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Mehdi Ben HmidaMB

Mehdi Ben Hmida

Enterprise Architect

€990/day
Paris, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Mehdi

Enterprise Architect with over 20 years of experience in digital transformation and information systems urbanization in the banking, payment, and energy sectors. Expertise in defining roadmaps, process and micro-services architecture modeling, as well as managing strategic projects and architecture teams. Recognized for interpersonal skills, pedagogical abilities, and the capacity to balance strategic vision with operational pragmatism.

Key Skills

  • Business : Banking (digital, KYC, SWIFT, PSD2), Payments (4-party, 3-party), Energy (networks, meters)
  • Enterprise Architecture : Roadmaps, strategic studies, IS urbanization
  • Technical Architecture : Micro-services, REST, Kafka, Cloud (GCP, AWS), Mainframe, Big Data
  • Management : Team leadership, project coordination
  • Regulatory : GDPR, KYC, PSD2, MiFID2, EMIR

Key Achievements

  • Scoping the redesign of BforBank's digital IS, with migration of 100% of services to a Kafka asynchronous architecture on GCP cloud, for ~300K customers.
  • Urbanization of Crédit Agricole Technologies et Services' IS, with the creation of ~15 digitized banking products and definition of 3-year modernization roadmaps, improving the customer experience for ~24 million users.
  • Design of Edenred France's digital transitionto the Ticket Restaurant card, used by ~2 million employees, with definition of the 3-year IS roadmap and implementation of the architecture framework under Enterprise Architect, adopted by ~12 teams.
  • Scoping the redesign of GRDF's IS(Mainframe)into a modular IS, with ~20 new business applications, used by ~5000 field agents serving ~11 million customers.
  • Management of ~480 project/architecture committees for GRTgaz, orchestrating the decoupling of their IS from GDF Suez's.







  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Paris (up to 50km)

Experience

  • BforBank
    Enterprise Architect
    BANKING AND INSURANCE
    October 2022 - Today (3 years and 8 months)
    Puteaux, France
    Challenge : Complete redesign of the digital IS to launch a new innovative banking offer.

    Achievements
    ● Definition of a target architecture based on microservices, Kafka, and GCP cloud.
    ● Support for product squads in KYC, customer relations, middle-office, and banking operations.
    ● Participation in CRM and CCaaS solution tenders.
    ● Creation of business and application maps.
    ● Support for PMs/POs and tech leads for customer journeys.

    Results
    ● Complete migration to a modern asynchronous architecture.
    ● Improved performance and customer experience (~300K customers).
    ● Strategic alignment of the IS with agility and innovation goals.

    Technologies & tools : React, Node.js, Swift, Kotlin, Kafka, GCP, Odigo, Google Dialogflow, Vertex AI, Gemini, Atlassian (Jira, Confluence), Draw.io
    Architecture IS Architecture Software Architecture Enterprise Architecture
  • Crédit Agricole Technologies et Services
    Enterprise Architect
    BANKING AND INSURANCE
    October 2019 - October 2022 (3 years)
    Paris, France
    Challenge : Large-scale agile transformation to modernize digital banking services.

    Achievements
    ● Urbanization of business domains (international, markets, cash management).
    ● Scoping and modeling of digital products with a 3-year roadmap.
    ● Coordination of cloud, CI/CD, and DevOps initiatives.
    ● Integration of SSO, customer portal, 360-degree view.

    Results
    ● 15 digitized banking products put into production.
    ● Improved experience for ~24M users.
    ● Enhanced regulatory compliance: MiFID2, EMIR, GDPR, PSD2.

    Technologies & tools : Angular, Node.js, Micro-services, API Management, Kafka, MQ, AWS, Kubernetes, Hortonworks, Cloudera, IBM Z (Mainframe), COBOL
    Enterprise Architecture IS Architecture Architecture Software Architecture IS Roadmap
  • GRDF
    Enterprise Architect
    ENERGY AND UTILITIES
    January 2018 - October 2019 (1 year and 9 months)
    Paris, France
    Challenge : IS redesign for strategic separation from EDF.

    Achievements
    ● IS urbanization studies and scoping of 20 business applications.
    ● Facilitation of workshops with business and urban planning teams.
    ● Customer and Meter repositories modeled.
    ● Maintenance of the enterprise architecture repository.

    Results
    ● Modular IS for ~5000 field agents and 11M GAS customers.
    ● Elimination of dependency on EDF's legacy IS.
    ● Structuring of foundations for autonomous transformation.

    Technologies & tools : Micro-services, API Management, REST, ESB, ELK, Confluence, COBOL
    Enterprise Architecture IS Architecture Architecture Software Architecture

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Education

  • Master in Computer Science and Intelligent Systems
    Université Paris-Dauphine
    2004
  • Engineering Diploma in Computer Science
    ENSI
    2003

Skill set

Categories

  • Other