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Sponsorerede Freelancere
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Seasoned Java/Full-Stack Developer with 14 years of experience, specializing in diverse industries such as hospitality, air and water quality monitoring, sports betting, casinos, fintech, and medicine. My expertise spans multiple technologies including Java, Kotlin, Go, JavaScript, TypeScript, Spring Boot,...Seasoned Java/Full-Stack Developer with 14 years of experience, specializing in diverse industries such as hospitality, air and water quality monitoring, sports betting, casinos, fintech, and medicine. My expertise spans multiple technologies including Java, Kotlin, Go, JavaScript, TypeScript, Spring Boot, PostgreSQL, MySQL, MongoDB, Node.js, Express.js, Nest.js, Next.js, React, Angular, and Vue. I hold a Master's degree in Computer Science. Throughout my career, I have provided the following services: ?️ Backend Development ? Frontend Development ?️ Web Development ?️ System Architecture ? Database Design & Modeling ? API Development & Integration ? IoT Backend Development ? AI Development & Integration ? Blockchain, DeFi, DApp, NFT ☁️ Cloud Engineering I have collaborated with global banking institutions, game development companies, startups, and several Fortune 500 clients across various sectors: ? Health Care ? Air and Water Quality Monitoring ? Sports Betting ? Casinos ? Fintech & Banking ? Medicine ? Hospitality I specialize in building secure and scalable blockchain solutions using Solidity, Ethereum, Polygon, Binance Smart Chain, and other EVM-compatible chains. I’ve delivered projects in DeFi, NFT marketplaces, DAOs, staking platforms, token development (ERC20, ERC721, ERC1155), and crypto payment gateways. I have deep knowledge of tokenomics, gas optimization, contract auditing, and full-stack dApps using React, Next.js, Node.js, and Web3.js/Ethers.js. I ensure all contracts are secure, upgradeable, and fully tested using tools like Hardhat, Truffle, and Foundry. I follow best practices in smart contract development with CI/CD, Git, and test-driven workflows. Whether you need a fully-featured dApp, NFT minting engine, DeFi protocol, or blockchain integration into existing systems, I’m here to deliver high-quality, production-ready code. As a Spring Boot expert, I have developed numerous robust backend systems, showcasing my ability to integrate complex server functionalities seamlessly. Here’s a snapshot of the tech stacks I've mastered: - Languages: Java, JavaScript, TypeScript - Frameworks: Spring Boot, React, Vue.js, Angular - Blockchain Development: Ethereum, Solana, Smart Contracts, Solidity, Rust, MemeCoins, Trading Strategies - Web Development: - Frontend: HTML5, CSS3, React, Vue, Angular - Backend: Spring Boot, Node.js, Express.js - Database Management: MySQL, PostgreSQL, MongoDB - DevOps and Collaboration Tools: Git, Docker, Jenkins, AWS, Azure - Software Testing: JUnit, Mockito, Selenium, Jest - Additional Skills: RESTful APIs, microservices architecture, Agile methodologies, DevOps practices My career is a testament to my dedication to continuous learning and embracing new challenges. I am enthusiastic about further enhancing my technical skills and am always prepared for the next technological advancements in the software development industry. mindre
Ansæt devetar
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1. Front-end Development - React.js, HTML/CSS/JavaScript/Vue.js 2. Back-end Development - Node.js/Express.js (MERN) - Django/Flask (Python) - PHP/Laravel, Wordpress 3. Database Management - MongoDB, SQL (PostgreSQL/MySQL) 4. API Development - RESTful and GraphQL APIs 5. Full-stack Application...1. Front-end Development - React.js, HTML/CSS/JavaScript/Vue.js 2. Back-end Development - Node.js/Express.js (MERN) - Django/Flask (Python) - PHP/Laravel, Wordpress 3. Database Management - MongoDB, SQL (PostgreSQL/MySQL) 4. API Development - RESTful and GraphQL APIs 5. Full-stack Application Development - SPAs, PWAs, and third-party integrations 6. Deployment and Hosting - Cloud services (AWS, Heroku, Azure) - CI/CD and Docker 7. Maintenance and Support - Performance, security, and scalability updates 8. Mobile App Development - React Native, Flutter - Android, iOS mindre
Ansæt moha262
