Android is the most popular mobile operating system globally. It is a modernized version of the Linux open-source operating system, which provides millions of users with compute resources and features to create user-friendly mobile applications. An Android developer can specialize in creating and designing the underlying code for building interactive mobile applications for the Android platform with user friendly features such as easy navigation and rich user interface.

Here's some projects that our expert Android Developer made real:

  • Quick integration of payment gateways onto multiple platforms.
  • Identifying and fixing software bugs in existing Flutter projects.
  • Utilizing SMS API to provide a secure login experience with OTP authentication.
  • Developed a multi restaurant food delivery system with powerful UI/UX capabilities that contain an extensive list of features.
  • Added new functions onto existing android applications.
  • Developed a tablet app specifically designed to provide train replacement service manual announcement applications.
  • Wrote code for thermostat remote control on ESP32 WiFi and Blynk cloud platform.

It is evident that Android developers have a wide array of talents at their disposal that can be used to create innovative solutions and applications for any of your desired needs. On Freelancer.com, we have experienced Android Developers with years of expertise ready to assist you in your project. Our talented developers are passionate about what they do—making sure that all customers get their desired product quality and standards met on time without compromising the overall application structure and design. If you are looking for an Android Developer for your project, why not post your project today on Freelancer?

A partir das avaliações de 356,234, os clientes avaliam nosso Android Developers 4.9 de 5 estrelas.
Contratar Android Developers

Android is the most popular mobile operating system globally. It is a modernized version of the Linux open-source operating system, which provides millions of users with compute resources and features to create user-friendly mobile applications. An Android developer can specialize in creating and designing the underlying code for building interactive mobile applications for the Android platform with user friendly features such as easy navigation and rich user interface.

Here's some projects that our expert Android Developer made real:

  • Quick integration of payment gateways onto multiple platforms.
  • Identifying and fixing software bugs in existing Flutter projects.
  • Utilizing SMS API to provide a secure login experience with OTP authentication.
  • Developed a multi restaurant food delivery system with powerful UI/UX capabilities that contain an extensive list of features.
  • Added new functions onto existing android applications.
  • Developed a tablet app specifically designed to provide train replacement service manual announcement applications.
  • Wrote code for thermostat remote control on ESP32 WiFi and Blynk cloud platform.

It is evident that Android developers have a wide array of talents at their disposal that can be used to create innovative solutions and applications for any of your desired needs. On Freelancer.com, we have experienced Android Developers with years of expertise ready to assist you in your project. Our talented developers are passionate about what they do—making sure that all customers get their desired product quality and standards met on time without compromising the overall application structure and design. If you are looking for an Android Developer for your project, why not post your project today on Freelancer?

A partir das avaliações de 356,234, os clientes avaliam nosso Android Developers 4.9 de 5 estrelas.
Contratar Android Developers

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    355 trabalhos encontrados

    Quero lançar um aplicativo que combine rede social com serviços específicos para bares e restaurantes. A meta é disponibilizar uma primeira versão funcional (MVP) pronta para testes internos em Android e iOS. Funcionalidades essenciais • Perfil do usuário – cadastro, foto, bio curta e preferências. • Mensagens privadas – chat individual entre frequentadores. • Criar mesas – o usuário abre uma mesa virtual, define número de lugares e convida amigos ou deixa pública para quem estiver perto entrar. Fluxo básico esperado 1. Usuário faz login ou cadastro rápido. 2. Cria ou entra em uma mesa ativa no estabelecimento. 3. Conversa por mensagens privadas com outros pa...

    €364 Average bid
    €364 Média
    61 ofertas

    Busco um desenvolvedor sênior em para implementar o motor de vendas de uma imobiliária. O objetivo é criar um ecossistema que receba leads do Meta Ads, Instagram e site qualifique-os via ia (gpt-4) consultando uma base de dados no google sheets, e gerencie todo o funil dentro do kommo crm, com comunicação ativa via z-api. Escopo Técnico da Rotina: 1. Captura e Triagem: Configurar Webhooks para recebimento de leads (Facebook/Instagram), validação de telefone e criação automática do contato no Kommo CRM com tags de origem. 2. Cérebro de Vendas (IA): Integrar a Openai api para atuar como sdr digital. A IA deve realizar buscas dinâmicas em uma planilha Google Sheets (Base de Imóveis/Condomín...

