Çağrı Türkseven

Full-stack development of web apps (React, TS, GraphQL, AWS serverless) in an agile team. • Performed secure code reviews and remediated code weaknesses following OWASP standards. • Implemented robust input validation (SQLi, HTML encoding) and secure file upload controls. • Conducted fuzz, stress, integration and manual security testing. • Built secure APIs with schema-based validation on AWS. • Built components for a shared library, reducing code duplication by 50%+

- Developed responsive web interfaces with Vue.js, JavaScript and SCSS in a Scrum team, using Adobe Experience Manager (AEM) as CMS. - Worked closely with design teams to deliver pixel-perfect, cross-browser compatible user interfaces.

Full-stack development of a CRM application (React, Redux, Node.js, Express, MongoDB) in an agile team. - Implemented JWT-based authentication and account lockout after repeated failed login attempts - Developed frontend and backend features from analysis to maintenance

• Acting District Police Chief: responsible for operational readiness, physical and logical access control to critical facilities and sensitive assets and regular security drills. • oversaw facility access control, shift planning, continuous training and security checks for approximately 200 personnel. • Planned surveillance camera placement, including reliable power supply and connectivity. • Oversaw the physical protection and operational continuity of servers and communication systems, power backup.

• Coordinated international police cooperation and extradition processes with law-enforcement agencies in dozens of countries through INTERPOL channels and bilateral agreements. • Managed information flow between national authorities and foreign counterparts during time-critical operations, applying need-to-know principles. • Prepared decision-support reports and recommendations for senior management. • Completed 20+ international missions, mainly across Europe.

Modules: EXIN Information Security Foundation based on ISO/IEC 27001 (certified), NIS2 Expert & ISO/IEC 27001 Implementer Training.

In this four year, the aim of our education was to learn and improve our administration skills. In both national and international level.