We are looking for a **Senior Full\-Stack Developer** with experience in **React** and a **strong focus on Java** to join our team. The candidate will be responsible for all technical aspects of our **authorization layer**, which powers not only the global application but also more than **70 critical service applications**. The selected individual will focus on implementing our **"Point of Arrival" (POA) authorization layer** and delivering **new features and enhancements** across the global registration portfolio, including a **high-priority regulatory compliance initiative** for our organization. **Requirements:** * More than **10 years of experience** in software development in a professional environment or equivalent experience, including: * Extensive experience in software engineering. * Proven experience leading engineering teams. * Practical experience in application design, software development, and automated testing. * Experience with distributed (multi-tier) systems, algorithms, and relational databases. * **Bachelor’s degree in Computer Science, Software Engineering, or related field** (advanced degree preferred). * In-depth knowledge of the **authorization domain** and **industry standards** (e.g., OAuth2, OpenID Connect, SAML). * **Java:** more than 7 years of experience. * **React:** more than 3 years of experience. * **Relational databases (RDBMS):** more than 2 years of experience. **Desirable:** * Proven experience leading and mentoring engineering teams, setting technical direction, and executing multiple initiatives. * Expertise in designing and developing **distributed systems** with a focus on **performance, scalability, and security**. * Experience implementing **authentication and authorization flows** in enterprise-scale applications. * Experience in **database migration**. * Experience in **Cloud environments**. * Knowledge of the **financial sector or FinTech**. * Familiarity with modern **DevOps practices** and **CI/CD pipelines**. * Strong **collaboration and communication skills**, with experience working with cross-functional teams (product, design, information security, etc.). **Main Technologies (Tech Stack):** * **Db2 (POA Postgres)** * **SOAP (POA REST)** * **REST** via **OneData powered by Vertex** * **ETL** with **Ab Initio (POA Spark)** * **Java** * **gRPC** * **Microservices** * **On\-prem / Cloud** Job type: Permanent Salary: Starting at $89,467\.87 per month Work location: Hybrid remote in 26260, Héroes Mexicanos, Coah.