System Architect (Application Responsible)

We're looking for a System Architect (Application Responsible) to join our team in Madrid, Spain, in a hybrid working mode. In this role, you will take end-to-end ownership of a critical internal application based on the Actico Rules platform, combining operational accountability with system architecture contributions. You will ensure the application's availability, stability, and compliance with enterprise standards while driving continuous improvement, lifecycle planning and strategic alignment with target architectures.

This unique position offers a mix of hands-on technical responsibility and architectural decision-making, requiring an ability to collaborate across functional, technical and infrastructure teams within a highly regulated financial services environment.

Responsibilities

• Take full accountability for application stability, performance and lifecycle planning
• Serve as the primary contact for operational, functional and technical queries
• Conduct periodic health checks, performance tuning and capacity forecasting
• Control and govern application changes, including risk assessments and rollback strategies
• Coordinate with development and infrastructure teams to resolve incidents and implement updates
• Maintain accurate and comprehensive application documentation (runbooks, service catalogs)
• Manage rationalization or decommissioning plans where applicable
• Collaborate with Enterprise Architects on enhancements, integrations and target architectures
• Ensure compliance with IT security baselines, integration standards and cloud-first principles
• Guide modularization efforts, API exposures, observability frameworks and migration strategies
• Identify and address technical debt, scalability issues and modernization opportunities
• Promote service reusability for shared technologies (logging, monitoring, identity management)

Requirements

• Degree in Computer Science, Engineering or related field
• Proven experience managing operational lifecycle of front/middle-office banking systems
• Proficiency in: Application monitoring tools; Integration patterns (web services, messaging queues, file transfers); Database schema design, query tuning and log analysis; and Source control systems (Git) and ticketing tools (JIRA)
• Strong understanding of enterprise architecture principles, secure design patterns and Java-based system engineering
• Experience with an IDE for development/debugging and Oracle DB with SQL
• Familiarity with Actico Rules platform operations (Visual Rules experience is a plus)

Nice to have

• Prior experience in Compliance domain solutions
• Certifications or training on Actico Rules / Visual Rules
• Knowledge of cloud migration and observability toolchains

We offer

• Private health insurance
• EPAM Employees Stock Purchase Plan
• 100% paid sick leave
• Referral Program
• Professional certification
• Language courses

EPAM is a leading digital transformation services and product engineering company with 61,700+ EPAMers in 55+ countries and regions. Since 1993, our multidisciplinary teams have been helping make the future real for our clients and communities around the world. In 2018, we opened an office in Spain that quickly grew to over 1,450 EPAMers distributed between the offices in Málaga, Madrid and Cáceres as well as remotely across the country. Here you will collaborate with multinational teams, contribute to numerous innovative projects, and have an opportunity to learn and grow continuously.

• Why Join EPAM
• WORK AND LIFE BALANCE. Enjoy more of your personal time with flexible work options, 24 working days of annual leave and paid time off for numerous public holidays.
• CONTINUOUS LEARNING CULTURE. Craft your personal Career Development Plan to align with your learning objectives. Take advantage of internal training, mentorship, sponsored certifications and LinkedIn courses.
• CLEAR AND DIFFERENT CAREER PATHS. Grow in engineering or managerial direction to become a People Manager, in-depth technical specialist, Solution Architect, or Project/Delivery Manager.
• STRONG PROFESSIONAL COMMUNITY. Join a global EPAM community of highly skilled experts and connect with them to solve challenges, exchange ideas, share expertise and make friends.