The first table below looks at the demand for MapReduce skills in IT jobs advertised across the UK. Included is a guide to the average salaries offered in IT jobs that have cited MapReduce over the 3 months to 23 July 2014 with a comparison to the same period in the previous 2 years. The second table is for comparison and provides aggregates for all of the Libraries, Frameworks & Software Standards category.

Location
3 months to
23 Jul 2014
Same period 2013 Same period 2012
MapReduce
Rank 544 749 835
Rank change year-on-year
+205 +86
Permanent jobs citing MapReduce 386 127 56
As % of all permanent IT jobs located in the UK 0.33% 0.12% 0.047%
As % of the Libraries, Frameworks & Software Standards category 0.85% 0.29% 0.12%
Number of salaries quoted 339 104 51
Average salary £65,000 £57,500 £52,500
Average salary % change year-on-year
+13.04% +9.52%
90% offered a salary of more than £42,500 £45,000 £37,500
10% offered a salary of more than £90,000 £90,000 £70,000
UK excluding London average salary £60,000 £50,000 £65,000
% change year-on-year
+20.00% -23.07%
Libraries, Frameworks & Software Standards Category
UK
Permanent IT job ads with a match in the
Libraries, Frameworks & Software Standards category
45358 43204 48402
As % of all permanent IT jobs located in the UK 39.00% 39.68% 41.04%
Number of salaries quoted 38576 37499 42868
Average salary £42,500 £40,000 £40,000
Average salary % change year-on-year
+6.25% -
90% offered a salary of more than £30,000 £28,000 £28,500
10% offered a salary of more than £65,000 £62,500 £60,000
UK excluding London average salary £40,000 £37,500 £37,500
% change year-on-year
+6.66% -

MapReduce
Jobs Demand Trend

This chart provides the 3-month moving total of permanent IT jobs citing MapReduce within the UK as a proportion of the total demand within the Libraries, Frameworks & Software Standards category.

MapReduce Jobs Demand Trend in the UK

MapReduce
Salary Trend

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing MapReduce within the UK.

MapReduce Salary Trend in the UK

MapReduce
Salary Histogram

This chart provides a salary histogram for IT jobs citing MapReduce over the 3 months to 23 July 2014 within the UK.

MapReduce Salary Histogram in the UK

MapReduce
Top 30 Job Locations

The table below looks at the demand and provides a guide to the average salaries quoted in IT jobs citing MapReduce within the UK over the 3 months to 23 July 2014. 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
(Use links below to see detailed
statistics and historical trends)
Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Average Salary
Last 3 Months
Average Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +191 376 £65,000 +13.04% 18
London +189 336 £65,000 +4.00% 14
City of London +57 81 £70,000 +12.00% 2
West Yorkshire -17 16 £40,000 +53.84%
Yorkshire -21 16 £40,000 +53.84%
Leeds - 15 £40,000 -
North West +16 9 £80,000 +68.42%
South East -30 8 £70,000 +40.00% 2
Manchester +4 5 £80,000 +68.42%
Scotland -11 5 £42,500 - 2
Glasgow - 5 £42,500 - 2
Surrey +4 4 £67,500 -
Oxfordshire +2 4 £70,000 +40.00%
South West -8 4 £80,000 - 1
Oxford +8 2 £70,000 +40.00%
Reigate - 2 £75,000 -
Street - 2 £80,000 -
Cheshire - 2 £72,500 -
Somerset - 2 £80,000 -
Bristol - 2 £75,000 - 1
Cardiff - 2 - -
Epsom - 2 £60,000 -
Liverpool - 2 £80,000 -
Kidlington - 2 £70,000 -
Wales - 2 - -
South Wales - 2 - -
Docklands, London - 2 £90,000 -
Merseyside - 2 £80,000 -
West Midlands - 1 £56,500 -
Birmingham - 1 £56,500 -

MapReduce
Top 30 Related IT Skills

For the 6 months to 23 July 2014, IT jobs within the UK citing MapReduce also mentioned the following IT skills in order of popularity. The figures indicate the number of jobs and their proportion against the total number of IT job ads sampled that cited MapReduce.

