Data Migration Specialist

Responsibilities

• Rapidly grasp existing PostgreSQL database schemas through code inspection and reverse engineering
• Build Python migration scripts to convert legacy notebooks to the new platform format
• Collaborate with Customer Success and Product teams to define migration requirements and acceptance criteria
• Develop migration tooling using Flask and FastAPI to handle data flow and API interactions
• Handle pickle file deserialization and data transformation logic
• Document the migration process, key decisions, and data mapping logic
• Create runbooks for executing migrations and handling common issues

Requirements

• 3+ years of professional software development experience
• 2+ years of experience working with Python in production environments
• Strong proficiency in PostgreSQL and complex data structures
• Experience with S3 or similar object storage services
• Proficiency with Git and collaborative development workflows
• Ability to reverse engineer and understand undocumented systems

Preferred Qualifications

• Experience with data migration or system modernization projects
• Background working with legacy systems or technical debt remediation
• Familiarity with Jupyter notebooks or similar computational environments
• Experience in startup or scale-up environments
• Knowledge of data serialization formats and their trade-offs

About the Company

CoreWeave is The Essential Cloud for AI™. Built for pioneers by pioneers, CoreWeave delivers a platform of technology, tools, and teams that enables innovators to build and scale AI with confidence.