Java jobs

...Wire up banner, video and interstitial ads so they display and track correctly. • Complete the remaining API endpoints that link the website to the central database, then write clear, developer-friendly documentation for them. • Refactor the existing Java and PHP code so the new API calls, wallet functions, recharge/payment gateway, subscription package management, CRM member tools, and illegal short-link controls run smoothly from the same backend interface. To succeed you’ll need solid PostgreSQL and MySQL skills plus fluency in both Java and PHP. I already have short-link creation, access tracking, data export and a basic member dashboard in place; your work will elevate these pieces and make daily site-to-database tasks seamless. Please outline ...

I need a single software tool built for Windows that brings together modules written in C#, Java, JavaScript (with Node.js), and Python. Each language already plays a specific role in my current workflow, but everything now lives in separate scripts. The goal of this project is to consolidate that functionality under one cohesive interface so the user experience feels like a unified application, even though different runtimes sit behind the scenes. Here is what I have in mind: • C# and Java components handle performance-critical routines and existing libraries I can’t easily replace. • Node.js and browser-side JavaScript power a lightweight GUI/dashboard. • Python remains in charge of data preparation and quick scripting tasks. Your job is to a...

...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 tweak endpoints and storage paths • A brief README explaining permissions, build steps, and how to enable or disable specific modules I expect reliable background operation, efficient use of resources, and accurate, timestamped logs for screen, audio, and keystrokes. If you have experience bypassing aggressive battery optimizations and ...

I am updating an existing Java-based platform and need a U.S.-native engineer who can speak and write English effortlessly. The core assignment centers on machine learning: preparing data, training models, and wiring those models back into our Java codebase. A solid, mid-level track record in AI engineering is essential—I need someone who can own features without constant oversight yet is still open to collaborating on design choices. You will also be my in-house “Claude” expert. We rely on Anthropic’s Claude models for code generation and automated review, so prior hands-on experience prompting or integrating Claude via its API will help you ramp up quickly. Key deliverables • Clean, well-documented Java modules that expose the required ...

I need an Android developer to build a modern social networking mobile application. • Android app development using Kotlin or Java • User registration and login with Email, Phone and Google Sign-In • User profiles and profile management • Social media feed with posts • Photo and short video upload • Likes and comments • Push notifications for likes, comments and messages • In-app private messaging/chat • Firebase or another scalable backend • Cloud database and storage • Basic analytics and crash reporting • Clean architecture using MVVM/Clean Architecture and Jetpack • Complete Android Studio source code • Release-ready APK/AAB and basic Google Play publishing assets The app should have a modern, intuitive UI a...

...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. Tech expectations Android Studio with Kotlin (or Java if you have a compelling reason), REST or WebSocket for live data, any robust SQL/NoSQL backend you are comfortable maintaining, and solid security practices for user data and payment flow. Deliverables 1. Compiled APK ready for Play-store compliant release 2. Source code with clear comments and build instructions 3. Deployed admin panel and landing pa...

...I’m comfortable letting the person who takes on this role propose the most efficient channel for reporting and tracking tasks—email, ticket tool, chat, or whatever you prefer—so long as it keeps communication clear. What matters most is quick turnaround, clean Git commits, and solutions that don’t introduce new surprises. You should already be fluent in: • Angular (latest LTS) • Spring Boot / Java • MySQL administration and performance tuning Typical deliverables: 1. Fixed and tested code pushed to the repo with a concise change log. 2. An informal deployment or rollback guide when relevant. 3. A short summary of what was done and why. If you’re comfortable jumping into an existing codebase, keeping dependencies up to dat...

... 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 milestone • Functional chat screen that sends and receives text, images, and video clips in real time. • Simple sign-up / login (Google or email) with s...

...commercial rights. 1. AI/ML: AI-Powered Early Disease Prediction and Healthcare Assistant Portal (Python, Flask/Streamlit, MySQL/Kaggle dataset). 2. Retail / ERP Module • Built on the MERN stack. • Should cover POS operations, inventory tracking and invoice generation out of the box. 3. Cybersecurity/Cloud: Secure Cloud File Storage System Using Cryptography & OTP Verification (Python or Java, AWS S3/Firebase). Deliverables • Clean, fully documented source code with rights to re-sell or embed in other client solutions. • Database schemas, deployment scripts and architecture diagrams in Markdown ( preferred). • A brief live screenshare to walk me through setup, key design decisions and usage before I release the final milesto...

