Software Engineer - Middleware (f/m/d)

Your area of work:

We are looking for a Software Engineer - Middleware Application to join the CBL Connectivity & Data development team (HUB). You will work on a business-critical middleware platform processing millions of financial transactions and enabling connectivity between Clearstream systems and external market infrastructures. The platform is developed in-house using Java (JDK 21+) and C++, with IBM MQ, Apache Kafka, Oracle and Red Hat OpenShift.

This is a hands-on engineering role for someone who enjoys solving complex distributed-system problems and wants to deepen their expertise in application development. You will work across design, implementation, automated testing, CI/CD and production, embedding secure-by-design practices and automated security controls directly into the software delivery lifecycle.

Your responsibilities:

• Design and implement middleware capabilities, platform enhancements and security controls
• Automate delivery pipeline in CI/CD
• Analyze security findings and production issues, identify root causes, and implement sustainable remediation measures.
• Contribute to architecture, automated testing, deployment, and operational support.
• Take ownership throughout the full software lifecycle, from analysis and design to production support and continuous improvement.

Your profile:

• Degree in Computer Science, Information Security, Engineering, or equivalent practical experience.
• Strong analytical and software-design skills, with the ability to develop solutions for complex distributed systems.
• Hands-on software development experience with Java, C++, or another modern programming language.
• Experience with distributed systems, messaging platforms, event streaming, enterprise integration, or middleware technologies.
• Experience troubleshooting complex distributed systems and performing root-cause analysis.
• Understanding of secure coding principles and experience applying them in software development.
• Experience with Linux, CI/CD and containers is valuable
• Fluent English and ability to collaborate across engineering and security teams

Would be an advantage:

• Experience with Linux
• Containerization (Docker, Kubernetes, OpenShift)
• Experience with CI/CD pipelines (e.g. GitHub Actions/Workflows, Jenkins or similar)
• Practical use of AI-assisted development tools and secure coding assistants
• SAST/DAST Tuning and integration, such as HP Fortify, SonarQube, etc.
• Understanding PKI, TLS/SSL, secrets management (e.g. HashiCorp, CyberArk), and encryption mechanisms

You can look forward to our benefit package:

• Hybrid Work and Flexible working hours
• Work from abroad - 12 days of remote work from EU countries per year
• Group Share Plan - discount on company shares
• Pension fund contribution - 3% of your gross salary (5% after 5 years with us)
• Health & Wellbeing - fully covered Multisport card, life & accident insurance, sick days and 100% salary contribution during sick leave (up to 56 days)
• 25 vacation days
• Mobility - fully covered public transport in Prague & free parking
• Flexible Benefit Account (Pluxee) - 1200 per month
• Free Access to E-Learning Platforms, Internal Development Programs, Mentoring & Learning Budget