Razvoj mobilnih aplikacij Jobs

Mobile Development is an area of expertise focused on creating interactive applications for mobile devices. An experienced Mobile Developer can work with clients to create powerful, secure, and user-friendly programs that are optimized for use on smartphones, watches, or other IoT (Internet of Things) devices. Whether the task involves improved navigation and accuracy, ground-breaking design and layout, increased productivity, or even mobile game development - a developer's know-how can be instrumental in creating awesome digital experiences and fruitful projects.

Here's some projects our expert Mobile Developers made real:

  • Building beautiful user interfaces in various languages like Swift and Flutter
  • Crafting aesthetically pleasing designs that are fully responsive to every type of device
  • Ensuring data integrity through secure coding methodologies
  • Creating custom mobile apps for unique needs
  • Keeping customer information safe and secure
  • Optimizing websites for any device

Hiring a Mobile Developer with the technical skillset to solve these types of problems can be a challenging yet rewarding decision. It can save clients time, money, and energy while simultaneously unlocking newfound capabilities that can turn an ordinary idea into something extraordinary. If you have a project you would like to accomplish through Mobile Development, why not post your project on Freelancer.com and find experienced professionals who can make it into reality? Contact us today if you’re interested – we look forward to hearing from you!

Od 46,907 ocen, stranke ocenjujejo Mobile Developers 4.84 od 5 zvezdic.
Najem Mobile Developers

Mobile Development is an area of expertise focused on creating interactive applications for mobile devices. An experienced Mobile Developer can work with clients to create powerful, secure, and user-friendly programs that are optimized for use on smartphones, watches, or other IoT (Internet of Things) devices. Whether the task involves improved navigation and accuracy, ground-breaking design and layout, increased productivity, or even mobile game development - a developer's know-how can be instrumental in creating awesome digital experiences and fruitful projects.

Here's some projects our expert Mobile Developers made real:

  • Building beautiful user interfaces in various languages like Swift and Flutter
  • Crafting aesthetically pleasing designs that are fully responsive to every type of device
  • Ensuring data integrity through secure coding methodologies
  • Creating custom mobile apps for unique needs
  • Keeping customer information safe and secure
  • Optimizing websites for any device

Hiring a Mobile Developer with the technical skillset to solve these types of problems can be a challenging yet rewarding decision. It can save clients time, money, and energy while simultaneously unlocking newfound capabilities that can turn an ordinary idea into something extraordinary. If you have a project you would like to accomplish through Mobile Development, why not post your project on Freelancer.com and find experienced professionals who can make it into reality? Contact us today if you’re interested – we look forward to hearing from you!

Od 46,907 ocen, stranke ocenjujejo Mobile Developers 4.84 od 5 zvezdic.
Najem Mobile Developers

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    We are Dev Spark Soft, a professional team providing Google Play Console app publishing and developer account renting services. Our company has 150+ verified developer accounts with strong history and apps published before 2023, ensuring safe and stable publishing. Services included: • Draft App Access • App Review and Submission • Weekly Live Monitoring • Safe Publishing Process • Support for Multiple Apps You can publish most types of apps on our developer accounts. ⸻ Our Packages Basic Package – $100 7 Days Guarantee • App Draft Access • App Review and Publish • Weekly Live Monitoring • Multiple Apps Allowed • On One Play Console Account Price: 100 / 100 / 100 ⸻ Standard Package – $200 14 Days Guarantee ...

    €195 Average bid
    €195 Povprečna ponudba
    28 ponudb

    Estoy montando mi propia empresa de mensajería y necesito una solución completa que cubra dos frentes: 1) Un sitio web de rastreo donde el cliente ingrese su número de seguimiento único y pueda ver el historial completo del paquete: fecha de alta, movimientos intermedios, y estado final. El panel de administración debe permitirme generar esos códigos, asignar envíos a cada repartidor y consultar estadísticas básicas. 2) Una aplicación Android para repartidores que funcione tanto online como offline y luego sincronice. La app debe: • Escanear el código del paquete (lector de códigos de barras o QR). • Capturar firma digital directamente en pantalla. • Tomar hasta tres fotos como evidenci...