I’m looking to bring an experienced full-stack engineer on board to drive both our web and mobile initiatives. The server side of the platform is written in Java 17, while the client side for our mobile offering relies on React Native. You will be hands-on across the stack, shaping new functionality as well as keeping our existing code robust and performant. Below is a concise view of the core expectations (the full job description is attached for deeper detail). • Developing new features that span Java 17 services through to React Native interfaces • Maintaining and refactoring the existing codebase for stability, scalability and speed • Providing technical leadership and mentoring to mid-level and junior developers You’ll collaborate closely wi...

...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 fr...

I’m looking for an experienced LibreBase developer, who communicates well in English, who will work with me on an on-going hourly basis to enhance my DB application. I am looking for someone who can teach and guide me in adding buttons, building queries, developing small macros, etc., a...DB application consists of a single LibreBase form with numerous fields, some buttons and checkboxes tied to three cascading tables. The top table is linked to a second table, that is tied to a third table. The second and third tables have a one-to-many record relationship to the previous/higher table. I’m currently running LibreOffice version (AARCH64) on a Mac under MacOS 15.6.1. Java is Oracle 23.0.1. I’m using LibreBase’s built in DB engine (HSQLDB). All macros a...

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...

...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 code in Android Studio (Kotlin preferred, Java acceptable). Nice-to-have (not mandatory): hooks for future cloud storage integration or on-device encryption. If you can architect the code with extensibility in mind, note that in your proposal. I will provide a simple wireframe and app icon. I’m looking for clean code, concise comments, and a short walkthrough of how to add future features. ...

I need a full-fledged Hospital Information Management System built to Indian standards. Core functionality must cover patient record management, appointment scheduling, and integrated billing & invoicing, and the same codebase has to run smoothly in both clinics and multi-specialty ho...application with source code • Installation package or container images for clinic and hospital instances • Technical & user documentation • Post-launch support plan (bug fixes, minor enhancements) I will approve the project after a live walkthrough on my test server and a brief code review. Please outline similar Indian healthcare projects you’ve handled, the stack you prefer (PHP/Laravel, .NET, Java Spring, Node, etc.), and the realistic timeframe to get a produc...

...enterprise platforms. • Develop technical standards, design patterns, and governance practices. • Support application modernization and cloud adoption initiatives. Oracle Utilities Development & Integration • Work extensively with Oracle CC&B, CCS, C2M, and MDM platforms. • Design and develop solutions for Market Transaction Management (MTM). • Develop and customize Oracle Utilities components using Java, Groovy, SQL, and HQL2SQL. • Design and implement integrations with external, third-party, and government systems. • Support CRM, Payment, Billing, Metering, and Customer Operations functions. • Lead API and web service integration initiatives. Workflow Automation & Operational Excellence (Enhanced) • Design and implement w...

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 co...

...refinement, technical design, coding or platform configuration, integration with existing data sources, data migration, user acceptance testing, and final roll-out. An intuitive web interface, role-based security, audit trails, and real-time reporting dashboards are mandatory. If you prefer working with a proven framework such as Odoo, ERPNext, Microsoft Dynamics, SAP B1, or a custom stack in Python, Java, or .NET, please describe your approach and timeline. Final deliverables are: 1. A production-ready ERP instance running on our cloud or on-prem server 2. Full source code / configuration scripts 3. Documentation for administrators and end users 4. Training sessions for the Finance, Operations, and Human Resources departments 5. Post-deployment support for stabilisatio...

I’m working on a database-centric project that touches several parts of our tech stack, and I’d like a hand tightening everything up. The core of the work is MySQL—designing tables, refining queries, and making sure data flows smoothly—but the surrounding codebase is written in Java, Python, C++, C#, JavaScript, HTML, and a little Assembly for low-level routines. Here’s what I need: • Review and optimise the current MySQL schema, indexes, and stored procedures. • Write or clean up data-access layers in Java and Python, with light C++/C# bindings where needed. • Build small JavaScript/HTML utilities that visualise or test the data endpoints. • Ensure each language layer stays in sync after the database changes (compi...

