Sebastien Mamessier

AI/Software/Cloud Infrastructure

Salary / Daily rate

Toulouse, France

Freelance, open to permanent contract

Remote only

Skills

DevOpsData EngineeringC++PythonGolangNodeJavaSQL QueriesGoogle Cloud PlatformLookerAIdbtBackend DevelopmentFullstack DevelopmentLLMs / Large language models

Languages

English (Native)French (Native)German

About me

Intro

CTO, Technical Leader in AI/Data/Software Engineering with great experience on both sides of the Atlantic.

Links

Work experience

Rectangle

Sep 2020 - Present

6 years 2 months

CTO

Sep 2020 - Present

6 years 2 months

- Mentors startups in their AI and Software roadmaps. - CTO Advisory - Due Diligence for Deep Tech, complex scalability analysis.

Principal Software Engineer

Sep 2020 - Present

6 years 2 months

69340 Francheville, France

- AI/Data Engineering at scale - Cloud architecture, DevOps - Software Performance Optimization - Engineering Management Consulting - Robotics/Autonomy Engineering

BRANDED

Apr 2021 - May 2022

1 year 2 months

69340 Francheville, France

Director Of Engineering

May 2021 - May 2022

1 year 1 month

69340 Francheville, France

- Build and grow a Tech team for disruptive intelligent e-Commerce - Own & Orchestrate Data/ETL, DevOps, ML and Software Engineering roadmaps - Build an inclusive and performance-oriented Tech culture. Promote DevOps to enable engineering ownership.

Principal Engineer

Apr 2021 - May 2022

1 year 2 months

69340 Francheville, France

- Build a scalable Data Platform from scratch [dbt, Airflow, GCP, Looker, ...] - Build data-driven probabilistic decision making algorithms for e-Commerce [pyro.ai] - Implement a reproducible DevOps platform using GitlabCI/Bazel with support for Go, Python, Node.js services.

Uber

Aug 2016 - May 2021

4 years 10 months

Paris Area, France

Engineering Lead

Jul 2019 - May 2021

1 year 11 months

Paris Area, France

[Uber Elevate] Engineering Lead / Senior Engineer - Data Engineering for Safe AI - Scalable simulations for UAM - Robust Autonomy and Machine Learning at scale - Reproducible DevOps using GCP and Bazel

Tech Lead - Senior Software/AI Engineer

Aug 2016 - Jul 2019

3 years

Pittsburgh, PA, USA

[Uber Advanced Technology Group - Self driving] - Deterministic simulation at scale on cloud infrastructure - Software performance optimization at scale - Design, development and integration of safe, low-latency self-driving algorithms (perception, prediction, motion-planning). - Uncertainty handling

Airbus

Sep 2013 - Aug 2016

3 years

Munich Area, Germany

Tech Lead

Sep 2013 - Aug 2016

3 years

Munich Area, Germany

Tech lead for Airbus on the FP7 i-Vision project (VR, Human Factors, Semantic Technologies), coordinating validation activities across 7 partners and 5 countries. Design and Implementation (C++, Python, ROS) of a Virtual Reality Flight Simulator for enhanced, integrated Human Factors analysis of early avionic systems concepts.

Human-AI Interaction Research

Sep 2013 - Sep 2015

2 years 1 month

Munich Area, Germany

Researching theoretical foundations for Human-AI collaboration in modern flight decks.

Research Assistant

Georgia Institute of Technology

Oct 2011 - Oct 2013

2 years 1 month

Atlanta, GA, USA

(Ford/NSF) Design and implementation of adaptive automation and driving simulation experiments for the study of (semi) autonomous vehicles. (NASA) Design and implementation of a deterministic simulation engine (C++) for human-automation interactions in the Cockpit and Air Traffic Management concepts of operation. Development of new metrics and certification procedures for Airliners Loss Of Control Recovery operations based on cognitive engineering theory.

Software Engineering Internship

Bouygues Construction

Jul 2010 - Aug 2010

2 months

Paris Area, France

Development of a decision making and reporting tool (Java, SQL)


Education

Georgia Institute of Technology

Doctor of Philosophy (Ph.D.) , Robotics - pending defense.

2013 - 2016

3 years

Coursework: Artificial Intelligence, Motion planning, Machine Learning, Optimization, Computer Vision, Computational Neuroscience. PhD thesis: Redefining Human-AI collaboration for transportation systems from the perspective of cognitive science, artificial intelligence and software engineering.

Georgia Institute of Technology

Master of Science, Aerospace Engineering

2011 - 2014

3 years

Coursework: Robust Control, Optimal Control, Cognitive Engineering, Aircraft Design, Human-Integrated Systems. Master Thesis - Quantitative simulation of pilots' mental models of automated systems for evaluation and validation of advanced Avionics Systems and CONOPS in modern airliners operations.


Licenses & certifications

Private Pilot License

Issued: Sep 2013

Certified by Direction Generale de l'Aviation Civile

The best place to find your next move

© 2026. All Rights Reserved.