Hi! I’m a Senior Fullstack Engineer and Tech Lead with 20 years of experience building and scaling production-grade systems for startups and companies in Brazil and the United States. I currently work part-time (4h/day) as a contractor for Sensytec (Houston, TX), where I design and maintain AWS-based IoT platforms for real-time concrete and soil monitoring using LoRaWAN and BLE sensors. This role is stable and well-defined, and I’m open to additional long-term remote contractor engagements (20–40h/week). What I do best - Build complete products from scratch (backend, frontend, mobile, cloud) - Design scalable AWS architectures (IoT, APIs, event-driven systems) - Lead small to mid-size engineering teams (8+ years as Tech Lead) - Deliver reliable systems with clean code, clear communication, and ownership - Use AI-assisted development to accelerate delivery without sacrificing quality…Hi! I’m a Senior Fullstack Engineer and Tech Lead with 20 years of experience building and scaling production-grade systems for startups and companies in Brazil and the United States. I currently work part-time (4h/day) as a contractor for Sensytec (Houston, TX), where I design and maintain AWS-based IoT platforms for real-time concrete and soil monitoring using LoRaWAN and BLE sensors. This role is stable and well-defined, and I’m open to additional long-term remote contractor engagements (20–40h/week). What I do best - Build complete products from scratch (backend, frontend, mobile, cloud) - Design scalable AWS architectures (IoT, APIs, event-driven systems) - Lead small to mid-size engineering teams (8+ years as Tech Lead) - Deliver reliable systems with clean code, clear communication, and ownership - Use AI-assisted development to accelerate delivery without sacrificing qualityWWWW…