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    1,500 pgp encrypt decrypt java example u gjetën punë

    pasi kam shkruar nje kod ne java per "information retrieval" duhet ta pershtas ne GUI.

    €7 - €25
    €7 - €25
    0 ofertat

    See attachment. hfghjhgfghjhgfdsdgklkjhgfghjklknvbnmnbvcvbnm,.mnbvertyuytrertrghjugfdghjkjhgfdgkjhgfdfgjkjhg

    €13 Average bid
    €13 Oferta mesatare
    1 ofertat
    java ..............
    Ka përfunduar left

    java Assignment... ................c fvvfvf fcqfrcvlrkcv'fmvk'qviqernvoiqrjfoqrjv;oiqjv;oirejiornv;ejrvioerjv[oiarjvnlreuhnior[vjer;ivnfe;vinelvkjfnrv;aoi'evn[aeirfj[oqreihvnperu;gbhqr[eiovj[quv

    €13 Average bid
    €13 Oferta mesatare
    1 ofertat
    moeny for work
    Ka përfunduar left

    php programm for mobile_ section android, java, ajasdasdasdkasjdlkajsdkljasdjaskdjaskld lkjasdjaskdjaslsjdlkasjdlkajdlkjadljasldjlaskjd lkjaslkdjaslkdjkalsjdklasjdkasjdklasjdlkasjldkjasd lkajsdlkasjd

    €128 - €128
    €128 - €128
    0 ofertat
    Android Delivery Tracking App
    6 ditë left
    Të verifikuara

    ...is faster in the moment—and store that image alongside the delivery record. Once the parcel is handed over, a simple “Delivery Complete” tap finalises the job, records a timestamp, and moves the task to the completed list in the back office. I will provide the Tally database structure and sample invoice layouts. Your role is to build: • A driver-facing Android app using native Android (Kotlin / Java) or a robust cross-platform framework that still allows full access to device GPS and camera APIs. • An admin web panel (or Android tablet view) where I can push routes, see live vehicle locations on a map, resend customer notifications, and export completion summaries. • Secure REST or GraphQL endpoints so the app and panel stay in sync even wit...

    €10140 Average bid
    €10140 Oferta mesatare
    28 ofertat

    ...” Social Proof: Customer reviews or athlete-style testimonials Email/SMS Capture: “Join Titan X. Get early access to drops.” Product Page Requirements: Each t-shirt page must include: High-quality images: Front view Back view Close-up of fabric/print Model wearing it in a gym Price displayed clearly Size selector (S–XL) with size guide Strong “Add to Cart” button Short aggressive description: Example: “Engineered for pressure. Designed to perform. This isn’t just a t-shirt—it’s a mindset.” Bullet points: Athletic fit Breathable fabric Sweat-wicking Gym-tested durability Stock urgency: “Only a few left” “You may also like” section with other designs Cart & Checkout: Simple, clean cart wit...

    €28 Average bid
    €28 Oferta mesatare
    61 ofertat
    Comprehensive Health Care App Suite
    6 ditë left
    Të verifikuara

    ...coordination. Users must be able to create and view patient records, assign or accept caregiving tasks, exchange status updates in real time, and track outcomes. All data must move securely between the web portal, the two mobile apps, and the database layer without duplication or loss. Technical expectations I am open to modern frameworks—React or Vue for the web front end, Swift/Objective-C and Kotlin/Java (or a cross-platform solution such as Flutter or React Native) for the mobile layer, and a scalable REST or GraphQL API behind it. Containerised deployment on AWS, Azure, or GCP with automated CI/CD, monitoring, and routine backups is essential so maintenance stays predictable. Key deliverables • Production-ready web application (health & social care focus...

    €7 / hr Average bid
    €7 / hr Oferta mesatare
    33 ofertat
    Develop UniHive Social Mini Program
    6 ditë left
    Të verifikuara

    ...perspective * Rapidly iterate MVP (Minimum Viable Product) to support early user growth * Integrate third-party services (authentication, cloud services, push notifications, etc.) * Support app store submission (App Store / Android markets) for name reservation and deployment ⸻ Requirements Must-have (Core Skills) * Proficiency in at least one major programming language (JavaScript / Python / Java / Swift / Kotlin) * Experience with web or mini program development (e.g., WeChat Mini Program, H5) * Understanding of basic full-stack architecture (APIs, databases, user systems) * Ability to independently build features with a 0→1 mindset Nice-to-have (Any of these is a plus) * Experience in mobile app development (iOS / Android / Flutter / React Native) * Experience build...

