J2EE Developers For Hire
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Sponsored Freelancers
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We are proud to be among the ⭐ top 1% on Freelancer.com⭐, recognized for our earnings and positive reviews. ✎ Corporate Value Proposition ➬ Patience with Clients ➬ Diversified Industry Portfolio ➬ Dedication to Client's Vision & Empowerment ➬ Proactive in Suggesting Best Practice Solutions ➬ Prioritizes Personal...We are proud to be among the ⭐ top 1% on Freelancer.com⭐, recognized for our earnings and positive reviews. ✎ Corporate Value Proposition ➬ Patience with Clients ➬ Diversified Industry Portfolio ➬ Dedication to Client's Vision & Empowerment ➬ Proactive in Suggesting Best Practice Solutions ➬ Prioritizes Personal Privacy and Data Security ➬ Customer-Centric, Collaborative and Communicative Approach ✎ Our Achievements ➬ 20+ Years of Experience ➬ 350+ Talented IT Professionals ➬ 3000+ Successful Projects ➬ Served Clients in 50+ Countries ✎ Our Services ➬ Custom Software Development ➬ Web & Mobile Application Development ➬ QA & Testing ➬ Support & Maintenance ➬ Staff Augmentation ➬ Cloud Services & DevOps ➬ AI/ ML ✎ About Narola Infotech Solutions LLP We stay ahead with the latest tools, frameworks, and programming languages to deliver high-performance, user-friendly, and scalable applications. Whether it's feature-rich websites, robust mobile applications, or comprehensive digital solutions, we turn your ideas into reality with advanced designing and QA services. Our commitment to exceptional customer service sets us apart. We prioritize clear communication, collaboration, and understanding your goals. Our team works closely with each client, offering valuable insights, expert guidance, and continuous support throughout the development process and beyond. Partnering with Narola Infotech means gaining a reliable and strategic technology partner committed to driving your business forward. We strive to exceed expectations, deliver exceptional quality, and ensure timely project completion within budget. Our goal is to help businesses thrive in the digital landscape with our expertise and impactful solutions. We have worked with notable clients such as CGI, L&T, Infosys, Biocon, TVSNext, and many others. ✎ Our Expertise We excel in multi-layered software designing, development, maintenance, and enhancement using OOP concepts, multi-threading, and collection framework with comprehensive QA testing. ✎ Tech Stack ➬ Frontend: Wireframe, UI/UX, PSD, Bootstrap, JavaScript, AngularJS, ReactJS, VueJS ➬ Backend: ASP.NET, C#, Java, PHP, WordPress, Shopify, NodeJS, Python, Django ➬ Mobile: iOS & Android, Objective-C & Java SDK, Swift, React Native, Flutter ➬ Other: MS Dynamics 365, Microsoft, Power Platform, Salesforce, DevOps, AWS, Azure, Big Data, Embedded Solutions, Bots, AI & Machine Learning ✎ Tools/Software ➬ Subversion, GitHub, Trello, Jira, Slack, Asana ✎ Our Strengths ➬ Regular Communication ➬ Daily & Weekly work update reports ➬ 100% Guaranteed Plagiarism-Free Work ➬ Guaranteed Data Security & Privacy ➬ Agile Development Methodology ➬ Flexible Engagement Models: - FIXED COST - TIME & MATERIAL(Hourly) - DEDICATED TEAM - HYBRID MODEL (Fixed + Hourly) Experience the Narola Infotech advantage and unlock your business's true potential with our state-of-the-art web apps, mobile apps, and digital solutions.. less
Hire winmaclin
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Professional developer, 13++ years's system designing and programming experience from 2003 I can program with AS400, Windows,Linux,Sun , C/C++, Java, C#, TIBCO BW and TIBCO EMS, ZeroMQ, IBM MQ, Apache MQ, RPG(IBM AS400).Professional developer, 13++ years's system designing and programming experience from 2003 I can program with AS400, Windows,Linux,Sun , C/C++, Java, C#, TIBCO BW and TIBCO EMS, ZeroMQ, IBM MQ, Apache MQ, RPG(IBM AS400). less
Hire khanhptktmt
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We@ResoniteTech have expertise and experience on web, mobile and desktop application development across Java, PHP & Python based frameworks and platform. We have experience on both RDMS and no-sql databases from data modelling to deployments. we do services on testing using JMeter, Selenium based tools and...We@ResoniteTech have expertise and experience on web, mobile and desktop application development across Java, PHP & Python based frameworks and platform. We have experience on both RDMS and no-sql databases from data modelling to deployments. we do services on testing using JMeter, Selenium based tools and platform. We have developed desktop application (windows based) on JavaFx , Android apps, and Web-application based on CodeIgniter, Laravel, Zend, Spring Boot, Quarkus, Django, Fast API and so on. We continue to take more challenging and rewarding projects to scale up further to meet customer's