Sign In

Cosmin Nicolaescu

CTO at Brex

Cosmin Nicolaescu is the Chief Technology Officer (CTO) at Brex, a fintech company that provides corporate cards and spend management solutions.13 He joined Brex in December 2018 and has been instrumental in scaling the company's technology infrastructure and driving innovation.34

Prior to Brex, Nicolaescu had an impressive career in the tech industry:

  1. He led Stripe's Global engineering and product teams, helping scale the company from 100 to over 1,400 employees worldwide.12
  2. At Stripe, he expanded engineering teams to Seattle, Dublin, and Singapore, and built the Stripe Terminal engineering and product teams.12
  3. Before Stripe, he worked as a Senior Software Design Engineer at Microsoft for nearly 6 years, focusing on Azure, Office 365, and the Microsoft Commerce Platform.124

Nicolaescu's educational background includes a Bachelor of Science in Computer Science from Drexel University, where he also worked as a Network Administrator and Teaching Assistant.4

At Brex, Cosmin oversees the company's technological strategy and innovation, leading the engineering team in developing cutting-edge financial solutions.3 His expertise in scaling global engineering organizations and his background in payments and financial technology have been crucial to Brex's growth and success in the fintech industry.12

Highlights

Aug 21 · linkedin

🎭 Behind the Calm: A First-Time Founder's Fears

As I step into the world of entrepreneurship, I’m filled with a mix of excitement and fear. Becoming a founder is a journey like no other — filled with challenges, uncertainty, and immense growth. In my latest post, I’ve laid out my unfiltered fears as I prepare to take this leap.

While I’m happy I took the time to write this post, I’m equally nervous to publish it, for obvious reasons.👇

Aug 5 · linkedin

🤖 Is test-driven development (TDD) on its way out?

In this blog post, I explore the impact of LLMs on software development, specifically the rise of AI-generated tests. As LLMs become more sophisticated, the traditional approach of writing tests manually might become obsolete. I share my experience using LLMs to generate tests, outlining the benefits and challenges.

👉 Read the full blog post here:

Related Questions

What are some of the key projects Cosmin Nicolaescu has led at Brex?
How did Cosmin Nicolaescu's role at Stripe prepare him for his position at Brex?
What are the main technological strategies Cosmin Nicolaescu is implementing at Brex?
How has Cosmin Nicolaescu's background in engineering influenced his approach at Brex?
What are the biggest challenges Cosmin Nicolaescu has faced in his career?
Cosmin Nicolaescu
Cosmin Nicolaescu, photo 1
Cosmin Nicolaescu, photo 2
Add to my network

Location

Los Angeles Metropolitan Area