Freelancer profile translated to English.

Description

Software Engineer since 2011, specializing in the development of responsive web and mobile applications, with growing expertise in integrating AI solutions. Main stack: Ruby on Rails & React. I support my clients from conception to production, with a focus on simplicity, performance, and user experience. Available for flexible hourly missions (evenings and weekends).

References

"Flavio excels at simplifying complex problems with his true 'keep it simple' approach, from product specification to engineering work." (Romain Choquet @ Doctolib)

"He is more of a generalist than a specialist. His most valuable skill is understanding and quickly designing process automation." (Arturo Edo, founder @ Touts)

"I believe he has the potential and drive to become a top-tier developer and leader in any tech company smart enough to fuel his enthusiasm and give him room to grow." (Pedro Bittencourt, founder @ GreenAnt)

Preferred technical stack

- Back-end: Ruby on Rails

- Infra: Heroku, Postgres, Redis

- Front-end: MUI, Tailwind, Bootstrap

Industry field of expertise

Languages

French
Fluent
English
Fluent
Spanish
Fluent
Portuguese
Native or bilingual

Workplace preferences

Remote only

Primarily works remotely

Antelo SASU
Founder & Freelance Developer - AI & Web/Mobile
CONSULTING AND AUDITS
October 2025 - Today (10 months)
Nice, France
Founder of Antelo (antelo.io), a freelance consulting and development company specializing in the integration of artificial intelligence solutions. Supported several clients on AI integration projects, particularly in the healthcare sector, as well as on the automation of internal processes for small and medium-sized businesses.

Main stack: Ruby on Rails, React, AI integrations.
Ruby on Rails Artificial Intelligence React.js AI Automation
Doctolib
Staff Engineer
MEDICAL
April 2019 - September 2025 (6 years and 5 months)
Paris, France
Staff Engineer within the product teams at Doctolib, a leading platform for online medical appointment booking. Contributed to the technical architecture and performance of the platform (Ruby on Rails, React), with a cross-functional role in reliability, scalability, and technical support for the teams.

Stack: Ruby on Rails, React.js, PostgreSQL, Redis, Heroku.
Ruby on Rails Heroku React.js PostgreSQL Redis
Touts.com.br (e-Commerce)
Full-Stack Developer
E-COMMERCE
April 2016 - March 2020 (3 years and 11 months)
Rio de Janeiro, Brazil
Full-Stack Developer at a Brazilian e-commerce platform. Tenfold increase in revenue in one year, mainly due to the expansion of offline presence (physical stores) and integration with third-party marketplaces.

Technical skills: Ruby, Rails, Heroku, asynchronous jobs, caching, on-the-fly image processing, AWS.
Ruby on Rails PostgreSQL Heroku Ruby Full-Stack Development