The table below looks at the statistics 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 16 September 2014 with a comparison to the same period in 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.

Location
3 months to
16 Sep 2014
Same period 2013 Same period 2012
MapReduce
Rank 343 370 368
Rank change year-on-year
+27 -2
Contract jobs citing MapReduce 72 62 56
As % of all contract IT jobs located in London 0.29% 0.25% 0.21%
As % of the Processes & Methodologies category 0.38% 0.32% 0.28%
Number of daily rates quoted 62 49 44
Average daily rate
Keep up to 90%
of your Daily Rate
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£625 £500 £550
Average daily rate % change year-on-year
+25.00% -9.09%
90% offered a daily rate of more than £428 £375 £450
10% offered a daily rate of more than £775 £680 £600
UK excluding London average daily rate £625 £385 -
% change year-on-year
+62.33% -
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate - - -
MapReduce
England

The following table is for comparison with the above and provides statistics for the entire Processes & Methodologies category in contract jobs advertised in the London region.

Processes & Methodologies Category
London
Contract IT job ads with a match in the
Processes & Methodologies category
18984 19436 19917
As % of all contract IT jobs located in London 77.68% 77.45% 75.28%
Number of daily rates quoted 13364 13584 13450
Average daily rate £450 £450 £430
Average daily rate % change year-on-year
- +4.65%
90% offered a daily rate of more than £300 £300 £295
10% offered a daily rate of more than £600 £600 £600
UK excluding London average daily rate £375 £370 £363
% change year-on-year
+1.35% +2.06%
Number of hourly rates quoted 237 242 370
Average hourly rate £21.62 £22.00 £32.50
Average hourly rate % change year-on-year
-1.72% -32.30%
90% offered a hourly rate of more than £13.50 £13.50 £15.75
10% offered a hourly rate of more than £53.50 £52.50 £48.15
UK excluding London average hourly rate £26.00 £30.00 £30.00
% change year-on-year
-13.33% -

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 Processes & Methodologies 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 16 September 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 16 September 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
Contract
IT Job Ads
Average
Daily Rate
Last 3 Months
Average Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London +18 20 £625 +38.88% 9
Harrow - - - - 1
MapReduce
England

MapReduce
Top 30 Related IT Skills in London

For the 6 months to 16 September 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.

1 100 (77.52%) Hadoop
2 83 (64.34%) Big Data
3 76 (58.91%) Apache Hive
4 66 (51.16%) Java
5 51 (39.53%) Apache Cassandra
6 45 (34.88%) NoSQL
6 45 (34.88%) Oozie
7 44 (34.11%) Scala
8 40 (31.01%) HBase
8 40 (31.01%) SQL
9 39 (30.23%) Analytics
10 38 (29.46%) Apache Pig
10 38 (29.46%) Visualisation
11 36 (27.91%) MongoDB
12 33 (25.58%) HDFS
13 32 (24.81%) Oracle
13 32 (24.81%) Python
14 30 (23.26%) Banking
14 30 (23.26%) Mahout
15 29 (22.48%) Cascading
16 25 (19.38%) Sqoop
16 25 (19.38%) Kafka
17 24 (18.60%) Apache Flume
18 23 (17.83%) Apache ZooKeeper
18 23 (17.83%) Netezza
18 23 (17.83%) ETL
18 23 (17.83%) Teradata
19 22 (17.05%) Data Warehouse
19 22 (17.05%) R
19 22 (17.05%) Couchbase

