Adrian Martins

Senior Engineering Manager at Wolt · GraphQL, React

Wolt

Madrid, Spain · CET (UTC+1)

12+ years experience

Humboldt University of Berlin

English, Spanish, Hindi

Co-founder Open to work

Messaging unavailable

Overview

Based in Madrid. I lead web frontends at Wolt. Reduced cloud spend on web by 40% in two quarters. Most at home with Next.js and web performance. Learning to sail.

Good reasons to reach out

People who want to build this with me
Roles in web frontends
Second opinions on Next.js decisions
Speaking or podcast invitations

Please don't message about

Generic networking requests
Crypto token projects

Checks messages twice a week

Skills

TypeScriptGraphQLweb performanceNext.jsReact

Co-founderLooking for a co-founder

closes in 3 months

Need an ML-focused co-founder: compliance automation in North America

The idea: Need an ML-focused co-founder: compliance automation in North America
Stage: Customer interviews
I bring: 9 years in web frontends
Looking for: Commercial co-founder who has sold to enterprises
Commitment: Full-time after funding
Location: Madrid or remote

I bring 17 years of web frontends (currently Wolt). Ideally you've sold to enterprises. Full-time from day one.

Madrid, Spain · remote OKtypescriptnext.jsreact

Open

Open to workLooking for a role

closes in 3 months

Open to Frontend Engineer roles at growth-stage consumer apps companies

Target roles: Frontend Engineer
Level: Senior
Industries: Consumer apps, E-commerce
Work mode: Remote
Available: 30 days notice
Work authorization: Authorized to work in Spain
What I'm looking for: Hands-on work on GraphQL with room to mentor.
Not interested in: Pure people management

17 years in web frontends. Strongest at TypeScript and React. Serving notice now.

Madrid, Spaintypescriptgraphqlnext.js

Open

Experience

Senior Engineering Manager
Apr 2025 - Present
Wolt · 1 yr 6 mo · Full-time · Madrid, Spain
- Brought on-call pages for web down from 30 a week to 2.
- Grew the web team from 6 to 21 engineers.
Staff Frontend Engineer
Mar 2023 - Apr 2025
BlaBlaCar · 2 yr 1 mo · Full-time · Madrid, Spain
- Moved 63% of web traffic off a legacy monolith without a customer-facing incident.
- Cut the main bundle by 45% and got LCP under 1.8 seconds.
Frontend Engineer
Jan 2021 - Mar 2023
L'Oréal · 2 yr 2 mo · Full-time · Madrid, Spain
- Cut the main bundle by 59% and got LCP under 1.5 seconds.
- Shipped a rewrite that took build times from 43 minutes to under 2.
Senior Frontend Engineer
Aug 2017 - Jan 2021
Allegro · 3 yr 5 mo · Full-time · Madrid, Spain
- Shipped 12 launches on the web team without a rollback.
Frontend Engineer
May 2014 - Aug 2017
Bosch · 3 yr 3 mo · Full-time · Madrid, Spain
- Brought on-call pages for web down from 15 a week to 3.

References

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Education

Humboldt University of Berlin
BA, Electronics and Communication
2005 - 2008

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