Senior Developer-System Architecture (Cyber Security)

Decanos is a leading provider in the field of Managed Security Service Providers (MSSP) and offers a comprehensive platform for advanced cybersecurity solutions. Our software is specifically designed to proactively identify IT security risks , analyze threats, and automate the implementation of security measures. Our MSSP software includes powerful modules such as Extended Detection & Response (XDR), Security Information and Event Management (SIEM), a 24/7 operational Security Operations Center (SOC) , as well as specialized solutions for Threat Intelligence, Incident Response, and Behavioral Security Training. Leveraging artificial intelligence, automated playbooks, and real-time data analysis , Decanos helps companies detect security incidents early and respond effectively.

Through close collaboration with Cyber Curriculum GmbH , we ensure that our solutions comply with the latest regulatory requirements, such as NIS2 and KRITIS . We offer tailored security services to companies in critical infrastructure, the financial sector, federal authorities, and the defense industry, strengthening their cyber resilience in the long term.

Decanos stands for an integrated, intelligent, and forward-thinking security strategy that helps companies effectively defend against cyberattacks and build a secure digital future.

Tasks

As a Senior System Architect , you will play a critical role in designing and developing the core MSSP platform. You will work hands-on with cybersecurity tools (CrowdStrike, Elastic, Windows Defender) while ensuring a robust and scalable system architecture. Additionally, you’ll guide junior developers, shaping both the platform’s technical foundation and the team’s development culture .

Key responsibilities:

• Architect & Develop the MSSP platform with a strong focus on security and scalability.
• Design and implement full-stack solutions using Supabase (SQL), NextJS, TypeScript, and Python .
• Integrate cybersecurity tools (e.g., CrowdStrike, Elastic, Windows Defender) into the platform.
• Build large-scale real-time data pipelines and a robust security data lake for analytics.
• Build and optimize APIs to communicate with various security agents.
• Lead system design discussions and make key architectural decisions.
• Work closely with analysts and cybersecurity teams to translate security needs into technical implementations.
• Mentor junior developers , providing technical guidance and best practices.

Requirements

Required skills & experience:

✅ 5+ years in software development, with a focus on cybersecurity or security-related systems.

✅ Deep understanding of threat detection, SIEM, EDR, security lakes, and security automation .

✅ Experience with full-stack development (Supabase, NextJS, TypeScript, Python) .

✅ Strong SQL and database design expertise (performance tuning, indexing, security).

✅ Experience integrating security tools into large-scale applications.

✅ Familiarity with cloud platforms (AWS, GCP, or Azure) and DevOps principles.

✅ Strong communication and leadership skills.

Nice to have:

Experience in MSSP or SOC environments .

Contributions to open-source security projects . Certifications (e.g., OSCP, CISSP, AWS Security ).

Benefits

Work on an innovative MSSP platform with a hands-on security and engineering approach.

Hybrid setup: 3 days in a modern Berlin office , 2 days remote.

Impactful role in shaping the technical foundation of the company.

Training budget for cybersecurity certifications or conferences.

✅ Option for a company pension

⛑️ A private supplementary health insurance

Option for a company bike

Feel free to also take a look at the career page of Cyber Curriculum to discover more exciting jobs: