Senior Front-End Engineer & Tech Lead (React + Java Spring)

Avanciers Inc. is seeking an accomplished Senior Front-end Engineer to lead the design and development of modern web experiences using React, with backend work in Java Spring. You will own front-end architecture, drive performance improvements, and establish coding standards across teams. This role requires 12+ years of experience, fluency with GraphQL/REST, and a track record of delivering scalable UI and microservices.