1 617 (85.22%) Hadoop
2 572 (79.01%) Big Data
3 504 (69.61%) Java
4 398 (54.97%) Apache Hive
5 315 (43.51%) NoSQL
6 249 (34.39%) Python
7 241 (33.29%) Analytics
8 196 (27.07%) MongoDB
9 193 (26.66%) Computer Science
10 192 (26.52%) HBase
11 188 (25.97%) R
12 185 (25.55%) Linux
13 173 (23.90%) Scala
14 166 (22.93%) SQL
15 152 (20.99%) Degree
16 141 (19.48%) Apache Cassandra
17 139 (19.20%) TDD
17 139 (19.20%) Business Intelligence
18 131 (18.09%) Data Warehouse
19 128 (17.68%) Mahout
20 120 (16.57%) Visualisation
21 116 (16.02%) Software Engineering
22 112 (15.47%) PhD
23 111 (15.33%) JavaScript
24 109 (15.06%) ETL
24 109 (15.06%) Agile Software Development
25 105 (14.50%) HTML
25 105 (14.50%) Open Source
26 104 (14.36%) Apache Pig
27 103 (14.23%) Mathematics

MapReduce
Top Related IT Skills by Category

For the 6 months to 23 July 2014, IT jobs within the UK citing MapReduce also mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of IT job ads sampled that cited MapReduce. Up to 20 skills are shown per category.

