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 contractor rates offered in IT contracts that have cited MapReduce over the 3 months to 21 February 2017 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
21 Feb 2017
Same period 2016 Same period 2015
MapReduce
London / City of London
Rank 131 142 166
Rank change year-on-year
+11 +24
Contract jobs citing MapReduce 22 8 25
As % of all contract IT jobs located in the City of London 0.75% 0.25% 0.49%
As % of the Processes & Methodologies category 0.88% 0.29% 0.59%
Number of daily rates quoted 16 6 24
Median daily rate £638 £520 £539
Median daily rate % change year-on-year
+22.59% -3.48%
90% offered a daily rate of more than £506 £433 £450
10% offered a daily rate of more than £650 £625 £718
UK excluding London median daily rate £531 £550 £500
% change year-on-year
-3.40% +10.00%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

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
2494 2719 4248
As % of all contract IT jobs located in the City of London 84.57% 86.62% 82.79%
Number of daily rates quoted 1981 2157 3315
Median daily rate £500 £475 £450
Median daily rate % change year-on-year
+5.26% +5.55%
90% offered a daily rate of more than £345 £325 £313
10% offered a daily rate of more than £625 £625 £625
UK excluding London median daily rate £410 £400 £400
% change year-on-year
+2.50% -
Number of hourly rates quoted 14 30 32
Median hourly rate £21.75 £22.00 £22.69
Median hourly rate % change year-on-year
-1.13% -3.04%
90% offered a hourly rate of more than £13.50 £13.00 £13.10
10% offered a hourly rate of more than £80.00 £53.00 £45.50
UK excluding London median hourly rate £35.75 £40.00 £27.50
% change year-on-year
-10.62% +45.45%

MapReduce
Jobs Demand Trend in the City of London

The demand trend of contract jobs across the City of London region citing MapReduce as a proportion of all IT contracts with a match in 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 21 February 2017.

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 21 February 2017, 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 City of London region with a requirement for MapReduce.

1 31 (77.50%) Java
2 29 (72.50%) Big Data
3 25 (62.50%) Hadoop
4 24 (60.00%) Apache Spark
5 18 (45.00%) Apache Hive
5 18 (45.00%) HBase
6 17 (42.50%) Banking
6 17 (42.50%) Front Office
7 16 (40.00%) Finance
7 16 (40.00%) Python
7 16 (40.00%) Agile Software Development
7 16 (40.00%) NoSQL
8 15 (37.50%) MongoDB
9 14 (35.00%) Oracle Coherence
10 13 (32.50%) Spring
10 13 (32.50%) Scala
10 13 (32.50%) Linux
10 13 (32.50%) HDFS
11 12 (30.00%) Apache Pig
11 12 (30.00%) Unix
12 11 (27.50%) Oracle
12 11 (27.50%) Apache Cassandra
13 10 (25.00%) Investment Banking
13 10 (25.00%) Multithreading
13 10 (25.00%) SQL
13 10 (25.00%) Apache
13 10 (25.00%) Hibernate
13 10 (25.00%) Kafka
13 10 (25.00%) Low Latency
14 9 (22.50%) Akka

