The first table below looks at the demand for MapReduce skills in IT jobs advertised for the London region. Included is a guide to the average salaries offered in IT jobs that have cited MapReduce over the 3 months to 22 July 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.

Location
3 months to
22 Jul 2014
Same period 2013 Same period 2012
MapReduce
Rank 341 523 597
Rank change year-on-year
+182 +74
Permanent jobs citing MapReduce 335 74 47
As % of all permanent IT jobs located in London 0.70% 0.17% 0.091%
As % of the Libraries, Frameworks & Software Standards category 1.81% 0.42% 0.22%
Number of salaries quoted 295 71 42
Average salary £65,000 £62,500 £51,250
Average salary % change year-on-year
+4.00% +21.95%
90% offered a salary of more than £45,000 £52,500 £37,500
10% offered a salary of more than £90,000 £90,000 £70,000
UK excluding London average salary £60,000 £50,000 £65,000
% change year-on-year
+20.00% -23.07%
Libraries, Frameworks & Software Standards Category
London
Permanent IT job ads with a match in the
Libraries, Frameworks & Software Standards category
18508 17432 21219
As % of all permanent IT jobs located in London 38.89% 39.43% 40.91%
Number of salaries quoted 15917 14960 18894
Average salary £52,500 £50,000 £50,000
Average salary % change year-on-year
+5.00% -
90% offered a salary of more than £35,000 £35,000 £33,000
10% offered a salary of more than £72,500 £70,000 £70,000
UK excluding London average salary £40,000 £37,500 £37,500
% change year-on-year
+6.66% -
MapReduce
England

MapReduce
Jobs Demand Trend in London

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

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

MapReduce Salary Trend in London

MapReduce
Salary Histogram in London

This chart provides a salary histogram for IT jobs citing MapReduce across the London region over the 3 months to 22 July 2014.

MapReduce Salary Histogram in London

MapReduce
Job Locations in London

The table below looks at the demand and provides a guide to the average salaries quoted in IT jobs citing MapReduce within the London region over the 3 months to 22 July 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
Permanent
IT Job Ads
Average Salary
Last 3 Months
Average Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London +55 81 £70,000 +12.00% 4
Docklands, London - 2 £90,000 -
Harrow - 1 - -
MapReduce
England

MapReduce
Top 30 Related IT Skills in London

For the 6 months to 22 July 2014, IT 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 IT job ads sampled that cited MapReduce.

1 520 (83.87%) Hadoop
2 497 (80.16%) Big Data
3 449 (72.42%) Java
4 326 (52.58%) Apache Hive
5 279 (45.00%) NoSQL
6 219 (35.32%) Python
7 217 (35.00%) Analytics
8 188 (30.32%) Computer Science
9 178 (28.71%) R
10 166 (26.77%) Scala
11 165 (26.61%) MongoDB
12 157 (25.32%) HBase
12 157 (25.32%) Linux
13 145 (23.39%) Degree
14 144 (23.23%) SQL
15 128 (20.65%) TDD
16 127 (20.48%) Mahout
17 125 (20.16%) Apache Cassandra
18 112 (18.06%) PhD
19 109 (17.58%) Visualisation
20 102 (16.45%) Mathematics
21 101 (16.29%) Data Warehouse
22 99 (15.97%) Business Intelligence
23 97 (15.65%) HTML
24 96 (15.48%) JavaScript
25 90 (14.52%) Couchbase
26 89 (14.35%) Statistics
27 88 (14.19%) Apache Pig
28 83 (13.39%) Redis
29 82 (13.23%) Open Source

MapReduce
Top Related IT Skills in London by Category

For the 6 months to 22 July 2014, IT 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 IT job ads sampled that cited MapReduce. Up to 20 skills are shown per category.

