**Yurii Kosiak**
yuri.kosiak@gmail.com
+1 (510) 377-8210
Fremont, CA

### Professional Summary
Experienced web developer with 12+ years in PHP and WordPress development, specializing in secure coding and performance optimization. Expertise in managing complex marketing websites and implementing security measures.

### Skills
- PHP, WordPress theme/plugin development
- OWASP security principles
- Managed WordPress hosting (WP Engine, Pagely)
- Front-end: JavaScript, HTML5, CSS/SASS
- Problem-solving, attention to detail
- Effective communication and teamwork

### Projects
1. **CYBR** (https://cybr.ai) – WordPress security awareness training platform
2. **Parrotz** (https://parrotz.fi) – WordPress car sales portal
3. **Vahur Singa** (https://vahursinga.com) – CraftCMS 3 business master classes
4. **Ootravels** (https://ootravels.com) – WordPress hotel/air ticket booking

### Work Experience
**PHP Back-end Developer** – Freelance, United States (Aug 2023 – Present)
- Developed secure custom WordPress themes/plugins
- Implemented managed hosting (WP Engine) for performance

**PHP Back-end Developer** – M-One, Tallinn, Estonia (Jan 2021 – Sep 2022)
- Managed WordPress hosting and security features
- Ensured OWASP security compliance

**PHP Full-stack Developer** – Kadabram, Montréal, Canada (Sep 2016 – Jan 2021)
- Led scalable PHP application development
- Integrated security protocols and managed hosting platforms

**DevOps** – Various Companies, Kremenchuk, Ukraine (Sep 2012 – Aug 2016)
- Developed/maintained commercial websites
- Supported network infrastructure and databases

### Education
**Bachelor’s in Electronics & Computer Engineering**
Kremenchuk State Polytechnic University, Ukraine (Sep 2007 – Aug 2012)

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