Java

I have an existing Java Swing frame that lists data in a JTable. I’d like you to extend that frame (no full refactor) so it keeps the first three legacy columns exactly as they are and adds two new checkbox columns: one for single-select, one for multi-select... (Budget: $30 - $250 USD, Jobs: CSS, Frontend Development, HTML5, Java, JavaScript, Software Development, Software Engineering, UI / User Interface)

I want to turn my idea for a social-media-focused Android application into a working product. The core concept is a modern platform where users can create profiles, share posts, interact through comments or reactions, and receive real-time updates via push notifications... (Budget: $15 - $25 USD, Jobs: Android, Android App Development, Android Studio, HTML5, Java, Kotlin, Mobile App Development, Video Upload)

I’m building a small yet feature-rich Python application that runs entirely in the command line. Although the overall idea is straightforward, the implementation should showcase solid Object-Oriented Programming and clean architecture so I can both study the code and expand it later... (Budget: $10 - $30 USD, Jobs: Debugging, Java, Linux, Programming, Python, Software Architecture, Software Development, Software Engineering)

I have a Java-style .properties file whose values need to move from English to German. Each line follows the pattern key = value and only the value after the equal sign should change. Please keep the... (Budget: $30 - $250 USD, Jobs: Editing, English (UK) Translator, German Translator, Java, Natural Language Processing, Proofreading, Technical Translation, Translation)

I have a utility-style Android app that is partially built but not yet store-ready. I need help finishing the remaining development work, preparing a signed release build, and publishing it through Google Play Console... (Budget: ₹1500 - ₹12500 INR, Jobs: Android, Android App Development, Android Studio, App Store Optimization, Java, Kotlin, Mobile App Development, Software Development)

Soy principiante y quiero crear mods centrados en la interacción con mobs en Minecraft. Necesito acompañamiento en vivo—por videollamada o pantalla compartida—para entender cada paso, desde montar el entorno de desarrollo (Forge o Fabric) hasta escribir y probar el código... (Budget: $30 - $250 USD, Jobs: 3D Animation, 3D Modelling, Animation, Game Design, Game Development, Java, Minecraft, Programming, Software Development)

I want a full-featured Android application that works the way Khatabook does, focused entirely on business owners. The interface and all on-screen text should be in English. Core features I expect include... (Budget: ₹1500 - ₹12500 INR, Jobs: Android, Android App Development, API Development, Database Management, Documentation, iPhone, Java, Kotlin, Mobile App Development, Software Architecture)

I’m expanding a fully cloud-native Java micro-services platform and need a seasoned developer to work alongside me on building brand-new features. The stack is Java (Spring Boot, React ), containerised with Docker and orchestrated on Kubernetes, with everything running in the cloud... (Budget: ₹12500 - ₹37500 INR, Jobs: Cloud Computing, Docker, Java, JavaScript, Kubernetes, Microservices, RESTful API, Spring Boot)

I’m opening a short, closed test cycle for HaazriBanao (the main attendance app) and its HB Employee companion. I need 15 reliable Android users who will commit to a full-on, 14-day trial and report back on what really matters: day-to-day usability... (Budget: ₹600 - ₹1500 INR, Jobs: Android, Android App Development, Java, Mobile App Development, Mobile App Testing, Mobile Development, Usability Testing, User Experience Research)

I’m just starting my journey in coding and need a patient, knowledgeable mentor who can walk me through the basics, answer questions as they come up, and help me avoid common beginner mistakes. Here’s... (Budget: $15 - $25 USD, Jobs: C Programming, C# Programming, C++ Programming, Coding, Java, JavaScript, Teaching/Lecturing)

I need a clean, lightweight Android utility focused purely on file management—specifically, moving files from one device to another. Think of it as a straightforward “send-receive” tool that a user can open, pick any file on local storage, and push it to another phone or tablet without fuss... (Budget: ₹1500 - ₹12500 INR, Jobs: Android, Android App Development, Android Studio, Bluetooth, Java, Kotlin, Mobile App Development, PHP)

I am setting up a new service and require an experienced Java Backend Developer to design and develop the server-side application from scratch. The technology stack will be based on Java and Spring Boot, following a clean and modular architecture that can later evolve into independent microservices... (Budget: ₹12500 - ₹37500 INR, Jobs: CSS, HTML, J2EE, Java, Java Spring, JavaScript, MySQL, RESTful, Spring Boot, Spring Security)

I need an Android-only e-commerce application whose first release concentrates on a smooth shopping-cart flow and a secure, hassle-free checkout. Think of it as the purchasing core of a larger store: products... (Budget: ₹75000 - ₹150000 INR, Jobs: Android, Android App Development, Android Studio, Java, Kotlin, Mobile App Development, Payment Gateway Integration, PHP)

We are looking for an AI Red Teaming Engineer / Vibe Coding Engineer to work directly on our internal safety evaluation platform for AI models, with a focus on model-to-model testing (no real users involved)... (Budget: $2 - $8 USD, Jobs: Docker, FastAPI, Git, Java, Machine Learning (ML), Python, REST API, RESTful API, Software Architecture, Statistical Analysis)

I’m looking to build a fully-automated horse-racing betting bot that can handle the entire cycle—from scanning live markets through to placing the wager—without manual intervention. this will be for the Betfair Platform only... (Budget: $25 - $50 USD, Jobs: API, Automation, C# Programming, C++ Programming, Data Analysis, Data Processing, Java, PHP, Python, Software Architecture)

I want to build a production-ready image-recognition solution and I need an AI specialist to make it happen. The broad goal is clear—accurate, real-time image recognition—but I’m still weighing which specific task (object, facial, or text detection) will bring the most value to my workflow... (Budget: ₹12500 - ₹37500 INR, Jobs: Computer Vision, Deep Learning, Image Recognition, Java, Machine Learning (ML), OpenCV, Python, Software Architecture)

I need a complete software layer that bridges several home-automation IoT devices with a secure, scalable backend. The goal is to give end-users a seamless way to interact with their lights, switches,... (Budget: $250 - $750 USD, Jobs: Backend Development, Java, Mobile App Development, MQTT, Node.js, Python, RESTful, Web Development)

I want to build a production-ready image-recognition solution and I need an AI specialist to make it happen. The broad goal is clear—accurate, real-time image recognition—but I’m still weighing which specific task (object, facial, or text detection) will bring the most value to my workflow... (Budget: ₹100 - ₹400 INR, Jobs: Computer Vision, Deep Learning, Image Recognition, Java, Machine Learning (ML), OpenCV, Python, Software Architecture)

I’m looking for a seasoned developer (or small team) to turn the idea of a cloud-native AI platform into a working product that automates tender intelligence for the Dominican Republic’s DGCP portal, with an initial focus on Technology-sector bids... (Budget: $750 - $1500 USD, Jobs: AI Development, Amazon Web Services, API Development, Cloud Computing, Docker, Hadoop, Java, Microservices, Natural Language Processing, Python)

I’m ready to roll out an Android application called “Uang.” I’ve tagged the project type as “Dana,” so every feature should revolve around handling money and funds. Scope • Develop a clean, lightweight... (Budget: $15 - $25 USD, Jobs: Android, Android App Development, iPhone, Java, Kotlin, Mobile App Development, Mobile Development, User Interface / IA)