Ines Cristina Ruiz

Engineering Manager, Delta Mobility - Next.js · React · CSS

Delta Mobility

Barcelona, Spain · CET (UTC+1)

11+ years experience

École Polytechnique

English, Spanish

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Overview

Currently at Delta Mobility, where I lead web frontends with a team of 11. Shipped 29 launches on the web team without a rollback. Before that: SAP and Amazon. Cyclist - trying to do a century this year.

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Thoughtful intros to people in my field
Questions about web frontends
Working sessions on accessibility

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Skills

accessibilityCSSNext.jsReact

Experience

Engineering Manager
Sep 2024 - Present
Delta Mobility · 2 yr 1 mo · Full-time · Barcelona, Spain
- Led the migration of 62 services to Next.js.
- Moved 73% of web traffic off a legacy monolith without a customer-facing incident.
Senior Frontend Engineer
Mar 2022 - Sep 2024
SAP · 2 yr 6 mo · Full-time · Barcelona, Spain
- Built the experimentation framework 39 product teams use to ship changes safely.
- Cut p99 latency on the web services from 361ms to 131ms.
Senior Frontend Engineer
May 2018 - Mar 2022
Amazon · 3 yr 10 mo · Full-time · Barcelona, Spain
- Led the move of 266 screens to a shared React component library.
Frontend Engineer
Oct 2015 - May 2018
Volvo Cars · 2 yr 7 mo · Full-time · Barcelona, Spain
- Moved 68% of web traffic off a legacy monolith without a customer-facing incident.
- Shipped a rewrite that took build times from 16 minutes to under 5.

References

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Education

École Polytechnique
Ingénieur, Information Technology
2011 - 2015

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