Software Engineer (Security Focus)

CETIN International is a leading wholesale provider of active and passive telecommunications infrastructure services in Central and Eastern Europe. CETIN Hungary is part of CETIN International. CETIN International represents four CETIN operating companies in Hungary, Slovakia, Bulgaria, and Serbia. CETIN International companies are providers of mobile telecommunications infrastructure and complex broadband services.

CETIN Hungary owns and operates one of the largest 2G/4G/5G telecommunications network infrastructure in Hungary. We are committed to provide high quality solutions reflecting the technological requirements of our customers. Our main focus is to develop top-quality telecommunication infrastructures and fulfill associated market demand. 

Join us and work with highly skilled, motivated and world-class experts. Apply and be part of our team!

Currently we are looking for a  Software Engineer with Security focus who is curious, practical and excited to turn ideas into working solutions. You don't need to be an AI expert or have vast cybersecurity background. What matters most is your ability to learn quickly, solve problems and build reliable solutions.

About the role:

As a Software Engineer with Security focus, you will design, develop and maintain applications, integrations and automation solutions that support operational and security-related processes.

You will work on a wide range of initiatives, from connecting systems through APIs and building internal tools to experimenting with AI-powered workflows and modern security infrastructure technologies. The role offers the opportunity to gain hands-on experience with automation, Kubernetes, AI agents and cloud-native architectures while contributing to solutions that deliver real business value.

What You’ll Be Doing:

• Developing security applications, improving existing systems
• Building APIs and integrations between systems.
• Designing and implementing automation solutions for security operational processes.
• Creating AI-powered tools, workflows and agent-based solutions.
• Working with containers and Kubernetes-based environments.
• Integrating open-source and commercial technologies.
• Experimenting with local and cloud-based AI models.
• Converting prototypes into reliable production-ready services.
• Improving existing applications, infrastructure and development processes.
• Identifying manual activities and opportunities for automation.
• Collaborating with technical experts across different domains to deliver effective solutions.

What We’re Looking For :

• Approximately 2+ years of experience in software development, automation, DevOps, platform engineering or a similar technical field.
• Experience designing, building, troubleshooting and maintaining software solutions.
• Understanding of software development fundamentals and modern engineering practices
• Experience with or strong interest in:
  • Linux and modern infrastructure environments;
  • Git and collaborative development;
  • APIs and system integration;
  • Containers and automation technologies;
  • Databases;
• AI-assisted software engineering.
• Curiosity and willingness to learn new technologies and approaches.
• Strong analytical and problem-solving skills.
• Ability to work independently while collaborating effectively with others.
• Good communication skills in English.
• Basic understanding of security principles in general especially in the software development field

Nice to have: 

• Experience with Kubernetes.
• Practical exposure to AI-powered applications, agents or automation workflows.
• Experience with cloud-native technologies and Infrastructure as Code.

What we offer:

• Be part of a dynamic and supportive team.
• Flexible working hours with the option for home office.
• Competitive benefits package including:
  • Annual bonus of 10% of gross salary
  • Health insurance and Medicover healthcare services.
  • Laptop and optional smartphone (up to net 150,000 HUF value).
  • Advanced mobile services with unlimited internet.
  • Cafeteria allowance of 700,000 HUF gross per year.
• Company buses available from Budapest.