Senior Software Engineer – Python, dbt & BigQuery

Tenarai is seeking a Senior Software Engineer to work on a project building an open-source plugin that allows data teams to define BigQuery graph databases using configuration files and deploy them via dbt. The role involves developing in Python, working with BigQuery, and contributing to dbt Core extensions.

• Bachelor’s degree in Computer Science, Software Engineering, or related field, or equivalent experience
• At least 5 years of software development experience
• Strong proficiency in Python packaging, testing (pytest), and validation
• Extensive hands-on experience with dbt Core
• Experience building custom dbt materializations, Jinja macros, and package integrations
• Strong SQL proficiency including complex aggregations, window functions, and schema modeling
• Deep production experience with Google Cloud BigQuery
• Strong analytical skills with ability to research and translate technical specifications into backlogs and architectural designs

Nice to have:

• Hands-on experience with metric/semantic layers such as LookML, dbt MetricFlow, Cube, or Snowflake/Databricks metric features
• Experience with Property Graph queries, ISO GQL, SQL, or graph database engines
• Experience with CI/CD tools
• Experience with declarative schema compilers like YAML/JSON validation via Pydantic
• Active participation or maintainer status within open-source data communities

• Research and compare semantic and metric modeling capabilities of Looker, dbt (MetricFlow), Snowflake, and Databricks
• Deliver a prioritized backlog of BigQuery measure features
• Build a repository of real-world samples and source links
• Build, publish, and maintain an open-source dbt package for BigQuery Graph materialization
• Develop reference CI/CD pipelines using GitHub Actions and GitLab CI
• Create pipelines that parse, validate, and deploy BigQuery graphs defined in declarative YAML formats
• Create high-quality developer documentation, reference implementations, and tutorials
• Support community adoption of BigQuery Graphs and Measures
• Research competitive products and technologies related to semantic and metric modeling

Must possess a legal work permit in Poland