Sebastián Ramírez Montaño in

Sebastián Ramírez Montaño

Trailblazer · DISC type DI
Founder at FastAPI Cloud
📍 Berlin, Berlin, Germany

Sebastián Ramírez is the creator of widely-used open-source tools like FastAPI and Typer, and the founder of FastAPI Cloud. With deep expertise in APIs, machine learning, and data systems, he is known for his relentless focus on developer experience. People often describe him as a "technical wizard", "passionate", and "helpful".

Originally from Colombia and now based in Berlin, Germany, Sebastián was homeschooled and taught himself to code. Outside of his work, he enjoys playing video games, watching movies, and drinking cappuccinos. He is passionate about making technology and education accessible to people everywhere, regardless of their background.

At age seven, he was asked to leave school for asking too many questions—an early sign of the deep curiosity that drives his work today.

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Experience
10 Years
Current Role
Founder
Job Level
Leadership
Location
Berlin, Berlin, Germany
Personality Overview

How Sebastián shows up

Achievement-Oriented
Charismatic
Informal

They are charming and have the ability to align others behind their decisions. They are more likely to be open to unproven but exciting technologies. They will bat for you if they come to believe in you.

Priorities

Topics Sebastián cares about

Developer Experience
He created FastAPI with the primary goal of improving the workflow for developers, focusing on simplicity, efficiency, and clear documentation.
Open Source
As the creator of major open source projects and a former Sequoia Open Source Fellow, he is a strong advocate for a welcoming and collaborative community.
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Career

Work history

1-2024
Founder
FastAPI Cloud
1-2023 - 12-2023
Sequoia: Open Source Fellow
FastAPI
7-2019 - 4-2021
Software Developer
Explosion AI
6-2018 - 5-2019
Chief Technology Officer
Datum Consultants
3-2018 - 6-2018
Chief Data Scientist
Datum Consultants
In the press

Media appearances

Interview With Sebastián Ramírez Montaño, Founder of FastAPI Labs. Featured in YouTube
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Interview With Sebastián Ramírez Montaño, Founder of FastAPI Labs. Featured in jb.gg
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Education
2017 - 2018
Deep Learning Specialization
Coursera
2018 - 2018
Sequence Models
Coursera
Social presence
in
Behavioral profile

DISC profile (public)

D

Dominance (D)

Dominance (D) reflects how goal and task oriented a person is, and their ability to accomplish results irrespective of how demanding the circumstances might be. Those scoring high tend to be motivated by winning, competition, and success.

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