Application Platforms
1 88 (14.19%) Apache Pig
2 39 (6.29%) Apache
3 34 (5.48%) SAS
4 31 (5.00%) Oracle Coherence
5 11 (1.77%) Tomcat
6 8 (1.29%) Mule
7 6 (0.97%) Elasticsearch
7 6 (0.97%) nginx
8 5 (0.81%) MS Exchange
8 5 (0.81%) SharePoint
8 5 (0.81%) IIS
9 4 (0.65%) Apache Solr
9 4 (0.65%) Zope
9 4 (0.65%) Plone
10 3 (0.48%) Tornado
11 2 (0.32%) Apache ServiceMix
11 2 (0.32%) GlassFish
11 2 (0.32%) Confluence
11 2 (0.32%) WebSphere
11 2 (0.32%) Oracle HTTP Server
Applications
1 51 (8.23%) SPSS
2 11 (1.77%) Spreadsheet
3 10 (1.61%) Weka
3 10 (1.61%) Mathematica
4 9 (1.45%) MS Excel
5 6 (0.97%) Stata
6 5 (0.81%) MS Office
7 4 (0.65%) FastStats
7 4 (0.65%) CPLEX
7 4 (0.65%) MS PowerPoint
Business Applications
1 11 (1.77%) SAP InfiniteInsight
2 1 (0.16%) Google Analytics
Cloud Services
1 63 (10.16%) Amazon AWS
2 50 (8.06%) Amazon EMR
3 41 (6.61%) Cloud Computing
4 33 (5.32%) Amazon EC2
5 18 (2.90%) Amazon S3
6 14 (2.26%) Google App Engine
7 13 (2.10%) Microsoft Azure
8 12 (1.94%) ElastiCache
9 8 (1.29%) Amazon SQS
10 5 (0.81%) SaaS
10 5 (0.81%) PaaS
11 3 (0.48%) IaaS
Communications & Networking
1 53 (8.55%) Internet
2 37 (5.97%) LAN
2 37 (5.97%) WAN
3 25 (4.03%) HTTP
4 7 (1.13%) Firewall
5 5 (0.81%) SSL
6 4 (0.65%) SMS
7 2 (0.32%) OpenLDAP
7 2 (0.32%) LDAP
Database & Business Intelligence
1 520 (83.87%) Hadoop
2 497 (80.16%) Big Data
3 326 (52.58%) Apache Hive
4 279 (45.00%) NoSQL
5 165 (26.61%) MongoDB
6 157 (25.32%) HBase
7 127 (20.48%) Mahout
8 125 (20.16%) Apache Cassandra
9 101 (16.29%) Data Warehouse
10 90 (14.52%) Couchbase
11 83 (13.39%) Redis
12 77 (12.42%) MySQL
13 62 (10.00%) Sqoop
14 58 (9.35%) SQL Server
15 54 (8.71%) Data Mining
16 49 (7.90%) Impala
17 44 (7.10%) Relational Database
18 40 (6.45%) Oracle Exadata
19 39 (6.29%) Riak
20 37 (5.97%) DB2
Development Applications
1 57 (9.19%) Git (software)
2 27 (4.35%) Mercurial
3 24 (3.87%) Jenkins
4 18 (2.90%) SpecFlow
4 18 (2.90%) Cucumber
5 15 (2.42%) Selenium
6 14 (2.26%) Talend Open Studio
7 10 (1.61%) Maven
8 8 (1.29%) Visual Studio
9 7 (1.13%) CruiseControl
9 7 (1.13%) JUnit
10 5 (0.81%) NUnit
10 5 (0.81%) Rhino Mocks
10 5 (0.81%) Moq
10 5 (0.81%) Mockito
10 5 (0.81%) TeamCity
11 4 (0.65%) Subversion
12 3 (0.48%) Hudson
13 2 (0.32%) PostSharp
13 2 (0.32%) Oracle APEX
General
1 62 (10.00%) Finance
2 58 (9.35%) Games
3 37 (5.97%) Marketing
4 33 (5.32%) Banking
5 30 (4.84%) Advertising
6 25 (4.03%) Retail
7 24 (3.87%) Telecoms
8 22 (3.55%) Law
9 10 (1.61%) Billing
10 9 (1.45%) Legal
11 8 (1.29%) Front Office
12 7 (1.13%) Online Betting
