Freelancer ios developer in mumbai jobs

I need an experienced data entry freelancer who can assist with a high priority task. The project involves inputting data into an Excel spreadsheet and carrying out online data entry tasks. The ideal candidate will be proactive, detail-oriented, and able to work efficiently with minimal supervision.

I need a developer who send me the php code to contruct a php proyy to embed a m3u8 file with CORS restriction. I can provide you some url examples with m3u8 file which initially you can't embed in other domains, but i've seen that some website with some php code avoid this restriction. Send "I HAVE READ IT" in you bid. I only will pay if you send me the code and it works fine. Note: I need the code in php

...repository. The source code can be used for the app customization with a hired developer. If you want us to build the standard mobile app for you, please follow these steps: 1. Please install the Mobile application add-on in your admin panel. Add-ons are installed in the Add-ons > Downloaded add-ons section. The access to the admin panel should have been provided by the hosting team. 2. Go to the Mobile application add-on settings page. Specify and save all the add-on settings. Make sure that you are not using images with transparent backgrounds or alpha channels for icon, splash, and feature graphic image. App with such images will not pass the moderation in markets. 3. Click on the Download config button in add-on settings and get an archive c...

...seasoned developer who has experience with mental health applications, particularly ones that provide self-help resources. The app will be designed for both iOS and Android platforms and will include a range of features that support mental wellness. Key Features: - Mindfulness exercises: The app should offer a library of mindfulness exercises and techniques to help users manage stress and anxiety. - Mood tracking: Users should be able to log their emotions and moods, enabling them to track patterns and identify triggers. - Guided meditation: The application should provide guided meditation sessions to promote relaxation and mental clarity. - Support group: An essential feature will be a support group forum where users can share experiences, provide advice, and interact wi...

I'm looking for a skilled developer to design and build an AI-integrated Learning Management System (LMS) that focuses on automated content delivery. The aim is to enhance the user experience and streamline the learning process. Key Features Needed: - Adaptive Learning Paths: The LMS should be able to assess the user's strengths and weaknesses and recommend a customized learning path. - Skills Assessment: Users should be able to conduct self-assessment tests to gauge their learning progress and understanding. The content that will be included in the LMS comprises text-based courses, video lectures, and interactive quizzes. The system should be able to manage and deliver these content types effectively. This project requires a developer with a strong backg...

I have this proyect and I am looking for a developer that has time available to work on the proyect. It is a long term proyect. I need someone with experience in PHP, Laravel, HTML I need to create a copy of a product page. Here is the info needed on the page;

...skilled Java developer with experience in Android app development. The app I'm envisioning is an e-commerce platform. Key Features: - User registration & Login: The app should have a simple and secure user registration & Login process, allowing users to set up accounts and make purchases using pament service. - Push notifications: It should offer push notification functionality to alert users of any updates, promotions or important information. - In-app purchases: The app should allow for in-app purchases, making it easy and convenient for users to buy products. Ideal Candidate: - Proficient in Java and hands-on experience in Android app development. - Prior experience in creating e-commerce platforms is a big plus. - Fami...

We are looking for a skilled front-end developer to join our team and help bring our exciting web project to life. As a front-end developer, you will play a crucial role in designing and implementing the user interface and user experience for our website. Key responsibilities include: 1. Translating design mockups and wireframes into high-quality code. 2. Building responsive and interactive user interfaces that engage and delight users. 3. Collaborating with back-end developers and designers to ensure seamless integration of front-end and back-end components. 4. Optimizing website performance and ensuring cross-browser compatibility. 5. Implementing best practices for accessibility and usability. 6. Testing and debugging code to identify and fix issues promptly. 7. St...

We're seeking an experienced developer company to help upgrade a state-of-the art startup MEMBERSHIP PLATFORM; website, iOS & Android apps, and admin panel. **OVERVIEW** The framework is built in versions that are several years old. For example Node JS 7.10.0 and MySQL 5.7.0. Everything needs to be updated to highest stable version that offers support and packages. For Node.Js that will likely be version 18 or 20 Moreover, this project offers an excellent opportunity for more development. **QUOTE: UPGRADE** -Please provide a quote for upgrade of website, iOS & Android apps, and admin panel. -The Framework described below. -Specify team size and roles. -Time frame for completion. **PLATFORM FRAMEWORK & DETAILS** Framework: React, ...

