The table below looks at the statistics for MapReduce skills in IT jobs advertised for the City of London region. Included is a guide to the average salaries offered in IT jobs that have cited MapReduce over the 3 months to 31 March 2015 with a comparison to the same period in the previous 2 years.

Location
3 months to
31 Mar 2015
Same period 2014 Same period 2013
MapReduce
Rank 262 285 301
Rank change year-on-year
+23 +16
Permanent jobs citing MapReduce 48 33 19
As % of all permanent IT jobs located in the City of London 0.45% 0.29% 0.17%
As % of the Processes & Methodologies category 0.54% 0.35% 0.21%
Number of salaries quoted 43 28 19
Average salary £65,000 £70,000 £70,000
Average salary % change year-on-year
-7.14% -
90% offered a salary of more than £46,400 £58,500 £46,500
10% offered a salary of more than £97,000 £85,000 £90,000
UK excluding London average salary £57,500 £50,000 £50,000
% change year-on-year
+15.00% -
MapReduce
London

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

Processes & Methodologies Category
City of London
Permanent IT job ads with a match in the
Processes & Methodologies category
8926 9505 9002
As % of all permanent IT jobs located in the City of London 84.31% 82.65% 80.22%
Number of salaries quoted 7501 7952 7972
Average salary £57,500 £55,000 £55,000
Average salary % change year-on-year
+4.54% -
90% offered a salary of more than £38,500 £37,500 £37,500
10% offered a salary of more than £82,500 £80,000 £80,000
UK excluding London average salary £43,507 £42,500 £40,000
% change year-on-year
+2.36% +6.25%

MapReduce
Jobs Demand Trend in the City of London

This chart provides a 3-month moving total of permanent IT 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
Salary Trend in the City of London

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

MapReduce Salary Trend in the City of London

MapReduce
Salary Histogram in the City of London

This chart provides a salary histogram for IT jobs citing MapReduce across the City of London region over the 3 months to 31 March 2015.

MapReduce Salary Histogram in the City of London

MapReduce
Top 30 Related IT Skills in the City of London

For the 6 months to 31 March 2015, IT 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 IT job ads sampled that cited MapReduce.

1 68 (86.08%) Hadoop
2 67 (84.81%) Big Data
3 58 (73.42%) Java
4 45 (56.96%) Apache Hive
5 33 (41.77%) NoSQL
6 31 (39.24%) Apache Pig
7 27 (34.18%) Finance
8 26 (32.91%) Analytics
8 26 (32.91%) Computer Science
9 25 (31.65%) HBase
10 23 (29.11%) Agile Software Development
10 23 (29.11%) Degree
11 22 (27.85%) Linux
11 22 (27.85%) Git (software)
11 22 (27.85%) MongoDB
12 19 (24.05%) Banking
12 19 (24.05%) Scala
13 17 (21.52%) Relational Database
13 17 (21.52%) TDD
13 17 (21.52%) Telecoms
13 17 (21.52%) SQL
14 16 (20.25%) Python
14 16 (20.25%) Analytical Skills
15 15 (18.99%) Jenkins
16 14 (17.72%) MySQL
16 14 (17.72%) Business Intelligence
17 13 (16.46%) Bash Shell
17 13 (16.46%) Retail
18 12 (15.19%) RDBMS
18 12 (15.19%) Couchbase

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

For the 6 months to 31 March 2015, IT 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 IT job ads sampled that cited MapReduce. Up to 20 skills are shown per category.

