The first table below looks at the demand for MapReduce skills in IT contracts advertised for the London region. Included is a guide to the average contractor rates offered in IT contracts that have cited MapReduce over the 3 months to 18 April 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 for the London region.

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.

Location
3 months to
18 Apr 2014
Same period 2013 Same period 2012
MapReduce
Rank 373 356 406
Rank change year-on-year
-17 +50
Contract jobs citing MapReduce 39 33 17
As % of all contract IT jobs located in London 0.16% 0.15% 0.061%
As % of the Libraries, Frameworks & Software Standards category 0.55% 0.53% 0.22%
Number of daily rates quoted 30 25 15
Average daily rate £525 £500 £450
Average daily rate % change year-on-year
+5.00% +11.11%
90% offered a daily rate of more than £448 £450 £372
10% offered a daily rate of more than £833 £575 £550
UK excluding London average daily rate £513 - £600
Number of hourly rates quoted 0 1 0
Average hourly rate - £52.50 -
UK excluding London average hourly rate - - -
Libraries, Frameworks & Software Standards Category
London
Contract IT job ads with a match in the
Libraries, Frameworks & Software Standards category
7080 6238 7719
As % of all contract IT jobs located in London 29.26% 28.87% 27.55%
Number of daily rates quoted 5091 4525 5117
Average daily rate £400 £400 £400
90% offered a daily rate of more than £300 £288 £285
10% offered a daily rate of more than £550 £575 £575
UK excluding London average daily rate £333 £325 £325
% change year-on-year
+2.46% -
Number of hourly rates quoted 36 63 75
Average hourly rate £37.50 £40.00 £33.50
Average hourly rate % change year-on-year
-6.25% +19.40%
90% offered a hourly rate of more than £30.00 £19.60 £15.00
10% offered a hourly rate of more than £163.00 £54.00 £47.50
UK excluding London average hourly rate £35.00 £35.00 £31.00
% change year-on-year
- +12.90%
MapReduce
England

MapReduce
Jobs Demand Trend in London

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

MapReduce Jobs Demand Trend in London

MapReduce
Daily Rate Trend in London

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

MapReduce Daily Rate Trend in London

MapReduce
Daily Rate Histogram in London

This chart provides a histogram of daily rates quoted in contract IT jobs citing MapReduce across the London region over the 3 months to 18 April 2014.

MapReduce Daily Rate Histogram in London

MapReduce
Contract Job Locations in London

The table below looks at the demand and provides a guide to the average contractor rates quoted in IT jobs citing MapReduce within the London region over the 3 months to 18 April 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
(Click each for more statistics)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Average
Daily Rate
Last 3 Months
Average Daily Rate
% Change
on Same Period
Last Year
Find
Job
Vacancies
City of London -19 13 £550 +10.00% 5
MapReduce
England

MapReduce
Top 30 Related IT Skills in London

For the 6 months to 18 April 2014, IT contractor jobs across the London region 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 contract IT job ads sampled that cited MapReduce.

1 70 (97.22%) Hadoop
2 59 (81.94%) Big Data
3 47 (65.28%) Apache Hive
4 44 (61.11%) Java
5 35 (48.61%) Apache Cassandra
5 35 (48.61%) NoSQL
6 33 (45.83%) Apache Pig
7 28 (38.89%) SQL
7 28 (38.89%) Python
8 24 (33.33%) HBase
9 23 (31.94%) MongoDB
10 22 (30.56%) R
11 18 (25.00%) Linux
12 17 (23.61%) Oracle
13 16 (22.22%) Analytics
14 13 (18.06%) SAS
14 13 (18.06%) J2SE
14 13 (18.06%) Computer Science
14 13 (18.06%) Oozie
15 12 (16.67%) Amazon DynamoDB
15 12 (16.67%) Machine Learning
15 12 (16.67%) MySQL
15 12 (16.67%) UNIX
16 11 (15.28%) ETL
16 11 (15.28%) TDD
17 10 (13.89%) Google
17 10 (13.89%) Statistics
17 10 (13.89%) Visualisation
17 10 (13.89%) TeamCity
18 9 (12.50%) Data Architecture

MapReduce
Top Related IT Skills in London by Category

For the 6 months to 18 April 2014, IT contractor jobs across the London region 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 contract IT job ads sampled that cited MapReduce. Up to 20 skills are shown per category.