    €178 Average bid
    €178 Média
    14 ofertas

    Preciso de um desenvolvedor capaz de criar um launcher SA-MP totalmente funcional para a plataforma Android. A ideia é permitir que um jogador instale o jogo e entre diretamente em nosso servidor sem lidar com passos manuais ou arquivos soltos. Funcionalidades indispensáveis: • Instalação de data automática — o APK deve baixar e posicionar todos os arquivos necessários na pasta correta. • Configuração personalizada — quero poder definir opções básicas (gráficos, idioma, diretório) de forma descomplicada. • IP fixo — o launcher deve conectar-se sempre ao nosso endereço de servidor predefinido, sem que o usuário precise editá-lo. • Designer b&...

    €376 Average bid
    €376 Média
    33 ofertas

    I need a skilled Android developer to create an e-commerce app. Essential features: - Product catalog: Comprehensive and user-friendly. - Payment gateway integration: Secure and seamless transactions. - User reviews: Section for customer feedback. Experience in developing e-commerce apps and expertise in payment integrations is ideal.

    €282 Average bid
    €282 Média
    19 ofertas

    I’m building a small showcase app for a school contest and need a polished Android solution that makes printed text friendlier for students with dyslexia. The flow is straightforward: the user opens the camera, points it at a page, and the app instantly recognises the words (OCR). As soon as the text is captured, each word is spoken aloud in sequence while that same word is highlighted on-screen in real time. The result should feel like a karaoke-style guide that lets the reader follow along word by word without losing their place. Must-have fundamentals • Android only — Kotlin or Java is fine, as long as it runs smoothly on common mid-range phones. • Real-time OCR (Google ML Kit, Tesseract, or any on-device library you prefer) with no dependency on an active int...

    €192 Average bid
    €192 Média
    31 ofertas

    I’m building a new marketplace focused exclusively on physical goods and need an end-to-end development partner who can deliver both a responsive web app and companion mobile apps for iOS and Android. The platform must feel seamless no matter how users access it, so shared business logic and a single back-end are important. I’m flexible on the exact tech stack—React + , Vue, Flutter, React Native, or similar—provided the result is fast, secure, and maintainable. Key features to include: • User profiles with onboarding, settings, and order history • Product reviews with star rating and basic moderation tools • Secure payment system that supports major cards and digital wallets, with escrow or hold-release logic Acceptance criteria 1. Produ...

    €88 Average bid
    €88 Média
    49 ofertas

    "Looking for a Chennai - India based Developer" We need an end-to-end system that lets my fitness club run smoothly while giving members a polished mobile experience. On the web side, the software must handle member management, class scheduling, and secure payment processing in one place so staff can sign people up, take bookings, and reconcile transactions without jumping between tools. For members, the native iOS and Android apps should mirror the web database in real time, allowing them to: • track individual workouts and see progress reports that pull from the same records staff view, • reserve or cancel classes instantly, and • follow personalised nutrition plans generated from the back-office portal. Whether you prefer Flutter, React Native, or fully s...

    €268 Average bid
    €268 Média
    79 ofertas

    I need a full-featured ride-sharing and pooling application built for both iOS and Android. The service is designed around shared trips only, so every screen should guide users toward combining routes rather than booking a private cab. For riders I must see live vehicle locations on an interactive map, smooth in-app payments (card, wallet, Apple Pay/Google Pay, etc.), and the chance to rate and review every completed journey. Drivers, on the other hand, should receive pooled-ride requests in real time, view the optimal pick-up order, navigate turn-by-turn, and track daily earnings from an in-app dashboard. A separate administrator panel will let me onboard drivers, monitor live trips, settle disputes, push notifications, and export ride analytics. Deliverables • One codebase (...

    €671 Average bid
    €671 Média
    49 ofertas

    I'm looking for an experienced mobile application developer to create an application for managing an agents network. The app must be available on both iOS and Android platforms. Both languages option, Hindi, English. Key Features: - Lead Management: Track and manage sales leads. - Commission Tracking: Monitor agent commissions. - Training Modules: Provide training resources for agents. - New Schemes and Offers: Update agents on new offers and schemes. Ideal skills and experience: - Proficiency in mobile app development for both iOS and Android - Experience with lead management and commission tracking systems - Ability to integrate training modules within the app - Strong UI/UX design skills for an intuitive user experience Please include examples of similar work in your bid.

