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Front-end Software Engineer
Frontend engineer at a next-generation cloud security scaleup in Belfast, building high-performance, complex user interfaces with React, TypeScript and WebGL. Pure frontend ownership across the full lifecycle, including API schema definition; hybrid working (3 days in the Custom House Square office, 2 remote).
Principal Security Operation Engineer (Red Team)
Lead red-team exercises to simulate real attacks on Bybit’s crypto exchange, cloud, and AI systems, then turn findings into detection rules and security tooling.
Linux System Administrator (w/m/d) Defense Products
Maintains and secures IONOS’s cloud and hosting infrastructure, including DDoS mitigation, WAFs, and CDN, using Linux, BGP, Ansible, and CI/CD pipelines.
Linux - System Administrator (f/m/d) Defense Products
Administer and secure IONOS’s cloud infrastructure by operating DDoS defenses, WAFs, and CDN while automating Linux systems with Ansible, Puppet, and Python.
Java software developer centurion
On-site Java developer role in Centurion, South Africa with a fast-growing client in the telecoms/security sector: analyzing business requirements and designing, building, testing and maintaining Java applications, frameworks and libraries, including unit tests, code reviews and integration with existing systems. Core stack is Java on Linux, with Python exposure a plus.



