Mario V. - Web application developer

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Munich, Germany

Experience

Nov 2024 - Jun 2025

8 months

Remote

Lead developer

Centrotherm International AG

Completed rewrite of centrotherm.de with Next.js
Built system to automatically generate printable product datasheets
Technologies: React, TypeScript, Storybook, SASS, Next.js, I18n

Apr 2023 - Present

2 years 6 months

Hybrid

Developer

Neo Commerce

Consulted and developed AI enhancements for existing Neocom products
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

Hybrid

Developer

Funct.ion

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

Aug 2019 - Jan 2020

6 months

Remote

Lead Developer

Lightning Labs

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

Apr 2018 - Present

7 years 6 months

Hybrid

Lead Developer

Hoffmann Group

Developed design system and component library used company wide for 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

Hybrid

Developer

DealerCenter Digital

Built client software for BikeCenter touch terminal assisting bike dealers in their selling process
Served as tech lead and developed the entire client application
Conducted handover to internal team
Technologies: React, Redux, TypeScript, Electron, Node.js, Express.js, SASS, Docker, Storybook, ElasticSearch, Webpack, GraphQL

Mar 2015 - Present

10 years 7 months

Hybrid

Developer

All3dp

Developed client-side part of 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

Hybrid

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

10 years 10 months

Remote

Lead 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

Ulm, Germany

Academic Assistant

University of Ulm

Institute of Artificial Intelligence
Subject area: Semantic Web

Apr 2006 - Present

19 years 6 months

Freelance Web Developer

Subject area: Web Application Development
Selected customers: ProSiebenSat.1 TV Deutschland GmbH, Hoffmann Group, DealerCenter Digital GmbH, All3DP GmbH, centrotherm international AG, Neo Commerce GmbH

Summary

Hi, I am Mario. I've been working as freelance web developer since 2006. I finished my studies with a degree in Master of Computer Science in 2012. My main interest is to combine modern web technologies with the best possible user experience.

I am a part of Codastic, a remote-first freelancer collective offering full stack web application engineering and consulting. You can also book us as a team.