    €1005 Average bid
    €1005 Povprečna ponudba
    63 ponudb

    I'm seeking an experienced Flutter developer to create an Android app. The app will include: - User authentication - In-app purchases - Push notifications Ideal skills and experience: - Proficiency in Flutter and Dart - Experience with Firebase for user authentication and notifications - Knowledge of implementing in-app purchases on Android - Strong UI/UX design skills Please provide examples of similar work. Meeting deadlines and clear communication are essential.

    €570 Average bid
    €570 Povprečna ponudba
    64 ponudb

    Developer Needed – Banner System Modification + Mobile Layout Redesign **Project Description** I am looking for an **experienced developer who has worked with Flynax before**. My website is ****, and I need several modifications done carefully without breaking the current system. Please **do not apply if you do not have Flynax experience.** **Tasks** **1. Modify Banner Plugin (Homepage Section)** I already have a banner plugin that displays banner plans. I want to modify it so the homepage shows a section encouraging advertisers, for example: “Advertise Your Banner Here” This must connect with the existing banner plan system. **2. Banner Exchange System** I need a **simple banner exchange system** where other websites can exchange banners with my website. It must...

    €10 Average bid
    €10 Povprečna ponudba
    30 ponudb

    I'm seeking an experienced web developer to create a comprehensive e-commerce platform dedicated to selling women's clothing. The website should not only showcase our unique collections but also provide users with an intuitive and enjoyable shopping experience. It's a dropshiping website . Need to integrate it with Trendsi usa. Key Requirements: - Secure and user-friendly online payment system - Size guide for accurate fitting - Wishlist functionality for user convenience - Mobile-responsive design - SEO optimization for increased visibility - Integration with social media platforms Ideal Skills and Experience: - Proven experience in developing e-commerce websites, particularly in the fashion industry - Strong understanding of UI/UX design principles - Familiarity with SEO...

    €234 Average bid
    €234 Povprečna ponudba
    134 ponudb

    I have a complete Figma design for an crypto mobile application and now need it built in Flutter and published under your own Google Play developer account. The core goal is to move from design files to a live, downloadable Android app that meets Google’s current policy requirements. You will take my static screens, wire them up to Flutter code, hook in the back-end endpoints I supply, and walk the build all the way through Play Console review. Because the purpose of this project is strictly crypto, smooth product browsing and purchasing flow must remain central throughout your implementation. Deliverables • Fully functional Flutter project (Dart source, assets, ) matching my approved UI • Release-ready AAB signed with your Play signature, plus a debug build for testing...

    €161 Average bid
    €161 Povprečna ponudba
    108 ponudb

    I'm looking for a skilled developer to create an interactive community map that showcases our walking trails, boundaries, and playgrounds. The map should be accessible on both mobile devices and desktop computers. Key Features: - Interactive markers for trails and playgrounds - Detailed trail descriptions - A photo gallery for each location - User interaction through both click and hover to see details Ideal skills and experience: - Proficiency in map development and design - Experience with interactive elements - Strong UI/UX design skills - Mobile and desktop compatibility expertise Please provide samples of similar work done.

    €388 Average bid
    €388 Povprečna ponudba
    223 ponudb

    We are looking for an experienced Android developer to develop a mobile application for our warehouse operations. The application will be used by warehouse staff to scan barcodes and capture vehicle images, and then send the collected data to our ERP system via API. Key Requirements: Barcode Scanner Ability to scan barcodes using the device camera. The scanned barcode value should be captured and stored in the application. Photo Capture Users should be able to capture one or more photos of vehicles using the mobile camera. Photos should be compressed before upload to reduce data usage. API Integration The application should send the following data to our ERP system via API: Barcode number Vehicle number (manual entry or scanned) Captured images User ID / timestamp API endpoint will be p...

