Senior Full-Stack Developer | PHP & SQL Expert | Performance & Security Specialist
Senior Full-Stack Developer with 7+ years of experience and a proven track record of delivering over 800 successful web projects. My background in Mathematics allows me to approach software development with a unique structural and analytical perspective, ensuring that every system I build is not only functional but also highly optimized and scalable.
I specialize in building robust backend architectures using PHP and SQL, with a heavy focus on performance tuning, security hardening, and malware remediation. Whether you need a high-performance e-commerce platform, a secure corporate system, or a conversion-driven landing page, I provide end-to-end solutions from initial architecture to final deployment.
Core Expertise:
Scalable Backend Architecture: Expert-level PHP and SQL database engineering.
Performance Optimization: Improving website speed by up to 60% (Core Web Vitals).
Security & Hardening: Malware removal and advanced infrastructure protection.
Conversion-Focused UI/UX: Developing high-performance interfaces designed for growth.
Full-Cycle Development: Managing everything from server configuration to REST API integrations.
I am dedicated to helping international clients and growing businesses build secure, high-performing digital infrastructures. Let’s build something robust together.
Work Terms
Availability: Available for international remote work. I am flexible with time zones to ensure smooth communication and project delivery.
Communication: Professional proficiency in English and native Portuguese. I prefer communicating through the Guru platform or scheduled video calls for project milestones.
Payment Terms: I work exclusively with Guru’s SafePay system to ensure security for both parties. Milestones are typically defined at the start of the project based on specific deliverables.
Commitment: I focus on quality over quantity. My goal is to provide long-term value through clean code, detailed documentation, and reliable support.
Response Time: You can expect a response within 12-24 hours during business days.
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