You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
Sébastien DuboisSD

Sébastien Dubois

Full-Stack Developer | Ruby on Rails

€600/day
Bruxelles, BE
8-15 years

Average response time: 1 hour

About Sébastien

Freelance software engineer with 15 years of experience incl. 8 years as full-stack web developer. Versatile across the stack, detail oriented, strong communication and problem-solving skills. I have developed e-learning applications, web APIs, and realtime control system components, within the mental health, nuclear medicine, and cybersecurity industries. I am bilingual in English and have lived in 6 countries.

Ingénieur informatique freelance doté de 15 ans d'expérience, dont 8 ans en tant que développeur web full-stack (Ruby on Rails, Java). Polyvalent, soucieux du détail, je possède de solides compétences en matière de communication et d'analyse. J'ai développé des applications de e-learning, des API web et des composants de systèmes de contrôle temps-réel, dans les secteurs du bien-être et de la santé mentale, de la médecine nucléaire et de la cybersécurité. Bilingue anglais-français, j'ai vécu dans 6 pays.
  • French

    Native or bilingual

  • English

    Native or bilingual

  • German

    Conversational

  • Dutch

    Basic

  • Polish

    Basic

Can work on-site
Bruxelles (up to 20km)

Experience

  • Belighted
    Full Stack Engineer
    March 2024 - Today (2 years and 3 months)
    Louvain-la-Neuve, BW, Belgium
    Development and maintenance of Ruby on Rails backends and APIs. Technologies: Ruby on Rails, Docker, AWS, Make.com. Products: Athena, HannaGo.
    - Develop REST API endpoints
    - Integrate third-party APIs
    - Perform validation testing and upgrade the production system
  • Imagine Clarity
    Software Engineering Consultant
    January 2024 - Today (2 years and 5 months)
    Brussels, Belgium
    Continuing remote full-stack web development and business operations for Imagine Clarity. Ruby on Rails, Tailwind CSS, Javascript Hotwire (Stimulus, Turbo), Postgresql, Stripe payments, transactional/marketing emails, English/ French audio-video editing (DaVinci Resolve), translating, copywriting, captioning, user support.
  • Imagine Clarity
    Chief Technology Officer
    February 2017 - December 2023 (6 years and 10 months)
    Belgium & Blues, Southampton, England, United Kingdom
    Full-stack web and mobile development. Ruby on Rails, Tailwind CSS, Javascript, Hotwire (Stimulus, Turbo), Postgresql, Kotlin, Jetpack Compose, Swift UI, Android, iOS, hybrid mobile apps. Cloud hosting and delivery, AWS S3/CloudFront, CDN, video streaming, Stripe payment integrations, transactional/marketing emails. Testing, CI, performance, security, Git version control, open-source libraries. English and French audio-video editing (DaVinci Resolve), translation, copywriting, captioning. User support, troubleshooting, analysis.

Recommendations

Be the first to recommend Sébastien

Help this freelancer shine by sharing your experience working together.

These freelancer profiles also match your criteria

AgathaA

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

2

BaptisteB

Baptiste Duhen

Fullstack developer

4.6

(4)

5

AmedA

Amed Hamou

Senior Lead Developer

4

(2)

7

AudreyA

Audrey Champion

Web developer

4.3

(3)

4

Education

  • Bachelor of Engineering in Mechanical Engineering
    Université catholique de Louvain
    2007
    Master's Degree, Mechanical Engineering
  • Economics and Management
    SOLVAY Business School
    2013
    Economics and Management

Skill set

Categories