Mohamed-Ali B.

Intervention within the IT Securitization department on the Calyx project, a strategic platform dedicated to managing securitization operations, monitoring credit portfolios, and producing regulatory reports (liquidity & credit).

Critical application with strong performance, traceability, and availability constraints.

Mission

Evolution, modernization, and support of the Calyx platform, developed in C# / WPF with Java services, within an Agile Scrum environment.

Participation in the progressive transformation from a legacy system to a distributed microservices architecture.

Area of intervention:

•Corrective and evolutionary maintenance of the C# / WPF application

•Implementation of new Credit & Liquidity reports

•Extraction, transformation, and integration of data for credit portfolio monitoring

•Integration of streams via Kafka and MQ Series

•Implementation of BDD (SpecFlow / Gherkin) and development of unit tests (NUnit, MS Test)

•Continuous quality improvement (SonarQube, code review, performance optimization)

•Production support L2/L3 and batch processing management (Control-M)

DevOps & Modernization:

•Setup and evolution of CI/CD (Jenkins → GitLab CI)

•Migration of a Kubernetes environment (KubeOne) to OpenShift

•Containerization with Docker and deployment via Helm & ArgoCD

•Artifact management (Nexus, Harbor) and secrets (Vault)

•Monitoring and log analysis via ELK (Elastic, Kibana)

Technical environment:

C#, .NET Framework 4.7, .NET Core, WPF, Java, Maven, REST, SOAP, Kafka, MQ Series, Sybase, PostgreSQL, NHibernate, SpecFlow, Gherkin, NUnit, MS Test, Git, GitLab CI, Jenkins, Nexus, SonarQube, Kubernetes, OpenShift, Docker, ArgoCD, Helm, Vault, Ansible, ELK (Elastic, Kibana), Grafana, Control-M, Scrum

Intervention within the Sophis Booking Equities team, responsible for Front Office trading applications and their integration with Middle/Back Office systems.

Mission

Design and development of real-time trading applications around the Sophis software package, in a context of IT system modernization and Cloud migration.

Area of intervention:

•Technical migration of applications to an internal Cloud infrastructure

•Refactoring of a monolithic legacy system into a microservices architecture

•Development of REST APIs for the creation and management of financial instruments

•Design and development of services around the RIMES API (repository management)

•Design and development of the Unik Gateway for enriching Front Office deals to Back Office (Summit Sec)

•Development of non-regression tests for streams to the Back Office

•Evolutionary maintenance of a thick client application (Booster) used by Front Office/Middle Office/Back Office teams

•Management and resolution of anomalies (JIRA)

•Deployment and monitoring of deliveries in testing, pre-production, and production

DevOps

• Management of continuous integration via Azure DevOps

• Management of continuous deployment via XLDeploy

Technical environment:

.NET Framework 4.8, .NET Core 3.1, C#, .NET 5, WinForms, Infragistics, WPF, WCF, MQ Series, Swagger, (PL/SQL), SQL Developer, Sophis 21.1, Visual Studio 2022, JIRA, GIT, Azure DevOps, XLDeploy, Confluence, Scrum

Evolutionary and corrective maintenance of the KLife application, a life insurance and retirement contract management platform (individual and collective), in the context of Natixis stream integration.

Critical application with strong data reliability and business compliance stakes.

Projects:

• System evolution for managing Natixis investment profiles

• Implementation of automatic arbitration following profile changes

• Integration of Natixis streams into the KLife IT system

• Integration of new partners

• Import and processing of operations from specific partner formats

• Generation and export of streams to partners (CNT, PENELOP formats…)

Area of intervention:

• Needs analysis, evolutions, and anomalies via JIRA

• Evolutionary and corrective maintenance in a production environment

• Development of new features in the KLife back-office

• Data processing, control, and reliability

• Business operation transcoding

• Data extraction and transfer via CFT to ETL tools (Talend, batchs)

• Design and development of HMIs for managing Natixis operations

• Implementation of unit tests (TDD) and development of test plans

Technical environment: C#, .NET 4.7, VB6, SQL Server 2012, T-SQL, Webservices, TDD, JIRA, TFS, Git, NHibernate, Bitbucket, Jenkins, …