Senior Backend Software Engineer – Data Migration Platform

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Dwelly

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2023

🏠 Real Estate

🤝 B2B

💰 Seed on 2024-05

Real Estate • B2B

Dwelly is an acquisitions and succession-planning platform focused on independent UK lettings agencies. It offers free valuations, competitive cash-out offers, and tailored exit deals while preserving agency branding and client relationships. Dwelly runs a transparent, collaborative due diligence process and uses technology and AI to modernize operations post-acquisition, enabling owners to exit smoothly and profitably.

📋 Description

• Build an application that connects to external CRM systems used by acquired agencies, extracts relevant data, and prepares it for migration into Dwelly. • Work with APIs, exports, files, databases and poorly documented legacy systems. • Design workflows for cleaning, mapping, normalising, deduplicating, and validating complex CRM data before it enters Dwelly's core platform. • Build safe import flows with retries, audit logs, dry runs, error handling and manual review where needed. • Work with entities such as landlords, tenants, properties, tenancies, payments and maintenance records. • Use LLM APIs pragmatically for schema mapping, data classification, entity matching, exception triage and quality checks. • Own the platform end to end: architecture, implementation, testing, deployment and production support. • Work closely with engineering, product, operations and integration teams.

🎯 Requirements

• Strong backend engineering experience with Python. • Strong practical SQL skills. • Experience with data migration, ETL/ELT, data processing, system integrations or internal tools. • Production experience with FastAPI, Django, Flask or similar. • Experience integrating with external APIs and third-party systems. • Ability to work with messy, inconsistent or poorly documented datasets. • Good understanding of data modelling, mapping, validation, deduplication and safe import patterns. • Good understanding of database transactions, data consistency and production data workflows. • Experience with Linux, Docker and containerised development. • Practical experience using AI coding tools and/or LLM APIs. • Strong ownership mindset and ability to deliver independently under ambiguity. • Clear communication and ability to work closely with non-engineering stakeholders.

🏖️ Benefits

• Fully remote role. • Competitive compensation based on experience and impact. • Opportunity to work on high-leverage automation systems at the intersection of backend engineering, applied ML, data and real operational workflows. • Competitive salary with the potential for equity options based on performance, recognising exceptional contributions to our integration success.