    €607 Average bid
    €607 Povprečna ponudba
    76 ponudb

    More details: What is the primary purpose of your marketplace? Creators market ( content selling) What type of content will creators be selling? Audio , voices What specific features do you want for the content sales? Subscription-based access, One-time purchases

    €399 Average bid
    €399 Povprečna ponudba
    126 ponudb

    I need a straightforward restaurant website primarily aimed at showcasing our menu. Key Requirements: - Simple text-based menu display - Additional sections: - About Us - Contact Form - Location and Directions - Ordering Option Ideal Skills and Experience: - Web design and development - Experience with restaurant websites - Ability to create user-friendly navigation - Mobile-responsive design expertise

    €174 Average bid
    €174 Povprečna ponudba
    357 ponudb

    I have a single-screen Bootstrap landing page that needs a quick round of polishing for smartphone users. First, the hero video must shift so its right edge lines up perfectly with the right edge of the word “Safety” that appears just above it. Right beneath that, the supporting line needs the same right-edge alignment with the newly positioned video. Once those visual fixes are in place, I want the entire page to respond smoothly on smartphones. My priorities are a fluid, responsive layout and snappy load times, so please keep CSS lean, compress any oversized assets, and double-check that breakpoints behave correctly down to 320 px. Tablet support is a bonus, but phone screens are the focus. The page is already built on Bootstrap, so stay within that framework—no fu...

    €117 Average bid
    €117 Povprečna ponudba
    257 ponudb

    I want to swap the live camera feed on an older, jail-broken device (iOS 13–14 running Dopamine or a similar rootless setup) with a predefined asset so I can study how iOS handles media input. The tweak should let me point the system camera APIs to either: • a single static image (JPEG or PNG) • a looping video file (MP4) Ideally I can drop the asset into a folder or set its path in a simple prefs bundle, then toggle between “live”, “image”, and “video” without rebooting. No need for App Store integration, entitlement trickery, or third-party service hooks—this stays strictly on-device for personal, non-commercial testing. Deliverable • Rootless .deb that installs cleanly on Dopamine • Preference pane (or command-li...

    €416 Average bid
    €416 Povprečna ponudba
    72 ponudb

    I already have a verified Google Business Profile that still refuses to show publicly, plus a SimplyBook scheduling page that runs smoothly. Now I want to pull everything together behind a clean, modern business website that will help me attract new customers here in France. Scope of the site • Pages: Home, About Us and Contact, all written in French (with room for future English versions). • A clear “Book Now” button that opens my existing SimplyBook page in a new tab. • Photo sections that illustrate exactly what I do, laid out so visitors understand my services at a glance. Or Maybe illustrate photo accordingly where it should be . Technical & marketing goals The site must be mobile-responsive, fast to load and SEO-friendly for local French se...

    €432 Average bid
    €432 Povprečna ponudba
    233 ponudb
    Crypto Meme Token Landing Page
    4 dni left
    Verificirano

    I’m looking for a developer/designer to create a simple, modern website for a newly launched crypto meme token. The website should be clean, visually appealing, and optimized for mobile devices. The goal is to clearly present the token and provide links to trading platforms and social media. If you already have a ready-made website template for a meme token, that is also perfectly fine. In that case, I would be happy to purchase the template and customize the content myself.

    €32 Average bid
    €32 Povprečna ponudba
    109 ponudb
    Minimalist Shopify Apparel Website
    4 dni left
    Verificirano

    I’m ready to move our clothing label onto Shopify and need a developer who can turn a clean, minimalist vision into a fast-loading, mobile-first storefront. The overall look should feel airy and uncluttered while still highlighting each collection through strong product photography and thoughtful UI/UX touches. Shopify is my chosen platform, so deep knowledge of its theme structure, Liquid, and available apps is essential. I also want the build grounded in solid SEO practices—logical heading hierarchy, semantic markup, lightning-quick page speeds, and compressed assets—so the site is discoverable from day one. Core functionality I expect: • Product filtering that lets shoppers drill down by size, style, color, or price without full page reloads • Customer ...

    €105 Average bid
    €105 Povprečna ponudba
    82 ponudb

    I'm looking for a skilled mobile app developer to create a wellness app for both iOS and Android platforms. The app should primarily focus on activity tracking. Key Requirements: - Develop a cross-platform wellness app (iOS and Android). - Implement robust activity tracking features. Ideal Skills and Experience: - Proven experience in mobile app development for both iOS and Android. - Strong expertise in activity tracking functionalities. - Familiarity with wellness app trends and user interface design. - Ability to deliver within budget constraints. Please provide a portfolio showcasing similar projects.