    €238 Average bid
    €238 Média
    35 ofertas

    I want a full-featured social networking app built exclusively for Android. The core experience must allow users to create and edit profiles, exchange real-time messages, and browse an engaging content feed. Each of these three functions—profile creation, messaging, and feed consumption—has equal priority for the first release. You will handle everything needed to get a production-ready APK into Google Play: clean, well-documented Android code (Kotlin or Java), integration with a lightweight yet scalable backend of your choice, and a simple but modern UI that follows current Material Design guidelines. Authentication may start with email/password; social sign-in can follow in a later milestone. At hand-off I need: • Compilable source code with clear build instructions ...

    €2 / hr Average bid
    €2 / hr Média
    14 ofertas

    I’m building the first “AllTrails-style” guide dedicated to obstacle-course racing (OCR) training spots and need a production-ready mobile application that runs smoothly on Both iOS and Android. The core experience hinges on a live map (Google Maps API or comparable) where users can drop pins, attach geo-tagged photos, write descriptions such as “Great for rope climbs—public park with pull-up bars,” rate the spot, and tag it with OCR-specific attributes like grip strength, endurance, or mud terrain. Beyond discovery, the app must feel social. Logged-in athletes should be able to comment, favourite, post challenges (“Beat my time at this spot”), and build simple public profiles. Powerful filters—difficulty, obstacle type, proximity, use...

    €532 Average bid
    €532 Média
    183 ofertas

    I need a clean, reusable .NET MAUI framework that runs on both Android and iOS. The core of the job is a Bluetooth Low Energy driver focused on monitoring-and-notification use cases, wrapped in a virtual communication layer that speaks a fully custom protocol next to standard BLE read/write/notifications characteristics Here is what I expect: - Knowledge AND EXPERIENCE how to run/build BLE MAUI applications, please add this in your response, might need communication • A solution skeleton in MAUI with well-structured projects for shared code, platform specifics, and tests. • A BLE service that discovers, connects, subscribes, and streams characteristic changes, exposing them through events/observables suitable for reactive UI updates. • The virtual channel: encode/dec...

    €16 / hr Average bid
    €16 / hr Média
    110 ofertas
    Android App Reskin & Edits
    6 dias left
    Verificado

    I already have the complete Android source code and now need it visually overhauled. The task is a pure reskin: swap in my new logo, colors, icons, splash screen, and any other branding assets I supply. No deep feature rewrites are planned, but you may adjust XML layouts or minor Java / Kotlin snippets if that’s what it takes for the new design to fit cleanly. The project is built in Android Studio, so please be comfortable working with its latest stable release, Gradle, and typical asset pipelines. When you hand the work back, I expect: • Updated source code compiling without errors • A signed AAB/APK ready for Google Play submission • A brief changelog so I can track exactly what was touched If you can turn this around quickly while keeping the codebase tidy, ...

    €115 Average bid
    €115 Média
    55 ofertas

    I’m building a mobile application that lets field executives—loaders, helpers, delivery riders and other gig workers—locate nearby jobs simply by entering their pincode. The same app will handle a ₹100 monthly subscription, display each company’s salary plus incentive structure, and refresh a personal dashboard so users see their earning potential day-to-day. I need the complete solution for both Android and iOS. Core modules include: • Pincode-based job search that pulls openings from our partner companies in real time • In-app subscription flow (₹100/month) with secure payments and automatic renewal handling • Salary & incentive dashboard that visualises confirmed shifts, projected payouts and daily totals AI will sit at the centre of the ...

    €3357 Average bid
    €3357 Média
    77 ofertas

    I need a polished e-commerce application that works seamlessly on both iOS and Android. The storefront should showcase my full product catalog, allow quick, intuitive search, and let customers create accounts or sign in with the usual social or email options. Once users are ready to purchase, the checkout flow must connect to a secure, widely used payment gateway so transactions clear without friction. I value a clean UI, fast load times, and code that scales—preferably built with a single code-base framework such as Flutter or React Native, though I’m open to native development if you can explain the long-term advantages. Deliverables • Fully functional iOS and Android builds • Admin-side access to add, edit, or remove products and view orders • Integr...

    €138 Average bid
    €138 Média
    64 ofertas

    1. The "Magic" Payment Engine (The Core) This is the part that will make shopkeepers say "Wow." * The Android Listener: A background service on an Android phone that "listens" for bank SMS or notifications (HDFC, SBI, PhonePe, etc.). * Instant Verification: It scrapes the UTR number and Amount from the message and sends it to the Mac. * The "Auto-Green" Moment: The billing screen on the Mac/Tablet turns green automatically the second the payment hits. No manual checking required. 2. The "No-Scam" Audit System (The Security) This solves the problem of managers stealing cash or faking entries. * Shift Tracking: Logs the exact time a manager logs in and out. It calculates "Active Hours" so they can't lie about how long they ...

