Rafael Matos, MSc.

Product Engineer

São Paulo, São Paulo, Brazil11 yrs 3 mos experience

Key Highlights

  • Expert in credit risk modeling and IFRS 9 compliance.
  • Proficient in end-to-end data science project development.
  • Strong background in quantitative finance and machine learning.
Stackforce AI infers this person is a Fintech expert with a strong focus on data science and credit risk modeling.

Contact

Skills

Core Skills

Data ScienceIfrs 9PythonMachine Learning

Other Skills

RAsset ManagementData AnalysisSQLMicrosoft ProjectMicrosoft ExcelMicrosoft PowerPointProject PlanningMechanical EngineeringEntrepreneurshipMaterialsCost Management5SFinite Element AnalysisProject Management

About

Lead data scientist with proven business experience in financial risk modeling. Mainly credit risk parameters (PD, LGD, EAD, expected loss itself as a unique parameter and unexpected loss/ economic capital) but also some incursion in market, liquidity, and operational risk. Also have experience with valuation techniques (cost-based, market-based and income-based - DCF - for tangible and intangible assets) and CRM modeling (MBA, MMM, recommendation systems, market segmentation, propension models). I work for Neon Pagamentos - one of the biggest Brazilian fintechs - on building ECL models according to IFRS 9 and the Central Bank of Brazil prescriptions, after working for Itaú Unibanco - the largest bank in Latin America - with the same scope of activities. Prior to that, I had a very intensive journey in the consulting and auditing support industry, where I could help clients of literally all (or almost all) economic sectors with financial and /or marketing issues, using quantitative approaches as a staff consultant (KPMG, PwC and Match). My background: I have a bachelor degree in mechanical engineering (Universidade Federal de São João del-Rei and Arizona State University) and a master of science degree in complex systems modeling (Universidade de São Paulo). My master thesis was "Transience and self-excitation in Brazilian mergers and acquisitions waves", where I worked with Markov switching models and Hawkes processes. Thus, I have also an academic trace. I am able to build end-to-end data science projects, from data gathering and storing to model deployment. I am well versed in multivariate statistics (frequentist and Bayesian), statistical learning, machine learning (including deep learning) and traditional methods of econometrics, optimization and operations research (e.g. numerical methods such as Monte Carlo or finite elements). I can code very well in Python, R, SQL, VBA/ Excel and I also have some experience with Mathematica, Matlab, SAS (language and environment), Teradata environment, Salesforce Marketing Cloud, Google Analytics, Google Cloud Platform (BigQuery, AI Platform) and Git/Github/Gitlab. I am fluent (native-like proficiency) in English (en-US), native in Portuguese (pt-BR), have intermediate proficiency in Spanish (es-ES) and I am working on German.

Experience

Mercado livre

Fintech Credit Risk Specialist - Staff Data Scientist

Mar 2026Present · 0 mo

Neon

2 roles

Lead Data Scientist - Provisions

Promoted

Aug 2024Mar 2026 · 1 yr 7 mos · São Paulo, Brasil · Remote

  • Leader/ focal point for Cost-of-Credit and Credit Capital;
  • End-to-end development and deployment of loss rate models and three-parameter (PD, LGD, EAD) models for expected credit losses according to IFRS 9 prescriptions (and Brazilian Central Bank's 4,966 and 352 Resolutions) for credit card, personal loans and payroll loans portfolios;
  • High-level ad hoc provision and profitability studies to define credit strategy;
  • Response to inquiries of auditors and regulators;
  • Conduction of training workshops for employees on IFRS 9 modeling methodology and awareness of the company about the pros and cons of this new provision strategy;
  • Technical support in the hiring process of data scientists and data engineers.
Data ScienceIFRS 9

