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 18 December 2014 with a comparison to the same period in the previous 2 years.

Location
3 months to
18 Dec 2014
Same period 2013 Same period 2012
MapReduce
Rank 281 289 309
Rank change year-on-year
+8 +20
Permanent jobs citing MapReduce 32 45 16
As % of all permanent IT jobs located in the City of London 0.29% 0.38% 0.14%
As % of the Processes & Methodologies category 0.36% 0.46% 0.17%
Number of salaries quoted 22 42 16
Average salary £72,500 £62,500 £57,500
Average salary % change year-on-year
+16.00% +8.69%
90% offered a salary of more than £45,950 £50,500 £41,250
10% offered a salary of more than £89,500 £72,500 £77,500
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
8902 9855 9401
As % of all permanent IT jobs located in the City of London 81.30% 82.81% 80.10%
Number of salaries quoted 7739 8401 8482
Average salary £57,500 £57,500 £55,000
Average salary % change year-on-year
- +4.54%
90% offered a salary of more than £39,000 £37,500 £36,000
10% offered a salary of more than £80,000 £80,000 £82,500
UK excluding London average salary £42,500 £42,500 £40,000
% change year-on-year
- +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 18 December 2014.

MapReduce Salary Histogram in the City of London

MapReduce
Top 30 Related IT Skills in the City of London

For the 6 months to 18 December 2014, 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 75 (94.94%) Hadoop
1 75 (94.94%) Big Data
2 68 (86.08%) Java
3 41 (51.90%) Analytics
4 40 (50.63%) Apache Hive
5 37 (46.84%) Computer Science
6 33 (41.77%) NoSQL
7 30 (37.97%) Agile Software Development
8 29 (36.71%) Algorithms
9 28 (35.44%) HBase
10 26 (32.91%) Scala
11 23 (29.11%) TDD
11 23 (29.11%) MongoDB
12 21 (26.58%) Degree
13 20 (25.32%) REST
14 19 (24.05%) Big Data Analytics
15 18 (22.78%) Data Analytics
15 18 (22.78%) R
15 18 (22.78%) Mathematics
16 17 (21.52%) JavaScript
17 16 (20.25%) Spring
18 15 (18.99%) C++
18 15 (18.99%) HTML
18 15 (18.99%) CSS
18 15 (18.99%) Analytical Skills
19 14 (17.72%) Mahout
19 14 (17.72%) Git (software)
19 14 (17.72%) SQL
19 14 (17.72%) Finance
19 14 (17.72%) Data Analysis