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/SM...

...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, database design, and any real-time services (Firebase, , or your recommended stack) should be implemented so the app scales cleanly from an MVP to thousands of active users. Clean, well-documented Kotlin or Java code, responsive layouts for common screen sizes, and concise API documentation are part of the final hand-off. Test builds should be supplied throughout the development cycle so features can be reviewed in context....

...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-lock handling • location updates / sensors • network polling intervals • WorkManager / JobScheduler usage ...

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&rs...

...automation solution with a clean, easy-to-use dashboard for managing settings and workflows that is targeted to purchasing concert tickets. The ideal solution should be fast, stable, and configurable, allowing me to manage profiles, timing settings, and workflow options without modifying code. Skills that are required, but not limited to: JS, Node.JS, Puppeteer, Tampermonkey, Python, C/C#/C++, Golang, Java, Ruby. Key Requirements: User-friendly dashboard and/or settings panel Configurable profiles and workflow management Support for multiple accounts and settings configurations Well-structured, maintainable source code Documentation for setup and future updates Before Final Delivery, I'd like to see: A working dashboard demonstration showing how settings, profiles, and...

I am looking for a freelancer to help me prepare for Java and React interviews. The focus will be on identifying key topics, providing guidance on technical questions, and offering tips for effective preparation. The ideal freelancer should have expertise in Java and React, as well as experience in interview coaching or preparation. Also need guidance to prepare for particular topics and questions related to those topics. Need topic-wise preparation and interview guidance for each topic.

I need a complete Android application built for my Besufkad concept. The scope is end-to-end mobi...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 agr...

I’m extending an existing Spring Boot web application and need a solid Java backend developer to craft a brand-new REST feature. The focus is the API layer: creating endpoints that let clients both fetch and submit data. All logic must respect clean Core-Java OOP principles, integrate smoothly with a MySQL database, and expose predictable JSON responses over HTTP. Here’s what the work involves: • Design and implement the new endpoints in Spring Boot, wiring them through controller, service, and repository layers. • Map the required tables or queries in MyBatis/JPA (whichever you prefer) so data retrieval and insertion remain performant and secure. • Write unit and integration tests, mocking dependencies where appropriate, and run end-to-end te...

... 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 that speeds things up. • Source code written in Kotlin or Java inside an Android Studio project, complete with build/gradle files and clear setup instructions so I can open and extend the project myself. • An installable APK for quick testing on physical devices. I’m happy to hear your thoughts on UI refinements, architecture patterns (MVVM, clean architecture, etc.) and any libraries you’d like to incorpo...

I'm looking for an experienced Minecraft developer to help me bring back the original factions on Java Edition. The project needs to be completed within a month. Key Requirements: - Set up a dedicated server for the OG factions. - Create and configure factions plugins to replicate the original gameplay. - Ensure compatibility with the latest Java Edition updates. - Design a user-friendly interface for faction management. - Implement security measures to prevent cheating and exploits. - Provide documentation for server management and player guidelines. Ideal Skills: - Proficiency in Minecraft server setup and management. - Experience with Java Edition plugins and customization. - Strong understanding of faction gameplay mechanics. - Good documentation and communi...

...Pages installed on my cPanel 3. Full Source Code (Android + Admin) with Database IMPORTANT - READ BEFORE BIDDING: 1. Must have done similar Wallet/Fintech/Recharge App before. Share Play Store links in proposal. 2. Budget: Fixed Price. Project will be done in 3 Milestones on Freelancer only. No advance outside Freelancer. 3. Timeline: 20-25 Days Max. 4. Tech Stack Preferred: Android Native (Java/Kotlin) or Flutter + PHP/Laravel Backend. No WordPress. If you have not done Razorpay + Instantpay integration before, please don't bid....