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Full-stack developer with 8+ years of experience building scalable Mobile & Web applications. Skilled in Flutter, Solidity,Go, Ruby on Rails, Java Spring, Node and Server management. Experienced in delivering end-to-end solutions for clients ranging from startups to established businesses. Passionate about clean...Full-stack developer with 8+ years of experience building scalable Mobile & Web applications. Skilled in Flutter, Solidity,Go, Ruby on Rails, Java Spring, Node and Server management. Experienced in delivering end-to-end solutions for clients ranging from startups to established businesses. Passionate about clean code, performance optimization, and user-centered design. Core Skills - Mobile: Flutter, React Native, Java / Kotlin, Swift - Frontend: React.js, Next.js, Vue.js - Backend: Go, RoR, Java Spring, Node, PHP - Blockchain:Solidity, DApp, NFT - Databases: Oracle, MongoDB, GraphQL, MySQL, PostgreSQL - Tools & DevOps: Git, Docker, CI/CD, AWS, Firebase - Other: Agile, Scrum, Cross-functional collaboration mindre
Ansæt vudinhgiang
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Mkaits Technologies is a leading IT Firm committed to delivering a range of services that span the entire spectrum of IT Industry. Since 2019, we have specialized in providing Blockchain solutions, AI & Machine Learning, Big Data Analytics, Web & Mobile development, E-commerce, and Custom Software Solutions. We...Mkaits Technologies is a leading IT Firm committed to delivering a range of services that span the entire spectrum of IT Industry. Since 2019, we have specialized in providing Blockchain solutions, AI & Machine Learning, Big Data Analytics, Web & Mobile development, E-commerce, and Custom Software Solutions. We excel in blockchain technologies, offering DEX, DAPP, Web3, NFT, smart contracts, and DeFi solutions, using platforms like ETH, BSC, and Polygon. Our web & app development services cover Java, Python, PHP, JavaScript frameworks (Reactjs, Nodejs, Angular, Vuejs), and mobile platforms (React Native, Flutter). We also provide e-commerce solutions with expertise in WooCommerce, Shopify, and Magento. Our custom software solutions include AI, machine learning, and data science, using advanced technologies like TensorFlow and AWS. Whether you need blockchain integration, web & mobile development, e-commerce platforms, or custom software solutions, Mkaits is your trusted partner! mindre
Ansæt mughiraaa
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At Hynx Ltd, we are passionate about transforming ideas into cutting-edge solutions. Our core expertise lies in crafting dynamic web applications, secure blockchain infrastructures, and intelligent AI systems that empower businesses to excel in a digital-first world. We harness the latest technologies to build robust,...At Hynx Ltd, we are passionate about transforming ideas into cutting-edge solutions. Our core expertise lies in crafting dynamic web applications, secure blockchain infrastructures, and intelligent AI systems that empower businesses to excel in a digital-first world. We harness the latest technologies to build robust, scalable platforms that not only meet the demands of today but also anticipate the opportunities of tomorrow. Our innovative spirit extends beyond technology. With a solid foundation in civil engineering and a flair for video design, we bring a unique, multidisciplinary approach to every project. This blend of technical precision and creative vision allows us to deliver solutions that are both functionally powerful and visually captivating. Whether it's developing an intuitive web portal, designing a secure blockchain ecosystem, or producing engaging video content, we turn complex challenges into breakthrough results. At Hynx Ltd, we don't just follow trends—we set them. Join us as we push the boundaries of what's possible and redefine the future of technology and design. mindre
Ansæt martin926
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Hi! My name is Marjan, an accomplished professional with a decade of experience in delivering outstanding projects. Since 2010, I'm providing top-notch digital services. My passion lies in turning your vision into reality, and I'm thrilled to embark on this exciting journey with you. I guarantee a customized approach,...Hi! My name is Marjan, an accomplished professional with a decade of experience in delivering outstanding projects. Since 2010, I'm providing top-notch digital services. My passion lies in turning your vision into reality, and I'm thrilled to embark on this exciting journey with you. I guarantee a customized