Application Platforms
1 33 (45.83%) Apache Pig
2 13 (18.06%) SAS
3 4 (5.56%) Elasticsearch
4 2 (2.78%) Apache
5 1 (1.39%) Apache Solr
5 1 (1.39%) Zope
Applications
1 4 (5.56%) SPSS
2 1 (1.39%) MS Excel
Business Applications
1 3 (4.17%) SiteCatalyst
2 2 (2.78%) Maximo
Cloud Services
1 9 (12.50%) Amazon AWS
2 8 (11.11%) Amazon EMR
3 4 (5.56%) Amazon EC2
4 3 (4.17%) Cloud Computing
5 2 (2.78%) Google App Engine
6 1 (1.39%) GitHub
6 1 (1.39%) Microsoft Azure
Communications & Networking
1 2 (2.78%) Internet
2 1 (1.39%) HTTP
Database & Business Intelligence
1 70 (97.22%) Hadoop
2 59 (81.94%) Big Data
3 47 (65.28%) Apache Hive
4 35 (48.61%) Apache Cassandra
4 35 (48.61%) NoSQL
5 24 (33.33%) HBase
6 23 (31.94%) MongoDB
7 12 (16.67%) Amazon DynamoDB
7 12 (16.67%) MySQL
8 8 (11.11%) Sqoop
8 8 (11.11%) Mahout
9 7 (9.72%) Relational Database
9 7 (9.72%) Data Mining
10 6 (8.33%) Apache Accumulo
11 5 (6.94%) CouchDB
12 4 (5.56%) RDBMS
12 4 (5.56%) Data Warehouse
13 3 (4.17%) Redis
14 2 (2.78%) SAP BI
14 2 (2.78%) SQL Server
Development Applications
1 10 (13.89%) TeamCity
2 8 (11.11%) JUnit
2 8 (11.11%) Maven
2 8 (11.11%) JIRA
2 8 (11.11%) Mockito
2 8 (11.11%) Hudson
3 5 (6.94%) Git (software)
4 3 (4.17%) Talend Open Studio
4 3 (4.17%) Subversion
5 2 (2.78%) Jenkins
6 1 (1.39%) Karma Test Runner
6 1 (1.39%) Mercurial
6 1 (1.39%) DbUnit
6 1 (1.39%) RSpec
General
1 9 (12.50%) Marketing
2 7 (9.72%) Finance
3 4 (5.56%) Banking
3 4 (5.56%) Retail
4 3 (4.17%) Pharmaceutical
5 2 (2.78%) Advertising
5 2 (2.78%) Publishing
6 1 (1.39%) Legal
6 1 (1.39%) Financial Institution
6 1 (1.39%) Telecoms
Job Titles
1 27 (37.50%) Developer
2 15 (20.83%) Data Scientist
3 14 (19.44%) Architect
4 12 (16.67%) Big Data Developer
5 9 (12.50%) Java Developer
6 8 (11.11%) Data Architect
6 8 (11.11%) Hadoop Developer
7 7 (9.72%) Big Data Architect
8 5 (6.94%) Solutions Architect
8 5 (6.94%) Senior Developer
9 4 (5.56%) Consultant
9 4 (5.56%) Data Consultant
9 4 (5.56%) Big Data Consultant
10 1 (1.39%) WPF Developer
10 1 (1.39%) Senior Architect
10 1 (1.39%) Lead Data Architect
10 1 (1.39%) Senior Analyst
10 1 (1.39%) Data Analyst
10 1 (1.39%) Senior Project Manager
10 1 (1.39%) C# Developer
Libraries, Frameworks & Software Standards
1 13 (18.06%) J2SE
2 8 (11.11%) JDBC
2 8 (11.11%) Spring
3 7 (9.72%) J2EE
3 7 (9.72%) Web Services
