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I am a **Multi-talented** professional adept in **Full Stack Web Development**, **Web Security Research**, and **Robotics Engineering**. As a dedicated Web Security Researcher and ethical hacker, I uncover vulnerabilities and mitigate security risks, bridging the gap between development and cybersecurity. Additionally, as a Robotics Engineer, I design and build sophisticated robotic systems, applying my deep understanding of mechanics, electronics, and programming. Passionate about crafting clean, scalable code and innovative robotics solutions, I contribute to projects that prioritize both robust development, cybersecurity practices, and cutting-edge robotic technology.
I'm Matei, a full-stack developer with over 10 years of experience, specializing in JavaScript, React, and Node.js. I help developers at all levels overcome challenges, from debugging complex issues to understanding core concepts. My approach is patient and tailored to your needs, ensuring you gain confidence and clarity in your coding journey. Format: - regular (long term) or one-time - for any level (beginner/intermediate/advanced) - 45-90min sessions, up to 6hrs on request - personalized take-home tasks & resources Availability: - until Jul 15: 4:00-6:00, 15:00-18:00 UTC - after Jul 15: 4:00-18:00 UTC - last minute or late night sessions on request (email matei@copot.eu) Technologies: - JavaScript: ESNext, NodeJS/Deno, TypeScript, React, Vue, NodeMCU, & more - Front-end Web Dev: HTML5, CSS3, responsive design, PWAs, SPAs, & more - Back-end Web Dev: Express/NextJS APIs, Python, AWS, Docker, SQL, PHP, & more - App Dev: Mac/Linux & Android, Electron, Expo, Python, Stripe, UX, & more - others: always curious about other technologies, e.g. haskell, ruby, WASM, WebGL... = Why me? I'm typically paid €100/hr by top companies, so the lower rate here means you're getting top-tier expertise at an accessible price. I enjoy mentoring because it brings variety and a more collaborative and relaxed dynamic. I have a proven track record of guiding learners from zero experience to landing high-paying jobs. My teaching adapts to your pace and goals — you'll always get honest, actionable advice, including what’s realistic and what’s not. If you're serious about growing your skills or career in tech, I’d be glad to support your journey.
**Stuck on a tricky bug in your AI-generated code? Need to turn a fragile prototype into a production-ready app?** I'm a **senior AI engineer** who specializes in solving the unique challenges of building with LLMs and automation tools. As an expert in both **AI code rescue** and **workflow automation**, I can help you with: * **Debugging Tricky AI Code:** We'll jump on a call and fix that bug in your `LangChain`, `OpenAI`, or `Replit` project. * **MVP Code Reviews & Hardening:** I'll perform a detailed review of your prototype for security, scalability, and best practices to get it ready for launch. * **Building Custom AI Workflows:** As a freelancer, I can architect and build the efficient automations your business needs. * **Career Mentorship:** I can guide you on the path to becoming a highly skilled AI Automation Engineer. --- ### **Example Freelance Engagements** Below are examples of common freelance projects I can help you with. If your project looks like one of these, send me a message with the details, and I can provide an hourly estimate. * **AI-Generated MVP: Code Review & Hardening Plan** * I perform a comprehensive review of your prototype's codebase. You'll receive a detailed report covering security vulnerabilities, scalability issues, and a concrete action plan to get your MVP production-ready. * **Build a Custom AI Automation Workflow** * I work with your team to map out a key business process and build a robust AI-powered automation to improve efficiency. Ideal for sales, marketing, or internal support workflows. --- My stack includes `Node.js`, `Python`, `React`, `LangChain` & `OpenAI`. Let's solve your problem—**book a session or send me a message!**
If you've gotten this far you're on the right track and have come to the right place. As a serial entrepreneur, passionate about spreading knowledge and guiding others, It would be my pleasure to help whoever might need it. I have a soft spot for budding Software Engineers, and because of that I make it my mission to help you grow. Whether it's help with course work or complex web development projects, I'm here to help in any way I can! Look forward to working with you! Rich
I am a Senior Web3 Engineer at Chingari, contributing to building their NFT marketplace and auction features. I am highly skilled Blockchain and Backend Developer with extensive experience in building and managing applications and marketplaces. As a Senior Web3 Engineer at Chingari, I had played a pivotal role in developing their NFT marketplace contract in Aptos(move) chain and auction features for the Solana blockchain, and has integrated services like Livepeer and Filecoin etc. At Aura, I led backend development for a gaming-focused NFT marketplace, architecting the product from scratch and implementing innovative features like an NFT Indexer and crypto/fiat swap payments. My technical expertise spans Node.js, Typescript, Nest.js, Aptos(move), Rust, various blockchain technologies, and both SQL and NoSQL databases, underpinned by a strong foundation in Java from her tenure at Oracle. I have the ability to drive complex projects to completion and lead development teams effectively.
Having good experience in frontend development mainly in designing, optimizing Angular and React Applications. With this experience, I can help out others in development and also how to solve problems efficiently. I would help you learn the skills needed to become a professional. I will not tell you how to code; rather, I will guide you through the practice of coding, will help you to find your own answers and also intervening you when you got stuck. These things I know: - HTML - CSS / SASS / Less - React - Angular - Tailwind CSS - Responsive web design - Pixel perfect UI with elegant CSS - Javascript / ES6 - npm - Github
Zuber is always looking to explore new technology stacks and frameworks. He is a C.T.O level experienced developer.His ability to understand complex business logics has helped many clients all over the globe to build scalable businesses. He loves to talk about new cuisines, new travel destination and books.
I'm an experienced designer working for more than fifteen years in the field of interaction and digital product design. I help developers, product owners and entrepreneurs leverage design as a deep competitive advantage nowadays, and as a tool to make your idea come alive or your project take the leap to the next level. I can support you with mentoring and design critique sessions. You will find out how some right small changes can make such a profound difference in the final perceived quality of your project outcome. https://mnlcpc.com
Experienced **Senior Backend Engineer** with 10+ years of experience in **Java (Spring Boot)** and **5+ years in Python AI/ML systems**, delivering production-grade APIs, microservices, and LLM integrations. Specializes in **FastAPI**, **LangChain**, **OpenAI**, and **vector database pipelines**. Strong background in building secure, scalable platforms that integrate AI models, handle real-time data processing, and serve global users.
With over 16 years of industry experience, I am a seasoned Application Architect specializing in mobile development. My journey with macOS and iOS development began in 2011, utilizing Objective-C and Swift, after working extensively with C/C++ and C# on Windows platforms from 2007. I also have hands-on experience with Python and JavaScript, enabling a versatile approach to application design. I excel in crafting project architectures and feature designs, backed by strong expertise in memory management and multithreading. My commitment to delivering high-quality mobile projects is demonstrated through comprehensive code assessments, refactoring, and extensive experience in writing both Unit and UI tests. As a team leader since 2013, I have successfully nurtured a talented group of developers, expanding our team from 8 to 17 members over five years. I focus on developing personalized growth plans, setting and achieving goals, and conducting evaluations, resulting in several team members advancing to senior developer and tech lead roles. I am adept at leading critical projects from conception to deployment for high-profile clients, with a strong focus on the entire project lifecycle. Known for my ability to modernize SDLC processes, I foster collaboration across diverse teams, driving strategic technical solutions while managing significant workloads with precision. I am committed to innovative leadership and effective project management.
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