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I am an enthusiastic Full-Stack Engineer with over a decade of experience in web development, service-oriented architecture, and agile methodologies. I am proficient in building web applications using React, Node.js, and Python. I excel in scalable full-stack development, blockchain & AI integration, and enterprise-grade platforms. Throughout my career, I have built high-throughput APIs, AI-driven personalization engines, and integrated complex blockchain and Web3 solutions. My professional journey spans multiple industries including retail, fintech, and enterprise software, where I have demonstrated leadership in enhancing system reliability, streamlining deployments, and improving user experiences. I am passionate about developing scalable architectures, collaborating cross-functionally, and continuously optimizing platforms with cloud technologies such as AWS and Microsoft Azure.…I am an enthusiastic Full-Stack Engineer with over a decade of experience in web development, service-oriented architecture, and agile methodologies. I am proficient in building web applications using React, Node.js, and Python. I excel in scalable full-stack development, blockchain & AI integration, and enterprise-grade platforms. Throughout my career, I have built high-throughput APIs, AI-driven personalization engines, and integrated complex blockchain and Web3 solutions. My professional journey spans multiple industries including retail, fintech, and enterprise software, where I have demonstrated leadership in enhancing system reliability, streamlining deployments, and improving user experiences. I am passionate about developing scalable architectures, collaborating cross-functionally, and continuously optimizing platforms with cloud technologies such as AWS and Microsoft Azure.

Gilberto Vazquez

Full Stack Developer, Developer, Blockchain Developer, +4

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I am an enthusiastic Full-Stack Engineer with over a decade of experience in web development, service-oriented architecture, and agile methodologies. I am proficient in building web applications using React, Node.js, and Python. I excel in scalable full-stack development, blockchain & AI integration, and enterprise-grade platforms. Throughout my career, I have built high-throughput APIs, AI-driven personalization engines, and integrated complex blockchain and Web3 solutions. My professional journey spans multiple industries including retail, fintech, and enterprise software, where I have demonstrated leadership in enhancing system reliability, streamlining deployments, and improving user experiences. I am passionate about developing scalable architectures, collaborating cross-functionally, and continuously optimizing platforms with cloud technologies such as AWS and Microsoft Azure.…I am an enthusiastic Full-Stack Engineer with over a decade of experience in web development, service-oriented architecture, and agile methodologies. I am proficient in building web applications using React, Node.js, and Python. I excel in scalable full-stack development, blockchain & AI integration, and enterprise-grade platforms. Throughout my career, I have built high-throughput APIs, AI-driven personalization engines, and integrated complex blockchain and Web3 solutions. My professional journey spans multiple industries including retail, fintech, and enterprise software, where I have demonstrated leadership in enhancing system reliability, streamlining deployments, and improving user experiences. I am passionate about developing scalable architectures, collaborating cross-functionally, and continuously optimizing platforms with cloud technologies such as AWS and Microsoft Azure.

Available to hire

I am an enthusiastic Full-Stack Engineer with over a decade of experience in web development, service-oriented architecture, and agile methodologies. I am proficient in building web applications using React, Node.js, and Python. I excel in scalable full-stack development, blockchain & AI integration, and enterprise-grade platforms. Throughout my career, I have built high-throughput APIs, AI-driven personalization engines, and integrated complex blockchain and Web3 solutions.

My professional journey spans multiple industries including retail, fintech, and enterprise software, where I have demonstrated leadership in enhancing system reliability, streamlining deployments, and improving user experiences. I am passionate about developing scalable architectures, collaborating cross-functionally, and continuously optimizing platforms with cloud technologies such as AWS and Microsoft Azure.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Full-Stack Engineer at Walmart

June 30, 2025 - July 11, 2025

Developed AI-driven personalization engines for product recommendations and inventory forecasting, boosting engagement and reducing stockouts using React. Built high-throughput RESTful APIs in Java and C#, leveraging Redis caching to cut latency by 40% for product listings and user analytics. Delivered dynamic pricing and promotional features through cross-team collaboration, improving market responsiveness. Enhanced system reliability with fault-tolerant services and streamlined deployments alongside data scientists and frontend engineers. Led Sitecore CMS integration, enabling real-time content updates that cut campaign launch times by 30% and reduced engineering workload.

Software Engineer at KuCoin

December 31, 2022 - July 11, 2025

Spearheaded Web3 integrations for Exchange, including blockchain wallets with Web3Auth and on-chain trading using React and web3 libraries like wagmi and viem, enhancing user experience. Developed Pixel-Perfect Dashboard and web app for a crypto exchange platform, integrating Figma designs for data visualization and CEX operations. Built scalable RESTful APIs in C# for token listings, trade execution, and user analytics using Redis, feeding trading data to frontend. Implemented RabbitMQ messaging solutions in microservices, reducing load times by 20% and ensuring scalability with Docker and Kubernetes. Integrated Sitecore for user-facing content pages and campaign management, improving non-technical editorial workflows. Conducted code reviews, wrote unit and integration tests with Jest and Playwright, and automated testing, cutting bug-related delays. Deployed frontend and backend on AWS using GitHub Actions and Terraform.

