This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for an Analista Funcional - Sênior based in Brazil. Join a strategic financial technology initiative focused on implementing and optimizing a new fixed-income investment platform for a leading investment banking environment in Latin America. As a Senior Functional Analyst, you will bridge business requirements, banking operations, accounting, regulatory compliance, and technology to ensure seamless platform implementation. You will take ownership of functional requirements, core banking configuration, API specifications, and integration processes across internal systems and external partners. Working closely with business stakeholders, engineering teams, and software vendors, you will help translate complex financial processes into scalable and reliable technical solutions. You will also lead gap analyses, define testing strategies, and support user acceptance testing to ensure operational readiness. This is an opportunity to make a significant impact on financial product innovation while helping build robust, compliant, and efficient banking operations in a dynamic fintech environment.