The table below looks at the statistics for MapReduce skills in IT contracts advertised for the London region. Included is a guide to the contractor rates offered in IT contracts that have cited MapReduce over the 3 months to 10 December 2016 with a comparison to the same period over 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.

3 months to
10 Dec 2016
Same period 2015 Same period 2014
MapReduce
Rank 297 351 350
Rank change year-on-year
+54 -1
Contract jobs citing MapReduce 124 76 71
As % of all contract IT jobs located in London 0.58% 0.34% 0.30%
As % of the Processes & Methodologies category 0.68% 0.40% 0.38%
Number of daily rates quoted 71 50 37
Median daily rate £600 £650 £515
Median daily rate % change year-on-year
-7.69% +26.21%
90% offered a daily rate of more than £450 £449 £412
10% offered a daily rate of more than £720 £703 £760
UK excluding London median daily rate £525 £563 £463
% change year-on-year
-6.66% +21.62%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median 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
18217 18803 18933
As % of all contract IT jobs located in London 84.83% 83.68% 80.62%
Number of daily rates quoted 13132 13421 13967
Median daily rate £485 £463 £450
Median daily rate % change year-on-year
+4.86% +2.77%
90% offered a daily rate of more than £340 £325 £300
10% offered a daily rate of more than £625 £625 £625
UK excluding London median daily rate £413 £400 £385
% change year-on-year
+3.12% +3.89%
Number of hourly rates quoted 196 227 247
Median hourly rate £25.00 £22.00 £22.38
Median hourly rate % change year-on-year
+13.63% -1.67%
90% offered a hourly rate of more than £13.00 £12.50 £11.50
10% offered a hourly rate of more than £50.00 £50.00 £53.50
UK excluding London median hourly rate £30.00 £34.00 £25.00
% change year-on-year
-11.76% +36.00%

MapReduce
Jobs Demand Trend in London

The demand trend of contract jobs across the London region citing MapReduce as a proportion of all IT contracts with a match in 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 10 December 2016.

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 median contractor rates quoted in IT jobs citing MapReduce within the London region over the 3 months to 10 December 2016. 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
(Click see detailed
statistics and trends)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London -3 18 £638 +6.25% 7
Canary Wharf - 6 £575 -
Docklands, London - 4 £600 -
MapReduce
England

MapReduce
Top 30 Related IT Skills in London

For the 6 months to 10 December 2016, IT contractor jobs citing MapReduce also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the London region with a requirement for MapReduce.

1 171 (89.06%) Big Data
2 169 (88.02%) Hadoop
3 139 (72.40%) Apache Hive
4 129 (67.19%) Apache Spark
5 118 (61.46%) Python
6 113 (58.85%) Java
7 74 (38.54%) HBase
7 74 (38.54%) Apache Pig
8 69 (35.94%) Scala
9 68 (35.42%) Linux
10 67 (34.90%) NoSQL
10 67 (34.90%) HDFS
11 65 (33.85%) SQL
12 63 (32.81%) MongoDB
13 60 (31.25%) Agile Software Development
13 60 (31.25%) Finance
14 54 (28.13%) R
15 52 (27.08%) Kafka
16 46 (23.96%) ETL
16 46 (23.96%) Analytics
16 46 (23.96%) Hadoop YARN
17 42 (21.88%) Relational Database
17 42 (21.88%) Sqoop
17 42 (21.88%) Apache Cassandra
18 40 (20.83%) Apache
19 39 (20.31%) Open Source
20 33 (17.19%) Business Intelligence
21 32 (16.67%) Machine Learning
22 31 (16.15%) Apache Flume
23 30 (15.63%) Data Warehouse

