Job Summary: CYS is seeking a Senior Java Fullstack Developer to carry out backend and UI development activities, support high-quality delivery, and participate in agile ceremonies. Key Responsibilities: 1. Develops backend application components with Java/Spring Boot. 2. Creates web interface components using approved technologies. 3. Implements business logic based on user stories. Job Description: **About C\&S** Hi! We are CYS, a company of over 160 professionals, established in the market for 40 years. Our purpose is to ensure customer satisfaction; to achieve this, we provide Software Development, Talent Outsourcing, and IT Consulting services. **Position Title: Senior Java Fullstack Developer** * Description: Executes development activities for backend and UI components and supports quality delivery within sprint cadence. Develops backend application components using Java/Spring Boot frameworks approved by the client. Develops web interface components using client-approved interface technologies. Implements business logic based on approved user stories and acceptance criteria. Develops and integrates RESTful APIs and service-to-service integrations. Performs unit testing and supports integration testing activities. Participates in peer code reviews and responds to review comments. Supports defect resolution and refactoring activities within sprint scope. Participates in agile ceremonies including sprint planning, reviews, and retrospectives. Supports development and testing activities for committed sprint features. Participates in agile ceremonies and sprint execution activities. Escalates blockers and dependencies to the Team Lead or Scrum Master. Skills: Spring Boot / PostgreSQL / React.Js / Python / Restful Services / SOAP WS * Seniority: Senior. * Work Modality: Remote * Working Hours: 9 AM to 6 PM * Assignment Duration: 12 months * Possibility of Extension / Conversion to Permanent: Yes * English Level: Advanced (C2 / C1\) **Benefits** * Health insurance (contribution redirection for coverage). * Quarterly salary reviews. * Extended parental leave. * Discounts at universities and educational institutions. * Birthday bonus. * Internet and electricity expense bonus. * Home office equipment. * Welcome kit upon joining.