    €115 Average bid
    €115 Povprečna ponudba
    40 ponudb

    Je souhaite développer une première version d’une application mobile exclusivement pour Android. L’objectif est simple : mettre en place une interface basique permettant aux utilisateurs de créer un compte, se connecter et se déconnecter de façon sécurisée. Portée du projet • Architecture épurée, codée en Java ou Kotlin (ou un framework hybride si la performance Android reste optimale). • Écrans essentiels : page d’inscription, page de connexion, tableau de bord vide (placeholder) pour confirmer que l’authentification fonctionne. • Stockage et gestion des comptes via une base de données locale ou un backend léger (Firebase, Supabase ou équival...

    €19 / hr Average bid
    €19 / hr Povprečna ponudba
    64 ponudb

    My Business: I have a door manufacturing + retail shop. Customer comes, gives me door size and frame size, I make it in my factory and deliver it. What the software should do: 1. Take Order When customer comes, I enter: Customer name and phone number Door size (width and height in inches) Frame size (width and height) Material (teak, MDF, steel etc.) Polish type Quantity and price Urgent or normal priority 2. Queue / Line Factory makes 5 doors per day New order automatically goes into line Software shows which day that order will be ready Urgent orders go to top of line 3. Factory Pipeline 3 stages — worker clicks button to move order forward: Manufacturing → worker clicks "Done" → goes to Polish Polish → worker clicks "Done" → goes to Ready R...

    €241 Average bid
    €241 Povprečna ponudba
    21 ponudb

    I need a straightforward Android application that lets registered grocery users browse a product pricelist and narrow it down by local brand name. When an item appears on-screen it should show only two fields—price and a short description—so the layout stays clean and readable. Core flow • A user signs up (or logs in) under the single available category: Area in which user is located. • Once inside, they see the full grocery pricelist pulled from a small dataset or back-end of your choice. • A filter control lets them pick the local brand they’re interested in, instantly updating the list in place. • An optional image upload screen is required so that I, as the admin, can attach a product photo or company logo for future use, even though image...

    €276 Average bid
    €276 Povprečna ponudba
    65 ponudb

    I want a modern, clean website built in PHP for my medical clinic. The look should stay professional yet welcoming, load quickly on desktop and mobile, and be simple for patients to navigate. Core pages I need: • Home • About the Clinic • Services • Contact Key features: • WhatsApp button so visitors can reach us in one tap • Secure online appointment-booking with a back-end where I set available days and times • Fully responsive layout that works smoothly on phones, tablets, and laptops The build must be PHP-based; no WordPress or heavy frameworks are necessary unless you have a lightweight approach that still meets these requirements. A ready-made template is fine as long as it matches the modern style and you can adapt it quickly. Whe...

    €17 / hr Average bid
    €17 / hr Povprečna ponudba
    123 ponudb

    I need a clean, conversion-focused landing page for my small-to-medium enterprise. The single goal is to generate fresh leads, so every element should point visitors toward a prominent contact form that captures their name, email, and phone number. The page must load quickly, display perfectly on mobile and desktop, and reflect our existing brand style. Clear headlines, concise copy, trust badges, and a bold call-to-action button are essential. Visual hierarchy, whitespace, and modern typography should guide the user naturally toward the form. Please build the page so it can be dropped straight onto our current hosting stack (standard HTML/CSS/JS or a lightweight builder such as Webflow is fine). If you prefer a framework—React, Vue, or similar—make sure the final output can ...

    €16 / hr Average bid
    €16 / hr Povprečna ponudba
    91 ponudb
    Telehealth Clinic Site Build
    3 dni left
    Verificirano

    Job Description: I am looking for a freelancer to create a simple and professional website for my medical clinic. The website should be clean, easy to use, and mobile-friendly. Main Requirements: Simple and professional design Mobile-friendly (responsive) Basic pages such as: Home About the Clinic Services Contact Page Additional Features Required: WhatsApp integration so patients can easily contact the clinic through WhatsApp Online appointment booking system for patients A backend/admin panel where I can manage and control appointment availability (set available days and times) If you already have sample websites or ready templates, please share them with me. Budget: My fixed budget is $40, so please apply only if you are comfortable working within this budget. Looking fo...

