Java

I’m creating a diamond-themed application and I already have the visual side mocked up; what I’m missing are the underlying game calculations. Specifically, I need robust code that handles both score and statistics tracking as well as the motion dynamics for moving diamonds on-screen... (Budget: $15 - $25 USD, Jobs: C# Programming, Game Design, Game Development, Game Testing, Java, Mathematics, Motion Graphics, Physics, Software Development, User Interface / IA)

Home Page - Design a professional and user-friendly interface - Access to all pages and main features Property Registration - Property registration form containing: - Property type - Location - Area... (Budget: $250 - $750 USD, Jobs: Database Management, HTML, Java, MySQL, PHP, Property Management, Python, Real Estate, User Interface / IA, Web Design)

AI Slack Bot Developer Overview: We are seeking an experienced developer to build an AI-driven Slack bot that acts as a virtual team member. This bot will summarize daily Slack discussions, identify recurring team issues, and proactively assist with answers/suggestions... (Budget: $750 - $1500 USD, Jobs: AI Chatbot Development, AI Development, Java, JavaScript, Natural Language Processing, PHP, Software Architecture, Software Development)

Spring Boot Developer for AI-Driven Health SaaS Platform (Next.js Frontend) - About the Project We’re developing a digital health platform that uses AI to deliver reliable, personalized education and self-care guidance for people living with chronic pain... (Budget: $1500 - $3000 USD, Jobs: API Development, Docker, J2EE, Java, PostgreSQL, RESTful, RESTful API, Spring Boot, Spring Security, Website Design)

I need a desktop application for gatepass management. The core functionality required is pass generation, specifically gate passes. Essential requirements: - Pass generation for gate access - Desktop... (Budget: ₹1500 - ₹12500 INR, Jobs: C# Programming, Desktop Application, Java, Python, Software Development, Software Engineering, UI / User Interface, User Interface / IA)

Project Title Hiring Experienced Global Certified Freelancer Technical Faculties for Advanced IT and Cloud Education Project Overview This project aims to source and engage highly qualified freelancer technical faculties with recognized global IT certifications and extensive industry experience... (Budget: ₹750 - ₹1250 INR, Jobs: Cloud Computing, Data Science, Full Stack Development, Java, Project Management, Python, Software Development)

I need an automated WhatsApp chatbot for Ruya Startup Studio’s Zāfir student–entrepreneurship program. The bot must operate in English, Dari, and Pashto and live on the official WhatsApp Business number we already use for outreach... (Budget: $30 - $250 USD, Jobs: AI Chatbot, AI Chatbot Development, AI Development, Android, API Development, C Programming, Chatbot, Database Management, Java, Python)

I need an experienced Android developer to craft a streamlined EMI payment app aimed at individual customers. The core job is to let users view their instalment schedule and complete each payment inside the app, so secure, real-time payment processing is absolutely critical... (Budget: ₹12500 - ₹37500 INR, Jobs: Android, Android App Development, API Development, Java, Kotlin, Mobile App Development, Payment Gateway Integration, PHP)

We are looking for a skilled Automation Expert to join our agency on a freelance basis. The ideal candidate will have experience in connecting tools, building automated workflows, and integrating AI systems to streamline business processes for clients... (Budget: ₹12500 - ₹37500 INR, Jobs: .NET, AI Chatbot Development, AI Development, API Integration, Automation, Java, n8n, PHP, Software Architecture, Zapier)

Quiero desarrollar una aplicación nativa para Android que ayude a los usuarios a recuperar el acceso a sus dispositivos cuando olvidan sus credenciales o necesitan un restablecimiento completo del equipo... (Budget: $250 - $750 USD, Jobs: Android, Android App Development, iPhone, Java, Kotlin, Mobile App Development, Prototyping, Software Documentation)

We are seeking experienced Java developer to design and implement a Spring Boot microservice that enables real-time communication between a cloud-based application and a desktop client via webhooks. Core... (Budget: $250 - $750 USD, Jobs: J2EE, Java, JSON, Microservices, RESTful, RESTful API, Software Architecture, Spring Boot)

I’m building a cross-border customs brokerage and logistics platform and my first deliverable is a rock-solid EDI link for U.S. CBP forms 3461 and 7501. The priority is clear: get data mapping right so... (Budget: $15 - $25 USD, Jobs: API, Git, Java, JSON, Logistics, MuleSoft, PostgreSQL, Python)

I have a mature application written in Delphi that I’d like to bring up to date. Your mission is to port the existing codebase to a modern, widely supported language—Python, C#, Java, or a language you can justify—while keeping current functionality intact and improving maintainability... (Budget: $1500 - $3000 USD, Jobs: C Programming, C++ Programming, Computer Vision, Delphi, Java, Object Detection, OpenCV, Python)

I’m building a control system that must talk directly to multiple fuel dispensers over RS-485. I need a developer who already understands dispenser protocols—specifically Wayne DART, Gilbarco, Tatsuno, Censtar, and Mekser—and can turn that knowledge into working code... (Budget: $250 - $750 USD, Jobs: C Programming, C++ Programming, Documentation, Embedded Systems, Java, Python, Software Development, Software Engineering)

Diseñar y construir un adapter ERP-agnóstico para el robot facturador: Definir una interfaz única (p. ej., ERPBillingGateway) con métodos: crearFactura, validarCliente, buscarProducto, aplicarImpuestos, obtenerFolio, consultarEstado... (Budget: $250 - $750 USD, Jobs: AI/RPA development, Electronics, ERP Software, Java, PHP, Python, Software Architecture)

About the Role We are looking for a passionate backend developer with strong fundamentals in Java, JPA/Hibernate, Spring Boot and a working understanding of Hadoop (MapReduce). You will be involved in... (Budget: ₹1250 - ₹2500 INR, Jobs: Data Processing, Database Management, Hadoop, J2EE, Java, MySQL, Oracle, PostgreSQL, REST API, Spring Boot)

I’m looking for a pair of polished, submission-ready academic projects built in Python. Project 1: an NLP application with a clean, intuitive UI. I’m flexible on the specific topic—sentiment analysis,... (Budget: ₹600 - ₹1500 INR, Jobs: Data Visualization, Java, JavaScript, Natural Language Processing, Python, Software Architecture, Streamlit, Time Series Analysis)

I’m finishing a small, same-day Android project and could use a second set of hands. The goal is to build a lightweight E-commerce app in Android Studio and wire in printing capabilities. I’ll share my... (Budget: $2 - $20 USD, Jobs: Android, Android App Development, Android Studio, API Development, iPhone, Java, Mobile App Development, Mobile Development)

I need a straightforward Android app that lets a user tap a button, scan a barcode with the camera, and save the captured data. Each scan should immediately populate an on-device table that the user can... (Budget: ₹12500 - ₹37500 INR, Jobs: Android, Android App Development, App Development, Java, Kotlin, Mobile App Development, Mobile App Testing, Mobile Development, PHP)

I need a clean, well-structured Android application built from the ground up. The core requirements are straightforward yet critical: secure user authentication, reliable push notifications, and a smooth real-time chat module... (Budget: ₹1500 - ₹12500 INR, Jobs: Android, Android App Development, API Integration, Java, Kotlin, Mobile App Development, Mobile Development, PhoneGap)