Vallum Associates
Data Analyst
⭐ - Featured Role | Apply direct with Data Freelance Hub
This role is for a Data Analyst with a contract length of "X months" and a pay rate of "$X/hour". Key skills include advanced SQL, data migration, ETL tools, and experience with large datasets and relational databases.
🌎 - Country
United Kingdom
💱 - Currency
£ GBP
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💰 - Day rate
Unknown
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🗓️ - Date
March 11, 2026
🕒 - Duration
Unknown
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🏝️ - Location
Unknown
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📄 - Contract
Unknown
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🔒 - Security
Unknown
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📍 - Location detailed
London Area, United Kingdom
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🧠 - Skills detailed
#Data Cleansing #Datasets #Data Quality #Data Analysis #Data Reconciliation #Microsoft Power BI #Data Mapping #Data Migration #Data Lineage #Data Profiling #Documentation #SQL (Structured Query Language) #SQL Server #Informatica #SSIS (SQL Server Integration Services) #"ETL (Extract #Transform #Load)" #Oracle #Database Querying #Data Extraction #Talend #Migration #BI (Business Intelligence) #Databases #Visualization
Role description
Key Responsibilities
Analyse and assess data structures across legacy and target systems.
Perform data extraction, transformation, and migration activities.
Conduct data cleansing, enrichment, and validation to ensure high data quality.
Identify and resolve data inconsistencies, duplicates, and quality issues.
Develop and maintain data mapping documentation between source and target systems.
Required Skills & Experience
Strong experience in data migration, data cleansing, and data transformation projects.
Advanced SQL and database querying skills.
Experience working with large datasets and relational databases (SQL Server, Oracle, etc.).
Strong data analysis and data profiling skills.
Experience with ETL tools (Informatica, Talend, SSIS, or similar).
Knowledge of data mapping, data lineage, and data reconciliation techniques.
Experience using Excel, Power BI, or data visualization tools for analysis and reporting.
Key Responsibilities
Analyse and assess data structures across legacy and target systems.
Perform data extraction, transformation, and migration activities.
Conduct data cleansing, enrichment, and validation to ensure high data quality.
Identify and resolve data inconsistencies, duplicates, and quality issues.
Develop and maintain data mapping documentation between source and target systems.
Required Skills & Experience
Strong experience in data migration, data cleansing, and data transformation projects.
Advanced SQL and database querying skills.
Experience working with large datasets and relational databases (SQL Server, Oracle, etc.).
Strong data analysis and data profiling skills.
Experience with ETL tools (Informatica, Talend, SSIS, or similar).
Knowledge of data mapping, data lineage, and data reconciliation techniques.
Experience using Excel, Power BI, or data visualization tools for analysis and reporting.
