Ad Operations manager

Info on the Senior Data Scientist role Ubiminds is a GPTW-certified, people-first company that partners with American software product companies to scale their development footprint. Ubi custom-curates Brazilian top 5% talent for their LATAM strategy, offering a unique combo of staff augmentation and employer-of-record services. Ubiminds is assisting a fast-growing, data-driven company operating in the financial services and insurance industry. They are expanding their data science capabilities to drive strategic decision-making, improve customer experience, and develop predictive models that support business growth.   Challenge We’re looking for a Senior Data Scientist to help design and implement data-driven solutions that support key business initiatives. In this role, you will work closely with business stakeholders, product teams, and engineering partners to translate complex business problems into analytical frameworks and predictive models. You will apply statistical techniques, machine learning algorithms, and advanced analytics to generate insights and build models that influence strategic decisions. The ideal candidate enjoys working at the intersection of data science, business strategy, and experimentation, helping organizations become truly data-driven.   Responsibilities Design and implement predictive models and statistical analyses to support business initiatives. Apply supervised and unsupervised machine learning techniques to solve problems such as customer segmentation, churn prediction, and behavioral analysis. Partner with business stakeholders to frame analytical problems and translate them into actionable insights. Prepare, clean, and transform large datasets to support modeling and advanced analytics. Develop and maintain reproducible analytical workflows using Python, R, SQL, or similar tools. Build dashboards and analytical reports that help communicate results and support decision-making. Evaluate model performance and continuously improve models through experimentation and statistical validation. Promote a data-driven culture across the organization by educating stakeholders on analytical methodologies. Collaborate in cross-functional teams working in agile environments.     In order to succeed in this position, you will need   Mandatory skills 5+ years of experience working with data analysis, statistics, or data science. Strong background in statistical modeling and machine learning techniques (e.g., regression, clustering, PCA, random forest). Experience working with large datasets and customer analytics. Proficiency in Python, R, and SQL for data analysis and modeling. Experience using statistical tools such as SAS, RStudio, or Jupyter Notebooks. Strong knowledge of data preparation, feature engineering, and model validation techniques. Ability to translate business problems into analytical solutions. Experience working in data-driven organizations and communicating insights to business stakeholders. Strong analytical thinking and problem-solving skills. Nice to Have   Familiarity with customer lifecycle analysis, churn modeling, or marketing analytics. Experience building data pipelines or centralized data models. Knowledge of A/B testing and statistical significance testing. Experience working in Agile/Scrum environments. Exposure to big data environments or cloud-based analytics platforms. Perks and Benefits As Senior IOS Developer @Ubiminds, you: • Are placed in a product-based company, with the same treatment as their full-time employees. • Have our full back-office support, from career guidance to HR and concierge services. • Enjoy our remote-first policy – we are a distributed team, after all. • Get your own MacBook (none of that "bring your own device" stuff here). • Have access to growth opportunities with other amazing technology professionals, through tech talks, chapter meetings, and even remote happy hours for tons of fun! • Improve your English through free lessons with a native En