Kotlin Jobs

I’m looking for a complete marketplace listing solution built with PHP (latest stable version) and MySQL on the back-end, paired with a native Android app. The web portal should let me manage three distinct roles—Admin, Seller, and Buyer—each with the appropriate dashboards and permissions. Attached Pdf Flie Please Review & Share Your Work Link Listing Market Place link Android App ink Key points I need covered: • Web portal: clean UI for adding, editing, and browsing listings, plus the usual order flow and reports an admin would expect. • Role management: separate logins and capabilities for Admin, Seller, and Buyer, all controllable from the admin panel. • Android app: native code (Java or Kotlin) that mirrors the core buyer experience, supp...

I’m adding a free-trial membership to my Android mobile app and need an experienced developer to wire everything up smoothly. The core goal is simple: a new user installs the app, taps “Start Free Trial,” and immediately gains access to premium features for a limited period before deciding whether to subscribe long-term. Here’s what I already have: the app is live on Android, built with standard Kotlin and Jetpack components. What I need from you is the full trial workflow—front-end prompts, Google Play Billing Library integration, trial duration settings, and automated conversion or expiration logic. A lightweight, well-documented back-end hook (Firebase, Node or similar) that records each trial’s status would also be helpful so I can track uptake and ...

I need a production-ready Android finance application that will easily clear a formal security review. I will hand over the compliance matrix, API partner documentation, and branding assets; your job is to transform them into a polished, secure app that covers: • On-boarding with KYC checks and biometric login (fingerprint / face). • Encryption at rest and end-to-end TLS in transit. • Account dashboard showing real-time balance updates with a detailed breakdown of holdings. • Searchable transaction history pulled via partner APIs. • Full audit trail—every critical user action logged immutably for future audits. The build must follow modern Android best practices (Kotlin preferred, Jetpack, MVVM, OWASP Mobile Top 10 mitigation) and ship with reproduc...

I’m building an Android-only app that lets customers browse our services, lock in an available time slot, and leave a deposit before the appointment is confirmed. I will supply the full set of business rules that define working hours, blackout dates, staff skill levels, and any custom availability logic—your job is to translate those rules into a smooth, error-free booking flow. Key functions I expect from day one: • Real-time availability based on my rules, with instant reservation once the deposit goes through. • Google Calendar two-way sync so new bookings appear on our shared calendar and any changes we make there update the app. • Push and email reminders for both the customer and our in-house team, plus automatic handling of reschedules and cancellati...

I’m building an Android-only application that lets customers book our home-service offerings in three quick steps: pick a service, choose an available time slot, and secure it with a PayPal deposit. I’ll supply the detailed business rules that govern which technicians are available when, along with all exception logic. The core build needs to cover: • Real-time slot calculation based on the rules I provide • Secure PayPal deposit collection and confirmation • Two-way calendar sync (Google Calendar preferred) so my team’s schedules update automatically • Push and/or SMS reminders for both customers and staff • A straightforward cancellation flow that triggers our refund policy logic • A lightweight dashboard where the team can view,...

I’m building an Android-only e-commerce application and want to nail the browsing experience first. The core task is to create a smooth, responsive product-listing and search module. Shoppers must be able to explore the catalogue, type a query, and instantly refine results by ratings and reviews—you can treat that filter as mandatory. If you have a clean way to layer in other filters or even lightweight recommendations later I’m open to it, but for this milestone I only need: • Search bar with real-time suggestions • Ratings & reviews slider or toggle to narrow results • Pagination or lazy-load list so large inventories feel fast Please implement in Kotlin (Android Studio), follow modern MVVM or similar architecture, and keep the codebase rea...

I need a focused, field-ready Android application that lets our security personnel capture incidents the instant they occur. The flow is straightforward: officers open the app, complete a structured incident form, attach photos or short video clips straight from the device camera or gallery, and submit. As soon as a report is logged, real-time push notifications must alert relevant team members so nothing slips through the cracks. Because this will be used exclusively by trained security staff, the interface has to be fast, uncluttered, and usable with one hand—think large buttons, offline caching in spotty coverage areas, and a minimal number of taps to completion. Deliverables • Android Studio project (Kotlin or Java) with clean, well-commented code • Signed APK...

