BME | Bolsas y Mercados Españoles

Full Stack Java Developer – 8318

Are you passionate about coding and ready to make an impact on one of the world's most technologically advanced, innovative, and stable stock exchanges?

We're looking for a skilled Full Stack Developer with strong experience in Java to bring your expertise to the Trading Web Application Development team. In this role, you'll design, build, and deliver high-quality features that power our Market products.

What You Will Do

1. Design and develop high-performance, Java applications for market-facing and value-added applications to trading platforms, leveraging modern frameworks and architectural patterns.
2. Translate business requirements and user expectations into maintainable and scalable solution designs, applying best practices and industry standards.
3. Collaborate effectively within agile teams including developers, testers, product owners, and business stakeholders using Scrum and SAFe methodologies.
4. Ensure code quality and system reliability through peer reviews, automated testing, and continuous integration, proactively identify performance bottlenecks.
5. Drive technical and continuous improvement, proposing enhancements, and contributing to the evolution of the surrounding trading platform's architecture.

What You Bring

1. At least 5 years of professional experience in software engineering, with a strong focus on Java application development (Java 8+, Spring Boot, SOAP/REST web services).
2. Deep expertise in database technologies, including SQL, Hibernate, and database design; experience with both relational and event driven persistence patterns.
3. Proven knowledge of object-oriented design and event based messaging systems (e.g., Kafka), alongside practical experience in integration patterns and optimization and knowledge of core web technologies (HTML, CSS, JS), alongside practical experience with industry-wide frameworks (preferably Angular).
4. Baseline knowledge of continuous integration practices and scalable deployments with containerized applications (e.g., Kubernetes, Openshift).
5. Quality-focused professional with strong problem-solving abilities, and a collaborative, resilient mindset.
6. Familiarity with the FIX protocol and/or direct experience working in financial markets, trading infrastructure, or related environments will be considered as a plus.
7. A full command of English and Spanish with excellent communication skills are required.

What We Offer

Flexible Work Models

We trust our employees and offer a work environment that is well-balanced, productive and fosters success.

Personal Development

You will benefit from a culture of continuous learning and feedback. Your personal growth is supported through an extensive learning offering.

Agile Working Methods

Whether through scrum or design thinking, we solve exciting tasks together in teams.

SOC Detection & Response Analyst – 8166

The Security Operations Center (SOC) is a critical Line of Defense 1 function at SIX, responsible for detecting, investigating, and responding to cyber threats across endpoint, identity, network, cloud, and email environments. We are looking for a hands-on security professional with experience in incident response, threat hunting, and security monitoring. In this role, you will investigate complex alerts, develop and tune detection use cases, support containment and remediation efforts, improve automation and playbooks, and proactively identify threats to strengthen SIX's overall security posture.

Does it sound interesting for you? Apply now with your CV in English. We are looking forward to hearing for you.

What You Will Do

1. Develop, tune, and maintain threat detections and SIEM use cases across endpoint, network, identity, cloud, mail, and M365 environments.
2. Investigate complex security incidents, lead threat analysis, and coordinate containment and remediation activities.
3. Design and improve detection content, SOC automation, SOAR workflows, and incident response playbooks.
4. Conduct proactive threat hunting using threat intelligence and the MITRE ATT&CK framework.
5. Identify detection gaps and continuously enhance SOC capabilities and security posture.
6. Mentor junior analysts and contribute to SOC process improvements and knowledge sharing.

What You Bring

1. 4+ years of experience in SOC operations, detection engineering, threat hunting, and incident response.
2. Hands-on experience with SIEM, EDR, and SOAR platforms (preferably Sentinel, Elastic, Defender for Endpoint, and Cortex XSOAR).
3. Strong background in detection rule development, security investigations, and threat hunting across multiple telemetry sources.
4. Experience with scripting, automation, APIs, and tools such as Python, GitLab, Azure DevOps, and CI/CD practices.
5. Knowledge of security query languages and frameworks, including MITRE ATT&CK.
6. Strong analytical, communication, collaboration, and mentoring skills.

What We Offer

Flexible Work Models

We trust our employees and offer a work environment that is well-balanced, productive and fosters success.

Personal Development

You will benefit from a culture of continuous learning and feedback. Your personal growth is supported through an extensive learning offering.

Agile Working Methods

Whether through scrum or design thinking, we solve exciting tasks together in teams.