I am in need of a skilled developer to create a group chat application that can be used on both Android and iOS platforms. The primary feature that is required for the app is text messaging. All users must be authenticated using phone number OTP. This project will require the following skills and experience: - Extensive experience with Flutter and mobile app development - Knowledge of implementing and customizing chat features - Proficiency in creating secure authentication systems, specifically phone number OTP - Past experience in developing cross-platform applications Ideal candidates will also have excellent communication skills, be able to work independently, and provide regular updates on progress. The successful candidate will not only be able to...

I'm currently looking for a skilled senior developer for a long-term commitment. The developer will primarily focus on Mobile App Development but should have a solid foundation in both mobile and web development. Key Responsibilities: - Mobile App Development (Primary) - Web Development (Secondary) Required Skills: - Proficiency in Kotlin and Swift for mobile app development - Fundamental understanding of Node and ReactJs for web development Professional Expertise: - You should have expert-level knowledge and experience in Kotlin and Swift. - It's a plus if you have a solid understanding of Node and ReactJs. Additional Requirements: - You need to sign a Non-Disclosure Agreement (NDA) and Intellectual Property (IP) agreement. - Excellent com...

As I am wrapping up my mobile game, I'm in need of a skilled developer who can help me integrate CloudKit into my Unreal Engine 5 project. This is crucial for storing and managing user profiles, in-game transactions and stats. Key Requirements: - Proficiency in Unreal Engine 5: As the core of my project relies on this version, it's vital that you have experience with it. - Expertise in CloudKit: Strong understanding of Apple's CloudKit platform, including its setup and integration with iOS apps. - Mobile Game Development: Experience in mobile game development and a strong understanding of in-game data management. - Time Sensitivity: While there's no immediate deadline, I aim to complete this integration in...

...Golang & Blockchain Developer to join our innovative team. The ideal candidate will have a robust background in software development with more than 7 years of experience, a strong command over various programming languages, and excellent communication skills. Responsibilities: Develop, test, and deploy smart contracts and blockchain-based applications. Design and implement scalable and maintainable microservices architecture. Collaborate with cross-functional teams to deliver high-quality software solutions. Optimize backend processes using Golang for enhanced system performance. Ensure the integration of frontend and backend systems for seamless user experiences. Containerize and orchestrate microservices using Docker and Kubernetes. Skills: Blockchain Proficiency: E...

I'm in need of an HTML JS developer to refresh the front-end of my existing website. My web site uses pages that have components generated in JS. Many of the properties are created / set in javascript are difficult to support and change. I would like the properties moved to a CSS file where they can be set more easily. I need a developer who works hard and long hours like myself. Obviously excellent HTML/CSS/Javascript are essential for the right developer. May lead to more work doing exciting new development . .

I'm seeking a proficient developer to build a comprehensive social networking application that caters to users on iOS, Android, and a Web-based platform. The developer must proficiently embed features such as: - User Profiles - Direct Messaging - News Feed Ideal expertise for this project includes proficiency in iOS, Android, and Web-based application development, with careful attention to UI/UX design, data management, and network security. As this is a social networking app, strong experience in creating interactive and user-friendly interfaces is crucial. Previous work on a similar application would be a significant advantage.

I am seeking a skilled PHP developer to assist with my project. Core tasks revolve around using CodeIgniter to develop an efficient User management system and a Custom API. Key Skills: - Proficient in PHP - Proven experience with CodeIgniter framework - Excellent in API development Other Responsibilities: - It's a requirement to integrate this project with external systems or APIs. Therefore, a successful candidate should be competent in API integration. Please, only apply if you possess the relevant skills and experiences.

I have a iOS application with a few bugs that needs fixing and adding the function of inviting phone contacts to our app. iOS applicaiton built in: - Objective C - Native App and UIKit I will share the speciication document when we speak in freelancer chat.

I'm seeking an experienced developer to create a web-based BTC wallet. The main functionality the wallet should have includes sending, receiving, and storing BTC securely. In special, this wallet should include a simple interface indexer for inscribing text and files on the BTC blockchain. Though I don't have any specific security features in mind yet, I expect the designer to adhere to the best practices to ensure the highest level of security. Finally, though I'm unsure currently whether this wallet will be integrated with any other platforms or services, I may need flexibility in this regard in future. Skill-wise, the ideal candidate should be proficient in: - Developing secure, web-based applications - Understanding of BTC cry...