I want to give my Reiki Healing clients a simple, fully-featured Android experience they can download straight from Google Play. After a quick login, users must be able to: • book a treatment in an available time slot, • chat with me in real time, • pay instantly through UPI, • browse all Reiki Healing services, • check their profile and past sessions, • receive push notifications for reminders and promotions. On the back end I need a straightforward admin panel where I can set or block appointment slots, reply to chat messages, track payments, and push notifications or content updates. A lightweight marketing website that mirrors the app (service list, contact form, Play Store link) should be included so new visitors can learn about us befo...

I need a lightweight Android browser built around permanent Incognito mode, so no history, cookies, or cache are ever stored. The overall look should stay clean and clutter-free; think a single address/search bar, slim toolbar, and nothing that distracts from the page content. Although the interface must stay minimalist, I still want users to be able to tweak it—simple theme or accent-color switches, the ability to move or hide the toolbar, and a setting to choose the default search engine will be enough. Please build on standard Android WebView (Kotlin or Java in Android Studio) and keep the codebase well-commented. I will need: • Release-ready APK • Full source code with build instructions • A short README outlining how the incognito implementation works ...

I need a straightforward Android application that lets users access the app through a secure username-and-password login screen. At this stage I am focusing only on Android, so you can use Android Studio with Java or Kotlin—whichever you are most comfortable with. Core scope • Clean, intuitive login interface • Secure credential handling (local encryption or a backend such as Firebase/Auth0—open to your best-practice suggestion) • Well-structured project files and clear comments so I can maintain the code later Optional next steps (not in this job but good to keep in mind) could include subscription flows or cloud integration, so please architect the code with scalability in mind. When you hand over the APK and full source code, I will test the build ...

I need an Android application that authenticates against a Pepperstone cTrader account through the official cTrader Open API using the Implicit Grant flow. After sign-in, the user must be able to: • securely fetch and display current account balances, open positions, and full account history • place, modify, and close trades from both demo and live accounts Push notifications are not required, so everything should happen in-app. Please follow cTrader’s recommended OAuth security practices, store tokens safely, and make sure the same codebase can be switched between demo and live environments with a simple build flag or configuration file. Deliverables must include: • a clean Android Studio project (Kotlin or Java) that compiles without external tweaks • doc...

I’m building an Android-only application that mirrors TikTok’s in-app coin recharge experience. The flow should feel instantly familiar to users yet remain fully compliant with Google Play policies and any payment-provider requirements. Core functionality • Secure user authentication so each balance is tied to a verified account. • Seamless payment-gateway integration (any widely supported Android SDK is fine) with proper handling of purchase confirmations, failures, and refunds. • A clear transaction history screen that logs amount, date, status, and reference ID. Design direction The interface must stay simple and minimalistic—clean typography, plenty of white space, and intuitive navigation similar to native Material-You guidelines. What I wil...

I need an Android-only application that mirrors the core functionality of MobileRecorder24 while adding a fully integrated key-logging module. The build must capture the screen and system audio in the background and log every keystroke, saving all three data streams locally with the option to auto-upload to a URL I will supply later. Because I want the app to stay light, the interface should be simple and minimalistic—just a clean dashboard that lets me start or stop recording, browse stored files, configure upload credentials, and view basic status indicators. No extra visual clutter, no unnecessary animations. Your work should result in: • A signed, install-ready APK that runs smoothly from Android 8 onward • Well-commented source code (Java or Kotlin) so I can ...

I have a full set of static screenshots that outline every screen, button, and data field of a small personal utility app I want to keep on my own devices. Your job is to transform those images into a fully functioning mobile application that feels native on both Android and iOS. The app itself is simple in concept but must be completely clickable. Each screenshot represents a screen you will recreate, wire together, and make responsive so I can move from one section to another exactly as the images suggest. Key areas include the Reservation ID lookup, a Services list, and a Job Openings board, each reachable through the menu flow shown in the assets. A built-in camera module is essential: when I point the camera at a document’s QR code, the app should read it instantly and route m...

