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Português
$
USD
Den
@d_tsyhanenko
Level 2
Software and AI Developer, Automation, APIs and Server Administration
Ucrânia
Inglês, Ucraniano, Russo
Sobre mim
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
US$ 22/hora
offline •
Tempo médio de resposta: 1 hora
Conheça meus serviços
UI/UX Design de Site
I will design and develop a high converting landing page
Segurança e Rede em Nuvem
I will perform a web application penetration test and security audit
Quer trabalhar com remuneração por hora?
Diga a Den o que você precisa.
US$ 22
/
horaPortfólio
Experiência profissional
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Cybersecurity Engineer
Fiverr • Período integral
Sep 2024 - Present • 1 yr 11 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 Avaliações
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1-5 fora das 36 avaliações
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