Java Tech Lead / Solution Architect (React , Telecom)

This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a Java Tech Lead / Solution Architect (React, Telecom) based in Portugal. Are you an experienced Java engineer ready to combine hands-on development, solution architecture, and technical leadership on a strategic telecommunications project? In this remote opportunity, you will help build a modern customer and administration portal alongside an integration platform designed to transform legacy business processes. You will lead the initial technical discovery, define the architectural foundations, and guide the delivery of a production-ready minimum viable product (MVP). Working at the intersection of Java, Spring Boot, React, and cloud-native technologies, you will balance architecture and technical leadership with hands-on coding. You will mentor a team of three full-stack developers while collaborating directly with international stakeholders and technical partners. This role offers the opportunity to influence key engineering decisions and contribute to a scalable telecommunications platform with potential long-term prospects.