Android Developer Needed — AI Email Writer App Project Overview I am looking for an experienced Android developer to build a complete, polished AI-powered Email Writer application. The app should allow users to generate professional emails using AI by entering a purpose/context and selecting options such as email type, tone, length, and language. IMPORTANT — REFERENCE APP The new app should look and feel as close as possible to the reference application, including its overall UI, UX, layouts, navigation, colors, components, screens, and user flow. Reference app: Please review this reference before submitting your proposal. I want the finished application to closely reproduce the reference app's: Overall visual style Screen layouts Navigation Color palette Typogra...

I need a complete, production-ready Satta Matka solution focused on Android. I already have the full UI/UX guidelines, colour palette, and screen mock-ups, so you can jump straight into coding without waiting for design approvals. Scope • Android player app – clean onboarding, secure wallet handling, game play screens, real-time result update, bet history, notifications, and basic KYC prompts. • Web-based admin panel – create / edit games, push winning numbers, manage user accounts, review transactions, and pull reports. A lightweight framework such as Laravel, Node.js, or Django is fine as long as it is stable and well documented. • Download landing page – simple responsive page that hosts the APK, shows privacy / T&C, and tracks basic analytics...

I’m building a friendly, private space on Android where parents, siblings, and close friends can stay in touch without the clutter of today’s big networks. The core of the product is a reliable messaging system that handles both text and multimedia (photos and short videos), so everyone can share moments as they happen. I already have the visual concept sketched out and a basic user-flow in mind; what I need now is an experienced Android developer who can turn that vision into a smooth, secure, and well-architected application. Kotlin (or modern Java) with Android Studio is preferred, and I’m leaning toward Firebase for real-time chat, user auth, and image storage, but I’m open to equivalent solutions if you can justify the choice. Key goals for this first milesto...

I’m enhancing an existing Android application and need two key upgrades: 1. Real-time text chat • In-app conversation screen with message history, read/typing indicators and offline persistence. • Scalable backend or third-party SDK of your choice (Firebase, , or similar) fully integrated, with clean, well-documented code so I can maintain it later. 2. Activity feed • A dedicated screen that pulls and displays a chronological feed of user activities (likes, follows, posts, etc.). • Smooth, paginated scrolling and a simple JSON endpoint or local database schema to keep the feed in sync. Acceptance criteria • Messages appear instantly on both devices and remain after app restart. • Feed loads in under two seconds on a typical 4...

I want to bring a new social-networking experience to life on Android. The project is a full mobile-app creation, focused exclusively on the Android platform, and the core of the product is connecting users through profiles, posts, likes and real-time interaction. The scope • Design an intuitive, modern UI that follows current Material Design guidelines. • Build the Android application in Kotlin or Java, integrating secure sign-up/login, user profiles, a dynamic feed, image/video upload, comments, likes, push notifications and in-app messaging. • Set up the back-end (Firebase, AWS or another scalable solution) with authentication, real-time database / cloud functions and cloud storage. • Implement basic analytics and crash reporting so I can monitor usage from ...

I need an Android-only retail e-commerce app built from the ground up. The first release must let shoppers browse a clean, well-structured product catalog and quickly locate items through an in-app search. Fast, accurate search is a priority because I expect hundreds of SKUs from day one. Core scope • Native Android build (Android Studio, Kotlin or Java—whichever you work best with). • Product catalog screens with category navigation, detail pages, images, price and stock status. • Robust product search: keyword, category filter and sorting. It should remain snappy even on a modest data connection. • Admin-side hooks or simple API endpoints so I can upload, edit and remove items without touching code. While the initial milestone stops at catalog + sear...

I need a straightforward Android utility that lets users browse, organize, and share files stored on their device. The core requirement is reliable file management paired with an intuitive “share” flow—users should be able to select one or multiple files and quickly send them via the built-in Android share sheet. Scope of work • Build a clean, modern UI that follows current Material guidelines. • Implement folder navigation, basic search, and multi-select actions (copy, move, delete, rename). • Add a “Share” action that hands files off to any compatible target on the device (e-mail, messaging apps, cloud drives, etc.). • Ensure smooth performance on Android 8.0 (API 26) and up. • Deliver production-ready APK plus full source c...

I’m ready to move from sketches to a working, production-ready Grocery Management application that runs smoothly on Android devices and in any modern web browser. Here is the core scope: • Users must be able to register, sign in and manage their own data, so please include a secure account system with email/password (social login is a plus but optional). • The heart of the product is a dynamic shopping-list creator. Items can be added manually or through real-time barcode scanning—on Android via the camera and on web via webcam or manual barcode entry. • After items are saved, the app should suggest recipes that intelligently use what’s already on hand; a simple rule-based engine is fine to start, as long as the data model keeps the door open for f...

