Freelancer profile translated to English.
Back to original languageAbout Numen
Software engineer specializing in system integration and API-led connectivity, with a strong background in Mulesoft (Anypoint Platform, Dataweave), contract-first design (OAS/Swagger/RAML), and Process API orchestration. Accustomed to agile and international environments, I combine product sense and technical rigor with a strong interest in DDD / API-as-a-Product approaches to align application architecture with the business domain.
French
Native or bilingual
English
Conversational
Can work on-site
Paris (up to 30km)
Experience
- EDENREDSoftware EngineerBANKING AND INSURANCEDecember 2023 - Today (2 years and 6 months)Issy-les-Moulineaux, France**Context**: User & Transactions team responsible for consistency and interoperability between Merchant teams' APIs and the various Business Units' back-ends, following an API-led approach.**Responsibilities**:
- Design and implementation of Process APIs (orchestration, integration of System APIs / back-ends)
- Writing/maintenance of interface contracts (OAS), standardization, and governance
- Contribution to best practices (versioning, quality, security) and support for development teams
- Agile work (2-week sprints) in an international context
Key Projects- 3D-Secure API (Apr. 2025 – Jul. 2025): Strong authentication and transactional authorization (callback URL, interaction with IdP).
- User Repository/User Domain (Dec. 2025 – Present): Contribution to the implementation of a central repository to improve the unification and exploitability of customer data with the DDD approach.
Stack: MuleSoft Anypoint Platform, DataWeave, OAS, Azure DevOps, YAML - Generali FranceSoftware EngineerBANKING AND INSURANCENovember 2022 - December 2023 (1 year and 2 months)Paris, France**Context**: New Machine Breakdown (BDM) subscription process: risk management, guarantees/options, contract issuance, and management.**Achievements**:
- Design of interface contracts (OAS/RAML), aligned with ACORD
- Facilitation of workshops and support for developers on implementation
- Coordination with stakeholders (business/technical) in Agile mode
Stack: OAS, RAML, YAML, JSON, Postman, MuleSoft Anypoint Platform, DataWeave, JIRA - BNP Paribas CardifAPI Designer - Consultant DevoteamBANKING AND INSURANCEJuly 2021 - October 2022 (1 year and 3 months)92000 Nanterre, FranceIn order to improve customer experience, BNP Cardif is committed to API-fying the customer journey for Borrowers' Insurance (ADE) and Individual Contingency (PI). The goal is to enhance user experience in accessing subscribed insurance products, and also to enable Cardif to interface its products with distributors other than BCEF. Tasks performed include:
- Gathering and analyzing needs from Business Analysts
- Writing interface contracts with the OAS standard
- Setting up mapping files
- Writing technical documentation in accordance with business needs
- Facilitating workshops with stakeholders (consumers on one hand, developers on the other)
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Education
- Engineering Degree, Telecommunications and NetworksSup Galilée2019Diplôme d'ingénieur, Télécommunications et Réseaux
- Bachelor of EngineeringEcole Nationale Supérieure des Postes et Télécommunications2015Bachelor's degree, Telecommunications Engineering