Global Technology Services is seeking a Senior Full-Stack JavaScript/TypeScript Engineer to design, develop, and optimize modern web applications and distributed systems. You will architect scalable solutions, build high‑performance UIs and robust backend services, and drive engineering excellence through best practices and technical leadership.

The ideal candidate has extensive experience with React/Next.js/Node.js, REST/OpenAPI, cloud‑native apps, and AI/LLM integration, including tool-calling