The table below looks at the statistics for Hadoop 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 Hadoop over the 3 months to 3 May 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
3 May 2016
Same period 2015 Same period 2014
Apache Hadoop
Rank 105 113 154
Rank change year-on-year
+8 +41
Contract jobs citing Hadoop 60 87 58
As % of all contract IT jobs located in the City of London 1.72% 1.59% 0.92%
As % of the Database & Business Intelligence category 6.93% 6.17% 3.98%
Number of daily rates quoted 50 81 49
Median daily rate £531 £575 £475
Median daily rate % change year-on-year
-7.60% +21.05%
90% offered a daily rate of more than £384 £450 £410
10% offered a daily rate of more than £705 £650 £630
UK excluding London median daily rate £500 £500 £406
% change year-on-year
- +23.07%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £38.00 £26.00 -
% change year-on-year
+46.15% -
Hadoop
London

The following table is for comparison with the above and provides statistics for the entire Database & Business Intelligence category in contract jobs advertised in the City of London region.

Database & Business Intelligence Category
City of London
Contract IT job ads with a match in the
Database & Business Intelligence category
866 1411 1459
As % of all contract IT jobs located in the City of London 24.82% 25.71% 23.04%
Number of daily rates quoted 703 1116 1073
Median daily rate £475 £450 £436
Median daily rate % change year-on-year
+5.55% +3.32%
90% offered a daily rate of more than £350 £325 £300
10% offered a daily rate of more than £600 £600 £575
UK excluding London median daily rate £388 £375 £350
% change year-on-year
+3.33% +7.14%
Number of hourly rates quoted 8 7 10
Median hourly rate £19.00 £45.00 £27.50
Median hourly rate % change year-on-year
-57.77% +63.63%
UK excluding London median hourly rate £34.50 £32.50 £35.00
% change year-on-year
+6.15% -7.14%

Hadoop
Jobs Demand Trend in the City of London

The demand trend of contract jobs across the City of London region citing Hadoop as a proportion of all IT contracts with a match in the Database & Business Intelligence category.

Hadoop Jobs Demand Trend in the City of London

Hadoop
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 Hadoop across the City of London region.

Hadoop Daily Rate Trend in the City of London

Hadoop
Daily Rate Histogram in the City of London

This chart provides a histogram of daily rates quoted in contract IT jobs citing Hadoop across the City of London region over the 3 months to 3 May 2016.

Hadoop Daily Rate Histogram in the City of London

Hadoop
Hourly Rate Trend in the City of London

This chart provides the 3-month moving average for hourly rates quoted in IT contractor jobs citing Hadoop across the City of London region.

Hadoop Hourly Rate Trend in the City of London

Hadoop
Top 30 Related IT Skills in the City of London

For the 6 months to 3 May 2016, IT contractor jobs citing Hadoop 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 Hadoop.

1 85 (73.28%) Big Data
2 50 (43.10%) Java
3 47 (40.52%) Apache Spark
4 45 (38.79%) Apache Hive
5 42 (36.21%) Agile Software Development
6 34 (29.31%) Scala
7 33 (28.45%) Finance
8 31 (26.72%) SQL
9 29 (25.00%) Python
10 26 (22.41%) HBase
10 26 (22.41%) Apache Pig
11 25 (21.55%) TDD
12 24 (20.69%) Linux
12 24 (20.69%) MongoDB
13 22 (18.97%) Apache Cassandra
14 20 (17.24%) Analytics
15 19 (16.38%) Unix
15 19 (16.38%) E-Commerce
16 18 (15.52%) NoSQL
17 16 (13.79%) Business Intelligence
18 15 (12.93%) Oracle
19 14 (12.07%) SQL Server
19 14 (12.07%) BDD
19 14 (12.07%) Kafka
20 13 (11.21%) MapReduce
21 12 (10.34%) Cloudera
21 12 (10.34%) Analytical Skills
21 12 (10.34%) Amazon AWS
21 12 (10.34%) JavaScript
21 12 (10.34%) Data Warehouse

