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Posted Mar 31, 2026

Data Migration Engineer

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At Monument, we’re building a vertical software platform for the self-storage industry. This is a rare opportunity to reinvent a $30 billion market from the ground up. Monument is a B2B SaaS platform built specifically for the self-storage industry. Our comprehensive solution integrates every essential feature operators and third-party managers need to run their self-storage businesses — from customer acquisition and payment processing to inventory management, physical access, move-ins and move-outs, delinquency management, and advanced reporting and analytics. Monument was designed from the ground up for multi-facility operators and offers enterprise-grade features such as portfolio-wide automation, REIT-level revenue management, and GAAP-compliant accounting.  We are seeking a Senior Data Migration Engineer to lead customer data onboarding. Your core mission: migrate data, likely in flat file form, from competitor systems into our production relational database with high accuracy, speed, and minimal customer friction. Responsibilities: - Own the end-to-end migration workflow for new customers. - Design mapping strategies to transform competitor data into our unified schema. - Build and maintain migration tooling (scripts, internal apps, reusable templates). - Collaborate with Client Success and Product teams to resolve data discrepancies and edge cases. - Optimize and automate recurring migration tasks to drive scalability. - Diagnose and troubleshoot migration issues quickly and systematically. - Continuously refine best practices for schema evolution, error handling, and data validation. Required Candidate Profile - 5+ years of experience with data migrations (preferably SaaS customer onboarding or application migrations). - Strong skills working with flat files (CSV, TSV, JSON) and building custom ETL pipelines - Expertise in relational databases (MySQL preferred; Postgres or MariaDB also welcome) - Proficiency in TypeScript (preferred), JavaScript, or Python for scripting migrations - Hands-on experience with AWS services — especially, S3, and RDS/Aurora. - Solid understanding of data modeling, schema mapping, and relational constraints (e.g., foreign keys, transactional integrity) - Experience with Git and modern DevOps practices. - Strong communicator able to work across technical and non-technical teams. Nice-To-Have - Experience migrating production data into SaaS platforms. - Familiarity with AWS tools like Lambda, SQS/SNS, ECS - Exposure to NestJS and TypeORM ecosystems. - Experience using low-code platforms like Retool or Superblocks to build internal apps.