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高级威客
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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. 收起
雇用 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 收起
雇用 moha262
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We are an experienced and dedicated team of 40+ people having expertise in : AI/ML: Model Training/Fine tuning, Workflow Automation, Speech to text, Text to Speech Mobile Development : Android, iOS, React Native, Flutter, REST APIs Web Development: CMS - Wordpress, Magento, Strapi, Drupal Frameworks - Laravel,...We are an experienced and dedicated team of 40+ people having expertise in : AI/ML: Model Training/Fine tuning, Workflow Automation, Speech to text, Text to Speech Mobile Development : Android, iOS, React Native, Flutter, REST APIs Web Development: CMS - Wordpress, Magento, Strapi, Drupal Frameworks - Laravel, CI, Yii, Zend, CakePHP, Django, Flask Frontend Frameworks - React.js/NextJS, Angular, Material Design MUI, Typescript NodeJS, WebSocket, MongoDB, PostgreSQL, MySQL Programming Languages PHP, NodeJS, Swift, Python, Java, Golang, .NET, Kotlin Version Control GitHub BitBucket Gitlab AWS, Google Cloud Platform, Docker, Digital Ocean, AWS Lambda We have expertise in Responsive Design, PHP, CSS, HTML, CSS3, HTML5, JavaScript, jQuery While building a site we focus and include the following in development: SEO Friendly Validate HTML With W3C Schema org Let's start and get the most of your idea! 收起
雇用 DreamOne
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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! 收起
雇用 mughiraaa
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Hello, Thank you for considering WhizPool for your Software and App Development needs! WhizPool is a Software Outsourcing and Consulting company with a wide range of specialties that comes from a varied, talented team of 30+ tech experts. Our diverse, knowledgeable group of professionals succeeds through timeliness,...Hello, Thank you for considering WhizPool for your Software and App Development needs! WhizPool is a Software Outsourcing and Consulting company with a wide range of specialties that comes from a varied, talented team of 30+ tech experts. Our diverse, knowledgeable group of professionals succeeds through timeliness, perseverance, open communication, and a belief that we can only deliver the best possible product to you, the client. We are constantly learning new softwares, languages and techniques to remain one of the Top 5 Freelancer Mobile App Developers. We offer a number of different services to our current and prospective client, including (but not limited to): ● Enterprise Web Apps / SaaS ● Mobile Apps ● Cloud Computing / DevOps ● Solutions & Generative AI ● IoT ● Database Consultancy (SQL and NoSQL) ● UI/UX Services Our Technical Software Development team is well versed in all relevant development tools and programming languages needed to create the most complete, effective product possible. We’re able to develop in: ● Mobile Apps : Swift, Kotlin, React Native, Flutter ● Web Apps: Node/Nest,, Golang, .Net Core, React, Angular, PHP/Laravel ● Databases: MySQL, SQL Server, Elastic Search, Cassandra, ScyllaDB, Oracle. ● DevOps : Docker, Kubernetes, Jenkins, Terraform If you have questions about our portfolio, experience, or reviews, feel free to consult the relevant areas of our profile and send us a message. We’re happy to chat about distinct highlights (like our work with IBM) and our work process to show you that we are the company you need. We hope to hear from you soon! 收起
雇用 WhizPool
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I'm working in big distribution company in Georgia Making VBA reports, projects. I'm using VBA from 2003 year, but from 2014 year very intensively, as this is my job. Working with large amount of data ( about 1mln line per Excel sheet ) I can automate you routine tasks and make it very easy and quickI'm working in big distribution company in Georgia Making VBA reports, projects. I'm using VBA from 2003 year, but from 2014 year very intensively, as this is my job. Working with large amount of data ( about 1mln line per Excel sheet ) I can automate you routine tasks and make it very easy and quick 收起
雇用 MamukaB