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

For the 6 months to 18 December 2014, 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 12 (15.19%) Apache Pig
2 4 (5.06%) Elasticsearch
2 4 (5.06%) Mule
3 3 (3.80%) Apache Spark
3 3 (3.80%) SAS
3 3 (3.80%) Oracle Coherence
4 1 (1.27%) Apache Solr
4 1 (1.27%) Node.js
4 1 (1.27%) GemFire
4 1 (1.27%) Apache
Applications
1 1 (1.27%) SPSS
Cloud Services
1 10 (12.66%) Cloud Computing
2 8 (10.13%) Amazon AWS
3 3 (3.80%) SaaS
4 1 (1.27%) Amazon EMR
4 1 (1.27%) Amazon EC2
Communications & Networking
1 4 (5.06%) LDAP
1 4 (5.06%) Internet
2 2 (2.53%) HTTP
Database & Business Intelligence
1 75 (94.94%) Hadoop
1 75 (94.94%) Big Data
2 40 (50.63%) Apache Hive
3 33 (41.77%) NoSQL
4 28 (35.44%) HBase
5 23 (29.11%) MongoDB
6 14 (17.72%) Mahout
7 9 (11.39%) Impala
8 6 (7.59%) Relational Database
8 6 (7.59%) MySQL
8 6 (7.59%) QlikView
9 5 (6.33%) Sqoop
10 4 (5.06%) PostgreSQL
10 4 (5.06%) Data Mining
11 3 (3.80%) Redis
12 2 (2.53%) Oracle Exadata
12 2 (2.53%) Data Warehouse
13 1 (1.27%) Pentaho
13 1 (1.27%) RDBMS
13 1 (1.27%) SQL Server
Development Applications
1 14 (17.72%) Git (software)
2 8 (10.13%) Selenium
3 7 (8.86%) Cucumber
3 7 (8.86%) SpecFlow
4 6 (7.59%) Jenkins
5 4 (5.06%) Mercurial
5 4 (5.06%) Subversion
6 2 (2.53%) Maven
6 2 (2.53%) Talend Open Studio
7 1 (1.27%) JUnit
7 1 (1.27%) ERwin
7 1 (1.27%) Gerrit
General
1 14 (17.72%) Finance
2 6 (7.59%) Banking
3 5 (6.33%) Games
4 3 (3.80%) Legal
4 3 (3.80%) Front Office
5 2 (2.53%) Telecoms
6 1 (1.27%) Investment Banking
6 1 (1.27%) French Language
Job Titles
1 24 (30.38%) Developer
2 23 (29.11%) Data Scientist
3 15 (18.99%) Architect
3 15 (18.99%) Java Developer
4 14 (17.72%) Senior Developer
5 12 (15.19%) Statistician
5 12 (15.19%) Research Engineer
6 11 (13.92%) Research Scientist
7 8 (10.13%) Senior Architect
7 8 (10.13%) Software Engineer
8 7 (8.86%) Lead Developer
8 7 (8.86%) .NET Developer
8 7 (8.86%) C# Developer
8 7 (8.86%) C# .NET Developer
8 7 (8.86%) Senior C# Developer
8 7 (8.86%) Senior Java Developer
8 7 (8.86%) Senior .NET Developer
9 6 (7.59%) Java Architect
9 6 (7.59%) Senior Java Architect
10 4 (5.06%) Data Architect
Libraries, Frameworks & Software Standards
1 20 (25.32%) REST
2 16 (20.25%) Spring
3 15 (18.99%) HTML
3 15 (18.99%) CSS
4 12 (15.19%) Cascading
5 9 (11.39%) SOAP
6 8 (10.13%) J2EE
6 8 (10.13%) JSON
6 8 (10.13%) HTML5
6 8 (10.13%) CSS3
6 8 (10.13%) Google Closure
7 7 (8.86%) ASP.NET Web API
7 7 (8.86%) WCF
7 7 (8.86%) ASP.NET MVC
7 7 (8.86%) ASP.NET
7 7 (8.86%) .NET
7 7 (8.86%) JDBC
8 6 (7.59%) Akka
9 4 (5.06%) Apache Camel
9 4 (5.06%) Kafka
Miscellaneous
1 37 (46.84%) Computer Science
2 29 (36.71%) Algorithms
3 18 (22.78%) Mathematics
4 15 (18.99%) Analytical Skills
5 13 (16.46%) Physics
6 12 (15.19%) Data Structures
7 11 (13.92%) Visualisation
8 9 (11.39%) Smart Meter
9 7 (8.86%) Inversion of Control
9 7 (8.86%) Statistics
10 6 (7.59%) Open Source
10 6 (7.59%) Client/Server
11 4 (5.06%) Replication
11 4 (5.06%) User Experience
12 3 (3.80%) Fixed Income
13 2 (2.53%) Grid Computing
13 2 (2.53%) Social Media
14 1 (1.27%) Hedge funds
14 1 (1.27%) Oracle Exalytics
14 1 (1.27%) Clustering
Operating Systems
1 8 (10.13%) Linux
2 3 (3.80%) UNIX
Processes & Methodologies
1 41 (51.90%) Analytics
2 30 (37.97%) Agile Software Development
3 23 (29.11%) TDD
4 19 (24.05%) Big Data Analytics
5 18 (22.78%) Data Analytics
6 14 (17.72%) Data Analysis
6 14 (17.72%) Zachman Framework
6 14 (17.72%) TOGAF
7 13 (16.46%) Continuous Integration
7 13 (16.46%) Business Intelligence
8 12 (15.19%) Multithreading
8 12 (15.19%) Information Retrieval
9 9 (11.39%) Machine Learning
9 9 (11.39%) Kanban
9 9 (11.39%) Unit Testing
9 9 (11.39%) Software Engineering
9 9 (11.39%) OO
9 9 (11.39%) Extreme Programming
9 9 (11.39%) ETL
10 8 (10.13%) SOA
Programming Languages
1 68 (86.08%) Java
2 26 (32.91%) Scala
3 18 (22.78%) R
4 17 (21.52%) JavaScript
5 15 (18.99%) C++
6 14 (17.72%) SQL
7 13 (16.46%) MATLAB
8 12 (15.19%) Ruby
9 11 (13.92%) Python
10 8 (10.13%) C#
11 5 (6.33%) PHP
12 4 (5.06%) Bash Shell
13 2 (2.53%) Perl
14 1 (1.27%) XQuery
14 1 (1.27%) Shell Script
14 1 (1.27%) PL/SQL
Qualifications
1 21 (26.58%) Degree
2 13 (16.46%) PhD
Quality Assurance & Compliance
1 6 (7.59%) QA
2 1 (1.27%) Data Quality
System Software
1 9 (11.39%) HDFS
2 5 (6.33%) Apache Flume
3 4 (5.06%) Apache ZooKeeper
Systems Management
1 5 (6.33%) Puppet
1 5 (6.33%) Oozie
1 5 (6.33%) Hadoop YARN
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
3 1 (1.27%) Opscode Chef
Vendors
1 8 (10.13%) Oracle
1 8 (10.13%) Google
2 5 (6.33%) Splunk
2 5 (6.33%) Vertica
2 5 (6.33%) Hortonworks
3 4 (5.06%) AppDynamics
3 4 (5.06%) NetApp
3 4 (5.06%) Teradata
3 4 (5.06%) Cognos
3 4 (5.06%) Cisco
3 4 (5.06%) HP
4 3 (3.80%) SAP
4 3 (3.80%) MicroStrategy
4 3 (3.80%) MapR
5 2 (2.53%) Cloudera
5 2 (2.53%) Informatica
5 2 (2.53%) Business Objects
5 2 (2.53%) Talend
5 2 (2.53%) Netezza
6 1 (1.27%) DataSynapse
City, London
Royal Mail Group
Salary: Excellent Salary & Benefits
Posted: 23 hours ago
City of London
Computer Futures
Salary: £65000 - £80000 per annum + Bonus, Medical
Posted: 23 hours ago
City, London
Harnham
Salary: £40000 - £60000 per annum + Potential Stock Options
Posted: 4 days ago
City of London
The People Network
Salary: £100000 - £120000 per annum + Bonus, Car, Pension, Healthcare
Posted: 5 days ago