Java Full Stack Engineer - 8191

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

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

What You Bring

1. +5 years of experiencie with full-stack development with up-to-date skills in Java OpenJDK, Spring Boot, Angular, OpenShift, ArgoCD, GitLab, Ansible, Tomcat, WildFly.
2. experience in web application development and maintenance.
3. ability to analyze requirements, design test strategies, and identify edge cases before they reach production.
4. high team-working ability.
5. knowledge in secure coding and web security, strong problem-solving and documentation skills with a proactive approach to improving software quality.
6. good verbal and written English and Spanish.

What We Offer

Flexible Work Models

We trust our employees and offer a work environment that is well-balanced, productive and fosters success.

Personal Development

You will benefit from a culture of continuous learning and feedback. Your personal growth is supported through an extensive learning offering.

Agile Working Methods

Whether through scrum or design thinking,we solve exciting tasks together in teams.

DevOps Engineer - 7866

Do you want to shape DevOps practices in a collaborative and continuously evolving technology environment, working in an agile setting where passion, trust, innovation and operational robustness are key principles?

We are looking for a DevOps Engineer to join our Operations Team. You will support application development teams through automation, standardized CI/CD pipelines and the configuration of shared operational platforms, while contributing to DevOps governance, tooling standardization and AI-assisted DevOps practices. You will work alongside experienced engineers in a team that values ownership, collaboration and continuous improvement.

What you will do

1. Design, implement and maintain CI/CD pipelines using GitLab CI and Argo CD, and govern pipelines and environments so delivery is reliable, secure and repeatable.
2. Develop, adapt and maintain reusable automation templates using Ansible and Ansible Automation Platform.
3. Drive DevOps strategy, governance and tooling standardization, ensuring consistent practices across platforms and teams.
4. Develop AI-assisted DevOps practices to improve automation, operational efficiency, engineering quality and team productivity.
5. Manage application-level resources within OpenShift projects and virtual machines (configmaps, secrets, access and configuration changes), including troubleshooting.
6. Support release management and Azure resource operations, collaborating with development and infrastructure teams.
7. Support development teams in integrating deployment pipelines, workflows and observability configurations.
8. Operate and improve scheduling and workflow automation platforms such as Airflow, and write Python scripts for automation, integrations and operational tasks.
9. Collaborate with central infrastructure teams on provisioning, upgrades and shared platform services (e.g. Grafana, Vault, ELK).
10. Document processes, configurations and best practices, and share knowledge within the team.

What you bring

1. +4 years of professional experience in DevOps and platform engineering.
2. A Bachelor’s degree in Computer Science or a related technical field (a Master’s degree is an advantage).
3. Hands-on experience with GitLab CI, Argo CD and Ansible (or Ansible Automation Platform) for automated software delivery and operations.
4. Hands-on experience managing application resources within OpenShift projects and virtual machines, including troubleshooting and access management.
5. Working knowledge of SQL and Azure, including resource group contributor activities and management of cloud resources, and experience supporting release management, entitlement management and production-oriented DevOps operational processes.
6. Basic Python for scripting and automation, and familiarity with Linux environments and application deployments.
7. Strong communication skills, with English at C1 level and Spanish at C2 level, for effective cross-team collaboration.
8. A proactive mindset, willingness to learn and a team-oriented attitude.
9. A plus: exposure to observability and monitoring tools such as Grafana, ELK or Prometheus, and Airflow.

What we offer

1. Flexible work models: we trust our employees and offer a well-balanced, productive work environment.
2. Personal development: a culture of continuous learning and feedback, with an extensive learning offering.
3. Agile working methods: whether through Scrum or design thinking, we solve exciting tasks together in teams.

.NET Software Engineer - 8400

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

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

What You Bring

1. A minimum of 4 years of experience is required in the following sections
2. Experience in .NET (C# and VB), SqlServer Database, Web Applications as a developer
3. Experience and knowledge of CI/CD (Git, Artifactory, Sonar, Ansible), java, linux platform, Angular, LINQ, skills are a plus
4. High team-working ability and accurate working methods
5. Strong interpersonal and communication skills with a team and collaborative mindset
6. Ability to communicate in English and Spanish, both written and spoken, to interact with our international colleagues
7. Willingness to work on a hybrid basis (2 days a week in the office) at our Las Rozas (Madrid) office

What We Offer

Flexible Work Models

We trust our employees and offer a work environment that is well-balanced, productive and fosters success.

Personal Development

You will benefit from a culture of continuous learning and feedback. Your personal growth is supported through an extensive learning offering.

Agile Working Methods

Whether through scrum or design thinking,we solve exciting tasks together in teams.