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Fernando Figueiredo

Fernando Figueiredo

Data Specialist

MM Tech | Osasco, São Paulo, Brazil

Technologies

My Portfolio Highlights

My New Track

Microsoft Azure Fundamentals (AZ-900)

My New Track

Associate Data Engineer

My New Course

Intermediate Python

My New Track

Microsoft Azure Fundamentals (AZ-900)

Data Science | Open Finance | Big Data | Databricks | Azure | AWS | GCP | Spark | Python| BI | SnowFlake

My Work

Take a look at my latest work.

track

Associate Data Engineer

TheorySnowflakeRedshift
course

Data Warehousing Concepts

SQLTheoryBigQuery
course

Understanding Modern Data Architecture

SQLTheoryPower BI
course

AWS Concepts

ShellTheoryRedshift
track

Associate Data Engineer

TheorySnowflakeRedshift

My Certifications

These are the industry credentials that I’ve earned.

Other Certificates

Data Science Academy Data Engineer

Data Science Academy Big Data Foundation

Data Science Academy Data Governance

Data Science Academy Data Lake - Design, Project and Integration

Data Science Academy Analytics, Visualization, Reporting and make decision with Big Data

Data Science Academy Machine Learning and AI in Distributed environment

Data Science Academy Security and Data High Availability

Data Science Academy Data warehouses design and implementation

Udemy BI Super Academy 17 in 1

FIA Data Lab People Analytics

Data Science Academy Prompt Engineering with ChatGPT for Data Analytics and Data Science

Datacamp Intermediate SQL Server

Udemy Statistics Super Academy

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

Courses

Introduction to Python
Introduction to SQL
Understanding Artificial Intelligence
Intermediate Python

My Work Experience

Where I've interned and worked during my career.

outlier.ai | Dec 2024 - Present

AI Trainning

Training algorithms on the Outlier.ai platform, creating prompts, evaluating results, validating model behavior, classifying model responses, and informing researchers of hallucinations.
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Hands | Aug 2024 - Dec 2024

Data Engineering Specialist

Design and deploy, in partnership with Platform Engineer, architecture for big data processing with daily volumes of around 1.9 billion records using frameworks such as Hadoop, and Spark, plugged into the GCP cloud environment. Create the algorithms of the Geo Behavior Insights application that aims to monitor the movement of potential customers of major brands and retailers according to points of interest such as Hypermarkets, Airports, Multipurpose Arenas, Convention centers, football stadiums, train stations, subway, bus terminals, cosmetic stores, malls, automotive centers, parks among other points of interest to create data products such as number of visits to competitors, measure the flow of people at the point of interest, statistics for new points of sale using Python libraries such as sci-kit-learn, combined with BigQuery and ML algorithm for clustering of most visited locations, mapping of home and work as well as neighborhood, city and state of the identified device, which generates several business opportunities for customers, everything with CI/CD in GitLab and activating the both pipelines data and AI/ML to deliver the results and our customers speeding up their data-driven decision-making.

Santander Bank | May 2023 - Jul 2024

Specialist in Data Customer Solution

Responsible for creating, maintaining, and improving solutions for data use aimed at the satisfaction of internal and external customers of Santander, identifying business possibilities using legacy data, open finance, and data bureaus such as Serasa Experian, Boa Vista, B3, Brazil Central Bank and in partnerships with other business areas convert into solutions for customers of products such as Personal and Business Loans with and without consignment, Real Estate Financing, vehicular financing, credit cards upsell and fitting, increase credit limits according to our practices, bring external investors into our portfolio according to market readings, avoid churn through the analysis of transactions in other banks, provide books and algorithms for accelerating customer segmentations for the intervening areas.

Santander Bank | May 2022 - May 2023

Specialist in Data Quality Engineering

Responsible for structuring processes to analyze and ensure Data Quality of Accounts, Credit Card, Financing, Loans, Investing, Insurance, and Arrangement Credit APIs according to technical specifications from Open Finance using Azure Databricks tools such as Python, Spark, and SQL, when errors were found open issues to others finance institutions solve and retransmit these data fixed. Bring insights and possible opportunities to do business through the analysis of customers’ profiles according to their transactions, bank principality, credit cards with bad fit and purpose new offers for these customers. Support data governance team to catalog Open Finance data, specify Data quality rules for Informatica Data Governance Tool, create database clusters with organized and classified data for Marketing Business and Retail consume in campaigns, word cloud, KPIs Open Finance Data Business conversion, and create and support dashboards in Power BI. Development of Data Quality Books, BI reports, Data Quality KPIs, Books for Hypotheses Proof, Credit Card Basket Analysis and transactions, Loans, and financing books.

Porto Bank | Sep 2020 - Apr 2022

Data Engineering Specialist

Responsible for the design and development of data integration solutions and data pipelines that be used in making decisions using Cloudera Hadoop tools such as Hive, HBase, and Impala, development of case studies in Oracle, Python, or R to analyze data from People Analytics that results in HR KPIs, create data surveys to internal research, defend and explain the solutions in the Data committee and in case of non-approval, adapt or rebuild the solution to what is decided and agreed in the committee, development of ETL and ELTs to process, analyze and ingestion data, calculate storage capacity considering the growth company, prepare dataset loads, document and prepare metadata from source to scripts for creating tables and views, document tests evidence, data dictionaries and data flows models, and open Change requests to deploy data solutions and grant access to users consume information. Integrate and prepare data pipelines designed to ingest data from the Hadoop File System on-premises to GCP BigQuery or AWS Redshift.