demand. We have developed desktop based windows application called "TradeSense" for managing inventory, billing and accounting of a retail business for small / medium scale industries. Please check out this product on below link https://digitradesense.com/ We have launched mobile app called "UpToDate" to help user take timely action for insurance, utilities, Passport/Visa and family events on Google Play store as below https://play.google.com/store/apps/details?id=com.my.uptodate We have developed desktop based simulation and modelling software product called "Caliper" to optimize distribution network for CPG and Retail customers We have developed mobile app called "Scan & Do" to help the user scan any QR code / Bar Code and do relevant meaningful action according to the scanned code as below https://play.google.com/store/apps/details?id=com.scantosearch Skilled in : PHP, MySQL, Python, Django, Zend, Code Igniter, Laravel, Docker, JMeter, Selenium, Android, Java, SQLite, VC++,OpenGL less
Hire KarthikTechCon
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Thank you for visiting my profile. I am an AI Developer with over ten years of professional experience in software engineering. I began my career as a Full Stack Web and Mobile Engineer, working extensively with technologies such as JavaScript, TypeScript, React, C#, Python, and modern backend and cloud platforms,...Thank you for visiting my profile. I am an AI Developer with over ten years of professional experience in software engineering. I began my career as a Full Stack Web and Mobile Engineer, working extensively with technologies such as JavaScript, TypeScript, React, C#, Python, and modern backend and cloud platforms, and I have successfully delivered scalable web and mobile applications across industries including business, education, e-commerce, and enterprise environments. In recent years, my professional focus has shifted fully toward the artificial intelligence field, where I have built strong, hands-on expertise designing and deploying production-ready AI solutions. I specialize in developing AI-powered systems such as intelligent chatbots, AI agents, and virtual assistants using GPT and modern large language models. My experience includes advanced prompt engineering, fine-tuning and training machine learning models, retrieval-augmented generation (RAG), vector databases, embeddings, semantic search, and contextual memory systems. I design and implement end-to-end AI workflows using frameworks such as LangChain, integrating AI capabilities seamlessly into real-world products and business processes. I also develop AI-driven automation systems, including intelligent bots and workflows for platforms such as WhatsApp, Slack, and Telegram, as well as scalable business automation solutions using tools like n8n and Zapier to improve efficiency and customer engagement. My background as a full-stack engineer allows me to build AI solutions that are not only intelligent but also reliable, secure, and scalable. I am highly experienced in deploying AI systems to cloud environments such as AWS, Google Cloud Platform, and Firebase, and in integrating AI services into web and mobile applications. In addition, I work with AI-enhanced Web3 and blockchain solutions, including smart contracts, decentralized applications, AI-assisted trading bots, and automation within Ethereum, EVM-based ecosystems, and Solana. I am committed to delivering high-quality AI solutions with clear communication, timely delivery, and long-term technical support. If you are looking for an AI developer with a strong engineering foundation and proven AI expertise, please feel free to send me a private message to discuss your project. less
Hire ska234
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Hello, I'm Billy Bryan, a passionate and results-driven Full Stack Web Developer with over a 6 years of experience in building cutting-edge websites and web applications. I specialize in delivering efficient, scalable, and user-friendly digital solutions tailored to your business needs. With a keen eye for detail and...Hello, I'm Billy Bryan, a passionate and results-driven Full Stack Web Developer with over a 6 years of experience in building cutting-edge websites and web applications. I specialize in delivering efficient, scalable, and user-friendly digital solutions tailored to your business needs. With a keen eye for detail and a strong focus on problem-solving, I ensure every project I work on exceeds expectations and drives measurable results. Backend Development ✔️ Python: Flask, Django, RESTful APIs, data processing. ✔️ C#: ASP.NET Core, application development, Azure integrations. ✔️ PHP: Laravel, WordPress, custom CMS solutions. ✔️ SQL & Databases: PostgreSQL, MySQL, Couchbase, TypeORM. Frontend Development ✔️ React.js: Next.js, Remix.js, Astro.js ✔️ JavaScript: Angular, Vue, Vuex, TypeScript, jQuery. ✔️ CSS Frameworks: Bootstrap, Tailwind CSS, SCSS, LESS. ✔️ Responsive Design: HTML5, CSS3, Figma, pixel-perfect, cross-browser compatibility. Tools & Platforms: ✔️ Version Control: Git, GitHub, GitLab, Bitbucket ✔️ Cloud: AWS, Azure, Google Cloud, Couldflare ✔️ DevOps: Docker, CI/CD pipelines, Jenkins. ✔️ Collaboration: Trello, Slack, Jira. What I Offer ✔️ Custom Web Applications: Fully responsive and optimized for performance. ✔️ API Development & Integration: Building and connecting APIs for seamless data exchange. ✔️ Database Design & Optimization: Efficient data models and query performance tuning. ✔️ Migration & Upgrades: Smooth transitions with zero downtime. ✔️ Full-Stack Solutions: From UI/UX design to backend logic and deployment. I'm passionate about turning your ideas into functional, scalable, and visually appealing digital solutions. Whether you need a one-off project or long-term collaboration, I’m here to help. Let's bring your project to life! Let’s discuss your project needs and start building something amazing together. Best regards, Billy Bryan less
Hire billybryan98
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My name is Anthony Munoz, Senior Software Engineer What services can i do for you? - Web3 development - APIs development, App development. - Website development and building - Data Scrapping and Mining - Python development - Linux Admin and Bash development - Database development, mysql, postgresql, mongodb, etc. -...My name is Anthony Munoz, Senior Software Engineer What services can i do for you? - Web3 development - APIs development, App development. - Website development and building - Data Scrapping and Mining - Python development - Linux Admin and Bash development - Database development, mysql, postgresql, mongodb, etc. - AWS services, DevOps - Data Scientist - Jupyter and pandas tools. - Java Development - javaScript Development Technologies Solidity, Flask, Rabbit, IBM IoT, Jupyter Notebook, Amazon IoT, Pandas, Amazon Services, Neupy, Machine Learning, Plotly, Different Databases, Docker, Matlab, Bokeh, JSON - XML, Docker-Compose less
Hire dataspro
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realroshan102 realroshan102
$35 USD / hour
Full-Stack Developer | AI, Blockchain & Web AppsPakistanHello and welcome! I’m a dedicated software engineer and developer with over 5 years of experience in building high-performing applications across web, mobile, desktop, and blockchain platforms. I turn your ideas into robust, scalable, and effective solutions. Here's a brief overview of my expertise: Desktop...Hello and welcome! I’m a dedicated software engineer and developer with over 5 years of experience in building high-performing applications across web, mobile, desktop, and blockchain platforms. I turn your ideas into robust, scalable, and effective solutions. Here's a brief overview of my expertise: Desktop Applications: C#/C++, Java, Python (Tkinter, PyQt, Kivy), Electron.js, WPF, WinForms, Delphi, VB.NET, Qt++, JavaFX, Golang, Cross-platform Packaging. Blockchain & Web3: Smart Contracts, DApps, NFT Marketplaces, DeFi, ERC/BEP Tokens, DAO, Wallet Integration, Ethereum, BNB Chain, Solana, Polygon, Web3.js, Ethers.js, Solidity, Truffle, Hardhat, IPFS, Uniswap, PancakeSwap, Arbitrage/Sniping Bots. Web Development: HTML, CSS, SCSS, JavaScript, TypeScript, React, Angular, Vue, Node.js, Express.js, PHP (Laravel, Symfony), Python (Django, Flask), Ruby on Rails, ASP.NET MVC, WebSockets, GraphQL, REST APIs, CMS (WordPress, Joomla, Drupal), Webflow, Bubble.io. Mobile Development: React Native, Flutter, Kotlin, Swift, Java (Android), Objective-C (iOS), Ionic, Xamarin, Firebase, ARCore, BLE, App Store / Play Store Deployment. Game Development: Unity3D, Unreal Engine 4/5, Godot, Phaser.js, WebGL, Three.js, Game Physics, Multiplayer, NFT Game Mechanics (P2E, S2E), 2D/3D Animation. AI, ML & Computer Vision: ChatGPT, GPT-3/4, TensorFlow, PyTorch, OpenCV, YOLO, OCR, NLP, BERT, AI Chatbots, Recommendation Systems, Deep Learning, Custom AI Models. eCommerce Solutions: Shopify, WooCommerce, Magento 2, PrestaShop, OpenCart, BigCommerce, Odoo, Zoho, WHMCS, VTiger, SuiteCRM, Salesforce Commerce. IoT & Embedded Systems: Arduino, Raspberry Pi, ESP32, STM32, MicroPython, FreeRTOS, MQTT, CAN Bus, MATLAB, Simulink, Jetson Nano, Edge AI. Data & Analytics: MySQL, PostgreSQL, MongoDB, Redis, Firebase, BigQuery, Power BI, Tableau, Kafka, ETL Pipelines, Data Warehousing. DevOps & Cloud: Docker, Kubernetes, Jenkins, AWS, Azure, GCP, Heroku, DigitalOcean, GitHub Actions, Terraform, Ansible, Vercel, Netlify. Design & UI/UX: Figma, Sketch, Adobe XD, Canva, Wireframing, Responsive Design, Logo & Icon Design, Motion Graphics. Automation & Scripting: Python, Bash, Shell, Selenium, Puppeteer, RPA, Web Scraping, Macro Tools. If you're looking for a reliable, versatile developer who values quality and communication, feel free to reach out. Let’s build something exceptional! less