    €227 Average bid
    €227 Média
    39 ofertas

    1- Task is to visit an institute physically and take atleast 10-15 geotagged photos of the name board of the institutes captured from outside the building and preferably inside too. Download app for geotagged pics from the link: 2- Get the verification forms filled, signed and stamped by the HR or relevant authority of these locations. 3- Get the details of verifier that is their name, designation, Department and Contact. 4- In case of refusal to fill form, take the written refusal statement with stamp or sign as a proof. If they don't give written, ask them that you want to record them saying their reason and take their details like name designation contact etc. If both isn't possible, just take their details like name of person whom you met, their designation, contact, or t...

    €50 Average bid
    Local
    €50 Média
    1 ofertas

    Pls share proposal with commercials for Design & Development of Self-Paced E-Training Mobile Application For Sales & Service Employees – Pacemaker Products & Procedures ________________________________________ 1. Background & Objective India Based Medical startup company requires a self-paced, mobile-based e-training application to train its sales and service workforce on heart pacemaker products, implantation procedures, device programming, troubleshooting, and post-procedure support. The existing training material is available in PowerPoint format across six (6) defined levels. The objective of this initiative is to transform static PPT content into an engaging, structured digital academy, ensuring: • Learners remain motivated during early levels (Level 1 &...

    €1937 Average bid
    €1937 Média
    86 ofertas

    Saya ingin membangun sebuah aplikasi jejaring sosial Android (APK) yang berfokus pada fitur perpesanan. Versi pertama hanya perlu mendukung pesan teks satu-lawan-satu—cukup stabil, ringan, dan aman. Ruang lingkup utama: • Autentikasi pengguna (email / nomor ponsel) • Profil dasar dengan foto dan status singkat • Daftar kontak/teman yang bisa dicari • Layar chat real-time dengan pengiriman, penerimaan, dan notifikasi pesan teks • Panel admin sederhana untuk moderasi konten dan laporan bug Teknologi yang saya pertimbangkan meliputi Kotlin atau Flutter untuk sisi client, serta Firebase atau backend ringan setara untuk realtime database dan push notification. Jika Anda memiliki stack lain yang lebih efisien, silakan ajukan. Kriteria penerimaan:...

    €19 / hr Average bid
    €19 / hr Média
    20 ofertas

    Project: Next-Generation Mobile Racing Game (Ultra-Modern, 2026+) I am looking for an experienced mobile game developer or game studio to build a next-generation car racing game inspired by fast-paced arcade racers like Asphalt, but significantly more modern, more refined, and more visually impressive. This project is not a clone. The goal is to create a fresh, futuristic racing experience that feels like a premium 2026–2027 mobile racing title, with its own identity, advanced visuals, and smooth gameplay. Core Game Requirements Platform: Android & iOS (cross-platform preferred) Engine: Unity or Unreal Engine (developer recommendation welcome) Target: High-end mobile visuals with scalable performance for mid-range devices Camera Views Dynamic third-person racing camera ...

    €226 Average bid
    €226 Média
    15 ofertas

    We are looking for an experienced full-stack developer or development team to build a complete Society / Apartment Management Software for residential housing societies. The solution should include a Web Admin Panel and Mobile Applications (Android & iOS) for residents and security staff. The software must be scalable, secure, and user-friendly. Scope of Work: The system should include the following core modules: 1. Member / Resident Management - Owner & tenant database - Flat/unit management - Document upload (KYC, agreements) - Move-in / move-out tracking - Parking allocation 2. Billing & Accounting - Monthly maintenance auto-generation - Custom charge creation - Late fee & interest calculation - Online payment integration (UPI, cards, net banking) - Receipt generat...