    €29 Average bid
    €29 Povprečna ponudba
    127 ponudb
    SwiftUI Social Media Downloader
    2 dni left
    Verificirano

    I’m looking for a Swift-savvy iOS developer who can turn my finished Google AI Studio design (supplied as TSX files) into a production-ready SwiftUI application that downloads video and audio from popular social networks. Here is the full scope of work: • SwiftUI build: translate every screen from the existing TSX design into clean, maintainable SwiftUI code, keeping the original look and feel intact and making sure the layout is 100 % iPhone-compatible, all the way back to the oldest iOS version still accepted by the App Store. • Background downloading: implement reliable, resumable downloads so users can leave the app while large files finish in the background. • No login flow: the app must work without any form of user authentication. • Local storage ...

    €179 Average bid
    €179 Povprečna ponudba
    67 ponudb
    Zoolio Pet Care Marketplace Setup
    2 dni left
    Verificirano

    Project Overview: I need a skilled WordPress developer to configure a pet care marketplace called Zoolio using pre-built plugins and themes. Zoolio connects pet owners with providers for services like walking, sitting, grooming, etc. It's a straightforward setup with user signups, bookings, payments, and an admin dashboard, ensuring security and POPIA/GDPR compliance. Providers pay a R99/month subscription. Tech Stack (Use These Exactly): Hostinger Business Web Hosting WordPress 6.9.1 & PHP 8.3 WooCommerce Plugin Paystack WooCommerce Payment Gateway Plugin (custom integrate seamlessly with HivePress for payments/commissions, similar to Stripe) HivePress Core Plugin HivePress Extension Bundle (memberships, marketplace, bookings, requests, search alerts, social logins, social links...

    €400 Average bid
    €400 Povprečna ponudba
    147 ponudb

    I already have a compiled IPTV APK but no source code. I need a developer who can reverse-engineer or rebuild it from scratch so that the new build matches the original look and feel shown in the screenshots I will provide. Core functionality must include Live TV streaming, Video on Demand, and a fully working Electronic Program Guide. The finished app should install cleanly on Android devices and Android-based TV boxes (standard APK format), perform smoothly with HLS or similar streams, and support remote-control navigation. Please replicate the existing UI exactly—fonts, colours, logos, menu flow—based on my reference images. If improvements are needed for performance or stability, feel free to propose them as long as the visual layout stays unchanged. Deliverables &...

    €915 Average bid
    €915 Povprečna ponudba
    105 ponudb
    Add AirPlay Support to Rork App
    2 dni left
    Verificirano

    I already have a Rork-built mobile app for our radio station. The MP3 stream plays perfectly in the existing player, but the moment I try to send the audio to an external speaker via AirPlay on an iPhone, nothing happens. Here’s exactly what I need: • A clean implementation of AirPlay that works on iOS 14 and newer. • Coverage for every audio event in the app, not just the built-in player, so listeners can seamlessly switch to AirPlay any time music is playing. • No change to the current MP3 streaming flow—just add the AirPlay layer. I’ll hand over the current Xcode project (built with Rork) and point you to the streaming endpoint. Deliverable is a working build plus the modified source, along with brief notes on the changes you made so I can ke...

    €22 Average bid
    €22 Povprečna ponudba
    26 ponudb

    Quero criar um aplicativo nativo para Android focado na integração com redes sociais. Preciso que o usuário possa compartilhar conteúdo diretamente em plataformas populares e que a experiência seja fluida, rápida e estável. Escopo principal: • Desenvolvimento completo do app para Android, desde a configuração inicial do projeto até a publicação na Google Play. • Implementação de integração com redes sociais (login ou compartilhamento, de acordo com as políticas de cada plataforma). • Código-fonte organizado e documentado para facilitar futuras manutenções. Entrego o layout em alta fidelidade; espero de você a lógica, o ...

    €18 / hr Average bid
    €18 / hr Povprečna ponudba
    30 ponudb

    I developed a modern web application using **React, Vite, TypeScript, Tailwind CSS, and shadcn-ui**. The project focuses on building a clean, responsive, and visually appealing website with a wood-themed design. GitHub Repository: []() Demo Link: This project demonstrates my ability to design and develop **modern frontend applications with responsive UI and optimized component structure**. ### Key Features * Modern UI design using **Tailwind CSS** * Component-based architecture with **React** * Fast development setup using **Vite** * Type-safe development with **TypeScript** * Responsive layout for desktop, tablet, and mobile devices * Clean and reusable UI components using **shadcn-ui** ### Technologies Used * React * TypeScript * Vite * Tailwind CSS * shadcn-ui ### Project Highlig...

