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C6 Bank

Digital bank offering multi-currency accounts

Especialista de Teste de Estresse e Validação de Modelos - Riscos

Quantitative RiskPosted on Aug 25
Full-timeSão Paulo, State of São Paulo, BrazilNo salary listed

About the Job

Requirements

  • A completed undergraduate degree in Statistics, Mathematics, Economics, Engineering, Actuarial Science, Business Administration, or a related field.
  • Relevant experience in stress testing, model validation, model risk, or modeling.
  • Solid knowledge of statistics, econometrics, quantitative modeling, and model validation techniques.
  • Knowledge of integrated risk management, macroeconomic scenario analysis, financial projections, and prudential indicators.
  • Experience with model evaluation metrics, including backtesting, calibration, stability, discrimination, benchmarking, and sensitivity analysis.
  • Knowledge of Excel and experience with Python and SQL.
  • Ability to prepare technical documentation, validation opinions, and executive materials.
  • Availability to work on-site in the central region of São Paulo.

Responsibilities

  • Develop, improve, and execute the risk stress-testing framework and perform independent model validation, ensuring prospective risk identification and assessment, robust quantitative methodologies, and compliance with regulatory requirements and internal policies.
  • Coordinate and execute the stress-testing process, including defining scenarios, assumptions, methodologies, and projections, consolidating results, and preparing reports.
  • Develop and review macroeconomic and idiosyncratic scenarios that consider severe but plausible events and the institution’s key risk factors.
  • Assess scenario impacts on credit risk, market risk, interest rate risk in the banking book, liquidity risk, operational risk, and other material institutional risks.
  • Prepare executive analyses and materials for presentations to the Board of Directors, Risk Committee, and Board of Administration.
  • Ensure the quality, consistency, and traceability of data sets, assumptions, methodologies, and results used in the process.
  • Maintain technical documentation and evidence for stress-testing processes, methodologies, models, assumptions, and decisions.
  • Independently validate risk models while maintaining the required separation between development, use, and validation activities.
  • Assess models’ conceptual and methodological suitability, including assumptions, statistical methodology, segmentation, variable selection, sampling criteria, data treatments, and limitations.
  • Assess the quality, integrity, completeness, and representativeness of data sets used to develop, calibrate, and monitor models.
  • Evaluate model performance and predictive capacity using quantitative tests, including backtesting, benchmarking, stability analysis, discrimination, calibration, and other metrics appropriate to each methodology.
  • Identify model limitations, weaknesses, and risks, and classify findings according to materiality and impact.
  • Issue independent technical opinions concluding on model suitability and setting out recommendations, conditions, and, where applicable, restrictions on use.
  • Participate in model governance forums, present validation results, and inform decisions on model approval, implementation, modification, monitoring, or discontinuation.

About the Company

C6 Bank

Digital bank offering multi-currency accounts

C6 Bank is a Brazilian digital bank offering a full digital account with cards, transfers, and payments for individuals and businesses. Through a mobile app, customers manage their money and can use the C6 Global Account to hold and transact in dollars and euros. The bank differentiates itself by combining multi‑currency accounts, a no‑maintenance-fee PJ digital account with unlimited Pix, vehicle financing, toll and parking tag payments, and a broad loyalty program all in one ecosystem. Its goal is to be a digital‑first financial partner that simplifies everyday banking, international transactions, and business finance for people and companies.

Company size
5,001-10,000
Company stage
Debt Financing
Total funding
$405M
Headquarters
São Paulo, Brazil
Founded
2018

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