13 4 (0.65%) Manufacturing
13 4 (0.65%) Automotive
14 2 (0.32%) Publishing
Job Titles
1 245 (39.52%) Developer
2 144 (23.23%) Java Developer
3 106 (17.10%) Architect
4 99 (15.97%) Data Scientist
5 62 (10.00%) Senior Developer
6 52 (8.39%) Consultant
6 52 (8.39%) Data Architect
7 49 (7.90%) Big Data Architect
8 43 (6.94%) Research Engineer
9 36 (5.81%) Statistician
9 36 (5.81%) Senior Java Developer
10 34 (5.48%) Data Consultant
11 29 (4.68%) Big Data Consultant
12 26 (4.19%) C# Developer
13 25 (4.03%) Java Architect
13 25 (4.03%) Hadoop Developer
14 22 (3.55%) Analyst
14 22 (3.55%) Python Developer
15 21 (3.39%) Data Manager
15 21 (3.39%) Senior Architect
Libraries, Frameworks & Software Standards
1 97 (15.65%) HTML
2 70 (11.29%) CSS
3 67 (10.81%) REST
4 57 (9.19%) JSON
5 50 (8.06%) HTML5
6 49 (7.90%) Memcached
7 47 (7.58%) Spring
7 47 (7.58%) Kafka
8 41 (6.61%) Web Services
9 38 (6.13%) JDBC
10 35 (5.65%) .NET
11 31 (5.00%) JMX
12 30 (4.84%) XML
13 28 (4.52%) CSS3
14 27 (4.35%) Google Closure
15 26 (4.19%) WCF
15 26 (4.19%) SOAP
16 23 (3.71%) Swing
17 21 (3.39%) RESTful
18 20 (3.23%) J2EE
Miscellaneous
1 188 (30.32%) Computer Science
2 109 (17.58%) Visualisation
3 102 (16.45%) Mathematics
4 89 (14.35%) Statistics
5 82 (13.23%) Open Source
6 53 (8.55%) Physics
7 27 (4.35%) Artificial Intelligence
8 22 (3.55%) Client/Server
9 21 (3.39%) Social Media
10 20 (3.23%) Management Information System
11 18 (2.90%) Online Games
12 17 (2.74%) Data Integration
13 13 (2.10%) Inversion of Control
14 11 (1.77%) Social Network
14 11 (1.77%) Social Gaming
15 10 (1.61%) Enterprise Software
16 9 (1.45%) Smartphone
17 8 (1.29%) Blog
17 8 (1.29%) Applied Mathematics
17 8 (1.29%) Economics
Operating Systems
1 157 (25.32%) Linux
2 21 (3.39%) UNIX
3 16 (2.58%) Android
4 12 (1.94%) CentOS
5 8 (1.29%) Windows
6 7 (1.13%) Red Hat Enterprise Linux
7 6 (0.97%) Apple iOS
8 4 (0.65%) Ubuntu
9 1 (0.16%) Debian
Processes & Methodologies
1 217 (35.00%) Analytics
2 128 (20.65%) TDD
3 99 (15.97%) Business Intelligence
4 81 (13.06%) Software Engineering
4 81 (13.06%) ETL
5 78 (12.58%) OO
6 77 (12.42%) Multithreading
7 76 (12.26%) Agile Software Development
8 65 (10.48%) Data Analysis
9 58 (9.35%) Machine Learning
10 54 (8.71%) OOP
10 54 (8.71%) Performance Tuning
11 53 (8.55%) Continuous Integration
11 53 (8.55%) Scrum
12 43 (6.94%) Data Analytics
13 42 (6.77%) BDD
14 37 (5.97%) Benchmarking
15 34 (5.48%) E-Commerce
15 34 (5.48%) Big Data Analytics
16 32 (5.16%) SOA
Programming Languages
1 449 (72.42%) Java
2 219 (35.32%) Python
