I am a senior Senior Frontend Developer with 20 years of experience in building high- performance, interactive web applications.
Aktualisiert am 02.04.2025
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 02.04.2025
Verfügbar zu: 100%
davon vor Ort: 100%
JavaScript
TypeScript
React
Three.js
REST
webGPU
WebGL
TailwindCSS
Vue.js
GraphQL
3D-Grafik
WebSocket
Docker
Ruby on Rails
PostgreSQL
MySQL
SQLite
Redis
MongoDB
English
Fluent
Italian
Muttersprache
German
Verhandlungssicher

Einsatzorte

Einsatzorte

Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

2 years
2023-01 - 2024-12

Developed a fullstack web application

Senior Frontend Developer JavaScript TailwindCSS Ruby on Rails ...
Senior Frontend Developer
  • Developed a fullstack web application with a frontend in JavaScript & Tailwind CSS and a backend in Ruby on Rails.
  • Built APIs and web services using PostgreSQL, Docker, Kamal while managing servers on Hetzner.
  • Improved deployment workflows by integrating a CD pipeline.
JavaScript TailwindCSS Ruby on Rails PostgreSQL Docker kamal
Vision Control
Remote
7 months
2019-09 - 2020-03

Building a generative 3D housing tool

Senior Frontend Developer React Three.js JavaScript ...
Senior Frontend Developer
  • Built a generative 3D housing tool in Three.js, fully integrated into a React + TypeScript frontend.
  • Implemented parameter-based controls, allowing users to dynamically generate and visualize realistic 3D house models.
  • Optimized 3D rendering performance, reducing load times by 50%, improved FPS from 15 to 60.
React Three.js JavaScript TypeScript
metabuild.io
Berlin, remote
10 months
2018-03 - 2018-12

WebGLbased 3D mapping engine

Senior Frontend Developer JavaScript TypeScript React ...
Senior Frontend Developer
  • Worked on the first version of Harp.gl (now Here Maps Javascript API.), a WebGLbased 3D mapping engine.
  • Developed key Harp.gl features, including mouse-picking (raycasting), sky rendering, and country border visualization.
  • Created interactive React-based examples enhancing developer adoption of the framework.
Here Maps Javascript API
JavaScript TypeScript React webGL Three.js shaders 3D-Grafik GIS
HERE
Berlin
5 months
2017-10 - 2018-02

Building a React & Redux-based web application

Senior Frontend Developer React JavaScript typescript ...
Senior Frontend Developer
  • Built a React & Redux-based web application for managing orders in Saturn & Mediamarkt stores.
  • Designed a PostgreSQL database schema for optimized data retrieval.
React JavaScript typescript redux PostgreSQL
storecast
Berlin
11 months
2016-11 - 2017-09

Developement the "Start Coding" website

Freelance Frontend Developer JavaScript React WebGL ...
Freelance Frontend Developer
  • Developed the "Start Coding" website using React, WebGL, and Three.js.
  • Built an interactive WebGL demo for Google?s SOLI sensor, integrating custom shaders for gesture-based interaction.
  • Built a browser game for kids, integrating Google Blockly for visual programming.
JavaScript React WebGL Three.js PostgreSQL GLSL
Studio NAND
Berlin
1 year 10 months
2015-01 - 2016-10

Developement a hybrid mobile app using React

Fullstack Developer Developer JavaScript TypeScript React ...
Fullstack Developer Developer
  • Developed a hybrid mobile app using React (previously Backbone.js) and TypeScript.
  • Migrated a legacy frontend codebase to a modern React + TypeScript stack.
  • Delivered the app across Windows, iOS, and Android using Cordova.
JavaScript TypeScript React Android Ruby Ruby on Rails Linux Systemadministration Monitoringsysteme
Cognita
Berlin
1 year 8 months
2013-05 - 2014-12

Introduced automated testing

Fullstack Developer Ruby Ruby on Rails MongoDB ...
Fullstack Developer
  • Maintained and expanded the company?s core infrastructure using Ruby & MySQL/MongoDB.
  • Transitioned to a frontend role, working with Angular and Javascript.
  • Introduced automated testing for JavaScript (Jasmine, Selenium).
Ruby Ruby on Rails MongoDB MySQL Angular JavaScript Cucumber Jest Redis Jenkins Jasmine Selenium
GameGenetis
1 year 9 months
2011-09 - 2013-05