I am seeking a skilled Magento developer to help address two critical issues on my Magento 2 website. Key Responsibilities: - Fixing the Razorpay payment gateway extension: The gateway is currently malfunctioning and not processing transactions correctly. The successful freelancer will need to troubleshoot and resolve these issues promptly. - Repairing the order confirmation mail system: The order confirmation emails are not being sent out to customers. This issue needs to be investigated and fixed to ensure customers receive timely updates on their purchases. Please note: - I am unsure if any recent changes or updates to the website have caused these issues. - Previous experience working with Magento 2 is essential. - A strong understanding of payment gateways, particularl...

I'm in need of a skilled freelancer to assist with some data entry work. While the specifics of the work have not been defined yet, it will likely involve entering data into a database, transcribing written documents into digital format, and/or filling out online forms. The task can involve different formats such as Excel spreadsheets, Word documents, or online platforms.

I'm in need of a skilled freelancer to assist with some data entry work. While the specifics of the work have not been defined yet, it will likely involve entering data into a database, transcribing written documents into digital format, and/or filling out online forms. The task can involve different formats such as Excel spreadsheets, Word documents, or online platforms. This job not for India Bangladesh Pakistan and Malaysia

...have a series of brief game videos that I'd like to merge into a single dynamic and engaging advertisement for my Game. The individual videos are all under a minute in length and I'm looking for a fast-paced, energetic style of editing. I have created this video: I rate it 4/10. I expect yours to be at least 8/10. Deliverables: - Primary Video of 30 seconds in Portrait and Landscape - Secondary Video of 15 seconds in Portrait Resources: 1. Videos are attached. If you do not find them interesting, I can attach more 2. Game Name: "Patterns Puzzle Game" 3. Game Platform: "Android, IOS" 4. Keywords: Relaxing, Interesting, Puzzle, Patterns, Tough 5. Ping me for more details. Key Requirements: - Combine multiple, short videos i...

Full Stack .NET Core Developer Needed to develop our whats app api platform A basic requirement is that he has previously worked on the WhatsApp API platform. I can review it before starting work

I'm seeking an adept professional to develop a cross-platform app for real estate. Available on iOS, Android, and Web, the app's functionalities must include: - Property Search: An intuitive, user-friendly interface for users to search properties. - Filter options: Users can filter search results based on different criteria. - Saved favorites: Users can bookmark their preferred properties for future reference. The app should also facilitate user interaction with features allowing: - User registration/login: Smooth user registration and login process. - Agent registration/login: Smooth Agent registration and login process. - Property listing details: Detailed information showcased for each property listing on Map. - Contact agent/owner: Messaging feature to facilitate c...

We are in need of a highly skilled Laravel expert team to continue development on existing web application! The specific Task - Requirements Document will be provided. Selected team will be having opportunity to work for long term! Skills and Experience: - Extensive experience in Laravel development - Proficiency in Laravel customization and optimization - Strong understanding of Gitlab - version control !* - Excellent problem-solving skills and attention to detail - Database Design & Management: The ability to design and manage a highly organized, efficient database is crucial. Skills that would be beneficial: - Thorough Laravel expertise - Understanding of Git version control - Proven track record in creating database structures ask for task document!

I'm looking for a Python developer to assist with a variety of tasks on a medium-scale project. This would include web development, data analysis, automation scripting, and web scraping. Your responsibilities would cover: - Web Development: Creating and maintaining web applications using Python frameworks. - Data Analysis: Handling and analyzing data to derive insights. - Automation Scripting: Developing scripts to automate manual tasks. - Web Scraping: Extracting and structuring data from websites. Communication is key, and I'd prefer to receive regular updates and progress reports via email. The ideal candidate for this position will have experience with each of these tasks and be able to work on a medium-sized project.

...project with little help from me. We're looking for a full-time programmer who is hard working, honest, and enjoys learning. Are you the kind of person where your yes means yes and your no means no? Do you have several years of programming experience with all things ReactJS? Place, "ReactJS developer" on the top of your bid. This full-time position requires attention to detail - someone that understands spoken and written English, fluently. We have enough work for over a year. On the top, after "ReactJS developer", please tell me what was your most difficult ReactJS project you completed and why. Also, how many years of ReactJS experience do you have? Read this job description carefully, as it serves as an indicator to me if you pay attention to...

