Data Migration Specialist

Position Overview

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.

◦ Quickly grasp existing Postgre

SQL 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

◦ 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 requirements and drive decisions on edge cases and trade-offs

workflows

◦ Work with the existing team to learn system behavior through discussions and

knowledge transfer

◦ Identify how legacy data structures distribute across new platform tables and storage

◦ Build Python migration scripts to convert legacy notebooks to the new platform

format

◦ Work with Flask and FastAPI layers to understand API interactions and data flow

◦ Handle pickle file deserialization and data transformation logic

◦ Implement validation against defined Customer Success requirements (not 100%

data integrity)

◦ Maintain rapid project pace with tight 3-month timeline

◦ Provide frequent progress updates to the tech lead on development speed and

blockers

◦ Proactively communicate risks, timeline concerns, and decision points

◦ Make pragmatic technical decisions that balance quality with delivery speed

◦ Test migration outputs against Customer Success acceptance criteria

◦ Validate migrated notebooks meet defined business requirements

◦ Identify and communicate gaps between migration output and requirements for

product decisions

◦ Document the migration process, key decisions, and data mapping logic

◦ Create runbooks for executing migrations and handling common issues

◦ Transfer knowledge primarily through discussions with the existing team

◦ Prepare materials enabling team to execute and troubleshoot migrations post-contract

◦ Successfully validate migrated notebooks against agreed-upon business requirements

◦ Meet aggressive 3-month delivery timeline for functional migration tooling

◦ Maintain high velocity while communicating openly about progress with tech lead

◦ Successfully partner with Customer Success and Product to clarify and iterate on

migration criteria

◦ Drive timely decisions on requirements and edge cases to avoid project delays

◦ Produce clean, maintainable Python code that the team can support post-contract

◦ Create clear documentation enabling team execution of migration processes

◦ Provide consistent progress updates and flag blockers early

◦ Successfully transfer migration knowledge to existing team through discussions and

documentation

Experience

• 3+ years of professional software development experience

• 2+ years working with Python in…