Are you a software developer with experience in Java, C++, and Linux and an interest in Market Risk ? Do you enjoy working close to the engine, investigating complex calculations, debugging technical issues, and contributing to targeted developments? At Qaracter , we're looking for a Java / C++ Developer to join a technology team working on financial risk solutions. You will combine Java development with C++ debugging and troubleshooting, helping ensure the reliability, performance, and security of critical risk applications.
Develop and maintain Java applications, implementing targeted developments and addressing identified vulnerabilities.
Debug and analyze C++ engine traces to investigate calculation discrepancies, unexpected behavior, and technical errors.
Perform small-scale developments and adjustments in C++ when required.
Analyze and troubleshoot issues across both Java and C++ components.
Use Git for version control and collaborate with other developers throughout the development lifecycle.
Work in Linux environments, performing basic administration, troubleshooting,



and application support tasks.
Participate in code reviews, technical discussions, testing, and maintenance activities.
2+ years of professional experience in software development.
Strong knowledge of Java .
Experience with C++ , particularly for debugging and troubleshooting.
Basic to intermediate knowledge of Linux environments.
Experience with Git and version control workflows.
Strong debugging and problem-solving skills across Java and C++ applications.
English level B2 or higher is highly valued.
Familiarity with security practices and vulnerability remediation in Java applications.
Experience with CI/CD environments and automated testing.
Experience working with AI-assisted development tools such as Devin, GitHub Copilot, Claude Code , or similar.
Knowledge of Agile methodologies such as Scrum or Kanban.
Opportunity to work on financial technology and Market Risk projects using Java and C

📌 Java / C++ / Linux Developer - Market Risk (Castro Caldelas)
🏢 Qaracter - Beyond your Challenge
📍 Castro Caldelas