MapReduce
Top Related IT Skills in London by Category

For the 6 months to 16 September 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 38 (29.46%) Apache Pig
2 15 (11.63%) Oracle Coherence
3 11 (8.53%) SAS
4 5 (3.88%) Apache
5 2 (1.55%) Node.js
6 1 (0.78%) Zope
6 1 (0.78%) Elasticsearch
Applications
1 5 (3.88%) Mathematica
2 4 (3.10%) MS Excel
3 2 (1.55%) SPSS
Cloud Services
1 17 (13.18%) Amazon EMR
2 8 (6.20%) Amazon AWS
3 7 (5.43%) GitHub
4 2 (1.55%) Amazon EC2
4 2 (1.55%) AWS Data Pipeline
5 1 (0.78%) Cloud Computing
5 1 (0.78%) Amazon S3
5 1 (0.78%) Microsoft Azure
Communications & Networking
1 4 (3.10%) LAN
1 4 (3.10%) WAN
2 3 (2.33%) Internet
3 2 (1.55%) AMQP
Database & Business Intelligence
1 100 (77.52%) Hadoop
2 83 (64.34%) Big Data
3 76 (58.91%) Apache Hive
4 51 (39.53%) Apache Cassandra
5 45 (34.88%) NoSQL
6 40 (31.01%) HBase
7 36 (27.91%) MongoDB
8 30 (23.26%) Mahout
9 25 (19.38%) Sqoop
10 22 (17.05%) Couchbase
10 22 (17.05%) Data Warehouse
11 21 (16.28%) Oracle Exadata
11 21 (16.28%) Riak
11 21 (16.28%) HCatalog
12 19 (14.73%) MarkLogic
13 12 (9.30%) SQL Server
14 10 (7.75%) MySQL
15 9 (6.98%) Data Mining
15 9 (6.98%) Impala
16 7 (5.43%) DB2
Development Applications
1 6 (4.65%) TeamCity
2 4 (3.10%) JIRA
3 3 (2.33%) Talend Open Studio
4 2 (1.55%) JUnit
4 2 (1.55%) Oracle Forms
4 2 (1.55%) Maven
4 2 (1.55%) Git (software)
4 2 (1.55%) Mockito
4 2 (1.55%) Hudson
4 2 (1.55%) Jasmine
General
1 30 (23.26%) Banking
2 19 (14.73%) Finance
3 17 (13.18%) Investment Banking
4 11 (8.53%) Front Office
5 10 (7.75%) Marketing
6 3 (2.33%) Financial Institution
7 2 (1.55%) Telecoms
8 1 (0.78%) Pharmaceutical
8 1 (0.78%) Publishing
Job Titles
1 53 (41.09%) Developer
2 25 (19.38%) Architect
3 23 (17.83%) Java Developer
4 14 (10.85%) Hadoop Developer
5 13 (10.08%) Data Scientist
6 12 (9.30%) Enterprise Architect
6 12 (9.30%) Senior Developer
7 11 (8.53%) Big Data Developer
8 9 (6.98%) Big Data Architect
8 9 (6.98%) Data Architect
8 9 (6.98%) Consultant
8 9 (6.98%) Analyst
8 9 (6.98%) Data Analyst
9 8 (6.20%) Data Consultant
10 7 (5.43%) Big Data Consultant
11 5 (3.88%) Insight Analyst
12 4 (3.10%) Senior Big Data Developer
12 4 (3.10%) Trainer
13 3 (2.33%) DBA
13 3 (2.33%) Lead Architect
Libraries, Frameworks & Software Standards
1 29 (22.48%) Cascading
2 25 (19.38%) Kafka
3 16 (12.40%) Spring
4 15 (11.63%) Hibernate
5 6 (4.65%) Web Services
6 5 (3.88%) XML
6 5 (3.88%) RESTful
7 4 (3.10%) RabbitMQ
7 4 (3.10%) HTML
8 3 (2.33%) J2EE
8 3 (2.33%) CSS
9 2 (1.55%) JDBC
9 2 (1.55%) .NET
9 2 (1.55%) J2SE
9 2 (1.55%) ActiveMQ
9 2 (1.55%) jQuery
9 2 (1.55%) Ajax
9 2 (1.55%) Ruby on Rails
9 2 (1.55%) JSON
9 2 (1.55%) Spring MVC
