Senior Solutions Architect for ArcelorMittal Group Treasury

Responsabilities :

• Support the department manager in defining and implementing the Information Systems strategy.

• Review the current architecture and define the target architecture for software solutions and infrastructure in alignment with the company's overall strategy.

• Drive continuous improvement of the production environment's stability by working closely with stakeholders to configure, maintain, and monitor applications while meeting system availability objectives.

• Interact with business users on day-to-day operational issues and collaborate with the Treasury Projects team on new developments.

• Establish development standards and engineering best practices, ensuring their adoption by delivery teams.

• Mentor, coach, and guide developers and junior architects throughout the project lifecycle.

• Integrate security requirements (Cybersecurity, GDPR) from the design phase onward ("Security by Design").

• Map existing legacy systems and design migration roadmaps toward new solutions.

• Simplify and communicate complex technical concepts to business management and stakeholders.

Candidate Profile :

A multidisciplinary expertise combined with a high level of autonomy is essential.

• Engineering degree or Master's degree (Master's level) in Computer Science or a related field .

• **Minimum of 8 to 10 years of experience in software development and solution design, including at least 4 years as a Solutions Architect. **

• More than 5 years of experience in the technical management of a cash management and/or capital markets solution is required, along with a solid understanding of business processes (financial transaction lifecycle through payment generation and accounting). Knowledge of one or more of the following solutions would be considered a strong advantage: KTP (Finastra), TRAX (FIS), Calypso (NASDAQ), Diapason .

• Previous experience in the FinTech sector, with a Treasury Management System (TMS) software vendor, or within the Financial IT department of a large multinational organization is highly desirable

Required Skills

• Deep expertise in Java (recent versions), the Spring Boot framework (Spring Data, Spring Security), and containerization on Microsoft Azure (AKS, Azure Functions, API Management).

• Excellent knowledge of Oracle databases (SQL, PL/SQL, advanced optimization of complex queries, and real-time transactional data processing).

• Strong understanding of DevOps practices, CI/CD pipelines, and container technologies (Docker, Kubernetes).

• Proven experience designing microservices, event-driven architectures (Service Bus/Kafka), and secure APIs.

• Development and architecture experience in a complex financial environment, with knowledge of FX derivatives, commodities, and interest-rate derivatives products.

• Good understanding of corporate treasury operations, financial messaging standards (ISO 20022, MT/MX), and banking connectivity.

• Solid experience in designing and building business-oriented reporting solutions .

Professional Qualities

• Excellent written and verbal communication skills in both French and English.

• Strong analytical mindset and a problem-solving approach to complex challenges.

• Strategic vision combined with strong pragmatic attention to detail.

• Ability to build relationships at all levels of the organization, influence functional teams, and work effectively across multicultural environments.

• Strong teamwork and collaboration skills with business and customer service orientation.

• Demonstrated ability to engage delivery teams and communicate complex architectural topics in a clear and accessible manner to Finance leadership.

ArcelorMittal is the world's leading steel and mining company, with a presence in 60 countries and primary steelmaking facilities in 15 countries. Our material is part of the fabric of life. What we produce makes a difference – to individuals, communities, businesses and society. At ArcelorMittal, the safety, health, and wellbeing of our employees are our top priorities. We believe that every accident is avoidable, and it is essential for every employee, from the shop floor to the management committee, to hold this belief.

Our purpose is to produce ever smarter steels that have a positive benefit for people and planet. Steels made using innovative processes which use less energy, emit significantly less carbon and reduce costs. Steels that are cleaner, stronger and reusable. Steels for electric vehicles and renewable energy infrastructure that will support societies as they transform through this century. With steel at our core, our inventive people and an entrepreneurial culture at heart, we will support the world in making that change. This is what we believe it takes to be the steel company of the future.