Period
to 23 June 2018

The following table provides summary statistics for contract job vacancies advertised in Wales with a requirement for Data Cleansing skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Data Cleansing over the 6 months to 23 June 2018 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Data Cleansing (Data Cleaning, Data Scrubbing)
UK > Wales
6 months to
23 Jun 2018
Same period 2017 Same period 2016
Rank 92 87 93
Rank change year-on-year -5 +6 +6
Contract jobs citing Data Cleansing 13 7 6
As % of all contract IT jobs advertised in Wales 0.88% 0.53% 0.48%
As % of the Processes & Methodologies category 1.02% 0.62% 0.58%
Number of daily rates quoted 6 7 4
Wales median daily rate £383 £320 £350
Median daily rate % change year-on-year +19.53% -8.57% -12.50%
10th Percentile £205 £165 £313
90th Percentile £440 £343 £388
UK median daily rate £425 £414 £415
% change year-on-year +2.72% -0.30% +3.75%
Number of hourly rates quoted 0 0 0
Wales median hourly rate - - -
UK median hourly rate £15.00 £16.31 £15.25
% change year-on-year -8.05% +6.97% -42.45%

Data Cleansing is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Wales with a requirement for process or methodology skills.

All Process and Methodology Skills
Wales
Contract vacancies with a requirement for process or methodology skills 1,277 1,127 1,031
As % of all contract IT jobs advertised in Wales 86.64% 85.38% 82.61%
Number of daily rates quoted 924 809 715
Wales median daily rate £400 £388 £375
Median daily rate % change year-on-year +3.23% +3.33% +2.74%
10th Percentile £283 £185 £218
90th Percentile £550 £538 £515
UK median daily rate £450 £438 £425
% change year-on-year +2.86% +2.94% +6.25%
Number of hourly rates quoted 41 82 53
Wales median hourly rate £18.87 £25.75 £17.00
Median hourly rate % change year-on-year -26.72% +51.47% +21.99%
10th Percentile £11.17 £13.00 £10.33
90th Percentile £40.00 £77.50 £61.00
UK median hourly rate £21.73 £25.00 £25.00
% change year-on-year -13.08% - +16.28%

Data Cleansing
Job Vacancy Trend in Wales

Job postings citing Data Cleansing as a percentage of all IT jobs advertised in Wales.

Job vacancy trend for Data Cleansing in Wales

Data Cleansing
Contractor Daily Rate Trend in Wales

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Data Cleansing in Wales.

Contractor daily rate trend for Data Cleansing in Wales

Data Cleansing
Contractor Daily Rate Histogram in Wales

The daily rate distribution of IT jobs citing Data Cleansing in Wales over the 6 months to 23 June 2018.

Contractor daily rate histogram for Data Cleansing in Wales

Data Cleansing
Contractor Hourly Rate Trend in Wales

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Data Cleansing in Wales.

Contractor hourly rate trend for Data Cleansing in Wales

Data Cleansing
Contract Job Locations in Wales

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Data Cleansing within the Wales region over the 6 months to 23 June 2018. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
South Wales -9 13 £383 +19.53% 5
Data Cleansing
UK

For the 6 months to 23 June 2018, IT contractor jobs citing Data Cleansing also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Wales region with a requirement for Data Cleansing.

1 9 (69.23%) SQL
1 9 (69.23%) SQL Server
1 9 (69.23%) Migration
2 7 (53.85%) ETL
2 7 (53.85%) Data Migration
3 6 (46.15%) T-SQL
3 6 (46.15%) Data Deduplication
4 5 (38.46%) Degree
5 4 (30.77%) Visualisation
5 4 (30.77%) Python
5 4 (30.77%) Workflow
5 4 (30.77%) Data Lineage
5 4 (30.77%) PySpark
5 4 (30.77%) Data Science
5 4 (30.77%) Data Visualisation
5 4 (30.77%) Data Transformation
6 3 (23.08%) Jupyter
6 3 (23.08%) Self-Motivation
6 3 (23.08%) Data Quality
6 3 (23.08%) SQL Server Integration Services
6 3 (23.08%) Statistics
7 2 (15.38%) Office 365
7 2 (15.38%) Cloudera
7 2 (15.38%) Data Modelling
7 2 (15.38%) NHS
7 2 (15.38%) Finance
7 2 (15.38%) Microsoft Excel
7 2 (15.38%) User Stories
7 2 (15.38%) BPSS Clearance
7 2 (15.38%) Disclosure Scotland

Data Cleansing
Co-occurring IT Skills in Wales by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 3 (23.08%) Jupyter
Applications
1 2 (15.38%) Microsoft Excel
2 1 (7.69%) MS Visio
Cloud Services
1 2 (15.38%) Office 365
2 1 (7.69%) Microsoft Azure
Communications & Networking
1 1 (7.69%) SMS
Database & Business Intelligence
1 9 (69.23%) SQL Server
2 3 (23.08%) SQL Server Integration Services
3 1 (7.69%) SQL Server Reporting Services
General
1 2 (15.38%) Finance
Job Titles
1 6 (46.15%) Data Manager
1 6 (46.15%) Data Migration Manager
1 6 (46.15%) Migration Manager
2 4 (30.77%) Developer
2 4 (30.77%) Python Developer
3 2 (15.38%) Data Cleanser
4 1 (7.69%) Analyst
4 1 (7.69%) Data Analyst
4 1 (7.69%) Data Migration Lead
4 1 (7.69%) Data Scientist
Libraries, Frameworks & Software Standards
1 4 (30.77%) PySpark
Miscellaneous
1 3 (23.08%) Self-Motivation
2 2 (15.38%) NHS
3 1 (7.69%) Data Structures
Processes & Methodologies
1 9 (69.23%) Migration
2 7 (53.85%) Data Migration
2 7 (53.85%) ETL
3 6 (46.15%) Data Deduplication
4 4 (30.77%) Data Lineage
4 4 (30.77%) Data Science
4 4 (30.77%) Data Transformation
4 4 (30.77%) Data Visualisation
4 4 (30.77%) Visualisation
4 4 (30.77%) Workflow
5 3 (23.08%) Statistics
6 2 (15.38%) Data Modelling
6 2 (15.38%) User Stories
7 1 (7.69%) Data Mapping
7 1 (7.69%) Performance Tuning
7 1 (7.69%) UML
7 1 (7.69%) Use Case
7 1 (7.69%) Validation
Programming Languages
1 9 (69.23%) SQL
2 6 (46.15%) T-SQL
3 4 (30.77%) Python
4 2 (15.38%) R
Qualifications
1 5 (38.46%) Degree
2 2 (15.38%) BPSS Clearance
Quality Assurance & Compliance
1 3 (23.08%) Data Quality
2 2 (15.38%) Disclosure Scotland
Vendors
1 2 (15.38%) Cloudera
2 1 (7.69%) Casewise
2 1 (7.69%) Microsoft
2 1 (7.69%) Oracle