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# Senior Software Analyst & Developer

- **Company:** SIX Group
- **Location:** Madrid, Spain (Remote available)
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Architectural Patterns, Linux System Administration, Oracle Databases, Oracle (Applications), Performance Tuning, PL-SQL, Systems Architecture, Data Processing, Legacy Systems, Microservices
- **Published:** July 4, 2026
- **Apply:** https://es.indeed.com/viewjob?jk=8fdfdc02fc796823

## About the Role

Strong expertise in Oracle databases and advanced PL/SQL development, with proven experience in complex data processing and performance optimization.
Solid background in application and system architecture, especially in complex legacy environments.
Understanding of the Clearing business domain will be a plus
Experience with Java (microservices architecture) and Linux environments.
Native Spanish and advanced level of English (C1), both written and spoken.
Availability to perform planned support activities outside standard working hours, when required. This is extra compensated.
Willingness to participate in a 24/7 on-call support rotation, covering full weeks (approximately one week per month) and to cover some bank holidays (aprox. 6 per year). This services are extra compensated.

## Description

Join our team and play a key role in shaping the future of European Clearing services. As a Software Analyst & Developer, you will work at the heart of a business-critical Clearing ecosystem, supporting and evolving complex applications while contributing to the development of a next-generation, unified Clearing platform, working with Oracle, PL/SQL, Java, and modern architectures. You will play a key role in ensuring the stability, performance, and evolution of a complex financial ecosystem in an international environment. The hiring could be either in Madrid or in Barcelona.

What You Will Do

Develop a deep understanding of the Clearing applications ecosystem, including core business flows, data models, and system dependencies.
Design, develop, and maintain robust PL/SQL solutions to support critical Clearing processes, ensuring performance, scalability, and reliability.
Analyse, troubleshoot, and resolve complex production incidents, acting as part of the L3 support model for business-critical applications.
Perform root cause analysis and implement permanent fixes to prevent recurrence, contributing to system stability and continuous improvement.
Participate in support activities outside business hours, including resolution of high-priority incidents affecting Clearing operations.
Collaborate with architects and engineering teams to evolve legacy systems, contributing to modernization initiatives and integration with new architectures (e.g., microservices).
Contribute to technical documentation, knowledge sharing, and handover processes, ensuring long-term maintainability and team autonomy.
Work closely with business stakeholders, operations, and risk teams to ensure efficient and compliant operation of Clearing services.
Contribute to the re-architecture, analysis and development of the next-generation Clearing platform, supporting the integration and consolidation of European Clearing systems into a unified ecosystem.


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