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このmobile app designの費用:
そして4日かかりました
$600 USD
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最新 mobile app development プロジェクト
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Multiplayer Fortune Wheel Game Development
₹12,500 – 37,500 INR
投稿時間36分前
Wheel of Fortune – Multiplayer Paid Entry Game (APK + iOS WebView / App Ready) 1. Project Overview We want to build a Wheel of Fortune–style multiplayer quiz game with a clean iOS-inspired UI. The game will support paid entry, 4 players per game, and winner takes big prize or gifts. The final product must be: Android APK iOS-ready (HTML5 → WebView or Capacitor/Cordova) Multiplayer real-time Scalable for future features 2. Core Gameplay Features (Must Have) Wheel Spin System Animated spinning wheel (smooth, realistic physics) Wheel slots include: Points (100, 200, 500, etc.) Bonus Lose Turn Bankrupt Extra Spin Fully configurable wheel rewards (admin side) Word & Puzzle System Guess letters to complete a word or phrase Categories like: Movies Songs Places Brands General Knowledge Words loaded dynamically from JSON / database Support for: Vowels purchase (cost points) Consonant guessing Auto reveal on timeout Timer & Turn Logic Per-player timer for: Wheel spin Letter selection Turn-based gameplay: Wrong guess → turn passes to next player Auto skip if player is inactive 3. Multiplayer (4 Players – Mandatory) Multiplayer Rules Maximum 4 players per game Real-time gameplay using: WebSockets / Firebase / Socket.io Player status: Joined Ready Playing Disconnected (auto timeout handling) Game Modes Private Room (invite via code) Public Matchmaking Entry-based rooms only (no free play) 4. Paid Entry & Prize System (Very Important) Entry Fee Each player must pay an entry fee to join: Example: ₹50 / ₹100 / ₹500 Entry can be: Wallet balance UPI / Payment Gateway Coins / Tokens Prize Pool Total prize = sum of all player entries Distribution: Winner takes all OR Winner + runner-up split Prize types: Cash Wallet balance Gifts / vouchers Redeemable points Fair Play & Security Server-side game logic validation No client-side score manipulation Anti-cheat checks Encrypted API communication 5. UI / UX Design (iOS Neat & Clean) Design Style iOS-inspired minimal UI Light theme (optional dark mode) Rounded cards & buttons Smooth animations & transitions Soft shadows, no clutter Screens Required Splash / Loading screen Login / Register (OTP / Guest optional) Lobby (wallet balance + join room) Waiting room (4 players visible) Game screen: Wheel Puzzle board Player scores Turn indicator Result screen (winner animation) Wallet / Transaction history 6. Audio & Effects Wheel spin sound Letter correct / wrong sound Win / lose music Mute & volume controls 7. Admin Panel (Required) Admin must be able to: Add / edit categories & words Set entry fee amounts Configure wheel rewards Control prize distribution View matches & transaction logs Ban users / rooms if needed 8. Technology Stack (Preferred) Frontend HTML5 + CSS3 JavaScript (Phaser.js / CreateJS / custom engine) Backend Node.js / Firebase / Laravel WebSockets for multiplayer Secure payment APIs App Build Android APK (WebView / Capacitor / Cordova) iOS-ready build 9. Hosting & Demo Live demo hosted on: Replit (for prototype) VPS / Firebase (production) Separate staging & production environment 10. Future-Ready Features (Optional Phase-2) Leaderboards Tournaments Referral & bonus system Ads (non-paid rooms) Multi-language support 11. What Freelancer Must Deliver Full source code APK build Deployment guide Admin panel access Documentation Post-launch bug fixes
+6以上
固定価格
6 入札
Simple Wix Website for QR-Based Vehicle Contact System
₹600 – 1,500 INR
投稿時間54分前
One mobile-friendly landing page on Wix Page content: Title: Vehicle Contact QR Use cases: Emergency / Accident / Wrong Parking Button: “Contact Vehicle Owner” Button should open a Wix Form with fields: Reason (dropdown) Message Vehicle Number QR Code ID Form submission should: Save data in Wix database Send email notification to admin QR code should open page like: site.com/qr?id=123 (ID visible or captured) Requirements: Clean, simple design Fully working demo before payment Editable Wix access after completion No paid apps, no extra charges Payment Terms: Milestone based Full payment only after demo + testing
+5以上
8 入札
Develop a Multilingual Flutter Rental App
$750 – 1,500 USD
投稿時間1時間前
