Mateus Celistrino

– Developed integrations in Delphi with REST APIs. – Performed requirements gathering and analysis using Agile methodologies, documenting outcomes in Requirements Specification documents to ensure alignment with business goals. – Handled XML generation for sending electronic invoices (NF-e) to the Brazilian Federal Revenue. – Managed version control using Git.

– Responsible for migrating data from legacy systems to the new modular platform, utilizing SSIS. – Leveraged Azure DevOps to manage and track tasks, maintain project transparency, and support iterative delivery. – Managed version control using Git. – Collaborated closely with the development team using the Scrum framework to ensure visibility into individual responsibilities and sprint progress. – Participated in daily stand-up meetings at the beginning of each workday to align priorities, discuss blockers, and track progress.

– Created interface documentation using Figma, outlining screen layouts, defining the purpose of each field, and specifying the behaviors and events triggered by user interaction. – Documented functional and non-functional requirements in Requirements Specification documents. – Conducted client visits for requirements gathering. – Developed applications in Delphi, Oracle (PL/SQL), and SQL Server (T-SQL using SMSS). – Used SVN for version control.

– Created business analysis documents based on client requirements for approval. – Developed ETL-like data migration processes in Oracle SOA Suite, using BPEL for transformation and orchestration within JDeveloper. – Used SVN for version control. – Documented functional and non-functional requirements in Requirements Specification documents.

– Participated in system migration from Delphi to Java, using NetBeans as the development environment. – Used SVN for version control.

– Taught courses in software architecture, database systems, and programming.

– Implemented new features in Delphi and Oracle (PL/SQL). – Used SVN for version control. – Defined appropriate test cases and test data for each new or updated screen, as needed. – Executed individual and grouped test cases. – Implemented test plans and test suites. – Analyzed test failures and reported issues. – Conducted client site visits across Brazil.