Java

We have a live WhatsApp restaurant food ordering bot built in Node.js. Current average response time: 2–4 seconds Target response time: ≤ 1.5 seconds We need an experienced backend performance optimization... (Budget: ₹1500 - ₹12500 INR, Jobs: API Development, Backend Development, Java, JavaScript, Linux, Node.js, Software Engineering, Web Development)

I need help turning a stream of live website-interaction events into actionable intelligence, end-to-end and without lag. The data arrives continuously from our front-end; I want it captured in Apache... (Budget: ₹250000 - ₹500000 INR, Jobs: Anomaly Detection, Apache Kafka, Cloud Computing, Data Processing, Docker, Java, Machine Learning (ML), Microservices, Python, Software Architecture)

I’m an enthusiastic IT student with a genuine passion for software development, and I’d like to team up with a seasoned developer who can accelerate my learning. My goal is to understand how to design... (Budget: $10 - $30 USD, Jobs: Django, HTML, Java, JavaScript, Mobile App Development, Python, Software Development, Web Development)

I’m an enthusiastic IT student with a strong interest in software development and a drive to build efficient, user-friendly applications while deepening my knowledge of modern tech stacks. Project scope... (Budget: $2 - $8 USD, Jobs: Java, JavaScript, Mobile App Development, Python, Software Architecture, Software Development, Spring Boot, Web Development)

My goal is to run a single, seamless workflow where a purpose-built inventory platform handles day-to-day stock tracking and order management while Google Sheets, powered by AI, turns that raw data into near-real-time insights and scheduled reports... (Budget: ₹12500 - ₹37500 INR, Jobs: AI Development, API, Database Management, Google Sheets, Java, PHP, Python, Software Architecture)

Saya ingin sebuah aplikasi sosial media berbasis Android yang dibangun sepenuhnya dari awal. Fokus utamanya adalah: • Desain arsitektur aplikasi yang modern, mudah dipelihara, dan siap berkembang •... (Budget: $15 - $25 USD, Jobs: Android, Android App Development, Android Studio, Graphic Design, Java, Kotlin, Logo Design, Mobile App Development)

I want to launch a dedicated Android application that lets customers browse, add to cart, and securely purchase products right from their phones. This will be the mobile counterpart to my store, so a clean shopping experience is the top priority... (Budget: $250 - $750 USD, Jobs: Android, Android App Development, Flutter, iPhone, Java, Kotlin, Mobile App Development, PHP)

Hi, I want to proceed with the backend development under the following structure and standards: 1. Code Ownership: * The source code must be hosted in a GitHub repository under my account/organization... (Budget: $10000 - $20000 USD, Jobs: API Development, Backend Development, Documentation, GitHub, Java, MySQL, PHP, Software Architecture)

Project Overview We are launching a high-scale 2026 Season Pass ($144/$72 Annual) for a gold-backed sub-sea mining venture. We need a Systems Architect to build the "back-end engine" that handles global payments, referral tracking, and a physical gold reserve ledger for up to 400,000 members... (Budget: $3000 - $5000 USD, Jobs: Airtable, API, Java, Make.com, Node.js, Payment Processing, PHP, Software Architecture)

Job Title: Lead Full-Stack Developer – Autonomous AI & Live Commerce Ecosystem (Serbian Market) Project Overview We are seeking an expert Full-Stack Developer or a small specialized team to build a next-generation marketplace platform tailored for the Serbian market... (Budget: $750 - $1500 USD, Jobs: Agora, Automation, Flutter, GPT-4, Java, Node.js, OpenAI, PHP, SaaS, Software Architecture)

I’m putting together a production-ready membership platform and need a developer who can take it from architecture to deployment. Membership Engine First priority is bullet-proof form validation.... (Budget: ₹75000 - ₹150000 INR, Jobs: API Development, Database Design, Java, JavaScript, Node.js, Payment Gateway Integration, PHP, Software Architecture)

Saya mencari seorang developer berpengalaman untuk membantu saya merancang dan mengimplementasikan solusi Platform as a Service (PaaS) di lingkungan cloud. Fokus utamanya adalah menyiapkan infrastruktur... (Budget: $250 - $750 USD, Jobs: Angular, Java, JavaScript, Node.js, Python, SQL)

I need a Flutter specialist to turn my Figma screens into a production-ready APK for Android. This phase is Android-only, so everything you build should be tested on phones and tablets running Android 8.0 or higher... (Budget: $10 - $30 USD, Jobs: Android, API Integration, Dart, Flutter, Java, Mobile App Development, RESTful API, Software Architecture)

Saya mencari seorang developer berpengalaman untuk membantu saya merancang dan mengimplementasikan solusi Platform as a Service (PaaS) di lingkungan cloud. Fokus utamanya adalah menyiapkan infrastruktur... (Budget: $15 - $25 USD, Jobs: Angular, Java, JavaScript, Node.js, Python, SQL)

I need a versatile full-stack Java developer who can dedicate a full 8-hour shift aligned with Pacific Standard Time. The work revolves around a new enterprise platform we are rolling out internally, and... (Budget: ₹37500 - ₹75000 INR, Jobs: Backend Development, Data Analytics, Frontend Development, Full Stack Development, Java, Java Spring, JavaScript, REST API, RESTful, Scala)

Need mobile app developer with flutter dart, need to edit in flutter App (Budget: ₹600 - ₹1500 INR, Jobs: Android, App Development, Dart, Flutter, iPhone, Java, Mobile App Development, Mobile Development)

I need an expert to integrate the WhatsApp Cloud API into a custom application. Essential Functionalities: - Sending and receiving messages - Managing contacts Message Types: - Text messages - Media... (Budget: ₹1500 - ₹12500 INR, Jobs: Android, API Integration, Backend Development, Cloud Computing, Java, Mobile App Development, PHP, Software Development)

My utility app is already coded, tested, and ready for the world—I just need it live on Google Play and kept healthy afterward. I’m looking for a seasoned Android developer who knows the Play Console inside-out,... (Budget: ₹1500 - ₹12500 INR, Jobs: Android, Android App Development, Android Studio, App Store Optimization, Java, Kotlin, Mobile App Development, PhoneGap)

MERN Stack Developer – Digital Lending Platform (Fintech) We are building a next-generation digital lending platform for the Indian market and are looking for an experienced MERN Stack Developer to join our core development team... (Budget: ₹37500 - ₹75000 INR, Jobs: AngularJS, Java, MERN, MERN Stack, MongoDB, Node.js, PHP, PostgreSQL, React.js, Website Design)

I trade the Indian markets and now want to automate my work. The focus is exclusively on Futures and Options and, more specifically, on non-directional strategies (think iron condors, short straddles/strangles, calendar spreads, etc.)... (Budget: ₹12500 - ₹37500 INR, Jobs: API, Backtesting, C++ Programming, Financial Analysis, Java, Node.js, Pine Script, Python, Software Architecture)