Luis De León Giraud
Ex Manager Director Of Valiant Travel & Events at Freelance
Colmenar Viejo, Community of Madrid, Spain
Summary
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RockstarLuis De León Giraud is a versatile professional with 11 years of software/UX engineering experience and a long-established leadership background in travel, events and incentives, having directed Valiant Travel & Events and held senior roles across major travel firms. Based in Colmenar Viejo, Spain, he blends front-end craftsmanship—contributing UI and UX improvements to high-profile open-source projects like Microsoft’s developer design repo and Elastic’s Kibana—with executive operations and product leadership honed over decades. His front-end work shows attention to polished micro-interactions (animated gradients, theme support and RTL-aware text animation) and visual consistency in complex UIs, reflecting a designer-developer mindset. Comfortable switching between strategy and hands-on coding, he brings uncommon cross-domain fluency: operational expertise in global events plus practical engineering chops that improve user experience at scale.
11 years of coding experience
19 years of employment as a software developer
Portuguese, Spanish, English
Github Skills (14)
css10
uid10
front-end-development10
ui-design10
animation10
react10
typography9
theme-development9
kibana8
visualizations7
dashboard7
visualization7
html6
javascript5
Programming languages (5)
Github contributions (5)
microsoft/join-dev-design
Jul 2018 - Jul 2018
❗️ Join Microsoft Developer Design
Role in this project:
Front-end Developer
Front-end DeveloperContributions:12 commits, 1 PR, 6 comments in 3 days
Contributions summary:Luis primarily focused on enhancing the user interface and visual presentation of the "Join Microsoft Developer Design" repository. Their commits centered on implementing animated gradient effects for hover states on text links, incorporating theme support for light and code-focused themes, and adjusting the gradient color proportions. They added support for text animation direction based on the HTML `dir` attribute and resolved rebase conflicts.
cssjoinmicrosoft
elastic/kibana
Apr 2023 - Apr 2025
Your window into the Elastic Stack
Role in this project:Front-end Developer
Front-end DeveloperContributions:124 reviews, 117 PRs, 38 pushes in 1 year 11 months
Contributions summary:Luis primarily focused on enhancing the user interface and visual consistency within the Kibana platform, specifically within the Web Crawlers and Connectors sections. Their contributions involved fixing typography issues, ensuring consistent title sizes, and refining the overall layout and spacing of UI elements. The changes included code modifications in React components and the implementation of visual elements to improve UX.
elasticdashboardskibanaobservabilitywindow
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