MapReduce
Top Related IT Skills in London by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 129 (67.19%) Apache Spark
2 74 (38.54%) Apache Pig
3 40 (20.83%) Apache
4 14 (7.29%) Apache Solr
5 11 (5.73%) Elasticsearch
5 11 (5.73%) SAS
6 6 (3.13%) Oracle Coherence
7 2 (1.04%) BizTalk Server
7 2 (1.04%) Confluence
8 1 (0.52%) IIS
8 1 (0.52%) WebLogic
Applications
1 5 (2.60%) SPSS
2 4 (2.08%) Stata
3 2 (1.04%) MS Excel
Business Applications
1 2 (1.04%) Cognos Business Intelligence
2 1 (0.52%) SAP Oil and Gas
Cloud Services
1 24 (12.50%) Amazon AWS
2 9 (4.69%) Amazon EMR
3 8 (4.17%) Microsoft Azure
4 5 (2.60%) Amazon EC2
4 5 (2.60%) Google Cloud Platform
5 4 (2.08%) Amazon S3
5 4 (2.08%) Cloud Computing
6 3 (1.56%) Amazon Glacier
6 3 (1.56%) Flurry Analytics
6 3 (1.56%) Google Analytics
7 1 (0.52%) AWS Data Pipeline
7 1 (0.52%) GitHub
7 1 (0.52%) Virtual Private Cloud
Communications & Networking
1 8 (4.17%) Kerberos
2 5 (2.60%) HTTP
3 3 (1.56%) LDAP
4 1 (0.52%) AMQP
4 1 (0.52%) Firewall
4 1 (0.52%) Internet
4 1 (0.52%) LAN
4 1 (0.52%) WAN
Database & Business Intelligence
1 171 (89.06%) Big Data
2 169 (88.02%) Hadoop
3 139 (72.40%) Apache Hive
4 74 (38.54%) HBase
5 67 (34.90%) NoSQL
6 63 (32.81%) MongoDB
7 42 (21.88%) Apache Cassandra
7 42 (21.88%) Relational Database
7 42 (21.88%) Sqoop
8 30 (15.63%) Data Warehouse
9 29 (15.10%) SQL Server
10 22 (11.46%) Impala
11 16 (8.33%) Data Lake
12 13 (6.77%) PostgreSQL
13 10 (5.21%) Couchbase
14 9 (4.69%) RDBMS
14 9 (4.69%) Spark SQL
15 8 (4.17%) Flink
15 8 (4.17%) MarkLogic
15 8 (4.17%) MySQL
Development Applications
1 16 (8.33%) Git (software)
2 13 (6.77%) Jenkins
3 12 (6.25%) Eclipse
4 11 (5.73%) Ant
4 11 (5.73%) Gradle
4 11 (5.73%) Hudson
4 11 (5.73%) Maven
5 9 (4.69%) Talend Open Studio
6 7 (3.65%) JUnit
7 6 (3.13%) Mockito
8 4 (2.08%) Subversion
9 2 (1.04%) Apache Continuum
9 2 (1.04%) JIRA
10 1 (0.52%) Artifactory
10 1 (0.52%) Cucumber
10 1 (0.52%) Mercurial
10 1 (0.52%) RStudio
10 1 (0.52%) Team Foundation Server
10 1 (0.52%) Vagrant
General
1 60 (31.25%) Finance
2 29 (15.10%) Banking
3 14 (7.29%) Front Office
4 11 (5.73%) Marketing
5 8 (4.17%) Investment Banking
6 6 (3.13%) Telecoms
7 5 (2.60%) Retail
8 1 (0.52%) Advertising
8 1 (0.52%) Corporate Banking
8 1 (0.52%) Electronics
8 1 (0.52%) Games
8 1 (0.52%) Manufacturing
8 1 (0.52%) Music Industry
Job Titles
1 47 (24.48%) Developer
2 42 (21.88%) Data Engineer
3 36 (18.75%) Architect
4 35 (18.23%) Big Data Engineer
5 28 (14.58%) Big Data Architect
5 28 (14.58%) Data Architect
6 23 (11.98%) Big Data Developer
7 22 (11.46%) Java Developer
8 21 (10.94%) Hadoop Developer
9 17 (8.85%) Java Engineer
9 17 (8.85%) Senior Developer
10 13 (6.77%) Hadoop Engineer
10 13 (6.77%) Senior Java Developer
11 12 (6.25%) Administrator
11 12 (6.25%) Apache Spark Developer
11 12 (6.25%) Data Scientist
11 12 (6.25%) Lead Architect
11 12 (6.25%) Lead Data Architect
12 11 (5.73%) Hadoop Administrator
13 9 (4.69%) Hadoop Architect
Libraries, Frameworks & Software Standards
1 52 (27.08%) Kafka
2 25 (13.02%) Web Services
3 21 (10.94%) JMS
4 20 (10.42%) XML
5 18 (9.38%) HTML
