Java is a versatile, object-oriented programming language that is widely used for software development across various industries. Java Developers can help clients create anything from complex web applications to automated trading bots and mobile apps. With their advanced skills and knowledge, they can turn your vision into reality, providing you with tailored solutions that align with your business goals. Here are some recent projects that our expert Java Developers made real:

  • Developing custom GUIs for existing codebases
  • Creating encrypted, secure crypto apps
  • Designing cross-platform audio merging tools for mobile devices
  • Building sophisticated trading bots for the cryptocurrency market
  • Implementing open-source virtual machines in C
  • Collaborating as senior developers on large-scale Android projects
  • Solving server request errors for mobile applications
  • Running and optimizing code from Git repositories
  • Designing and implementing web services for seamless integration

Hiring Java Developers on Freelancer.com gives you access to a global pool of talented professionals who can deliver high-quality solutions tailored to your needs. Our platform makes it easy and convenient to find, hire, and collaborate with skilled Java experts from around the world. So why wait? Bring your ideas to life by posting your own project and hiring a Java Developer on Freelancer.com today!

Kutoka kwa kaguzi 243,706 , wateja wanakadiria yetu Java Developers 4.9 kati ya nyota 5.
Ajiri Java Developers

Java is a versatile, object-oriented programming language that is widely used for software development across various industries. Java Developers can help clients create anything from complex web applications to automated trading bots and mobile apps. With their advanced skills and knowledge, they can turn your vision into reality, providing you with tailored solutions that align with your business goals. Here are some recent projects that our expert Java Developers made real:

  • Developing custom GUIs for existing codebases
  • Creating encrypted, secure crypto apps
  • Designing cross-platform audio merging tools for mobile devices
  • Building sophisticated trading bots for the cryptocurrency market
  • Implementing open-source virtual machines in C
  • Collaborating as senior developers on large-scale Android projects
  • Solving server request errors for mobile applications
  • Running and optimizing code from Git repositories
  • Designing and implementing web services for seamless integration

Hiring Java Developers on Freelancer.com gives you access to a global pool of talented professionals who can deliver high-quality solutions tailored to your needs. Our platform makes it easy and convenient to find, hire, and collaborate with skilled Java experts from around the world. So why wait? Bring your ideas to life by posting your own project and hiring a Java Developer on Freelancer.com today!

Kutoka kwa kaguzi 243,706 , wateja wanakadiria yetu Java Developers 4.9 kati ya nyota 5.
Ajiri Java Developers

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    Jimbo la Kazi
    135 kazi zimepatikana

    I’m building a simple, proof-of-concept social networking app for Android and need a developer who can squeeze maximum value out of a very limited budget. The core of the app is straightforward: • A lightweight email-based sign-up / login flow (Firebase Authentication or a similarly cost-effective solution is fine). • Clean user profiles that allow each friend to add a photo, short bio and basic contact info. • One-to-one and group messaging with text, emoji and image attachments—speed and reliability are more important than fancy extras right now. A scrolling news feed isn’t required at this stage, but I want the architecture kept modular so it can be bolted on later without a full rewrite. Kotlin in Android Studio is preferred for maintainability, t...

    $304 Average bid
    $304 Wastani wa Zabuni
    43 zabuni

    I need a clean, lightweight Android application that showcases every SKU in our pharmaceutical line. The core of the app is a product catalogue where users can: • instantly search any medicine by name • filter results by therapeutic category All product data will be supplied in CSV or JSON (whichever you prefer) and displays should follow our existing brand guide so the transition from web to mobile feels seamless. The second pillar of the project is an in-app AI chatbot. It must handle everyday customer inquiries and intelligently recommend the correct medication based on symptoms or conditions the user types in. No dosage advice is required at this stage, but the model should be built so we can extend it later. You may plug in an established service such as Dialogflow, A...

    $282 Average bid
    $282 Wastani wa Zabuni
    31 zabuni

    I’m looking for a seasoned Android developer to turn my concept into a fully-functioning mobile application. The project is strictly software development with a focus on the Android platform, so you should be comfortable working in Kotlin or Java, following current Google Play guidelines, and integrating common Android SDK components. Once we begin, I will share the complete feature set, wireframes, and any necessary API documentation. Your job will be to translate those requirements into clean, well-tested code, set up a straightforward build process, and prepare the final APK (and source) ready for submission to the Play Store. Deliverables: • Fully documented Android Studio project with all source code • Signed, release-ready APK • Brief setup guide so the app...