    €3 / hr Average bid
    €3 / hr Povprečna ponudba
    34 ponudb

    Saya membutuhkan seorang developer yang dapat merancang dan membangun aplikasi edukasi berbasis Android. Fokus utama aplikasi ini adalah membantu pengguna belajar materi tertentu melalui konten interaktif dan evaluasi mandiri. Lingkup kerja: • Menciptakan arsitektur aplikasi yang rapi dan skalabel menggunakan Kotlin serta komponen Jetpack modern. • Membuat layar onboarding, pendaftaran, dan login sederhana (Google Sign-In atau email). • Menyusun modul pembelajaran yang mendukung teks, gambar, dan video pendek. • Menambahkan kuis pilihan ganda otomatis-skor di akhir setiap modul untuk menguji pemahaman. • Menyimpan progres pengguna secara lokal; opsional sinkronisasi awan bila waktu memungkinkan. • Menyediakan tampilan dashboard yang menampilkan pela...

    €434 Average bid
    €434 Povprečna ponudba
    9 ponudb

    I’m ready to launch an e-commerce site and need a developer who can take the idea from zero to a fully functional storefront. Here’s what I’m after: • Core scope: design and build a modern, responsive online shop that lets customers browse, add items to a cart, and check out smoothly with major payment gateways. • Tech flexibility: I’m open to Shopify, WooCommerce, Magento, or another solid platform you recommend—just explain why it fits best. • User experience: clean navigation, fast load times, and mobile-first layouts. • Admin essentials: an easy dashboard for product management, inventory tracking, and order processing. • Launch readiness: basic on-page SEO setup, security best practices, and a brief hand-off guide so I ca...

    €8 / hr Average bid
    €8 / hr Povprečna ponudba
    113 ponudb

    Proyecto: Crear aplicación en AppSheet para control de asistencia en el comedor escolar Descripción del proyecto Necesito desarrollar una aplicación en AppSheet que permita pasar lista de forma rápida y automática en el comedor escolar mediante escaneo de un código (código QR o de barras). Funcionalidades requeridas 1. Pantalla inicial Debe mostrar un botón para escanear un código. 2. Lectura y validación del código Tras escanear el código, la app debe: Leer el valor del código. Buscar ese código en una tabla de alumnos. Identificar al alumno correspondiente. 3. Registro de asistencia Una vez identificado el alumno: Registrar automáticamente la asistencia del día en otra...

    €180 Average bid
    €180 Povprečna ponudba
    17 ponudb

    I’m working with an existing FlutterFlow template and need it fully connected to Firebase. This includes configuring Firebase Authentication, a Firestore (or Realtime) database, and Cloud Messaging so I can log users in, store data, and push notifications without errors. Once the back-end connection is solid, I’d like a few light front-end touches: update the primary colour palette to match my branding and swap specific wording in the UI—think changing every instance of “event” to “activity” and similar quick text edits. Deliverables • Firebase project configured and linked to the FlutterFlow app (Auth, Database, Cloud Messaging) • Updated colour scheme applied across all relevant screens • Text replacements completed and ver...

    €18 Average bid
    €18 Povprečna ponudba
    20 ponudb

    Hi , I came across your profile and loved your Flutter + AR/AI work! We are building a premium AI fashion & lifestyle app (virtual try-on, beauty, eyewear) in Pune, and looking for experienced developers (not newbies). Could you share your latest portfolio or past projects (especially ARCore, TensorFlow Lite, or fashion/AI apps)? Also, if you’re available for a 4-5 week MVP project, let’s chat. Thanks! Founder, LumiZen App

    €10 / hr Average bid
    €10 / hr Povprečna ponudba
    70 ponudb
    €184 Povprečna ponudba
    92 ponudb

    More details: What specific features do you want the mod APK to include? Unlimited coins or credits, Access to premium content Which live streaming application do you need the mod APK for? This question was skipped by the user What platform is the live streaming application on? Both so if you are capable to do this then contact us…..

