Freelancer profile translated to English.
Back to original languageAbout Louis
Software Architect & IT Consultant – Structuring, Scalability, Product Vision
Do you have a strategic project to launch, modernize, or structure?
I work in environments with high technical and business stakes to transform a vision into a robust, scalable, and usable solution.
With over 15 years of experience, I support SMEs and large accounts throughout the application life cycle: framing, architecture, development, industrialization, and deployment.
Main Expertise:
- • Design of scalable software architectures (API, SaaS, microservices)
- • Development of custom applications (web, mobile, backend)
- • Redesign and modernization of existing systems
- • Technical audit and performance optimization
- • MCO and TMA
Beyond the technical aspects, I bring a product and commercial vision.
Founder of Y-NISSY CONCEPTION and creator of two SaaS solutions, I have the complete experience of building a product: architecture, offer structuring, positioning, and market launch.
I speak equally well with technical teams and business decision-makers.
My Approach:
Think about the architecture from the beginning to ensure performance, maintainability, and scalability, while integrating economic and operational challenges.
Objective:
Build solid, sustainable, and truly usable solutions for your organization.
Let's discuss your project.
French
Native or bilingual
English
Conversational
Remote only
Primarily works remotely
Experience
- NIBANN ENGINEERINGSoftware Architect & Tech LeadCIVIL ENGINEERINGMarch 2025 - Today (1 year and 5 months)Paris, France
Design of a SaaS platform (OVAPLAN)
As part of a service provided by Y-NISSY CONCEPTION, I assisted Nibann Engineering in the design, architecture, and development of its digital platform OVAPLAN, a SaaS solution dedicated to site monitoring and management.I held a transversal role as a software architect and tech lead, with the mission to structure the technical architecture, supervise developments, and ensure the overall coherence of the platform.The achievements carried out as part of this mission include:- Design and development of the Nibann Engineering showcase website
- Creation of the OVAPLAN product showcase website
- Architecture and development of the OVAPLAN web application
- Design and development of the OVAPLAN mobile application
- Implementation of the OVAPLAN SaaS platform for managing and monitoring construction sites via subscription
My main responsibilities:- Definition of the application architecture
- Technical project management
- Coordination of front-end and back-end developments
- Structuring of environments and development best practices
- Participation in the functional design of the platform
This mission is part of a logic of building a complete SaaS product, from institutional web presence to business applications used by field teams. - RATPAMOA / MOE – Tech LeadTRANSPORTATIONApril 2022 - Today (4 years and 4 months)Paris, FranceAs part of a service provided by Y-NISSY CONCEPTION, within a unit specializing in the management of schedules and traffic for the Paris metro.I hold a hybrid AMOA / MOE role with Tech Lead responsibility, working on several business applications used by operational teams.Main Responsibilities:Assistance to the project owner (AMOA)
- Analysis of business needs related to counting and cleaning management.
- Drafting of functional and technical specifications.
- Interface between business teams and development teams.
Project management (MOE)- Technical management of application evolutions.
- Coordination and monitoring of developments.
- Technical validation of implemented solutions.
Maintenance in operational condition (MCO)- Maintenance and evolution of existing web applications.
- Interventions on technical environments PHP, Java, and C++.
- Bug fixing, performance optimization, and continuous improvement.
Technical Management- Management and coaching of a small team of developers.
- Code review and technical support.
- Guarantee of application quality and reliability.
Technical EnvironmentPHP • Java • Business web applications • Application MCO • Rail transport / traffic environment. - Y-Nissy ConceptionSoftware Architect, Designer, Multimedia Application DeveloperCONSULTING AND AUDITSSeptember 2020 - Today (5 years and 11 months)Aulnay-sous-Bois, FranceY-NISSY CONCEPTION is a company specializing in the design, development, and optimization of digital solutions for businesses and organizations.Y-Nissy supports its clients at all stages of their digital projects, from needs analysis and architecture design to development, deployment, and application maintenance.Our areas of expertise include:Development of digital solutions
- Creation of professional websites (showcase sites, e-commerce platforms).
- Development of custom web and mobile applications.
- Design of SaaS solutions and business tools.
Software architecture and enterprise architecture- Design of robust, scalable, and secure software architectures.
- Definition of application architectures (microservices, API, cloud).
- Alignment of information systems with strategic business objectives.
- Support for technical teams and architecture governance.
Audit and consulting- Technical and functional audit of existing applications.
- Analysis of performance, code quality, and architecture.
- Strategic recommendations to improve the reliability, security, and scalability of solutions.
Application Maintenance Services (TMA)- Corrective and evolutionary maintenance of applications.
- Sustainability and continuous improvement of digital tools after their deployment.
- Performance monitoring and system optimization.
Implementation of collaborative tools- Deployment and configuration of collaboration and management tools.
- Implementation of solutions such as Nextcloud, Trello, Dolibarr, and other collaborative work platforms.
Thanks to its quality, performance, and agility-oriented approach, Y-NISSY CONCEPTION supports startups, businesses, and public organizations in the success of their digital projects.
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Education
- Multimedia Application DeveloperDoranco2011
- Professional Bachelor's Degree, specialization in Web Development, IS and MultimediaUniversity of Cergy Pontoise2014