Developement the design and implementation of responsive web interfaces

Fullstack Lead Developer JavaScript css PHP ...
Fullstack Lead Developer
  • Developed the design and implementation of responsive web interfaces for a news platform using JavaScript and CSS, optimizing for both desktop and mobile experiences.
  • Collaborated with journalists to create intuitive article creation and management tools, enhancing user engagement and workflow efficiency.
  • Developed a comprehensive newsletter system, integrating seamlessly with the frontend to expand the platform's reach and user interaction.
JavaScript css PHP MySQL
The Post Internazionale
1 year 5 months
2010-05 - 2011-09

Developement custom CMS solutions using CakePHP

Fullstack Developer Javascript css php ...
Fullstack Developer
  • Developed frontend applications for desktop and mobile using Javascript and CSS
Javascript css php CakePHP MySQL
Apeunit
Berlin
4 years 4 months
2005-07 - 2009-10

Building fullstack web applications

Fullstack Developer PHP Apache MySQL ...
Fullstack Developer
  • Built fullstack web applications using PHP, Apache, MysqlSQL, JavaScript, HTML, CSS.
  • Gained foundational experience in frontend & backend development
PHP Apache MySQL JavaScript HTML CSS
various
Bologna

Aus- und Weiterbildung

Aus- und Weiterbildung

3 years 1 month
2002-09 - 2005-09

Communication studies

B.A., Università di Urbino, Italy
B.A.
Università di Urbino, Italy

Position

Position


Kompetenzen

Kompetenzen

Top-Skills

JavaScript TypeScript React Three.js REST webGPU WebGL TailwindCSS Vue.js GraphQL 3D-Grafik WebSocket Docker Ruby on Rails PostgreSQL MySQL SQLite Redis MongoDB

Schwerpunkte

Frontend Development
Fortgeschritten
3D graphics
Fortgeschritten
Performance optimization
Fortgeschritten
Mobile optimization
Fortgeschritten

Produkte / Standards / Erfahrungen / Methoden

Git
Experte
CI/CID
Experte
AWS
Fortgeschritten
Docker
Fortgeschritten

Profile

I am a senior Senior Frontend Developer with 20 years of experience in building highperformance, interactive web applications. Specialized in React, TypeScript, and Three.js, with a strong focus on WebGL, 3D rendering, and performance optimization. Passionate about creating seamless user experiences, improving web performance, and integrating innovative UI technologies. Proven track record of developing scalable, visually engaging applications for startups and global brands.


Skills and Expertise

Frontend Development:

  • JavaScript (ES6+), TypeScript
  • React, Next.js, Vue.js
  • WebGL, WebGPU, Three.js, 3D Rendering, GLSL Shaders
  • HTML5, CSS3, Sass, Tailwind
  • Web Performance Optimization (Lazy Loading, Code Splitting)
  • Accessibility (a11y), Responsive Design


Backend & APIs:

  • Node.js, Ruby on Rails
  • REST APIs, GraphQL, WebSockets


DevOps & Tools:

  • Docker, Kamal, Capistrano
  • CI/CD:
    • Jenkins
    • GitHub Actions
    • GitLab CI
  • Web Servers:
    • Nginx,
    • Apache


Teaching Experience:

2018 - 2023

  • Gestalt mit Code 
    • Advanced topics in algorithms & generative design
  • Topics covered:
    • Processing
    • Three.js
    • GLSL Shaders
    • C++ with open Frameworks
    • Fractals
    • JavaScript
    • Computer Vision (OpenCV)


2018 - 2021

  • Grundlagen Creative Coding
    • Introduction to coding principles

Programmiersprachen

Javascript
Experte
Typescript
Experte
Ruby
Fortgeschritten
Rust
Fortgeschritten
C++
Fortgeschritten
C#
Fortgeschritten
Go
Basics

Datenbanken

MySQL
Fortgeschritten
PostgreSQL
Fortgeschritten
MongoDB
Fortgeschritten
SQLite
Fortgeschritten
Redis

