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# Application Responsible (Ar) System Architect (Actico Rules) - Hybrid

- **Company:** UST España
- **Location:** Madrid, Spain (Remote available)
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Lifecycle Management, JIRA, Business Software, Database Schema, Digital Technology, File Transfer, HP Systems Insight Manager, Internetworking, Log Analysis, Oracle Databases, Performance Tuning, Query Optimization, Queueing Systems, Runbook, SQL Databases, Systems Architecture, Web Services, Technical Debt, Git, Information Technology, Api Design
- **Published:** August 23, 2026
- **Apply:** https://www.buscojobs.com.es/application-responsible-ar-system-architect-actico-rules-hybrid-en-alcobendas-ID-368561580

## About the Role

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
Integration patterns (Web Services, Message Queues, File Transfer)
Database schema design, SQL, query optimization, and log analysis
Git version control
Jira or similar ticketing tools
Practical understanding of enterprise architecture principles and secure design patterns.
Hands-on experience with Java-based systems and development environments.
Experience with Oracle Database and SQL.
Knowledge of Actico platform operations.
Strong analytical and problem-solving skills.
Excellent communication and stakeholder management capabilities.
Ownership mindset, proactive attitude, and teamwork orientation.
Professional English communication skills
? Nice to Have:
Experience within Compliance or Regulatory domains.
Certifications or training related to Visual Rules / Actico Rules.
Experience in cloud migration initiatives.
Knowledge of observability, API design, and modern integration architectures.
German language skills.

## Description

?We are still looking for the very Top Talent...and we would be delighted if you were to join our team!More in detail,USTis a multinational company based in North America, certified as aTop EmployerandGreat Place to Work, with more than35,000 employees worldwideand presence in over35 countries.We are leaders in digital technology services, providing large-scale technological solutions to major global organizations.? What we look for?We are currently looking for anApplication Responsible (AR) & System Architectto join a strategic project in the banking sector, working with a critical internal application based on theActico Rulestechnology stack.Hybrid Model in Madrid (3x2)? Key Responsibilities: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.? Mandatory Requirements: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 toolsIntegration patterns (Web Services, Message Queues, File Transfer)Database schema design, SQL, query optimization, and log analysisGit version controlJira or similar ticketing toolsPractical understanding of enterprise architecture principles and secure design patterns.Hands-on experience with Java-based systems and development environments.Experience with Oracle Database and SQL.Knowledge of Actico platform operations.Strong analytical and problem-solving skills.Excellent communication and stakeholder management capabilities.Ownership mindset, proactive attitude, and teamwork orientation.Professional English communication skills? Nice to Have:Experience within Compliance or Regulatory domains.Certifications or training related to Visual Rules / Actico Rules.Experience in cloud migration initiatives.Knowledge of observability, API design, and modern integration architectures.German language skills.? What can we offer??? 23 days of Annual Leave plus the 24th and 31st of December as discretionary days!?? Numerous benefits (Health Care Plan, Internet Connectivity, Life and Accident Insurances).? `Retribución Flexible ? Program: (Meals, Kindergarten, Transport, Online English Lessons, Health Care Plan...)? Free access to several training platforms.? Professional stability and career plans.? UST also compensates referrals from which you could benefit when you refer professionals.? The option to pick between 12 or 14 payments along the year.? Real Work Life Balance measures (flexibility, WFH or remote work policy, compacted hours during summertime...)? UST Club Platform discounts and gym access discounts.?If you would like to know more, do not hesitate to apply and we'll get in touch to provide all the details.UST is waiting for you!AtUST, we are committed to equal opportunities in our selection processes and do not discriminate based on race, gender, disability, age, religion, sexual orientation, or nationality.We have a special commitment to Disability & Inclusion, and we are interested in hiring professionals with a disability certificate.


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