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Freelancer and a Full Stack Developer with 12+ years of professional experience in designing, developing, and maintaining amazing web applications and websites using React, JavaScript, Node.js, HTML and CSS. I love sharing my knowledge with developers to help them better at coding. I'm the creator of the multiple popular courses: https://courses.yogeshchavan.dev/ I have also written a hugely popular Mastering Modern JavaScript book (https://modernjavascript.yogeshchavan.dev/) You can check out my technical articles below: 1. freeCodeCamp - https://www.freecodecamp.org/news/author/yogesh/ 2. Dev.to - https://dev.to/myogeshchavan97 3. Hashnode - https://blog.yogeshchavan.dev/ 4. Medium - https://medium.com/@yogeshchavan ☆ I mostly work on JavaScript, React and Node.js ☆ Loves sharing knowledge through technical articles ☆ Connect with me for any freelancing project ☆ To learn more about my work check out my linkedIn profile - https://www.linkedin.com/in/yogesh-chavan97/ or connect with me at myogeshchavan97@gmail.com ☆ Check out my GitHub Projects - https://github.com/myogeshchavan97
Are you looking for a hands-on Full-Stack Architect who can build, scale, and support high-performance AI and SaaS platforms from the ground up? With over 10 years of professional experience—I specialize in architecting fast, secure, and resilient applications with real-time, AI-integrated capabilities. **What I Bring to the Table** 🚀 **AI-SaaS Execution:** At MSBAI, I built the admin platform for the GURU Assistant, an LLM agent that diagnoses and fixes technical issues in scientific workflows. I’ve debugged AI-generated code, optimized ML pipelines in real-time, and translated LLM outputs into production-ready tooling. ⚙️ **Scalable Architectures:** From building live simulation UIs to secure multi-tenant marketplaces and 3D modeling SaaS apps, I’ve delivered systems that serve thousands of concurrent users with high availability. 🧠 **Full-Stack Mastery:** Expertise in TypeScript, React, Next.js, Node.js, Go, PostgreSQL, GraphQL, and low-latency backends using Rust and serverless functions on AWS and Supabase. 🛠 **Cross-Domain Versatility:** I’ve worked on platforms ranging from MLOps and scientific computing (MSBAI) to edtech mentorship networks (Scholarly) and cybersecurity labs (Xintra). 💬 **Developer Empathy + AI Support:** I’ve supported developers using AI agents by debugging generated code, writing CLI tooling, and guiding teams through adopting LLMs effectively in their workflows. **Why Work With Me** 🔧 **End-to-End Ownership:** I thrive in fast-paced teams—leading system design, writing clean production code, and mentoring devs while delivering measurable impact. 🧰 **Startup-Ready Mindset:** I’m equally comfortable building MVPs from scratch or modernizing legacy systems to support scale and maintainability. 📈 **Proven Outcomes:** I've shipped everything from Slack-integrated dashboards and Gmail margin calculators to low-code builders and cross-platform mobile apps. **Tech Proficiency** * **Frontend:** React.js, Next.js, Tailwind CSS, React Native * **Backend:** Node.js, Express, GraphQL, Rust (Axum), Python (FastAPI) * **Data & AI:** PostgreSQL, Supabase, MongoDB, Redis, LLM workflows * **Cloud & Infra:** AWS, Supabase, Docker, GitHub Actions, Vercel * **DevOps & Testing:** Cypress, GitLab CI/CD, Terraform, observability stacks **Industries Served** * 🧪 ML/AI Ops (MSBAI) * 🌐 SaaS & Developer Tools (Xintra, Scholarly) * 🏥 Healthtech (Loop Health) * 🎮 Gaming Platforms (Joyride, Kiwi) * 🛍️ E-Commerce (GlowRoad) Let’s collaborate—whether you’re scaling an AI-native SaaS platform, building a developer-first observability tool, or launching a privacy-first user experience, I bring speed, technical depth, and real-world execution.
**Software Engineer with over 7 years of experience** in agile environments, working on multidisciplinary teams that use Scrum and Kanban methodologies. Skilled in problem analysis and resolution, teamwork, and innovation. Specialized in implementing performative and scalable web solutions with a focus on the user. Experience with modern software development tools, including **Vue.js, React**, HTML, CSS, and backend languages such as **Python and Node.js**. Throughout my career, I have contributed to increasing companies' revenue by up to 3x and refactored systems, increasing their usability and user satisfaction by 100%.