4 6 (8.33%) Kafka
4 6 (8.33%) ZeroMQ
5 4 (5.56%) ActiveMQ
6 3 (4.17%) D3.js
6 3 (4.17%) Ruby on Rails
6 3 (4.17%) JSON
6 3 (4.17%) HTML
6 3 (4.17%) CSS
7 2 (2.78%) JSP
7 2 (2.78%) .NET
7 2 (2.78%) XML
7 2 (2.78%) Java EE
7 2 (2.78%) Lucene
7 2 (2.78%) Hibernate
7 2 (2.78%) RabbitMQ
Miscellaneous
1 13 (18.06%) Computer Science
2 12 (16.67%) Machine Learning
3 10 (13.89%) Statistics
3 10 (13.89%) Visualisation
4 7 (9.72%) Physics
5 5 (6.94%) Mathematics
6 3 (4.17%) Digital Media
6 3 (4.17%) Data Integration
6 3 (4.17%) Open Source
7 2 (2.78%) Neural Network
8 1 (1.39%) Semantic Web
8 1 (1.39%) Social Media
8 1 (1.39%) Inversion of Control
8 1 (1.39%) Clustering
Operating Systems
1 18 (25.00%) Linux
2 12 (16.67%) UNIX
3 1 (1.39%) Windows
Processes & Methodologies
1 16 (22.22%) Analytics
2 11 (15.28%) ETL
2 11 (15.28%) TDD
3 9 (12.50%) Data Architecture
4 8 (11.11%) Business Intelligence
5 6 (8.33%) Continuous Integration
6 4 (5.56%) Workflow
6 4 (5.56%) Data Analysis
6 4 (5.56%) Performance Tuning
7 3 (4.17%) Marketing Analytics
7 3 (4.17%) Data Migration
7 3 (4.17%) Waterfall
7 3 (4.17%) Complex Event Processing
7 3 (4.17%) Migration
7 3 (4.17%) Agile Software Development
7 3 (4.17%) Software Engineering
7 3 (4.17%) Digital Marketing
8 2 (2.78%) Project Management
8 2 (2.78%) Validation
8 2 (2.78%) SOA
Programming Languages
1 44 (61.11%) Java
2 28 (38.89%) SQL
2 28 (38.89%) Python
3 22 (30.56%) R
4 9 (12.50%) Scala
4 9 (12.50%) C++
5 7 (9.72%) Perl
6 6 (8.33%) MATLAB
6 6 (8.33%) Ruby
7 3 (4.17%) JavaScript
8 2 (2.78%) PL/SQL
8 2 (2.78%) Groovy
8 2 (2.78%) Data Analysis Expressions (DAX)
9 1 (1.39%) Clojure
9 1 (1.39%) C#
Qualifications
1 7 (9.72%) PhD
2 6 (8.33%) Degree
Quality Assurance & Compliance
1 1 (1.39%) QA
System Software
1 7 (9.72%) Apache ZooKeeper
1 7 (9.72%) Apache Flume
Systems Management
1 13 (18.06%) Oozie
2 1 (1.39%) Opscode Chef
2 1 (1.39%) Puppet
Vendors
1 17 (23.61%) Oracle
2 10 (13.89%) Google
3 9 (12.50%) Vertica
4 7 (9.72%) Netezza
4 7 (9.72%) Greenplum
5 6 (8.33%) IBM
6 5 (6.94%) DoubleClick
7 3 (4.17%) Talend
7 3 (4.17%) Cloudera
7 3 (4.17%) Teradata
7 3 (4.17%) SAP
7 3 (4.17%) Adobe
7 3 (4.17%) Informatica
8 2 (2.78%) Splunk
8 2 (2.78%) Tableau
8 2 (2.78%) comScore
9 1 (1.39%) ParAccel
9 1 (1.39%) Infobright
9 1 (1.39%) Rackspace
9 1 (1.39%) 29West