I’m a talented Senior Full Stack Engineer with a strong can-do attitude and high responsibility. Over 7 years of professional experience, I have honed my skills in developing and deploying scalable, high-performance web and mobile applications. My expertise spans the MERN stack, Next.js, React, Vue.js, and Shopify, where I’ve transformed concepts into robust solutions. In the past 3 years, I’ve focused on blockchain technology, crafting decentralized applications, NFT marketplaces, and smart contract integrations. My skill set includes designing efficient DeFi platforms and ensuring compliance with regulatory frameworks. I am proficient with Ethereum, Solana, and Polygon ecosystems and adept at using tools like Web3.js, Ethers.js, and Solidity to deliver seamless Web3 experiences. Key Experience and Skills: ✔️ Frontend Development: React/Redux, Next.js, Vue/Nuxt.js, Angular, Tailwind CSS, Bootstrap, HTML5, CSS3, JavaScript/TypeScript ✔️ Backend Development: Node.js, Express.js, PHP, Python, NestJS, MongoDB, MySQL, PostgreSQL ✔️ Blockchain and Web3 Development: Solidity, Hardhat, Ether.js, Web3.js, Smart Contracts, NFT standards, Decentralized Applications ✔️ Cloud & DevOps: AWS, Docker, Continuous Integration/Deployment ✔️ E-commerce Platforms: Shopify, SEO Optimization, Liquid Development ✔️ Testing & Optimization: Cypress, Jest, A/B testing, Performance Tuning I bring a unique blend of technical expertise and strategic insight to all my projects, ensuring scalable solutions and measurable success. Whether you need a seasoned developer for blockchain innovation or full-stack engineering, I am ready to bring your vision to life.

BernardoCasals

I’m a talented Senior Full Stack Engineer with a strong can-do attitude and high responsibility. Over 7 years of professional experience, I have honed my skills in developing and deploying scalable, high-performance web and mobile applications. My expertise spans the MERN stack, Next.js, React, Vue.js, and Shopify, where I’ve transformed concepts into robust solutions. In the past 3 years, I’ve focused on blockchain technology, crafting decentralized applications, NFT marketplaces, and smart contract integrations. My skill set includes designing efficient DeFi platforms and ensuring compliance with regulatory frameworks. I am proficient with Ethereum, Solana, and Polygon ecosystems and adept at using tools like Web3.js, Ethers.js, and Solidity to deliver seamless Web3 experiences. Key Experience and Skills: ✔️ Frontend Development: React/Redux, Next.js, Vue/Nuxt.js, Angular, Tailwind CSS, Bootstrap, HTML5, CSS3, JavaScript/TypeScript ✔️ Backend Development: Node.js, Express.js, PHP, Python, NestJS, MongoDB, MySQL, PostgreSQL ✔️ Blockchain and Web3 Development: Solidity, Hardhat, Ether.js, Web3.js, Smart Contracts, NFT standards, Decentralized Applications ✔️ Cloud & DevOps: AWS, Docker, Continuous Integration/Deployment ✔️ E-commerce Platforms: Shopify, SEO Optimization, Liquid Development ✔️ Testing & Optimization: Cypress, Jest, A/B testing, Performance Tuning I bring a unique blend of technical expertise and strategic insight to all my projects, ensuring scalable solutions and measurable success. Whether you need a seasoned developer for blockchain innovation or full-stack engineering, I am ready to bring your vision to life.

Available to hire

I’m a talented Senior Full Stack Engineer with a strong can-do attitude and high responsibility. Over 7 years of professional experience, I have honed my skills in developing and deploying scalable, high-performance web and mobile applications. My expertise spans the MERN stack, Next.js, React, Vue.js, and Shopify, where I’ve transformed concepts into robust solutions.

In the past 3 years, I’ve focused on blockchain technology, crafting decentralized applications, NFT marketplaces, and smart contract integrations. My skill set includes designing efficient DeFi platforms and ensuring compliance with regulatory frameworks. I am proficient with Ethereum, Solana, and Polygon ecosystems and adept at using tools like Web3.js, Ethers.js, and Solidity to deliver seamless Web3 experiences.

Key Experience and Skills:
✔️ Frontend Development: React/Redux, Next.js, Vue/Nuxt.js, Angular, Tailwind CSS, Bootstrap, HTML5, CSS3, JavaScript/TypeScript
✔️ Backend Development: Node.js, Express.js, PHP, Python, NestJS, MongoDB, MySQL, PostgreSQL
✔️ Blockchain and Web3 Development: Solidity, Hardhat, Ether.js, Web3.js, Smart Contracts, NFT standards, Decentralized Applications
✔️ Cloud & DevOps: AWS, Docker, Continuous Integration/Deployment
✔️ E-commerce Platforms: Shopify, SEO Optimization, Liquid Development
✔️ Testing & Optimization: Cypress, Jest, A/B testing, Performance Tuning

I bring a unique blend of technical expertise and strategic insight to all my projects, ensuring scalable solutions and measurable success. Whether you need a seasoned developer for blockchain innovation or full-stack engineering, I am ready to bring your vision to life.

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