    €18 / hr Average bid
    €18 / hr Oferta mesatare
    148 ofertat

    ...easy-to-pick-up game, I’m open to both paths. The key is that it must be fully store-ready: clean code, no policy violations, and attractive enough to earn downloads. Per finished project that meets the criteria below I can release ₹1,500 – ₹2,000, so feel free to pitch multiple ideas if you work fast. Deliverables • Signed release AAB or APK, ready for upload • Complete source code (Android Studio Java/Kotlin or Unity/C# are both fine) • Simple icon, screenshots, and a short store description • Confirmation that all assets are licence-free or originally created . Need to publish the app on the playstore too. Acceptance checklist • Compiles without errors or warnings • Runs smoothly on current Android API levels • ...

    €15 Average bid
    €15 Oferta mesatare
    18 ofertat
    Hiddify/Xray VPN System Deployment
    6 ditë left
    Të verifikuara

    ...* Provide documentation for system usage and maintenance ⸻ Required Skills & Experience: * Strong experience with Linux server administration (Ubuntu/CentOS) * Hands-on experience with Xray / V2Ray / Shadowsocks ecosystems * Familiarity with Hiddify setup and management * Solid understanding of networking concepts (TCP/IP, DNS, routing, ports) * Experience with TLS/SSL configuration (Let’s Encrypt, domain setup) * Knowledge of censorship bypass techniques (DPI evasion, obfuscation) * Experience with VPS providers (e.g., AWS, DigitalOcean, Vultr, etc.) * Ability to debug connectivity and performance issues ⸻ Preferred Qualifications: * Experience building or maintaining VPN/proxy systems * Familiarity with restricted network environments (e.g., China GFW) * Basic s...

    €3538 Average bid
    €3538 Oferta mesatare
    20 ofertat

    ... ×, ÷, %) Scientific calculator (functions like sin, cos, tan, log, sqrt, etc.) Smooth and responsive UI as per Figma design Accurate calculation logic Proper error handling (divide by zero, invalid inputs, etc.) Important: I will provide the Figma design link after you request access Please review the design before finalizing your bid Requirements: Strong experience in Android development (Java/Kotlin) Experience building calculator or math-based apps (preferred) Ability to follow UI designs precisely Clean and optimized code Deliverables: Fully functional Android app Source code Proper testing to ensure accuracy Budget & Timeline: Please share your best price and estimated timeline after reviewing the Figma If you have built similar apps before, please...

    €108 Average bid
    €108 Oferta mesatare
    76 ofertat

    Job Title: Android Java Developer (Camera, Image Processing, USB Integration) About the Role We are building a real-time vision application for a USB-connected glasses device. This role focuses on low-latency camera processing, Android performance optimization, and SDK integration — not AR/Unity development. Key Responsibilities Develop an Android (Java) application for a USB-C connected UVC camera device Display live camera feed in fullscreen on external glasses display Implement real-time image processing features: Zoom (1x–10x) with clarity preservation Contrast enhancement Brightness control Edge detection (outline mode) Color filter modes Integrate OCR + Text-to-Speech (TTS) for real-time text reading Build a minimal, responsive on-screen UI for feature sw...

    €296 Average bid
    €296 Oferta mesatare
    23 ofertat
    Long-Term Backend API Developer
    6 ditë left
    Të verifikuara

    ...the next several months. The immediate need is to design and implement RESTful APIs that handle user authentication and authorization, data retrieval/manipulation, and a handful of third-party integrations. Most of our existing micro-services are written in Python and Java, with a few high-performance components in Go, so the more comfortable you are jumping between those languages the better. You’ll be expected to: • Draft an endpoint specification we can review together. • Build the services in clean, idiomatic Python, Java, or Go (your choice per module), following REST best practices. • Wire in secure auth (JWT, OAuth2, or similar) and role-based access control. • Integrate external services where required, shielding the core logic behi...

    €11 / hr Average bid
    €11 / hr Oferta mesatare
    318 ofertat

    Project Details 1. Project Overview(Backend Microservices System (SPRING FRAMEWORK ONLY)) We are developing a large-scale, enterprise-level digital commerce platform on a Java-based microservices architecture (Spring Ecosystem). The development phase is "LARGELY COMPLETED". We are not looking for a builder to start from scratch, but rather a "finisher"—a skilled Backend Engineer to take ownership of the existing codebase. The primary goal is to validate current integrations, stabilize the logic, and ensure the system is production-ready through rigorous testing. WE WILL PROVIDE TESTING HELP FROM OUR SIDE TOO. 2. Current Project Status & Scope The following microservices have been developed. Your role is to ensure these services communicate seamlessly,...

