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 9 December 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
9 Dec 2016
Same period 2015 Same period 2014
Big Data
Rank 65 67 78
Rank change year-on-year
+2 +11
Contract jobs citing Big Data 14 5 2
As % of all contract IT jobs located in Wales 1.74% 0.72% 0.28%
As % of the Database & Business Intelligence category 5.62% 2.19% 0.81%
Number of daily rates quoted 13 3 1
Median daily rate £525 £375 £350
Median daily rate % change year-on-year
+40.00% +7.14%
UK excluding London median daily rate £489 £468 £475
% change year-on-year
+4.54% -1.57%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £42.92 £54.50 £37.50
% change year-on-year
-21.24% +45.33%
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
249 228 247
As % of all contract IT jobs located in Wales 30.97% 33.04% 34.21%
Number of daily rates quoted 186 181 156
Median daily rate £450 £358 £350
Median daily rate % change year-on-year
+25.87% +2.14%
90% offered a daily rate of more than £200 £300 £225
10% offered a daily rate of more than £625 £475 £450
UK excluding London median daily rate £400 £387 £363
% change year-on-year
+3.35% +6.75%
Number of hourly rates quoted 8 5 2
Median hourly rate £57.50 £30.00 £14.25
Median hourly rate % change year-on-year
+91.66% +110.52%
90% offered a hourly rate of more than £32.50 £22.76 £14.05
10% offered a hourly rate of more than £61.00 £40.00 £14.45
UK excluding London median hourly rate £38.00 £25.00 £33.50
% change year-on-year
+52.00% -25.37%

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 9 December 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 9 December 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 +13 14 £525 +39.07% 1
Big Data
UK

Big Data
Top 30 Related IT Skills in Wales

For the 6 months to 9 December 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 14 (58.33%) Java
1 14 (58.33%) Agile Software Development
2 10 (41.67%) SQL
2 10 (41.67%) Apache Spark
3 9 (37.50%) TDD
4 8 (33.33%) Linux
4 8 (33.33%) Scala
4 8 (33.33%) NoSQL
5 7 (29.17%) HBase
5 7 (29.17%) Relational Database
6 6 (25.00%) Cloudera
6 6 (25.00%) Hadoop
6 6 (25.00%) Software Engineering
6 6 (25.00%) Apache
6 6 (25.00%) Python
7 5 (20.83%) ETL
7 5 (20.83%) OO
7 5 (20.83%) Kafka
7 5 (20.83%) MapReduce
7 5 (20.83%) Apache Hive
7 5 (20.83%) MongoDB
7 5 (20.83%) Apache Pig
8 4 (16.67%) HDFS
8 4 (16.67%) R
8 4 (16.67%) Machine Learning
8 4 (16.67%) Open Source
9 3 (12.50%) Business Intelligence
9 3 (12.50%) SAS
9 3 (12.50%) Oracle
9 3 (12.50%) GIS