Frontend Engineer at AndPlus

April 30, 2021 - July 11, 2025

Contributed to projects such as Aragon DAO, Revolut, and Doctolib. Directed front-end development evolution focusing on the React ecosystem to deliver high-performance, industry-leading web apps. Engineered a custom state management solution in React, enabling seamless synchronization without the overhead of traditional frameworks. Developed a static site generation tool using React, optimizing website production for ecommerce clients. Led the re-architecture of legacy front-end systems leveraging React's Custom Hooks to enhance maintainability. Managed migration to microfrontends, improving deployment velocity by 40% with zero downtime. Used web3.js to build a trading interface for seamless, secure on-chain transactions and real-time portfolio tracking.

Web Developer at Comtrade

March 31, 2018 - July 11, 2025

Built a fintech React app from scratch using Tailwind CSS, TypeScript, Redux, and Node microservices, transforming legacy JavaScript code to type-safe code with React functional components. Designed scalable web APIs with ASP.NET Core, C#, LINQ, and pub/sub architecture, enhancing performance with reusable components. Wrote E2E tests with Cypress and unit tests with React Testing Library, and integrated RTC and data visualization using Socket, Chart.js, and D3.js. Developed server-side logic and RESTful APIs with Node.js, utilizing its non-blocking I/O model to create high-performance backend services. Implemented analytics with Amplitude, logging with Sentry, and converted PSD/Figma designs into responsive, pixel-perfect HTML using HTML5 and CSS/SCSS.

Full-Stack Engineer at Walmart

May 1, 2021 - Present

Developed AI-driven personalization engines for product recommendations and inventory forecasting, boosting engagement and reducing stockouts using React. Built high-throughput RESTful APIs in Python and C#, leveraging Redis caching to reduce latency by 40% for product listings and user analytics. Delivered dynamic pricing and promotional features through cross-team collaboration, improving market responsiveness. Enhanced system reliability with fault-tolerant services and streamlined deployments alongside data scientists and front-end engineers. Led Sitecore CMS integration enabling real-time content updates, cutting campaign launch times by 30% and reducing engineering workload.

Software Engineer at KuCoin

April 1, 2021 - August 11, 2025

Spearheaded Web3 integrations for Exchange, including blockchain wallets with Web3Auth and on-chain trading using React and Web3 libraries like Wagmi and Viem, enhancing user experience. Developed pixel-perfect dashboard and web app for crypto exchange platform by integrating Figma designs for data visualization and centralized exchange operations. Built scalable RESTful APIs in C# for token listings, trade execution, and user analytics using Redis, feeding trading data to frontend. Implemented RabbitMQ messaging solutions in microservices, reducing load times by 20% and ensuring scalability with Docker and Kubernetes. Integrated Sitecore for user-facing content pages and campaign management, improving non-technical editorial workflows. Conducted code reviews, wrote unit and integration tests with Jest and Playwright, and automated testing, cutting bug-related delays. Deployed front-end and back-end on AWS using GitHub Actions and Terraform.

Frontend Engineer at AndPlus

March 1, 2018 - August 11, 2025

Contributed to projects such as Aragon DAO, Revolut, Doctolib. Directed front-end development evolution focusing on the React ecosystem to deliver high-performance, industry-leading web apps. Engineered a custom state management solution in React, enabling seamless synchronization without traditional framework overhead. Developed static site generation tool using React, optimizing website production for e-commerce clients. Led re-architecture of legacy front-end systems leveraging React's Custom Hooks to enhance maintainability. Managed migration to microfrontends, improving deployment velocity by 40% with zero downtime. Used web3.js to build a trading interface for seamless, secure on-chain transactions and real-time portfolio tracking.

Web Developer at Comtrade

March 1, 2016 - August 11, 2025

Built a fintech React app from scratch using Tailwind CSS, TypeScript, Redux, and Node microservices, transforming legacy JavaScript code to type-safe code with React functional components. Designed scalable web APIs with ASP.NET Core, C#, LINQ, and pub/sub architecture, enhancing performance with reusable components. Wrote end-to-end tests with Cypress and unit tests with React Testing Library, integrating RTC and data visualization using Socket, Chart.js, and D3.js. Developed server-side logic and RESTful APIs with Node.js, utilizing its non-blocking I/O model to create high-performance backend services. Implemented analytics with Amplitude, logging with Sentry, and converted PSD/Figma designs into responsive, pixel-perfect HTML using HTML5 and CSS/SCSS.