I want to build an Android-only social networking application from the ground up. The idea is to give users a smooth, engaging space to connect and share, so I’m looking for someone who can plan the architecture, craft the UI, wire up the back end, and prepare a Play Store-ready release. Here’s what I have in mind: • Native Android build in Kotlin or Java, developed in Android Studio • Secure user sign-up/login, profile creation, and real-time activity feed • Messaging or commenting in real time, push notifications, and simple media uploads • Clean, scalable code that can grow as new features are added • A signed release APK and all source code delivered through a private Git repository Deliverables 1. Complete Android project source code 2....

I want to launch an Android-only app that connects advertisers with influencers through short video clips. Advertisers will be able to register, build a profile, fund their wallet, and create campaigns that spell out the brief, payout, and required clip length or views. Influencers, once they have signed up and completed their own profiles, should see an automatically updated feed of live campaigns, post their clips directly from the phone, and track what they earn in real time. Secure authentication, separate profile areas, and role-based dashboards are essential for both user groups. Inside the influencer dashboard I need a clean earnings tracker that shows pending, approved, and paid amounts, while advertisers should see campaign performance metrics and remaining budget. Although I am...

*1. Client & Onboarding** - Client/business profile: name, contact, address, GST number, onboarding date - Client status: active / paused / terminated - Contract/agreement start & end date, auto-renewal flag **2. Dispenser Management** - Dispenser master: ID/serial, model, install date - Assign one or multiple dispensers per client - Security deposit per dispenser + refund tracking on termination - Dispenser service/maintenance log (breakdowns, cleaning visits) - Idle/unassigned dispenser inventory report **3. Plans & Pricing** - Monthly rental amount per client - Free refill count/month - Extra refill charge per container - Price revision history (so past bills don't recalculate at new rates) **4. Daily Operations** - Daily delivery entry: client, date, containers deli...

I need a complete Android marketplace that lets people buy and sell items with the same flow and feature depth users expect from OLX. The project covers everything from the native app itself to the backend, hosting, and an admin panel that gives me full control over users, listings, and reported content. Core build • Android-only native application (Kotlin or Java in Android Studio) • Real-time GPS so users can browse ads near them, update their location on the move, and receive geo-based suggestions • Secure sign-up / sign-in, user roles, and an admin web panel to approve, suspend, or delete accounts and ads • Product listing screens with category management, advanced search, and multi-layer filters • In-app chat, push notifications, and email/SMS trigg...

I want to launch an Android-only application that lets people anywhere in the world publish work opportunities straight from their phone. The core of the product is a clean, reliable Job Posting flow aimed specifically at job seekers, so the interface, onboarding and profile logic should all speak their language: they come in, create a profile, describe the job they need done, add location, price or hourly rate and publish. Key screens I expect: • Splash / onboarding connected to Firebase (or a similarly robust cloud backend) for quick sign-up with email, Google or phone. • A “Post a Job” wizard with category selector, skill tags, budget field, optional image upload and a final preview before publish. • A feed where users can scroll their own active, closed or dr...

I’m developing a professional-networking platform exclusively for Android and need the full application coded and ready for launch on Google Play. The core experience centres on meaningful professional connections, so fluid in-app messaging is essential. Users must be able to start one-to-one or group chats instantly and exchange photos or short videos without noticeable delay or quality loss. All accounts will be created and secured through phone-number verification; no email or third-party social logins are planned, so the onboarding flow has to handle SMS code delivery, validation, and graceful error handling. Once inside, users can update a quick profile, search or receive suggestions, start a chat, and share media directly from the camera or gallery. Backend architecture, da...

I need help taking my current Android app to the next level in two areas: 1. Translation All user-facing text must be moved to a clean file (where it isn’t already) and translated into natural, idiomatic French. Please keep all formatting, placeholders, plurals, and accessibility descriptions intact so nothing breaks at runtime. The final deliverable should be an updated plus any additional resource files required for perfect French localisation. 2. Battery-usage optimisation The code base (Kotlin with a few legacy Java classes) runs well, yet power consumption is higher than it should be. I want lightweight, maintainable changes that noticeably reduce battery drain without sacrificing features. Typical focus areas include: • background services and alarms • wake...