    $19 / hr Average bid
    $19 / hr Wastani wa Zabuni
    112 zabuni

    I’m building a simple, proof-of-concept social networking app for Android and need a developer who can squeeze maximum value out of a very limited budget. The core of the app is straightforward: • A lightweight email-based sign-up / login flow (Firebase Authentication or a similarly cost-effective solution is fine). • Clean user profiles that allow each friend to add a photo, short bio and basic contact info. • One-to-one and group messaging with text, emoji and image attachments—speed and reliability are more important than fancy extras right now. A scrolling news feed isn’t required at this stage, but I want the architecture kept modular so it can be bolted on later without a full rewrite. Kotlin in Android Studio is preferred for maintainability, t...

    $282 Average bid
    $282 Wastani wa Zabuni
    34 zabuni

    An AI which can solve math equations

    $11 / hr Average bid
    $11 / hr Wastani wa Zabuni
    12 zabuni

    I need a lightweight chat-style messenger built specifically for Android so I can read incoming messages and send quick replies from the same screen. At this stage I only require the core one-to-one text conversation flow; once that is solid I may extend it to voice notes, file exchange, or group rooms, but those extras are not part of this first milestone. Here is what I expect: • A clean Android Studio project written in Kotlin (Java is fine if you strongly prefer). • Real-time send/receive with message status indicators. You are free to choose Firebase, WebSockets, or any other modern backend you are comfortable with—just keep the setup clear so I can run it locally. • Simple authentication (email/password or phone OTP) so users can log in and start chatting i...

    $7 / hr Average bid
    $7 / hr Wastani wa Zabuni
    48 zabuni

    I’m looking for a practical WhatsApp chatbot that can reliably send at least 2,500 marketing messages each month without triggering WhatsApp’s number-blocking filters. Every outgoing message should merge in the recipient’s first name so it feels personal, and whenever someone writes back the bot must immediately answer with a predefined automated reply. The core goals are straightforward: stable delivery, simple personalisation, and minimal ongoing costs. I don’t need advanced customer-support features or AI conversation flows—just a clean, compliant broadcast tool that keeps my sender number safe and handles basic auto-replies. You’re free to choose the tech stack—Twilio, WhatsApp Business API, or any other approach—so long as it meets the...

    $140 Average bid
    $140 Wastani wa Zabuni
    34 zabuni

    Summary Notice: Please dont apply using Bot. About the Role We are looking for an AI Software Developer to design, build, and deploy AI-powered web applications. This role combines backend and frontend development with AI/LLM integration, enabling the creation of intelligent features and tools for our clients. You’ll work with modern frameworks, cloud services, and LLMs to deliver scalable, production-ready applications. Responsibilities -Develop and maintain scalable backend services using Node.js and TypeScript -Build high-performance frontend applications with React and -Integrate AI/LLM features into applications using Vercel AI SDK or other modern AI tools -Work with APIs (REST, tRPC) for secure, type-safe data exchange -Collaborate with cross-functional teams using Git-base...

    $20 / hr Average bid
    $20 / hr Wastani wa Zabuni
    128 zabuni

    Summary Notice: Please dont apply using Bot. About the Role We are looking for an AI Software Developer to design, build, and deploy AI-powered web applications. This role combines backend and frontend development with AI/LLM integration, enabling the creation of intelligent features and tools for our clients. You’ll work with modern frameworks, cloud services, and LLMs to deliver scalable, production-ready applications. Responsibilities -Develop and maintain scalable backend services using Node.js and TypeScript -Build high-performance frontend applications with React and -Integrate AI/LLM features into applications using Vercel AI SDK or other modern AI tools -Work with APIs (REST, tRPC) for secure, type-safe data exchange -Collaborate with cross-functional teams using Git-base...

    $21 / hr Average bid
    $21 / hr Wastani wa Zabuni
    132 zabuni

    Job Description: I am looking for an experienced developer or team to build 2 Android apps and 1 website for my new startup "Raftar" The Project: 1. RAFTAR USER APP (Android) · For customers to: · Order taxis (with driver selection, tracking, rating) · Order food from restaurants (browse menus, add to cart, checkout) · Book hotels/guesthouses/wedding venues (view rooms with images, book) · Two user types: · HesabPay users (pay digitally via HesabPay wallet) · Cash users (verify with Tazkira/Passport, pay cash) 2. RAFTAR PARTNER APP (Android) · For businesses: · Restaurants (manage menu, receive orders) · Hotels/Guesthouses (manage rooms, receive bookings) · Wedding venues (manage pac...

