Senior Full-Stack Engineer - Fintech, AI-Driven, Hybrid

Arvion Services is seeking a Senior Full Stack Engineer to join a global fintech organization focused on cross‑border payments technology. You will own features across frontend, API design, and backend services, while mentoring engineers and driving modernization.

You will collaborate with Product, Design, Compliance, and Engineering to deliver scalable, secure solutions, improve reliability, and adopt AI‑assisted development practices across the lifecycle.