Serhan Yildiz mark

Serhan Yildiz

Developer & Cyber Security

ENTR

Portfolio

Selected projects.

The case studies are anonymized where needed, but specific enough to communicate the delivery logic, technical decisions and business impact.

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Threat surface portal illustration with asset inventory and issue triage views

2026

Threat Surface Portal

An internal portal to unify visibility across domains, issues and externally exposed systems.

SecurityPlatformInternal Tooling
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Bilingual SaaS product marketing illustration with multilingual screens

2025

Bilingual SaaS Rebuild

A multilingual marketing and onboarding rebuild designed to improve trust, content velocity and launch readiness.

GrowthMarketing SiteLocalization
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Secure runtime baseline illustration with containers, proxy and health checks

2025

Coolify Secure Runtime Baseline

A hardened deployment baseline for self-hosted workloads combining lean images, security headers and operational clarity.

InfrastructureSelf-HostedHardening
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Projects show frontend, backend, deployment and security depth.

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