Java Developers For Hire
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Sponsored Freelancers
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✪ ✪ ✪ IN TOP 1% Freelancers of Freelancer.com ✪ ✪ ✪ We’re a Pakistan-based software development team helping startups, SMBs, and enterprises build high-quality digital products — fast and efficiently. From mobile apps and custom websites to eCommerce platforms and AI-powered solutions, we turn your ideas into real,...✪ ✪ ✪ IN TOP 1% Freelancers of Freelancer.com ✪ ✪ ✪ We’re a Pakistan-based software development team helping startups, SMBs, and enterprises build high-quality digital products — fast and efficiently. From mobile apps and custom websites to eCommerce platforms and AI-powered solutions, we turn your ideas into real, scalable software. Our expertise now includes AI/ML development and Generative AI integration, helping clients automate workflows, build smart features, and stay ahead with the latest in AI technology. We use proven tools, agile processes, and a partner-first mindset — offering clear communication, reliable delivery, and long-term support. Our core skills: ✅ UX/UI Design ✅ iOS & Android Apps ✅ Web Development (ReactJS, Laravel, Ruby on Rails, PHP/MySQL, Python) ✅ WordPress & Shopify ✅ Custom eCommerce Solutions ✅ API Integrations ✅ AI/ML & Generative AI Development Let’s build something great — together. less
Hire AdeelAslam4
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Our company specializes in providing Customized Web Solutions. We work mainly on PHP, JAVA-J2EE, and Python platforms. Our expertise in PHP includes: Frameworks like Laravel, Codeigniter, CakePHP and Open Source Packages like WordPress and Magento. In JAVA-J2EE, we have experts in Spring, Spring Security, Spring...Our company specializes in providing Customized Web Solutions. We work mainly on PHP, JAVA-J2EE, and Python platforms. Our expertise in PHP includes: Frameworks like Laravel, Codeigniter, CakePHP and Open Source Packages like WordPress and Magento. In JAVA-J2EE, we have experts in Spring, Spring Security, Spring Social, Struts2, Hibernate, JPA, Spring Micro-Services, Spring Boot and Spring Data JPA. We also have experience in Python development, including web applications and automation solutions. We have a team of efficient and professional experts in each of the fields of web development. All of our team members are dedicated to address and solve clients' individual needs. We always keep in mind that the services we provide get the proper and effective attention that it deserves. Based on what the client prefers, we use JIRA, Asana or Trello as project management/bug tracking tools. For repository, we use Bitbucket, GitHub, GitLab or SVN. We have done projects on Flutter, IONIC, AngularJS, Vue.js, React.js, and Bootstrap. Our client base is spread across US, Canada, Europe & Asia. less
Hire trustus
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Senior Systems & Security Engineer with 15+ years in enterprise-grade IT. I design, harden, and operate high-availability infrastructure, and I streamline delivery with automation and clean processes. My focus: reliability, security, and clear documentation—so changes are low-risk and handovers are...Senior Systems & Security Engineer with 15+ years in enterprise-grade IT. I design, harden, and operate high-availability infrastructure, and I streamline delivery with automation and clean processes. My focus: reliability, security, and clear documentation—so changes are low-risk and handovers are effortless. Strengths: Infrastructure architecture & operations (Linux/Windows, virtualization, networking) Security hardening, identity & access, monitoring/observability Automation & DevOps practices (CI/CD, config management, IaC) Migrations and upgrades with minimal downtime Concise runbooks, risk-aware planning, and stakeholder-friendly communication Certifications: CompTIA Security+, Microsoft MCSE/MCSA/MCITP Languages: English (C2), German (C1), native Romanian Location: Germany • NDA-friendly • Reliable and responsive less
Hire iosifpeterfi