I’m ready to bring a new social-networking experience to Android and need a developer who can take the idea from concept to Play-Store-ready release. The app will revolve around creating profiles, posting updates, following friends, and receiving real-time notifications—core features users expect in a modern network. You’ll handle the full Android stack: clean Kotlin (or Java if you prefer), intuitive XML/Jetpack Compose layouts, secure Firebase or comparable real-time back-end integration, and solid authentication. I’ll supply wireframes and branding assets; you’ll translate them into a smooth, responsive UI and build in analytics so we can track user engagement from day one. Deliverables: • Complete, well-commented Android Studio project and ...

I’m creating a social networking experience built exclusively for Android users. The core of the app is fast, reliable messaging paired with smooth, high-quality photo sharing. I have the UI wireframes and a clear user flow; what I need now is a developer who can turn this concept into a polished, production-ready APK. Scope of work • Build the complete Android app (Kotlin or Java) following Material Design guidelines. • Implement real-time text and multimedia messaging with push notifications. • Integrate a photo picker, in-app camera access, and cloud storage so users can share images instantly without compression loss. • Set up secure user authentication (email, Google, or phone) and scalable Firebase/Firestore back-end. • Create profile pa...

I need a complete Android application built for my Besufkad concept. The scope is end-to-end mobi...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 agr...

...demos and transparent documentation, ensuring you can report confidently to the client. • Profit-sharing or fixed referral fees are open for discussion so the arrangement feels fair on both sides. I’m comfortable stepping into projects at any stage—green-field builds, legacy refactors, performance tuning, or ongoing maintenance. Tech stack flexibility is key for me; whether your client prefers Java, Python, C#, or something else entirely, we can assign specialists accordingly. If this sounds like the kind of partnership that could expand both our businesses, send over: 1. A brief intro about the type of clients or industries you usually interact with. 2. Any past software projects you’ve facilitated or delivered. 3. Your preferred engagement model ...

I need a clean, reliable Android utility app built from the ground up. The focus is strictly on the Android platform, so your experience with Android Studio, Kotlin or Java, and the standard Android SDK will be essential. Core requirements • Design and develop a fully functional utility/tool that solves a simple everyday problem (for example, a file organizer, quick-note widget, battery saver, or similar). • Modern UI that follows current Material Design guidelines. • Smooth performance across current Android versions and screen sizes. • Local data storage where appropriate (Room, SharedPreferences, or lightweight database). • Basic onboarding/tutorial screens to explain key features on first launch. Deliverables 1. Source code with clear, ...

...Wallets. Please integrate a reliable Indian payment gateway and include transaction logs in the admin dashboard. Admin side A separate web-based admin panel should let me: • Post and close markets, adjust odds and declare results. • View player lists, balances, deposits and withdrawals. • Send broadcast notifications and manage app banners. Deliverables 1. Android source code (Kotlin or Java) with clean architecture. 2. Backend APIs, database schema and deployment guide. 3. Web admin panel with credentials. 4. Signed APK/AAB ready for Play Store upload. 5. Brief hand-off session plus 30 days post-launch bug support. If you have built Mataka App real-money gaming or betting apps before, showcase them—speed and compliance are essential her...

I am building an e-commerce webpage in Java focused solely on selling services rather than physical or digital goods. The platform has to feel seamless to a client who lands, chooses a service, books a time slot, pays, and leaves feedback—all in one visit. The three cornerstones of the build are: • Booking system – real-time availability, calendar view, and confirmation emails. • Secure payment gateway integration – Stripe, PayPal, or a comparable Java-friendly API, with SSL and clear error handling. • Customer reviews – star ratings and text comments tied to each service, stored and displayed in a way that is search-engine friendly. Tech stack choices remain flexible, but a modern Java backend (Spring Boot, Jakarta EE, or s...

