J2EE Developers For Hire
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Hire devetar
Software and Hardware Engineer with 14 years of experience delivering reliable technical solutions across multiple industries, including hospitality, environmental monitoring, gaming, fintech, and healthcare, with a strong background in embedded systems, electronic hardware design, firmware development, system-level...Software and Hardware Engineer with 14 years of experience delivering reliable technical solutions across multiple industries, including hospitality, environmental monitoring, gaming, fintech, and healthcare, with a strong background in embedded systems, electronic hardware design, firmware development, system-level engineering, and modern software development. less -
Hire winmaclin
⭐ Top 1% on Freelancer.com | Narola Infotech - Digitalising Businesses Since 2005 ✎ About Us We are Narola Infotech, a globally recognized IT solutions company with 20+ years of experience delivering high-performance web, mobile, and enterprise software solutions to 1500+ happy clients across 50+ countries. Trusted...⭐ Top 1% on Freelancer.com | Narola Infotech - Digitalising Businesses Since 2005 ✎ About Us We are Narola Infotech, a globally recognized IT solutions company with 20+ years of experience delivering high-performance web, mobile, and enterprise software solutions to 1500+ happy clients across 50+ countries. Trusted by Fortune companies like CGI, L&T, Infosys, Biocon, and TVSNext. We don't just build software, we build lasting partnerships. Our approach is simple: understand your vision, deliver beyond expectations, and stay with you every step of the way. ✎ Why Choose Us? ➬ 20+ Years of Industry Experience ➬ 350+ Talented IT Professionals ➬ 3000+ Successfully Delivered Projects ➬ 95% Client Retention Ratio ➬ 4.9 ⭐ Clutch Rating ➬ 100% Project Success Ratio ➬ Clutch Top 1000 Companies Global 2022 ➬ Best Outsourcing Company - SGCCI ✎ Our Services ➬ Custom Web & Mobile App Development ➬ Custom Enterprise Software Development ➬ AI/ML & Data Analytics Solutions ➬ QA & Software Testing (Automation, Security, Performance) ➬ DevOps, Cloud Migration & Managed Services ➬ Salesforce Consulting, Implementation & Support ➬ Staff Augmentation - Dedicated Teams or Individual Developers ➬ Support & Maintenance ✎ Tech Stack ➬ Frontend: ReactJS, AngularJS, VueJS, NextJS, NuxtJS ➬ Backend: Node.js, Java, PHP, Laravel, .NET, Python, Django, WordPress ➬ Mobile: Flutter, React Native, iOS (Swift), Android (Java/Kotlin) ➬ Cloud & DevOps: AWS, Azure, Docker, Kubernetes, Jenkins, CI/CD, Terraform ➬ Database: MySQL, MongoDB, PostgreSQL, Firebase, MS-SQL ➬ Other: Salesforce, MS Dynamics 365, Power Platform, Big Data, AI/ML, Automation ✎ Industries We Serve ● Fintech ● Healthcare ● Retail & Ecommerce ● Education ● Real Estate ● Media & Entertainment ●Transport & Logistics ✎ Our Strengths ➬ Agile Development Methodology ➬ Daily & Weekly Progress Reports ➬ Clear Communication & Collaboration ➬ 100% Plagiarism-Free & Secure Delivery ➬ Guaranteed Data Privacy & NDA Protection ➬ Flexible Engagement Models: ● Fixed Cost ● Time & Material (Hourly) ● Dedicated Team ● Hybrid Model (Fixed + Hourly) ✎ Our Promise "You will get the value of every penny you spend. We are committed to driving your business forward with reliable, quality solutions powered by technology and innovation." - Ashish Narola, CEO less -
Hire KarthikTechCon
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 arilrivenski
Hi, I am Aril and I’m a senior software engineer with 9+ years of experience building web platforms, automation systems, AI tools, and mobile applications for startups and businesses. Over the years, I’ve worked on everything from SaaS platforms and AI-powered workflows to mobile apps, backend systems, and cloud...Hi, I am Aril and I’m a senior software engineer with 9+ years of experience building web platforms, automation systems, AI tools, and mobile applications for startups and businesses. Over the years, I’ve worked on everything from SaaS platforms and AI-powered workflows to mobile apps, backend systems, and cloud infrastructure. I enjoy building products that are clean, scalable, and actually useful for real business problems. Recently, most of my work has been focused on AI automation, workflow systems, and modern full-stack applications using technologies like OpenAI, Node.js, Python, React, Next.js, Flutter, and cloud services. I have successfully developed: - AI-powered SaaS platforms - Business process automation systems - Multi-agent AI workflows - CRM & ERP integrations - WhatsApp & Telegram automation bots - RAG-based AI applications - Mobile apps for Android & iOS - Cloud-native backend infrastructures - Real-time dashboards and APIs My main stack includes: - Frontend: React, Next.js, Vue.js, TypeScript, Tailwind CSS - Backend: Node.js, Express.js, NestJS, Python, FastAPI, Django, Laravel - AI & Automation: OpenAI API, LangChain, AI Agents, RAG Systems, n8n, Zapier - Mobile: Flutter, React Native, Android, iOS - Blockchain: Solidity, Ethereum, Solana, Web3.js - Database & Cloud: PostgreSQL, MongoDB, Redis, Firebase, AWS, Docker, Kubernetes I can help with: - Full-stack web development - AI integrations and automation - SaaS platform development - Mobile app development - API development and integrations - Cloud infrastructure & DevOps - System architecture and scaling - MVP development for startups I communicate clearly, work independently, and focus on delivering stable, high-quality solutions that are ready for real users and business growth. less -
Hire ska234
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 arturg6
Hello and welcome! I am a Full Stack Developer, AI Engineer, and Mathematics Researcher with a strong academic background in mathematics, scientific computing, machine learning, and software development. My experience combines advanced mathematical problem-solving, research methodology, and modern software...Hello and welcome! I am a Full Stack Developer, AI Engineer, and Mathematics Researcher with a strong academic background in mathematics, scientific computing, machine learning, and software development. My experience combines advanced mathematical problem-solving, research methodology, and modern software engineering to create efficient, scalable, and intelligent solutions for businesses, startups, and individuals. 🎓 Academic Background ✓ Master's Degree in Mathematics ✓ Doctoral Research Experience in Mathematics ✓ Published Research Author ✓ Scientific Computing & Mathematical Modeling ✓ Advanced Statistics & Data Analysis 💻 Development Expertise 🔹 Frontend Development • React.js • Next.js • Vue.js • TypeScript • JavaScript (ES6+) • HTML5, CSS3, Tailwind CSS 🔹 Backend Development • Node.js & Express.js • Python (Django, Flask, FastAPI) • PHP & Laravel • RESTful APIs • Authentication & Security 🔹 Database Systems • PostgreSQL • MySQL • MongoDB • SQLite • Database Design & Optimization 🤖 Artificial Intelligence & Data Science • OpenAI & ChatGPT Integration • AI Chatbot Development • LangChain Applications • Machine Learning Solutions • Natural Language Processing (NLP) • TensorFlow & PyTorch • Data Analytics & Visualization • Predictive Modeling • Automation & Intelligent Workflows ☁️ Cloud & DevOps • AWS Cloud Services • Google Cloud Platform (GCP) • Docker & Kubernetes • CI/CD Pipelines • Linux Server Administration • Nginx & Apache • Infrastructure Automation 📊 Mathematics & Research My mathematical background enables me to approach projects with strong analytical thinking and precision. Areas of interest include: • Machine Learning • Graph Theory • Optimization Algorithms • Statistical Analysis • Scientific Computing • Linear Programming • Mathematical Modeling • Data Mining ⭐ Why Choose Me? ✓ Strong Problem-Solving Skills ✓ Research-Oriented Mindset ✓ Clean & Maintainable Code ✓ Fast and Clear Communication ✓ Reliable Project Delivery ✓ Scalable and Secure Solutions ✓ Long-Term Technical Support 🎯 My Goal To help clients transform ideas into high-quality digital products through modern web technologies, artificial intelligence, and data-driven solutions. Whether you need a web application, AI-powered system, automation workflow, API integration, database solution, or custom software, I am ready to help bring your vision to life. 📩 Feel free to contact me to discuss your project. less -
Hire bhoopendravw
I am basically a java developer with 15 years of experience and currently working as project lead in Asia's no 1 travel domain company. I have worked on all different arenas of software development. I feel passion for technology . I would be more than happy if you give me chance to do some service for you. I hope I...I am basically a java developer with 15 years of experience and currently working as project lead in Asia's no 1 travel domain company. I have worked on all different arenas of software development. I feel passion for technology . I would be more than happy if you give me chance to do some service for you. I hope I would be a valuable asset for your project less -
Hire MiguelLam
Hi, im Miguel Lam Im actually looking for doing a good job whatever the project is and also learn more on every one. I hope I can help you and deliver a really nice product. Regards.Hi, im Miguel Lam Im actually looking for doing a good job whatever the project is and also learn more on every one. I hope I can help you and deliver a really nice product. Regards. less -