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I’m an AI Agent Engineer, Automation Specialist, and Full-Stack Developer with a deep passion for embedding intelligence into real-world web and mobile products and eliminating manual business workflows through automation. My core focus is designing, building, and deploying AI-driven systems—from LLM-powered agents...I’m an AI Agent Engineer, Automation Specialist, and Full-Stack Developer with a deep passion for embedding intelligence into real-world web and mobile products and eliminating manual business workflows through automation. My core focus is designing, building, and deploying AI-driven systems—from LLM-powered agents and voice assistants to data-aware automation pipelines that integrate seamlessly with production applications. I work extensively with large language models (LLMs), retrieval-augmented generation (RAG), vector databases, embeddings, tool-calling frameworks, and agent orchestration patterns to create systems that reason, act, and scale reliably. On the backend, I build high-performance APIs and services using FastAPI, Flask, Node.js, and Django, with strong experience in async architectures, background workers, and event-driven systems. I regularly work with PostgreSQL, MySQL, Redis, MongoDB, and Neo4j, and design robust data layers using SQLAlchemy, Prisma, and ORM/DAO patterns. For AI workloads, I integrate OpenAI, Anthropic, Ollama, ElevenLabs, and custom inference pipelines, alongside Qdrant, Pinecone, FAISS, and hybrid search setups. On the frontend, I build modern, scalable interfaces using React, Next.js, Vite, Tailwind CSS, and TypeScript, with a strong emphasis on UX for AI-powered tools (real-time streaming, agent state visualization, conversation flows, and admin dashboards). For mobile, I work with React Native and cross-platform architectures to bring AI features directly into user-facing apps. Automation is a major part of my work. I design end-to-end business automation systems using Make.com, n8n, webhooks, cron jobs, message queues, and direct API integrations. This includes automating CRM workflows, email systems, call routing, lead qualification, reporting, and data synchronization across platforms like Twilio, Slack, Google Sheets, Stripe, Shopify, and internal tools. I’m highly experienced in AI voice agents and real-time systems, integrating Twilio, speech-to-text (STT), text-to-speech (TTS), streaming APIs, and conversational state management to build production-ready voice and chat agents. I also work on computer-vision and multimodal pipelines, combining vision models, tracking, and sensor data for advanced use cases. From an infrastructure and MLOps perspective, I deploy and scale systems using Docker, Linux servers, cloud VPS, CI/CD pipelines, and GPU-accelerated environments. I care deeply about observability, logging, error handling, security, and cost optimization in AI systems. Above all, I love turning business problems into automated, intelligent systems—reducing operational friction, increasing efficiency, and building products where AI is not a feature, but a core capability. If you need AI agents, automation pipelines, or full-stack systems that actually work in production, that’s exactly what I build. 收起
雇用 Lazarone1
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I build the infrastructure that makes AI systems run. And I have been doing it long enough to know where it breaks. In 2001, I co-founded an open-source ERP framework that became one of the Apache Software Foundation's flagship enterprise projects. It is still in production worldwide, 25 years later. I have been...I build the infrastructure that makes AI systems run. And I have been doing it long enough to know where it breaks. In 2001, I co-founded an open-source ERP framework that became one of the Apache Software Foundation's flagship enterprise projects. It is still in production worldwide, 25 years later. I have been running my own infrastructure since before "DevOps" was a word. Right now, as CTO/CPO of an early-stage startup, I maintain generative AI image pipelines in production using fine-tuned LoRA models, Qwen-based personalization, and MCP-integrated content systems on AWS. Docker orchestration, CI/CD through GitHub Actions, PostgreSQL, the full deployment stack. All under COPPA constraints, so nothing ships without being locked down. At home I run a private ML server with 3x RTX 3090 GPUs on Ubuntu. CUDA configured, Docker stacks running, Ollama serving multiple models, private GitHub repos syncing on every push. That setup exists because I use it for real work, not to tick a certification box. Security is baked into everything I touch. SSH keys only, root disabled, UFW locked to what is actually needed, credentials out of the repo. I went back to Penn State for Security and Risk Analysis (Summa Cum Laude, NSA/DHS Center of Academic Excellence in Cyber Defense) specifically to understand how the systems I build can fail. I take on projects of any size. Single server setup, ML environment from scratch, GPU configuration, GitHub automation, and cloud infrastructure that needs sorting out. All familiar territory. Tech: Ubuntu · AWS · Docker · CUDA/NVIDIA · Python · Go · GitHub Actions · Terraform · systemd · Bash · PostgreSQL · ELK/Elasticsearch · gRPC · CI/CD 25 years independent. I build it, I ship it, I keep it running. 收起