Application Platforms
1 31 (39.24%) Apache Pig
2 7 (8.86%) Apache Spark
3 5 (6.33%) SAS
4 4 (5.06%) Mule
5 3 (3.80%) Elasticsearch
5 3 (3.80%) BizTalk Server
5 3 (3.80%) TIBCO EMS
5 3 (3.80%) SharePoint
6 2 (2.53%) Apache
6 2 (2.53%) OpenStack
Applications
1 6 (7.59%) MS Excel
2 1 (1.27%) SPSS
Business Applications
1 1 (1.27%) SAP Oil and Gas
Cloud Services
1 6 (7.59%) Amazon AWS
2 2 (2.53%) Amazon EC2
3 1 (1.27%) Amazon S3
3 1 (1.27%) SaaS
3 1 (1.27%) Amazon EMR
3 1 (1.27%) Cloud Computing
Communications & Networking
1 9 (11.39%) TCP/IP
2 4 (5.06%) LDAP
3 2 (2.53%) HTTP
Database & Business Intelligence
1 68 (86.08%) Hadoop
2 67 (84.81%) Big Data
3 45 (56.96%) Apache Hive
4 33 (41.77%) NoSQL
5 25 (31.65%) HBase
6 22 (27.85%) MongoDB
7 17 (21.52%) Relational Database
8 14 (17.72%) MySQL
9 12 (15.19%) RDBMS
9 12 (15.19%) Couchbase
10 10 (12.66%) Apache Cassandra
11 8 (10.13%) Data Warehouse
12 7 (8.86%) Data Mining
13 6 (7.59%) QlikView
13 6 (7.59%) Sqoop
13 6 (7.59%) Impala
14 5 (6.33%) PostgreSQL
15 4 (5.06%) SQL Server
15 4 (5.06%) Mahout
16 3 (3.80%) Redis
Development Applications
1 22 (27.85%) Git (software)
2 15 (18.99%) Jenkins
3 11 (13.92%) Maven
4 10 (12.66%) JUnit
4 10 (12.66%) Mockito
5 9 (11.39%) Mercurial
6 6 (7.59%) Subversion
7 4 (5.06%) Cucumber
7 4 (5.06%) SpecFlow
7 4 (5.06%) Selenium
8 3 (3.80%) Talend Open Studio
9 1 (1.27%) TestNG
9 1 (1.27%) Atlassian Bamboo
9 1 (1.27%) Eclipse
9 1 (1.27%) JIRA
9 1 (1.27%) Gradle
General
1 27 (34.18%) Finance
2 19 (24.05%) Banking
3 17 (21.52%) Telecoms
4 13 (16.46%) Retail
5 3 (3.80%) Legal
6 2 (2.53%) Investment Banking
7 1 (1.27%) Marketing
7 1 (1.27%) French Language
7 1 (1.27%) Manufacturing
7 1 (1.27%) Electronics
Job Titles
1 34 (43.04%) Developer
2 21 (26.58%) Java Developer
3 15 (18.99%) Architect
4 14 (17.72%) Data Scientist
5 10 (12.66%) Scala Developer
6 9 (11.39%) Big Data Developer
7 8 (10.13%) Solutions Architect
8 5 (6.33%) Senior Developer
8 5 (6.33%) Data Architect
8 5 (6.33%) Hadoop Developer
8 5 (6.33%) Big Data Architect
9 4 (5.06%) C# .NET Developer
9 4 (5.06%) Senior .NET Developer
9 4 (5.06%) Senior C# Developer
9 4 (5.06%) .NET Developer
9 4 (5.06%) C# Developer
9 4 (5.06%) Lead Developer
10 3 (3.80%) Business Developer
10 3 (3.80%) Business Intelligence Developer
11 2 (2.53%) Lead Architect
Libraries, Frameworks & Software Standards
1 11 (13.92%) .NET
1 11 (13.92%) Web Services
1 11 (13.92%) REST
2 10 (12.66%) RESTful
3 9 (11.39%) RabbitMQ
3 9 (11.39%) Play Framework
4 8 (10.13%) Spring
5 5 (6.33%) JSON
6 4 (5.06%) WCF
6 4 (5.06%) ASP.NET MVC
6 4 (5.06%) XML
6 4 (5.06%) ASP.NET
6 4 (5.06%) ASP.NET Web API
