Hedi Ben Ahmed

As a Full Stack engineer and Level 3 support, I am responsible for adding new features to the CASSIOPAE system, monitoring, supervising, and ensuring its performance and reliability. As Tech Lead, I support and mentor developers, ensuring adherence to code quality standards and timely delivery. Team Role: Squad (Spotify model) of 9 people (4 developers including 1 Tech Lead, 3 BAs, a Scope definition and technical architecture definition of the CASSIOPAE electronic invoicing solution in compliance with government regulations. Definition of the technical architecture of the data import solution (user interface and backend), in accordance with the overall architecture defined by the architects. Implementation of various APIs and batch jobs with the required security levels. Migration of certain applications to new CI/CD pipelines and increasing Sonar test coverage to 80% for certain applications. Migration of certain Java applications to Java 17 or 21 / Spring Boot 3. Technical supervision and support of the development team while following coding standards and ensuring the quality of code and deliverables, and code reviews. Participation in PI planning: proposing technical topics, T-Shirt Sizing, CAPEX study, presentations of topics/solutions to business stakeholders & managers. Planning Epics & Jira tickets for new topics validated during PI Planning while respecting defined scopes and deadlines. Implementation of monitoring systems for various backend components. Development of various POCs. Level 3 support for CASSIOPAE-related applications. Technical stack: Java 8 & 11 & 17 & 21, Spring Boot 2 & 3, Spring Batch, TypeScript, Oracle, PL/SQL, Docker, Kubernetes, Swagger, GitHub, Jenkins CI/CD, TDD, BDD & E2E tests, Jira, Scrum.

Participation in the design and implementation of an intelligent tire prediction solution (SmartPredictiveTires) and monitoring of Heavy Goods Vehicle fleets (Tacho).

My role: Tech lead & Senior JEE Developer

Team: International Squad (Spotify model) of 8 people (4 developers, 2 testers, a scrum master, and a PO).

Achievements:

Definition of the technical architecture for some Smart Tires back components, respecting the overall architecture defined by the architects.

Definition and deployment of AWS resources in a fully serverless architecture.

Implementation of various APIs and lambdas with all required security layers.

Implementation of numerous parts of the web UI.

Definition and implementation of a cross-functional generic reporting solution used by all applications on the platform.

Migration of some applications to new CI/CD pipelines and updating Sonar rules.

Migration of some Java applications to Java 17 / Springboot3.

Mentoring and technical support for a vendor team on the Tacho subject.

Assisting the team in resolving performance issues by proposing technical solutions.

Introducing the AWS Well-Architected Framework and proposing a beta version to the architects.

Implementation of a monitoring system for various backend components.

Carrying out various POCs for the implementation of a tool for tuning and optimizing AWS costs.

Performing E2E tests according to the BDD methodology, releases, production support, and code reviews.

Technical environment: Java 11 & 17, Spring Boot, Typescript, Vue.js, Terraform, AWS serverless, MongoDB, Docker, Swagger,

Google Analytics, Bitbucket, Jenkins CI/CD, E2E testing, Cucumber, Confluence, Jira, Scrum.