Data Migration Specialist
Coreweaveu
London · Onsite · Full Time
Posted
Job description
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. Trusted by leading AI labs, startups, and global enterprises, CoreWeave combines superior infrastructure performance with deep technical expertise to accelerate breakthroughs and turn compute into capability. Founded in 2017, CoreWeave became a publicly traded company (Nasdaq: CRWV) in March 2025. Learn more at www.coreweave.com . We're proud to be a Living Wage accredited Employer. What You’ll Do: The Monolith AI Platform Engineering Team at CoreWeave is responsible for transitioning existing client environments to Monolith AI’s next-generation platform, maintaining the high velocity needed to support a rapidly growing customer base. This team works closely with Customer Success and Product to ensure migrations are accurate, meet defined business requirements, and are delivered at scale. About the Role: Monolith AI is seeking a talented Software Developer for an intensive 3-month migration project transitioning existing client environments to our next-generation platform. This role requires a developer who excels at rapidly understanding undocumented systems, extracting clarity from complex database structures, and building practical migration tooling in Python. You’ll work closely with our 15-person technical team (currently doubling), collaborating extensively with Customer Success and Product to ensure migrations meet defined business requirements while maintaining high velocity. In this role, you will: Rapid System Understanding Quickly grasp existing PostgreSQL database schemas through code inspection, team discussions, and reverse engineering Understand new platform database architecture and how legacy data maps to the new structure Work with pickle files and S3 object storage to understand serialized data structures Extract clarity from poorly documented legacy systems through hands-on investigation Cross-Functional Requirements Gathering Collaborate with Customer Success to understand client migration requirements and acceptance criteria Partner with Product team to define and iterate on what constitutes acceptable migration outcomes Balance technical constraints with business needs to establish pragmatic migration standards Clarify ambiguous requiremen…