EPAM NEORIS is a digital accelerator that helps companies enter the future, with 25 years of experience as Digital Partners for some of the world's largest companies. We are over 4,000 professionals across 11 countries, with our multicultural startup culture where we foster innovation and continuous learning to create high-value solutions for our clients. We are looking for a: Fullstack Java Developer – Senior Main responsibilities: * Develop and maintain applications using Java 8–17. * Design and implement microservices and REST APIs with Spring Boot. * Build, package, and automate processes with Maven and Ant. * Collaborate on CI/CD pipelines using Git, Jenkins, or GitLab CI. * Perform deployments on application servers such as JBoss/WildFly and WAS. * Develop user interfaces with Angular or React (SPA). * Implement authentication and authorization using OAuth2, JWT, and Spring Security. * Manage sessions, roles, and access rules (RBAC). * Identify and mitigate vulnerabilities based on OWASP Top 10. * Integrate and query relational and NoSQL databases. * Collaborate on containerization tasks and deployment on Kubernetes (basic level). * Conduct functional and security testing using Postman. * Develop scalable solutions compatible with cloud environments (Azure desirable). Requirements: * Mode: Hybrid * Location: Mexico City * Required experience: +8 years in development and modernization of enterprise applications with Java * English: Intermediate B2 – Ability to hold fluent conversations +8 years of experience in backend development with Java 8–17. * +8 years of experience in backend development with Java 8–17. * Proven experience in microservices, APIs, and distributed architecture. * Solid knowledge of Spring Boot and its ecosystem. * Experience with Angular or React. * Proficiency with Git, Jenkins, GitLab CI, and continuous integration tools. * Experience in deployments with JBoss/WildFly and WebSphere Application Server. * Knowledge of application security concepts (OAuth2, JWT, OWASP Top 10). * Experience with SQL and NoSQL databases. * Desirable knowledge of Docker and Kubernetes. * Experience in Azure, AWS, or GCP is a plus. * Recommended certifications: Oracle Certified Professional (Java SE 11/17). Spring Professional (VMware). Web Application Security Certification. OAuth2/OpenID Connect Certification. We offer: * 100% payroll scheme * Statutory benefits * Benefits package * Professional Development Plan * Multicultural Collaboration We invite you to get to know us at http://www.neoris.com, Facebook, LinkedIn, Twitter or Instagram: @NEORIS. Perla Romero Recruiter TAG (LI-PR1)