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Hello! I'm Nikita Gupta, a passionate Full-Stack Developer with deep expertise in Web Development, Mobile App Development, and AI/ML technologies. experience in SEO and Digital Marketing, making me uniquely equipped to deliver not just functional products but solutions that perform, scale, and grow your online...Hello! I'm Nikita Gupta, a passionate Full-Stack Developer with deep expertise in Web Development, Mobile App Development, and AI/ML technologies. experience in SEO and Digital Marketing, making me uniquely equipped to deliver not just functional products but solutions that perform, scale, and grow your online presence. My mission is to build robust, scalable, and intelligent systems that drive business growth and create exceptional user experiences. Whether you're launching a high-performing web app, a dynamic mobile application, or looking to integrate AI/ML into your platform I can help turn your vision into reality. 🔧 What I Can Do for You: ✅ Full-Stack Web Development Frontend: Proficient in HTML5, CSS3, JavaScript, and modern frameworks like React, Vue.js, and Angular to build clean, responsive, and engaging user interfaces. Backend: Experienced with Node.js, Express, Django, and Flask for building secure and scalable server-side architectures. I also work with MongoDB, MySQL, PostgreSQL, and SQLite for efficient data management. 📱 Mobile App Development (iOS & Android) Cross-Platform: Using Flutter and React Native to build seamless, high-quality apps across Android and iOS from a single codebase. Native Development: Skilled in Swift (iOS) and Kotlin (Android) for performance-focused, platform-specific applications. 🤖 AI & Machine Learning Integration AI Features: Implement NLP, computer vision, and smart analytics for intelligent user experiences. ML Models: Use TensorFlow, PyTorch, and scikit-learn to develop and deploy predictive models and automations tailored to your business needs. 🎨 UI/UX Design I design modern, intuitive interfaces that offer smooth user journeys—combining functionality with visual appeal across web and mobile platforms. 📈 SEO & Digital Marketing With a strong foundation in SEO best practices, I optimize websites for visibility and traffic. I also provide digital marketing strategies that grow your brand and drive user engagement. If you’re looking for a full-stack partner who can build, optimize, and intelligently scale your product—I’m here to help. Let’s connect and make something amazing together! Best regards, Nikita less
Hire mahig47
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TECHNOEXPONENT TECHNOEXPONENT
$15 USD / hour
CMMI Level 5 Company | Top 1% AI/ML Sol. ProviderIndia✔️ Techno Exponent (CMMI Level 5 & Level 3 Compliance, ISO/IEC 27001:2022, ISO/IEC 20000-1:2018, ISO 9001:2015 certified) Achievements: • Awarded “STARZ AI/ML Solution Provider of the Year 2024” by Starz Magazine • Awarded “Leading App Development Company 2023” by the Times Group • Awarded “Times Leading IT...✔️ Techno Exponent (CMMI Level 5 & Level 3 Compliance, ISO/IEC 27001:2022, ISO/IEC 20000-1:2018, ISO 9001:2015 certified) Achievements: • Awarded “STARZ AI/ML Solution Provider of the Year 2024” by Starz Magazine • Awarded “Leading App Development Company 2023” by the Times Group • Awarded “Times Leading IT Company 2022” by the Times Group (Times of India) • Awarded “Leading Customer-Centric IT Company 2022” by the Times Group • Awarded “Fastest Growing Brand 2021-22” by Asia One Forum Year Founded: 2011 * Total Employees: ~450+ Our Office Locations: Kolkata, India | Florida, USA ✔️✔️ Our Expertise: AI, ML, DevOps, Blockchain Backend: Node.js, Java Spring Boot, Python / Django, Laravel / PHP Frontend: React.js, Angular, Vue.js HTML5, CSS3 DB: MySQL, MongoDB, PostgreSQL, MariaDB, CouchDB, SQLite, MSSQL, etc. Android App: Kotlin, Java, Flutter, React Native iOS App: Swift, Flutter, React Native ✔️✔️ Elite Clients: NASA Engineers, Red Bull, Disney, Amazon, HBS, etc. We have served 3000+ clients and 4000+ Projects in the last 14+ years ✔️✔️ Why us • Fluent in Spoken and Written English • Developers with B.E./M.E. in Computer Science from reputed universities • Daily updates and bi-weekly meetings • Proficiency in Agile methodology, GitHub, Bitbucket, AWS, Google Cloud, etc. • NDA & IP security • Flexible across all time zones • 100% transparency less
Hire TECHNOEXPONENT
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sharmarahulraman sharmarahulraman
$25 USD / hour
