We are a **100% national** organization, passionate about creating Brazilian technology and focused on solutions and innovation. We develop ICT (Information and Communication Technology) solutions applied across multiple sectors, such as: telecommunications, agribusiness, finance, utilities, industry, smart cities, retail, and defense and security services. We believe that, through **Our Way of Being and Doing**, we will achieve sustainable results, contributing to the development of our people and society. Our values define our essence: who we are, what inspires us, and what makes us unique. They constitute **Our Way of Being.** **Institutional Values \- COCREATE:** **C**ollaboration **O**rientation toward the customer **C**onfidence **R**espect **I**nnovation **A**gility **R**esults Based on Our Way of Being, we define the competencies and behaviors that reflect, in practice, **Our Way of Doing** \- Leadership and Influence Capability, Integration and Cooperation, Active Listening, Ethics and Integrity, Emotional Intelligence, Curiosity and Learning, Digital Thinking, Systems Thinking, Resilience and Flexibility, Planning and Time Management, Value Generation, Data\-Driven Decision Making Do you identify with **Our Way of Being and Doing**? Then join us and **COCREATE** as part of our team as a **Researcher III!** **What will your day\-to\-day challenges be:** * Collect, clean, process, and perform exploratory analysis on large volumes of data; * Design, train, and validate statistical models, machine learning models, graph neural networks (GNNs), and other deep learning models for fraud detection; * Evaluate model performance using statistical metrics, identifying and correcting issues such as overfitting, underfitting, and algorithmic bias; * Apply sampling techniques, hypothesis testing, and statistical inference to support data\-driven decisions; * Document methodologies, experiments, results, and insights clearly and systematically; * Track cutting\-edge trends and research in applied statistics, machine learning, and data science; * Participate in technical and alignment meetings with development and business teams; * Drive continuous model improvement, including updates, recalibration, and performance monitoring; * Use machine learning frameworks such as Scikit\-learn and statistical analysis tools; * Collaborate with product teams and compliance/fraud specialists to translate typologies (fraud, AML, sanctions) into modeling problems; * Conduct applied research experiments, prototypes, and PoCs with new model architectures (including GNNs) and document outcomes. **We are looking for someone with:** * Completed undergraduate degree in IT, Engineering, Mathematics, Statistics, or related fields; * Solid knowledge of machine learning and artificial intelligence fundamentals; * Strong foundation in statistics and probability (linear models, regression, time series, classification, clustering); * Experience handling and analyzing structured data (Pandas, SQL, or similar tools); * Python programming and proficiency with its main libraries (NumPy, SciPy, Scikit\-learn, Statsmodels, Pandas, Matplotlib/Seaborn); * Familiarity with the CRISP\-DM methodology. **It would be great if you also have:** * Experience in predictive modeling applied to finance, risk, and anomaly detection; * Knowledge of time series and econometric models; * Familiarity with MLOps (MLFlow, Kubeflow, Airflow or similar); * Basic understanding of cloud computing (AWS, Azure or GCP); * Knowledge of AI ethics and bias concepts; * Experience with code versioning (Git); * Basic BI (Business Intelligence) knowledge; * Experience with agile methodologies (Scrum or Kanban). **CPQD offers:** * Daycare or babysitter allowance; * Unimed health insurance; * Uniodonto dental insurance; * Vidalink medication allowance; * Meal/voucher card; * Life insurance; * Pet health plan; * Vacation bonus above market standard; * Private pension plan; * WellHub; * Commuter shuttle service; * Free parking; * Payroll\-deducted loans; * Birthday day\-off; * Holiday bridging days; * Citizen company: extended maternity and paternity leave; * Postgraduate support program; * Partnerships and agreements: facilitating options in health, leisure, culture, and education; * Internal programs: focused on development and wellbeing. We are proud of who we are, and we believe this stems from our **diversity!** That’s why we invest in our Diversity, Equity & Inclusion program: **CPQD+**, strengthening our practices to ensure equal opportunity regardless of race, gender, age, religion, disability, or sexual orientation, and reaffirming our commitment to leveraging differences to foster an innovative, sustainable, and safe environment where everyone can reach their full potential. Join our team and Connect to the New. \#ConnectToTheNew \#Diversity \#Technology \#CPQD