    €91 Average bid
    €91 Oferta mesatare
    8 ofertat

    ...I Need (Scope of Work):** 1. **PostgreSQL Setup** on Mac Mini M4 - Install and configure PostgreSQL locally - Migrate existing data from Supabase (pg_dump + restore) 2. **Node.js App Deployment** - Set up PM2 for process management and auto-restart - Configure environment variables 3. **Reverse Proxy + SSL** - Set up Caddy or Nginx as reverse proxy - SSL certificate (Let's Encrypt or Cloudflare) 4. **Cloudflare Tunnel** - Configure Cloudflare Tunnel so the app is accessible publicly without a static IP 5. **Auto-Deployment Pipeline** - GitHub Actions workflow: push to main → SSH into Mac Mini → pull + PM2 restart - Should replicate the current Vercel auto-deploy experience --- **Tech Stack:** - Node.js (Express or similar) - Postgr...

    €80 Average bid
    €80 Oferta mesatare
    39 ofertat

    Java Spring Boot Microservice — ITR Portal Login + AIS & 26AS Data Fetch Project Type: Backend Microservice Development Timeline: 4–6 Weeks (MVP) Date Posted: April 2026 Project Description Looking for an experienced Java developer to build a backend microservice that: Logs into the Income Tax e-Filing portal ( ) programmatically ( We have python based script we will share the script to login) Extracts the session token post-login Fetches AIS (Annual Information Statement) and Form 26AS from the TRACES portal ( ) Exposes the data via a REST API secured with JWT The service must handle OTP/MFA relay, auto token refresh, and be built to scale horizontally. Key Requirements Java 21 + Spring Boot 3.x Redis for encrypted session/token caching (TTL-managed)...

    €253 Average bid
    €253 Oferta mesatare
    40 ofertat
    React Native BLE Scale Integration
    5 ditë left
    Të verifikuara

    ...responsiveness. Connection stability, automatic reconnection, and graceful handling of Bluetooth state changes are essential because the app will often run in the background. Deliverables • A self-contained React Native module (TypeScript or modern JS) that wraps all BLE operations and exports easy-to-use hooks or callbacks. • Native bridge code where needed (Swift/Objective-C for iOS, Kotlin/Java for Android) so the same JavaScript API works on both platforms. • Clear documentation and a short demo screen that prints live weight values, connection status, and battery level if the scale exposes it. • Unit tests or a simple test script proving that the module reconnects automatically after signal loss and remains within ±200 ms latency for updates...

    €20 / hr Average bid
    €20 / hr Oferta mesatare
    99 ofertat
    Beginner English Learning App
    5 ditë left
    Të verifikuara

    ... current quiz scores, and weekly streaks; teachers or parents should be able to glance at the same data on a lightweight dashboard. Think Firebase or an equally quick cloud back-end for syncing, but I’m open to the stack you prefer as long as the data stays secure and the UI remains snappy on entry-level Android phones. Core deliverables (acceptance criteria): • Android APK + source (Kotlin or Java) compiled against the latest stable SDK • Audio-first lesson player with play / pause / seek and buffered streaming for low-bandwidth connections • Gesture-friendly interactive activities (drag-and-drop, tap to match) that tie directly to the audio content • Quiz engine supporting multiple-choice, fill-in-the-blank, and picture-based prompts, with real-...

    €96 Average bid
    €96 Oferta mesatare
    52 ofertat

    ...it has to be, but polished enough to feel professional. Core workflow • Patients open the app, review each doctor’s profile (photo, specialty, brief bio, available hours). • They pick an open slot and confirm the booking. • A push notification reminds them as the appointment approaches. That’s the heart of it. I am open to your preferred stack, yet an Android-native build in Kotlin or Java via Android Studio will likely keep things straightforward. If you already have experience wiring notifications through Firebase Cloud Messaging—or a comparable service—please mention it. Deliverables 1. Full Android source code with clear project structure. 2. Debuggable APK for testing and a signed release build. 3. Short hand-off guide ...