    €1155 Average bid
    €1155 Média
    129 ofertas
    Flutter Appointment Booking App
    6 dias left
    Verificado

    - User sign-up & login (email + password) - User roles: Coach | Athlete | Admin - Coach profiles (bio, sport, pricing, availability) - Athlete profiles - Lesson booking system - Availability blocks for coaches - Booking history (past & upcoming) - In-app notifications

    €371 Average bid
    €371 Média
    143 ofertas

    I need both the Android and iOS builds of my app brought up to the latest 6am Mart release so that all existing features continue working after the core upgrade. There is no redesign involved—the task is strictly functional. Primary areas to tackle • User authentication – the current login and token flow occasionally fails after the recent server-side updates. I need seamless sign-in on first try, consistent session persistence, and full parity between the two platforms. • Payment systems – Stripe and Razorpay SDKs must be bumped to their current stable versions and retested so every purchase, refund, and webhook callback runs without error on Android 13+ and iOS 17. • 6am Mart core update – integrate the official latest release, resolve any br...

    €107 Average bid
    €107 Média
    33 ofertas

    I need a straightforward Android productivity app focused purely on task management. The idea is to give users a clean, lightweight way to create, edit, and track their tasks on the go, without the clutter of calendars or note-taking modules. Core scope • Users must be able to add tasks, group or prioritize them, mark them complete, and search or filter quickly. • Data should persist locally and sync smoothly whenever the device is online. • A simple, modern UI that feels native to the latest Android versions is essential. I’m open to your suggestions on the specific paradigm—whether classic to-do lists, a kanban-style flow, or smart reminders—as long as it stays intuitive and fast. Please build with current Android Studio, and structure the code so...

    €122 Average bid
    €122 Média
    44 ofertas
    SVS Drive Mate
    6 dias left

    I’m building an MVP called SVS DriveMate using Thunkable. I need a designer + no-code builder to: Create logo, app icon, splash screen Design clean red-black UI Build Map (Google Maps + traffic), fuel calculator, expenses, SOS, reminders Store data locally or Airtable Test APK/IPA and guide publishing Budget: ₹25000 Timeline: 3–4 weeks Experience with Thunkable & Google Maps API required.

    €221 Average bid
    €221 Média
    15 ofertas

    Saya ingin memulai karier freelance di ranah media sosial hanya dengan ponsel—tanpa laptop sama sekali. Saya butuh Anda merancang panduan praktis, mudah diikuti, dan sepenuhnya mobile-friendly yang mencakup: • Langkah demi langkah menemukan ceruk (niche) dan layanan media sosial yang laris. • Rekomendasi aplikasi Android/iOS gratis atau murah untuk riset konten, desain ringan, penjadwalan, dan analitik. • Cara membuat portofolio langsung dari ponsel—termasuk template bio, highlight, dan contoh feed. • Strategi mencari dan berkomunikasi dengan calon klien di Instagram, TikTok, dan platform freelancer. • Checklist harian/mingguan agar saya konsisten hingga mendapatkan proyek pertama. • Tips keamanan akun serta manajemen file berbasis cloud...

    €392 Average bid
    €392 Média
    12 ofertas

    I need a straightforward Android application that lets my customers send money to me by bank transfer. After signing up or logging in with the classic username-and-password flow, a user should be able to choose an amount, see (or pre-fill) my banking details, and push the payment through an integrated bank-transfer API. Security is critical, so the credential flow must be encrypted end-to-end and the transfer requests signed or otherwise verified to prevent tampering. A lightweight backend—REST or Firebase Cloud Functions is fine—can manage authentication, session tokens, and payment-status webhooks. Please deliver: • Full Android Studio project (Java or Kotlin) • Secure username/password authentication flow • Bank-transfer API integration with success/...

    €109 Average bid
    €109 Média
    34 ofertas

    Any individual able to start work today, Must be from Rawalpindi or Islamabad only. Bid k start ma Rwp/Isb jahan sy b ho likh do ta k filter krna asan ho

    €365 Average bid
    €365 Média
    33 ofertas

    WebRTC Call Recording Issues in Desktop Dialer (JsSIP) We are working on a desktop VoIP dialer built using JsSIP and WebRTC and are facing multiple issues related to audio call recording that need to be analyzed and fixed. Issues Observed 1. Conference Call Recording Controls o User-facing Start / Stop recording buttons do not work reliably during conference calls. o Recording sometimes does not include all participants or does not stop correctly. 2. Critical: Background Audio Recording o Audio recording sometimes continues or restarts without explicit user action or permission. o This is a privacy and browser policy compliance issue and must be handled strictly via user consent and proper MediaStream cleanup. 3. Recording Failure During Multiple Calls o When handling multiple or consecuti...