    $387 Average bid
    $387 Wastani wa Zabuni
    114 zabuni

    About Us We are Happy & Pretty (), a German-based K-Beauty (Korean Cosmetics) eCommerce brand. Small in size (2 persons only) but willing to grow fast. We sell authentic Korean skincare and beauty products to customers primarily in Germany and Europe. We are looking for an (experienced) freelancer to set up an AI Influencer Content System for our brand – with the goal of producing automated, performance-driven video content featuring AI avatars that promote our K-Beauty products on TikTok, Instagram Reels, and YouTube Shorts. If this works well for us, we will scale this system and potentially offer it as a service too. Important: Build & Handover Project This is explicitly a Build & Handover project. Our goal is to learn and take full control of the system after a suc...

    $585 Average bid
    $585 Wastani wa Zabuni
    148 zabuni

    I need an Android app that lets me film a commercial train wagon and, in real time, capture its key data. While the camera is rolling, the app should log the wagon’s details, pull any identification numbers or labels it detects, and give me a quick way to note its visible condition and maintenance status. Think of the smooth, guided workflow used in QCR-style inspections—tap to confirm, swipe to move on—only tuned for rolling stock. As soon as I finish recording, a neatly laid-out A4 PDF must be produced automatically. One wagon per page, with a frame grab of the video, the captured fields already filled, and space left for handwritten or typed comments. The PDF has to save locally and be shareable through the Android share sheet, ready to print without scaling issues. ...

    $77 Average bid
    $77 Wastani wa Zabuni
    8 zabuni
    Mastercard API Payment Integration
    6 siku left
    Dhibitishwa

    I have opened a profile with Mastercard Payment Gateway Services and now need the REST API at wired into my system so the new merchant account is fully operational. The goal is straightforward: accept and manage both credit- and debit-card transactions directly through the gateway and expose the usual lifecycle calls—authorise, capture, refund and recurring—so my application can trigger them programmatically. Here is the exact scope I need covered: • Configure the account credentials and generate the live API keys inside the gateway. • Build the server-side integration using the official Mastercard Payment Gateway (MPGS) REST endpoints for  – one-time payments, – scheduled / recurring payments, and – refund processing. • ...

    $43 Average bid
    $43 Wastani wa Zabuni
    96 zabuni
    iOS & Android App Updates
    6 siku left
    Dhibitishwa

    We are seeking an experienced mobile app developer to update and enhance our existing mobile application, available on Android (Java) and iOS (Swift/Xcode). The app is already live, and we are looking for a skilled developer to implement updates, fix bugs, and ensure smooth cross-platform functionality.

    $113 Average bid
    $113 Wastani wa Zabuni
    125 zabuni

    Tafadhali Jisajili ama Ingia ili kuona maelezo.

    Il'ohusishwa Dharura Imefichwa Makubaliano ya Kutotoa Taarifa

    Project Title: High-Security Ad-Reward & MLM Ecosystem (Native Android + PHP) I’m building a secure mobile platform that combines rewarded ads, a multi-level referral system, and multiple payment wallet integrations. The system must prioritize fraud prevention, financial security, and smooth user experience. Core Features 1. Secure Payment Integrations The platform must support deposits and withdrawals through EasyPaisa, JazzCash, and USDT (TRC-20). The admin panel should allow both automated processing and manual approval for higher-value transactions to maintain security and prevent abuse. 2. Anti-Fraud & Bot Protection Strong protection against fake users and automated activity is essential. This includes Invisible reCAPTCHA v3 to silently filter bots, strict server-s...

    $208 Average bid
    $208 Wastani wa Zabuni
    102 zabuni

    THE ULTIMATE BRAND DESCRIPTION (Anti-Cheat & Multi-Payment) Project Title: Kamyabi Cash: Secure Ad-Reward, MLM & Multi-Wallet Ecosystem 1. Secure Payment Gateways: Withdraw/Deposit: Seamless integration for EasyPaisa, JazzCash, and USDT (TRC-20). Manual & Auto Verification: Admin can manually approve high-value transactions to ensure security. 2. Anti-Cheat & Bot Protection (System Phaar Logic): Google Invisible reCAPTCHA v3: Integration of auto-captcha to block bots without disturbing real users. Ad-Fraud Protection: Strict server-side verification. If a user tries to skip a Google Video Ad or use an auto-clicker, their account will be Permanently Banned automatically. IMEI Locking: One device = One account. No duplicate accounts allowed. 3. Premium Plan & Traffic Con...

