AI Agent Developer

Magic Media

Athens, Attica, Greece Hybrid contract

Posted: April 9, 2026

Required Skills

Job Description

Cyrex, a Magic Media company, is a media and tech start-up powered by creativity and innovation. We work with leading developers and publishers in the games industry, providing support and solutions designed around individual needs and carried out by global experts.

We produce high-quality results by constantly staying at the forefront of modern technology and cutting-edge processes and practices. The best of our team are known for their strong initiative, not just in taking care of their day-to-day responsibilities but in helping identify ways to build, grow, and do more in their work.

We’re currently looking for a dynamic addition to the team to help work on exciting cybersecurity and development projects for the video games industry. The ideal candidate will work with cross-functional teams to develop critical products and services for our clients and offer excellent technical support to our teams. If you’re an enthusiastic, motivated, and lateral thinker, our team is waiting to meet you!

Responsibilities

• Be at the forefront of autonomous pentesting, by developing our agentic penetration testing tool
• Implement agentic workflows that conduct an application penetration test from A-Z
• Benchmark results and improve the logic
• Provide technical support for penetration testing teams who use the tool.

Requirements:
• A technical or university level qualification, preferably in Computer Science. Equivalent combination of education and experience may be substituted.
• Excellent written and oral communication skills (especially in the English language)
• 3+ years of writing products in python 3.
• Experience with at least one agentic framework (eg LangGraph, AutoGen, CrewAI) or comparable orchestration patterns
• Understanding of key agentic components like memory management, prompting and tool design, RAG fundamentals, multi-agent orchestration and prompt injection defenses
• Knowledge about evaluating agents using benchmarks and success metrics

A working knowledge in

• Offensive security, including common vulnerability knowledge and experience with web and mobile app testing
• Familiarity with common tooling such as: Burp Suite, OWASP ZAP, Nuclei, sqlmap, nmap

Benefits:
• An opportunity to hone and improve your skills by applying them to a diverse variety of gaming projects
• The chance to work closely with a team of like-minded creative professionals in a fast-paced, multicultural environment on a variety of gaming projects
• A competitive salary
• Ongoing training and professional self-improvement opportunities

If this sounds interesting to you and you’d like to be at the forefront of cybersecurity, we’d love to hear from you.

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