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Peterson Wagner Kava de Carvalho

Peterson Wagner Kava de Carvalho

Data Engineer at Bradesco

Curitiba, Paraná, Brazil, Curitiba, Paraná, BR
+55 41 99231-0244
Portuguese, English

Background


About

About

Data Engineer with 7 years of experience in designing and implementing scalable data solutions. Proven track record in deploying AML/CFT risk models at Bradesco, developing investigative tools and automated pipelines at the Public Prosecutor’s Office of Paraná, and creating an award-nominated corruption investigation platform using Neo4j. Skilled in cloud and big data environments, leveraging Databricks, Apache Spark, AWS, containerized architectures, Python, and Linux to deliver reliable, compliant, and high-impact solutions.

Work Experience

Work Experience

  • Data Engineer II, Bradesco Bank

    Aug, 2024 - Present

    • Deployed Anti-Money Laundering and Countering the Financing of Terrorism (AML/CFT) risk rating models for millions of individual and corporate clients in compliance with Central Bank regulations.

    • Re-engineered and migrated machine learning models from on-premises to Databricks, improving performance by 4x, increasing maintainability, and streamlining operations.

    • Continuously monitored predictive models running in SAS and Databricks, identifying population shifts, drifts, and deviations from expected behavior.

    • Ensured reliability of production ML systems by resolving incidents and mitigating operational risks.

    • Streamlined data workflows between analytical systems while authoring and updating documentation for legacy platforms.

  • Data Engineer and Technical Lead, Public Prosecutor's Office of the State of Paraná (Ministério Público do Estado do Paraná)

    Dec, 2021 - Aug, 20242 years 9 months

    • Developed and maintained investigative tools for prosecutors using FastAPI (backend) and Angular (frontend).

    • Led teams of interns, providing technical training, conducting code reviews, and promoting a collaborative culture.

    • Directed the development of an accounting system for court-mandated financial reports by legal guardians, covering stakeholder workshops and UI/UX design in Figma to database modeling, frontend and backend.

    • Built and automated data pipelines with Apache Airflow and Spark, managed application containerization using Docker and Docker Compose, and modeled databases in Microsoft SQL Server and Neo4j.

    • Developed and maintained web scrapers to collect public records and other open data sources critical to investigative workflows.

  • Software Developer, Public Prosecutor's Office of the State of Paraná (Ministério Público do Estado do Paraná)

    Nov, 2019 - Nov, 20212 years 1 month

    • Developed a full-stack investigative application using R and Python with relationship graphs to analyze public procurement, electoral donations, and corporate ties.

    • Designed ETL pipelines for large-scale datasets covering millions of residents, companies, and their relationships, along with public procurement invoices, electoral records, and state bidding processes.

    • Built and operated an investigative platform that supported prosecutions across Paraná, providing access to hundreds of prosecutors in the institution.

    • Finalist in the 2021 CNMP Award, a nationwide competition across all State Public Prosecutor’s Offices in Brazil, with the project 'Donations Under the Lens' ('De Olho na Doação Eleitoral').

  • Software Developer Intern, AvaNuvem

    Oct, 2018 - Nov, 20191 year 2 months

    • Developed multiple software prototypes in a fast-paced startup environment, collaborating on innovative product concepts.

    • Built a mobile chatbot application with natural language processing and face recognition, featuring a frontend developed in Angular (Ionic 4).

    • Integrated AWS services including API Gateway, Lambda, DynamoDB, S3, and SQS to support scalable, serverless backend architectures.

  • Undergraduate Researcher, Universidade Federal do Paraná (UFPR)

    Jan, 2017 - Jan, 20181 year 1 month

    Conducted research on deep learning for embedded systems.

    • Undergraduate research in Deep Learning applied to Embedded Systems at the VRI (Vision, Robotics and Imaging) laboratory.

Education

Education

  • Data Science, Postgraduate Specialization (Lato Sensu), Universidade Tecnológica Federal do Paraná (UTFPR)

    Nov, 2022 - Jul, 2024

  • Computer Science, Bachelor's degree, Universidade Federal do Paraná (UFPR)

    Jan, 2016 - Dec, 2022

  • Electronics, Technical degree, Instituto Federal do Paraná - IFPR (Curitiba)

    Jan, 2013 - Dec, 2015

Certificates

Certificates

Awards

Awards

  • CNMP Award — Finalist , Conselho Nacional do Ministério Público (CNMP)

    Awarded on: Jan 01, 2021

    Finalist with the project 'De Olho na Doação Eleitoral'.