approach, timely delivery, and uncompromising quality. Let's collaborate and create something truly extraordinary together! Have a look at the services I offer: ✅ Wordpress Website Design and Development ✅ Shopify Website Design and Development ✅ Business Website Design and Development ✅ E-commerce Website Design and Development ✅ Custom Website Design and Development ✅ Portfolio Website Design and Development ✅ SaaS Website Design and Development ✅ Blog Website Design and Development ✅ Educational Website Design and Development ✅ Membership/Subscription Website Design and Development ✅ Real Estate Website Design and Development ✅ Dropshipping Website Design and Development ✅ Wix Website Design and Development ✅ Website Maintenance and Support Services ✅ Search Engine Optimization (SEO) I'm committed to delivering high-quality, creative, and engaging solutions for your project. Let's discuss your specific requirements and start working together to achieve your goals! mindre
Ansæt marjanahmed13
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Boris is a highly skilled professional from Serbia with exceptional expertise in designing and developing websites, mobile applications, games, automated bots, and AI solutions. He also brings strong knowledge in electrical and structural engineering, allowing him to approach projects with a rare multidisciplinary...Boris is a highly skilled professional from Serbia with exceptional expertise in designing and developing websites, mobile applications, games, automated bots, and AI solutions. He also brings strong knowledge in electrical and structural engineering, allowing him to approach projects with a rare multidisciplinary perspective. Boris is known for delivering high-quality results on time and for maintaining a positive, resilient attitude—even when facing complex challenges. He communicates clearly, respects client opinions, and consistently provides realistic, well-thought-out solutions. Anyone who has worked with Boris quickly recognizes his professionalism, reliability, and collaborative working style. If you are looking for top talent or need support with a challenging project, Boris is someone you can trust to deliver excellent results. Best regards. mindre
Ansæt borisdeveloper71
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**Full Stack Development:** -AI ,ML ,Python , LLM ,NLP , Deepseek , PHP, Laravel, VueJs CodeIgniter, CakePHP, Kohana, Yii, Node.js, Express.js, Python, NestJS, Zends, Symphony , Flutter, React Native, Dart Python, HTML5, CSS3, JavaScript, Bootstrap, Twig (templating engine), Next.js, Nuxt.js **Design &...**Full Stack Development:** -AI ,ML ,Python , LLM ,NLP , Deepseek , PHP, Laravel, VueJs CodeIgniter, CakePHP, Kohana, Yii, Node.js, Express.js, Python, NestJS, Zends, Symphony , Flutter, React Native, Dart Python, HTML5, CSS3, JavaScript, Bootstrap, Twig (templating engine), Next.js, Nuxt.js **Design & Prototyping:** - Figma, Adobe XD, Photoshop, Illustrator - Wireframing, Prototyping, UI/UX Improvements, UI/UX Redesign Technical/Domain expertise:--------------------------------- ✅ Programming experience: C++, Qt, QML, Python ✅ Qt/Cross Compilation ✅ Experienced with Open-Source VLC and FFmpeg. ✅Knowledge in an additional programming language: TypeScript, JavaScript, Golang ✅Libraries: Boost ✅ 3Dmodel Generation and Processing in C++ ✅WorkonOpenGL for 3d rendering ✅ Infrastructure and virtualization: AWS Services (Lambda, Step Functions, API Gateway, Glue, Batch, Elastic Beanstalk, S3, CloudFront, Route 53, CodePipeline, SageMaker, IoT Core, Bedrock), Digital Ocean, Docker, Google Cloud, Any shared and VPS panel. ✅ Serverless & Cloud: Experienced with AWS to design efficient and cost-effective applications. ✅ Real Time / IOT applications (Socket I/O, WebRTC, MQTT, PubSub, Web Push notifications, Alexa Skills) ✅ MongoDB, DynamoDB, PostgreSQL, mySQL, Redis, NoSQL ✅ Webservices: WSDL, SOAP, XML, Amazon Web services, JSON. ✅ Cloud: AWS ✅ VCS:Git ✅CI/CD: Jenkins ✅ Dev/DevOps: Agile (Scrum), GitLab, JIRA ✅ IDE: Qt Creator, Visual Studio ✅ OS:Linux, Window, Embedded Linux ✅Protocol: SPI, UART, RS485, ModBus, XY2-100, Gigabit Ethernet, USB ✅Experience to create and execute unit tests in Qt. ✅ Image Processing with OpenCV and C++/Qt. ✅Expertise in working in Agile model. Firmware development: Technical/Domain expertise:--------------------------------- ✅ Proficient in C, C++, VHDL and Embedded Linux. ✅ Firmware development: Raspberry Pi, ESP32, ESP8266, Arduino compatible ✅Various architecture x86, ARM based embedded system development including-Have a detailed understanding of the Linux boot and porting process and the role of the boot loader and Linux support package.-Linux porting to embedded custom board. ✅Experienced with ARM and FPGA Boards (USB, Ethernet). ✅Protocol: SPI, UART, RS485, XY2-100, Gigabit Ethernet ✅Digital design experience with VHDL, XILINX FPGAs, CPLDs. ✅CNCController ✅Experienced with 5 Axis Motion Controller Board mindre
