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Ayoub KalacheAK

Ayoub Kalache

Fullstack .NET Azure Engineer | AI Integration

€600/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Ayoub

Fullstack .NET Azure Engineer with 9 years of experience, I develop complex applications, from backend to user interface, including the integration of generative AI in companies.

→ Design and development of scalable .NET Core / ASP.NET APIs in Clean Architecture
→ Angular and React frontend development (SPA, dashboards, business portals)
→ Azure OpenAI & RAG Integration (Semantic Kernel, Azure AI Search)
→ Intelligent chatbots connected to business knowledge bases
→ Modernization of legacy applications and Azure cloud migration

Experience :
VINCI, Ayvens (ALD Automotive), Total, Thermo Fisher Scientific, Essilor, BMW

Technical Stack :
C# · .NET 8/9/10 · Angular · React · TypeScript · Azure · SQL Server · PostgreSQL · Docker · Clean Architecture
  • English

    Native or bilingual

  • French

    Native or bilingual

Can work on-site
Paris (up to 10km), Chatou (up to 15km)

Experience

  • VINCI
    Software Engineer .NET/Angular
    CIVIL ENGINEERING
    August 2025 - Today (1 year)
    Nanterre, France
    Evolution and maintenance of a web application for administrative management of construction site electrical meters for VINCI entities.
    • Feature development: Implementation of an enterprise restriction system limiting access to certain types of requests, generation of supplier links with expiration management, implementation of new workflows for meters.
    • Production support and debugging: Investigation of critical bugs, correction of business anomalies, rapid adaptation to last-minute requests from entities.
    C#, .NET 8, ASP.NET Core Web API, Angular, Dapper, AutoMapper, Hangfire, Kendo UI, SQL Server, Clean Architecture
    C# .NET 8 Angular Dapper Kendo UI
  • AYVENS
    Software Engineer
    AUTOMOBILE
    June 2022 - January 2025 (2 years and 7 months)
    Île-de-France, France
    Contribution to the development of Carmarket features.
    Critical analysis of functional requirements proposed by the Product Owner.
    Proposal of adapted technical solutions based on architectural documentation.
    Participation in Scrum Backlog Refinement sessions to estimate the workload of User Stories.
    Level 3 support for the Carmarket application.
    Writing documentation and creating dashboards for monitoring production features.
    Implementation & architecture of solutions for projects: KYC, Divested Countries, Drivalia, Leasys: Creation of a "white label" for the Norwegian and Portuguese subsidiaries & decommissioning of countries.
    C#, ASP.NET, ReactJS, Redis, Azure DevOps
    C# ASP.NET MVC React.js Redis Azure DevOps
  • Thermo Fisher Scientific
    Software Engineer - Web Developer
    TECH
    July 2021 - May 2022 (10 months)
    Bordeaux, France
    Software solution for managing the acquisition, processing, storage, and display of data from specialized microscopes for scientific research.

    - Feature development: Design and development of robust and maintainable REST APIs.
    - Functional analysis: Collaboration with the Product Owner to translate business needs into technical solutions.
    - Quality: Writing automated tests (TDD, BDD, SpecFlow).
    - Methodology: Participation in Scrum Backlog Refinement sessions for User Story estimation.

    C#, .NET Core, REST API, PostgreSQL, Angular 12, Docker, SpecFlow, Visual Studio 2019/2022
    C# PostgreSQL Angular 12 ASP.NET Core Docker

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Education

  • Engineer
    ESILV
    2016
    Diplôme d'Ingénieur spécialisé en Informatique et Science du Numériques

Skill set

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