Senior Full Stack Developer (Cyber Security)

<p><strong>Decanos</strong> is a leading provider in the field of <strong>Managed Security Service Providers</strong> <strong>(MSSP)</strong> and offers a comprehensive platform for advanced cybersecurity solutions. Our software is specifically designed to proactively <strong>identify IT security risks</strong>, analyze threats, and automate the implementation of security measures. Our MSSP software includes powerful modules such as Extended Detection &amp; Response (XDR), Security Information and Event Management (SIEM), a <strong>24/7 operational Security Operations Center (SOC)</strong>, as well as specialized solutions for Threat Intelligence, Incident Response, and Behavioral Security Training. Leveraging artificial intelligence, automated playbooks, and <strong>real-time data analysis</strong>, Decanos helps companies detect security incidents early and respond effectively.</p> <p>Through close collaboration with <strong>Cyber Curriculum GmbH</strong>, we ensure that our solutions comply with the latest regulatory requirements, such as <strong>NIS2 and KRITIS</strong>. 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.</p> <p>Decanos stands for an <strong>integrated, intelligent, and forward-thinking security strategy</strong> that helps companies effectively defend against cyberattacks and build a secure digital future.</p> <h2 id="tasks">Tasks</h2> <p>We are looking for a <strong>Senior Full-Stack Developer (Cybersecurity)</strong> who will play a key role in <strong>building our MSSP platform while mentoring and leading junior developers</strong>. This is a hands-on engineering role where you’ll develop critical security features, optimize large-scale real-time data processing, and integrate cutting-edge cybersecurity tools (<strong>CrowdStrike, Elastic, Windows Defender</strong>). You’ll also help shape best practices, guide architectural decisions, and foster a strong development culture within the team.</p> <p><strong>Key responsibilities:</strong></p> <ul> <li><strong>Develop &amp; optimize</strong> full-stack applications using <strong>Supabase (SQL), NextJS, TypeScript, and Python</strong>.</li> <li>Build <strong>scalable and secure APIs</strong> to interact with security tools and external integrations.</li> <li><strong>Lead &amp; mentor junior developers</strong>, conducting code reviews, technical coaching, and architectural guidance.</li> <li>Ensure <strong>best practices in secure coding, performance optimization, and database design</strong>.</li> <li><strong>Process and analyze security data</strong>, working with SIEMs, EDRs, and real-time event processing.</li> <li>Work closely with <strong>security analysts</strong> to translate threat intelligence into automated detection and response features.</li> <li><strong>Own and drive system architecture decisions</strong>, ensuring scalability and maintainability.</li> <li>Foster a <strong>collaborative team environment</strong>, helping junior developers grow their expertise.</li> </ul> <h2 id="requirements">Requirements</h2> <p><strong>Required skills &amp; experience:</strong></p> <p>✅ <strong>5+ years</strong> of experience in <strong>full-stack development</strong>, ideally in <strong>cybersecurity or security-related applications</strong>.</p> <p>✅ Proven experience leading and mentoring junior developers in a team setting.</p> <p>✅ Expertise in <strong>TypeScript, NextJS, Python, and Supabase (SQL)</strong>.</p> <p>✅ Strong experience with <strong>API development (REST, GraphQL), authentication (OAuth, JWT), and security best practices</strong>.</p> <p>✅ Familiarity with <strong>SIEMs, EDR solutions, security automation, and large-scale security data processing</strong>.</p> <p>✅ Experience working with <strong>large-scale databases, query optimization, and performance tuning</strong>.</p> <p>✅ Hands-on experience integrating with security tools like <strong>CrowdStrike, Elastic, or Windows Defender</strong>.</p> <p>✅ Knowledge of <strong>cloud platforms (AWS, GCP, or Azure)</strong> and DevOps workflows (CI/CD, Infrastructure as Code).</p> <p><strong>Nice to have:</strong></p> <p>🔹 Experience with <strong>security automation &amp; orchestration (SOAR)</strong>.</p> <p>🔹 Contributions to <strong>open-source security projects</strong>.</p> <p>🔹 Security certifications (<strong>OSCP, CISSP, AWS Security</strong>).</p> <h2 id="benefits">Benefits</h2> <p>🚀 <strong>Lead a growing development team</strong> in building an innovative MSSP platform.</p> <p>🏢 <strong>Hybrid setup:</strong> 3 days in a <strong>modern Berlin office</strong>, 2 days remote.</p> <p>💡 <strong>High-impact role</strong> shaping both the platform’s technical direction and the team’s growth.</p> <p>📚 <strong>Training budget</strong> for cybersecurity certifications and conferences.</p> <p>✅ Option for a <strong>com