Hire adisonw
------------------------------------------------------------------------------------------------------------------------------------------------------------------ ⚡ Need a Software Engineer that the CLIENTS LOVE? Let's talk!⚡ Welcome to be here and thank you so much. I believe you are interested in me when you visit...------------------------------------------------------------------------------------------------------------------------------------------------------------------ ⚡ Need a Software Engineer that the CLIENTS LOVE? Let's talk!⚡ Welcome to be here and thank you so much. I believe you are interested in me when you visit my profile page. I am a highly skilled Full Stack, Mobile Engineer, AI, and Blockchain with over 11+ years of hands-on experience. I've successfully built several websites, mobile apps, AI project, and Web3 apps, and these will be great help for future work. ⭐ Tech Stack: ✔️ Frontend: HTML, React, Next, Vue ✔️ Backend: PHP, Express, Django ✔️ Mobile: Flutter, React Native, Kotlin, Java, Swift ✔️ Database: MySQL, PostgreSQL, MongoDB ✔️ Payment: Stripe, Paypal ✔️ AI: Python, Tensorflow, Keras ✔️ Web3: Solidity, Rust, Smart Contract ⭐ Help you with: ✔️ Develop responsive, modern Web apps. ✔️ Build secure and stable Backend ✔️ Develop cross-platform Mobile apps ✔️ Integrate payment gateways ✔️ Implement efficient CNN + LSTM ✔️ Develop sophisticated Smart Contact ✔️ Support real-time communication ⚡ Now I can swear ⚡ " I am the dev who will consider your project as my own. Deadlines, clean code, and performance? I won't miss. I will never let you worry or be disappointed with your project." less -
Hire techassist7865
techassist7865 techassist7865
$35 USD / hour
Vibe coding clean-up specialist, Full stack Dev.PakistanI have over 10+ years of expertise being a Full-stack developer, Solution Architect, and Technical Business Analyst. Over the course of my Freelancing career, I have actively participated in the successful completion of software projects in the following niches. - B2B Marketplace. - FinTech. - SaaS. - B2C...I have over 10+ years of expertise being a Full-stack developer, Solution Architect, and Technical Business Analyst. Over the course of my Freelancing career, I have actively participated in the successful completion of software projects in the following niches. - B2B Marketplace. - FinTech. - SaaS. - B2C Marketplace. - Generative AI (GPT API, Custom API, or similar). - Cross Platform Application development. - Progressive Web App (PWA). - Web Scraping & Software Automation. - DevOps. - CMS. - IoT (Internet of Things). - ELT & ETL. - Vibe Coding clean-up specialist. - Agentic AI and MCP development. - Prompt Engineering. My play area, - Web Application development: Bootstrap, Tailwind, Ant Design, React.js, Three.js, Angular.js, Vue.js, TypeScript, JavaScript, Node.js, Express.js, Next.js, Nest.js Nuxt.js, MEAN Stack, MERN Stack, Lambda functions, ASP.net core, Django, Java Spring Boot, ROR, Python, PHP ( Laravel, CodeIgniter (CI) ). - Desktop Application Development: Flutter, PyQT, Vb.net, C#.net. - Mobile Application Development: React Native, Flutter, Xamarin, Kotlin, Swift. - IoT: Node-red. - CMS: WordPress, Shopify, Bubble.io, Wix, Moodle, Magento, Drupal, Webflow, BigCommerce, Squarespace. - Web Scrapping & Software Automation. Python, Selenium web driver, Puppeteer, Proxy mapping (Residential & Commercial), Captcha Verification. - UI/UX Prototyping: Figma, Adobe XD, Adobe Illustrator, Adobe Photoshop. - DevOps: CI/CD, Amazon Web Services (AWS), AWS Amplify, Google Cloud Platform (GCP), Heroku, Smartfox server (Multiplayer Game Server). - DB and RDBMS: PostgreSQL, Mongo DB, MySQL, No SQL, Indexed DB, MS SQL. - AI: Prompt Engineering, Integration and customisation using Open AI, Google Gemini, Deepseek. Chat Bot development. - Game Development: Unity, AR, VR, Three.js, Unreal. Why me? - Meticulous Attention to Detail. ❤️ - Over 350K lines of code written. - Flexible working hours as per your need. - Seamless Collaboration. - Swift Execution. - Dependable & Efficient. - Fluent in English. Elevate your project to new heights with my proven expertise, unparalleled creativity, and unwavering commitment to excellence. Let's embark on this thrilling journey together and craft a masterpiece that will leave a lasting impression. So what are you waiting for? Your dev and IT assistance is just one click away. Simply hit the "Hire Me" button and let's get this started. less