This is PHASE 2 of an already existing project. I need a full-stack Flutter application that runs smoothly on iOS, Android, and the web, allowing landlords in Cameroon (and ultimately all of Africa) to publish room listings while tenants browse, filter, and book viewings. Every booking fee will be held in an escrow wallet until the viewing is completed, so the payment flow has to be airtight and auditable. Core experience • Room listing with powerful search and filters • Secure booking tied to an escrow payment workflow • Rating and review system that lets both sides build trust Additional engagement features Push notifications must alert users to new listings, booking confirmations, and escrow releases. In-app messaging should let landlords and tenants coordinate details without leaving the platform. Because we plan to expand across Africa, a clean multilingual architecture is essential from day one. Architecture Frontend: Flutter with a single codebase targeting iOS, Android, and web. Backend: Node or Dart server (open to best practice) connected to MongoDB, all deployed on AWS. Please design the database to support Landlord, Tenant, and Admin roles, including permission sets for listing management, booking approvals, and dispute resolution. Deliverables 1. Source-controlled Flutter project with responsive UI for mobile and web 2. AWS-hosted backend with MongoDB schema, REST/GraphQL endpoints, and escrow logic integrated with a popular payment gateway serving Cameroon 3. Admin dashboard for user, listing, and transaction oversight 4. Documentation: setup, environment variables, deployment steps, and API reference 5. Test suite covering critical booking, escrow, and review flows Acceptance criteria • A tenant can sign up, search for a room, pay an escrow-protected fee, and see the payment released only after the landlord confirms the viewing. • Landlords can list and edit rooms, receive booking requests, and withdraw funds once released. • Admin can suspend users or listings and view all escrow transactions. • All push notifications and in-app messages reach the intended device/browser. • English and French translations load dynamically without extra builds. Let me know which payment gateway and escrow pattern you propose, along with your timeline for an MVP we can demo to early adopters.
134 入札
Development of an Integrated Reverse Auction Platform for Automotive Spare Parts (Django & Flutter)
$1,500 – 3,000 USD
投稿時間2時間前
We are seeking a professional developer or an expert technical team to develop an integrated platform that connects customers and merchants using a "Reverse Auction" system. This project focuses on professional UI/UX design and a robust, scalable backend infrastructure using Python Django. First: Order System & User Experience (UX): 1.Customer Experience: The customer requests a part by entering its name, with an "Add another part" feature to request multiple items simultaneously. A notes field is provided, and the customer has the optional ability to upload photos. 2.Vehicle Data: Selection of (Make, Model, Variant) from pre-defined options, with support for reading the Vehicle Identification Number (VIN) from a registration photo or manual entry to fetch data automatically via API. 3.Order Classification: Orders are separated by type (Original - Commercial - Salvage) to ensure auction accuracy. 4.Pickup Locations: Options for (Manual, Workshop) with mandatory National Address entry. 5.Smart Address System: Location determination via maps such as Google Maps. 6.It is preferred that customers register their vehicle data upon entering the application, so they can simply select it when ordering. If not added initially, they must add it before submitting the request. Second: Auction System & Smart Search: 1.Results for a single part: The top 5 quotes are displayed for comparison. 2.Results for multiple parts: The system only displays the "Lowest Price" for each part, with an option to show the "Lowest Price Outside the City." 3.Waiting Experience (Interactive): A counting-up timer showing the number of suppliers (e.g., +1000 suppliers) with messages explaining current search and negotiation stages. Administration has the authority to control the counter and the displayed text. 4.Notification System: If a customer sends a request, a notification is sent to merchants based on their specialty. If the duration ends or the administration decides to terminate the time, a notification is sent to the customer. 5.A WhatsApp icon with "Contact Sales" and a phone icon with "Call" must appear to the customer before and after the request. 