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Jacques Michel AdebayoJM

Jacques Michel Adebayo

FullStack Developer

€500/day
Niort, FR
3-7 years
Java
Spring
JavaScript
React
TypeScript

Average response time: 1 hour

Freelancer profile translated to English.
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About Jacques Michel

Fullstack Web & Mobile Developer with over 5 years of experience in developing web and mobile applications for startups, local authorities, and public institutions. Specializing in the design and implementation of complete solutions: from backend (Java / Spring Boot / Laravel / REST API) to modern frontend (React, Flutter, TypeScript), including MySQL database management and VPS deployment.

Expert in application redesign, technical stack migration, and performance optimization, I have led several complex projects including business workflows, microservices, process automation, and cross-platform applications. Proven experience in transport applications, citizen participation, administrative management, and digital education, with a product-oriented approach, unit testing, continuous integration, and user support.

Autonomous and versatile, I master the entire project cycle: needs analysis, design, development, deployment, maintenance, and user training, while applying best practices of clean architecture, modularity, and scalability. Passionate about digital innovation and the creation of robust solutions, I can be involved in pure development missions, technical redesigns, or technical consulting for architecture and business workflows.

Main tech stack: React 18, Flutter, Laravel, Java / Spring Boot / Spring MVC, Kotlin, TypeScript, JavaScript, MySQL, REST API, Git, Postman, Android SDK, Bootstrap
Insurance
Banking and Financial Services
Rail and Public transport

  • French

    Native or bilingual

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

Experience

  • MUTAVIE
    Fullstack Web Developer
    BANKING AND INSURANCE
    December 2024 - Today (1 year and 8 months)
    Niort, France
    **Context**: The service is provided within the DSIM, in the BO Squad, and focuses on the evolution of applications, primarily the tool dedicated to managers.



    **Main interventions**:
    • Development of the claims process – inheritance files (member death)
    • Design and implementation of a complex business workflow via BPMN to automate the processing of member files
    • Development of REST APIs (Spring Boot) to orchestrate the process steps and expose data to the front screens.
    • Management of sequential and parallel steps, error recovery, and complex business rules.
    • Development of tracking and processing screens for managers.
    • Refactoring of business logic by breaking it down into modular components, with the implementation of an architecture that easily manages different types of processing, improving readability, maintainability, and scalability.
    • Implementation of unit and integration tests.
    • Evolutionary maintenance and bug fixing
    • Detailed technical design of the Bank Details Management project
    • Identification and presentation of actions to be taken on the various impacted components (API, Database, Modeling, Application) by the project
    • Support for the team


    **Technical environment**: BPMN Itesoft, Java 8 & 11, Spring MVC, JavaScript, Oracle, REST API, GitLab, Jenkins, SonarQube, SVN
    JavaScript Spring BPMN Java Oracle
  • MAIF
    Fullstack Web Developer
    BANKING AND INSURANCE
    September 2022 - December 2024 (2 years and 3 months)
    Niort, France
    Mission: Fullstack Developer (React / Java)

    **Context**: Intervention within the Digital Factory on the evolution and maintenance of the housing journeys on the maif.fr website. Work within the Housing & Property squad (15 people) on several home insurance subscription journeys.



    **Main achievements**:
    • Migration of the subscription process for AHA and APB journeys to Spring WebFlux to improve service responsiveness and scalability.
    • Implementation of WebClient builders for HTTP calls and securing backend-backend communications via API Keys.
    • Progressive decommissioning of an old microservice.
    • Refactoring of the frontend with migration from class components to functional components and replacement of Redux HOCs with hooks.
    • Migration of JavaScript code to TypeScript.
    • Migration of Enzyme tests to React Testing Library.
    • Migration of React Router v5 to v6.
    • Migration of the Create React App project to Vite to improve build performance and developer experience.
    • Implementation of React Query to optimize data state and cache management.
    **Projects**:
    • Young Home Insurance (AHJ) Migration
    • Complete migration of the journey to a new technical stack and a new design. Backend and frontend development as well as writing unit tests for endpoints and components.
    • Maintenance and evolution of AHA and APB journeys
    • Bug fixing, adding new features, and reducing technical debt on Home Insurance and Landlord Insurance journeys.
    • Redesign of the NOR journey with migration to a modern architecture and improved code maintainability.


    **Technical environment**:

    Microservices architecture, Java 11/17, Spring MVC / WebFlux, React 18, TypeScript, REST API, Git, Postman, React Testing Library.
    Application of clean architecture principles on the front end.
    React Spring Clean Architecture TypeScript Java
  • BLOLAB
    Fullstack Web and Mobile Developer
    DIGITAL AND IT
    June 2017 - August 2022 (5 years and 2 months)
    Cotonou, Benin
    Mission: Fullstack Web & Mobile Developer

    **Context**: Participation in the development of several web and mobile applications for companies, local authorities, and public institutions in the fields of transport, citizen participation, education, and the environment.



    **Achievements**:


    • Analysis of functional requirements and writing of specifications
    • Design and modeling of databases
    • Development of REST APIs and web and mobile interfaces
    • Deployment and configuration of server environments (Docker, VPS, Apache, SSH)
    • Planning management, user training, and technical support


    **Main projects**:


    Nonvi Voyage Plus – Transport Company:
    Web and mobile platform for bus ticket booking with a sales management system and back-office. API and back-office development and deployment on VPS.

    e.PACT / SPAIC / Commune229
    Citizen participation applications for managing citizen complaints and tracking municipal activities.

    Map & Jerry (Project with the French Research Institute for Development)
    Mapping and waste tracking applications using geolocation services.

    **Technical environment**:

    React, Flutter, Laravel, Java, Kotlin, JavaScript, REST API, MySQL, Git, Postman, Android SDK, Bootstrap, OpenStreetMap, WordPress, Moodle.
    Java React JavaScript Database Kotlin

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Education

  • Engineer in Management Information Technology
    National School of Applied Economics and Management (ENEAM/ UAC)
    2017
    Ingénieur en Informatique de Gestion

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