    $115 Average bid
    $115 Wastani wa Zabuni
    22 zabuni

    Building a secure, clinic-centric portal on Salesforce Service Cloud is the immediate priority for this life-science programme. The work sits on an existing Service Cloud and Community Cloud foundation and must comply with strict healthcare security and audit requirements. Scope of work • Configure and customise Service Cloud and Experience (Community) Cloud to surface patient-facing and clinic-facing pages behind robust login policies. • Develop Apex-based REST services and call-outs that integrate directly with external health systems; bullet-proof error-handling frameworks are the non-negotiable focus. • Write triggers and service classes that respect Platform Encryption, Field Audit Trail and all CRUD/FLS checks. • Deliver unit tests with >90 % coverage,...

    $22187 Average bid
    $22187 Wastani wa Zabuni
    21 zabuni

    I am putting together a custom agent that plugs directly into an IDE and extends GitHub Copilot’s capabilities for both Python and JavaScript projects. The goal is to have Copilot understand a few project-specific conventions and surface smarter, context-aware suggestions right inside the editor—no separate command-line or web interface, and no extra clicks for the user. Here is what I need help with right now: • Build an IDE-level plugin (VS Code is the first target; guidance for other editors later) that brokers requests between Copilot and my own lightweight rules engine. • Ensure the agent recognises and works smoothly with Python and JavaScript files, returning completions in real time without noticeable latency. • Package the code so it can be install...

    $10 / hr Average bid
    $10 / hr Wastani wa Zabuni
    26 zabuni

    I need the official open-source Java backed of our project deployed, configured, and ready for continuous delivery. The source code is stable; what’s missing is a production-grade environment that handles build, test, and roll-out with minimal manual touch points. And the job you have to do requires experience in the following tasks: Here is the flow I have in mind: 3-VPS hybrid DB with Cassandra/PostgreSQL/Redis, RabbitMQ + WebSockets, Docker, CI/CD, HTTPS endpoint, and APM). 1. Hybrid database approach Distributed Cluster. 2. Containerize the application with Docker and automate builds via Maven or Gradle. 3. Primary Databases for Chat History Cassandra (NoSQL) 4. Secondary Databases PostgreSQL (for users Metadata) on the codebase’s data model. 5. Backed Language: Sp...

    $133 Average bid
    $133 Wastani wa Zabuni
    39 zabuni

    This is a green-field initiative: a single application that must operate seamlessly across web, desktop and mobile. The work begins with a clean sheet of paper and ends with a production-ready release. Scope • Shape the high-level architecture—data models, service boundaries, scalability, security and deployment strategy. • Select and justify the tech stack (e.g., React, Vue, Angular, Flutter, Electron, Node, .NET, Go, or another combination you have proven in production). • Implement the entire solution: front-end UI, back-end APIs, database schema, automated tests and CI/CD pipeline. • Deliver code that is clean, documented and ready for hand-over. Deliverables 1. Architecture blueprint (diagram + written rationale). 2. Source code for web, desktop...

    $3944 Average bid
    $3944 Wastani wa Zabuni
    226 zabuni

    Job Title: Full Stack Developer – Angular 20+ & Spring Boot (Java 17) Experience:- 8+ years of experience in Full Stack Development Working Hours: 2 hours per day Budget: ₹24,000 per month Project Overview We are looking for a skilled Full Stack Developer to support ongoing development activities as part of the current sprint focused on AWS and Azure cloud migration. The candidate will be responsible for contributing to application development, enhancement, and migration-related tasks in a cloud-enabled environment. Key Technical Skills Frontend: Angular 20 Backend: Java 17 Framework: Spring Boot API Development: RESTful Web Services Database: MySQL, PostgreSQL, or equivalent relational databases Cloud Exposure: AWS and/or Azure (preferred) Version control using Git Roles &am...

    $17 Average bid
    $17 Wastani wa Zabuni
    19 zabuni

    I need a clear, professionally-written blueprint that I can hand straight to my developers so they can begin building a cyber-security application. The document must spell out scope, objectives, high-level architecture and phased milestones while keeping two pillars front-and-centre: network security and data security. Key modules to be covered in the scope are user authentication, real-time threat detection and automated vulnerability scanning. For each of these I expect you to describe functionality, recommended technology stacks, integration points, basic data flows and any compliance considerations (e.g. NIST CSF, ISO 27001, OWASP). Diagrams—UML, context or sequence—are important where they add clarity. Please base the structure on industry best-practice documents: exec...

