The table below looks at the statistics for Big Data skills in IT contracts advertised for the Wales region. Included is a guide to the contractor rates offered in IT contracts that have cited Big Data over the 3 months to 26 September 2016 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
26 Sep 2016
Same period 2015 Same period 2014
Big Data
Rank 50 81 -
Rank change year-on-year
+31 -
Contract jobs citing Big Data 12 2 0
As % of all contract IT jobs located in Wales 1.92% 0.23% -
As % of the Database & Business Intelligence category 9.60% 0.70% -
Number of daily rates quoted 8 2 0
Median daily rate £375 £440 -
Median daily rate % change year-on-year
-14.77% -
UK excluding London median daily rate £450 £475 £450
% change year-on-year
-5.26% +5.55%
Number of hourly rates quoted 1 0 0
Median hourly rate £20.50 - -
UK excluding London median hourly rate £42.84 £33.33 -
% change year-on-year
+28.53% -
Big Data
UK

The following table is for comparison with the above and provides statistics for the entire Database & Business Intelligence category in contract jobs advertised in the Wales region.

Database & Business Intelligence Category
Wales
Contract IT job ads with a match in the
Database & Business Intelligence category
125 286 242
As % of all contract IT jobs located in Wales 20.00% 33.14% 31.15%
Number of daily rates quoted 92 223 153
Median daily rate £400 £350 £350
Median daily rate % change year-on-year
+14.28% -
90% offered a daily rate of more than £205 £250 £246
10% offered a daily rate of more than £574 £493 £450
UK excluding London median daily rate £375 £375 £350
% change year-on-year
- +7.14%
Number of hourly rates quoted 3 4 6
Median hourly rate £20.50 £29.50 £21.80
Median hourly rate % change year-on-year
-30.50% +35.32%
UK excluding London median hourly rate £36.07 £33.55 £22.50
% change year-on-year
+7.51% +49.11%

Big Data
Jobs Demand Trend in Wales

The demand trend of contract jobs across the Wales region citing Big Data as a proportion of all IT contracts with a match in the Database & Business Intelligence category.

Big Data Jobs Demand Trend in Wales

Big Data
Daily Rate Trend in Wales

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

Big Data Daily Rate Trend in Wales

Big Data
Daily Rate Histogram in Wales

This chart provides a histogram of daily rates quoted in contract IT jobs citing Big Data across the Wales region over the 3 months to 26 September 2016.

Big Data Daily Rate Histogram in Wales

Big Data
Hourly Rate Trend in Wales

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

Big Data Hourly Rate Trend in Wales

Big Data
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 Big Data within the Wales region over the 3 months to 26 September 2016. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location
(Click see detailed
statistics and trends)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
South Wales +34 12 £375 -14.77% 1
Big Data
UK

Big Data
Top 30 Related IT Skills in Wales

For the 6 months to 26 September 2016, IT contractor jobs citing Big Data also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Wales region with a requirement for Big Data.

1 9 (75.00%) SQL
2 8 (66.67%) Apache Spark
3 6 (50.00%) Linux
3 6 (50.00%) Java
3 6 (50.00%) Apache
4 5 (41.67%) ETL
4 5 (41.67%) OO
4 5 (41.67%) Software Engineering
4 5 (41.67%) NoSQL
4 5 (41.67%) HBase
5 4 (33.33%) Cloudera
5 4 (33.33%) Kafka
5 4 (33.33%) Agile Software Development
5 4 (33.33%) Python
6 3 (25.00%) Data Mining
6 3 (25.00%) SAS
6 3 (25.00%) JSON
6 3 (25.00%) Stata
6 3 (25.00%) GIS
6 3 (25.00%) ArcGIS
6 3 (25.00%) Machine Learning
6 3 (25.00%) R
6 3 (25.00%) Open Source
6 3 (25.00%) Text Mining
6 3 (25.00%) Analytical Skills
6 3 (25.00%) QGIS
6 3 (25.00%) Spatial Analysis
7 2 (16.67%) Security Cleared
7 2 (16.67%) Pentaho
7 2 (16.67%) Apache Hive

