Elena Rosa Cruz

Senior Engineering Manager at Lockheed Martin · experimentation, TypeScript

Lockheed Martin

Washington, DC · ET (UTC-5)

8+ years experience

Northwestern University

English

Co-founder

Messaging unavailable

Overview

Based in Washington. I lead growth engineering at Lockheed Martin. Built the experimentation framework 20 product teams use to ship changes safely.

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People who want to build this with me
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Skills

TypeScriptanalyticsexperimentationPostgreSQLNode.jsReact

Co-founderLooking for a co-founder

closes in 3 months

Looking for an ML-focused co-founder for field-service scheduling for airlines

The idea: Looking for an ML-focused co-founder for field-service scheduling for airlines
Stage: Prototype
I bring: 6 years in growth engineering
Looking for: Product-minded engineer
Commitment: Full-time after funding
Location: Washington or remote

I bring 13 years of growth engineering (currently Lockheed Martin). Ideally you've built ML systems in production. Pre-product, some customer interviews done.

Washington, DC · remote OKexperimentationpostgresqlnode.js

Open

Experience

Senior Engineering Manager
Jan 2026 - Present
Lockheed Martin · 9 mo · Full-time · Washington, DC
- Wrote the Node.js service that now handles 2 million requests a day.
- Shipped a rewrite that took build times from 29 minutes to under 2.
- Mentored 10 engineers through their first promotion.
Staff Full-Stack Engineer
Apr 2024 - Jan 2026
Cloudflare · 1 yr 9 mo · Contract · Washington, DC
- Led the migration of 66 services to analytics.
Engineering Manager
Oct 2021 - Apr 2024
Reddit · 2 yr 6 mo · Contract · Washington, DC
- Shipped 29 launches on the growth team without a rollback.
- Brought on-call pages for growth down from 17 a week to 4.
Engineering Manager
May 2020 - Sep 2021
Ford · 1 yr 4 mo · Full-time · Washington, DC
- Cut p99 latency on the growth services from 336ms to 160ms.
Senior Full-Stack Engineer
Nov 2018 - May 2020
McKinsey & Company · 1 yr 6 mo · Full-time · Washington, DC
- Shipped a rewrite that took build times from 29 minutes to under 6.
- Brought on-call pages for growth down from 15 a week to 2.

References

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Education

Northwestern University
BA, Mathematics
2008 - 2012

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