    $175 Average bid
    $175 Wastani wa Zabuni
    35 zabuni

    My React website works fine on mobiles and tablets, yet the desktop view still looks off. On the Home, About and all Product pages I’m seeing broken grid layouts and text that refuses to align where it should. I need a frontend developer who can dive into the existing HTML, CSS and vanilla-JS inside the React components, locate the root causes and ship clean fixes. That means auditing the current media-query strategy, refactoring any brittle grid or flexbox code, and correcting alignment issues so every element snaps into place across common desktop resolutions (Chrome, Firefox, Edge, Safari). Deliverables • Pixel-perfect Home, About and Product pages at ≥1280 px width • Consistent behaviour in the other breakpoints I already support (no regressions on mobile o...

    $13 / hr Average bid
    $13 / hr Wastani wa Zabuni
    218 zabuni

    I’m looking for an engineer who can build a full Android-based operating system for a new line of mobile devices. This goes well beyond theming or app-level tweaks—I need the entire stack compiled, optimized and ready to flash on prototype hardware. Here’s the scope in plain terms • Port and configure the latest stable Android source to our device’s chipset (Qualcomm Snapdragon 7-series). • Integrate all required low-level drivers supplied by the hardware vendor—camera, modem, GPU and power management must work flawlessly. • Apply security hardening at kernel and SELinux levels, keeping Google CTS compliance in mind so we can pass certification later on. • Deliver a clean build environment (AOSP + proprietary blobs) and a reproduci...

    $19 / hr Average bid
    $19 / hr Wastani wa Zabuni
    98 zabuni

    I need an Android-only social networking app built from scratch, complete with a clean material-design interface, user authentication, profile creation, real-time posting, and a basic messaging feed. The core deliverable is a fully functional APK plus readable, well-commented source code that compiles without errors in Android Studio. Please include: • A concise architecture overview (language, libraries, backend choices). • Working prototype APK for iterative testing on physical devices running Android 10+. • Final release build, signed and ready for Play Store submission. Code must follow current Android best practices (Kotlin preferred, Jetpack components, MVVM or similar pattern). I’ll supply my branding assets, colour palette, and any required copy once de...

    $11 / hr Average bid
    $11 / hr Wastani wa Zabuni
    44 zabuni

    I need an experienced developer to code an algorithmic trading strategy for Forex on Interactive Brokers. Key requirements: - Experience with Forex trading - Proficiency in coding for Interactive Brokers - Knowledge of algorithmic trading strategies Ideal skills and experience: - Background in finance and trading - Strong programming skills (Python, Java, or C++) - Familiarity with trading platforms and APIs Please provide relevant work samples and experience.

    $33 / hr Average bid
    $33 / hr Wastani wa Zabuni
    16 zabuni

    I need a lightweight chat-style messenger built specifically for Android so I can read incoming messages and send quick replies from the same screen. At this stage I only require the core one-to-one text conversation flow; once that is solid I may extend it to voice notes, file exchange, or group rooms, but those extras are not part of this first milestone. Here is what I expect: • A clean Android Studio project written in Kotlin (Java is fine if you strongly prefer). • Real-time send/receive with message status indicators. You are free to choose Firebase, WebSockets, or any other modern backend you are comfortable with—just keep the setup clear so I can run it locally. • Simple authentication (email/password or phone OTP) so users can log in and start chatting i...

    $52 / hr Average bid
    $52 / hr Wastani wa Zabuni
    46 zabuni

    I’m putting together a brand-new SaaS product aimed squarely at fellow developers. The front end will be in React (hooks, functional components, TypeScript preferred), the back end in Node with an Express or layer, and everything will be wired to a cloud-hosted database. My goal right now is to move from a rough concept to a working MVP that other engineers can immediately sign up for, explore the API, and give feedback on usability and performance. Core scope • Design and build the entire stack: React UI, Node/Express API, PostgreSQL (or another relational store you’re comfortable with) • Set up CI/CD so every commit auto-deploys to a staging environment (GitHub Actions, Vercel, Render—open to your usual toolchain) • Developer-friendly documentation:...

    $252 Average bid
    $252 Wastani wa Zabuni
    175 zabuni
    Flutter NFC Reader & Broadcaster
    5 siku left
    Dhibitishwa

    I’m building a cross-platform mobile app in Flutter and need help wiring up the NFC layer on each platform. On iOS the job is straightforward: when the user taps an NFC tag, the app should silently read the NDEF text record and present the payload on screen—nothing more, no writing required. Android demands a bit more. Besides reading tags in the same way, the app must also broadcast (beam) an NDEF text message so the IOS phone above or another Android phone can pick it up. A simple UI toggle to switch between “Read” and “Broadcast” modes is enough; the broadcast text can be hard-coded for now so I can change it later in code. Key points • Single Flutter codebase with platform-specific channels only where necessary • Use any well-maintai...

