sammy

Front End Developer

Full-stack developer Specializing in JS, TS, React, AI Integration & Web3 Solutions.

Over 6 years of commercial experience building responsive, user-focused web and mobile applications using JavaScript and TypeScript, advanced in React.js.

Expanded expertise in Node.js, Python, and AI, integrating Large Language Models (LLMs) into production workflows, with additional skills in Web3 development.

Passionate about delivering innovative, scalable tech solutions that enhance user experiences and drive business value.

Fluent in four languages, eager to contribute to cutting-edge tech in a global, dynamic environment.

Experience: 6 years

Yearly salary: $86,000

Hourly rate: $45

Nationality: 🇪🇸 Spain

Residency: 🇩🇪 Germany

Experience

Full-Stack Developer

MillerioTech

2022 - 2025

Javascript development of Baufi24 responsive web application with React.js for Storybook.js. Crafted dynamic web components, complex financial calculators, translation features, and more. Pioneered AI-based projects, integrating Python, Node.js, and multiple LLMs for automation in AI applications and multiple-platform integrated solutions. Developed efficient trading bots and algorithms for Metatrader 5. Shopify and WordPress projects with a focus on user-centric design and payment integrations.

React and React Native Developer

Smokeless

2020 - 2022

React Native development of a mobile application for medical progress tracking, facilitating better user interaction and engagement. Translated React Native app features to a React Web application, achieving seamless cross-platform user experience.

React Front-End Developer

Newzoo

2019 - 2020

Development of Newzoo's web analytics platform; focused on large data visualization enhancements through interactive graphs and animations. Observed financial performance and identified trends. Collaborated closely with Q&A and design teams to optimize user experience.

Skills

css

ethereumjs

front-end

javascript

nextjs

node

react

react-native

tailwind

typescript

web3js

english

german

romanian

spanish

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