I need New freelancer who can create an advanced Productivity app. like Regain screen time + Focus only for Android. The app should have the following features: - All apps Usage - App Reminders: for Example: When the user selects any app for reminder. Let's YouTube as an example. When the user opens Youtube on his phone, a pop- up will appear asking for how long you wants to use youtube. 5 minutes 10 minutes 20 minutes. If the user selects 5 minutes, then a pop-up will appear again if he uses it for 5 minutes. Just like the Regain app. - Separate screen for whatever permission is required. - Bottom Navigation with two button: 1. Home: Show the top app usages time, then selected app open like youtube open 3, Instagram open 5. 2. Apps : Shaw the app list for selecting a...

I'm looking for a skilled app developer to create a modern and minimalistic social media platform for Android and iOS. This app is to be built in phases. In the first phase, we could target a minimalist set of features: Please note that we are very crunched on budget so please do not expect this to be a high picketing ticket. App Initial Features: - User Registration: A smooth and secure registration process is crucial. - News Feed: The app should include a dynamic, intuitive news feed. - Messaging: A reliable and user-friendly messaging system is a must. - Video Feed: Ability to host and play videos within the app. Ideal Candidate: - Proven experience in developing Android and iOS apps. - Proficiency in creating and implementing us...

I am an MBA student in need of a dedicated and skilled freelancer to assist with the second part of my Scientific Research Methods assignment. I received a zero on the first part because the AI usage was detected at 82%. Therefore, it is crucial that this work is completed without the use of any AI tools to ensure originality and adherence to academic guidelines. Requirements: - Expertise in Scientific Research Methods and related MBA subjects - Strong academic writing skills - Ability to create original, high-quality content without AI assistance - Familiarity with academic standards and integrity - Willingness to communicate and discuss details privately Details: The project involves complex topics within Scientific Research Methods and requires a deep understand...

...Frontend Developer to help us enhance our existing project. The ideal candidate will have hands-on experience with Angular and will be responsible for improving the functionality and visual appeal of our website. The key responsibilities of this role include adding new features, ensuring the site's smooth performance, and enhancing its overall design. Key skills required for this position include: - Strong proficiency in Angular - Ability to write clean and maintainable code - Experience with front-end technologies such as HTML, CSS, and JavaScript - Familiarity with UI/UX design principles - Problem-solving and troubleshooting skills If you meet these requirements and are passionate about creating top-notch web experiences, we would love to hear from you! For next ...

...We are an established IT services provider with 13 years of experience and a team of 25 in-house developers. Currently, we are looking to hire some freelancers because we are at full capacity and do not have sufficient resources to handle some of our work. We are seeking a long-term partnership and are willing to provide 20-30 hours of work per week. We welcome both experienced freelancers and those new to this platform who have significant prior experience, such as working in a company before starting their freelance career. This job post is open to all qualified candidates. Now, let's discuss the job requirements, which are urgently needed: We require an expert Laravel Developer who is well-versed in third-party APIs. The candidate must have experie...

I'm in need of a skilled iOS developer with the ability to create sophisticated applications. While the specific features of the app remain undefined, I am aiming for an application that will cater to a wide audience, predominantly young adults and middle-aged adults. Key Requirements: - Proficient in iOS app development - Experienced in building complex applications Your primary goal will be to create a seamless, user-friendly experience that appeals to the target audience. The ideal candidate will be able to bring creativity to the table while ensuring that the final product is both functional and stable for the users.

I am in need of an experienced iOS developer who is skilled in using Xcode and Swift UI. Your main task will be to develop an iOS application that integrates autofill functionality. Key Requirements: - Expertise in Xcode and Swift UI is non-negotiable. - Experience in integrating autofill feature into the apps is required. - An understanding of user experience to assess how the app functions with the autofill feature. - There are no specific UI design guidelines, so I welcome your creative input to develop an intuitive, user-friendly layout that adapts to the autofill function. Please provide a portfolio or examples of your previous iOS development work, highlighting any projects where you integrated autofill functionality.