    €511 Average bid
    €511 Povprečna ponudba
    20 ponudb

    I'm looking for a developer to create a set of VR smart glasses that integrate seamlessly with a pocket phone. All hardware should be contained within the pocket device. Key Features: - Display: VR (Virtual Reality) - Functionality: All smartphone features - Essential Features: Messaging & calls, internet browsing, camera & photos, and access to all apps Ideal Skills and Experience: - Experience in VR technology development - Proficiency in mobile app integration - Strong background in hardware-software integration - Knowledge in developing secure and efficient communication protocols Please provide examples of similar work done.

    €401 Average bid
    €401 Povprečna ponudba
    69 ponudb

    I have a MERN social media app with a Quill-based rich-text editor. Images take over 1 minute to appear inside the Quill editor on the FIRST upload, but all uploads after that appear instantly. I need a React/MERN expert to fix this behavior — or replace Quill with a better editor without breaking any existing UI or functionality. What I Need Option A: Fix Quill and Google Sign-in Functionality & Delays First image upload must appear instantly (≤1 sec). Subsequent uploads already work — don’t break them. Google Sign-in must load fast and log users in successfully blazingly fast. OR Option B: Replace Quill Google Sign-in must load fast and log users in successfully blazingly fast. Use TipTap / Lexical / TinyMCE / Slate only if: Looks and behaves the same or...

    €17 Average bid
    €17 Povprečna ponudba
    81 ponudb

    I’m looking for an Android developer who can build a lightweight calculator that handles the four basic operations—addition, subtraction, multiplication and division—and nothing more. The interface can be straightforward; it just needs to look clean on both phones and tablets and pass Play Console requirements without extra permissions. I will give you my AdMob App ID and individual Ad Unit IDs. Please wire them up so ads display properly in the released build and comply with Google policy. When you hand the project back, I need: • A signed, release-ready APK • The corresponding AAB file for Play Console • The complete, well-organised Android Studio source code Everything should compile out of the box and be ready for direct upload to Google Play. Le...

    €168 Average bid
    €168 Povprečna ponudba
    108 ponudb
    Trophy icon Landing Page für SME
    16 ur left

    I need a professional landing page for a VIP SME. It should include high-quality images and text that I can also edit. The template must be compatible with the pre-installed WordPress site and be mobile-friendly.

    €20 Average bid
    €20
    107 vnosov

    I'm in need of a proficient developer to create a Satta Matka app. The application will be available on Android and Web platforms. Your responsibility as the chosen developer will be to deliver a fully functioning app with a user-friendly admin panel to manage two starline games and main market games.

    €418 Average bid
    €418 Povprečna ponudba
    23 ponudb

    Student signs up • Enters college name, course, year • Basic profile: interests, skills, career goals 2️⃣ App automatically suggests clubs Based on profile and behaviour, app recommends clubs like: • Design Club • Coding Club • Public Speaking & Toastmasters • Photography & Film Club • Dance & Music Club • Fitness & Sports Club • Entrepreneurship Club • Gaming & eSports Club • Literature & Hindi/English Speaking Club 3️⃣ Joining clubs • Students can request to join • Club admins need to approve • Some clubs may be open, some private Inside a club Each club has: • Group chats • Announcements • Polls • Events (online/offline) • Workshops • Challe...

    €285 Average bid
    €285 Povprečna ponudba
    31 ponudb

    We're looking for an experienced React Native developer with a strong eye for pixel-perfect UI implementation to review and fix our existing mobile app screens so they match our Figma designs exactly on both mobile phones and tablets, ensuring fully responsive layouts. About the Project This is a League module for a social/gaming app (Ballot) built with: Expo SDK 53 with expo-router TypeScript (strict mode) React Native StyleSheet (no Tailwind/NativeWind) RTL layout with Arabic UI text Apollo Client (GraphQL) for data React Redux for state management The module handles league creation, leaderboards, match views, champion displays, league chat, and gift/award features. What You'll Be Doing 1. Figma vs Code Comparison (Mobile & Tablet) Perform a side-by-side c...