    €9 / hr Average bid
    €9 / hr Média
    9 ofertas

    I’m looking for an experienced mobile developer to build a brand-new Android application from the ground up. The core idea is defined and the UI flow is sketched, but I need you to turn those concepts into a fully functioning app that runs smoothly on current Android versions. You will handle everything from setting up the project in Android Studio, choosing the right architecture pattern, coding cleanly in Kotlin or Java, and integrating any required APIs or services. I’ll provide wireframes, branding assets, and a detailed feature list once we start; your role is to translate that into a polished, deployable APK and tidy, well-commented source code. Please factor in essential quality steps such as unit testing, responsive layouts for phones and tablets, and Play Store readi...

    €8 / hr Average bid
    €8 / hr Média
    58 ofertas

    Project: Resource Connect – MVP Development for Field Testing Resource Connect is a mobile application designed to bridge the gap between individuals in need and the nonprofit organizations that serve them. The platform will make it easier for community members to locate essential services—such as food assistance, healthcare, housing support, and legal aid—while giving nonprofits a streamlined way to share resources, manage engagement, and understand emerging community needs. We are entering the next phase of development: building the Minimum Viable Product (MVP) that will be deployed for field testing in Northwest Indiana. This MVP will translate our finalized Figma prototype into a functional, test‑ready application and will include the core features necessary to valida...

    €27 / hr Average bid
    €27 / hr Média
    204 ofertas

    I'm looking for a skilled Bubble developer to create a product customizer app for a 2-sided Christmas ornament. The app should allow users to: - Upload images - Adjust/Resize to fit in a 3” Circle Mask - Choose tree-hanger/lace color - Preview Front/Back actually on each side of ornament, before Adding to Cart Ideal Skills and Experience: - Proficiency in - Experience in building customizable product apps - UI/UX design skills for an intuitive user experience - Ability to integrate image upload and color selection functionalities Please provide examples of similar work done. Payment processing via Stripe, etc., needs to be built in too. ------------------------------------------------------------------------------- I want a FUN, simple app where a short intro video welcomes...

    €979 Average bid
    €979 Média
    69 ofertas

    I need a complete Android-based point-of-sale application that can be rebranded for different clients. All source code must be handed over so my team can swap logos, splash screens, and basic colour accents without touching the underlying logic. Core workflow requirements are straightforward: process walk-in sales smoothly, keep real-time inventory counts accurate, store essential customer details for repeat business, and generate clear on-screen and printable bills. The interface should feel classic and simple—think tidy screens, large touch targets, and minimal ornamentation—yet leave room for our logo and a primary brand colour. The build has to expose at least one clean way to push daily summaries to external accounting software (REST, webhook, or a small middleware modul...

    €283 Average bid
    €283 Média
    22 ofertas

    I have built an app using lovable and want it now turned into an app on ios and android. It doesn't need to go in the app store, it can be published via test flight for iOS packaged as an apk for android as it only needs to be used by about 100 users. Ideally we will be able to update code in github and the apps will update on the devices, but i understand if this is not possible. App will need permissions for GPS, using the camera, saving photos to the local library and push notifications. Frontend: React 18 + TypeScript, built with Vite, styled with Tailwind CSS and shadcn/ui (Radix UI components) Backend: Supabase (hosted PostgreSQL database, authentication, file storage, and Edge Functions written in Deno/TypeScript) Routing: React Router v6 (single-page app) State Manage...

    €350 Average bid
    €350 Média
    183 ofertas
    Telegram Block Blast Mini-Game
    6 dias left
    Verificado

    I need a bite-sized Block Blast game that runs entirely as a Telegram mini app, so anyone who opens it inside Telegram—whether on iOS, Android, or desktop—gets the same seamless experience. The core mechanic can follow the familiar block-clearing format; I’m open to your suggestions on pacing, art style, and sound as long as the gameplay feels snappy and satisfying. Key features I must see: • Real-time leaderboards so players instantly know where they rank • A rotating set of daily challenges to keep the game fresh • Streak-based rewards that pay out daily, weekly, and monthly • A referral system that tracks who invited whom and credits both users accordingly In app purchases and ads Please build on Telegram’s Web Apps framework (HTML5...

    €408 Average bid
    €408 Média
    124 ofertas

    I’m looking for an experienced freelancer to build a cross‑platform mobile app (iOS & Android) and web survey platform that supports both micro and macro surveys. The platform must allow surveys to be categorized by location (city, country), age group, interests, hobbies, and other filters, as well as wide‑scale surveys across entire populations. The system should include survey purchasing (by clients), survey participation (by users), points/reward earning, and payout functionality, and be designed to work worldwide. Core features and requirements will be discussed further with candidates who show relevant experience and examples in their proposals.