    $547 Average bid
    $547 Wastani wa Zabuni
    214 zabuni

    Saya ingin membangun sebuah aplikasi media sosial khusus untuk platform Android (minimum Android 8.0, API 26). Kerangka alur sudah saya siapkan secara garis besar, namun masih berupa wireframe sederhana yang perlu diubah menjadi aplikasi fungsional. Fitur inti yang saya butuhkan: • Pendaftaran dan login menggunakan email atau akun Google • Feed bergulir berisi teks, foto, dan video pendek • Halaman profil dengan fungsi mengikuti dan berhenti mengikuti pengguna lain • Sistem like, komentar, serta notifikasi push waktu-nyata • Pencarian pengguna dan tagar Kebutuhan teknis: • Kode native Kotlin (lebih diutamakan) atau Java • Backend terintegrasi Firebase (Authentication, Realtime Database / Firestore, Cloud Storage) • Desain UI mengikuti...

    $21 Average bid
    $21 Wastani wa Zabuni
    4 zabuni

    Title: AI-Powered Document Intelligence Demo – 7-Day Delivery Budget: ₹10k Timeline: 7 Days Location: Remote ⸻ Project Overview We are building a proof-of-concept Doc Intelligence demo for medical perfusion sheets. The goal is to extract structured vitals from uploaded images/PDFs and display them in a simple real-time dashboard with alerts. This is a demo only, not a full MVP — the focus is on speed, accuracy, and visual clarity. ⸻ Key Deliverables 1. OCR / Text Extraction • Input: scanned perfusion sheet (PNG/JPG) or PDF. • Output: structured JSON (BP, ACT, Flow, Temp, Time). • Include basic validation (range checks, missing values). 2. Backend API • Python + FastAPI (or equivalent). • Receives uploaded file → returns structured JS...

    $87 Average bid
    $87 Wastani wa Zabuni
    24 zabuni

    I am a Software Developer with over 7 years of hands-on experience in Java and AWS services, and I am excited to begin my freelancing journey on Upwork. Throughout my professional career, I have designed, developed, and maintained scalable, secure, and high-performance applications while ensuring reliability and cost-efficient cloud operations. My expertise includes core Java development, Spring-based applications, REST APIs, AWS services such as Lambda, ECS, DynamoDB, S3, CloudWatch, and Infrastructure as Code using Terraform. I focus on writing clean, maintainable code, delivering production-ready solutions, and resolving issues quickly to keep systems stable and secure. As I start my freelancing career, I am fully committed to delivering high-quality work, meeting deadlines consistent...

    $3 / hr Average bid
    $3 / hr Wastani wa Zabuni
    5 zabuni

    I want to deploy a fully-functional AI assistant built on a free Chinese open-source model—Qwen 2.5, Minimax01, Kimi 1.5 or Open Manus are all acceptable. Phase one is crystal-clear: the system must start producing qualified leads for short-term business loans, bridge loans, consolidation loans, equipment financing, commercial refinance and purchase, and even grant-seekers. Accuracy, compliance, and the ability to track every interaction matter more to me than flashy extras. Here’s how I picture the first release: • Model integration and fine-tuning on my loan-specific prompts and historical data • A lead-generation workflow that scrapes or ingests approved data sources, segments prospects, and outputs clean CSV or pushes directly into my CRM • Simple das...

    $135 Average bid
    $135 Wastani wa Zabuni
    69 zabuni

    I want to bring a simple yet rock-solid productivity tool to life: a stand-alone Android app focused entirely on task management. The goal is to give users an uncluttered place to create, edit, prioritise, and complete tasks without needing any extra sign-ups or online services. Here is what I need delivered: • An APK ready for Play-Store submission, plus the full, well-commented source code (Android Studio in Kotlin or Java is fine). • A clean, responsive UI that works smoothly from Android 8.0 up to the latest version. • Core features: add, delete, reorder, and mark tasks as done; assign due dates or simple reminders; quick search or filter by status. • All data stored locally so the app functions fully offline. • Basic settings page (dark/light mode a...

    $154 Average bid
    $154 Wastani wa Zabuni
    44 zabuni
    Trophy icon Application Module Updates & Fixes
    6 masaa left

    I have a live application that requires two things right now: thorough bug fixes and targeted feature enhancements in several existing modules. The codebase is stable overall, but a handful of issues are affecting user flow, and I want to introduce a few practical improvements while we are in the code. You will start by reviewing the current implementation, reproducing each reported issue, and patching the bugs so they are no longer repeatable in staging or production. At the same time, I would like you to add small-to-medium-sized enhancements that we will agree on together—think quality-of-life tweaks rather than a complete overhaul. If you also spot opportunities for performance improvements, feel free to flag them; we can treat those as a second phase if time allows. Pleas...