Ansæt mayur8188
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⭐ React ⭐ Next.js ⭐ Python ⭐ AI ⭐ Web Scraping ⭐ Automation (Make, Zapier, n8n) ⭐ 👋 Hi, I am a Senior Full Stack Developer with over 15 years of experience building powerful, scalable, and intelligent applications. My work blends modern frontend engineering, robust backend systems, advanced automation workflows, and...⭐ React ⭐ Next.js ⭐ Python ⭐ AI ⭐ Web Scraping ⭐ Automation (Make, Zapier, n8n) ⭐ 👋 Hi, I am a Senior Full Stack Developer with over 15 years of experience building powerful, scalable, and intelligent applications. My work blends modern frontend engineering, robust backend systems, advanced automation workflows, and AI integration to create fully optimized digital solutions. I help businesses build fast, smart, and automated systems that save time, reduce manual work, and scale effortlessly. 🏆 Technical Expertise 🏆 🔔 Frontend Development - React.js • Next.js (App Router + Pages Router) - TypeScript • JavaScript - Tailwind CSS • Shadcn • Material UI - Component-driven architecture - Pixel-perfect UI 🔔 Backend & API Development - Python (FastAPI, Django, Flask) - Node.js (Express, NestJS if needed) - Scalable REST APIs & GraphQL - Authentication (JWT, OAuth2, roles/permissions) - Background jobs (Celery, Redis, Cron) 🔔 AI Automation & Integrations - AI agents / chatbots (OpenAI, Gemini, Llama) - Document processing (OCR, image-to-text, PDF parsing) - Intelligent workflow automation - Data classification & smart pipelines 🔔 Workflow Automation (No-Code + Low-Code) I build end-to-end automation systems that save hours of manual work. Platforms I Specialize In: - Make.com (Integromat) - Zapier - n8n (self-hosted or cloud) - Webhooks, API integrations, custom modules - CRM automations (HubSpot, Zoho, Pipedrive) - Email, SMS, WhatsApp, Slack automations - Google Workspace automation (Sheets, Docs, Gmail) - Multi-step workflows with conditions and branching Automation + AI + custom APIs = complete intelligent systems. 🔔 Web Scraping & Data Extraction - Selenium • Playwright • Scrapy • BeautifulSoup - Bypass protections, rotating proxies - E-commerce, directory, job boards scraping - Data cleaning & structuring (CSV, JSON, SQL) - Real-time scrapers & scheduled jobs - Integration with automation tools (Zapier/Make/n8n) 🔔 Database Engineering - PostgreSQL • MySQL • MongoDB - Database modeling, optimization, indexing - Large-scale schema design If you're looking for a developer who can deliver frontend, backend, AI, automation, and scraping all in one place, I’m ready to help. mindre
Ansæt olehd6
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I am a senior Full-Stack WEB | Mobile | DevOps Developer with 7+ years of hands-on experience building secure, scalable, and high-performance web and mobile applications. I help businesses transform ideas into reliable, production-ready solutions. On the frontend, I work with modern frameworks such as React.js,...I am a senior Full-Stack WEB | Mobile | DevOps Developer with 7+ years of hands-on experience building secure, scalable, and high-performance web and mobile applications. I help businesses transform ideas into reliable, production-ready solutions. On the frontend, I work with modern frameworks such as React.js, Next.js, Vue.js, and React Native to deliver fast, user-friendly interfaces. On the backend, I specialize in PHP (Laravel), Node.js, RESTful APIs, and database design using MySQL, PostgreSQL, and MongoDB. I also bring strong DevOps expertise, handling cloud infrastructure, CI/CD pipelines, Docker, Linux servers, and deployment automation to ensure smooth releases and high system availability. I have worked with international clients and remote teams, delivering clean code, clear communication, and on-time results. Whether you need a full-stack web app, mobile application, cloud setup, or ongoing maintenance, I focus on quality, scalability, and long-term success. mindre
Ansæt khrystynad4