Experienced Full Stack & Blockchain & AI/ ML Developer with 10+ years of success building decentralized, real-time web applications and optimizing legacy systems. Specialized in EVM smart contract development, crypto payments, and Web3 integrations (Metamask, WalletConnect, Coinbase Wallet). Also Specialized in LLMs (GPT-4, LangChain, Haystack), RAG pipelines, and intelligent agent workflows. Proven track record in modernizing codebases, scaling blockchain infrastructure, and enhancing UI/UX fsor Web3 ecosystems. Adept at Solidity, Node.js, Golang, React, and cloud-native DevOps. Passionate about revolutionizing digital experiences in music, finance, and identity through blockchain.
I started my programming career creating line of business applications for investment banks and slowly transitioned into web development roles working with Ruby on Rails and Elixir/Phoenix. I have experience working on high-profile web apps serving millions of active users and also smaller websites with modest traffic but terrific revenue. For the past eight years, I've been working remotely for American companies, mainly doing web development and playing tech-lead roles in several projects. I'm used to working with founders and CTOs, going from Plan A to Plan B to a plan that works. I've helped companies build MVPs, scale projects, and maintain large-scale systems handling millions of requests a day. I'm comfortable doing code reviews and pair programming sessions. These are some web apps I've worked on in the past couple of years: * [Canary Data (Elixir/Phoenix - React)](https://canary-data.com/) * [Blitz (Elixir/Phoenix)](https://blitz.gg/) * [Superkind (Elixir/Phoenix)](https://www.linkedin.com/company/superkind) * [About Fresh (Elixir/Phoenix)](https://aboutfresh.org/) * [AR Workflow (Ruby/Rails - Node.js)](https://arworkflow.com/) * [SnapCell (Ruby/Rails)](https://snapcell.us.com/) * [Walkboard (Python/Django)](https://www.walkboard.com/) * [Sky Sports (Node.js - Python)](https://www.skysports.com/football) I wrote [Data Structures From Scratch](https://www.amazon.com/gp/product/B07MZZT6SW), an ebook about creating essential, advanced, and persistent data structures using the Ruby programming language. I live in Buenos Aires (UTC-3) with my wife and beautiful son. If you made it this far, please check out [my resume](https://alemiralles.dev/alemiralles-resume.pdf) for a detailed version of what I've been doing. Thank You!!
I'm an experienced React Native developer with five years in the field, specializing in creating cross-platform mobile applications. Alongside my frontend expertise, I have strong experience as a backend engineer and MERN stack developer, allowing me to work across the full stack. I also bring DevOps experience, including Kubernetes orchestration and deployments on platforms like AWS, Digital Ocean, Google cloud and Azure. My journey has involved collaborating on diverse projects, staying updated on industry trends, and contributing to both frontend and backend development. Looking forward, I aspire to contribute to innovative projects, leveraging my full-stack and DevOps expertise to create seamless, scalable, and user-centric solutions.
I dwell in the midst of complex problems. I make my bed with solutions to problem. Have built solutions ranging from complex stocks management system with realtime stock data synchronisation to web applications that manage and analyse user data in their millions. In summary, I love seeing problems solved. I am also a debugger tool (kind of) and a teacher. I spot and easily detect bugs lurking in your code within minutes. I specialised in Javascript, but you would find me working with ruby, python, Go and even dart. Would love to help out with your project and help you find those solutions that have proven difficult, together we can bring walls down.
Experienced software engineer with over 15 years of expertise in mobile, web, and blockchain applications. Highly proficient in .NET, Solidity, and JavaScript, with extensive experience in leading front-end frameworks like ReactJS and Flutter (Dart). Skilled in back-end frameworks such as Node.js, .NET, and Django. Recently focused on Web3 development, while actively exploring AI and machine learning using TensorFlow, PyTorch, Python, and Rust to stay at the forefront of technological advancements.
Currently work as a **Senior JavaScript Engineer** in Spain. I've been passionated with programming since hight school. It was a hobby then a profession, later I decided to start a YouTube channel and record video courses. I like to help people with tricky topics or pet projects - discuss it, review it and see how mentees grow.
Hi I am Patrick and I am a fulltime FullStack Engineer. I love developing new Apps in React (Nextjs) and also Backend in various languages like Nodejs and Go. I have also quite some experience with Contentful by building both custom apps inside Contentful as well as using it to display data in the app. I am always interested in new techlogies. Right now I am learning Rust and Svelte in my free time. In the past I have worked on many Web3 / Blockchain projects.
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