6 4 (5.06%) Apache Camel
6 4 (5.06%) Kafka
7 3 (3.80%) J2EE
8 2 (2.53%) JDBC
8 2 (2.53%) Hibernate
8 2 (2.53%) SOAP
8 2 (2.53%) D3.js
Miscellaneous
1 26 (32.91%) Computer Science
2 16 (20.25%) Analytical Skills
3 11 (13.92%) Open Source
4 8 (10.13%) Smart Meter
5 4 (5.06%) Visualisation
5 4 (5.06%) Data Structures
5 4 (5.06%) Algorithms
5 4 (5.06%) Inversion of Control
5 4 (5.06%) Replication
5 4 (5.06%) Mathematics
6 3 (3.80%) Applied Mathematics
6 3 (3.80%) Physics
6 3 (3.80%) Derivative
6 3 (3.80%) Statistics
6 3 (3.80%) Enterprise Software
7 2 (2.53%) User Experience
7 2 (2.53%) Economics
7 2 (2.53%) Social Media
7 2 (2.53%) Data Integration
8 1 (1.27%) Telematics
Operating Systems
1 22 (27.85%) Linux
2 9 (11.39%) Windows
3 4 (5.06%) UNIX
Processes & Methodologies
1 26 (32.91%) Analytics
2 23 (29.11%) Agile Software Development
3 17 (21.52%) TDD
4 14 (17.72%) Business Intelligence
5 11 (13.92%) Machine Learning
6 10 (12.66%) Zachman Framework
6 10 (12.66%) TOGAF
7 9 (11.39%) Multithreading
8 8 (10.13%) Big Data Analytics
8 8 (10.13%) Data Analytics
9 7 (8.86%) ETL
9 7 (8.86%) Continuous Integration
10 6 (7.59%) Unit Testing
11 5 (6.33%) Configuration Management
11 5 (6.33%) E-Commerce
11 5 (6.33%) MVC
11 5 (6.33%) Scrum
11 5 (6.33%) BDD
11 5 (6.33%) Data Architecture
11 5 (6.33%) Data Governance
Programming Languages
1 58 (73.42%) Java
2 19 (24.05%) Scala
3 17 (21.52%) SQL
4 16 (20.25%) Python
5 13 (16.46%) Bash Shell
6 11 (13.92%) C++
7 10 (12.66%) Ruby
8 7 (8.86%) PHP
9 5 (6.33%) C#
9 5 (6.33%) JavaScript
10 3 (3.80%) T-SQL
10 3 (3.80%) R
10 3 (3.80%) Shell Script
11 2 (2.53%) MATLAB
11 2 (2.53%) Perl
12 1 (1.27%) PL/SQL
12 1 (1.27%) XQuery
Qualifications
1 23 (29.11%) Degree
2 4 (5.06%) PhD
3 1 (1.27%) SC Cleared
3 1 (1.27%) Security Cleared
Quality Assurance & Compliance
1 1 (1.27%) Data Quality
System Software
1 12 (15.19%) HDFS
2 5 (6.33%) Apache Flume
3 4 (5.06%) Apache ZooKeeper
4 1 (1.27%) Docker
Systems Management
1 5 (6.33%) Puppet
1 5 (6.33%) Oozie
2 4 (5.06%) Ambari
2 4 (5.06%) OpenView
2 4 (5.06%) Nagios
2 4 (5.06%) ZABBIX
2 4 (5.06%) Cacti
2 4 (5.06%) Munin
2 4 (5.06%) Hadoop YARN
3 1 (1.27%) Vagrant
3 1 (1.27%) Opscode Chef
Vendors
1 9 (11.39%) Oracle
2 7 (8.86%) Teradata
3 6 (7.59%) Splunk
3 6 (7.59%) Microsoft
4 5 (6.33%) Cognos
4 5 (6.33%) Vertica
4 5 (6.33%) Hortonworks
5 4 (5.06%) MapR
5 4 (5.06%) AppDynamics
5 4 (5.06%) Cisco
5 4 (5.06%) HP
5 4 (5.06%) NetApp
6 3 (3.80%) TIBCO
6 3 (3.80%) SAP
6 3 (3.80%) MicroStrategy
6 3 (3.80%) Talend
7 2 (2.53%) Cloudera
7 2 (2.53%) Tableau
7 2 (2.53%) Netezza
7 2 (2.53%) Cognizant
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