The table below looks at the statistics for MapReduce skills in IT contracts advertised for the City of London region. Included is a guide to the average contractor rates offered in IT contracts that have cited MapReduce over the 3 months to 24 April 2015 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
24 Apr 2015
Same period 2014 Same period 2013
MapReduce
Rank 174 200 185
Rank change year-on-year
+26 -15
Contract jobs citing MapReduce 21 13 18
As % of all contract IT jobs located in the City of London 0.39% 0.21% 0.28%
As % of the Processes & Methodologies category 0.50% 0.27% 0.37%
Number of daily rates quoted 21 12 16
Average daily rate
Keep up to 90%
of your Daily Rate
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£525 £538 £500
Average daily rate % change year-on-year
-2.32% +7.44%
90% offered a daily rate of more than £438 £450 £473
10% offered a daily rate of more than £700 £823 £575
UK excluding London average daily rate £500 £513 -
% change year-on-year
-2.43% -
Number of hourly rates quoted 0 0 1
Average hourly rate - - £52.50
UK excluding London average hourly rate - - -
MapReduce
London

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

Processes & Methodologies Category
City of London
Contract IT job ads with a match in the
Processes & Methodologies category
4229 4844 4866
As % of all contract IT jobs located in the City of London 77.91% 76.96% 76.46%
Number of daily rates quoted 3282 3557 3706
Average daily rate £463 £450 £450
Average daily rate % change year-on-year
+2.77% -
90% offered a daily rate of more than £325 £300 £313
10% offered a daily rate of more than £613 £625 £600
UK excluding London average daily rate £393 £375 £363
% change year-on-year
+4.66% +3.44%
Number of hourly rates quoted 35 45 51
Average hourly rate £27.37 £25.00 £72.50
Average hourly rate % change year-on-year
+9.48% -65.51%
90% offered a hourly rate of more than £14.55 £13.00 £17.50
10% offered a hourly rate of more than £92.50 £47.50 £135.00
UK excluding London average hourly rate £30.50 £30.50 £32.00
% change year-on-year
- -4.68%

MapReduce
Jobs Demand Trend in the City of London

This chart provides a 3-month moving total of IT contractor jobs citing MapReduce across the City of London region as a proportion of the total demand within the Processes & Methodologies category.

MapReduce Jobs Demand Trend in the City of London

MapReduce
Daily Rate Trend in the City of London

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

MapReduce Daily Rate Trend in the City of London

MapReduce
Daily Rate Histogram in the City of London

This chart provides a histogram of daily rates quoted in contract IT jobs citing MapReduce across the City of London region over the 3 months to 24 April 2015.

MapReduce Daily Rate Histogram in the City of London

MapReduce
Top 30 Related IT Skills in the City of London

For the 6 months to 24 April 2015, IT contractor jobs across the City of 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 39 (82.98%) Hadoop
2 33 (70.21%) Java
3 32 (68.09%) Big Data
4 27 (57.45%) Apache Hive
5 21 (44.68%) Agile Software Development
6 18 (38.30%) Apache Spark
7 15 (31.91%) Analytics
7 15 (31.91%) Apache Pig
8 14 (29.79%) Apache Cassandra
9 13 (27.66%) Python
10 12 (25.53%) SQL
10 12 (25.53%) Scala
11 11 (23.40%) TDD
12 10 (21.28%) Oracle
12 10 (21.28%) Amazon AWS
12 10 (21.28%) Kafka
13 9 (19.15%) BDD
13 9 (19.15%) NoSQL
13 9 (19.15%) Amazon EC2
13 9 (19.15%) Apache
13 9 (19.15%) Teradata
13 9 (19.15%) Amazon EMR
13 9 (19.15%) Algorithms
14 8 (17.02%) JavaScript
14 8 (17.02%) Visualisation
14 8 (17.02%) Apache Flume
15 7 (14.89%) HBase
15 7 (14.89%) jQuery
15 7 (14.89%) Ajax
15 7 (14.89%) Spring MVC