Full-Stack Developer | Apps, Websites & CloudIndiaFull-Stack Developer | 10+ Years Experience | Mobile, Web & Scalable Backend Solutions Hi, I am a passionate and results-driven mobile app and website developer with 10 years of experience delivering high-quality digital solutions for clients across various industries. I specialize in building user-friendly,...Full-Stack Developer | 10+ Years Experience | Mobile, Web & Scalable Backend Solutions Hi, I am a passionate and results-driven mobile app and website developer with 10 years of experience delivering high-quality digital solutions for clients across various industries. I specialize in building user-friendly, responsive, and scalable applications tailored to meet your business needs. My Core Skills: ➡️Mobile App Development: Flutter, React Native, Kotlin, Swift ➡️Website Development: Laravel, CodeIgniter, Node.js, Next.js, Nuxt.js, React.js, PHP, CodeIgniter ➡️UI/UX Design: Figma, Stitch ➡️Database & Backend: MySQL, Firebase, MongoDB, RESTful APIs ➡️Tools & Technologies: Socket.IO, Docker, GitHub, Firebase, REST APIs, and Postman. ➡️Deployment & Support: Play Store, App Store, Web Hosting, Maintenance. I am committed to delivering high-quality, user-centric designs that seamlessly blend aesthetics with functionality. Let’s collaborate to bring your vision to life! Thanks & Regards, Rahul Raman Sharma Full-Stack Developer | Cross-Platform App Developer less
Hire sharmarahulraman
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ZAWN Tech is a trusted software company founded in 2014, delivering complete digital solutions for startups and enterprises worldwide. Our certified developers combine deep technical knowledge with real-world project experience to build fast, secure, and scalable systems. Core Expertise Blockchain: Metaverse, Web3,...ZAWN Tech is a trusted software company founded in 2014, delivering complete digital solutions for startups and enterprises worldwide. Our certified developers combine deep technical knowledge with real-world project experience to build fast, secure, and scalable systems. Core Expertise Blockchain: Metaverse, Web3, NFTs, NFT Games, Smart Contracts, Arbitrage & Sniper Bots, DEX / DApp Development (Ethereum, BSC, Polygon, Solana, WAX). Web & SaaS Development: Full-stack using React, Node.js, Laravel, Django, and Next.js. Integration with Odoo, Bubble.io, Zoho, and Webflow. eCommerce: Shopify, WooCommerce, Magento, and custom marketplace platforms with payment, shipping, and ERP integrations. Mobile Apps: Native and cross-platform (Flutter, React Native, Android, iOS). AI & Computer Vision: Chatbots, GPT integrations, TensorFlow, OpenCV, and OCR systems. Game Development: Unity 3D, Unreal, and WebGL with multiplayer, blockchain, and AR/VR support. Trading & Financial Automation: MT4/5, TradingView, Binance, Interactive Brokers, and algorithmic trading bots. Hardware & IoT: Arduino, Raspberry Pi, ESP32, MATLAB, embedded control, and automation projects. With 200+ recommendations and over a decade of experience, we turn complex ideas into reliable, production-ready solutions — delivered with clear communication and long-term support. less
Hire AwaisChaudhry
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Generative AI Expert | Full Stack Developer | Problem Solver for Startups and Enterprises I help startups & enterprises launch intelligent systems and scalable web apps, think CHATGPT-powered agents, RAG pipelines, and full-stack platforms. With 8+ years of proven experience in OpenAI integrations, LangChain...Generative AI Expert | Full Stack Developer | Problem Solver for Startups and Enterprises I help startups & enterprises launch intelligent systems and scalable web apps, think CHATGPT-powered agents, RAG pipelines, and full-stack platforms. With 8+ years of proven experience in OpenAI integrations, LangChain Workflows, React.js, Next.js Frontend and FastApi/Django/Node backends, I deliver high-performance, reliable, ROI-focused solutions, fast. Full-Stack Development: - Python: Django, FastAPI | JavaScript/TypeScript: React, Next.js - Databases: PostgreSQL, Firebase (RTDB/Firestore) - REST APIs, Webhooks, Auth (OAuth, Auth0) - Docker, CI/CD pipelines, GitHub Actions - Cloud: AWS (Lambda, S3, EC2), GCP, Vercel Generative AI & Automation: - GPT-4 / ChatGPT / Assistants API - LangChain, LlamaIndex, Prompt Engineering - RAG Pipelines: Pinecone, Weaviate, FAISS - Vector DBs & Embeddings - AI Chatbots & Custom Agents - Automation: Zapier | n8n | Firebase integration Collaboration & Delivery: - Agile/Scrum, Jira, ClickUp, Slack, Trello - Technical Documentation & API Specs - Clear communication & milestone tracking Sample Projects & Case Studies: - AI agent for customer support "Built a conversational AI support assistant using OpenAI GPT-4, LangChain, and Weaviate, integrated with a client's knowledge base. Deployed on their website, it reduced live chat volume by 60% within 30 days." - Rag pipeline for legal tech startup "Developed a retrieval-augmented generation pipeline using Pinecone, FastAPI, and OpenAI embeddings, enabling real-time document summarization for legal teams. Delivered within 3 weeks, helped close $100k+ in enterprise deals." I typically deliver MVPs in 1-3 weeks, depending on scope, and love working with long-term clients looking to scale less
