Join our TPA Dev team in Madrid and grow into a Calypso Developer. You’ll start as a seasoned Java backend engineer and receive structured training on Calypso, used for Triparty Collateral Management and Repo Services at SIX. This is an on-the-job learning path: you’ll build production-grade services while deepening your knowledge of Calypso and the post-trade domain.
What You Will Do
- Design, build, and operate backend services in Java for collateral management and repo workflows, evolving into Calypso customizations and integrations.
- Develop robust, multi-threaded services and APIs using Java 8+ and Spring Boot; expose and consume RESTful interfaces.
- Implement event-driven integrations (e.g., messaging/streaming) between Calypso and internal/external systems.
- Model, optimize, and maintain relational data structures; write efficient SQL and work with ORM frameworks (Hibernate/JPA).
- Contribute to solution design and architecture, ensuring scalability, resiliency, and observability across services.
- Collaborate closely with business analysts, Calypso specialists, and SRE/DevOps to deliver reliable, compliant, and secure solutions.
- Participate in the full SDLC: requirements, estimation, implementation, code reviews, testing (unit/integration), deployment, and production support.
- Embrace infrastructure and platform standards (e.g., Linux RHEL 8+, containerization, CI/CD) and help automate build/test/deploy pipelines.
- Learn and extend Calypso: configuration, workflows, data models, APIs, and custom components to support triparty collateral and repo processes.
- Contribute to continuous improvement: reduce technical debt, improve system performance, strengthen security, and enhance developer productivity.
What You Bring
- 4+ years of hands-on software engineering experience with a strong focus on multithreaded backend development in Java (Java 8+).
- Proficiency with Spring Boot, RESTful API design, and building reliable distributed services.
- Strong database skills: SQL expertise, sound schema design, and experience with Hibernate/JPA.
- Solid understanding of object-oriented design, event-driven architectures, and messaging patterns.
- Familiarity with Linux environments (RHEL 8+), and comfort working with modern CI/CD practices and tooling.
- Understanding of financial markets and post-trade infrastructure; exposure to collateral or repo is a plus.
- Growth mindset: positive, result-driven, quality-focused, and systematic thinker with a problem-solving attitude.
- Collaborative communicator, team-oriented, resilient under pressure; ability to work in a cross-functional, multicultural environment.
- Language skills: English required; German and/or Spanish are a plus.
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