We are still looking for the very Top Talent…and we would be delighted if you were to join our team
More in detail, UST is a multinational company based in North America, certified as a Top Employer and Great Place to Work, with more than 35,000 employees worldwide and presence in over 35 countries. We are leaders in digital technology services, providing large-scale technological solutions to major integral organizations.
What we look for?
We are currently looking for an Application Responsible (AR) & System Architect to join a strategic project in the banking sector, working with a critical internal application based on the Actico Rules technology stack.

Take end-to-end ownership of a critical business application, ensuring availability, stability, and performance.
Act as the main point of contact for operational, technical, and functional stakeholders.
Perform application health checks, performance tuning, and capacity planning activities.
Coordinate incident management, change requests, and risk assessments.




Collaborate with development and infrastructure teams to resolve issues and deliver enhancements.
Maintain accurate application documentation, runbooks, and service records.
Drive application lifecycle activities, including modernization, rationalization, or decommissioning initiatives.
Validate technical requirements and non-functional requirements (NFRs).
Collaborate with Enterprise Architects on solution design and architecture evolution.
Ensure compliance with security standards, cloud-first strategies, and integration guidelines.
Identify technical debt, scalability challenges, and modernization opportunities.
Promote the adoption of reusable enterprise services and best practices.
Degree in Computer Science, Engineering, or a related discipline.
Proven experience supporting front-office and/or middle-office banking applications.

Strong knowledge of:

Application monitoring tools
Database schema design, SQL, query optimization, and log analysis
Jira or

📌 Application Responsible (Madrid)
🏢 UST España & Latam
📍 Madrid