    $165 Average bid
    $165
    7 wasilisho
    Zynga Poker game coins generating
    5 siku left
    Dhibitishwa

    I’m looking for a method to generate coins in Poker game based on Android , iOS and all other platforms through any method or any other effective , I need a software tool, script, or something that can generate coins within the game and works on both platforms. Alternatively, I’m open to hiring a freelancer who can work on this for 12 hours to generate coins — I’m willing to pay well. The game details will be provided in inbox once you BID . But only bid if you know about poker games or online games coding Please only professionals with strong knowledge of programming, gaming, and hacking should respond.

    $4 / hr Average bid
    $4 / hr Wastani wa Zabuni
    4 zabuni

    I have an existing Android app that is stable but still very lean on features. The immediate goal is two-fold: first, roll out a new “upload” capability inside the app (users need to be able to select a file—primarily images or PDFs—from local storage and send it securely to our backend); second, compile, sign, and publish the updated build to the Google Play Console so the change is live for all users. The current stack is Kotlin with standard Android Jetpack libraries; the backend is ready and exposes a REST endpoint for the upload, so the mobile side only needs to handle file selection, progress indication, and a simple success/fail response. If you prefer Java that’s fine—as long as the final APK/AAB plays nicely with our existing codebase. Deliver...

    $89 Average bid
    $89 Wastani wa Zabuni
    31 zabuni

    I'm looking for an experienced developer to create a Web 3 video chat application for desktop. The platform should integrate multiple Web 3 technologies, including: - Blockchain - Cryptocurrency - Decentralized storage - Smart contracts - Video infrastructure Essential Features: - Secure login/authentication - End-to-end encryption Ideal Skills and Experience: - Proficiency in blockchain technology - Experience with cryptocurrency integration - Knowledge of decentralized storage solutions - Strong background in smart contracts - Expertise in video chat infrastructure development - Strong security practices in app development Please provide a portfolio showcasing similar projects.

    $3268 Average bid
    $3268 Wastani wa Zabuni
    22 zabuni

    Project Description: We are looking for an experienced developer or team to work on a real-time trading platform. Important: Only apply if you have previously developed a live, working trading project. Proof of authenticity is required. Requirements: in developing real-time trading systems with live market data APIs or low-latency data streaming experience execution system implementation authentication and user management backend architecture (scalable & high performance) with broker API integration security implementation Mandatory: 1. Share a live link where you are working 2. Provide proof of work (GitHub, portfolio, or client reference) 3. Explain your exact role in the project Preferred Skills: 1. Experience with stock/crypto/forex trading platforms 2. Knowledge of r...

    $34 / hr Average bid
    $34 / hr Wastani wa Zabuni
    85 zabuni

    The goal is to end up with a clean, scalable Selenium WebDriver framework in Java that any engineer on my team can pick up and extend. It must follow the Page Object Model throughout, execute through TestNG, and generate rich reports with either Extent or Allure—whichever you feel gives the clearest insights. Parallel execution is a must, and every test should run reliably on Chrome, Firefox, and Edge. Running the suite in headless mode isn’t required for now. A tidy repository structure, meaningful package naming, and a well-commented README are just as important to me as the code itself, so please factor that documentation time in. All work will be version-controlled in a new GitHub repository that you initiate and populate with an agreed branching model. Deliverables &bu...

    $647 Average bid
    $647 Wastani wa Zabuni
    32 zabuni

    Project Description: We are looking for an experienced developer to build an automated solution that will: Receive customer orders sent by email (PDF format). Automatically extract relevant data from the PDF (customer name, products, quantities, prices, references, etc.). Automatically integrate this data into our management software, kiubi.com. Ensure a reliable, secure, and stable system (error handling, logging, notifications in case of issues). Technical Requirements: Automatic connection to a dedicated email inbox. Automatic detection and processing of PDF attachments. Intelligent data extraction (OCR if required). Integration via API (if available) or any compatible method with Qubee.com. Testing and validation system. Clear documentation of the solution. Possibility for future maint...

    $15 / hr Average bid
    $15 / hr Wastani wa Zabuni
    155 zabuni

    Project Description: Fix Failed Test Cases in Cucumber-with-Java Framework (IntelliJ) I have an existing Cucumber-with-Java automation framework built in IntelliJ, and I’m looking for an experienced Automation QA engineer to help fix several failing test cases. Some tests are running successfully, but a few are consistently failing due to errors that need expert debugging and correction. The framework is already set up with: Cucumber + Java Selenium WebDriver for UI interactions Maven for build management Running tests directly from IntelliJ What I Need From You: Review the existing project structure and identify the root cause of failing test cases. Debug, fix, and optimize the failing step definitions, locators, hooks, runner files, or any configuration issues. Ensure all...