I am generating QR code for prefill Iphone sms content. Overally, It works well. But when there is ':' in the content, the message is cuted in the iphone content. For example, "Thank you Mike : Bye" => "Thank you Mike " "It is search link " => "It is search link https" I am looking for someone who can fix it immediately. You can test in the attached file. Only bid after you check the attached test file. and start bid with "QR code". Thank you

I am in need of an experienced UI/UX designer to help create an engaging and intuitive design for mobile application focused on health and meditation. Key Responsibilities: - Design a user-friendly interface for both iOS and Android platforms - Incorporate major features such as guided meditation tutorials, health tracking, and mindfulness reminders into the app design. Ideal skills for this project: - Proven experience in UI/UX design, particularly for mobile apps - Familiarity with health and meditation apps - Knowledge of iOS and Android design principles. This could be a great opportunity for someone who is passionate about promoting health, mindfulness, and meditation through intuitive design.

Looking for a reliable Laravel developer full time with knowledge of HTML based frontend based on Bootsrap CSS, and knowledge of Javascript JQuery is also must. Aim to enhance an existing PHP/Laravel code base to improve its functionality and remove bugs by testing the code. Estimated budget is small between 450$ to 650$ so please quote your bid carefully, it will be release through monthly payout from Freelancer. Based on performance the monthly amount would certainly be increased. The prospective candidate should be able to commit 6 hours per day Monday to Friday. Meeting software could be any of the MS Teams, Zoom, Google Meet, etc. Working time zone preferred is Europe GMT + 0 Key Responsibilities: - Understanding of SECURE PHP code development with proper code com...

We have a B2B WordPress website that fails ...that fails Core Web Vitals on mobile and desktop. The site was originally made by one developer, then worked on by another, resulting in many issues due to lack of communication. The website uses Elementor and a customized theme. We would like to work with an expert WordPress developer to improve the site's performance and get it into the green in Core Web Vitals. We also want to remove all unnecessary plugins (currently the site has almost 50 WordPress plugins). We are open to moving the site to a new server if required and rebuilding it to improve performance. Looking to work with an experienced WP developer and performance expert to solve this. Please get in touch if this is something you spec...

I'm lookin...skilled Solana Blockchain Developer to assist me with developing a dApp and smart contract. The project involves creating an NFT marketplace and integrating DeFi protocols. The scope of the project also includes integrating the Fork pump.fun. Your key deliverables will be: - Developing smart contracts for the NFT marketplace and DeFi protocols. - Creating the dApp, including UI/UX design and programming. - Integrating Fork as part of the Solana network. You will need to have a solid understanding of Rust and JavaScript/TypeScript, as well as experience in Solana network integration and dApp development. Previous work with NFT marketplaces and DeFi protocols is highly desirable. Please include examples of similar projects you've worked on in ...

I'm in need of an app developer who can create a straightforward, yet efficient application for both iOS and Android. Key Features: - User Portal: This will be the main entry point for users. It should be user-friendly and intuitive. - Document Import: Users should be able to import documents into the application. - Document Merging: The app should have the capability to merge documents. - Text Processing: The application should be able to process text. File Formats: - The app should support the following file formats for document import: PDF, Word (docx), and text files. The ideal candidate for this job should have: - Proficient in both iOS and Android app development. - Experience with document processing and merging. - Knowledge of file format...

...requirements for developing a mobile application compatible with Android and iOS using the Flutter framework. The application will include the following features: a loading screen, a login page with Facebook login, Google login, and email/password authentication, a WebView pointing to , and integration with Wonderpush for push notifications. 2. Project Objectives To develop a user-friendly and functional mobile application that allows users to log in through multiple authentication methods and access the website via an integrated WebView. The app should also be capable of sending push notifications. 3. Required Technologies Framework: Flutter Languages: Dart Compatibility: Android and iOS Push Notifications: Wonderpush 4. Feature Details 4.1. Loading Screen Desc...

I'm on the lookout for a senior NodeJS Typescript developer with a high level of skill and a good grasp of English. The role specifically involves backend development. Key requirements include: - Senior level experience in NodeJS and Typescript - API Development experience - Architectural Mindset - Fluent English - Prior work on backend development projects - Strong command of English, as our communication channel will be primarily through instant messaging - Must be European! - AWS Knowledge Plus If you match these requirements and are keen to work on an interesting backend project, I would love to hear from you.

I am searching for a professional UI/UX designer to create a sleek and modern interface for an E-commerce application that will be available on both iOS and Android. The selected candidate should have: - Experience in designing E-commerce platforms - A portfolio that demonstrates modern design styles - Proficiency in creating user-friendly and intuitive interfaces.

