using this code in the uploaded file. However, we encountered an issue retrieving the transaction, which should have been provided but is not available. We were advised to handle callbacks and decrypt the response, but we're facing difficulties in doing so. Handling callbacks and post-success payment URLs did not resolve the issue. We now need

Looking for professional label designer for own cold pressed oils products. The designer should have view of cold pressed oils so that he can make better design to meet business demand.

I am a php developer building api project on python , I need someone to assist me on project

Hello, 80% of the apis are ready , rest 20% are to be done. Total 6 to 8 apis are to be constructed. This is the documentation and completed apis: More details: What specific tasks would you like the Node developer to perform? Backend development What information should successful freelancers include in their application? Experience Are there any specific programming languages or frameworks that the Node developer should be experienced in? JavaScript

...base reservation as we always work at night, today as ours is starting from 5pm until 4am next morning 2. duration (how many hours) and number of people per reservation when request reservation 3. able to post only limited rooms to online (we will make availability with only 3 salas out of 7 salas on online) 4. back end, admin has no limit to post reservation even out of open hours 5. Admin (Backend) able to move reservation hour or reduced / extend duration 6. clients can't change reservation after confirmed or can't cancel 7. reservation status showing either by color or text (sala unassigned/arrived/left) 8. able to work with stripe (payment method : card / bank transfer) prepayment (%) when making reservation, and the rest payment when they arrived. before p...

I'm looking for an expert developer to build an e-commerce website targeted at selling digital products. Key elements of your role will include: • Website Development: Designing and setting up an e-commerce site using modern UX/UI principles for easy navigation and accessibility. • Payment Gateway Integration: Incorporating PayPal as an integral part of our site to process transactions smoothly. • Products Display: Designing an engaging display for our digital products to promote sales. Ideal candidates should have: • Extensive experience with creating e-commerce websites. • Proven experience integrating PayPal into a website. • Experience in digital product display and management. Your success will be gauged by the seamless int...

Hello We need to create the simple web application integrated chatgpt api There are 3 screens only (login/signup, choose model, result pages) We will provide the figma design. Frontend: react Backend: node & python Database: postgre db it will be complete in 2 days, We will hire only freelancers, not agency. If you are good fit for this task, please bid with 'not agency' word. Thanks

...Korea etc. The primary products to sell are UAVs, bearings, and titanate material (e.g. brake). The ideal candidate will have: - Experience selling to the automotive and industrial manufacturing sectors - Know related product importation process, import duty, custom clearance, local transportation - Homologation if any - A strong network and knowledge of these regions - Familiarity with the specific products, their applications, and market demands Your role will involve selling these items to your local customers, establishing a steady sales channel for my products in these regions. Let's collaborate and create a mutually beneficial partnership. I also have sponge product with a super nice price. Or you have some exsiting channel, I could provide your local ...

...general: entertaining and highly engaging. I am looking for a person that can be my full time editor for the next 6-12 months with the possibility of consistent pay-raises when the agency experiences growth. You will be paid 8USD for every video-edit. Paid on a per video basis (not hourly) The process is super streamlined! All videos are tailored by me -> You get the raw footage, edit it and upload the edited videos in a separate folder. I expect a simple thumbnail that fits the ratio 1:1 on Instagram feed. All videos should be edited in 9/16 format for fullscreen experiences on Instagram Reels + TikTok. Please reach out to me here on Freelancer and tell me a bit about yourself, your current situation and show me previous work. ***Important*** I expect a sample to qu...

I am seeking a uniquely skilled developer to create a dynamic logistics application. The primary function of this app is to manage service logistics, enabling efficient assignment of tasks to technical teams. As the demands on the system will be varied, the selected expert should ideally have a strong command of angular 17 for frontend development, and Postgres for backend purposes. Core functionalities: - Service Creation: The app should enable the initiation of services. - Automated Service Assignment: The app should come with an in-built mechanism to assign services to the technical team based on their current availability. - Urgency-based Ranking: Prioritize assignment of services according to urgency, working on a first-come-first-serve basis. Preferred Skills and Experie...

i need to upload user image with user id (name) by using multer node js and also can be able to replace it work by anydesk or teamveiwer

...looking for a skilled Facebook marketer to help promote my digital products to professionals and businesses. Key Tasks: - **Increasing Brand Awareness**: The primary goal of this campaign is to increase the visibility of my digital products in this particular market segment. I need someone who can effectively communicate the unique value propositions and features of my products to this audience. - **Generating Leads**: In addition to spreading awareness, I want to turn this visibility into tangible leads. The ideal candidate should be able to implement strategies to convert engagement with our brand into potential customers. - **Driving Sales**: Ultimately, the end goal of this campaign is to drive sales for my digital products. Experience in crafting com...

hello I'm looking to set up a team that would help me start my company so the deal is that I want to start a movie streaming company that lets users stream and download movies and TV shows from their phones and laptops/computers and TVs. So I have alread...get funding to continue with the work in two months so the problem is I don't have the money to pay you right now but once we get funded I will pay you very well so i need 2 developers {able to make Android and ios apps} 5marketing people 2 people to handle sales 2 customer service 10 people with high internet to download and upload movies and since you would have helped found this company 50% will be equally distributed among you. below is my pitch de...