Big Data
Top Related 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 8 (66.67%) Apache Spark
2 6 (50.00%) Apache
3 3 (25.00%) ArcGIS
3 3 (25.00%) SAS
4 2 (16.67%) Apache Pig
Applications
1 3 (25.00%) Stata
2 1 (8.33%) MS Excel
Cloud Services
1 1 (8.33%) Amazon AWS
1 1 (8.33%) Amazon EMR
1 1 (8.33%) Amazon S3
1 1 (8.33%) AWS Lambda
Database & Business Intelligence
1 5 (41.67%) HBase
1 5 (41.67%) NoSQL
2 3 (25.00%) Data Mining
2 3 (25.00%) GIS
2 3 (25.00%) QGIS
2 3 (25.00%) Text Mining
3 2 (16.67%) Apache Hive
3 2 (16.67%) Hadoop
3 2 (16.67%) MongoDB
3 2 (16.67%) Pentaho
3 2 (16.67%) QlikView
4 1 (8.33%) BusinessObjects
4 1 (8.33%) DataStage
4 1 (8.33%) HPCC
4 1 (8.33%) OLAP
4 1 (8.33%) Oracle Database
4 1 (8.33%) Oracle OLAP
4 1 (8.33%) Spatial Data
4 1 (8.33%) SQL Server
4 1 (8.33%) Sqoop
General
1 1 (8.33%) Publishing
1 1 (8.33%) Telecoms
Job Titles
1 5 (41.67%) Developer
2 2 (16.67%) Big Data Developer
2 2 (16.67%) Data Scientist
2 2 (16.67%) Junior
2 2 (16.67%) Junior Data Scientist
2 2 (16.67%) Software Engineer
3 1 (8.33%) Analyst
3 1 (8.33%) Big Data Architect
3 1 (8.33%) Big Data Engineer
3 1 (8.33%) Data Analyst
3 1 (8.33%) Data Architect
3 1 (8.33%) Hadoop Architect
3 1 (8.33%) Hadoop Developer
3 1 (8.33%) Infrastructure Engineer
3 1 (8.33%) Java Developer
3 1 (8.33%) Java Engineer
3 1 (8.33%) Java Software Engineer
3 1 (8.33%) Senior Developer
3 1 (8.33%) Spatial Analyst
3 1 (8.33%) Statistical Analyst
Libraries, Frameworks & Software Standards
1 4 (33.33%) Kafka
2 3 (25.00%) JSON
3 1 (8.33%) ELK Stack
3 1 (8.33%) J2EE
3 1 (8.33%) jQuery
3 1 (8.33%) Web Services
Miscellaneous
1 3 (25.00%) Analytical Skills
2 1 (8.33%) Computer Science
2 1 (8.33%) Data Centre
2 1 (8.33%) Data Integration
2 1 (8.33%) Statistics
Operating Systems
1 6 (50.00%) Linux
2 1 (8.33%) Unix
2 1 (8.33%) Windows
Processes & Methodologies
1 5 (41.67%) ETL
1 5 (41.67%) OO
1 5 (41.67%) Software Engineering
2 4 (33.33%) Agile Software Development
3 3 (25.00%) Machine Learning
3 3 (25.00%) Open Source
3 3 (25.00%) Spatial Analysis
4 2 (16.67%) Business Intelligence
4 2 (16.67%) MapReduce
5 1 (8.33%) Analytics
5 1 (8.33%) Data Cleansing
5 1 (8.33%) Load Balancing
5 1 (8.33%) MVC
5 1 (8.33%) OOD
5 1 (8.33%) Performance Tuning
5 1 (8.33%) Predictive Analytics
5 1 (8.33%) Scrum
5 1 (8.33%) SDLC
5 1 (8.33%) Systems Analysis
5 1 (8.33%) TDD
Programming Languages
1 9 (75.00%) SQL
2 6 (50.00%) Java
3 4 (33.33%) Python
4 3 (25.00%) R
5 1 (8.33%) C
5 1 (8.33%) JavaScript
5 1 (8.33%) Perl
5 1 (8.33%) PHP
5 1 (8.33%) Scala
Qualifications
1 2 (16.67%) PhD
1 2 (16.67%) Postgraduate
1 2 (16.67%) Security Cleared
System Software
1 1 (8.33%) Apache Flume
1 1 (8.33%) HDFS
Systems Management
1 1 (8.33%) Hadoop YARN
1 1 (8.33%) Oozie
1 1 (8.33%) Puppet
Vendors
1 4 (33.33%) Cloudera
2 2 (16.67%) Oracle
3 1 (8.33%) Ab Initio
3 1 (8.33%) Actian
3 1 (8.33%) Cognos
3 1 (8.33%) Informatica
3 1 (8.33%) MicroStrategy
3 1 (8.33%) ParAccel
3 1 (8.33%) SAP
3 1 (8.33%) Splunk
3 1 (8.33%) Sybase
3 1 (8.33%) Tableau
3 1 (8.33%) Teradata
3 1 (8.33%) Zend