Berechnung / Simulation / Versuch / Validierung

Physical simulations
Fortgeschritten

Einsatzorte

Einsatzorte

Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

2 years
2023-01 - 2024-12

Developed a fullstack web application

Senior Frontend Developer JavaScript TailwindCSS Ruby on Rails ...
Senior Frontend Developer
  • Developed a fullstack web application with a frontend in JavaScript & Tailwind CSS and a backend in Ruby on Rails.
  • Built APIs and web services using PostgreSQL, Docker, Kamal while managing servers on Hetzner.
  • Improved deployment workflows by integrating a CD pipeline.
JavaScript TailwindCSS Ruby on Rails PostgreSQL Docker kamal
Vision Control
Remote
7 months
2019-09 - 2020-03

Building a generative 3D housing tool

Senior Frontend Developer React Three.js JavaScript ...
Senior Frontend Developer
  • Built a generative 3D housing tool in Three.js, fully integrated into a React + TypeScript frontend.
  • Implemented parameter-based controls, allowing users to dynamically generate and visualize realistic 3D house models.
  • Optimized 3D rendering performance, reducing load times by 50%, improved FPS from 15 to 60.
React Three.js JavaScript TypeScript
metabuild.io
Berlin, remote
10 months
2018-03 - 2018-12

WebGLbased 3D mapping engine

Senior Frontend Developer JavaScript TypeScript React ...
Senior Frontend Developer
  • Worked on the first version of Harp.gl (now Here Maps Javascript API.), a WebGLbased 3D mapping engine.
  • Developed key Harp.gl features, including mouse-picking (raycasting), sky rendering, and country border visualization.
  • Created interactive React-based examples enhancing developer adoption of the framework.
Here Maps Javascript API
JavaScript TypeScript React webGL Three.js shaders 3D-Grafik GIS
HERE
Berlin
5 months
2017-10 - 2018-02

Building a React & Redux-based web application

Senior Frontend Developer React JavaScript typescript ...
Senior Frontend Developer
  • Built a React & Redux-based web application for managing orders in Saturn & Mediamarkt stores.
  • Designed a PostgreSQL database schema for optimized data retrieval.
React JavaScript typescript redux PostgreSQL
storecast
Berlin
11 months
2016-11 - 2017-09

Developement the "Start Coding" website

Freelance Frontend Developer JavaScript React WebGL ...
Freelance Frontend Developer
  • Developed the "Start Coding" website using React, WebGL, and Three.js.
  • Built an interactive WebGL demo for Google?s SOLI sensor, integrating custom shaders for gesture-based interaction.
  • Built a browser game for kids, integrating Google Blockly for visual programming.
JavaScript React WebGL Three.js PostgreSQL GLSL
Studio NAND
Berlin
1 year 10 months
2015-01 - 2016-10

Developement a hybrid mobile app using React

Fullstack Developer Developer JavaScript TypeScript React ...
Fullstack Developer Developer
  • Developed a hybrid mobile app using React (previously Backbone.js) and TypeScript.
  • Migrated a legacy frontend codebase to a modern React + TypeScript stack.
  • Delivered the app across Windows, iOS, and Android using Cordova.
JavaScript TypeScript React Android Ruby Ruby on Rails Linux Systemadministration Monitoringsysteme
Cognita
Berlin
1 year 8 months
2013-05 - 2014-12

Introduced automated testing

Fullstack Developer Ruby Ruby on Rails MongoDB ...
Fullstack Developer
  • Maintained and expanded the company?s core infrastructure using Ruby & MySQL/MongoDB.
  • Transitioned to a frontend role, working with Angular and Javascript.
  • Introduced automated testing for JavaScript (Jasmine, Selenium).
Ruby Ruby on Rails MongoDB MySQL Angular JavaScript Cucumber Jest Redis Jenkins Jasmine Selenium
GameGenetis
1 year 9 months
2011-09 - 2013-05

