Java

I need twelve Android users to help me measure how my app affects battery life during heavy, real-world use over a 14-day window. The sole focus is performance, specifically battery usage when the phone... (Budget: $2 - $8 AUD, Jobs: Android, Android App Development, Android SDK, Android Studio, Android UI Design, Data Collection, Java, Mobile App Development, Mobile App Testing, Testing / QA)

I need twelve Android users to help me measure how my app affects battery life during heavy, real-world use over a 14-day window. The sole focus is performance, specifically battery usage when the phone... (Budget: $2 - $8 AUD, Jobs: Android, Android App Development, Android SDK, Android Studio, Android UI Design, Data Collection, Java, Mobile App Development, Mobile App Testing, Testing / QA)

I want an Android-only offer app that works and feels just like the one in the Play Store link I provided. The goal is to mirror every user-facing function—browsing deals, viewing offer details, redeeming or sharing them—while re-skinning it with my branding... (Budget: $10 - $30 USD, Jobs: Android, Android App Development, Android Studio, API Integration, Java, Kotlin, Mobile App Development, PHP)

I need an Android application that lets approved users register with their mobile number, confirm the account through an OTP, then sign in later with a standard password. Once inside, the app must recognise... (Budget: ₹1500 - ₹12500 INR, Jobs: Android, Android App Development, Android SDK, API Integration, App Development, Java, Kotlin, Mobile App Development, Mobile App Testing, PHP)

I’m building a web-based application that hinges on a robust Cursor-powered AI component, and I need a sharp mind to craft the model from the ground up. Your main responsibility is to translate the problem... (Budget: ₹600 - ₹1500 INR, Jobs: AI Development, Data Science, Java, Machine Learning (ML), Model Deployment, Model Monitoring, Python, Software Architecture)

I want a slimmed-down TikTok-style app built natively for Android. The emphasis is on fast loading, low data usage, and smooth vertical video scrolling—ideal for users on slower connections or budget devices... (Budget: $15 - $25 USD, Jobs: Android, API Integration, App Development, Java, JavaScript, Kotlin, Mobile App Development, Video Streaming)

I already have the full Android source code for a social-media-style app and now need someone to take it the last mile: get it compiled, tested, and live on Google Play. Key requirement: the build must include social-media login... (Budget: ₹1500 - ₹12500 INR, Jobs: Android, Android App Development, Android Studio, API Integration, Java, Mobile App Development, Social Media Marketing, Software Architecture)

I need an app that handles lockout/tagout (LOTO) energy isolation specifically for machinery. The whole point is to let operators and safety managers follow, verify, and document every step of an isolation procedure directly on their phones or tablets, cutting paperwork and improving compliance... (Budget: ₹1500 - ₹12500 INR, Jobs: Android, Flutter, iOS Development, iPhone, Java, Mobile App Development, React Native, User Interface / IA)

I’m building a Jarvis-style companion for Android that can look at whatever is on-screen, understand it, and talk back to the user. The core flow is simple: an accessibility service captures the visible text, sends it to GPT for comprehension, and returns a concise spoken summary... (Budget: ₹1500 - ₹12500 INR, Jobs: AI Chatbot Development, Android, Android App Development, Hindi Translator, Java, Kotlin, Mobile App Development, Voice Assistance Devices)

I need a modular content-management system with a React frontend and a Spring Boot REST API backend. Core requirements include: • Secure user authentication with role-based access • Granular content... (Budget: $15 - $25 USD, Jobs: Docker, Java, JavaScript, MySQL, NoSQL Couch & Mongo, PHP, REST API, Spring Boot)

I’ve recorded a brief screen-share video that shows exactly which URLs on my WordPress site need tidying up and why the current structure is giving me headaches. Please watch the video in full before you... (Budget: $750 - $1500 USD, Jobs: CSS, Java, JavaScript, PHP, Python, SEO, Web Design, Web Development, Website Optimization, WordPress)

I need a seasoned developer who can take my idea from concept to a polished Android application. The core of the build is a solid user-authentication flow (signup, login, password recovery) tied to a referral system that lets existing users invite new ones and rewards them automatically... (Budget: ₹10000 - ₹15000 INR, Jobs: Android, Android App Development, App Design, Backend Development, Java, Mobile App Development, PHP, React Native, React.js, UI / User Interface)

I need twelve Android users to help me measure how my app affects battery life during heavy, real-world use over a 14-day window. The sole focus is performance, specifically battery usage when the phone... (Budget: $2 - $8 USD, Jobs: Android, Android App Development, Android SDK, Android Studio, Android UI Design, Data Collection, Java, Mobile App Development, Mobile App Testing, Testing / QA)

I need a production-ready expense-tracking web application built with the following stack: Java Spring Boot for the API layer, React.js on the front-end, MySQL as the data store, all secured with JWT-based authentication... (Budget: ₹600 - ₹1500 INR, Jobs: CSS, Full Stack Development, HTML, Java, Java Spring, JavaScript, JSP, MySQL, React.js)

I need a clean, well-documented REST API that lets third-party sellers submit, update, and delete physical product records in our catalogue. Each request must be secured with an API-key header; no other auth method is required... (Budget: £10 - £20 GBP, Jobs: API Development, FastAPI, Java, MySQL, Node.js, PHP, REST API, RESTful)

Saya membutuhkan seorang profesional untuk merancang dan membangun aplikasi edukasi berbasis Android. Fokusnya adalah menghadirkan konten pembelajaran interaktif yang mudah di­akses siswa melalui ponsel... (Budget: $15 - $25 USD, Jobs: Android, Android App Development, Graphic Design, Java, Kotlin, Logo Design, Mobile App Development, Mobile App Testing, Mobile Development, REST API)

My Android app was recently suspended in Google Play, and my entire developer account is now at risk. The notice states a Privacy Policy violation, but beyond that Google’s wording is vague. I need... (Budget: ₹1500 - ₹12500 INR, Jobs: Android, App Development, App Store Optimization, Compliance, iPhone, Java, Mobile App Development, Mobile App Testing)

Looking for the advanced catcher for mturk to catch hits aggressively. It should catch hits faster than any other catcher. (Budget: ₹3000 - ₹3500 INR, Jobs: Java, JavaScript, PHP)

I’m looking for a Java developer who can turn my existing MySQL schema for a Student Management System into a fully-functional REST service. The project must be built with Spring Boot, Hibernate/JPA, and... (Budget: ₹100 - ₹400 INR, Jobs: cURL, Documentation, J2EE, Java, MySQL, REST API, Software Architecture, Spring Boot)

I have a live mobile music app that needs a short round of improvements before the next release. The highest-priority item is to add Sign in with Apple alongside Facebook Login so users can authenticate seamlessly on both iOS and Android... (Budget: $30 - $250 USD, Jobs: Android, Android App Development, Android Studio, iPhone, Java, Kotlin, Mobile App Development, Mobile Development, User Interface / IA, XML)