• Responsible for implementing ROIT solutions for clients, acting as the primary technical and operational point of contact throughout the project lifecycle; • Develop and configure business rules and workflows according to each client's processes and requirements; • Map the client's current process (AS IS) and design the future model (TO BE), identifying opportunities for tax, accounting, and financial optimization; • Configure, validate, and sign off on ROIT solutions integrated with clients' ERPs (SAP B1, Protheus, and NetSuite); • Ensure the solution's alignment with the client's processes, guaranteeing tax compliance and operational efficiency from go-live; • Manage project tasks, schedules, and deliverables, keeping the client and internal team aligned on scope, timelines, and dependencies; • Lead alignment, status, and validation meetings with the client throughout all implementation phases; • Serve as the liaison between the client and ROIT technical teams, ensuring clarity of requirements, smooth deliveries, and high satisfaction throughout the project.

• Perform tax calculations for direct and indirect taxes; • Calculate taxes such as ISS; ICMS; PIS and COFINS (cumulative and non-cumulative); • Manage tax withholdings (IRRF, CSRF, INSS and related withholdings); • Submit and validate tax reporting obligations: SPED Fiscal (EFD ICMS/IPI); • EFD Contribuições; DCTF and DCTFWeb; REINF; • Generate tax payment slips (payment guides); • Configure tax settings in SAP Business One; • Validate incoming and outgoing invoices; • Verify tax calculations and applied tax treatments; • Identify and correct tax rejections and inconsistencies; • Support audits and tax inspections; • Respond to notices and requests from tax authorities; • Gather and organize tax documentation; • Support external audits and tax compliance processes.

• Perform accounting entries and account classifications; • Post expense entries for transactions without invoices; • Support posting of various revenue entries, including financial income; • Post payroll-related accounting entries; • Record accounting entries for tax payments/guides; • Support bank reconciliation processes; • Reconcile customer and supplier (vendor) accounts; • Assist with controls and reconciliations of recoverable and payable taxes; • Assist with intercompany routines; • Support fixed asset control and depreciation; • Ensure organization and up-to-date accounting records and departmental documents.

• Technical and functional responsibility for archiving projects • Development and implementation of archiving concepts • Customizing in data archiving and SAP ILM • Ensuring compliance with legal requirements (GDPR, GoBD, HGB, AO) • Implementation of ArchiveLink and Information Lifecycle Management • Integration of DMS and ECM systems • Definition of custom archiving objects for GQS products • Optical archiving of documents (NAST & Output Management)