Java

Need to create whatsapp official cloud API for my business and products. I have portfolio and I also created a waba account but that is disabled now. If any one can activate that then also ok. Otherwise need to full setup again a new... (Budget: ₹1500 - ₹12500 INR, Jobs: Account Management, API Development, Business Consulting, C# Programming, Cloud Computing, Java, PHP, Software Architecture)

I’m building a new ERP and need its entire server-side logic crafted with FASTAPI. The stack is already set: asynchronous FASTAPI, MySQL as the primary datastore, and OpenAPI for live documentation. ... (Budget: $30 - $250 USD, Jobs: API Development, Backend Development, Containerization, Docker, FastAPI, Java, Microservices, MySQL, PHP, Software Architecture)

FREELANCER ADVERT — AI / BACKEND SPECIALIST Senior AI Systems & Backend Product Engineer — LLM/RAG/Evals/TypeScript SHORT PROJECT BRIEF We are looking for one exceptional hands-on AI/backend engineer... (Budget: $750 - $1500 USD, Jobs: AI Integration, AI Model Development, AI Workflow Automation, Backend Development, Java, JavaScript, PHP, Website Design)

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... (Budget: min $50 USD, Jobs: Android, Android App Development, Android SDK, Android Studio, Java, Kotlin, Mobile App Development, Software Architecture)

Je recherche un développeur capable de créer un cheat externe pour Minecraft 1.20.1, destiné à un serveur Forge bien précis. L’outil doit rester léger, stable et simple à configurer tout en offrant les... (Budget: €30 - €250 EUR, Jobs: Game AI Programming, Game Design, Game Development, Game Optimization, Game Programming, Java, Minecraft, User Interface / IA)

Need someone who has experience in running android game on local machine. I have source code (probably with all assets I guess) and would like to know if it all works, to check the files and if something is missing, to let me know what's missing... (Budget: €30 - €250 EUR, Jobs: Android, Android App Development, Android SDK, C# Programming, Game Development, Game Testing, Java, Mobile App Development)

I want to launch a full-featured Shopify store from the ground up. The build must cover everything needed to start selling online, with two essentials locked in from day one: • Payment gateway integration – configure a reliable gateway, run a test transaction, and confirm payouts reach my account... (Budget: ₹600 - ₹1500 INR, Jobs: eCommerce, HTML, Java, JavaScript, Payment Gateway Integration, PHP, Shopify, Shopify Development, Shopify Plus, Website Design)

I’m ready for a fresh round of QA on our latest Android build and need experienced testers who can run it on real devices only. The specific focus areas are: • Functionality • User interface • Performance... (Budget: ₹600 - ₹1500 INR, Jobs: Android, Android App Development, Android Studio, Java, Mobile App Development, Mobile Development, Test Automation, Testing / QA)

I have a working front end written in plain HTML and JavaScript and a lightweight back end that also runs in JavaScript. Right now they operate in isolation. I need the two layers wired together so every piece of data the browser sends is correctly received, checked, and acted on by the server... (Budget: $30 - $250 USD, Jobs: API Integration, Backend Development, Frontend Development, HTML, Java, JavaScript, jQuery / Prototype, PHP)

I need a full-featured Android application that lets players participate in Matka betting in real time. The flow and feel must mirror popular hubs such as Kalyan Mataka while staying intuitive for first-time users... (Budget: ₹25000 - ₹50000 INR, Jobs: Android, Android App Development, API Development, Database Design, Java, Kotlin, Mobile App Development, Payment Gateway Integration, PHP)

A decentralized AI compute platform designed to connect GPU providers with AI workloads through a distributed computing network. Instead of running AI workloads entirely on centralized cloud infrastructure,... (Budget: $25 - $50 USD, Jobs: Blockchain, C Programming, CUDA, Docker, Engineering, Java, Python, Software Architecture, Web Development)

I am looking for an experienced Android/software developer to assist with the development of a custom software system for an innovative wearable technology project. The project involves developing and... (Budget: $50 - $100 USD, Jobs: AI (Artificial Intelligence) HW/SW, AI Integration, Android App Development, Android Studio, Android UI Design, Embedded Systems, Java, Mobile App Development, PHP, Software Development)

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... (Budget: ₹1500 - ₹12500 INR, Jobs: Database Design, eCommerce, Java, JavaScript, JSP, Payment Gateway Integration, PHP, Spring Boot)

I am looking for an experienced automation developer to build a scalable outbound email system for my company. The system needs to handle lead imports, automated email sequences, reply detection, lead status tracking, follow-ups, CRM updates, and handoff of interested prospects to a salesperson... (Budget: $1500 - $3000 USD, Jobs: API, Automation, CRM, Email Marketing, Java, PHP, Software Architecture, Workflow Automation)

I’m running reward-based Android apps that credit me each time a video ad is fully watched. My goal is to scale to roughly 1,000 completed views every day without violating the apps’ terms. I don’t want... (Budget: ₹750 - ₹1250 INR, Jobs: Android, Android App Development, Android SDK, Automation, Java, Mobile App Development, Mobile App Testing, Software Architecture)

I need a straightforward way to record where a phone has been and list those stops as human-readable addresses. The solution has to work on both iOS and Android, so please plan for a single code-base approach... (Budget: $1500 - $3000 USD, Jobs: Android, Flutter, GPS, iOS Development, iPhone, Java, Mobile App Development, React Native)

Tender Proposal Regarding Adding or Modifying Features to the earnway.art Website The developer of the earnway.art website successfully delivered the required features by July 18, 2026 (including rebranding,... (Budget: $30 - $250 USD, Jobs: API Development, Backend Development, Database Design, Database Management, Java, MySQL, PHP, PostgreSQL, Software Development, Web Development)

[Removed by Freelancer.com Admin] I am actively seeking new opportunities in the IT and technology sector and welcome connections with recruiters, talent acquisition specialists, hiring managers, HR professionals, and recruitment agencies for current or upcoming requirements... (Budget: ₹600 - ₹1500 INR, Jobs: Amazon Web Services, Artificial Intelligence, Cloud Computing, DevOps, Java, Node.js, Python, Software Development)

[Removed by Freelancer.com Admin] I am actively seeking new recruitment opportunities in the IT and technology sector and welcome connections with recruiters, talent acquisition specialists, hiring managers, HR professionals, and recruitment agencies for current or upcoming requirements... (Budget: ₹600 - ₹1500 INR, Jobs: Amazon Web Services, Cloud Computing, DevOps, Java, Node.js, Python, Recruitment, Software Development, System Administration, Talent Acquisition)

I’m building an Android-only mobile application that lets users browse available “rental boyfriends.” The first release must focus on a smooth, visually appealing profile-browsing experience: swiping through detailed profiles, filtering by basic attributes, and viewing image galleries without lag... (Budget: ₹12500 - ₹37500 INR, Jobs: Android, App Design, iPhone, Java, Mobile App Development, REST API, UI / User Interface, UX / User Experience)