MapReduce
Top Related IT Skills in the City of 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 24 (60.00%) Apache Spark
2 14 (35.00%) Oracle Coherence
3 12 (30.00%) Apache Pig
4 10 (25.00%) Apache
5 3 (7.50%) Apache Solr
6 1 (2.50%) Confluence
6 1 (2.50%) Elasticsearch
6 1 (2.50%) WebLogic
Business Applications
1 1 (2.50%) SAP Oil and Gas
Cloud Services
1 6 (15.00%) Amazon AWS
2 3 (7.50%) Amazon EMR
3 2 (5.00%) Microsoft Azure
Communications & Networking
1 4 (10.00%) HTTP
2 1 (2.50%) AMQP
2 1 (2.50%) Internet
2 1 (2.50%) Kerberos
2 1 (2.50%) LDAP
2 1 (2.50%) SSL
2 1 (2.50%) TCP/IP
Database & Business Intelligence
1 29 (72.50%) Big Data
2 25 (62.50%) Hadoop
3 18 (45.00%) Apache Hive
3 18 (45.00%) HBase
4 16 (40.00%) NoSQL
5 15 (37.50%) MongoDB
6 11 (27.50%) Apache Cassandra
7 9 (22.50%) Relational Database
8 8 (20.00%) Sqoop
9 6 (15.00%) RDBMS
10 5 (12.50%) Data Lake
10 5 (12.50%) Flink
10 5 (12.50%) PostgreSQL
11 4 (10.00%) Spark SQL
12 3 (7.50%) CouchDB
12 3 (7.50%) Neo4j
12 3 (7.50%) SQL Server
13 2 (5.00%) Data Warehouse
14 1 (2.50%) DB2
14 1 (2.50%) QlikView
Development Applications
1 9 (22.50%) Git (software)
2 6 (15.00%) Maven
3 4 (10.00%) JUnit
4 2 (5.00%) Ant
4 2 (5.00%) Eclipse
4 2 (5.00%) Gradle
4 2 (5.00%) Jenkins
4 2 (5.00%) Mockito
4 2 (5.00%) Subversion
4 2 (5.00%) Talend Open Studio
5 1 (2.50%) Cucumber
5 1 (2.50%) Hudson
5 1 (2.50%) JIRA
5 1 (2.50%) Mercurial
5 1 (2.50%) Team Foundation Server
5 1 (2.50%) TeamCity
5 1 (2.50%) Vagrant
General
1 17 (42.50%) Banking
1 17 (42.50%) Front Office
2 16 (40.00%) Finance
3 10 (25.00%) Investment Banking
4 3 (7.50%) Marketing
5 2 (5.00%) Retail
6 1 (2.50%) Advertising
6 1 (2.50%) Electronics
6 1 (2.50%) Manufacturing
6 1 (2.50%) Telecoms
Job Titles
1 20 (50.00%) Developer
2 18 (45.00%) Java Developer
3 16 (40.00%) Senior Developer
3 16 (40.00%) Senior Java Developer
4 9 (22.50%) Architect
5 6 (15.00%) Big Data Developer
5 6 (15.00%) Data Engineer
6 5 (12.50%) Apache Spark Developer
6 5 (12.50%) Big Data Architect
6 5 (12.50%) Big Data Engineer
6 5 (12.50%) Data Architect
6 5 (12.50%) Java Scala Developer
6 5 (12.50%) Scala Developer
7 4 (10.00%) Hadoop Architect
7 4 (10.00%) Senior Big Data Developer
7 4 (10.00%) Senior Java Scala Developer
7 4 (10.00%) Senior Scala Developer
8 3 (7.50%) AWS Architect
8 3 (7.50%) Hadoop Developer
8 3 (7.50%) PHP Architect
Libraries, Frameworks & Software Standards
1 13 (32.50%) Spring
2 10 (25.00%) Hibernate
2 10 (25.00%) Kafka
3 9 (22.50%) Akka
4 8 (20.00%) Web Services
5 6 (15.00%) HTML
5 6 (15.00%) JMS
6 5 (12.50%) JSON
7 4 (10.00%) REST
7 4 (10.00%) XML
8 3 (7.50%) HTML5
8 3 (7.50%) OAuth2
9 2 (5.00%) AngularJS
9 2 (5.00%) Cascading
9 2 (5.00%) Drools
9 2 (5.00%) EJB
9 2 (5.00%) Java EE
10 1 (2.50%) CSS
10 1 (2.50%) Natural Language Processing
10 1 (2.50%) SOAP
Miscellaneous
1 9 (22.50%) Algorithms
2 4 (10.00%) Interest Rate Derivative
3 2 (5.00%) Computer Science
4 1 (2.50%) Clustering
4 1 (2.50%) Management Information System
Operating Systems
1 13 (32.50%) Linux
2 12 (30.00%) Unix
3 2 (5.00%) Red Hat Enterprise Linux
3 2 (5.00%) Windows
Processes & Methodologies
1 16 (40.00%) Agile Software Development
2 10 (25.00%) Low Latency
2 10 (25.00%) Multithreading
3 9 (22.50%) Scrum
4 8 (20.00%) TDD
5 7 (17.50%) BDD
5 7 (17.50%) Machine Learning
5 7 (17.50%) Open Source
6 6 (15.00%) Analytics
6 6 (15.00%) Continuous Integration
7 5 (12.50%) DevOps
7 5 (12.50%) ETL
8 4 (10.00%) Configuration Management
8 4 (10.00%) Data Engineering
8 4 (10.00%) Statistics
8 4 (10.00%) Test Automation
9 3 (7.50%) Automated Testing
9 3 (7.50%) Continuous Deployment
9 3 (7.50%) Mathematics
9 3 (7.50%) Workflow
Programming Languages
1 31 (77.50%) Java
2 16 (40.00%) Python
3 13 (32.50%) Scala
4 10 (25.00%) SQL
5 5 (12.50%) JavaScript
6 4 (10.00%) MATLAB
6 4 (10.00%) R
6 4 (10.00%) Shell Script
7 3 (7.50%) Bash Shell
7 3 (7.50%) Perl
7 3 (7.50%) PHP
7 3 (7.50%) Ruby
8 2 (5.00%) C#
8 2 (5.00%) C++
9 1 (2.50%) Go
9 1 (2.50%) VB.NET
Qualifications
1 4 (10.00%) Degree
1 4 (10.00%) PhD
2 2 (5.00%) DV Cleared
2 2 (5.00%) Security Cleared
Quality Assurance & Compliance
1 2 (5.00%) QA
System Software
1 13 (32.50%) HDFS
2 4 (10.00%) Apache ZooKeeper
3 3 (7.50%) Apache Flume
Systems Management
1 9 (22.50%) Hadoop YARN
2 5 (12.50%) Oozie
3 3 (7.50%) Puppet
4 2 (5.00%) Opscode Chef
5 1 (2.50%) Ansible
5 1 (2.50%) Terraform
Vendors
1 11 (27.50%) Oracle
2 7 (17.50%) Hortonworks
3 4 (10.00%) Microsoft
3 4 (10.00%) Tableau
4 2 (5.00%) MapR
4 2 (5.00%) Red Hat
4 2 (5.00%) Talend
4 2 (5.00%) Teradata
5 1 (2.50%) Atlassian
5 1 (2.50%) Cloudera
5 1 (2.50%) Google
5 1 (2.50%) MicroStrategy
5 1 (2.50%) SAP