6.Every request must have a unique ID for tracking in case of any issues. 7.Price Management: Auction duration is 30 minutes (customizable). 8.Administration can add a price quote under its own name (App Price). 9.Once a merchant submits a price, the authority to edit or delete it moves to the Admin only. The merchant will then have a WhatsApp icon "Contact Admin" and a "Call" icon. Third: Merchant & Admin Interfaces: 1.Filtering System: Orders reach merchants based on brand specialty (Toyota, Hyundai, etc.) and sales specialty (Original, Commercial, Salvage). 2.Merchant Registration: Requires location, commercial registration number, entity name, and contact number. All registrations require Admin approval. Merchants appear to customers under the pseudonym "Local Merchant." Admins can register merchants themselves. 3.Quoting Requirements: Merchants must enter (Part Number "Optional" + Amount). Photos are optional except for "Salvage" parts, where they are mandatory. 4.In all cases, the Administration can add quotes even if no specialized merchant is available. 5.Admin Control Panel: Features all essential tools, including the ability to track visitor counts for the landing page and the app. 6.Admin Lists & Filtering: Includes lists for "Active Searches" with filters (Original/Commercial, Toyota/Hyundai) for printing/sending to suppliers, "Ready for Shipping" (Paid/Unpaid), and "Delivered/Cancelled." 7.WhatsApp Bridge: A "Copy to WhatsApp" button next to each order that formats data (Make, Model, VIN, and Parts) into a structured text for one-click sharing with supplier groups. 8.Full Management: Comprehensive management of users, merchants, prices, and reports. 9.Attractive ad banners within the app. 10.Ability to add text at the top and bottom of pages (Main Menu, Order Page, Payment Page). 11.Building a landing page for the app with download links for iOS and Android. Fourth: Technical & Logistical Aspects: 1.Backend: Python Django (using Django REST Framework - DRF). 2.Applications: Flutter (iOS and Android). 3.Database: PostgreSQL (Preferred for its reliability and GIS support). 4.Architecture: The system must be built using a Modular Design to ensure high scalability and easy maintenance, separating components like (Payment, Shipping, Auction). 5.Catalog Integration (Preferred): Experience in integrating third-party automotive spare parts catalogs via APIs is a significant advantage. 6.Shipping: A smart shipping system (2-hour delivery for specific cities, standard shipping for others). Admin can modify durations, cities, and pricing. 7.Tax Integration: Full integration with ZATCA (Zakat, Tax and Customs Authority) Saudi Arabia - Phase 2, adhering to all requirements for Tax Invoices and QR Codes. Fifth: Design & Quality (UI/UX): 1.High-Fidelity Design: Modern and attractive interfaces requiring prior approval before implementation. 2.Animation: Professional animated Splash Screen (moving car) and the use of interactive icons (Lottie) to enhance user experience. 3.Language Support: The application and the control panel must fully support dual languages (Arabic and English), including RTL (Right-to-Left) support for the Arabic interface. 4.Delivery: Complete, clean, and documented source code, including uploading to and ensuring acceptance on the Apple App Store and Google Play Store. Sixth: Security & Data: 1.Compliance: Full compliance with the Personal Data Protection Law (PDPL) in Saudi Arabia and National Cybersecurity Authority (NCA) standards. 2.Encryption: Encryption of all sensitive data (customer info, addresses, payments) using advanced protocols (e.g., AES-256) and securing connections via SSL/TLS. 3.API Security: Securing endpoints against attacks (SQL Injection, XSS) and using Two-Factor Authentication (JWT). 4.Data Residency: Commitment to local data storage within Saudi Arabia as per regulatory requirements. 5.Penetration Testing: Delivery of a report proving the system is free of security vulnerabilities, with Audit Logs for all sensitive operations. 6.Technical Support: Commitment to technical support and bug fixes for a period to be agreed upon. 7.Ownership: All intellectual property rights belong to the project owner. 8.Important Note: Certain details regarding registration terms for merchants, customers, and representatives, as well as login messaging and other details, must be discussed and finalized with the developer before commencement. 9.(Note: Several example apps are available to help understand parts of the concept).
