WordPress Security Developer (Anti Spam Specialist
Cloudflare Turnstile
2 days ago
Role details
Contract type
Permanent contract Employment type
Full-time (> 32 hours) Working hours
Regular working hours Languages
EnglishJob location
Remote
Tech stack
JavaScript
PHP
Email Filtering
Reverse Engineering
WooCommerce
WordPress
Captcha
REST
Job description
- Identify how bots are circumventing existing protections (e.g., API abuse, headless browsers, plugin vulnerabilities).
- Develop and implement advanced anti spam measures tailored to the site's architecture (e.g., custom challenges, behavior analysis, honeypots, rate limiting, or integration with third party services like Cloudflare Turnstile).
- Ensure the solution is lightweight, user friendly for genuine customers, and maintainable.
- Provide documentation and a brief hand off to the client.
Requirements
- Proven experience with WordPress security, specifically combating spam registrations and bot attacks.
- Strong PHP and WordPress development skills (themes, plugins, hooks, REST API).
- Familiarity with modern anti spam techniques (CAPTCHA variants, JavaScript challenges, IP analysis, browser fingerprinting, etc.).
- Ability to reverse engineer how bots work and test your own solutions.
- Portfolio of similar projects - please include links or descriptions of past work where you successfully reduced spam or secured a WordPress site.
- Excellent communication in English (written and spoken).
Nice to Have
- Experience with e commerce platforms (WooCommerce) and membership sites.
- Knowledge of server level security (e.g., fail2ban, ModSecurity) and CDN configurations.
- Contributions to WordPress core or security plugins.
Benefits & conditions
- 100% remote - work from anywhere in your timezone.
- Flexible hours - focus on delivery, not clock watching.
- Direct collaboration with the client - no middlemen, no bureaucracy.
- Impactful work - solve a decade old problem that actually matters to the business.
- Potential for ongoing work - if results are strong, there may be additional security projects.