Senior Data Scientist - Provisions

Oct 2023Aug 2024 · 10 mos · São Paulo, Brasil · Remote

  • Leader/ focal point for Cost-of-Credit and Credit Capital;
  • End-to-end development and deployment of loss rate models and three-parameter (PD, LGD, EAD) models for expected credit losses according to IFRS 9 prescriptions (and Brazilian Central Bank's 4,966 and 352 Resolutions) for credit card, personal loans and payroll loans portfolios;
  • High-level ad hoc provision and profitability studies to define credit strategy;
  • Response to inquiries of auditors and regulators;
  • Conduction of training workshops for employees on IFRS 9 modeling methodology and awareness of the company about the pros and cons of this new provision strategy;
  • Technical support in the hiring process of data scientists and data engineers.
PythonData Science

Itaú unibanco

2 roles

Senior credit portfolio management analyst

Apr 2023Oct 2023 · 6 mos

  • Credit portfolio quantitative analysis, segmentation and modeling using CRM, behavioral and financial risk/ return metrics in order to improve the retail allocation strategy of the bank.
PythonRAsset ManagementData AnalysisSQLData Science+1

Senior credit risk modeling analyst

Dec 2021Apr 2023 · 1 yr 4 mos

  • Development and support to deployment of expected and unexpected credit loss statistical models (PD, LGD, EAD, EL, Vol PD, UL/Economic Capital) for the whole Brazilian retail area of the bank;
  • First analyst of the bank to work on the ECL requirements for the 4.966 Resolution of the Brazilian Central Bank;
  • Compliance assessment of models with national and international accounting standards (IFRS 9, BRGAAP, 2682 BACEN Resolution);
  • Assistance to regulators (internal and external auditors);
  • Elaboration of papers and technical reports for high-level decision making, with high-value impact in the financial system.
PythonRData AnalysisSQLData ScienceMachine Learning

Argaussia

Chief Algebraist

May 2021Apr 2023 · 1 yr 11 mos · São Paulo, Brazil

  • Consulting, mentoring and training for quants and data scientists.
PythonRData AnalysisSQLData ScienceMachine Learning

Match | marketing + tech

Senior consultant in Data Science & Advanced Analytics

Nov 2020Dec 2021 · 1 yr 1 mo · São Paulo, Brazil

  • Development and deployment of machine learning models for various CRM fronts (MBA, MMM, recommendation systems, market segmentation, propension models);
  • Management of data projects with small teams of analysts, following the CRISP-DM methodology;
  • Preparation of commercial proposals;
  • Analytics Journal: conducted data science / data analysis training for the entire Data Services team;
  • Clients: telcos, sports goods, vehicle manufacturers, food industries, etc.
PythonRData AnalysisSQLData ScienceMachine Learning

Pwc brasil

Associate Risk Consultant

Jun 2019Nov 2020 · 1 yr 5 mos · São Paulo, Brazil

  • Consulting for credit risk and ECL modeling (credit scoring models, PD, LGD, EAD, EL);
  • Audit support consulting for compliance of credit impairment with standards IFRS 9 / CPC 48, USGAAP and BRGAAP;
  • Enterprise Risk Management: COSO ERM methodology for operational, reputational and strategic risk in order to assess business continuity;
  • Market & Liquidity risk;
  • Projects for large financial institutions (major banks in Brazil).
PythonRData AnalysisSQLData Science

Kpmg brasil

2 roles

Management & Valuation Consultant

Oct 2018Jun 2019 · 8 mos · São Paulo, Brazil

  • Mapping of Asset Management processes for CAPEX planning, according to ISO 55.000. KPI's analysis, risk heatmap, inventory optimization;
  • Fixed assets valuation (conservation state, useful lives and replacement values), basing on criteria defined by ASA (American Society of Appraisers), IBAPE (Brazilian Institute of Evaluation & Engineering Expertise) and standard ABNT 14.653. Machinery, Equipment and Real Estate;
  • Business Valuations of tangible and intangible assets, according to income, market and cost approaches, and following the prescriptions of Brazilian Accounting Pronouncements Committee (CPCs: 01, 04, 15, 27 and 46).
  • Conducted projects within clients in a wide range of industries (Food, Steel, Healthcare, Mechanical Components, etc). Trainee (Mar/2018-Oct/2018) and Jr. Consultant (Nov/2018-Jul/2019).
Data AnalysisSQL

Management Consulting Trainee

Mar 2018Sep 2018 · 6 mos · São Paulo, Brazil

Rede csf

Project Collaborator

Jun 2014Nov 2015 · 1 yr 5 mos · Brasil

  • Rede CsF is a group of high-performance students dedicated to improve the biggest exchange program of Brazil's Government - Ciencia sem Fronteiras (Science Without Borders), a.k.a. Brazilian Scientific Mobility Program.

