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Jérôme GrondinJG

Jérôme Grondin

Supermalter

Fractional CTO, AI Expert, Startup Tech Advisor

€1,800/day
14 projects
Nantes, FR
15+ years

Average response time: 1 hour

About Jérôme

Fort de plus de 20 années d'expériences dans les médias (INA, RTL) 📺 et en startups 🚀 (Swile, Chauffeur-Privé, Touch And Play) je m'adapte à vos besoins pour accompagner votre (hyper) croissance 📈 et faire passer à l'échelle votre tech 👨‍🔧.


Quelques exemples de réalisations sur les 5 dernières années:

🧠 AI Lead Engineer
Tech lead d'applications IA full agentic pour des grands comptes (L'Oréal) pour le marché US.

🥷 CTO as a Service
Au lancement de votre startup, le temps de recruter le vôtre, en phase de shift/transition, etc..

✍️ Architecture logiciel
Passage d'un monolithe à une architecture micro-service, réduction de la dette technique..

🏔 Définition et mise en place d'une vision technique
Accompagnement de votre CTO pour définir et mettre en place une vision tech cohérente vis à vis de vos besoins business

💆‍♂️ Scrum master
Mise à l'échelle des pratiques Agile (+100 personnes) et coaching des équipes

🦸‍♂️ Coaching de vos managers / directeur / CTO
Dans le cas d'une réorg, d'un pivot, d'une levée de fonds, d'une forte croissance, de l'ouverture d'un nouveau marché..

🛡 Quality first
Mise en place d'un process qualité efficace et non-bloquant, tests d'UI, tests end-to-end

👨‍🎤Talent Acquisition
Mise en place d'un process de recrutement capable de vous faire accélérer, accompagnement/coaching de vos équipes tech pour faire passer des entretiens, mise en place d'un career path, etc...
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Nantes (up to 50km)

Experience

  • Swile
    Engineering Director - Swile App & Benefits
    BANKING AND INSURANCE
    November 2020 - December 2021 (1 year and 1 month)
    Nantes, France
    Senior Engineering Director de 2 tribes (~40 personnes): Swile App & Swile Benefits

    - Encadrement des managers (7 personnes, juniors & seniors)
    - Recrutement de managers et de développeurs front / back
    - Définition et suivi du process de roadmap
    - Suivi de la qualité (QA, métriques tech & business)
    - Mise en place de Guilds (communauté de bonnes pratiques)
    - Définition et mise en place d'un career path
    - Mise en place d'un comité de pilotage tech

    Réalisations:
    - Refonte complète de la gestion des sociétés clientes (réduction de la dette, modèle plus ouvert pour permettre l'ajout de nouvelles fonctionnalités/notions facilement) - 13K sociétés
    - Refonte du design des apps web & mobiles (500K users)
    - Customisation complète de la carte Swile (code PIN, couleur) dans l'app
    - Développement d'un framework de création d'avantages salariés
    - Migration de micro-services pour l'ouverture d'un nouveau pays
    - Refonte des cartes-cadeaux (business x10 YoY)
    - Recrutement de 20 personnes (devs et managers)
    Coaching Node.js Ruby on Rails PostgreSQL Scrum Application Mobile Kubernetes
  • Kapten (ex Chauffeur-Privé)
    Engineering Director
    TRANSPORTATION
    September 2016 - November 2020 (4 years and 2 months)
    92300 Levallois-Perret, France
    During 4 years, as the Engineering Director of the Supply Tribe, I built multiple teams shipping the best user experience for our customers on iOS, Android, Web by challenging our organization and our processes, and focusing on how to deliver business value every day. My main missions :
    - Define the feature roadmap at short / mid term with the product team
    - Challenge the product team to deliver the best User eXperience
    - Engage the supply managers and help them growing in their day to day management
    - Automatize our dev / test / delivery process as much as possible
    - Document, review, test and test and test and release the code
    - Challenge the devs to use the gold standard of development
    - Manage and develop a team of software engineers with various seniority levels (progression path, training, hiring, etc)
    - Apply and share best practices across the engineering team and the company as a whole
    - ...and also develop on Node.js, Python, Kotlin Environment :
    - Extremely competitive business
    - Very challenging architecture
    - Technical excellence, quality is mandatory
    - Scrum at is best (Certified Scrum Master) Stack : Microservices, Node.js, Python, Django, Go, Swift, Kotlin, MongoDB, Postgres, AMQP, Kubernetes and other cool technologies to build our amazing apps.
  • TOUCHANDPLAY SAS
    Chief Technology Officer
    July 2013 - September 2016 (3 years and 2 months)
    Île-de-France, France

    - Daily management of the technical team
    - Architecture lead of the product (iOS / Android / WebApp)
    - Lead architect of the platform
    - Improve build workflow (CI, unit tests, functional tests)
    - Consulting for our chain restaurant clients
    - Technical cost optimization

Reviews

5,0

Out of 1 rating

B

Benjamin

Back Market

Reviewed on 05/01/2023

We worked several months with Jerome who has been instrumental in the successful launch of Back Market Pro (dedicated B2B platform). Jerome helped to structure and lead QA for launch, automatize catalog import and build APIs for partners to access our catalog and store. It was a complete 360° mission. We were blessed to have Jérôme on board and we wish we can work again in the future. Beyond his technical skills, Jérôme brings an easy going attitude, always constructive. A true pleasure to work with We can only strongly and warmly recommend Jerome for future missions

Recommendations

FU
TM
FU
+1
Former user and 3 other people have recommended Jérôme

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Education

  • Management / Gestion de projet
    ITIN
    2005
    Management / Gestion de projet
  • BTS Informatique de Gestion
    ECE
    2003
    BTS Informatique de Gestion

Certifications

Skill set

Categories