    €217 Average bid
    €217 Povprečna ponudba
    103 ponudb
    React Native Video Playback Fix
    9 ur left
    Verificirano

    The app uses react-native-video to auto-play clips inside a vertically scrolling feed on iOS. When a user scrolls rapidly, playback stops or freezes, even though the next row appears on screen. Everything else in the build is stable; the issue is isolated to this scrolling interaction. I will add you to the private GitHub repository so you can work against the existing codebase. You’ll find a clean branch, reproducible steps, and a short screen recording that shows the glitch. I’m happy to point you to the exact list component and the current optimisation attempts that didn’t pan out. Deliverable • A merge-ready pull request that keeps videos playing smoothly during fast scroll on iOS, with no regression on normal scrolling or memory usage. Acceptance is simple: r...

    €27 Average bid
    €27 Povprečna ponudba
    43 ponudb

    I’m looking for a developer who can build a production-ready Android application which is satta matka whose core function is a paid subscription system. The app will present users with two plan choices—weekly and monthly—and process every renewal through UPI, so the flow must be fully compliant with India’s recurring-payment guidelines. You’ll need to implement a clean onboarding screen that leads directly into the UPI checkout, enforce automatic access control based on the active plan, and surface a simple “Manage Subscription” area where users can upgrade, downgrade, or cancel at any time. Kotlin in Android Studio is preferred, but I’m open to Java if that speeds delivery and keeps the codebase maintainable. Please package the final APK...

    €296 Average bid
    €296 Povprečna ponudba
    47 ponudb

    I need a clean, full-functionality WooCommerce site that lets me sell my professional products and services, under different categories ( Event and wedding products and services ) the same way a shop sells physical goods—complete with product and category pages, a shopping cart with Date and time slot picker, notes and a smooth checkout flow. Because services need clear scheduling with Calendar feature to book date and time slots, the site must treat each “product” as a bookable service with any custom fields you think are necessary. WooCommerce is non-negotiable; I already have hosting. Your build should feel lightweight, mobile-first, and easy for me to manage without touching code once it’s live. Key deliverables: • Fully configured WooCommerce theme (you...

    €112 Average bid
    €112 Povprečna ponudba
    59 ponudb

    I’m looking for a developer who can build a production-ready Android application whose core function is a paid subscription system. The app will present users with two plan choices—weekly and monthly—and process every renewal through UPI, so the flow must be fully compliant with India’s recurring-payment guidelines. You’ll need to implement a clean onboarding screen that leads directly into the UPI checkout, enforce automatic access control based on the active plan, and surface a simple “Manage Subscription” area where users can upgrade, downgrade, or cancel at any time. Kotlin in Android Studio is preferred, but I’m open to Java if that speeds delivery and keeps the codebase maintainable. Please package the final APK, all source files, an...

    €280 Average bid
    €280 Povprečna ponudba
    72 ponudb

    I have an Android app that displays a scrolling list of short text clips. I now need a quick-pin workflow: • When the user single-taps a clip, it should toggle into a “pinned” state and remain visible indefinitely. • Any clip that is not pinned must be automatically removed exactly one hour after it is created (or last edited), even if the app is closed in the meantime. • Visual feedback is important: pinned items should be clearly distinguishable from regular ones (icon, color badge—your call, as long as it follows Material guidelines). You are free to work in Kotlin or Java and may choose the persistence layer that best fits—Room, DataStore, or another solution—so long as the auto-deletion runs reliably in the background (WorkManager or ...

    €248 Average bid
    €248 Povprečna ponudba
    33 ponudb

    IMPORTANT UPDATE – READ CAREFULLY This is NOT a design contest. This project was mistakenly posted as a contest. It is actually a highly technical Android development task. Only serious Android developers with experience in LSPosed, Zygisk, Magisk modules and Camera2 internals should participate. Generic diagrams, flowcharts, AI-generated explanations or conceptual images will NOT be considered valid submissions. Technical Objective Device: Pixel 8a (akita) ROM: EvolutionX 15 (Android 15) Root: Magisk + Zygisk + LSPosed Goal: Force a USB UVC external camera to behave as the ONLY usable system camera. Requirements: Any app requesting a camera must open ONLY the external USB UVC camera. Internal physical cameras must be unusable or invisible. No ROM building. No vendor mod...

    €477 Average bid
    Izpostavljeno Zagotovljen
    €477
    64 vnosov

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