3 178 (28.71%) R
4 166 (26.77%) Scala
5 144 (23.23%) SQL
6 96 (15.48%) JavaScript
7 68 (10.97%) MATLAB
8 64 (10.32%) Bash Shell
9 63 (10.16%) C++
10 57 (9.19%) C#
11 49 (7.90%) Ruby
12 39 (6.29%) Clojure
13 33 (5.32%) Perl
14 24 (3.87%) Haskell
14 24 (3.87%) PHP
15 11 (1.77%) F#
16 5 (0.81%) Erlang
17 4 (0.65%) ActionScript 3.0
17 4 (0.65%) ActionScript
18 2 (0.32%) Pig Latin
Qualifications
1 145 (23.39%) Degree
2 112 (18.06%) PhD
Quality Assurance & Compliance
1 39 (6.29%) QA
2 4 (0.65%) Data Quality
System Software
1 56 (9.03%) HDFS
2 51 (8.23%) Apache Flume
3 30 (4.84%) Apache ZooKeeper
4 29 (4.68%) Oracle RAC
5 3 (0.48%) GPFS
6 1 (0.16%) Docker
Systems Management
1 37 (5.97%) Oozie
2 34 (5.48%) Puppet
3 29 (4.68%) Ambari
4 28 (4.52%) Opscode Chef
5 8 (1.29%) YUM
6 4 (0.65%) Ansible
7 2 (0.32%) Nagios
8 1 (0.16%) ZABBIX
8 1 (0.16%) Cacti
8 1 (0.16%) HAProxy
8 1 (0.16%) Salt
8 1 (0.16%) Vagrant
Vendors
1 55 (8.87%) Oracle
2 52 (8.39%) Teradata
3 48 (7.74%) Google
4 45 (7.26%) Hortonworks
4 45 (7.26%) Netezza
5 44 (7.10%) Cisco
5 44 (7.10%) MapR
6 37 (5.97%) Sybase
6 37 (5.97%) Intel
7 28 (4.52%) Cloudera
8 19 (3.06%) Facebook
9 18 (2.90%) Tableau
10 14 (2.26%) Talend
11 12 (1.94%) IBM
11 12 (1.94%) Informatica
12 11 (1.77%) Microsoft
13 8 (1.29%) Splunk
13 8 (1.29%) SAP
13 8 (1.29%) Business Objects
13 8 (1.29%) Red Hat
London
Lawrence Harvey Enterprise
Salary: £60000 - £120000 per annum + Bonus + Benefits
Posted: 22 hours ago
London
Noir Consulting
Salary: £60000 - £80000 per annum + Excellent Benefits
Posted: Yesterday
West London
Deanslist Limited
Salary: From £45,000 to £65,000 per annum + Stock options
Posted: Yesterday
London
Harnham
Salary: £45000 - £55000 per annum + exclusive benefits
Posted: 3 days ago
Central London / West End
ARC IT Recruitment Ltd
Salary: Highly competitive
Posted: 3 days ago
City, London
Aston Carter
Salary: £45000 - £70000 per annum + Shares, Large Bonus, benefits
Posted: 3 days ago
London
Hydrogen Group
Salary: £50000.00 - £70000.00 per day
Posted: 3 days ago
London
Selecture
Salary: £50000 - £100000 per annum + Benefits + Bonus
Posted: 5 days ago
London
Selecture
Salary: £50000 - £85000 per annum + Benefits + Bonus
Posted: 5 days ago
London
Opus Recruitment Solutions Ltd
Salary: £65000 to £85000 per annum
Posted: 6 days ago
City, London
Opus Recruitment Solutions Ltd
Salary: £55000 to £65000 per annum - Bonus & Benefits
Posted: 6 days ago
City of London
Streamline Connections
Salary: £60000 - £70000 per annum + excellent benefits
Posted: 7 days ago