Miscellaneous
1 38 (29.46%) Visualisation
2 14 (10.85%) Computer Science
2 14 (10.85%) Analytical Skills
3 12 (9.30%) Open Source
4 9 (6.98%) Mathematics
5 4 (3.10%) Statistics
6 3 (2.33%) Fixed Income
6 3 (2.33%) User Experience
7 2 (1.55%) Replication
8 1 (0.78%) Management Information System
8 1 (0.78%) Clustering
8 1 (0.78%) IPTV
8 1 (0.78%) Ontologies
8 1 (0.78%) Physics
8 1 (0.78%) Data Integration
8 1 (0.78%) Linked Data
8 1 (0.78%) Internet of Things
Operating Systems
1 17 (13.18%) Linux
1 17 (13.18%) UNIX
2 4 (3.10%) Windows
2 4 (3.10%) Red Hat Enterprise Linux
3 2 (1.55%) Windows XP
3 2 (1.55%) Windows Server 2003
3 2 (1.55%) Windows Server 2008
3 2 (1.55%) CentOS
Processes & Methodologies
1 39 (30.23%) Analytics
2 23 (17.83%) ETL
3 21 (16.28%) Business Intelligence
4 20 (15.50%) Agile Software Development
5 13 (10.08%) Complex Event Processing
6 12 (9.30%) TDD
6 12 (9.30%) Multithreading
7 11 (8.53%) E-Commerce
7 11 (8.53%) Low Latency
8 9 (6.98%) Statistical Modelling
8 9 (6.98%) Continuous Integration
9 8 (6.20%) BDD
9 8 (6.20%) Data Visualisation
9 8 (6.20%) Information Retrieval
10 7 (5.43%) Machine Learning
10 7 (5.43%) Performance Tuning
10 7 (5.43%) Software Engineering
11 6 (4.65%) Data Analysis
11 6 (4.65%) Unit Testing
11 6 (4.65%) Mentoring
Programming Languages
1 66 (51.16%) Java
2 44 (34.11%) Scala
3 40 (31.01%) SQL
4 32 (24.81%) Python
5 22 (17.05%) R
6 17 (13.18%) JavaScript
7 13 (10.08%) C#
8 9 (6.98%) Ruby
8 9 (6.98%) Groovy
9 8 (6.20%) Clojure
10 6 (4.65%) Bash Shell
11 5 (3.88%) MATLAB
12 4 (3.10%) Perl
13 3 (2.33%) T-SQL
14 2 (1.55%) C++
14 2 (1.55%) F#
14 2 (1.55%) Korn
15 1 (0.78%) Haskell
15 1 (0.78%) Erlang
15 1 (0.78%) C
Qualifications
1 11 (8.53%) Degree
2 4 (3.10%) MCT
2 4 (3.10%) Microsoft Certification
3 3 (2.33%) PhD
4 2 (1.55%) DV Cleared
4 2 (1.55%) Security Cleared
5 1 (0.78%) CISSP
Quality Assurance & Compliance
1 4 (3.10%) QA
System Software
1 33 (25.58%) HDFS
2 24 (18.60%) Apache Flume
3 23 (17.83%) Apache ZooKeeper
4 10 (7.75%) Oracle RAC
Systems Management
1 45 (34.88%) Oozie
2 21 (16.28%) Ambari
3 3 (2.33%) Puppet
3 3 (2.33%) Opscode Chef
4 2 (1.55%) Ansible
4 2 (1.55%) Chukwa
5 1 (0.78%) Salt
Vendors
1 32 (24.81%) Oracle
2 23 (17.83%) Teradata
2 23 (17.83%) Netezza
3 20 (15.50%) Hortonworks
4 19 (14.73%) MapR
5 9 (6.98%) Sybase
6 7 (5.43%) Cloudera
7 6 (4.65%) Microsoft
8 5 (3.88%) Google
9 4 (3.10%) Cisco
9 4 (3.10%) Intel
9 4 (3.10%) Greenplum
10 3 (2.33%) Vertica
10 3 (2.33%) Talend
11 2 (1.55%) Facebook
11 2 (1.55%) Twitter
11 2 (1.55%) Informatica
11 2 (1.55%) SAP
11 2 (1.55%) Red Hat
11 2 (1.55%) Salesforce.com
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