Mario Volke - Freelance Developer

Q: Where is Mario based?

Mario is based in Munich, Germany .

Q: What languages does Mario speak?

Mario speaks the following languages: German (Advanced), English (Advanced) .

Q: How many years of experience does Mario have?

Mario has at least 20 years of experience. During this time, Mario has worked in at least 3 different roles and for 11 different companies . The average length of individual experience is 2 years and 10 months . Note that Mario may not have shared all experience and actually has more experience.

Q: What is Mario's latest experience?

Mario's most recent position is Freelance Developer at Centrotherm International AG .

Q: What companies has Mario worked for in recent years?

In recent years, Mario has worked for Centrotherm International AG , Neo Commerce , Funct.ion , Hoffmann Group , and DealerCenter Digital .

Q: Which industries is Mario most experienced in?

Mario is most experienced in industries like Manufacturing , Information Technology (IT) , Media, and Entertainment and Publishing . Mario also has some experience in Retail and Education .

Q: Which business areas is Mario most experienced in?

Mario is most experienced in business areas like Information Technology (IT) , Product Development , and Research and Development (R&D) .

Q: Which industries has Mario worked in recently?

Mario has recently worked in industries like Manufacturing , Information Technology (IT) , Media, and Entertainment and Publishing .

Q: Which business areas has Mario worked in recently?

Mario has recently worked in business areas like Information Technology (IT) and Product Development .

Recommended expert

Munich, Germany

Experience

Nov 2024 - Present

1 year 4 months

Freelance Developer

Centrotherm International AG

Did a complete rewrite of centrotherm.de with Next.js, migrating from Gatsby
Built a system to automatically generate printable product datasheets
Technologies: React, TypeScript, Storybook, SASS, Next.js, I18n

Apr 2023 - Present

2 years 11 months

Freelance Developer

Neo Commerce

Consulted and developed AI enhancements for existing Neocom products and built sophisticated AI solutions on top of existing infrastructure
Technologies: AI, LLM, Embeddings, Vector search, Python, React, Next.js, TypeScript

Feb 2022 - Dec 2022

11 months

Freelance Developer

Funct.ion

Built a Squarespace-like component-driven website editor
Technologies: React, Redux, TypeScript, Webpack, NPM, living styleguide (Storybook), server-side rendering, performance and PageSpeed

Aug 2019 - Jan 2020

6 months

Freelance Developer

Lightning Labs

Built the lightning.engineering website
Technologies: React, SASS, Gatsby, Webpack

Apr 2018 - Present

7 years 11 months

Freelance Developer

Hoffmann Group

Developed a design system and component library used company-wide to build tools, websites and configurators
Technologies: React, TypeScript, Storybook, SASS, Next.js, living styleguide, component library, web components, Rollup, release management, community management

Feb 2018 - Jun 2024

6 years 5 months

Freelance Developer

DealerCenter Digital

Built the client software for BikeCenter, a touch terminal assisting bike dealers in their selling process, serving as tech lead and developing the entire client
Handed over the project to an internal team
Technologies: React, Redux, TypeScript, Electron, Node.js, Express.js, SASS, Docker, Storybook, ElasticSearch, Webpack, GraphQL

Mar 2015 - Present

11 years

Freelance Developer

All3dp

Developed the client side of the website all3dp.com and the price comparison service craftcloud3d.com
Technologies: Next.js, React, Redux, TypeScript, SASS, unit and integration testing, Webpack, AWS, NPM, Storybook, release management

Jan 2015 - Dec 2019

5 years

Freelance Developer

ProSiebenSat.1

Developed 7TV Profile Service, Glomex Video Player, SevenOne Ad Integration and schattenmoor.de
Technologies: React, Node.js, JavaScript, OAuth, JWT, Chromecast

Dec 2014 - Present

11 years 3 months

Freelance Developer

Derivo

Built and maintained SemSpect, a web application to visualize and explore semantic graph data
Technologies: JavaScript, Ext.js, D3.js, SASS, Neo4j

Sep 2009 - Dec 2010

1 year 4 months

Academic Assistant

University of Ulm

Institute of Artificial Intelligence
Subject area: Semantic Web

Apr 2006 - Present

19 years 11 months

Freelance Web Developer

Web application development for clients including ProSiebenSat.1 TV Deutschland GmbH, Hoffmann Group, DealerCenter Digital GmbH, All3DP GmbH, centrotherm international AG and Neo Commerce GmbH

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Manufacturing (20 years), Information Technology (20 years), Media and Entertainment (20 years), Retail (6.5 years), and Education (1.5 years).

Manufacturing

Information Technology

Media and Entertainment

Retail

Education

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (20 years), Product Development (20 years), and Research and Development (1.5 years).

Information Technology

Product Development

Research and Development

Skills

Typescript And Javascript
Node.js
Oauth
React And Redux
Relational Databases (Postgresql)
Unit And Integration Testing
Html And Css
Nosql: Mongodb And Redis
Docker
Sass And Css-in-js
Elasticsearch
Aws
Responsive Webdesign
Cms: Prismic
Cms: Strapi
Cms: Hygraph
Release Management
Component-driven
Living Styleguides
Processwire
Requirements Engineering
Apis: Rest
Graphql
Jwt
Npm
Webpack
Vite
Rollup
Ai: Llms
Ai: Embeddings
Ai: Rags
Ai: Mcp
Next.js
Figma
Sketch

Languages

German

Advanced

English

Advanced

Education

Oct 2009 - Apr 2012

TU Munich

Master of Computer Science · Computer Science · Munich, Germany · 1.1 (approximate equivalent: A)

Sep 2006 - Sep 2009

University of Ulm

Bachelor of Computer Science · Computer Science · Ulm, Germany · 1.1 (approximate equivalent: A)

Profile

Created

September 2025

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Mario based?

Mario is based in Munich, Germany.

What languages does Mario speak?

Mario speaks the following languages: German (Advanced), English (Advanced).

How many years of experience does Mario have?

Mario has at least 20 years of experience. During this time, Mario has worked in at least 3 different roles and for 11 different companies. The average length of individual experience is 2 years and 10 months. Note that Mario may not have shared all experience and actually has more experience.

What roles would Mario be best suited for?

Based on recent experience, Mario would be well-suited for roles such as: Freelance Developer, Academic Assistant, Freelance Web Developer.

What is Mario's latest experience?

Mario's most recent position is Freelance Developer at Centrotherm International AG.

What companies has Mario worked for in recent years?

In recent years, Mario has worked for Centrotherm International AG, Neo Commerce, Funct.ion, Hoffmann Group, and DealerCenter Digital.

Which industries is Mario most experienced in?

Mario is most experienced in industries like Manufacturing, Information Technology (IT), Media, and Entertainment and Publishing. Mario also has some experience in Retail and Education.

Which business areas is Mario most experienced in?

Mario is most experienced in business areas like Information Technology (IT), Product Development, and Research and Development (R&D).

Which industries has Mario worked in recently?

Mario has recently worked in industries like Manufacturing, Information Technology (IT), Media, and Entertainment and Publishing.

Which business areas has Mario worked in recently?

Mario has recently worked in business areas like Information Technology (IT) and Product Development.

What is Mario's education?

Mario holds a Master in Computer Science from TU Munich and a Bachelor in Computer Science from University of Ulm.

What is the availability of Mario?

Mario is immediately available for suitable projects.

What is the rate of Mario?

Mario's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.