    €202 Average bid
    €202 Média
    132 ofertas

    Project Overview Project Name: School Student Attendance System Goal: Build a system that allows teachers/staff to mark student attendance (possibly with location/time), notifies parents via push notifications when the student is ready for pickup or has been picked up, enables parents to confirm/view status, and handles basic student/parent/teacher data. Architecture: • Mobile App (Teachers / Parents) • Oracle APEX Backend (Admin / Reports / APIs) • Oracle Database Duration: 2 Months (8 Weeks) System Architecture 1) Mobile Application Users: • Teachers → mark attendance and deliver students • Parents → Students receive and students tracking. • Security → deliver students (optional) Features: • Login • Class & student list •...

    €1100 Average bid
    €1100 Média
    224 ofertas

    Title: Feedback on App Deployment for Amazon Fire (US Only) Project Goal: Verify the end-to-end user journey on the Amazon Fire ecosystem. Task: Navigate to the Appstore and find the designated software. Finalize the onboarding process (acquisition). Run a 5-minute stress test (keep the app open and interact with it). Do not revert the installation as we need to track long-term stability. Proof of Work: Visual confirmation of search placement. Visual confirmation of the app running. Documentation of the successful acquisition (Order Details).

    €19 Average bid
    €19 Média
    13 ofertas

    English: I am planning to build a mobile non-custodial platform for digital token transactions on iOS and Android, including a backend. The software will operate purely with tokens; no fiat processing will occur within the system — fiat transactions will be handled exclusively by connected external partners. In the initial discussion, I expect: • An architecture proposal for Solana, including wallet handling and monitoring logic • Recommendations for the role model: Admin → Distributor → Shop → End Customer • A technical setup for a self-custody wallet with biometric security features • A workflow for QR-based token transfers between roles • A concept for automatic token classification (Clean / Unverified) and an audit trail • A rough ef...

    €13234 Average bid
    €13234 Média
    70 ofertas

    Project Request – React Native App (iOS & Android) Hello, I would like to develop a mobile application using React Native for both iOS and Android. Project Overview The app will allow users to download videos and audio from social media platforms. Main Requirements Develop the mobile app using React Native. The app should support downloading from social media platforms (such as Instagram, TikTok, Twitter/X, YouTube, etc.). Set up and configure a backend API on my server. Install and configure yt-dlp on my server and connect it to the API. Connect the mobile app to the API for fetching and downloading media. Design I already have the design files created using Google AI Studio. The files are in TSX format. The app consists of 3 main screens: Download Page Librar...

    €137 Average bid
    €137 Média
    134 ofertas
    Mobile Emotional Support App
    6 dias left
    Verificado

    I need an end-to-end build for an emotional-support application that will run natively on both iOS and Android. The core experience centres on real-time connection: users must be able to text-chat with a support professional and, when they choose, upgrade seamlessly to voice or video calls by purchasing in-app credits. All communication features have to feel instant, private, and secure. Here is the workflow I have in mind. A user signs in, sees available listeners with their current status, and begins a text conversation. A credit counter should appear unobtrusively, allowing the user to switch to voice or video without leaving the chat screen. Apple and Google in-app purchase SDKs will handle the recharge process, so please allow for storefront integration, receipt validation, and a sim...

    €284 Average bid
    €284 Média
    57 ofertas

    Necesito desarrollar tres aplicaciones móviles en Flutter (iOS y Android) que trabajen bajo la misma base de datos y panel de administración: 1. App Clientes El usuario final debe poder: • Crear cuenta con email, Apple ID o Google • Buscar barberos a domicilio o barberías cercanas mediante geolocalización en tiempo real • Reservar la cita seleccionando fecha, hora y servicio • Pagar con tarjeta a través de Stripe; la plataforma retiene 5 % y el resto va directo al profesional o barbería • Calificar y dejar reseñas cuando la cita termine • Consultar historial completo de servicios y pagos 2. App Barberos Independientes El barbero gestionará: • Onboarding de Stripe Connect (cuenta t...