    $6 / hr Average bid
    $6 / hr Wastani wa Zabuni
    12 zabuni

    AI-Powered Video Verification & Alert Automation (Reusable / Scalable System) We are looking for an experienced developer or development company to build a reusable, productized automation workflow that uses AI-based image analysis to validate security camera motion alerts and dramatically reduce false positives. The system will: Ingest motion alert emails from Hikvision/Dahua DVRs Analyze attached images using AI (OpenAI Vision or alternative) Classify: Person / Vehicle / False Positive Trigger actions (WhatsApp alerts, Sonoff siren & floodlights via eWeLink) Store images in Google Drive Log events in Google Sheets or database This must be: Built using n8n (preferred) or equivalent automation engine Template-based and deployable to multiple customers Easily configurabl...

    $1159 Average bid
    $1159 Wastani wa Zabuni
    89 zabuni

    Looking for Interview Support for Mid-Senior level Software Engineer roles at Big Tech/FAANG companies (SDE II/Senior Software Engineer). Need an expert who is good with data structures & algorithms, System Design and Behavioral interview stories. Looking for someone who has exceptional experience with Distributed Systems, Event-driven Architecture, designing fault tolerant systems and handling scaling especially with Java and Python based applications.

    $22 / hr Average bid
    $22 / hr Wastani wa Zabuni
    71 zabuni

    I’m gearing up for Big Tech companies Mid-level to Senior Backend Engineer roles and I am looking for interview guidance and support for the same who is very good with data structures & algorithms, System Design and Behavioral Interview. and I’d like expert guidance to sharpen my performance. The position I’m targeting leans heavily on Java and Python. If you’ve successfully coached other backend candidates or conducted interviews yourself, I’m ready to start right away and can adapt to your preferred scheduling and tooling.

    $24 / hr Average bid
    $24 / hr Wastani wa Zabuni
    82 zabuni

    I need a secure Android banking app built from the ground up for Arab Bank. The core scope is clear: users must be able to manage their accounts, transfer funds, and pay bills effortlessly from their phones. To make this happen, I’ll supply API documentation for our core-banking system along with brand guidelines and sample data. Your task is to design and code the full mobile experience—clean UI, solid architecture, and encrypted communication throughout. Performance, accessibility, and regulatory compliance (PCI-DSS level practices) are non-negotiable. Deliverables • Fully functional Android app (latest stable SDK) • Source code in Git, well-commented and neatly structured • UI/UX assets (Figma or similar) • Integration layer that consumes our ...

    $20 / hr Average bid
    $20 / hr Wastani wa Zabuni
    131 zabuni

    We’re looking for a Senior Automation Engineer / Technical Developer who is fluent or native in Spanish for a long-term, fully remote collaboration. Our core team is based in Dubai, but the work is 100% remote, so you can be located anywhere in the world. We are not looking for one-off projects or isolated tasks. We want someone who values stability, continuity, and growth, and who is ready to take real ownership of systems and automations. What You Will Do - Develop and maintain WordPress websites - Design and implement digital automations and workflow systems - Integrate, configure, and maintain GoHighLevel - Build automations with Zapier and n8n - Create API-based integrations between different systems - Manage and troubleshoot servers (SSH, root access) - Diagnose...

    $19 / hr Average bid
    $19 / hr Wastani wa Zabuni
    142 zabuni

    Saya membutuhkan seorang developer yang mampu merancang dan membangun sebuah aplikasi permainan untuk platform Android. Fokusnya adalah pengembangan aplikasi, bukan web atau desain grafis, sehingga keahlian utama Anda harus mencakup pembuatan game mobile. Gambaran singkat: • Jenis aplikasi: permainan kasual—game‐play cukup sederhana agar ringan dijalankan di berbagai perangkat Android. • Target platform: Android (versi 8.0 Oreo ke atas diutamakan). • Teknologi: saya terbuka pada Unity, Godot, atau native Kotlin/Java—silakan pilih yang paling efisien untuk performa dan pemeliharaan. Fitur inti yang saya butuhkan: 1. Mekanisme permainan dasar (skor, level, dan tantangan ringan). 2. Antarmuka pengguna intuitif dengan kontrol sentuh. 3. Audio sederhana (musik latar...

    $21 / hr Average bid
    $21 / hr Wastani wa Zabuni
    5 zabuni

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