Developement the design and implementation of responsive web interfaces

Fullstack Lead Developer JavaScript css PHP ...
Fullstack Lead Developer
  • Developed the design and implementation of responsive web interfaces for a news platform using JavaScript and CSS, optimizing for both desktop and mobile experiences.
  • Collaborated with journalists to create intuitive article creation and management tools, enhancing user engagement and workflow efficiency.
  • Developed a comprehensive newsletter system, integrating seamlessly with the frontend to expand the platform's reach and user interaction.
JavaScript css PHP MySQL
The Post Internazionale
1 year 5 months
2010-05 - 2011-09

Developement custom CMS solutions using CakePHP

Fullstack Developer Javascript css php ...
Fullstack Developer
  • Developed frontend applications for desktop and mobile using Javascript and CSS
Javascript css php CakePHP MySQL
Apeunit
Berlin
4 years 4 months
2005-07 - 2009-10

Building fullstack web applications

Fullstack Developer PHP Apache MySQL ...
Fullstack Developer
  • Built fullstack web applications using PHP, Apache, MysqlSQL, JavaScript, HTML, CSS.
  • Gained foundational experience in frontend & backend development
PHP Apache MySQL JavaScript HTML CSS
various
Bologna

Aus- und Weiterbildung

Aus- und Weiterbildung

3 years 1 month
2002-09 - 2005-09

Communication studies

B.A., Università di Urbino, Italy
B.A.
Università di Urbino, Italy

Position

Position


Kompetenzen

Kompetenzen

Top-Skills

JavaScript TypeScript React Three.js REST webGPU WebGL TailwindCSS Vue.js GraphQL 3D-Grafik WebSocket Docker Ruby on Rails PostgreSQL MySQL SQLite Redis MongoDB

Schwerpunkte

Frontend Development
Fortgeschritten
3D graphics
Fortgeschritten
Performance optimization
Fortgeschritten
Mobile optimization
Fortgeschritten

Produkte / Standards / Erfahrungen / Methoden

Git
Experte
CI/CID
Experte
AWS
Fortgeschritten
Docker
Fortgeschritten

Profile

I am a senior Senior Frontend Developer with 20 years of experience in building highperformance, interactive web applications. Specialized in React, TypeScript, and Three.js, with a strong focus on WebGL, 3D rendering, and performance optimization. Passionate about creating seamless user experiences, improving web performance, and integrating innovative UI technologies. Proven track record of developing scalable, visually engaging applications for startups and global brands.


Skills and Expertise

Frontend Development:

  • JavaScript (ES6+), TypeScript
  • React, Next.js, Vue.js
  • WebGL, WebGPU, Three.js, 3D Rendering, GLSL Shaders
  • HTML5, CSS3, Sass, Tailwind
  • Web Performance Optimization (Lazy Loading, Code Splitting)
  • Accessibility (a11y), Responsive Design


Backend & APIs:

  • Node.js, Ruby on Rails
  • REST APIs, GraphQL, WebSockets


DevOps & Tools:

  • Docker, Kamal, Capistrano
  • CI/CD:
    • Jenkins
    • GitHub Actions
    • GitLab CI
  • Web Servers:
    • Nginx,
    • Apache


Teaching Experience:

2018 - 2023

  • Gestalt mit Code 
    • Advanced topics in algorithms & generative design
  • Topics covered:
    • Processing
    • Three.js
    • GLSL Shaders
    • C++ with open Frameworks
    • Fractals
    • JavaScript
    • Computer Vision (OpenCV)


2018 - 2021

  • Grundlagen Creative Coding
    • Introduction to coding principles

Programmiersprachen

Javascript
Experte
Typescript
Experte
Ruby
Fortgeschritten
Rust
Fortgeschritten
C++
Fortgeschritten
C#
Fortgeschritten
Go
Basics

Datenbanken

MySQL
Fortgeschritten
PostgreSQL
Fortgeschritten
MongoDB
Fortgeschritten
SQLite
Fortgeschritten
Redis

Berechnung / Simulation / Versuch / Validierung

Physical simulations
Fortgeschritten

Vertrauen Sie auf Randstad

Im Bereich Freelancing
Im Bereich Arbeitnehmerüberlassung / Personalvermittlung

Fragen?

Rufen Sie uns an +49 89 500316-300 oder schreiben Sie uns:

Das Freelancer-Portal

Direktester geht's nicht! Ganz einfach Freelancer finden und direkt Kontakt aufnehmen.