5-8+ years building, testing, and deploying production software Backend-focused with full-stack capabilities Experience with modern technologies: Python, Go, Rust, JavaScript, TypeScript, React, Next.js, Angular Proven experience with high-scale systems Experience with databases Experience with cloud infrastructure (AWS) Experience with API development Experience with software architecture Experience with Kafka or similar event streaming platforms (bonus) Carrier integration or IoT connectivity experience (bonus) Database optimization and performance tuning (bonus)