🔥 Welcome to my Upwork Profile! 🔥
I'm Leo, a seasoned Full-Stack JavaScript and Data Science developer with over 5 years of hands-on experience in web and mobile app development. If you're seeking top-notch expertise and a commitment to exceeding your expectations, you're in the right place. Let's collaborate and turn your vision into a vibrant and prosperous reality!
🚀 Expertise 🚀
Front-end Skills:
🔹 Advanced proficiency in JavaScript (ES6 / ES7 +, Babel)
🔹 Strong command of TypeScript
🔹 Expertise in ReactJS (including Hooks), Redux, and Redux-Saga
🔹 Familiarity with GraphQL, Apollo, and REST API
🔹 Experience with Webpack, Npm, and Yarn
🔹 Proficient with Firebase
🔹 Skilled in deployment to TestFlight, AppStore, and Play Market
🔹 Well-versed in Version Control systems: GitHub, GitLab, Bitbucket
🔹 Adept in Project Management tools: Jira, Trello, ClickUp
🔹 Collaboration using Design tools: Figma, AdobeXD, Zeplin
🔹 Additional expertise in JS + CSS, Axios, and Angular
Back-end Skills:
🔹 Mastery of Node.js / Nest.js
🔹 Mastery of Dot NET
🔹 Proficiency with MongoDB and SQL databases (MySQL, MS SQL)
🔹 Experience with Express
🔹 Familiarity with JWT and Socket.IO
🔹 Knowledgeable in Cors and PostgreSQL
🔹 Competent in Cloud Services: AWS (DynamoDB, S3, EC2), Heroku, Firebase, Azure
Data Science:
🔹 Experience with Data Analytics
🔹 Mastery of Artificial Neural Network
🔹 Master of Algorithms like XGBoost, Bagging, SVM, Random Forest, Decision Tree.
🔹 Experience with data preparation and EDA
🔹 Experience with Data Visualization
Mobile Development:
🔹 Skilled in React Native for both Android and iOS platforms
🔹 Experience with Expo and React Native CLI
🔹 Proficient in App Distribution platforms: App Center, Firebase Distribution, TestFlight
🔹 Well-versed in IDEs: VSCode, Android Studio, Xcode
👨💻 Development Approach 👩💻
Throughout the development journey, I prioritize:
🔸 Crafting immaculate code
🔸 Designing user-friendly interfaces
🔸 Ensuring seamless API and third-party service integration
🔸 Emphasizing collaboration and client input at every stage
🎯 My Objective 🎯
My primary aim is to assist you in realizing your vision and achieving success in your digital ventures. Together, we can create web platforms that not only meet but surpass your expectations in terms of functionality, user-friendliness, and design.
💬 Let's Connect 💬
I'm excited to dive deep into the specifics of your project needs and demonstrate how my expertise in React, Next.js, Node.js (including Nest.js and Express), and Angular can drive your success. Feel free to send me an invitation in the upper right corner to kickstart the discussion!
🌟 React and Next.js Specialization 🌟
With React and Next.js, I specialize in crafting dynamic web applications with server-side rendering, optimized for performance, SEO, and scalability. Let's leverage Next.js's powerful features to create immersive, high-speed user experiences and seamlessly integrate backend functionality through API routes.
🌐 Backend Expertise 🌐
In backend development, I bring extensive experience with Node.js and its frameworks, including Nest.js and Express. Whether you require robust RESTful APIs, real-time applications with WebSockets, or intricate server-side logic, I deliver reliable and efficient backend solutions that empower your web platforms.
🔺 If you're intrigued by my profile and wish to chat, simply send me an invitation in the upper right corner. Let's team up to make your project a resounding success! 🔻
MySQL Administration
