Freelancer profile translated to English.

Description

Senior C# developer with over 20 years of experience in critical finance systems. Strong backend and application performance expertise. I am evolving my expertise towards data-driven applications: OpenAI API integration, intelligent automation, optimization, and a pragmatic approach to AI in business for operational use and production.

Languages

French
Native or bilingual
English
Conversational
Portuguese
Native or bilingual

Workplace preferences

Can work on-site

Paris (up to 50km)

Alegria.Academy
Training
EDUCATION AND E-LEARNING
November 2025 - March 2026 (4 months)
Paris, France
Make Certifications: Foundation, Basics, and Intermediate
OpenAI APIs
AI Workflow
Autonomous AI Agents
Data, AI & NoCode Tools: Softr, Airtable, Make, Jotform, ChatBase, OpenAI, Python
Project: Development of a condominium management application for the general public
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Artificial Intelligence Make Automation Figma ChatGPT Python
Edmond de ROTHSCHILD
C# Developer
BANKING AND INSURANCE
September 2021 - November 2025 (4 years and 2 months)
Paris, France
Core Banking Project
Development of the "centralization" software component, which minimizes the number of UCITS orders by aggregating them according to specific criteria.
Participation in software architecture and optimization of flows (IBM MQ).
Various technical interventions on business data and web tools for users.
OMS Project
Development of an application overlay for the OMS (Minerva) when it is in degraded or dysfunctional mode, allowing the trading floor to continue working without the OMS.
This application aims to memorize traders' work until the OMS is back to normal.
Client/server type multi-user WCF application developed in "wsDualHttpBinding".
Graphical interface developed in WPF. Definition of the software architecture and communication APIs between the server and clients, and between the server and databases using REST. Implementation of TDD with MsTest, NFluent, and NSubstitute.
Application profiling with Performance Profiler and BenchmarkDotNet.

DevOps

TFS abandoned in favor of GIT with partial history migration.
Training for developers and technical managers.
Implementation of merge, code review, and branch naming methods.
Development of Release pipelines:
Windows Services
Website
WCF Services
ASP.NET Core Minimal API REST Services
Deployment of binaries and SQL scripts on infrastructure based in Switzerland from our French Azure server. NuGet publication in the "Artifacts" module of Azure. Python scripting.
Creation of a SQL Server database update solution ("dacpac").

Technical Stack:C#, SQL Server, Design Patterns, SOLID, .NET Framework 4.8, .NET Core 6, ASP.NET Core, VS2022, Git, MSTest, NFluent, NSubstitute, Docker, Python, WCF, REST (Minimal APIs), SonarQube, IBM MQ, Performance Profiler
REST APIs Database Management C# SOLID ASP.NET Core
CACIB
C# Developer
BANKING AND INSURANCE
September 2018 - July 2021 (2 years and 10 months)
Montrouge, France
FRTB Project
within the "CMI Equity Risks" team, financial risk monitoring.
Decommissioning of the C++ Riskshaker application (sensitivity and VaR calculation) in favor of a new C# Risktool application:

Management and improvement of legacy code (performance, memory consumption, logging, configuration, etc…)
Risktool Batch - StressCurvature & Correlation (new sensitivity calculation processes):
Price shocks or correlation matrix consolidation
Calling pricing APIs hosted on a Datasynapse compute grid
TDD development, emergent design
Reverse engineering
Addition of calculation pillars
Risktool GUI: addition of new pricing functionalities (shock delegation)
Search for new optimizations, analysis of application behavior
Raising team awareness on TDD
Grid Computing
Performance analysis with Performance Profiler

Functional: Sophis and pricing
Technical Stack: C#, Oracle, Design Patterns, SOLID, .NET Framework 4.5, VS 2019, Datasynapse, Git
SOLID C# Performance Optimization .NET Core SQL Server