Senior Software Engineer, AI Applications

About the Team At Stone-AI PaaS, we build cutting-edge AI applications for foreign language learning. We’re a hands-on team driven by impact—not by boundaries. We learn fast, adapt quickly, and thrive in a constantly evolving environment. We collaborate closely with product managers and designers, stepping beyond traditional engineering roles. Our engineers are versatile, contributing across frontend, backend, algorithms, and even product planning when needed. Responsibilities - Build and ship full-stack features in close collaboration with design, product, and cross-functional teams - Contribute to system architecture and drive improvements in code quality - Enhance product performance, stability, and reliability through debugging and optimization