    €9 / hr Average bid
    €9 / hr Oferta mesatare
    19 ofertat
    background service to record audio -- 2
    5 ditë left
    Të verifikuara

    need to record audio, save the file after 2 minutes, create new file, save the file after 2 minutes and so on. must run only in background. need to use Android Studio and Java. Not Kotlin

    €2 / hr Average bid
    €2 / hr Oferta mesatare
    13 ofertat

    Busco builders para mi servidor de Minecraft (Java/Bedrock). Se valoran personas comprometidas, activas, con buena comunicación y actitud madura. El trabajo incluye la construcción de interiores de casas, un castillo y la remodelación del lobby. Se ofrece un pago inicial de 10$ mensuales. Si el trabajo destaca por su calidad y rapidez, existe la posibilidad de aumentar la remuneración.

    €17 Average bid
    €17 Oferta mesatare
    1 ofertat

    ...═══ 1. Create 2 sites in CloudPanel: - → STATIC (React build) - → Node.js (backend + WebSocket) 2. Install PostgreSQL, create DB and user 3. Apply Prisma migrations (schema ready) + run FTS setup SQL 4. Run backend with PM2, configure auto-restart on reboot 5. Configure Nginx reverse proxy (via CloudPanel UI) — WebSocket support REQUIRED 6. Issue Let's Encrypt SSL for both domains 7. Add A records on Cloudflare for api subdomain 8. Production .env config (DATABASE_URL, JWT_SECRET, SMTP, FRONTEND_ORIGIN) 9. Configure CORS / WIDGET_ORIGINS correctly 10. End-to-end testing: - Admin login - New site registration - Widget loading on a test client site - Real-time messaging - Email delivery 11. Simple daily backup script (pg_du...

    €19 Average bid
    €19 Oferta mesatare
    60 ofertat
    Oracle Flexcube REST API Automation
    5 ditë left
    Të verifikuara

    ...birth, ID numbers, etc.) has to be filled. Basic validation—presence checks and simple format rules—is sufficient; anything more can stay out of scope for now. • The end result should feel native: once the API call succeeds, the user sees the customer screen with every mapped field in place and can immediately continue the usual onboarding process. Deliverables I expect: 1. Integration code (Java / PL-SQL wrapper or preferred Flexcube extension) committed to a Git repository. 2. Mapping document that shows each JSON field and its corresponding Flexcube column. 3. Simple test script or Postman collection proving the end-to-end flow. 4. Brief deployment notes so our ops team can move it from UAT to production without a hitch. If you’ve worked wi...

    €903 Average bid
    €903 Oferta mesatare
    88 ofertat

    ...comprehensive learning platform designed for beginners starting from age 8, as well as students with no prior technical background. The goal is to make complex concepts simple, interactive, and enjoyable to learn. Scope of Work: Create structured video tutorial series for one or more of the following technologies: HTML, CSS, JavaScript, jQuery PHP, MySQL, WordPress React, Angular, Node.js C, C++, Java Oracle, PostgreSQL, MongoDB React Native, Android Development Other relevant programming technologies Key Requirements: Ability to explain concepts in a simple, clear, and beginner-friendly manner Content should be suitable for young learners (8+ years) and absolute beginners Step-by-step teaching approach with real-world examples and practical demonstrations Use of visual aids,...

    €8 Average bid
    €8 Oferta mesatare
    13 ofertat

    ...videos, draft thumbnails or descriptions, and keep an eye on comments and revenue without leaving the app. A clean Material-you interface, smooth performance on the latest Android releases, and Play-Store-ready compliance are all must-haves. For this first engagement I’m looking for a developer who can: • translate the concept into a solid feature roadmap, • build the Android app in either Kotlin or Java (your preference), • integrate the necessary YouTube OAuth flow and API endpoints, • deliver well-commented source code, an installable APK, and brief setup documentation. The work will be considered complete once the source compiles without errors, the main dashboard successfully pulls a user’s channel analytics, and the basic upload/schedule fu...

    €253 Average bid
    €253 Oferta mesatare
    49 ofertat

    ...screen reader) is active. Here is what I expect: • Add or correct contentDescription attributes, accessibility labels and hints so that controls are spoken in a logical order. • Ensure state changes—errors, success messages, toggles—are conveyed via accessibility events without relying on visual cues alone. • Keep visual layout untouched; all work should sit cleanly in the XML and Kotlin/Java layers. • Provide a short video or emulator capture showing TalkBack reading through a typical form flow, plus the updated source files or a merge request. If you regularly validate with TalkBack, Accessibility Scanner or Espresso accessibility tests, this will be a straightforward engagement. Let me know the Android versions you usually test aga...

