Fullstack Developer Java 21 + React

Description

**Position Objective** We are seeking a Fullstack Developer with solid backend development experience using Java 21 and frontend development experience using React, focused on building modern, scalable, and high-performance applications. The role will actively participate in the design, development, integration, and maintenance of web solutions within agile environments, collaborating with multidisciplinary teams to deliver high-quality products. **Key Responsibilities** * Develop and maintain full-stack applications using Java 21 and React. * Design, develop, and consume RESTful APIs. * Implement responsive, reusable, and optimized web interfaces. * Participate in technical analysis and solution design. * Optimize application performance, scalability, and stability. * Conduct unit and integration testing. * Participate in code reviews and ensure adherence to sound development practices. * Manage dependencies and builds using Maven. * Document technical components and development processes. * Collaborate with multidisciplinary teams under agile methodologies. **Requirements** * Bachelor's degree in Systems Engineering, Computer Science, Information Technology, or related field. **(Degree mandatory)** * Minimum \+4\.5 years of experience as a Fullstack Developer. * Demonstrable experience in projects developed with Java and React. * Solid experience with Java 21\. * Advanced knowledge of: Spring Boot, Spring MVC, Spring Data, JPA, Hibernate * Microservice development. * Experience creating and consuming REST APIs. * Proficiency in authentication and security: JWT, OAuth2, Spring Security * Dependency management with Maven. * Proficiency in: Hooks, Context API, Redux, or similar state management tools * Knowledge of: HTML5, CSS3, JavaScript ES6\+, Responsive Design * Frontend-backend integration via APIs. * Experience with: PostgreSQL, MySQL, SQL Server * SQL query design and optimization. * Git / GitFlow. * CI/CD. * Docker (desirable). * Familiarity with cloud services such as AWS, Azure, or GCP is a plus. * Experience with microservice-based architectures. * Knowledge of testing frameworks: JUnit, Mockito, React Testing Library * Experience working under Agile/Scrum methodologies. * Adherence to Clean Code best practices and SOLID principles. **NOTE: THIS POSITION IS 100% ON-SITE IN THE SOUTH OF MEXICO CITY AND A UNIVERSITY DEGREE IS MANDATORY.** Salary: $30,000\.00 \- $35,000\.00 per month Application Question(s): * Do you hold an issued university degree? (NOT pending issuance) * Are you currently residing in Mexico City? Work Location: On-site employment