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Location
Hybrid (Las Rozas de Madrid, Spain)
Seniority
Middle · 4+ years exp

Confirmed on the employer's own hiring board on Nov 11, 2026. First seen by Alion on Nov 11, 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.

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.

.NET Software Engineer

Madrid|Working from home up to 40%| Reference8400

Are you interested in the world of Finance and IT? Do you have experience as a developer with .NET and C# and enjoy working on innovative projects and services? Then, become part of our dynamic and collaborative development team and work on IT projects for the Exchanges Business Unit in Spain. As part of this team you will work on an agile, dynamic, global and flexible environment with a hybrid model.

What You Will Do

  • Become part of the team that develops Market Surveillance tools for the Spanish Stock Exchanges
  • Develop applications using.Net, C#, Web Applications…
  • Contribute to the implementation of DevOps concepts such as cross-team collaboration, best practices, and alignment toward meeting business goals
  • Collaborate in the continuous improvement of development processes, promoting best practices and innovative solutions

What You Bring

  • A minimum of 4 years of experience is required in the following sections
  • Experience in .NET(C# and VB), SqlServer Database, Web Applications as a developer
  • Experience and knowledge of CI/CD (Git, Artifactory, Sonar, Ansible), java, linux platform, Angular, LINQ, skills are a plus
  • High team-working ability and accurate working methods
  • Strong interpersonal and communication skills with a team and collaborative mindset
  • Ability to communicate in English and Spanish, both written and spoken, to interact with our international colleagues

If you have any questions, check out our FAQ page or call Sara Perez de la Cuestaat +34 91 709 56 80.

For this vacancy we only accept direct applications in English.

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

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