I’m ready to turn an idea into a polished Android application and need a developer who can guide the entire process—from refining requirements and wire-framing through coding, testing, and Play Store deployment. Because the end product will live exclusively on Android, you should be fully comfortable with recent SDKs, Jetpack libraries, Material 3 design guidelines, and either Kotlin or modern Java. Here’s how I picture the collaboration working: we begin with a short discovery call where you help me shape the core feature set and user flows. After that, you’ll translate those flows into UI mock-ups, establish the app architecture, and start iterative development. I’d like clean, well-documented code and a build that’s easy to maintain once it’s i...

I’m building a dedicated Android application for the student side of my Learning Management System. The scope is intentionally focused on a single user role—Student—so the interface and codebase can stay lean while still covering every core learning need. The app must let students: • Access all courses published from the existing web back-end (secure login, responsive course catalogue, video + PDF streaming) • Track their progress in real time, with a dashboard that syncs completion status, quiz scores and time-on-task to the server • Communicate inside each course through chat or forum threads, sending text and simple attachments Clean Kotlin code, Android Jetpack best practices, and a modular architecture that keeps networking, data storage an...

I need a complete Android application built for my Besufkad concept. The scope is end-to-end mobile software development: planning, UI/UX, coding, basic testing, and packaging for release on the Google Play Store. The core objective is to deliver a stable, intuitive APK that meets current Android SDK requirements. Once installed, the app should open seamlessly on modern devices, follow Material Design guidelines, and be ready for future feature expansion. Please tell me: • the tech stack you prefer (Kotlin, Java, or Flutter for Android-only builds) • any libraries or frameworks you recommend for rapid development • a rough milestone schedule so the total cost aligns with the $1 000 project cap I will provide branding assets and wireframe sketches as soon as we a...

I’m looking to turn my love of film into a simple Android application that lets users build and manage a personal movie watchlist. For this first release I only care about watchlist creation and maintenance; features like reviews or ticket booking can remain placeholders for a later phase, so structure the code with future add-ons in mind. Here’s what I need: • A clean Material-styled interface where users can search movies, view basic details (poster, synopsis, release year) and tap to add or remove items from their watchlist. • Data pulled in real time from a public source such as TMDB or OMDB; feel free to suggest the best fit. • Persistent storage of the watchlist between sessions—Room/SQLite is fine, or a lightweight cloud option like Firebase if...

I’m building a service that lets users run deep scans on their Android phones from either an Android app or a responsive website, then subscribe on a monthly or yearly plan for ongoing protection. Core scope • Android app – the main interface for running device scans, viewing results, and managing the subscription. • Website – mirrors the scanning dashboard so users can trigger a scan, review reports, and purchase or upgrade a plan directly in the browser. • Unified backend – handles the actual scan logic, report storage, in-app purchases, Stripe/PayPal recurring billing, and future expansion to link and installed-app scanning. Key functions I need implemented 1. Device scan engine that checks the phone for malware, risky permissions, ou...

Je souhaite confier la conception complète d’une application Android fluide, performante et maintenable. Fonctionnalités que je veux impérativement voir intégrées : • Connexion utilisateur sécurisée • Intégration des paiements in-app • Notifications push en temps réel L’interface devra s’appuyer sur un design riche en fonctionnalités, tout en restant intuitive et cohérente avec les guidelines Material Design. Côté sécurité, la priorité est la sauvegarde régulière des données afin de garantir la continuité du service et la protection des informations utilisateurs. L’usage de bonnes pratiques (clean arc...

Je souhaite confier la conception complète d’une application Android fluide, performante et maintenable. Fonctionnalités que je veux impérativement voir intégrées : • Connexion utilisateur sécurisée • Intégration des paiements in-app • Notifications push en temps réel L’interface devra s’appuyer sur un design riche en fonctionnalités, tout en restant intuitive et cohérente avec les guidelines Material Design. Côté sécurité, la priorité est la sauvegarde régulière des données afin de garantir la continuité du service et la protection des informations utilisateurs. L’usage de bonnes pratiques (clean arc...