Available for your next project: Alsace & remote across France

Ayyoub Fahmi · Freelance software engineer

Business applications that hold up in production, from the .NET back end to the Next.js front end.

For 7 years I have been designing and shipping robust applications for major accounts: Hager Group, Veolia, Euro-Information. From scoping to deployment, in Alsace or remote, on long-term assignments as well as fixed-price work.

C#.NETNext.jsAngularAzureAzure DevOps
Ayyoub Fahmi, freelance software engineer, .NET & Azure

Expertise

.NET & Next.js Development

Full-stack business applications: a C#/.NET back end proven in enterprise settings, at Hager Group as well as Euro-Information, and a Next.js front end proven on the SANFYTECH sites running in production.

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Azure Cloud & DevOps

Azure PaaS integration and industrialized delivery: Azure DevOps CI/CD pipelines and deployment automation, as done at Veolia on the Waterp ERP.

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Industry 4.0 & IoT

Software right where the machines are: connectivity, industrial data and cybersecurity on Hager Group's Industry 4.0 projects. A profile forged in industrial computing.

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Angular Web Apps

Angular web interfaces backed by .NET back ends: one year at Veolia on billing and collections for Veolia Water, with a team split between France and Morocco.

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7 years
of software engineering, from design to production
5
major accounts served: Hager Group, Veolia, Crédit Mutuel and more
4 years
of renewed trust on a single assignment (Crédit Mutuel)
6 countries
international teams, from France to China
Hager GroupVeoliaEuro-Information · Crédit Mutuel groupCapgeminiAFI ESCANRJ Mobile
Career at a glance

They put their trust in me

Hager Group, Veolia, Euro-Information: long assignments, renewed year after year, the best proof of trust there is.

February 2025 - present

Hager Group

Software Engineer

Full-stack developer on industrial projects (Industry 4.0, machine connectivity, cybersecurity): from design to deployment, across the entire software lifecycle.

March 2024 - February 2025

Veolia

.NET / Angular Consultant

Assignment on Waterp, the ERP behind Veolia Water's customer management: billing and collections, plus technical operations (quotes, works, field interventions).

February 2020 - March 2024

Euro-Information

.NET Analyst Developer (Consultant)

Analyst developer for EIT: analysis, monitoring and full-stack development on telecom billing applications.

Tech stack

My toolbox

No made-up percentages: the technologies I actually use on assignments, grouped by domain.

.NET back end

C#.NETASP.NET CoreWeb APISOAP

Front end

Next.jsReactAngularAngularJSHTML/CSSTypeScript

Cloud & DevOps

Azure App ServiceAzure CosmosDBAzure IoT HubAzure FunctionsAzure Cache RedisRabbitMQAzure DevOpsCI/CDGit

Data

SQL ServerOracleMongoDBCosmosDBSQLiteLiquibase

Quality & testing

SonarCloudJMeterGrafanaIntegration testing

Embedded & IoT

CC++Java/AndroidSensors & IoTRobotics
Ayyoub Fahmi at his desk, with the SANFYTECH site on screen
Tech studio · sovereign infrastructure

Co-founder of SANFYTECH

I co-founded SANFYTECH: a studio that designs, hosts and operates your applications on sovereign infrastructure, in France. Development, hosting, maintenance: your project is taken care of end to end.

Frequently asked questions

Your questions

Assignments, how I work, SANFYTECH: answers to the questions I get asked most often.

What kind of assignments do you take on?

Do you work alone or as part of a team?

What sets you apart from a typical web developer?

How are you connected to SANFYTECH?

How does an assignment get started?

Have a project in mind? Let’s talk.

A free, no-commitment first call to scope your needs, a clear proposal (scope, duration, terms) and a response within 24 business hours.