Looking for a job

Renaud GAGNON

@renaudgagnon

Message

Senior Backend and AI Engineer specializing in Ruby on Rails and scalable architectures.

France

Message

What I'm looking for

Je recherche un rôle backend/IA où je peux concevoir architectures scalables, intégrer IA, encadrer équipes et livrer rapidement en production.

Je suis un développeur senior back-end Ruby on Rails avec plus de 8 ans d’expérience, spécialisé en architecture logicielle, orchestration d’agents IA et systèmes backend scalables. J’ai travaillé en startup et scale-up, conduisant migrations en production, intégrations IA et mise en place d’infrastructures robustes (Docker, Kubernetes, AWS).

J’excelle dans le mentorat d’équipes, la définition de visions architecturales et la livraison rapide de systèmes exploitables en production, en privilégiant performance, maintenabilité et valeur produit.

Experience

Work history, roles, and key accomplishments

Current

Senior Backend / AI Engineer – RoR

Current

Yeati.co / Smartfire

Jan 2024 - Present (2 years)

Migrated production Rails platforms, developed AI agents and workflows, and managed DevOps and infrastructure maintenance to improve reliability and delivery cadence.

Ruby on Rails Docker CI CD AWS Kubernetes DevOps PostgreSQL

Current

Senior Backend / AI Engineer

Current

Freelance

Jan 2024 - Present (2 years)

Migrated Rails platforms in production, developed AI agents and orchestration workflows, and handled DevOps, infrastructure management, and maintenance for multiple clients.

Ruby on Rails DevOps AWS Docker Kubernetes CI CD Observability

CTO / Lead Engineer

Softcorner

Feb 2022 - Aug 2023 (1 year 6 months)

Designed and developed the core web platform, supervised external contractors, and instituted security best practices in a CISO role while building a scalable, maintainable backend.

Ruby on Rails Docker Kubernetes AWS CI CD & Security PHP

Chief Technology Officer

Softcorner

Feb 2022 - Aug 2023 (1 year 6 months)

Led design and development of the main web platform, supervised external vendors, implemented security best practices (acting as CISO), and delivered a scalable, maintainable backend architecture.

Ruby on Rails Architecture Security Engineering AWS Docker Kubernetes CI CD Team Leadership

Senior Freelance Developer

Independent

Apr 2020 - Apr 2022 (2 years)

Built and refactored Rails platforms from alpha to production, provided technical coaching to teams, and integrated automated workflows and AI features for clients.

Ruby on Rails Heroku React Angular Integration Mentoring CI CD

Lead Ruby On Rails Developer

Freelance

Apr 2020 - Apr 2022 (2 years)

Built and refactored Rails platforms from alpha to production, provided technical coaching and team training, and integrated automated workflows and AI features for clients.

Ruby on Rails Heroku React Angular Automation Integration Mentorship Continuous Delivery

Lead Développeur

Host'n Fly

Dec 2019 - Aug 2020 (8 months)

Developed critical new features, mentored junior developers, improved development practices, and contributed to R&D initiatives to enhance product quality and delivery.

Ruby on Rails Mentorship R&D Docker

Lead Developer, Ruby on Rails

Host'n Fly

Dec 2019 - Aug 2020 (8 months)

Delivered critical new features, mentored junior developers, and improved development practices while contributing to R&D efforts to enhance product quality and velocity.

Ruby on Rails Mentoring R&D React

Ruby on Rails Developer

Touch & Sell

Feb 2017 - Dec 2019 (2 years 10 months)

Led a full rewrite of the application, acted as technical lead and mentor, and introduced Docker and development best practices to improve maintainability and deployment.

Ruby on Rails Docker Technical Leadership Refactoring Mentoring CI CD

Développeur Ruby on Rails

Touch & Sell

Feb 2017 - Dec 2019 (2 years 10 months)

Led a complete application rewrite, provided technical leadership and mentorship, and implemented Docker and development best practices to improve maintainability and deployment.

Ruby on Rails Docker Technical Leadership Refactoring Mentorship Deployment

Developer

Quasar Conseil

Sep 2008 - Sep 2016 (8 years)

Developed applications for universities and research organizations focused on research valorization and university management using PHP and Oracle systems.

PHP Oracle SAP Application Development SQL