Application Platforms
1 104 (14.36%) Apache Pig
2 64 (8.84%) Apache
3 43 (5.94%) SAS
4 32 (4.42%) Oracle Coherence
5 15 (2.07%) Tomcat
6 11 (1.52%) Mule
7 8 (1.10%) Elasticsearch
7 8 (1.10%) Apache Solr
8 7 (0.97%) Alfresco
8 7 (0.97%) nginx
8 7 (0.97%) SugarCRM
8 7 (0.97%) SharePoint
9 6 (0.83%) WebSphere
10 5 (0.69%) Drupal
10 5 (0.69%) MS Exchange
10 5 (0.69%) IIS
11 4 (0.55%) Zope
11 4 (0.55%) Plone
11 4 (0.55%) OpenStack
11 4 (0.55%) Node.js
Applications
1 60 (8.29%) SPSS
2 11 (1.52%) Spreadsheet
3 10 (1.38%) Mathematica
3 10 (1.38%) Weka
4 9 (1.24%) MS Excel
5 6 (0.83%) Stata
6 5 (0.69%) MS Office
7 4 (0.55%) CPLEX
7 4 (0.55%) MS PowerPoint
7 4 (0.55%) FastStats
Business Applications
1 11 (1.52%) SAP InfiniteInsight
2 2 (0.28%) SAP MDM
2 2 (0.28%) Oracle BPM
3 1 (0.14%) Google Analytics
Cloud Services
1 76 (10.50%) Amazon AWS
2 57 (7.87%) Amazon EMR
3 56 (7.73%) Cloud Computing
4 40 (5.52%) Amazon EC2
5 18 (2.49%) Amazon S3
6 14 (1.93%) Microsoft Azure
6 14 (1.93%) Google App Engine
7 12 (1.66%) ElastiCache
8 8 (1.10%) Amazon SQS
9 7 (0.97%) SaaS
10 5 (0.69%) PaaS
11 3 (0.41%) IaaS
12 1 (0.14%) Heroku
Communications & Networking
1 54 (7.46%) Internet
2 38 (5.25%) WAN
2 38 (5.25%) LAN
3 28 (3.87%) HTTP
4 7 (0.97%) Firewall
5 5 (0.69%) SSL
6 4 (0.55%) SMS
6 4 (0.55%) Network Security
7 2 (0.28%) OpenLDAP
7 2 (0.28%) LDAP
8 1 (0.14%) TCP/IP
8 1 (0.14%) HTTPS
8 1 (0.14%) PuTTY
Database & Business Intelligence
1 617 (85.22%) Hadoop
2 572 (79.01%) Big Data
3 398 (54.97%) Apache Hive
4 315 (43.51%) NoSQL
5 196 (27.07%) MongoDB
6 192 (26.52%) HBase
7 141 (19.48%) Apache Cassandra
8 131 (18.09%) Data Warehouse
9 128 (17.68%) Mahout
10 101 (13.95%) MySQL
11 98 (13.54%) Couchbase
12 94 (12.98%) Redis
13 72 (9.94%) Sqoop
14 68 (9.39%) Data Mining
15 65 (8.98%) SQL Server
16 64 (8.84%) Relational Database
17 50 (6.91%) Impala
18 45 (6.22%) Riak
19 43 (5.94%) Oracle Exadata
20 38 (5.25%) DB2
Development Applications
1 63 (8.70%) Git (software)
2 28 (3.87%) Mercurial
2 28 (3.87%) Jenkins
3 23 (3.18%) Cucumber
4 22 (3.04%) Selenium
4 22 (3.04%) Talend Open Studio
5 20 (2.76%) SpecFlow
6 18 (2.49%) Maven
7 12 (1.66%) CruiseControl
8 11 (1.52%) JUnit
9 8 (1.10%) Visual Studio
9 8 (1.10%) Subversion
10 7 (0.97%) Hudson
10 7 (0.97%) Mockito
11 6 (0.83%) Ant
11 6 (0.83%) NUnit
11 6 (0.83%) TeamCity
11 6 (0.83%) Rhino Mocks
11 6 (0.83%) Moq
12 4 (0.55%) Oracle APEX
General
1 75 (10.36%) Finance
2 60 (8.29%) Games
3 37 (5.11%) Marketing
4 34 (4.70%) Banking
5 30 (4.14%) Advertising
6 26 (3.59%) Retail
7 24 (3.31%) Telecoms
8 22 (3.04%) Law
9 10 (1.38%) Billing
10 9 (1.24%) Legal
11 8 (1.10%) Front Office
12 7 (0.97%) Online Betting
13 4 (0.55%) Manufacturing
13 4 (0.55%) Automotive
14 3 (0.41%) Aerospace
15 2 (0.28%) Pharmaceutical
15 2 (0.28%) Publishing
Job Titles
1 277 (38.26%) Developer
2 153 (21.13%) Java Developer
3 130 (17.96%) Architect
4 102 (14.09%) Data Scientist
5 70 (9.67%) Data Architect
6 69 (9.53%) Senior Developer
7 66 (9.12%) Big Data Architect
8 55 (7.60%) Consultant
9 46 (6.35%) Software Engineer
10 43 (5.94%) Research Engineer
11 40 (5.52%) Senior Java Developer
12 36 (4.97%) Statistician
13 35 (4.83%) Data Consultant
14 33 (4.56%) Hadoop Developer
15 30 (4.14%) Big Data Consultant
16 28 (3.87%) C# Developer
17 26 (3.59%) Java Architect
18 23 (3.18%) Analyst
19 22 (3.04%) Data Manager