    €221 Average bid
    €221 Oferta mesatare
    17 ofertat

    I maintain a Java-based backend that exposes a small REST interface for sensor and other device data. A few legacy issues are breaking current GET and POST calls and I also need several new endpoints added. Each confirmed bug you resolve is paid at ₹1,200, and the same rate applies if you prefer to log time hourly instead. Scope • Diagnose and fix existing errors in the REST layer, services, or related model classes. • Add clean, well-documented GET and POST endpoints so devices can reliably push data and consumers can pull it back. • Ensure responses follow our current JSON schema and return the correct HTTP status codes. • Provide concise unit or integration tests that demonstrate each fix or new endpoint working end-to-end. Acceptance criteria A pu...

    €204 Average bid
    €204 Oferta mesatare
    65 ofertat

    I’m rolling out a new feature that touches both ends of our stack. On the backend we run Java 21 with Spring Boot micro-services, alongside a small Node.js/Python layer that exchanges events through Kafka. The frontend is split between an older Angular module and a newer React interface. The job is to design and code the complete feature, wiring it cleanly into every affected service and UI surface. You will: • Extend (or create) the relevant Spring Boot endpoints, making sure they publish and consume the right Kafka topics. • Update the Angular dashboard and the React SPA so the user experience is seamless across both frameworks. • Keep code idiomatic, unit-tested, and pushed to our Git repo via pull requests. Acceptance criteria • All API tests p...

    €12 / hr Average bid
    €12 / hr Oferta mesatare
    140 ofertat

    I am putting together a full-featured wellness application for Android that mirrors the experience of HealthifyMe, but focused on my own brand and feature set. The core of the build revolves around live tracking linked to three pillars: calorie tracking, detailed exercise logging, and personal...with live update capability • Scalable backend with documented API endpoints and basic admin access • Source code, build instructions, and a short hand-off walkthrough Acceptance criteria: each listed module must store data locally when offline, sync seamlessly when a connection returns, and maintain <1 s latency on messaging under typical loads. If this aligns with your expertise in Kotlin/Java, real-time databases, and fitness-oriented UX, I’m ready to review your...

    €1003 Average bid
    €1003 Oferta mesatare
    65 ofertat

    I’m creating an online store for cosmetic products and want the codebase to feel as professional as anything you would ship to production. The backend must be written in Java with Spring Boot, exposed through well-structured REST endpoints, and persist data in MySQL. On the client side I only need a clean, responsive interface built with plain HTML, CSS and vanilla JavaScript—no heavy frameworks—so that the focus stays on clear architecture rather than flashy UI libraries. Core features I expect: • Role-based authentication for Admin and Customer accounts, supporting registration, login and logout with secure password storage. • Admin dashboards to add, edit and retire products, plus view basic order information. • Customer-facing catalogue with...

    €154 Average bid
    €154 Oferta mesatare
    180 ofertat

    I’m expanding several engineering teams for top-tier MNCs and rapidly scaling tech start-ups and need skilled people who can jump in right away. The first seats I must fill are: • Software Developers who are fluent in React, Node, and/or Java. If you can architect front-end components in React, build robust APIs with Node, or craft enterprise-grade services in Java, you’re already on my shortlist. • Data Analysts & Data Engineers able to turn raw data into clean, actionable insights. Solid SQL skills are essential, and if you have experience with Python, Spark, or comparable tooling, that will be an added advantage. • UI/UX Designers who can translate complex product ideas into polished, user-centric interfaces, balancing aesthetics with ac...

    €34028 Average bid
    €34028 Oferta mesatare
    22 ofertat
    Tablet APK Development & Integration
    4 ditë left
    Të verifikuara

    ...authentication, real-time data synchronisation to our backend, and reliable push notifications. The server side is already live; you’ll consume our REST/JSON endpoints and make the tablet experience fully in step with the web version. Because this is a contract role I need someone who already has at least five years of hands-on APK work under Linux—comfortable with Android Studio, the Android SDK, Kotlin/Java, Git, and typical CI pipelines. You should be able to stand up a clean architecture, guide me on best practices for tablet UI/UX, and hand over production-ready code. Deliverables I’ll sign off on: • Compiled release-grade APK ready for Play Console internal testing • Complete, clean source code in a Git repo with build instructions that wor...

