Guilherme – PHP, WordPress, AWS
Senior PHP and WordPress Developer with 7+ years of experience contributing to digital products across insurance, real estate, and the startup sector. He demonstrates a strong command of back-end architectures, database design, and WordPress internals, with hands-on experience in refactoring codebases and decoupling systems. Adept at managing multi-environment deployments and infrastructure on AWS.
7 years of commercial experience in
Main technologies
Additional skills
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Senior Full-stack Developer
It's a B2B insurance company in the US, offering a simple and straightforward 100% digital application process in the market.





- Led the maintenance and phased migration of the main WordPress site to a Next.js-based CMS (PayloadCMS), keeping both systems live with advanced architecture techniques.
- Built custom plugins to support Marketing and Copy teams, improving efficiency and conversion flow toward checkout.
Senior Full-stack Developer
It's a website for the US-based insurance company.
- Led the website rebrand, delivering an updated visual and technical experience.
- Improved Core Web Vitals to green, reducing LCP by over 4s, CLS to zero, and TTFB to under 2s.
- Developed multiple custom plugins to extend site functionality.
- Contributed to the partial migration to PayloadCMS, including supporting infrastructure.
- Managed Cloudflare configuration, including cache rules, to ensure availability and performance.
Software Developer
It’s a custom WordPress platform for a luxury residential development that combines high-end design with dynamic apartment availability, interactive floor plans, and seamless lead-capture workflows.










- Developed the complete WordPress theme and integrations, enabling content writers to update content independently.
- Built custom plugins to improve the admin interface and content authoring experience.
Software Developer
It’s a website for the company that showcases premier multifamily communities while allowing users to check real-time availability and manage their bills.


- Maintained and optimized website performance.
- Developed and implemented new features.
- Created custom WordPress plugins to enhance the admin experience for content managers.
- Refactored website blocks and pages to improve functionality and code quality.
Software Developer
It's a platform that integrates all the company's services, sharing all the client's results and events in a single place.




- Developed and maintained a multi-site WordPress environment.
- Built and updated dozens of custom themes annually.
- Ensured reliability and performance for sites with high investor traffic.
Software Developer
It's an Investor Relations portal for one of the world's largest freight railways.
- Developed a custom WordPress theme based on Figma designs using a responsive, mobile-first approach.
- Implemented accessibility best practices.
- Integrated APIs for dynamic CVM filings and real-time company stock data.