Job Summary: Work as a Senior Full Stack Developer, maintaining and enhancing corporate systems while actively participating in technical decisions and contributing to innovation. Key Highlights: 1. Full Stack development with focus on Java and JavaScript 2. Active participation in technical decisions and architecture 3. Development of new applications using modern technologies As a Senior Full Stack Developer, you will be responsible for maintaining and evolving corporate systems, ensuring stability, performance, and innovation in the company’s applications. Your role encompasses both Java backend and JavaScript frontend development, active participation in technical decisions, and contribution to continuous system improvement. **Main Responsibilities:** Maintain and evolve legacy systems in Java 6 EE and Java 8 with JAX\-RS; Develop new applications using Java 11 and 21, Spring, React, and Angular; Participate in technical decisions and architectural definitions; Design and integrate REST APIs and microservices; Work in agile environments (Scrum/Kanban); Write SQL queries, procedures, and triggers in Oracle and DB2\. **Mandatory Requirements:** Experience with Java (6, 8, 11 and/or 21\) and Spring (Web, Data, Security, and Cloud); Knowledge of JAX\-RS (Jersey) and REST APIs; Proficiency in JavaScript and TypeScript; Experience with React or Angular; Familiarity with Oracle and Git; Knowledge of Clean Code, SOLID principles, and Design Patterns; Experience with microservices (Spring and Helidon MP). **Preferred Qualifications:** Experience with Oracle ADF, WebLogic, and JDeveloper; Practical experience with automated testing (Jest, Mockito, Spring Test); Experience with Azure DevOps, CI/CD, and Pipelines. Minimum Education Level: Bachelor’s Degree Desired Education: Information Technology, Bachelor’s Degree Languages: English (Basic)