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 10 (41.67%) Apache Spark
2 6 (25.00%) Apache
3 5 (20.83%) Apache Pig
4 3 (12.50%) ArcGIS
4 3 (12.50%) SAS
Applications
1 3 (12.50%) Stata
2 1 (4.17%) MS Excel
Cloud Services
1 2 (8.33%) Amazon AWS
2 1 (4.17%) Amazon EMR
2 1 (4.17%) Amazon S3
2 1 (4.17%) AWS Lambda
Communications & Networking
1 2 (8.33%) Kerberos
Database & Business Intelligence
1 8 (33.33%) NoSQL
2 7 (29.17%) HBase
2 7 (29.17%) Relational Database
3 6 (25.00%) Hadoop
4 5 (20.83%) Apache Hive
4 5 (20.83%) MongoDB
5 3 (12.50%) GIS
5 3 (12.50%) QGIS
5 3 (12.50%) Text Mining
6 2 (8.33%) Oracle Database
6 2 (8.33%) Pentaho
6 2 (8.33%) QlikView
6 2 (8.33%) Sqoop
7 1 (4.17%) Apache Cassandra
7 1 (4.17%) Data Warehouse
7 1 (4.17%) MySQL
7 1 (4.17%) Neo4j
7 1 (4.17%) OLAP
7 1 (4.17%) Oracle OLAP
7 1 (4.17%) SQL Server
General
1 1 (4.17%) Publishing
1 1 (4.17%) Telecoms
Job Titles
1 12 (50.00%) Developer
2 8 (33.33%) Java Developer
2 8 (33.33%) Senior Developer
2 8 (33.33%) Senior Java Developer
3 4 (16.67%) Architect
3 4 (16.67%) Big Data Architect
3 4 (16.67%) Hadoop Architect
4 3 (12.50%) Data Architect
4 3 (12.50%) Data Scientist
4 3 (12.50%) Java Scala Developer
4 3 (12.50%) Scala Developer
4 3 (12.50%) Senior Java Scala Developer
4 3 (12.50%) Senior Scala Developer
5 2 (8.33%) Analyst
5 2 (8.33%) Big Data Developer
5 2 (8.33%) Data Analyst
5 2 (8.33%) Infrastructure Architect
5 2 (8.33%) Junior
5 2 (8.33%) Junior Data Scientist
5 2 (8.33%) Software Engineer
Libraries, Frameworks & Software Standards
1 5 (20.83%) Kafka
2 3 (12.50%) JSON
3 2 (8.33%) J2EE
4 1 (4.17%) ELK Stack
4 1 (4.17%) jQuery
4 1 (4.17%) Web Services
Miscellaneous
1 3 (12.50%) Analytical Skills
2 2 (8.33%) Statistics
3 1 (4.17%) Computer Science
3 1 (4.17%) Data Centre
3 1 (4.17%) Data Integration
3 1 (4.17%) Mathematics
3 1 (4.17%) Visualisation
Operating Systems
1 8 (33.33%) Linux
2 1 (4.17%) Unix
2 1 (4.17%) Windows
Processes & Methodologies
1 14 (58.33%) Agile Software Development
2 9 (37.50%) TDD
3 6 (25.00%) Software Engineering
4 5 (20.83%) ETL
4 5 (20.83%) MapReduce
4 5 (20.83%) OO
5 4 (16.67%) Machine Learning
5 4 (16.67%) Open Source
6 3 (12.50%) Business Intelligence
6 3 (12.50%) DevOps
6 3 (12.50%) Load Balancing
6 3 (12.50%) Spatial Analysis
6 3 (12.50%) Technical Architecture
7 2 (8.33%) Performance Tuning
8 1 (4.17%) Data Analysis
8 1 (4.17%) Data Cleansing
8 1 (4.17%) MVC
8 1 (4.17%) Parallel Computing
8 1 (4.17%) Predictive Analytics
8 1 (4.17%) Scrum
Programming Languages
1 14 (58.33%) Java
2 10 (41.67%) SQL
3 8 (33.33%) Scala
4 6 (25.00%) Python
5 4 (16.67%) R
6 1 (4.17%) C
6 1 (4.17%) JavaScript
6 1 (4.17%) Perl
6 1 (4.17%) PHP
Qualifications
1 3 (12.50%) Security Cleared
2 2 (8.33%) PhD
2 2 (8.33%) Postgraduate
Quality Assurance & Compliance
1 1 (4.17%) Data Quality
System Software
1 4 (16.67%) HDFS
2 2 (8.33%) Apache Flume
Systems Management
1 2 (8.33%) Hadoop YARN
1 2 (8.33%) Oozie
1 2 (8.33%) Puppet
2 1 (4.17%) Ambari
2 1 (4.17%) Opscode Chef
Vendors
1 6 (25.00%) Cloudera
2 3 (12.50%) Oracle
3 2 (8.33%) Hortonworks
3 2 (8.33%) Splunk
4 1 (4.17%) Ab Initio
4 1 (4.17%) Actian
4 1 (4.17%) Cognos
4 1 (4.17%) Informatica
4 1 (4.17%) MicroStrategy
4 1 (4.17%) ParAccel
4 1 (4.17%) SAP
4 1 (4.17%) Sybase
4 1 (4.17%) Tableau
4 1 (4.17%) Teradata
4 1 (4.17%) Zend