I have an iOS app ready to go and an active Apple Developer account. I've managed to set up the app's metadata and assets for the App Store. However, I need someone to assist me with the final step of actually publishing the app. Ideal skills and experience: - Experience with publishing iOS apps to the App Store - Knowledge of Xcode and the iOS development process - Proficiency in managing and navigating the Apple Developer account interface - Ability to troubleshoot and resolve any publishing issues that may arise - Excellent communication skills to guide me through the process and answer any questions I may have This project is quite straightforward as most of the work has already been done. I just need someone to take the reins and e...

I'm looking for an Android Developer with experience in debugging and fixing issues with fragments in Android apps. Specifically, I'm encountering a problem where one of my fragments is causing the app to crash. Key Project Details: - The problematic fragment is failing to display correctly, leading to an app crash. The fragment is crucial for data retrieval from a database. - The data being retrieved is user profiles, which may be where the issue lies. Your Responsibilities: - Identify and resolve the issue causing the crash. - Ensure the fragment correctly displays user profiles retrieved from the database. Ideal Candidate: - Proven experience in Android app development, especially with fragments and database interaction. - Strong debugging skills...

I am in need of skilled developers to build a cross-platform social networking app for both iOS and Android devices. The app main function will contribute to sparking discussions and interactions through cutting-edge features. Key Features: - User profiles to personalize the user experience. - Provisions for users to establish and manage 'Friend Connections' for continued interactions. - Messaging, ensuring both public and private interactions. - Peer-to-Peer Activity Recognition (PPAR) for enhancing user experience. - Live Streaming capabilities, vital for real time content sharing and interactions. - End-to-end (E2E) conversations, facilitating encrypted and private conversations. Ideal developers for this project would have experience in building apps ...

I'm in need of a skilled Full-Stack Developer with proficient knowledge in JavaScript, particularly in Node.js and react I want a complete bookstore website with basic crud operations with firebase and responsibilities include but are not limited to: - Building high-performing, scalable applications - Writing maintainable, testable, efficient code - Employing Firebase as the database for the project Experience & Skills: - Proven experience with JavaScript and Node.js - Knowledge and experience with Firebase - Understanding of non-relational databases - Ability to work independently and in team settings - Strong problem-solving skills

...ventilation systems. The ability to work across multiple platforms is essential as the application needs to be compatible with iOS and Android devices, as well as Windows computers. Primary Features: - Timer scheduling - Remote control of ventilation systems - Monitoring parameters including temperature, humidity, twilight, and weather - Real-time notifications and alerts - Scheduling system actions - Support for multiple users simultaneously Given the sensitive nature of the data and operations, the application must be secure. Your work will involve implementing advanced encryption to safeguard our communications and data. The ideal candidate for this project should be proficient in mobile and desktop application development, with a deep understanding of systems' ...

I'm in need of a skilled CodeIgniter developer to assist in fixing and potentially creating APIs. The project is expected to last around 3 hours. Key Responsibilities: - Evaluate and address issues with existing APIs in CodeIgniter - Develop new APIs as necessary Ideal Candidate: - Proven experience working with CodeIgniter - Skilled in API development and troubleshooting - Proficient in identifying and solving technical issues - Strong communication and collaboration skills Please note that the specific APIs to be worked on and the systems they will be integrating with are yet to be defined. Your expertise in both API development and CodeIgniter will be crucial. My Budget - 1000 INR , I will share list of API in chat. Must...

I am hiring for a Full Stack Web3 developer for my team. Tech Stack: Blockchain: Blast (EVM) Frontend: Typescript + NextJS + Tailwind + Vercel + WAGMI + Ethers V5 + Typechain Backend: Typescript + Vercel Lambda + tRPC + AWS + Prisma ORM + Ethers V5 + Typechain + Upstash Redis Database: MySQL (Planet Scale) + AWS S3 Storage Randomization: Gelato VRF Static File Hosting: AWS S3, Pinata Smart Contracts: Foundry, Hardhat Monorepo. Here you go: Objective: Design and implement a scalable backend and frontend system for tracking and displaying NFT transactions similar to the "Activity" feature on OpenSea The system should handle varying loads seamlessly, from 500 to 50,000 users. Tasks: System Architecture Design: Task: Design the overall architecture for the activity