Hire realroshan102
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I completed my Bsc in Computer Science & Engineering from RUET, Bangladesh, and my Masters in Computer Science at Maharishi University of Management, USA. I architect and deliver production-grade AI solutions and scalable SaaS platforms from concept to deployment. My expertise spans building secure, high-performance...I completed my Bsc in Computer Science & Engineering from RUET, Bangladesh, and my Masters in Computer Science at Maharishi University of Management, USA. I architect and deliver production-grade AI solutions and scalable SaaS platforms from concept to deployment. My expertise spans building secure, high-performance Retrieval-Augmented Generation (RAG) systems with hybrid search, reranking, and strict citation guardrails, alongside developing full-stack applications with robust observability and maintainability. On the AI/ML side, I specialize in designing and evaluating RAG pipelines - implementing vector search (pgvector), hybrid retrieval, and evaluation dashboards to optimize accuracy, latency, and cost. On the engineering side, I develop multi-tenant applications using React/Next.js and Node.js/TypeScript, backed by PostgreSQL with Row-Level Security, efficient indexing, and Redis/BullMQ for job orchestration. I ensure system reliability through comprehensive monitoring, feature-flagging, and CI/CD-driven deployments. I look forward to partnering with you to architect a solution that not only meets your technical requirements but also advances your strategic business objectives. Best regards, Faruque less
Hire fhossen
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cindyviorinar cindyviorinar
$20 USD / hour
Verified Web | Mobile | Desktop App | AI EngineerIndonesiaI’m a Full-Stack Developer who builds web, mobile, and desktop applications end-to-end — from UI to backend, database, and deployment. I focus on clean, maintainable code, stable releases, and clear communication. What I can help you build • Web apps & dashboards: Next.js/React, responsive UI, admin panels,...I’m a Full-Stack Developer who builds web, mobile, and desktop applications end-to-end — from UI to backend, database, and deployment. I focus on clean, maintainable code, stable releases, and clear communication. What I can help you build • Web apps & dashboards: Next.js/React, responsive UI, admin panels, multi-role systems • Backend & APIs: PHP (Laravel), Python (FastAPI/Django), .NET (C#), REST/GraphQL, webhooks • Mobile apps: Flutter / React Native (or mobile-ready web/PWA when needed) • Desktop apps: Windows desktop tools with .NET (C#), internal utilities, offline workflows • Databases & performance: PostgreSQL/MySQL, migrations, caching, query optimization • Integrations: payments, email/SMS, third-party APIs, authentication, file uploads, reporting/export (CSV/PDF) How I work • Clarify requirements → create a simple plan and milestones • Frequent updates and clean documentation/README • Strong attention to security basics, error handling, and testing where it matters Whether you need an MVP, bug fixes, feature upgrades, or a complete rebuild, I can jump in and deliver a reliable result. less
Hire cindyviorinar
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Welcome to my profile! Ahmed Hassan is a seasoned Senior Web and Mobile AI Engineer with over 15 years of experience in designing, developing, and deploying innovative software solutions. With a robust background in full-stack development, I specialize in creating scalable web applications and mobile platforms that...Welcome to my profile! Ahmed Hassan is a seasoned Senior Web and Mobile AI Engineer with over 15 years of experience in designing, developing, and deploying innovative software solutions. With a robust background in full-stack development, I specialize in creating scalable web applications and mobile platforms that leverage artificial intelligence to enhance user experience and functionality. Throughout my career, I have successfully led cross-functional teams, managed complex projects, and implemented cutting-edge technologies in various domains, including e-commerce, healthcare, and finance. Passionate about staying at the forefront of technology, I continuously explores new advancements in AI and machine learning to drive efficiency and innovation. ✨ Why should you hire me? ✅Full-time & Fast communication (24 hours / 7 days) ✅ Delivering the high-quality web & mobile application ✅ Enhance the User Interface and functionality ✅ AI-powered web & mobile application ✅ Provide the clean & minimalist UI/UX design If we have a chance to discuss your project, it is thankful for me. I am dedicated to meeting deadlines while upholding the highest standards in everything I do. Best regards, Ahmed Hassan less
Hire Ahmedh058
