• I helped crafting effective prompts for selected AI tools within a project for Apple.• Developed prompts that guided AI in generating accurate and relevant responses.• Built classification, regression and clustering models using Python.• Delved deeply into Machine Learning concepts and Large Language Models (LLMs).• Revised data, optimizing over 100+ prompts for improved AI performance.• Refined prompt phrasing to enhance clarity and precision in tools such as Copilot, Gemini, and ChatGPT.• Adjusted model parameters to improve the relevance and accuracy of AI outputs.• Analyzed and compared generated responses to ensure consistency and effectiveness.• Continuously fine-tuned prompts based on testing outcomes to optimize user interaction.

• Evaluated AI-generated responses in JSON format to ensure alignment with specified prompts.• Identified and analyzed inaccuracies in Python responses, focusing on deviations from the originalrequirements.• Iterated on Python scripts to correct identified errors, improving accuracy and functionality.• Provided detailed reviews of the AI model's responses, assessing verbosity and accuracy to optimize performance.

• Temporarily worked in London, representing the commercial back office from Rio de Janeiro. Focused on connecting commercial teams across both locations, optimizing communication, and facilitating the exchange of technical documents for Oil & Gas bidding processes.• Contributed to generating insights for organizational restructuring in Petrobras’ IT department (60+ employees) through data analysis in Excel and activity mapping using BPMN in Visio.• Assisted in expanding the product backlog and applying Scrum principles as part of a consulting project development team.• Led a team, providing training in commercial operations, monitoring progress, and delivering 1:1 and 360 feedback sessions.

• Assisted in implementing the Kanban framework using Jira in a consulting project for Petrobras and translated several official reports into English, including market price references for Submarine Services.• Automated recurring tasks in Excel spreadsheets and Outlook inboxes by applying Power Automate's RPA solution.• Managed and manipulated a database of signed contracts from Oil & Gas stakeholders using MySQL (DDL and DML functions), importing the data into Power BI to develop interactive dashboards.• Designed snowflake and star schemas for data warehouses and used DAX language in Power Query.• Delivered executive presentations on due diligence for M&A to the company’s leadership team.

• Prospected bids in the Oil & Gas industry using SAP Ariba and summarized critical data in weekly executive presentations to approve selected bids. The success rate of winning contracts increased over 30%.• Contributed to the pricing process for commercial offers and risk analysis, accounting for the full consulting project budget (personnel, taxes, mobility), successfully maintaining profit margins and ensuring competitive value.• Worked with CRM involving commercial leads via Salesforce, organizing regular meetings with potential clients for institutional presentations and aligning expectations.• Automated dashboards to monitor lead status and negotiation progress for new consulting projects.• Utilized REST APIs from Microsoft Graph to integrate Planner updates into a Power BI dashboard, populating KPIs and OKRs presented quarterly to over 100 employees in the Energy sector.

• Prepared profit and loss statements (income statements) and analyzed balance sheets with a budget of over $2M, following IFRS principles.• Conducted bank reconciliations to produce financial reports and cash flow projections.• Monitored regulatory compliance to facilitate the maintenance and expansion of regions serviced by out-of-home media marketing.• Worked with ERP systems, such as Microsoft Dynamics, for financial management, including invoice sharing and organizing OPEX and CAPEX costs across various departments (M&S, R&D, G&A, and Operations).• Organized contracts, ensured accurate accounting audits, and oversaw billing and payroll processing.