...build this from scratch—we want to buy a battle-tested, functional code baseline. Core System Architecture Requirements: 1. IoT Protocols & Hardware Ingestion: MQTT, HTTP/HTTPS APIs, TCP/UDP sockets supporting standard GPS hardware and Modbus RS480/485 digital fuel level probes/ultrasonic sensors. 2. Backend: Scalable microservices or modular architecture (e.g., Node.js, Python/FastAPI, Go, or Java/Spring Boot) using PostgreSQL/TimescaleDB or InfluxDB for time-series telemetry data. 3. Frontend: Modern, responsive dashboard (e.g., React.js, Vue.js, or Angular) optimized for multi-tenant SaaS management. 4. Mobile Apps: Cross-platform or native apps (Flutter, React Native, Swift, Kotlin) for Android/iOS (Driver & Fleet Manager views). Key Required Features: i. ...

...alliance links (refer to our "About Us" document for design details). The successful bidder can delete unnecessary functions and add necessary ones to the merged database according to requirements, thereby saving costs and time associated with repetitive development. Since the original developers of the website wrote the source code in Java and used a PostgreSQL database, we expect the successful bidder to be a developer familiar with both Java and PostgreSQL. 3. The following functionality should be added when users generate short links: A. Users of this platform must be registered full members. If not registered, a registration page should pop up requiring registration. B. This platform provides a global free short link service, therefore advertising suppor...

...Intelligence, Machine Learning, Automation, Web Development, Application Development, QA/Testing, IT Infrastructure, Technical Support, Business Intelligence, ERP, CRM, and IT Operations. I am open to suitable permanent, contract, freelance, remote, hybrid, and on-site positions based on my skills and experience. My technical skill set includes programming, scripting, software engineering, Python, Java, JavaScript, C, C++, C#, SQL, HTML, CSS, React, Angular, Node.js, APIs, Git, GitHub, Linux, Windows, Microsoft technologies, AWS, Microsoft Azure, Google Cloud, Docker, Kubernetes, CI/CD, Jenkins, Terraform, databases, networking, cybersecurity, cloud infrastructure, monitoring, troubleshooting, automation, data analysis, Power BI, Tableau, Agile, Scrum, DevOps, and IT service mana...

...Intelligence, Machine Learning, Automation, Web Development, Application Development, QA/Testing, IT Infrastructure, Technical Support, Business Intelligence, ERP, CRM, and IT Operations. I am open to suitable permanent, contract, freelance, remote, hybrid, and on-site positions based on my skills and experience. My technical skill set includes programming, scripting, software engineering, Python, Java, JavaScript, C, C++, C#, SQL, HTML, CSS, React, Angular, Node.js, APIs, Git, GitHub, Linux, Windows, Microsoft technologies, AWS, Microsoft Azure, Google Cloud, Docker, Kubernetes, CI/CD, Jenkins, Terraform, databases, networking, cybersecurity, cloud infrastructure, monitoring, troubleshooting, automation, data analysis, Power BI, Tableau, Agile, Scrum, DevOps, and IT service mana...

Full stack Java developer, available in Whitefield Bangalore for monthly Job support, Experience in banking or investment domain. In- depth knowledge and hands-on experience in Java, Spring Framework, REST API, JPA, Hibernate, Unit testing and React / Angular. 7+ years of in-depth knowledge in core Java, spring frameworks, hibernate, SOAP and REST API. 2+ years in designing applications, applying design patterns and principles. Strong experience in spring boot, key annotations and configurations, REST API and development, Microservice principles and implementation. Strong experience in REST Http services design using Swagger/Open API, unit testing and integration testing. Strong experience in frameworks/ modules like Spring Core, Spring MVC, Spring AOP, Spring Batch an...

...development and maintenance of our Android business application on a flexible, month-to-month schedule. Tasks include adding new features, refining existing functionality, fixing bugs, and keeping the codebase aligned with the latest Android SDK guidelines. Source control is handled through Git, releases are built in Android Studio, and most of the core logic is written in Kotlin with a few legacy Java modules that still need occasional attention. To keep progress transparent, I work in two-week sprints and review code through pull requests. A workable arrangement is roughly half-time availability spread across the month, with quick turnaround on critical issues and at least one production-ready build delivered every four weeks. Deliverables each sprint: • Clean, doc...

