Advanced Analytics Specialist

Artefact Brasil is a dynamic organization that thrives on empathy and collaboration. We believe in creating an inclusive work environment where diverse voices are valued, respected, and heard.

We are seeking an exceptional Senior Data Scientist with Python/PySpark expertise to join our data team. As a key member of our analytics group, you will design, develop, and deploy scalable data products that drive business insights and strategic decisions.

• Design and implement end-to-end machine learning models, from data acquisition to production monitoring, ensuring seamless integration with our analytics platforms.
• Collaborate closely with data analysts, product managers, and engineers to translate complex business problems into actionable data-driven solutions.
• Develop and refine sophisticated data features from large-scale datasets to enhance model accuracy and business performance.
• Champion data quality and integrity, defining requirements for robust datasets necessary for advanced analytics and modeling.
• Monitor, analyze, and troubleshoot deployed model performance, addressing issues such as concept drift, data degradation, and performance bottlenecks.
• Provide technical leadership in applying statistical modeling, machine learning, and advanced analytics to tackle complex business challenges.
• Communicate complex methodologies, model findings, and strategic recommendations to both technical and non-technical stakeholders through clear documentation and presentations.
• Lead by example, fostering a culture of scientific rigor, experimentation, and continuous learning within the data science team.
• Mentor and coach junior data scientists and analysts, promoting their growth through code reviews, design discussions, and knowledge sharing.

Strong communication and interpersonal skills, with experience collaborating across multiple teams and levels of the organization.

• Demonstrated ability to balance hands-on technical delivery with mentoring and team enablement.
• Excellent problem-solving skills, with expertise in troubleshooting complex technical issues.
• Curiosity and passion for finding innovative solutions to complex problems, with a focus on understanding the entire value chain.
• Collaboration and knowledge sharing are essential, with a willingness to contribute to spreading information within Artefact.
• Entrepreneurial spirit, bringing new ideas and innovations to the table.
• Fluent English language skills, with the ability to communicate effectively in our international environment.

Practical experience with several tools and technologies in the modern data stack, including:

• Programming Languages: Strong skills in Python for data science (pandas, numpy, scikit-learn, pyspark)
• Cloud Data Platforms: Hands-on experience with at least one cloud platform (GCP, AWS, Azure, Databricks)
• Data Warehousing & Databases: Familiarity with tools such as PostgreSQL, SQL Server, BigQuery, Snowflake
• Machine Learning Models: Experience with supervised and unsupervised learning models
• MLOPS: Experience with MLOps tools such as Databricks, mlflow, AWS Sagemaker, Vertex AI
• Git code versioning workflow and platforms

• Competitive meal and transportation benefits
• Flexible work arrangements, including remote work options
• Gympass membership for access to gyms and wellness programs
• Comprehensive insurance coverage
• Semiannual reviews with opportunities for promotion

• Opportunity to build the future of the data field
• Progress and growth every day, with new challenges and learning opportunities
• A culture built on empathy and collaboration
• Entrepreneurial spirit, with a team of motivated innovators