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@d_tsyhanenko
Level 2
Software and AI Developer, Automation, APIs and Server Administration
Ucrania
Inglés, Ucraniano, Ruso
Sobre mí
I build software that works and infrastructure that stays up. As a full-stack developer and DevOps engineer, I create web applications (React, Node.js, Python), AI chatbots and agents, custom APIs, and automation systems and I set up, configure, and manage the Linux servers they run on.
Habilidades
Den
USD 22/hora
desconectado •
Tiempo medio de respuesta: 1 hora
Revisa mis servicios
Sitio web UI/Diseño UX
I will design and develop a high converting landing page
Red y seguridad en la nube
I will perform a web application penetration test and security audit
¿Quieres trabajar por horas?
Dile a Den qué necesitas.
USD 22
/
horaPorfolio
Experiencia laboral
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Cybersecurity Engineer
Fiverr • Tiempo completo
Sep 2024 - Present • 1 yr 10 mos
- Administered corporate email infrastructure for 10,000+ accounts across FortiMail and Microsoft 365, managing security policies, anti-spam, anti-phishing controls, and mail flow. - Defended against a 220,000 RPS DDoS attack through real-time WAF response, mitigating the threat with zero service disruption; continued ownership of WAF policies and critical incident response. - Designed and executed controlled phishing simulations across 2,500 office employees, developed security awareness courses, training materials, and conducted company-wide webinars. - Implemented process automation using Microsoft Power Automate and cloud services, reducing manual workload across security operations workflows. - Owned end-to-end security processes across all domains and improving them through PDCA methodology to align with evolving threats and business needs.
36 Reseñas
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1-5 de 36 reseñas
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