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Salary
≈ $43k – $111k per year (Estimated)
Location
In office (Las Rozas de Madrid)

Confirmed on the employer's own hiring board on Oct 21, 2026. First seen by Alion on Oct 18, 2026.

Overview
Company
Impact
Profile match

SIX

SIX is a Swiss financial market infrastructure group headquartered in Zurich that operates stock exchanges, securities settlement and custody, banking and payment services and financial information. Formed in 2008 from the merger of Swiss financial companies and owned by banks, it runs the SIX Swiss Exchange and, since acquiring BME, the Spanish stock exchanges in Madrid, with further offices in London, Warsaw, Frankfurt and Stockholm. It hires Java and full-stack developers, test and platform engineers, product and project managers, business analysts, controllers, internal auditors and interns in Madrid, Zurich and Warsaw.
Backed by team@irregular

BME - Bolsas y Mercados Españoles - drives the transformation of financial markets and belongs to SIX, the third largest exchange group in Europe.

What sets us apart drives us ahead: between local roots and global relevance, we are a unique blend of tradition and future, of foundation and growth. We value bright minds and inspire them to grow with their ideas. Come and shape the future of finance with us.

Java Full Stack Engineer

Madrid|Working from home up to 40%| Reference8191

Are you passionate about modern technology? Do you want to work in an agile, self-organized environment where collaboration, trust, and innovation are paramount? Then, our motivated Application Development Team wants to hear from you. Our goal is to offer technological products of high quality to our customers. You cooperate with Business and IT stakeholders and take over various tasks as Software Engineer in the area of the Spanish Tax Services.

What You Will Do

  • ensure Run operations of the application. Resolution of the incident and problem management process and support the business team.
  • development of the application enhancements and maintenance of the application with business and IT units. Ensure timely delivery of the deliverables.
  • make sure the development and change process is in accordance with the principles and guidance from Architecture, Security & Strategy.
  • continuous improvement in the areas of secure coding, application monitoring and automation. Management of technical debts and timely resolutions.
  • work in close collaboration with Product Owner, IT Architects and other stakeholders.

What You Bring

  • full-stack development with up-to-date skills in Java OpenJDK, Spring Boot, Angular, OpenShift, ArgoCD, GitLab, Ansible, Tomcat, WildFly.
  • experience in web application development and maintenance.
  • ability to analyze requirements, design test strategies, and identify edge cases before they reach production.
  • high team-working ability.
  • knowledge in secure coding and web security, strong problem-solving and documentation skills with a proactive approach to improving software quality.
  • good verbal and written English and Spanish.

If you have any questions, check out our FAQ page or call Yuliya Stoykoat +34 917095993.

For this vacancy we only accept direct applications.

Diversity is important to us. Therefore, we are looking to receiving applications regardless of any personal background.

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