19 22 (3.04%) Python Developer
Libraries, Frameworks & Software Standards
1 105 (14.50%) HTML
2 76 (10.50%) CSS
3 75 (10.36%) REST
4 63 (8.70%) JSON
5 62 (8.56%) Spring
6 56 (7.73%) Memcached
7 54 (7.46%) HTML5
7 54 (7.46%) Kafka
8 52 (7.18%) Web Services
9 41 (5.66%) JDBC
10 38 (5.25%) .NET
10 38 (5.25%) JMX
11 36 (4.97%) XML
12 31 (4.28%) CSS3
13 30 (4.14%) Google Closure
13 30 (4.14%) SOAP
14 29 (4.01%) WCF
15 25 (3.45%) Swing
16 23 (3.18%) J2EE
17 22 (3.04%) RESTful
Miscellaneous
1 193 (26.66%) Computer Science
2 120 (16.57%) Visualisation
3 105 (14.50%) Open Source
4 103 (14.23%) Mathematics
5 93 (12.85%) Statistics
6 53 (7.32%) Physics
7 27 (3.73%) Artificial Intelligence
8 25 (3.45%) Client/Server
8 25 (3.45%) Data Integration
9 21 (2.90%) Social Media
9 21 (2.90%) Management Information System
10 18 (2.49%) Online Games
11 14 (1.93%) Inversion of Control
12 11 (1.52%) Social Network
12 11 (1.52%) Social Gaming
12 11 (1.52%) Enterprise Software
13 10 (1.38%) Smart Meter
13 10 (1.38%) GIS
14 9 (1.24%) Smartphone
15 8 (1.10%) Economics
Operating Systems
1 185 (25.55%) Linux
2 33 (4.56%) UNIX
3 16 (2.21%) Android
4 13 (1.80%) CentOS
5 12 (1.66%) Red Hat Enterprise Linux
6 10 (1.38%) Windows
7 6 (0.83%) Apple iOS
7 6 (0.83%) Ubuntu
8 1 (0.14%) OS/2
8 1 (0.14%) Debian
Processes & Methodologies
1 241 (33.29%) Analytics
2 139 (19.20%) Business Intelligence
2 139 (19.20%) TDD
3 116 (16.02%) Software Engineering
4 109 (15.06%) Agile Software Development
4 109 (15.06%) ETL
5 92 (12.71%) OO
6 83 (11.46%) Multithreading
7 75 (10.36%) Data Analysis
8 64 (8.84%) OOP
9 63 (8.70%) Continuous Integration
9 63 (8.70%) Performance Tuning
10 58 (8.01%) Machine Learning
11 55 (7.60%) Scrum
12 50 (6.91%) Data Analytics
13 46 (6.35%) BDD
14 38 (5.25%) Benchmarking
15 37 (5.11%) MVC
16 36 (4.97%) E-Commerce
17 35 (4.83%) Data Modelling
Programming Languages
1 504 (69.61%) Java
2 249 (34.39%) Python
3 188 (25.97%) R
4 173 (23.90%) Scala
5 166 (22.93%) SQL
6 111 (15.33%) JavaScript
7 84 (11.60%) C++
8 71 (9.81%) Bash Shell
9 69 (9.53%) MATLAB
10 62 (8.56%) C#
11 60 (8.29%) Ruby
12 48 (6.63%) Perl
13 44 (6.08%) PHP
14 40 (5.52%) Clojure
15 25 (3.45%) Haskell
16 11 (1.52%) C
16 11 (1.52%) F#
17 7 (0.97%) Erlang
18 6 (0.83%) XQuery
18 6 (0.83%) SPARQL
Qualifications
1 152 (20.99%) Degree
2 112 (15.47%) PhD
3 1 (0.14%) ISEB
3 1 (0.14%) ISTQB
Quality Assurance & Compliance
1 42 (5.80%) QA
2 7 (0.97%) Data Quality
System Software
1 60 (8.29%) Apache Flume
1 60 (8.29%) HDFS
2 33 (4.56%) Apache ZooKeeper
3 30 (4.14%) Oracle RAC
4 3 (0.41%) GPFS
5 1 (0.14%) Docker
5 1 (0.14%) Varnish
5 1 (0.14%) Squid
Systems Management
1 41 (5.66%) Oozie
2 39 (5.39%) Puppet
3 38 (5.25%) Opscode Chef
4 32 (4.42%) Ambari
5 8 (1.10%) YUM
6 4 (0.55%) Ansible
7 2 (0.28%) Nagios
8 1 (0.14%) ZABBIX
8 1 (0.14%) Cacti
8 1 (0.14%) Vagrant
8 1 (0.14%) Salt
8 1 (0.14%) HAProxy
Vendors
1 66 (9.12%) Oracle
2 61 (8.43%) Teradata
3 52 (7.18%) Google
4 50 (6.91%) Netezza
5 49 (6.77%) Hortonworks
6 46 (6.35%) MapR
7 45 (6.22%) Cisco
8 38 (5.25%) Sybase
8 38 (5.25%) Intel
9 34 (4.70%) Cloudera
10 22 (3.04%) Talend
11 19 (2.62%) Facebook
12 18 (2.49%) Tableau
13 17 (2.35%) SAP
14 16 (2.21%) Informatica
15 14 (1.93%) IBM
16 13 (1.80%) Microsoft
17 12 (1.66%) JBoss
18 11 (1.52%) Business Objects
19 9 (1.24%) Hitachi
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