    €511 Average bid
    €511 Oferta mesatare
    11 ofertat

    ...quick-access buttons to the most-used modules. Smooth pull-to-refresh, badge counts, and Firebase push integration should mimic the existing behaviour exactly. 2. Profile – Students and staff need a tabbed layout that presents personal details, attendance records, and grades/performance, all pulled from our current REST endpoints. Data caching, photo upload, and simple edit forms already exist in Java and must be replicated in Dart without losing validation rules. 3. School Contacts & Calendar – For this first sprint I only need the staff directory portion live. Search, role filtering, click-to-call, and email links should work out of the box. The calendar view may stay read-only for now; it simply has to render the same event feed we already expose in JSON....

    €120 Average bid
    €120 Oferta mesatare
    101 ofertat
    Android Mobile App Development
    4 ditë left
    Të verifikuara

    ...Android-only mobile app from concept to Google Play release. The exact domain is still flexible—e-commerce, social networking, productivity, or another category that makes strategic sense—so I’m looking for a developer who can help me shape the idea as well as code it. Here’s what I need from you: • Discovery & wireframing sessions to refine the core feature set • Clean, maintainable Kotlin or Java code that follows Android best practices • A modern UI built with Material Design components • Integration of essential services such as authentication, push notifications, analytics, and in-app purchases when relevant • End-to-end testing, including unit tests and UI tests, with clear test reports • Assistance with ...

    €19 Average bid
    €19 Oferta mesatare
    23 ofertat
    Android App Development Consultation
    4 ditë left
    Të verifikuara

    ...open—whether the final product supports e-commerce, social networking, education, or another category will be decided once we refine the concept together. Key functionality is equally flexible. Depending on the agreed use-case, the build may include fundamentals such as messaging, user profiles, a news feed, or any other feature set that fits the solution. Code should be written in Kotlin or modern Java within Android Studio, follow current Material Design guidelines, and be structured for easy maintenance and future feature expansion. Deliverables • Fully-tested APK and complete source code • Brief technical documentation outlining architecture, key libraries, and build steps • One walkthrough session to hand over the project and address ques...

    €177 Average bid
    €177 Oferta mesatare
    26 ofertat
    All-in-One Android App Build
    4 ditë left
    Të verifikuara

    ...and the practicality of everyday utilities. Think of it as one cohesive product where users can play, chat, share photos, connect with friends, and still reach for built-in tools that make daily life easier. Here is what I already know I need: in-app messaging, seamless photo sharing, and a robust friend-connection system. Because we’re targeting Android only, you’re free to lean into Kotlin or Java and make the most of Google-first services—Firebase for real-time chat and push, Play Games Services for leaderboards or achievements, and any modern Android Jetpack libraries that speed development while keeping the codebase clean. I’ll handle concept art and copy; you’ll take charge of architecture, clean UI/UX, feature implementation, and release-rea...

    €135 Average bid
    €135 Oferta mesatare
    21 ofertat

    We are a cabinet and countertop manufacturer expanding our CNC production workflow and are seeking a reliable freelancer for ongoing commercial projects. The scope includes both submittal drawings a... Budget Structure: We are looking for scalable, production-friendly pricing such as: • Per cabinet • Per linear foot • Or per project with a not-to-exceed range We are not looking for one-off custom pricing. The goal is to establish a long-term relationship with consistent volume and repeatable workflow. Additional Notes: Please include: • Software used • Example work (submittals + CNC files if available) • Typical pricing structure • Availability/capacity We are looking to build a long-term par...

    €601 Average bid
    €601 Oferta mesatare
    27 ofertat
    Java REST API Bug Fixes -- 2
    4 ditë left
    Të verifikuara

    I maintain a Java-based backend that exposes a small REST interface for sensor and other device data. A few legacy issues are breaking current GET and POST calls and I also need several new endpoints added. Each confirmed bug you resolve is paid at ₹1,200, and the same rate applies if you prefer to log time hourly instead. Scope • Diagnose and fix existing errors in the REST layer, services, or related model classes. • Add clean, well-documented GET and POST endpoints so devices can reliably push data and consumers can pull it back. • Ensure responses follow our current JSON schema and return the correct HTTP status codes. • Provide concise unit or integration tests that demonstrate each fix or new endpoint working end-to-end. Acceptance criteria A pu...

    €5 / hr Average bid
    €5 / hr Oferta mesatare
    47 ofertat

    I maintain a Java-based backend that exposes a small REST interface for sensor and other device data. A few legacy issues are breaking current GET and POST calls and I also need several new endpoints added. Each confirmed bug you resolve is paid at ₹1,200, and the same rate applies if you prefer to log time hourly instead. Scope • Diagnose and fix existing errors in the REST layer, services, or related model classes. • Add clean, well-documented GET and POST endpoints so devices can reliably push data and consumers can pull it back. • Ensure responses follow our current JSON schema and return the correct HTTP status codes. • Provide concise unit or integration tests that demonstrate each fix or new endpoint working end-to-end. Acceptance criteria A pu...

