Lina Fahmy

Director of Engineering at Emirates NBD · Elasticsearch, learning to rank

Emirates NBD

Riyadh, Saudi Arabia · AST (UTC+3)

10+ years experience

Hebrew University of Jerusalem

English, Arabic

Co-founder

Messaging unavailable

Overview

I've spent 16 years on search and ranking - first at e&, now at Emirates NBD. Shipped a rewrite that took build times from 14 minutes to under 5. Wrote the A/B testing service that now handles 78 million requests a day. Before that: Wix and Siemens. I read too many books about cities.

Good reasons to reach out

People who want to build this with me
Questions about search and ranking
Speaking or podcast invitations

Please don't message about

Crypto token projects
Offshore staffing offers

Travels often; replies within 48 hours

Skills

Elasticsearchlearning to rankPythonJavaA/B testing

Co-founderLooking for a co-founder

closes in 3 months

Looking for a technical co-founder for field-service scheduling for community banks

The idea: Field-service scheduling for community banks
Stage: Customer interviews
I bring: 15 years in search and ranking
Looking for: Commercial co-founder who has sold to enterprises
Commitment: Full-time now
Location: Riyadh or remote

I bring 16 years of search and ranking (currently Emirates NBD). Ideally you've run operations in Europe. Pre-product, some customer interviews done.

Riyadh, Saudi Arabia · remote OKlearning to ranka/b testingjava

Open

Experience

Director of Engineering
Apr 2024 - Present
Emirates NBD · 2 yr 6 mo · Full-time · Riyadh, Saudi Arabia
- Cut p99 latency on the search services from 567ms to 93ms.
- Built the experimentation framework 22 product teams use to ship changes safely.
Principal Engineer
Oct 2021 - Apr 2024
Wix · 2 yr 6 mo · Full-time · Riyadh, Saudi Arabia
- Sit on 3 boards.
- Led or co-led 8 investments, 2 of them now at Series B or later.
Software Engineer
Jul 2020 - Oct 2021
Siemens · 1 yr 3 mo · Full-time · Riyadh, Saudi Arabia
- Brought on-call pages for search down from 23 a week to 3.
- Cut p99 latency on the search services from 536ms to 161ms.
Engineering Manager
Nov 2018 - Jul 2020
SABIC · 1 yr 8 mo · Full-time · Riyadh, Saudi Arabia
- Brought on-call pages for search down from 33 a week to 2.
- Reduced cloud spend on search by 18% in two quarters.
Engineering Manager
Feb 2017 - Nov 2018
e& · 1 yr 9 mo · Full-time · Riyadh, Saudi Arabia
- Built the experimentation framework 20 product teams use to ship changes safely.
- Shipped 8 launches on the search team without a rollback.

Projects

Conference talk: lessons from search

2026

What went wrong and what worked while scaling search and ranking.

References

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Education

Hebrew University of Jerusalem
BSc, Electrical Engineering
2006 - 2010

Details

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