10+ years of professional software development experience 5+ years of hands-on experience with PHP and Laravel Proven experience building production APIs, webhooks, and real-time integration flows Strong understanding of API authentication/authorization patterns, request validation, rate limiting, and idempotency Experience with background jobs/queues, retry strategies, and durable session state Solid database modeling and performance fundamentals with MySQL or PostgreSQL Demonstrated competence in security practices for handling sensitive customer data (PII) Bilingual proficiency to communicate effectively in English and Portuguese