Cetelem Bank - BNP Paribas Group | Apr 2019 - Aug 2020

SAS and CMR Specialist

Develop automatic processes using tools such as IBM Campaign, SAS Guide, and Linux Shell Script, to select, segment, and direct the audiences of The Cetelem Bank CRM campaigns aiming to improve the efficiency of sales and growth of the portfolios of payroll loan products, personal loan, self-financing, assistance, insurance and credit cards, control and monitoring of the CRM communication rules, analyze campaigns results. Analyze partner's performance in customer conversion mailing, through Agile purpose stories for the continuous improvement of CRM processes, analyze campaign problems with internal customers, and propose how to solve them. Develop and maintain the “PromoInterests” bot that captures customers' loan simulations and post analysis of the bank's credit parameters, informing the financing fees can be reduced.

Robert Half | Feb 2019 - Apr 2019

Oracle and Strategy BI Specialist

Develop using tools such as MicroStrategy 10.7 and Oracle 11g, construction of dossiers, dashboards, and templates of sales indicators, activations, cancellations, billing, and revenue of financial products of Banco Carrefour. Provide insights for decision-making, targeting and improving the strategy and positioning of insurance products, and improving and growing the customer portfolio to achieve the stipulated goals. Field research in bank stores to understand customer pains and create solutions to remedy them.

Chubb Insurances | Sep 2017 - May 2018

Information Coordinator

Reporting to the Operations Manager, being responsible for commercial and financial information and integration with parent company support systems for operations, generating and keeping commercial reports, claims, assistance areas, LATAM BI, with a team of 11 analysts. Idealization of the Enterprise project: improvement of affinity processes and better management of the control of the needs and capabilities of the team. Implementation of Pre-Processing, resulting in reduction of sales processing errors, and creation of Dashboards and availability of reports of MicroStrategy v10 to managers and sponsors. Maintenance and provisioning of quantitative and financial control reports with the commercial area, and local and overseas partners. Chubb Digital project phased migration from batch processing to online from major retail, insurance, and service players. Implementation, reporting, and publication of KPI control monthly, processing errors for LATAM teams using MicroStrategy v10.7.

SKY | May 2016 - Aug 2017

DBM Specialist

Responsible for creating preventive models for the analysis of invoiced services and billing to prevent failures before the bill process charge. Preventive data analysis of revenue variations before provisioning. Data collection to support previous and emergency decisions, market studies, measurement of financial impacts, gathering information for marketing actions, and reduction of printing and posting costs. Continuous process improvement using SAS scripts for validation of hard and probabilistic rules.

Claro SA | Aug 2008 - Dec 2015

Data Specialist

Data Specialist - Responsible for managing the Billing Validation Cell, Products, and Promotions, development of preventive controls based on data, and reporting of Billing KPIs via Dashboards. Consolidation and dissemination of improvement and earnings actions of the teams of the Billing Validation Cell and AMDOCS Correction Cell. Represent billing in the inter-improvement committee areas with Marketing, Customer Service, IT, and Revenue Assurance and integration of War Room teams to mitigate chain failures that affect customer satisfaction. Conduct and Implementation of the Zero Error Invoice Project in May/2014 brought the possibility of corrections of pre- and post-billing failures avoiding the issuance of invoices with errors reaching customers.  Implementation of Amdocs correction cell in August/2013, enabling to hire of 3 resources for corrections and development of tools for improvements in the integrations of CRMs making the reconciliation of the installed park of customers and automation of manual processes.  Creation and implementation of Promotional Controls in October/2013, which mitigated several failures of customer activations and reduction of calls in the service of both. Senior - Management of the Quality Assurance team of CRM AMDOCS, in the Rating and Billing modules. Creation and implementation of Oracle PL/SQL scripts to mitigate procedural errors that bring losses to Claro and its customers, as well as customer lifecycle management based on their contracted product histories and revenues generated.  Creation and implementation of the Offer Expiration project in May/2012, which enabled the correction of thousands of activations of Control and Broadband customers who would receive eternal promotional benefits.  Control of Systemic Incidents of impact in Billing through Microsoft SharePoint. Middle - Create audit methods and data quality to validate and avoid errors in the hiring of postpaid plans of Claro's customers.  Automated billing validation processes via MySQL and Oracle PL/SQL that were performed visually by PDF analysis.

Ericsson Management and Services Brazil Ltda | Nov 2005 - Feb 2008

System Integrator Analyst

Integration of Billing Mediator BMP 5.0 systems, monitoring mission critical environment - telephone exchanges, Unix and Telecom Jobs automation,  Implement systemic improvements in the mediation systems at Telefonica São Paulo, including the creation, updating, and correction of procedures in the D-Control application/ Oracle Database.  Support and Assurance of Files Transmission to the Telefonica Billing Systems.

My Education

Take a look at my formal education

IT Management in IT Management, Projects, Marketing, Administration, BI, Digital Law, Finance ManagementIBTA | 2009
Information Systems in Systems Analysis, Project Management, Software Engineering, Data Analysis, Network AnalysisOswaldo Cruz College | 2005

About Me

Fernando Figueiredo

I am a data professional with more than 20 years of experience working in various segments like Banks, Telecommunications Companies, and Insurance Companies, delivering data analysis and rich insights to support teams making decisions.

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