...previous experience working on:   * Emirates ID OCR * Emirates ID MRZ reading * UAE identity documents * UAE passport/ID document recognition * Government identity document OCR * KYC / identity verification systems   will be given preference.     ## Android Integration   The solution must be suitable for integration into our existing **Android application**.   Preferred experience:   * Android / Java / Kotlin * Camera-based document capture * OpenCV or equivalent image-processing libraries * OCR SDK/API integration * On-device ML/OCR * MRZ parsing and validation   The solution should preferably support **on-device processing** if accuracy and performance are acceptable. Cloud/API-based solutions can also be considered if they provide substa...

...app permission to access their media, and trigger an encrypted upload to the chosen cloud bucket. • Smart search lets them type or speak queries—e.g., “beach trip 2022”—and surface matching files instantly. • In the biography tab, the AI presents a set of questions; as the user responds, it generates and displays a polished life story they can edit or export. Deliverables 1. Android (Kotlin/Java or Flutter/React Native) and iOS (Swift or cross-platform equivalent) builds published to TestFlight/Google Play Internal Testing. 2. Cloud integration: you may propose AWS S3, Firebase Storage, or a comparable reliable solution, with user-level encryption and basic usage metrics. 3. AI components: vector search or other efficient indexing for ...

...source—is ready by Day 7. Scope • Single‐platform focus: Android only. • Core feature for this first release: user authentication via email + password. If things go smoothly, we may add extras such as push notifications or in-app purchases in a follow-up phase. Workflow & Tools I’ll share the Figma link as soon as the wireframe is final. You are free to work in Android Studio (Kotlin or Java) as long as the final build targets current Play Store requirements. Please keep your commits organised so hand-off is clean. Deliverables - Figma-to-code UI implementation that matches the wireframe pixel-perfectly - Secure email/password auth (Firebase Auth or your preferred compliant solution) - Production-ready APK and complete, well-commented sour...

I need guided, hands-on training that will take me from Java basics to practical Selenium automation. At the moment I’m a beginner in both areas: I can compile “Hello World” but want to progress into real-world, object-oriented code and understand how to write, throw, and catch custom exceptions properly. Selenium is brand-new to me, so the journey should quickly move from setting up WebDriver through to writing maintainable test suites. My ideal learning path includes live online sessions several times a week, with each lesson recorded so I can revisit it later. Between sessions I’d like concise practice assignments—small coding challenges or test cases—that give me a chance to apply what was covered. When I submit those exercises, detailed feed...

...level. • App must compile successfully in Android Studio and be suitable for Google Play submission. Important: This is NOT just a basic “URL to APK” conversion. PDF downloading, correct PDF filenames, file upload/camera/gallery picker, Back navigation and exit confirmation must be properly implemented and tested on a real Android device. Deliverables: Complete editable Android Studio source code (Java or Kotlin). Release-ready APK. AAB file for Google Play Store submission. Unsigned/debug build for testing and future development. Simple README explaining how to change the website URL, app name, logo, splash screen and theme colours. App Name: EstiBill Website/Web App: I will provide the live URL after hiring. Brand Assets: EstiBill logo/app icon will be provided...

...have in mind is simple: launch the app, choose the target game session, let the auto-solver recognise the current puzzle state on screen, calculate the optimal moves, and execute them until the level is cleared. Immediately after, if an ad appears, it must locate and tap the “Skip” or “Close” prompt as soon as it becomes active. I would like the solution built natively for Android; Kotlin or Java is fine as long as the final APK performs smoothly on recent versions (Android 11+). If computer-vision libraries such as ML Kit or OpenCV help with board recognition, feel free to use them. Anything that reduces battery or CPU usage is a plus.(tell me if u think another code wold suit Because this is an evolving personal tool, I will want to jump on quick voi...

im looking forward for an android app to auto complete mutiple minigames an an ad skipper has to speak english has to be willing to go on voice chat You’ll be responsible for: • Translating the core idea into a clean, intuitive UI that follows current Android design guidelines. • Writing well-structured Kotlin or Java code that is easy to maintain. • Handling common essentials such as offline handling, simple preference storage, and permission requests. • Packaging a signed, release-ready APK plus source code in a Git repository. I’d like regular progress updates and a quick turnaround on test builds so we can iterate together. If you have examples of previous Android utilities you’ve shipped, please share them—seeing your past wo...