    €5 / hr Average bid
    €5 / hr Oferta mesatare
    18 ofertat

    Saya sedang mencari seseorang yang fokus pada pengembangan aplikasi, khususnya untuk platform Android. Saya membutuhkan sebuah aplikasi yang stabil, mudah digunakan, serta dapat dikembangkan lebih lanjut di kemudian hari. ...uji coba di Google Play Console/internal testing. Kriteria keberhasilan: • Kode bersih, modular, dan mudah dipelihara. • Kompatibilitas dengan versi Android terbaru dan minimal versi 8 (Oreo). • Dokumentasi singkat tentang cara build dan menjalankan proyek. Saya menghargai komunikasi terbuka dan tanggung jawab penuh terhadap setiap tahap pekerjaan. Jika Anda terbiasa menggunakan Kotlin/Java, Android Studio, dan mengikuti praktik terbaik (MVVM, Jetpack, atau yang setara), silakan ajukan penawaran beserta contoh aplikasi serupa yang pe...

    €61565 Average bid
    €61565 Oferta mesatare
    25 ofertat

    ...require a complete testing strategy. I need both manual exploratory passes and a solid automated regression pack to ensure every release ships with confidence. Here is what I’m expecting: • Manual coverage first, documenting test cases and edge scenarios that cannot yet be automated. • Automated suites written in Selenium for the web layer, Appium for iOS / Android builds, and JUnit for our Java-based desktop client. • Clear, human-readable reports and logs integrated into our existing CI pipeline (GitHub Actions). • A short hand-off session so my dev team can run and maintain the scripts without you. Acceptance criteria: 1. All critical user flows on every platform are covered by automated checks. 2. Failed test results surface in CI with act...

    €8 / hr Average bid
    €8 / hr Oferta mesatare
    25 ofertat

    ...play the instrumental track while scrolling the timed lyrics on-screen • let the singer record both audio and video of their performance, saving locally and shareable from within the app • generate a simple score at the end of each song so users can track improvements over time All screens should follow modern Material 3 guidelines and run smoothly on Android 10+. Kotlin is preferred, but Java is acceptable. I will provide the initial batch of instrumental tracks and timed-lyric files; please structure the project so that additional songs can be added later by dropping them into the correct folders or updating a small JSON manifest. Deliverables: 1. Play-store-ready APK and signed AAB 2. Clean, well-commented source code in a private Git repo 3. Brief READ...

    €377 Average bid
    €377 Oferta mesatare
    76 ofertat

    I'm looking for a skilled developer to create a desktop income tax calculator. Requirements: - Compatibility: Desktop only - Features: - Tax savings tips - Detailed breakdown by category - Export to PDF Ideal Skills: - Proficiency in desktop application development - Experience with financial software tools - Strong UI/UX design skills for user-friendly interfaces - Expertise...desktop income tax calculator. Requirements: - Compatibility: Desktop only - Features: - Tax savings tips - Detailed breakdown by category - Export to PDF Ideal Skills: - Proficiency in desktop application development - Experience with financial software tools - Strong UI/UX design skills for user-friendly interfaces - Expertise in at least one of the preferred programming languages: Python, ...

    €117 Average bid
    €117 Oferta mesatare
    52 ofertat
    background service to record audio
    3 ditë left
    Të verifikuara

    need to record audio, save the file after 2 minutes, create new file, save the file after 2 minutes and so on. must run only in background. need to use Android Studio and Java. Not Kotlin

    €2 / hr Average bid
    €2 / hr Oferta mesatare
    11 ofertat

    ... and assign co-moderators. A simple dashboard or in-room toolbar is fine as long as the workflow is intuitive. We can start with this focused feature set—group voice channels plus admin moderation—and keep the codebase modular so we can layer in extras like private messages, file sharing, or end-to-end encryption later if the roadmap calls for it. Preferred stack • Native Android (Kotlin or Java) using WebRTC, Agora, or a comparable real-time audio SDK • Lightweight back-end (Firebase, Node, or another cloud service) for user auth and room state Deliverables - APK and Play-Store-ready bundle - Full source code with README covering build steps, third-party services, and admin feature implementation - Brief test report showing successful multi-d...

