Contract: Sr. Analytics Engineer - Internal Data

Seeking to hire a Senior Analytical Engineer - Contractor based out of Mexico or Argentina for Keystone AI's Internal Data Team. We are looking for a Senior Analytics Engineer to join our data team. Reporting to the Hiring Manager, you will be responsible for applying data engineering best practices to analytics code to transform, test, and document data. You will provide clean and organized data sets to end users. You will be provide expert code reviews and mentorship to other engineers in the data space You will be responsible for building and maintaining composable data models, as well as optimizing SQL query performance for the models you build. You will transform raw data into business insights, working closely with stakeholders and developing analyses to answer critical business questions. You will create data visualizations and help stakeholders explore and understand the data visualization tools available to them. Why you'll love this role: Data Modeling and Transformation Build new analyses and support existing ones using SQL and Python. Apply software engineering principles like version control and continuous integration to the analytics codebase. Expand our data warehouse with clean data ready for analysis. Data Quality and Testing Apply advanced data testing strategies to ensure resulting datastores are aligned with expected business logic. Implement validation checks and automated testing procedures to manage data quality in your ETL/ELT pipelines. Collaboration and Communication Work with stakeholders to define business logic and data expectations. Help drive a change in the usage of data by actively surfacing insights to stakeholders. Lead initiatives and problem definition, scoping, design, and planning. Infrastructure and Automation Build tools and automation to run data infrastructure. Manage large-scale data migrations in relational datastores. Why you're a great fit: 8+ Years experience working with data in a software environment. Required Skills: Mastered proficiency in SQL and Python; advanced experience managing business semantic layer tooling, data catalog tooling and data integrity testing frameworks. Experience with dbt orchestration and best practices. You have a track record of working autonomously and proactively, with deep domain knowledge of data systems. Required Tech Stack: SQL, Python, relational datastores, DAG tooling (like Dagster or Airflow), dbt and Tableau. Experience with cloud-based infrastructure (AWS, GCP, Terraform) and document, graph, or schema-less datastores. Please note that given the nature of the contract, this role will not be eligible to participate in company-sponsored benefits About Keystone AI: Keystone AI is a leading education technology company dedicated to meaningful classroom learning for every student. We deliver integrated, AI-powered solutions designed to unlock student engagement, empower teachers, and drive meaningful learning outcomes. Our suite of products supports knowledge and skill development, writing practice, daily instruction, assessment, and data-informed decision-making across K–12 classrooms. Grounded in learning science research, Keystone AI’s solutions integrate content, assessment, and analytics to help educators track progress, understand student outcomes, and deliver high-impact instruction that supports every learner. #LI-Remote