6 14 (7.29%) Java EE
7 12 (6.25%) Akka
7 12 (6.25%) REST
8 11 (5.73%) CSS
8 11 (5.73%) EJB
8 11 (5.73%) JSON
8 11 (5.73%) Spring
9 10 (5.21%) .NET
9 10 (5.21%) XSLT
10 8 (4.17%) Cascading
11 7 (3.65%) D3.js
11 7 (3.65%) J2EE
11 7 (3.65%) Lucene
12 6 (3.13%) AngularJS
13 5 (2.60%) HTML5
Miscellaneous
1 22 (11.46%) Algorithms
2 19 (9.90%) Analytical Skills
3 18 (9.38%) Statistics
4 11 (5.73%) Computer Science
4 11 (5.73%) Visualisation
5 9 (4.69%) Data Integration
6 8 (4.17%) Mathematics
7 5 (2.60%) Data Centre
7 5 (2.60%) Interest Rate Derivative
8 4 (2.08%) Enterprise Software
8 4 (2.08%) Management Information System
9 2 (1.04%) Applied Mathematics
9 2 (1.04%) Data Structures
9 2 (1.04%) Foreign Exchange (FX)
9 2 (1.04%) Virtual Team
10 1 (0.52%) Clustering
10 1 (0.52%) Data Extraction
10 1 (0.52%) iSeries
10 1 (0.52%) Public Cloud
10 1 (0.52%) Replication
Operating Systems
1 68 (35.42%) Linux
2 16 (8.33%) Unix
3 15 (7.81%) Red Hat Enterprise Linux
4 13 (6.77%) Windows
5 2 (1.04%) CentOS
6 1 (0.52%) Ubuntu
Processes & Methodologies
1 60 (31.25%) Agile Software Development
2 46 (23.96%) Analytics
2 46 (23.96%) ETL
3 39 (20.31%) Open Source
4 33 (17.19%) Business Intelligence
5 32 (16.67%) Machine Learning
6 30 (15.63%) TDD
7 24 (12.50%) Scrum
8 22 (11.46%) Software Engineering
9 20 (10.42%) High Availability
10 19 (9.90%) Continuous Integration
11 17 (8.85%) DevOps
12 16 (8.33%) Data Analytics
12 16 (8.33%) OO
13 14 (7.29%) Big Data Analytics
13 14 (7.29%) Data Analysis
14 11 (5.73%) BDD
14 11 (5.73%) Statistical Modelling
14 11 (5.73%) UML
15 10 (5.21%) Data Modelling
Programming Languages
1 118 (61.46%) Python
2 113 (58.85%) Java
3 69 (35.94%) Scala
4 65 (33.85%) SQL
5 54 (28.13%) R
6 26 (13.54%) Perl
7 24 (12.50%) Shell Script
8 16 (8.33%) C
9 13 (6.77%) Bash Shell
10 11 (5.73%) C#
10 11 (5.73%) PHP
11 10 (5.21%) MATLAB
11 10 (5.21%) VB.NET
12 9 (4.69%) JavaScript
13 8 (4.17%) Ruby
14 7 (3.65%) C++
15 3 (1.56%) PL/SQL
16 1 (0.52%) Go
16 1 (0.52%) T-SQL
Qualifications
1 16 (8.33%) DV Cleared
1 16 (8.33%) Security Cleared
2 14 (7.29%) Degree
3 7 (3.65%) PhD
4 1 (0.52%) PMI Certification
4 1 (0.52%) PMP
Quality Assurance & Compliance
1 8 (4.17%) QA
2 4 (2.08%) Data Quality
System Software
1 67 (34.90%) HDFS
2 31 (16.15%) Apache Flume
3 17 (8.85%) Apache ZooKeeper
4 6 (3.13%) Docker
5 2 (1.04%) Active Directory
6 1 (0.52%) Oracle RAC
Systems Management
1 46 (23.96%) Hadoop YARN
2 28 (14.58%) Oozie
3 10 (5.21%) Ambari
3 10 (5.21%) Opscode Chef
4 5 (2.60%) logstash
4 5 (2.60%) Puppet
5 4 (2.08%) Kibana
6 3 (1.56%) Ansible
7 2 (1.04%) Control-M
7 2 (1.04%) Nagios
Vendors
1 25 (13.02%) Hortonworks
2 24 (12.50%) Oracle
3 17 (8.85%) Red Hat
4 15 (7.81%) Cloudera
4 15 (7.81%) Tableau
5 12 (6.25%) Teradata
6 9 (4.69%) Google
6 9 (4.69%) Talend
7 7 (3.65%) IBM
7 7 (3.65%) Microsoft
8 6 (3.13%) Cognos
9 4 (2.08%) SAP
10 3 (1.56%) Datameer
10 3 (1.56%) Netezza
10 3 (1.56%) Platfora
11 2 (1.04%) GoldenSource
11 2 (1.04%) Informatica
11 2 (1.04%) MapR
11 2 (1.04%) Splunk
12 1 (0.52%) Atlassian
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