    €1207 Average bid
    €1207 Oferta mesatare
    222 ofertat

    ...of expertise needs to balance specific technical "must-haves" with the actual project goals. Here is how you can organize that text for maximum clarity: ### Full-Stack Architect (Java/Spring & Angular/Micro-Frontends) ### 2. Role Overview We are looking for an SME to lead the design and optimization of a high-performance agent application. You will be responsible for end-to-end architecture, from UI patterns to microservices and cloud deployment. ### 3. Core Technical Stack Organize your requirements into logical categories so experts can quickly see if they fit. * **Backend & Cloud:** Java/J2EE, Spring, Hibernate, Oracle DB, and Microservices. * **Infrastructure:** Expertise in ECS, Kubernetes, and OpenShift. * **Data & Performance:** Elastic S...

    €8 / hr Average bid
    €8 / hr Oferta mesatare
    77 ofertat
    Launcher Android TV con VPN
    3 ditë left
    Të verifikuara

    ...opción de modo kiosco, de modo que el sistema impida salir del entorno sin autenticación. Quiero gestionar las listas negras y blancas desde una plataforma web sencilla que se comunique con el dispositivo, aunque mantengo la mente abierta a otras alternativas si simplifican el mantenimiento. Entrego la interfaz de diseño básica; necesito que desarrolles: 1. Código fuente bien documentado (Kotlin o Java). 2. APK instalable listo para pruebas. 3. Instrucciones para compilar y firmar. 4. Módulo VPN con reglas de filtrado dinámicas. 5. Consola web mínima para altas, bajas y edición de dominios/sitios/IPs, enlazada con el launcher. Valoraré experiencia previa en Android TV, VpnService, modo kiosco y ov...

    €157 Average bid
    €157 Oferta mesatare
    55 ofertat
    Android Offer Wall Rewards App
    3 ditë left
    Të verifikuara

    ...earning channels—completed surveys, rewarded ads, and verified in-app purchases—and shows the live balance on every screen. • User profile management with secure sign-in (e-mail, Google, or similar), avatar, and a running history of earned points. All data must sync to the cloud so users keep their balance if they reinstall. Preferred stack Native Android (Android Studio). Kotlin is ideal, Java is fine. You can propose Firebase, Supabase, or another lightweight backend as long as authentication, realtime updates, and basic analytics are covered. Deliverables 1. Full, well-commented source code and Android Studio project 2. Debug and release APKs ready for Play Store testing 3. Brief setup guide so I can swap ad networks or survey providers later 4...

    €125 Average bid
    €125 Oferta mesatare
    35 ofertat

    Saya sedang mencari seseorang yang fokus pada pengembangan aplikasi, khususnya untuk platform Android. Saya membutuhkan sebuah aplikasi yang stabil, mudah digunakan, serta dapat dikembangkan lebih lanjut di kemudian hari. ...uji coba di Google Play Console/internal testing. Kriteria keberhasilan: • Kode bersih, modular, dan mudah dipelihara. • Kompatibilitas dengan versi Android terbaru dan minimal versi 8 (Oreo). • Dokumentasi singkat tentang cara build dan menjalankan proyek. Saya menghargai komunikasi terbuka dan tanggung jawab penuh terhadap setiap tahap pekerjaan. Jika Anda terbiasa menggunakan Kotlin/Java, Android Studio, dan mengikuti praktik terbaik (MVVM, Jetpack, atau yang setara), silakan ajukan penawaran beserta contoh aplikasi serupa yang pe...

    €15 / hr Average bid
    €15 / hr Oferta mesatare
    40 ofertat

    ...the hood, please wire up a solid Postfix/Dovecot combination with SPF, DKIM, and DMARC so outgoing mail lands in the inbox and not spam. Deliverables • Latest LTS Ubuntu installed, updated, and secured (UFW and basic hardening) • Webmin/Virtualmin configured over HTTPS, ready for virtual-host creation • Web stack (Apache or Nginx, PHP-FPM, MariaDB/MySQL) tuned for performance • Let’s Encrypt SSL auto-renewal for all future domains • Email server set up with SMTP, IMAP/POP3, Roundcube or Cosmos (or your proposed alternative) plus SPF, DKIM, DMARC records tested • SFTP access, fail2ban, and automated off-site backups configured • Clear handover notes covering every major step, admin passwords, and DNS entries to add on my regi...

    €100 Average bid
    €100 Oferta mesatare
    47 ofertat