COBOL Developer

Senior Cobol Developer to work on the maintenance and evolution of critical systems in a mainframe environment. Must have solid experience in legacy platforms, strong analytical skills, and mastery of best practices in Cobol programming, ensuring stability, performance, and reliability in deliveries. - Responsibilities: Develop, maintain, and evolve corporate systems written in Cobol; Perform technical analyses for fixes, improvements, and new features; Work on the support of high-criticality systems, focusing on stability; Interpret and implement complex business rules in a mainframe environment; Execute unit and integrated tests, ensuring the quality of deliveries; Perform debugging and performance analysis, identifying and solving problems; Document flows, processes, and changes made; Collaborate with functional teams, business analysts, QA, and other technical areas. * Need knowledge in payment methods.