雇用 ajzeneski
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🚀 Full Stack | AI/ML | Embedded Systems | Firmware Development We are a highly experienced development team delivering scalable software, AI solutions, and embedded systems for startups and enterprises. Our expertise spans Web Development, AI/ML, Cloud Infrastructure, IoT, and Firmware Development. 💻 Full Stack...🚀 Full Stack | AI/ML | Embedded Systems | Firmware Development We are a highly experienced development team delivering scalable software, AI solutions, and embedded systems for startups and enterprises. Our expertise spans Web Development, AI/ML, Cloud Infrastructure, IoT, and Firmware Development. 💻 Full Stack Development We build scalable web platforms, SaaS products, and enterprise applications using modern technologies. Technologies & Frameworks Backend: PHP, Laravel, CodeIgniter, CakePHP, Kohana, Yii, Symfony, Zend JavaScript Stack: Node.js, Express.js, NestJS, Next.js, Nuxt.js Frontend: Vue.js, React, HTML5, CSS3, JavaScript, Bootstrap Mobile: Flutter, React Native, Dart Programming: Python, TypeScript, JavaScript AI/ML: AI, Machine Learning, LLMs, NLP, DeepSeek 🧰 Tools & Workflow Version Control Git Project Management Jira Agile / Scrum Development Tools Qt Creator Visual Studio Operating Systems Linux Windows Embedded Linux ✔ Agile Development ✔ Unit Testing in Qt ✔ Scalable Architecture Design ✔ Cross-Platform Solutions 🎨 Design & Prototyping We design modern, intuitive user experiences before development begins. Tools Figma Adobe XD Photoshop Illustrator Services Wireframing UI/UX Improvements Product Prototyping Full UI/UX Redesign 🤖 AI / Machine Learning Our AI expertise includes building intelligent applications and data-driven solutions. Large Language Models (LLMs) Natural Language Processing (NLP) AI automation Predictive analytics AI-powered web applications ☁️ Cloud & Infrastructure We design secure, scalable cloud architectures. Cloud Platforms AWS (Lambda, Step Functions, API Gateway, Glue, Batch) S3, CloudFront, Route53 CodePipeline SageMaker IoT Core Bedrock Digital Ocean Google Cloud VPS Infrastructure DevOps Docker Jenkins CI/CD pipelines Serverless architecture 🔗 Real-Time Systems & Integrations We build real-time and connected systems. Socket.IO WebRTC MQTT PubSub Web Push Notifications Alexa Skills 🗄️ Databases MongoDB DynamoDB PostgreSQL MySQL Redis NoSQL databases 🔌 APIs & Web Services REST APIs SOAP / WSDL JSON / XML AWS Web Services Integration ⚙️ Desktop & System Development Strong expertise in high-performance C++ applications. C++ / Qt / QML Cross Compilation Boost Libraries OpenGL 3D Rendering 3D Model Generation & Processing OpenCV Image Processing VLC / FFmpeg Media Processing 🧠 Embedded Systems & Firmware Development We build hardware-integrated software and firmware for embedded devices. Languages C C++ VHDL Embedded Linux Hardware Platforms Raspberry Pi ESP32 / ESP8266 Arduino Compatible Boards ARM-based Systems FPGA Boards Protocols SPI UART RS485 ModBus Gigabit Ethernet USB XY2-100 🏭 Industrial & Hardware Experience CNC Controller Development 5-Axis Motion Controller Boards FPGA Development (Xilinx, CPLD) Embedded Linux Porting Bootloader & Linux BSP Integration 收起
雇用 mayur8188
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I have been working with network devices and system admin for the past few years and have great experience with them. I am ready to be hired and start working on your projects today. ~regards | Cisco Expert Routing Switching | | VMware Expert | Juniper Router | HCNA Huawei | | Fortinet NSE1 NSE2 NSE3 | | PFSense...I have been working with network devices and system admin for the past few years and have great experience with them. I am ready to be hired and start working on your projects today. ~regards | Cisco Expert Routing Switching | | VMware Expert | Juniper Router | HCNA Huawei | | Fortinet NSE1 NSE2 NSE3 | | PFSense Advanced | FreeBSD Advanced | Mikrotik MTCNA MTCWE | Palo Alto Expert | | Docker | Docker Compose | Nomad | Kubernetes | Ansible Expert | Terraform | Scripting Automation | WebServer Nginx and Apache Expert | | MySQL Tune High Performance | Indexing | Tune Up | | Github Action | Gitlab Pipelines Expert 收起
雇用 dwinurhadi
