Data Analyst

Data Freelance Hub; Greater London; Hybrid; GBP 80,000 - GBP 100,000; Part time

Job summary

A leading data consultancy is seeking a Data Analyst for a 6-month contract based in London/Remote. The role requires strong experience in data transformation, ETL processes, and proficiency with PowerBI. Key responsibilities include defining target datasets, quantifying data quality issues, and documenting findings. This position offers a competitive daily rate of £370-420 (Umbrella only). Apply to join a team dedicated to transforming data quality and analytics.

Qualifications

• Strong data analyst experience with data transformation workstreams.
• Experience with ETL processes and data quality assessment.
• Proficiency in PowerBI for reporting and visualisation.

Responsibilities

• Define and validate meaning and shape of target datasets.
• Quantify data quality issues.
• Turn data anomalies into agreed business rules with stakeholders.
• Assess completeness, validity, consistency, and uniqueness of data.
• Contribute to defining entities and relationships in the target schema.
• Help to map legacy fields to target data definitions.
• Analyze duplicates and propose resolution options.
• Produce clear and decision-ready outputs.
• Create readable analytical notes detailing methods.

Skills

Data quality assessment

ETL processes

PowerBI experience

Tools

PowerBI

Job description

Overview

This role is for a Data Analyst with a 6-month contract, paying £370-420 per day, based in London/Remote. Key skills include data quality assessment, ETL processes, and PowerBI experience. Industry experience in data transformation is essential.

Contract & Location

Location: London / Remote, United Kingdom. Contract length: 6 months initially. Rate: £370-420 per day, Umbrella only. Inside IR35.

Responsibilities

• Define and validate meaning and shape of target datasets.
• Quantify data quality issues.
• Turn data anomalies into agreed business rules with stakeholders.
• Assess completeness, validity, consistency, and uniqueness; interpret what issues mean operationally/clinically.
• Contribute to defining entities, relationships, and the minimum viable dataset aligned to the target schema.
• Help to map legacy fields to target data dictionary definitions, identify ambiguous usage and propose standard definitions.
• Analyze duplicates, conflicts, and missing data and propose resolution options while documenting any trade-offs.
• Work with SMEs/BSOs/Trusts to agree handling of anomalies and confirm business meaning.
• Produce clear, decision-ready outputs (issue summaries, dashboards, reconciliation lists, sign-off packs).
• Experience with tools like PowerBI for reporting/visualisation of analytical findings.
• Create readable analytical notes detailing methods.

Qualifications

• Strong data analyst experience with data transformation workstreams.
• Experience with ETL processes and data quality assessment.
• Proficiency in PowerBI for reporting and visualisation.
• Ability to map legacy data to target data dictionary definitions and define standard definitions.
• Ability to work with stakeholders to define business meaning and rules.

What to expect

All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able to respond to successful applicants in the first instance. We thank you for your interest and the time taken to apply!

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