+4以上
98 入札
UK Part-time Recruitment | WiFi Field Data Collector
$2,000 – 6,000 HKD
UK Part-time Recruitment | WiFi Field Data Collector, Earn Extra Money Easily! Core Highlights • Transparent Salary: 3gbp per asset, more work more gain, no hidden deductions • Flexible Time: No office hours required, take orders and arrange your time freely in spare moments • Ultra-low Threshold: No professional experience needed, easy to master for beginners, with bilingual (Chinese & English) operation manual • UK-wide Coverage: No specific city restrictions, available anywhere in the UK Must-Meet Requirements (All Required) 1. Location Requirement: Must be located in the UK and able to complete on-site data collection tasks locally 2. Device Requirement: • Android smartphone (Android 6.0 or above; Android 9.0 is not recommended as it tends to freeze) • Minimum Memory Requirement: 8+8G (RAM + Storage Memory) • iOS devices are not supported temporarily, please do not apply Key Responsibilities 1. Use the designated APP (WiFi Field Collection APP V1.2) to complete WiFi signal collection at designated locations in accordance with operational standards 2. Complete basic APP operations: take photos, confirm location, submit data (a detailed bilingual operation manual is provided) 3. Maintain stable mobile network and normal positioning during collection to ensure data accuracy Part-time Perks • Salary Guarantee: Transparent and traceable settlement process, no reduction of rights and interests • Easy to Get Started: Step-by-step manual guidance, no skill threshold, accessible to everyone • High Flexibility: No geographical restrictions across the UK, adjust collection locations and time at any time • Standardized Process: Fully transparent task allocation, operational standards and data review Notes 1. Maintain a stable mobile network throughout the work to ensure the APP runs normally and data is synchronized 2. Authorize the APP to access location permissions to assist in accurately locating collection points 3. A complete bilingual (Chinese & English) operation manual will be provided after onboarding, covering the entire process from login to submission Application Method Please send the following information to the designated application channel: [Your Full Name + UK City of Residence + Mobile Phone Model & Android System Version] Review Timeframe: Qualification verification will be completed within 24 hours (focusing on verifying the must-meet requirements) Follow-up Communication: After passing the review, we will inform you of task details, operational standards and salary settlement rules as soon as possible We sincerely invite friends in the UK who meet the device requirements to join us and earn extra money easily in your spare time!
+8以上
32 入札
WiFi Data Collection | UK Part-Time Job
£2 – 5 GBP /時間
+7以上
時給
5 入札
Android Chat Messaging App
$15 – 25 USD /時間
投稿時間35分前
I need a lightweight, real-time chat application built exclusively for Android phones. The core focus is text messaging—no voice calls or media sharing for this version—so the interface and back-end can stay streamlined and fast. Key goals • Smooth one-to-one text conversations with instant message delivery and read receipts • Simple, clean UI that feels native to modern Android versions • Push notifications for new messages when the app is in the background • Secure user authentication (email, phone, or social sign-in—whichever you recommend) • Cloud-hosted database for message storage and basic user profiles You’re free to choose the stack you know best (Firebase, AWS Amplify, Supabase, or a custom REST/WebSocket back-end) as long as the final APK runs reliably on current Android devices and the full source code is provided. Deliverables 1. Complete Android Studio project with well-commented code 2. APK ready for installation and testing 3. Brief setup README so I can build and deploy locally If you’ve shipped chat features before, please mention any relevant apps or GitHub samples. I’m ready to start as soon as the scope and timeline are clear.
15 入札
Flutter Developer for Existing App - focussed on publishing to play store and app store - Full Time Contract
₹100 – 400 INR /時間
投稿時間13時間前
Summary We are seeking an experienced Flutter developer to join our team on a full-time contract basis for 6 months. You will be working on enhancing and maintaining an existing Flutter application, implementing new features, and ensuring optimal performance. The ideal candidate will have a strong understanding of mobile app development and a passion for building user-friendly applications. Collaboration with our design and backend teams will be essential. If you have a proven track record in Flutter and are ready for a long-term project, we would love to hear from you! Key responsibilities include: 1. Lead the seamless transition of existing repositories to the corporate GitHub environment, ensuring version history and security integrity. 2. Architect and implement automated pipelines to streamline the flow from build and testing through to store deployment. 3. Centralize control of the codebase and build/test environments under company-managed accounts to ensure long-term scalability and security. 4. Orchestrate weekly submissions for both iOS and Android, maintaining a consistent and reliable shipping cadence. 5. Assist Lead full-stack developer to drive feature development and ensure robust application maintenance. 6. Partner proactively with QA to identify and neutralize critical blockers, safeguarding and not compromising delivery deadlines. 7. Operate effectively within a high-velocity, Agile environment, delivering high-quality code in short, iterative cycles. Screener Questions: 1. This position follows a full-time working day 6 days a week on a hybrid model; however, you may be required to work onsite full-time for a unprecedented period of days depending on project needs. Are you able to commute to Vivek Vihar, Delhi, for these periods? 2. To maintain accurate sprint reporting, are you open to the use of a tool like Hubstaff or Clockify? We require real-time tracking that monitors active windows and browser tabs to ensure logged hours correlate directly with project tasks. 3. Submit your quotation with your monthly estimated rate for this type of contract for 6 months.
+1以上
12 入札
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