Be part of Stefanini! Ensure the quality, consistency, and reliability of data delivered to clients through technical validation processes, applying knowledge of Python, statistics, and data structures. This role is critical to ensuring that processed files meet the standards defined by algorithms developed by third parties. At Stefanini, we are more than 30,000 geniuses, connected from 41 countries, doing what they love and co-creating a better future. **Responsibilities and Authorities** * Validate data files prior to delivery to clients, applying business rules and statistical criteria. * Execute and fine-tune validation algorithms developed by third parties. * Automate data review and cleaning processes using Python. * Identify inconsistencies, duplicates, missing values, and structural errors. * Generate quality reports and technical documentation of processes. * Collaborate with BI, development, and operations teams to ensure data integrity. **Requirements and Qualifications** * Professional degree in Statistics, Systems Engineering, Mathematics, or related fields. * Minimum 2–3 years of experience in data analysis and validation. * Solid knowledge of Python and libraries such as Pandas, NumPy, and SciPy. * Applied statistical fundamentals for data quality. * Experience in financial, insurance, or telecommunications sectors is desirable. * Ability to interpret algorithms and apply validation rules. * Excellent analytical and problem-solving skills. * Strong communication and collaboration skills. * Ability to work independently and within a team-oriented environment. * Attention to detail and commitment to delivering high-quality work. **Additional Information** Are you looking for a place where your ideas shine? With over 38 years of experience and a global presence, at Stefanini we transform tomorrow—together. Here, every action matters and every idea can make a difference. Join a team that values innovation, respect, and commitment. If you are a disruptive individual, committed to continuous learning, and innovation is in your DNA, then we’re exactly what you’re looking for. Come and let’s build a better future—together!