I am seeking a tale...management tools, search functionalities, and transaction processes. Honed skills in design, UX and ecommerce are essential for the success of this project. The site could have 17,000 members who would need to have profiles on the site, there would have to be membership levels, the site would sell merchandice and on-line coureses also charge for consultation on a timed basis. there would have to be upload and download capability for documents and images. it would be good if we could post to the social media account from the site. there would have to be a messaging system throughout the site (google workspace). Also a CRM as many messages to the site will be inbound leads. There can be other suggestions for development. scalablity, desktop, phone and tablet ...

I'm in need of a freelancer who can create a 1-3 minute video review of our product. I'm looking for someone fluent in English to ensure all aspects of the video are clear and straightforward. The focus of the video should be on: - Benefits and advantages of the product As for the style of the video: - how it helped you Specific requirements for the video include: - Emphasizing certain po...should be on: - Benefits and advantages of the product As for the style of the video: - how it helped you Specific requirements for the video include: - Emphasizing certain points in the script visually Ideal Skills for the Job: -- basic: fluent in English As a demo for our consideration, Please take a 15-30 second video introducing yourself. You can share it with us using a URL or d...

Project Budget: $100 Project Deadline: 1-2 Days Project Type: Custom WordPress Plugin Project Difficulty: Standard PHP Version: 8.2 and above Project Overview: Custom WordPress plugin required to allow a user to: - Upload a CSV with bulk new POST data - Select a post category, schedule start date, choose how many posts to PUBLISH each a day - Import post data and create all new posts as DRAFTS, to go live on the specified post schedule & keep a suitable log that can be checked - Insert the new POST IDs back into the original CSV file & automatically download the update CSV for a user 5* FEEDBACK WILL BE LEFT FOR YOU

I have previously worked code in and stored but it stopped working because readyPromise doesn't work and in that case, it can't load sequently and crashes. New Java stuff?? It doesn't recognize readyPromise with var/c...doesn't recognize readyPromise with var/const only works as await. Async has problems too. Even without Crashing tilesets seem not to load both from ION and Private/Public Domain. Need to solve this ASAP. You need to download files and work within your Domain or IDE or any other way to work directly with CESIUM LIBRARY!!!!! Or I will give you my Domain FTP access to the project folder and you can Upload .js .html files and see RESULTS in this directory as it will load html and js: YOU HAVE TO WORK WITH CESIUM LIBRARY!!

i have a form created with HTML and PHP. user has to fill in information and when press submit, it should insert infos in database. But sometimes it doesn't it just clear or keep loading. maybe connection is not good everytime. So i need someone to adjust it to upload data in realtime. as soon as user finished typing in 1 field, it should store data. when uploading, it should show loading icon near input field. if succeed, green vink icon. if not, red cross icon. when user finish, user can click submit button which will echo all data stored in mysql database on same page in lightbox. image attached. Budget is $35. if you want more, please do NOT bid. budget is $35

Bids: Plea...animations. I prefer to use Tailwind CSS for this project. I need the project completed within 1-2 weeks, so the ideal candidate will have experience working with tight deadlines and be able to deliver quality work within a short timeframe. Tech: Front-end Framework: React.js/Angular with + Typescript Styling: Tailwind CSS Requirements: - Must be ready to be able to be integrated with a backend and have all components and APIs required - Must be responsive (work across mobile/desktop/laptop/tablet screens) - Must not have any spacing/alignment/responsive/font issues or mistakes - Must match design provided - Must use an admin panel theme such as minimals or better - Must have all required animations - Must show progress throughout - Must be tested and look g...

...Arabic, with the ability to adapt to the user's device language (optional). Data Usage Alerts: Implement notifications or alerts to warn users when they approach their data limits. Push Notifications: Enable sending push notifications to the entire user base. Backend Integration with Klaviyo: The backend system should connect with Klaviyo for email marketing capabilities. Backend Management: User data, including registration details, data plan selections, and marketing consent, must be securely stored and managed on a robust backend system. Scalability and Performance: Develop measures for user data management and system performance optimization, especially considering a large number of data plan offerings and user transactions. Skills and Experience: ...