Senior Data Engineer: Open-source Transit Data Infrastructure Save

We're seeking a Senior Data Engineer to lead our growing practice building modern open-source data infrastructure for public transit agencies. This role will spearhead the implementation of modern data stacks that enable agencies to better collect, analyze, and leverage their operational data. You'll work at the intersection of public transit and cutting-edge data engineering, helping to modernize critical public services.

This role is open to both full-time W2 employment and freelancers with full-time availability

• Enable analysts to efficiently report key operational metrics like on-time vehicle performance
• Lead deployment of modern data stacks for transit agencies, modeled after our successful open-source work at Cal-ITP
• Partner with client engineers and business users to understand needs and document solutions
• Mentor and upskill analysts and engineers through pairing and code reviews
• Improve developer experience through documentation, CI/CD, and tool-building
• Design and implement data warehouse architectures and data pipelines
• Build and maintain dbt-based analytics transformation pipelines
• Contribute to open-source projects and maintain public repositories
• Collaborate with Jarvus’s lead data engineer and data and analytics engineers assigned to other projects to evolve a cohesive set of practices across transit and other data projects
• Help shape the future of transit data infrastructure

• Comfort being client-facing in multi-stakeholder environments and representing both your team and technical considerations to mixed audiences
• Deep expertise in modern serverless data warehouse / data lakehouse architectures
• Strong experience with DAG-based data orchestration in Python
• Proven track record building and maintaining dbt-based analytics transformation pipelines
• Strong written and verbal communication skills for technical and non-technical audiences
• Experience documenting complex technical solutions and approaches
• Demonstrated ability to mentor and upskill other engineers
• Track record of improving developer experience through tooling and automation
• Passion for applying technical skills to improve public services

• Experience with Dagster
• Experience maintaining public repositories and contributing to open source
• Background working with geographic or transportation data
• Familiarity with transit agency operations and systems
• Previous experience working with public sector clients