Cheikhouna Seck

Assignment within an international English-speaking environment for migrating a payment platform to a cloud microservices architecture (AWS).

Design and development of critical services for high-volume financial flows, with high reliability, security, and performance requirements. Integration of banking partners (Banking Circle, JPMorgan, ModulR) and automation of banking return processing.

Participation in architecture decisions, improvement of monitoring (Grafana, Kibana), and optimization of the CI/CD pipeline (TeamCity, Octopus).

🧩Techs: C#, .NET 6, ASP.NET Core, EF Core, DDD, CQRS, Clean Architecture, Hexagonal Architecture, Microservices, RabbitMQ, PostgreSQL, AWS, Docker, Grafana, Kibana, TeamCity, Octopus, GitLab, NUnit, NSubstitute, TDD, OpenTelemetry, Augment Code

Direct collaboration with front, middle, and back-office teams to design tailor-made solutions around structured products and market flows.

Participation in the redesign of the Winch application, including the Eonia → Ester migration, development of a portfolio risk simulator (Monte Carlo), and automatic generation of financial reports.

Contribution to the maintenance and evolution of the internal document management system, with SQL performance optimization and integration of DocuShares API.

🧩 Techs: C#, VB.NET, .NET Framework, WinForm, WebForm, SQL Server, DevExpress, TFS, DocuShares

Involvement within the Global Markets division on pricing and derivative rate product management applications in a demanding financial environment.

Participation in the modernization of the Multi Quotation Rate application, with development of key features (SUMMIT export, commercial presentations, quotation history) and performance improvements.

Lead developer role on the Manage FI project, overseeing the design and development of an application for configuring clients, vendors, and financial products, integrating authorizations, reporting, and fine-grained access management.

🧩 Techs: C#, .NET Core Web API, ASP.NET Core, Angular (7 to 9), Redux, Angular Material, TypeScript, SQL Server, WCF, Aspose, TFS, Azure DevOps, JWT, Bootstrap