Engineers without borders - são joão del rei

Co-founder and Chief Communication Officer (CCO)

Feb 2013Nov 2013 · 9 mos · São João del Rei e Região, Brasil

  • Engineers Without Borders (EWB) is a non-governmental organization (NGO) where engineering students can develop their capacity to assist poor communities in their respective countries and create a new generation of GLOBAL engineers.
  • http://esf-brasil.org/conteudo.php?t=nucleo_sao_joao_del-rei&id=95

Associação brasil-alemanha de desenvolvimento social (abads)

Teacher

Aug 2012Sep 2012 · 1 mo · São João del Rei e Região, Brasil

  • Teacher of Math, Physics and Chemistry for pre-university students.

Tutorial education program - "materials and technological innovation"

Member

Apr 2012Nov 2013 · 1 yr 7 mos · São João del Rei e Região, Brasil

  • The Tutorial Education Program (PET) group consists of a tutor professor and 12 students who are recognized as the top students of the Mechanical Engineering course at Federal University of São João Del Rei. The group is supported by the federal government. The primary activities include: scientific research, technical visits, study groups, working together with the faculty and volunteer work.
  • http://www.ufsj.edu.br/petmecanica/

Trem ki voa aerodesign/sae.

Intern at Department of Aerodynamics

Dec 2011Dec 2012 · 1 yr · São João del-Rei

  • Trem Ki Voa is a group of Aerodesign of UFSJ, supported by SAE. The main tasks of the Department of Aerodynamics are: study of the contact between foils and fluids, simulations using specific sotwares (XFoil, XFLR) and the drag polar calculus.
  • http://tremkivoa.com/

Total agroindústria canavieira s/a

2 roles

Cost Analyst

Jun 2010Jan 2011 · 7 mos · Bambuí

  • Classification of costs in mechanized operations and alocation in cost cores, using the Activity Based
  • Costing methodology. Preparation of data for management reports, interpretation with managers of the indicators of proficiency, like the cost by ton of CCT (Cut, Carrying and Transportation) and CTT (Cut, Transhipment and Transportation).

Administrative Assistant

Apr 2010Jun 2010 · 2 mos · Bambuí

  • Systematic registration and maintenance of the documentary collection of equipment, supply control of the fleet, control of expenses and payment of carriers using productivity criteria.

Flama promoções e eventos

Intern as Financial Assistant

May 2009Jul 2009 · 2 mos · Arcos e Região, Brasil

  • Control of payments, verification of balances by indicators like IGPM (General Index of Market Prices), data analysis, accounting, preparation of spreadsheets and forms to request funding.

Dcore interiores

Intern

Feb 2008Dec 2008 · 10 mos · Arcos e Região, Brasil

  • Supervised internship in DCORE Interiores, a simulated company of CESBRASIL network, which branch is interior decoration. Integrated Logistics, Foreign Trade, Finance and Accounting, Marketing and Advertising, and Purchasing Management, as a partial requirement for approval on Technical School of Management Training - ETFG / SEBRAE.

Education

USP - Universidade de São Paulo

Master's degree — Complex Systems Modeling

Apr 2019Oct 2021

Arizona State University

Mechanical & Aerospace Engineering

Jan 2014Jan 2014

Universidade Federal de São João del-Rei - UFSJ

Bachelor's degree — Mechanical Engineering

Aug 2011Dec 2017

Escola Técnica de Formação Gerencial - ETFG SEBRAE

Technical degree - Administration & Business

Jan 2007Jan 2009

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