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Mehdi OueldiMO

Mehdi Oueldi

Supermalter

🚀Fullstack .NET | React | Cloud Azure and AWS

€680/day
4 projects
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Mehdi

My professional experiences have allowed me to specialize in the development of robust and pragmatic solutions in various sectors of activity.

Throughout my career, I have had the opportunity to take on different levels of responsibility and work in various business contexts, from SMEs to large corporations, and I have also had the chance to work with software publishers.

My ability to listen, share, and adapt allows me to understand challenges and needs in order to propose effective and reliable solutions, solve problems, and provide advice.


Faced with complex issues combining technical and functional challenges, I have often been called upon as a privileged intermediary between project management and development.


Main technical stack:

C# .NET / ASP.NET / Cloud Azure | AWS
Typescript / React / Next.JS



Areas of intervention:

Project design and management
Fullstack development
Application architecture
Maintenance, optimization
Incident management
Technical migrations

Technical environment:
React, NextJS, React Native, NodeJs, Typescript
Microsoft .NET (Web API, Cloud Azure, AWS, Mobile)
SQL and NoSQL databases: MongoDB, CosmosDB, Azure table storage, dynamoDB, Redis, SqlServer, MySQL, PostgreSQL
Microservice, hexagonal, serverless architecture


Business context:
BtoB and BtoC
Mobility, Fintech, Finance and Insurance
Mutual insurance, Health, Provident
Digitalization (electronic signature, DMS)
HR and ERP solutions

Achievements:
Intranet, extranet for large accounts
Mobile applications (Ionic, React Native, Xamarin)
Cloud solutions (Azure, AWS)
Integration of third-party APIs or external systems
  • French

    Native or bilingual

  • English

    Fluent

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

Experience

  • TotalEnergies
    TechLead / Senior Developer C# .NET, React and NextJS, Cloud Azure, AWS
    ENERGY AND UTILITIES
    March 2020 - Today (6 years and 3 months)
    Paris, France
    Objective: build the new European API platform for managing electric vehicle fleets & EV charging stations (800,000 charging points, 2 million vehicles)

    Environment: .NET 6 micro-services, serverless (Azure Functions, AWS Lambda), Event Driven (Service Bus, Event Grid, EventBridge), GitHub Actions CI/CD, IaC (Bicep → CDK), full cloud Azure then AWS

    Role:

    Technical Lead: .NET / NextJS full stack architecture, code reviews, performance & cost optimization, reliability, good software engineering practices

    Co-construction of the product with POs & CTO: prioritization, functional scoping, architecture & operational documentation

    Industrialization: pipelines, CI/CD, automated integration tests, internal NuGet SDK, API conventions & versioning

    Key achievements:

    Common multi-tenant foundation: Distributed configuration, Storage/Queues abstractions, MongoDB access client

    RFID card ordering module (Azure Func/AWS Lambda): Thales orders, asynchronous SFTP monitoring, lifecycle webhooks, customization, Table/Blob storage

    NextJS Dashboard & React Native plugin (HERE) embedded in vehicle

    Incremental Azure → AWS migration: deployment strategy, dual RUN, data/service transfer, observability: monitoring, alerting
  • AGEAS France - Assurance Vie, Epargne, Retraite et PrĂ©voyance
    Technical Lead
    BANKING AND INSURANCE
    September 2014 - March 2020 (5 years and 6 months)
    La Défense, France
    Missions:Development, architecture, maintenance, and technical scoping


    Context: Life insurance business, B2B and B2C digital transformation
    Modernization of the IS architecture Achievements: Intranet, extranet, cloud, and mobile solutions Electronic signature
    Integration of a new DMS platform Integration of FINTECH solutions
    Mobile Application
    Technical context: Microsoft .Net, aspnet Core Front End: AngularJS and ReactJS Back End: SqlServer, EventStore, Azure PaaS Mobile: Hybrid, Android and IOS (Xamarin) Cloud Architecture: Azure DevOps and agile (Azure DevOps)
    Software Architecture C#
  • CAHPP - Centrale d'Achat de l'Hospitalisation PrivĂ© et Public
    Microsoft .NET Technical Lead
    October 2013 - September 2014 (11 months)
    Paris, France
    Project to redesign the billing system interfaced with SAGE. Design, .NET development, Typescript KnockoutJS Front-End

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Education

  • Computer Science Degree
    University of Picardie Jules Verne
    2000
  • Industrial Computer Science BTS
    Edouard Branly AMIENS
    1999

Certifications

  • MCTS 70-715
    Microsoft
    2013

Skill set

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