Johann H.

In close collaboration with Vallourec's teams in Brazil, I am responsible for the design and development of cutting-edge technological solutions for international pipeline management projects.

Design and development of a robust web platform for pipeline data management. This platform allows Vallourec's teams to monitor the status of their pipelines in real-time, identify potential issues, and make informed decisions to optimize their operations.

Implementation of a scalable and secure cloud architecture to support the web platform. This architecture allows the platform to adapt to Vallourec's future growth needs and protect the company's sensitive data.

Development of intuitive and user-friendly interfaces to facilitate the use of the web platform by Vallourec's teams.

Close collaboration with Vallourec's teams in Brazil to understand their needs and ensure project success.

Technical Environment:

AWS EKS, Kubernetes, Rancher, Helm, Terraform, Typescript, NestJs, React, Angular, NxJs, DevOps, CI/CD

SACEM (Society of Authors, Composers and Music Publishers) is the global leader in collective copyright management. This non-profit organization represents over 196,700 music creators and publishers from 174 nationalities, protecting and valuing an impressive repertoire of 153 million works in service of cultural diversity and artistic innovation.

- Led the development of new online membership journeys, contributing to a 500% increase in new SACEM members in less than a year through the ADELI project.

- Dynamically created AWS Lambda microservices using Python and Nodejs, significantly increasing operational efficiency.

- Strategically reviewed and updated client administration tools to optimize user engagement and satisfaction.

- Implemented continuous integration and deployment pipelines (Terraform, Gitlab, AWS), improving system performance and deployment speed.

- Initiated and established cross-functional development best practices for multiple projects, enhancing code quality and team collaboration.

- Key collaboration within a SAFe Agile ecosystem, fostering rapid iteration and team objective alignment.

- Wrote unit and functional tests to ensure the reliability and robustness of delivered software.

Technical Environment:

React, Node.js, Typescript, Python, Java, Spring, Swagger, PostgreSQL, AWS, REST API, Terraform, Gitlab CI, Docker, AWS Lambda, AWS API Gateway, AWS RDS, AWS S3, TDD, DevOps

Sysdream is a leading cybersecurity company specializing in training, auditing, and consulting, offering innovative solutions to enhance information system security. It organizes large-scale cyber-training events, creating a realistic and engaging environment to help organizations understand and prepare for the most relevant security challenges.

- Effectively led the redesign of 32 existing projects using a variety of technologies, programming languages, and systems.

- Strategically integrated various vulnerabilities into the redesigned projects, creating a rich and stimulating learning environment for cyber-training event participants.

- Successfully deployed the redesigned projects on an on-premise cloud, allowing hackers to practice and capture flags, contributing to a unique learning experience and leading to a high-quality cyber-training event for 150 employees.

- Took over and adapted existing code repositories to reconfigure them according to event needs, demonstrating an ability to understand and effectively modify existing codebases.

- Separated dependencies of interconnected services to make them autonomous, improving system resilience and modularity.

- Designed and developed applications containing vulnerabilities, providing targeted learning opportunities for participants.

- Wrote detailed documentation and developed vulnerability exploitation scripts, ensuring clarity of objectives and attack methods for event participants.

Technical Environment:

Docker, Ansible, Gitlab CI/CD, Python, Rust, C#, C++, PHP, Node.js, Java, GraphQL, REST API, MariaDB, MongoDB, Unix, Windows, AWS EC2, DevOps