Freelancer profile translated to English.

Description

Senior Lead Developer .NET & Big Data

Software Architect and .NET Lead Developerwith in-depth expertise in Big Data and distributed architecture. With significant experience in complex environments (consulting, banking, fintech), I have led the design of critical solutions: mobile payment, fraud detection, high-performance systems.

Currently a freelance Lead Backend Developer, I support companies in their technical transformations by combining operational excellence and strategic vision.

🎯 Areas of Intervention

Technical Leadership

Technical direction and team management
Scalable solution architecture (microservices, event-driven)
Mentoring and skill development
DevOps strategy and continuous improvement

Project Support

Scoping and technical specifications
.NET Core / .NET 6+ architecture design
Legacy migration and modernization
Performance and scalability optimization

🚀 Key Expertise

Backend & API: .NET Architecture, REST/GraphQL API, SaaS, microservices

Data Engineering : Big data pipelines, Elastic Stack, NoSQL (MongoDB, Redis)

DevOps & Cloud : Azure DevOps, CI/CD, containerization

Frontend : Blazor, Vue.js

🛠️ Technical Stack

C#, ASP.NET Core • Blazor, Vue.js • SQL Server, PostgreSQL, MongoDB • Elasticsearch • Azure, Docker

💼 Added Value

✨ Business-aligned technical vision

✨ Banking & Fintech Expertise

✨ Balance of technical excellence / time-to-market

Looking for a Lead Developer to structure your team, architect a critical solution, or modernize your legacy systems?

📅 Available for Lead Dev / Dev / Architect .NET missions

Contact me to discuss your challenges.

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Remote only

Primarily works remotely

Custy
Full-Stack Lead Developer
SOFTWARE PUBLISHING
March 2025 - Today (1 year and 5 months)
Strasbourg, France
Full-Stack Lead Developer at Custy - Insurance Sector

Development of cross-functional solutions : implementation of MassTransit (distributed messaging), Vault (secrets management), log centralization, ELK stack
Multitenant architecture and event-driven communication between microservices
Support and skill development for cross-functional project teams
Standardization of technical and DevOps practices
.NET Masstransit Microservices Clean Architecture n8n
ISAGRI
.NET Full-Stack Consultant
SOFTWARE PUBLISHING
October 2022 - March 2025 (2 years and 4 months)
Beauvais, France
Development and improvement of cross-functional IT tools:

- Billing and purchasing systems
- Interconnection with FO (D365)
- Integration of external APIs
.NET ASP.NET Azure DevOps JavaScript Clean Architecture
Ambient IT
.NET Trainer
CONSULTING AND AUDITS
July 2022 - Today (4 years and 1 month)
I have supported several companies, including Crédit Mutuel, as an expert trainer in .NET and Clean Architecture. I trained internal teams on good software design practices to optimize application structure, enhance development quality, and improve project maintainability. These interventions helped establish sustainable and effective methods, fostering team skill development and the longevity of implemented solutions.
Clean Architecture Clean Code .NET Blazor Formation