Mickaël Duruisseau

CTO as a Service

Salaire / Taux journalier

Lille, France

Freelance

Peut venir sur site

Expertises

Développement FullstackIADevOpsCTOSupabasePostgreSQLDéveloppement MobileLLMs / Large language modelsMicroservicesJavascriptNodeAngularRedisCSSFlutterC#JavaAzureMongoDBBase de données SQLDart.NETPythonPostmanSwagger/OpenAPIClean ArchitectureOVHcloudPrometheusTech LeadSpring BootGoogle Cloud PlatformKubernetesGitCypressDéveloppeur MobileFirebaseDockerIngénieur DevOpsGraphQLGitLabTypescriptGrafanaGradleMavenDéveloppeur FullstackTerraformHTMLRabbitMQ

Langues

Français (Maternelle)Anglais (Courant)

À propos

Introduction

CTO with PhD in Computer Science and 6+ years leading technical teams in SaaS environments. Led complete mobile migration to Flutter and backend overhaul to Java Spring Boot, managing teams of 4-8 developers while driving AI innovation and scalable architecture on Azure/OVH. Specialized in technical strategy, CI/CD automation, and bridging product vision with robust engineering execution for high-growth platforms.

Liens

Expérience de travail

Fractional CTO & DevOps | Founder

SystMDFreelance

mai 2026 - Présent

6 mois

Lille, France

Founder & Fractional CTO. Following 7 years as Lead Engineer and CTO in the B2B SaaS industry, I support startups and SMEs by aligning their technology strategy with business goals and driving technical execution. 🎯 Key Missions: - Fractional CTO & Strategy: Aligning technical choices with business goals, auditing software architecture, managing technical debt, and structuring engineering teams. - Architecture & Scalability: Designing scalable backend architectures, handling complex algorithmic challenges, and securing critical production environments. - DevOps & Cloud: Automating CI/CD deployment pipelines (Infrastructure as Code) and optimizing Cloud infrastructure costs (FinOps). - AI & Innovation: Evaluating generative AI use cases, designing data architectures, and implementing applied AI solutions. 🛠 Stacks: - Backend & Core: Java (Spring Boot), C# (.NET Core), Node.js, ... - Frontend & Mobile: TypeScript (Angular, React), Dart (Flutter), ... - Ops & Cloud: Docker, Terraform, CI/CD, Azure, OVH, Supabase, PostgreSQL, ...

MOFFI

sept. 2018 - Présent

8 ans 2 mois

Lille, France

Chief Technical Officer

févr. 2022 - Présent

4 ans 9 mois

Lille, France

Member of the Executive Committee (CODIR), I lead the technological strategy to align technical innovation with the group's business and product objectives. 🎯 Key Missions: - Management: Leadership of a team of 4 to 8 developers, recruitment, and structuring of the technical team. - Product roadmap: Technical arbitration and priority management in close collaboration with the Product Owner. - Architecture & scalability: Design and maintenance of a solid infrastructure with the necessary rigor to support scaling, including the automation of CI/CD processes. - Quality & security: Ensuring the robustness of SaaS platforms and implementing proactive production monitoring. - Innovation: Leading AI projects and continuous optimization of development methods. 🛠 Stacks: - Environment 1: Java (Spring Boot), Angular, Flutter on OVH. - Environment 2: C# (.NET Core), Angular on Azure (SQL, App Services).

Lead Software Engineer

déc. 2020 - mars 2022

1 an 4 mois

Lille, France

Acting as a bridge between the technical and product teams, I structured development methodologies while leading a major overhaul of the mobile ecosystem. 🎯 Key Missions: - Management & Mentoring: Leadership of 5 developers, implementation of systematic code reviews, and performance tracking. - Mobile Overhaul: Steering the migration from native applications (iOS/Android) to a single Flutter codebase to optimize maintenance. - DevOps & Scalability: Automation of deployments through CI/CD pipelines and preparing the API for increased traffic. - Product Analysis: Translating functional specifications into precise technical tasks with the rigor required for seamless execution. 🛠 Stacks: - Flutter, Java, Swift, CI/CD.

Full Stack Engineer

sept. 2018 - déc. 2020

2 ans 4 mois

Mexico, District fédéral, Mexique

Initially recruited for my mobile expertise, I quickly expanded my scope to stabilize and structure the technical foundation of the backend. 🎯 Key Missions: - Backend Overhaul: Design and complete migration of the API (originally Node.js) to a Java Spring Boot architecture to ensure platform stability. - Web & Mobile Development: Evolving maintenance of the Angular web application and native mobile apps in Swift (iOS) and Java (Android). - Technical Structuring: Establishing a robust foundation that laid the groundwork for the product's future growth. - R&D Rigor: Applying a rigorous approach to solving complex technical issues from the design phase onward. 🛠 Stacks: - Java (Spring Boot), Node.js, Angular, Swift, Java (Android).

Université de Lille - sciences et technologies

déc. 2014 - juil. 2019

4 ans 8 mois

On-site

PHD Student

déc. 2014 - juil. 2019

4 ans 8 mois

On-site

Conducted a PhD in Computer Science at the CRIStAL laboratory (Lille) in collaboration with CEA Saclay , focusing on improving software program comprehension through new interaction techniques. 🎯 Key Missions: - Research & Development: Design and development of VisUML, a live and interactive UML visualization tool to assist developers during programming tasks. - Publication & Communication: Writing and presenting international research papers on software interaction and program comprehension. - Teaching Assistant: Supervising computer science tutorials and labs for students at the University of Lille (8 months). 🛠 Expertise: - Software Engineering, Data Visualization, Human-Computer Interaction (HCI), UML Modeling.

Teaching Assistant

déc. 2017 - juil. 2018

8 mois

Mexico, District fédéral, Mexique

PHD Student

CEA - Commissariat à l'énergie atomique et aux énergies alternatives

déc. 2014 - déc. 2017

3 ans 1 mois

CEA Saclay / CRIStAL (Lille 1)

Improvement of software development activity by new techniques of interaction

Intern

Inria

mars 2014 - août 2014

6 mois

Mexico, District fédéral, Mexique

Real-time road-maps inference using smartphones

Intern

SNCF Développement

avr. 2012 - juil. 2012

4 mois

08000 Charleville-Mézières, France

C# / .NET application, inventory of equipments of the station. Fat & thin client, database synchronization, ...

Intern

Centre Hospitalier Belair

avr. 2011 - juil. 2011

4 mois

08000 Charleville-Mézières, France

Web application - Calendar & Working time PHP, HTML, CSS, JavaScript, Ajax, LDAP & DB SQLServer


Formation

University of Lille 1 Sciences and Technology

PHD, Computer Science

2015 - 2019

4 ans 1 mois

University of Lille 1 Sciences and Technology

Master's Degree, Computer Science

2012 - 2014

2 ans 1 mois

University of Lille 1 Sciences and Technology

Licentiate degree, Computer Science

2011 - 2012

1 an 1 mois

Université de Reims Champagne-Ardenne

D.U.T., Computer Science

2009 - 2011

2 ans 1 mois

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