Mohamed Trabelsi

Schneider Electric is a global specialist in energy management and industrial automation. Schneider Electric's solutions are present in over 100 countries.

Schneider Electric achieved a revenue of 28 billion euros in 2024 and holds 20,000 active or pending patents worldwide, investing approximately 5% of its annual revenue in research and development.

At Schneider Electric, I joined the team responsible for developing the runtime component of the EcoStruxure™ Automation Expert solution, which is used to control and automate discrete, hybrid, and continuous industrial processes.

My responsibilities:

– Design and development of a CPU affinity and isolation solution for real-time processes.

– Threat modeling associated with the solution's architecture based on the STRIDE model.

– Implementation of a communication module via Unix socket between the solution and containerized industrial applications.

– Implementation of unit tests using CppUnit for each component of the solution.

– Writing technical documentation: design diagrams, study of CPU isolation mechanisms on Linux, study of IPC (Inter-Process Communication) mechanisms.

– Participation in the planning, writing, and estimation of User Stories for each sprint.

Technical Context:

- Development in C++ on a Linux environment for various distributions (Ubuntu, Alpine Linux, etc.)

- Unit test development in CppUnit.

- Integration and maintenance of the EtherCAT protocol

- Inter-process communication via Unix socket.

- CPU affinity and isolation by manipulating cgroups on Linux

- Solution management on Azure DevOps

Amadeus is the world leader in travel distribution and sales. Amadeus' technology drives the travel industry forward worldwide.

At Amadeus, I first joined the CGI backend development team, which manages all guest/organization profiles for the end customers of major hotel groups such as IHG, Marriott, MGM...

Secondly, I joined the Rates & Shopping team, which is responsible for the backend managing pricing plans and offers available to end users on booking platforms.

Both CGI and Rates & Shopping backends are part of Amadeus' Hospitality department solution, deployed in most of the world's highest revenue-generating hotel chains.

The objective of my role is to:

- Actively participate in the design and development of new booking features at the property and hotel chain level.

- Implement unit tests and non-regression tests for each new development.

- Participate in the planning and estimation of tasks for each quarter during PI Planning, following the SAFe methodology.

- Write technical documentation (specifications/user guides) for the product's functional flows.

- Take responsibility for Sheriffing: investigating technical incidents impacting solution versions in test environments.

Technical Context:

- C++ backend development

- Unit test development in GTest

- Analysis and investigation of issues on Splunk

- Implementation of SQL queries to store data in an Oracle DB

- Version management on Bitbucket using Git.

Technologies and environments: Windows 10, Linux, C++, Python, GTEST, Jenkins, Splunk, Postman, SQL, Couchbase, Oracle Database, REST API, JSON, Bitbucket, Grafana, ReadyAPI, VSCode, JIRA, git.

Alta Voce is a startup specializing in voice technologies.

I joined the development team of the AltaCall project as the C++ Qt development lead for the client-side.

AltaCall is a solution that intercepts human voice to make it clearer and more pleasant by eliminating ambient sounds and background noise.

It is a product primarily dedicated to call center agents, guaranteeing up to +15% customer satisfaction: clear and natural conversations produce a better customer experience, with no listening effort.

The objective of my role is to:

- Design and develop features for audio stream manipulation, adaptation, and recording.

- Internationalize the client-side of the AltaCall solution.

- Implement a module for reporting telemetry and events to the server side.

- Maintain continuous integration and Gitlab CI/CD pipelines.

- Participate in the deployment of the AltaCall solution to clients.

Technical Context:

- Development of a C++/Qt application

- Monitoring of instances via Grafana and Sentry.

- Test automation via RobotFramework

- Version management on Gitlab using Git.

Technologies and environments: Windows 10, Linux, C/C++, Qt 5.15, Python, YML, CMake, Poco Library, Sentry, Robot framework, GitLab, Visual studio 2019/2022, Grafana, Powershell, Inno-Setup, Kubernetes, Docker, git.