Senior Java Developer – High-Performance Financial Systems

At ASTEK Iberia, we are looking a for a Senior Java Developer (7+ years experience) to join a leading financial market infrastructure organization in Madrid. This role is focused on building and optimizing mission-critical post-trade systems used by major global financial institutions. If you are passionate about high-performance, low-latency systems and complex financial environments, this could be your next challenge.

Main responsibilities:

• Design and develop high-performance Java-based backend solutions for post-trade processing.
• Build scalable, resilient systems integrated with primary and secondary market trading platforms.
• Ensure compliance with regulatory standards and internal security policies.
• Translate complex business requirements into robust, production-grade solutions.
• Work within an Agile (SCRUM / SAFe) cross-functional team environment.

Who are you?

• 7+ years of experience in Java (8+), i...