Hire techstar12
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Exceed Your Expectation! Let's Do It Together!! We are a team of experienced Mobile App & Web Developers with over 10+ years in delivering high-quality digital solutions. Our expertise spans mobile and web development, backend integration, automated testing, UI/UX design, and performance optimization. We build...Exceed Your Expectation! Let's Do It Together!! We are a team of experienced Mobile App & Web Developers with over 10+ years in delivering high-quality digital solutions. Our expertise spans mobile and web development, backend integration, automated testing, UI/UX design, and performance optimization. We build scalable, secure, and intuitive applications tailored to business needs. Core services: – Custom mobile & web app development – E-commerce platform development (Shopify, Bigcommerce, Woocommerce, Magento) – Blockchain dApp development – User-focused UI/UX design – Backend integration & automation – App optimization & performance monitoring – Security, testing & CI/CD pipelines We collaborate closely with clients to turn ideas into impactful products, staying up to date with the latest tech and trends. Whether launching a new product or improving an existing one, we bring the skill and dedication to help your business succeed. less
Hire diektech
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I am a dedicated Electrical Engineer with a Master’s in Embedded Systems, specializing in firmware development, PCB design, and complete IoT product engineering. From concept to market-ready product, I deliver robust embedded solutions that combine hardware, software, and intelligent connectivity. Core Expertise ->...I am a dedicated Electrical Engineer with a Master’s in Embedded Systems, specializing in firmware development, PCB design, and complete IoT product engineering. From concept to market-ready product, I deliver robust embedded solutions that combine hardware, software, and intelligent connectivity. Core Expertise -> Microcontrollers & Embedded Systems: STM32, ESP32, TI Tiva, C2000, MSP430 (Texas Instruments), NXP LPC & i.MX RT, Nordic nRF52/nRF53, Microchip PIC32 & dsPIC, Raspberry Pi, and Arduino. -> Firmware Development: Embedded C/C++, RTOS, DMA, peripheral drivers, wireless stacks (BLE, Wi-Fi, LoRa, Zigbee). -> PCB Design & RF Hardware: Professional PCB layouts using Altium Designer, KiCad, Eagle, EasyEDA and Target. Specialized in RF, IoT, and high-speed boards. -> FPGA Development: Verilog/VHDL for signal processing, hardware acceleration, and high-performance digital systems. -> AI, Machine Learning & Deep Learning: Intelligent algorithms for edge devices, control, and data analysis. -> Robotics & Control: Robotic platforms, precision motor control (FOC, PID), and industrial automation. -> Biomedical Instrumentation: Embedded systems for healthcare and diagnostic devices. -> CAD & Mechanical: 3D CAD modeling for custom housings and production-ready enclosures. Full Product Development Workflow From Idea → Prototype → Final Product System Architecture & Schematics Firmware Development (optimized embedded coding & drivers) PCB Design (multi-layer, RF, low-power, IoT-ready) AI/ML Integration (edge computing & analytics) IoT Connectivity (MQTT, APIs, BLE, Wi-Fi, LoRa, Zigbee) Web & Mobile App Development (real-time dashboards & control apps) Mechanical CAD (3D modeling & enclosures) Software Development Web Applications: Cloud dashboards, real-time monitoring, secure APIs, SaaS platforms. Mobile Applications: Cross-platform IoT control, monitoring, and productivity apps. IoT Communication: Secure & scalable device-to-cloud pipelines (MQTT, REST, WebSockets). Trading & FinTech: Algorithmic trading systems, exchange integrations (Binance, TradingView APIs). Game Development: WebGL, HTML5, Unity3D, 3ds Max, Maya, Unreal Engine 4/5, Godot. Emerging Tech: Blockchain & Web3 apps, AI-powered platforms, cloud-native solutions (AWS, Azure, GCP). less
Hire Mahihassi
