Remote Data Quality Analyst — Migrations & Validation

Dwelly; Greater London; On-site; GBP 55,000 - 75,000; Full time

Benefits offered by this job

Fully remote role

Equity options

Competitive compensation

Job summary

Dwelly seeks a Data Quality Analyst to own validation and QA of data migrations into the platform. You will review CRM migrations before production, ensuring completeness, accuracy, and internal consistency with backend tooling and SQL-driven validation.

The role blends advanced SQL, data analysis, automated validation, and issue investigation to improve data quality and migration tooling. This is a fully remote position for a UK-based team.

Qualifications

• Strong SQL skills including joins, CTEs, aggregations, window functions.
• Experience validating production data or large migrations.
• Understanding of relational databases and data integrity.
• Experience investigating inconsistencies across large datasets.
• Design automated validation checks instead of manual inspection.
• Excellent analytical and problem-solving abilities.

Responsibilities

• Data Migration Validation: validate completeness and quality of CRM migration datasets.
• Production Data Quality: review updates and validate SQL scripts before execution.
• Data Integrity Verification: develop automated validation queries for issues.
• Migration Reconciliation: compare source exports with Dwelly data.
• Data Investigation: analyze unexpected results and drive root-cause analysis.
• Continuous Quality Improvement: improve validation tooling and processes.

Skills

SQL

Data Quality

Production Data Validation

Relational DBs

Automation

Data Investigation

Tools

PostgreSQL

MySQL

DuckDB

Git

dbt/SQLMesh

Job description

Dwelly seeks a Data Quality Analyst to own validation and QA of data migrations into the platform. You will review CRM migrations before production, ensuring completeness, accuracy, and internal consistency with backend tooling and SQL-driven validation.

The role blends advanced SQL, data analysis, automated validation, and issue investigation to improve data quality and migration tooling. This is a fully remote position for a UK-based team.