    €1879 Average bid
    €1879 Média
    149 ofertas
    Basic Ride-Share Booking App
    6 dias left
    Verificado

    I’m putting together a lean, first-release ride-share/taxi app whose sole focus is fast ride booking and driver–rider matching. For this initial build we only need single-ride trips—no carpooling or luxury tiers yet—so the flow stays simple: choose pickup and destination, see the fare, and get paired with the nearest available driver. Two extra touches are essential: riders must be able to schedule a trip in advance and cancel it from inside the app if plans change. Everything else (pricing rules, surge logic, etc.) can live in an admin web panel you create alongside the apps. I’m happy with either native iOS/Android or a cross-platform stack such as Flutter or React Native; Google Maps (or Apple Maps on iOS) should power the driver’s navigation. The p...

    €482 Average bid
    €482 Média
    237 ofertas

    I’m looking for an experienced web & mobile app developer to build a high-performance website and iOS/Android app for a hair salon. I already have a one-page website, a premium ThemeForest theme, and an existing site (). I need a full salon website (using the current theme or a new one), iOS & Android apps, an online shop for products and services (WooCommerce), a client booking system, and a modern, clean UI/UX with fast loading as a top priority. Features should include user accounts, appointment booking, push notifications, online payments, an admin panel for managing bookings/services/products, GDPR compliance, SEO-friendly and mobile-first design, and publishing to the App Store and Google include relevant past projects, your recommended tech stack, timeline and cost es...

    €466 Average bid
    €466 Média
    373 ofertas
    Restaurant and Retail POS
    6 dias left
    Verificado

    I’m looking for an experienced developer/team to build a complete offline-first POS platform that runs reliably on a local network (LAN). The system must keep working when the internet is down, but also support optional online features for some customers (e.g., cloud reporting, multi-site reporting, remote backups, and online ordering integrations). In short: offline by default, online when needed. Two product modes in one codebase A) Hospitality (Restaurant / Bar) Windows POS touchscreen: tables & floorplan, open tickets, split/merge/move, void/refund, discounts, VAT/tax rules Android handheld ordering (PWA or native): fast ordering per table, live sync with POS + KDS, offline queue + retry KDS (Kitchen Display System): new → preparing → ready, station routing (kit...

    €8026 Average bid
    ADC
    €8026 Média
    142 ofertas

    We hired somebody, they tried to make meta and google ads account. Wasted our 15 days and still didn't start campaign. Also ran with 8k after break the contract. So we are harrased. We need someone who can start runnings ads from tomorrow. No time to waste. Start straight. We will pay your fees in parts. Not all upfront.

    €182 Average bid
    €182 Média
    7 ofertas

    Necesito desarrollar una aplicación nativa para Android y iOS cuya función principal sea la autenticación y el acceso mediante Microsoft Active Directory. Una vez que el usuario inicie sesión, la app debe conservar el token y redirigirlo a nuestro portal web interno, adjuntando dicho token para mantener la sesión abierta en el navegador in-app. Además del inicio de sesión, requiero: • Configuración de notificaciones push (Firebase Cloud Messaging o equivalente en iOS) para avisar al usuario sobre eventos clave del portal. • Manejo seguro del token (almacenamiento, renovación y cierre de sesión). • Pantalla de carga sencilla y flujo claro de “logueo → validación → redirecci&oacut...

    €475 Average bid
    €475 Média
    62 ofertas

    Simple Private Booking App for Family Sports Facilities (Android / iOS) Project Overview We need a very simple, private booking app for family use only (max 20 users) to manage bookings for a football field and padel court. This is not a public app. No payments. No social features. >> Core Requirements (MVP) Users & Access Invite-only login (email or phone) Only admin can add/remove users >> Booking Features Calendar view (day/week) >> Two facilities: Football Field Padel Court >> Create booking: Date Start time / End time Facility Prevent double bookings Edit / cancel bookings >> Roles Family User: create/edit/cancel own bookings Facility Manager: View all bookings Receive notifications on new/updated bookings Admin: Full access ...

    €1739 Average bid
    €1739 Média
    101 ofertas

    The project is to create a fully functional mobile application focused on gym-related use cases that will be released on both iOS and Android. I will provide the core concept and branding assets; you will turn them into a polished, store-ready product. Key expectations • Native or high-performance cross-platform codebase that delivers identical user experience on iPhone and Android phones. • Clean, modern UI that fits typical fitness / workout flows. • End-to-end build: architecture, coding, basic QA, and packaging for App Store and Google Play submission. • Clear, well-commented source code plus a concise setup/readme so I can maintain the project internally. Preferred stack React Native, Flutter, or Swift + Kotlin are all acceptable as long as the final ap...

    €126 Average bid
    €126 Média
    44 ofertas

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