Solidity Developer

Senior Auditor & Continuous Auditing & Data Analysis Expert

Highly motivated and experienced auditor with a decade of expertise in internal auditing and data analytics across diverse industries. Proven ability to leverage advanced tools and techniques to uncover critical insights, optimize internal audit processes, and drive data-driven decision-making. Passionate about the evolution of Web3 and eager to apply my skills to enhance the integrity and efficiency of smart contracts. Seeking opportunities to contribute to the development of decentralized solutions and revolutionize transparency in digital ecosystems.


Experiece: 6 months

Yearly salary: $50,000

Hourly rate: $20

Nationality: 🇧🇷 Brazil

Residency: 🇧🇷 Brazil


Experience

Senior Internal Auditor - Data Analytics
Nexa Resources
2022 - 2024
Led internal audit reviews and analysis of procedures in Brazil and Peru, utilizing the Teammate software for monitoring corrective and preventive action plans. Developed and executed continuous auditing initiatives, including automated audit tests and monitoring of results. Performed data analysis to uncover patterns, correlations, and deviations, contributing to insights and actionable recommendations. Developed strategic and operational indicators for monitoring controls and risks. Utilized CAATs through ACL software and Python scripting to enhance audit efficiency.
Internal Auditor - Data Analyst
Hospital Israelita Albert Einstein
2021 - 2022
Mapped processes and gathered requirements for creating continuous monitoring indicators. Extracted data from transactional systems (primarily SAP) and other sources. Generated automation scripts using ACL Analytics, Python, and Knime Analytics for ETL processes. Ingested data into SQL Server and presented results through Power BI dashboards. Championed knowledge sharing on Big Data, Analytics, BI, and Data Science within the audit team.
Internal Auditor
OEC Global
2019 - 2021
Developed and optimized continuous auditing and monitoring at a global level, encompassing 19 countries, including automated tests, indicators, and dashboards. Leveraged integrated technologies such as ACL Analytics, Power Query, Power BI, Python, and R to enhance audit processes. Developed and coordinated data-driven audit tests (CAATs).
Internal Auditor
Artefacto
2016 - 2019
Conducted comprehensive internal audits, encompassing all areas of the company, prepared audit reports, questionnaires, and walkthroughs. Developed and monitored corrective and preventive action plans to address audit findings. Implemented continuous auditing techniques and data analysis to identify patterns and deviations. Utilized Tableau and Power BI for dashboard development and R and Python for scripting.
Assistant Internal Auditor
Artefacto
2012 - 2016
Conducted internal audits across all company departments.
Trainee Auditor
Ernst & Young Terco
2011 - 2011
Provided audit services to Monsanto, collecting data and information and preparing daily reports.

Skills

big-data
blockchain
compliance
data-science
data-viz
ethereum
evm
machine-learning
open-source
openzeppelin
python
solidity
sql
truffle
english
portuguese
spanish