MapReduce
Top Related IT Skills in the City of London by Category

For the 6 months to 24 April 2015, IT contractor jobs across the City of 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 18 (38.30%) Apache Spark
2 15 (31.91%) Apache Pig
3 9 (19.15%) Apache
4 3 (6.38%) Tomcat
5 2 (4.26%) OpenStack
6 1 (2.13%) Oracle Coherence
6 1 (2.13%) SAS
6 1 (2.13%) Elasticsearch
Cloud Services
1 10 (21.28%) Amazon AWS
2 9 (19.15%) Amazon EC2
2 9 (19.15%) Amazon EMR
3 6 (12.77%) Amazon CloudWatch
3 6 (12.77%) Amazon S3
Communications & Networking
1 1 (2.13%) AMQP
1 1 (2.13%) LAN
1 1 (2.13%) WAN
1 1 (2.13%) HTTP
1 1 (2.13%) Internet
Database & Business Intelligence
1 39 (82.98%) Hadoop
2 32 (68.09%) Big Data
3 27 (57.45%) Apache Hive
4 14 (29.79%) Apache Cassandra
5 9 (19.15%) NoSQL
6 7 (14.89%) HBase
6 7 (14.89%) Data Warehouse
6 7 (14.89%) Impala
7 4 (8.51%) MongoDB
8 3 (6.38%) SQL Server
8 3 (6.38%) Sqoop
9 2 (4.26%) Enterprise Data Warehouse
9 2 (4.26%) MarkLogic
9 2 (4.26%) Couchbase
9 2 (4.26%) HCatalog
9 2 (4.26%) Relational Database
9 2 (4.26%) Data Mining
9 2 (4.26%) DB2
9 2 (4.26%) Riak
9 2 (4.26%) Mahout
Development Applications
1 6 (12.77%) Jasmine
2 2 (4.26%) Jenkins
2 2 (4.26%) Subversion
2 2 (4.26%) Git (software)
2 2 (4.26%) Atlassian Bamboo
General
1 6 (12.77%) Finance
2 5 (10.64%) Marketing
3 2 (4.26%) Banking
4 1 (2.13%) French Language
4 1 (2.13%) Legal
4 1 (2.13%) Publishing
4 1 (2.13%) Telecoms
4 1 (2.13%) Investment Banking
Job Titles
1 26 (55.32%) Developer
2 14 (29.79%) Hadoop Developer
3 7 (14.89%) Big Data Developer
4 6 (12.77%) Scala Developer
4 6 (12.77%) Architect
5 5 (10.64%) Data Architect
5 5 (10.64%) Java Developer
5 5 (10.64%) Big Data Architect
6 3 (6.38%) Platform Engineer
6 3 (6.38%) Data Scientist
7 2 (4.26%) Big Data Consultant
7 2 (4.26%) Software Engineer
7 2 (4.26%) Senior Developer
7 2 (4.26%) Consultant
7 2 (4.26%) Data Consultant
8 1 (2.13%) Senior Architect
8 1 (2.13%) Lead Architect
8 1 (2.13%) Junior
8 1 (2.13%) Lead Developer
8 1 (2.13%) Oracle Developer
Libraries, Frameworks & Software Standards
1 10 (21.28%) Kafka
2 7 (14.89%) jQuery
2 7 (14.89%) Ajax
2 7 (14.89%) Spring MVC
2 7 (14.89%) J2EE
2 7 (14.89%) Spring
2 7 (14.89%) Hibernate
3 5 (10.64%) RESTful
3 5 (10.64%) Cascading
4 4 (8.51%) Apache Avro
5 3 (6.38%) Web Services
6 2 (4.26%) Akka
6 2 (4.26%) REST
7 1 (2.13%) RabbitMQ
Miscellaneous
1 9 (19.15%) Algorithms
2 8 (17.02%) Visualisation
3 3 (6.38%) Social Media
3 3 (6.38%) Digital Media
4 2 (4.26%) Analytical Skills
4 2 (4.26%) Statistics
5 1 (2.13%) Open Source
5 1 (2.13%) Mathematics
5 1 (2.13%) Applied Mathematics
5 1 (2.13%) Computer Science
5 1 (2.13%) Ontologies
5 1 (2.13%) Data Integration
5 1 (2.13%) Internet of Things
5 1 (2.13%) Enterprise Software
5 1 (2.13%) Data Structures
Operating Systems
1 4 (8.51%) Linux
2 2 (4.26%) Windows
Processes & Methodologies
1 21 (44.68%) Agile Software Development
2 15 (31.91%) Analytics
3 11 (23.40%) TDD
4 9 (19.15%) BDD
5 7 (14.89%) MVC
6 5 (10.64%) Data Modelling
7 4 (8.51%) ETL
8 3 (6.38%) Predictive Modelling
8 3 (6.38%) Data Architecture
8 3 (6.38%) Data Management
9 2 (4.26%) Business Transformation
9 2 (4.26%) DevOps
9 2 (4.26%) Performance Tuning
9 2 (4.26%) Data Analysis
9 2 (4.26%) E-Commerce
9 2 (4.26%) Continuous Integration
9 2 (4.26%) Quantitative Analysis
9 2 (4.26%) Release Management
9 2 (4.26%) Predictive Analytics
9 2 (4.26%) Statistical Modelling
Programming Languages
1 33 (70.21%) Java
2 13 (27.66%) Python
3 12 (25.53%) SQL
3 12 (25.53%) Scala
4 8 (17.02%) JavaScript
5 4 (8.51%) R
6 3 (6.38%) C++
7 1 (2.13%) Clojure
7 1 (2.13%) C#
7 1 (2.13%) Perl
7 1 (2.13%) PL/SQL
7 1 (2.13%) XQuery
7 1 (2.13%) MATLAB
7 1 (2.13%) Ruby
Qualifications
1 1 (2.13%) Degree
1 1 (2.13%) DV Cleared
1 1 (2.13%) Security Cleared
1 1 (2.13%) PhD
Quality Assurance & Compliance
1 1 (2.13%) Data Quality
System Software
1 8 (17.02%) Apache Flume
2 7 (14.89%) HDFS
3 3 (6.38%) Apache ZooKeeper
4 2 (4.26%) Oracle RAC
Systems Management
1 6 (12.77%) Oozie
2 3 (6.38%) Mesos
3 2 (4.26%) Hadoop YARN
3 2 (4.26%) Ambari
3 2 (4.26%) Opscode Chef
3 2 (4.26%) Puppet
4 1 (2.13%) Graphite
Vendors
1 10 (21.28%) Oracle
2 9 (19.15%) Teradata
3 4 (8.51%) Hortonworks
4 3 (6.38%) Cloudera
4 3 (6.38%) SAP
5 2 (4.26%) MapR
5 2 (4.26%) Sybase
5 2 (4.26%) Netezza
5 2 (4.26%) Splunk
5 2 (4.26%) Tableau
6 1 (2.13%) Vertica
6 1 (2.13%) Business Objects
6 1 (2.13%) Cisco
6 1 (2.13%) Intel
6 1 (2.13%) TIBCO
6 1 (2.13%) Datameer