Hadoop
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 47 (40.52%) Apache Spark
2 26 (22.41%) Apache Pig
3 8 (6.90%) Apache
4 4 (3.45%) Confluence
4 4 (3.45%) Elasticsearch
5 3 (2.59%) Tomcat
6 2 (1.72%) IIS
6 2 (1.72%) Oracle Coherence
6 2 (1.72%) Oracle HTTP Server
6 2 (1.72%) SAS
6 2 (1.72%) WebSphere
7 1 (0.86%) ArcGIS
7 1 (0.86%) GemFire
7 1 (0.86%) OpenStack
Applications
1 1 (0.86%) MS Excel
1 1 (0.86%) MS Visio
1 1 (0.86%) SPSS
Business Applications
1 1 (0.86%) RMDS
Cloud Services
1 12 (10.34%) Amazon AWS
2 10 (8.62%) Microsoft Azure
3 2 (1.72%) Amazon EC2
3 2 (1.72%) Amazon EMR
3 2 (1.72%) Cloud Computing
4 1 (0.86%) AWS OpsWorks
4 1 (0.86%) Google App Engine
4 1 (0.86%) Google Cloud Platform
4 1 (0.86%) Google Compute Engine
4 1 (0.86%) IaaS
4 1 (0.86%) PaaS
Communications & Networking
1 4 (3.45%) HTTP
2 3 (2.59%) SAN
3 2 (1.72%) DNS
3 2 (1.72%) FCoE
3 2 (1.72%) Fibre Channel
3 2 (1.72%) iSCSI
3 2 (1.72%) Kerberos
3 2 (1.72%) LAN
3 2 (1.72%) NAS
3 2 (1.72%) WAN
4 1 (0.86%) HTTPS
4 1 (0.86%) LDAP
4 1 (0.86%) Multicast
4 1 (0.86%) Remote Desktop
Database & Business Intelligence
1 85 (73.28%) Big Data
2 45 (38.79%) Apache Hive
3 26 (22.41%) HBase
4 24 (20.69%) MongoDB
5 22 (18.97%) Apache Cassandra
6 18 (15.52%) NoSQL
7 14 (12.07%) SQL Server
8 12 (10.34%) Data Warehouse
9 11 (9.48%) Relational Database
10 7 (6.03%) Sqoop
11 6 (5.17%) Impala
12 4 (3.45%) KNIME
12 4 (3.45%) RDBMS
12 4 (3.45%) SQL Server Integration Services
13 3 (2.59%) DB2
13 3 (2.59%) Spark SQL
13 3 (2.59%) SQL Server Analysis Services
14 2 (1.72%) BusinessObjects
14 2 (1.72%) Enterprise Data Warehouse
14 2 (1.72%) Neo4j
Development Applications
1 6 (5.17%) Git (software)
1 6 (5.17%) Jasmine
2 5 (4.31%) JIRA
3 4 (3.45%) Jenkins
3 4 (3.45%) JUnit
3 4 (3.45%) Mockito
4 3 (2.59%) Maven
5 2 (1.72%) Cucumber
5 2 (1.72%) Eclipse
5 2 (1.72%) Subversion
6 1 (0.86%) Atlassian Bamboo
6 1 (0.86%) Geb
6 1 (0.86%) GitLab
6 1 (0.86%) Gradle
6 1 (0.86%) IntelliJ
6 1 (0.86%) JBehave
6 1 (0.86%) SonarQube
6 1 (0.86%) SpecFlow
6 1 (0.86%) Spock
6 1 (0.86%) TestNG
General
1 33 (28.45%) Finance
2 11 (9.48%) Banking
3 4 (3.45%) Marketing
3 4 (3.45%) Publishing
4 3 (2.59%) Financial Institution
4 3 (2.59%) Investment Banking
5 1 (0.86%) Front Office
5 1 (0.86%) Retail
5 1 (0.86%) Telecoms
Job Titles
1 58 (50.00%) Developer
2 29 (25.00%) Big Data Developer
3 21 (18.10%) Hadoop Developer
4 18 (15.52%) Java Developer
5 17 (14.66%) Architect
5 17 (14.66%) Senior Developer
6 16 (13.79%) Scala Developer
7 12 (10.34%) Senior Hadoop Developer
8 11 (9.48%) Data Engineer
8 11 (9.48%) Senior Big Data Developer
9 10 (8.62%) Cloud Developer
10 8 (6.90%) Analyst
10 8 (6.90%) Data Scientist
11 7 (6.03%) Apache Spark Developer
11 7 (6.03%) Hadoop Engineer
12 6 (5.17%) Big Data Architect
12 6 (5.17%) Big Data Engineer
12 6 (5.17%) Data Architect
12 6 (5.17%) Hadoop Architect
12 6 (5.17%) Solutions Architect
Libraries, Frameworks & Software Standards
1 14 (12.07%) Kafka
2 10 (8.62%) jQuery
2 10 (8.62%) Spring
3 9 (7.76%) Akka
3 9 (7.76%) Web Services
4 8 (6.90%) HTML
5 7 (6.03%) Ajax
5 7 (6.03%) Play Framework
5 7 (6.03%) REST
6 6 (5.17%) XML
7 5 (4.31%) Cascading
8 4 (3.45%) Java EE
8 4 (3.45%) JSON
8 4 (3.45%) RESTful
8 4 (3.45%) spray
9 3 (2.59%) .NET
9 3 (2.59%) Apache Camel
9 3 (2.59%) CSS
9 3 (2.59%) HTML5
10 2 (1.72%) Scalatra
Miscellaneous
1 12 (10.34%) Analytical Skills
2 9 (7.76%) Data Structures
3 6 (5.17%) Algorithms
3 6 (5.17%) Computer Science
4 5 (4.31%) Data Centre
4 5 (4.31%) Visualisation
5 4 (3.45%) Foreign Exchange (FX)
5 4 (3.45%) User Experience
6 3 (2.59%) Enterprise Software
6 3 (2.59%) Fintech
7 2 (1.72%) Mathematics
8 1 (0.86%) Clustering
8 1 (0.86%) Data Integration
8 1 (0.86%) DataPower
8 1 (0.86%) Grid Computing
8 1 (0.86%) Hedge funds
8 1 (0.86%) Replication
8 1 (0.86%) Wiki
Operating Systems
1 24 (20.69%) Linux
2 19 (16.38%) Unix
3 7 (6.03%) Windows
4 3 (2.59%) Windows Server
5 2 (1.72%) AIX
5 2 (1.72%) Mac OS X
6 1 (0.86%) CentOS
6 1 (0.86%) Red Hat Enterprise Linux
6 1 (0.86%) Solaris
6 1 (0.86%) Ubuntu
6 1 (0.86%) Windows Server 2012
Processes & Methodologies
1 42 (36.21%) Agile Software Development
2 25 (21.55%) TDD
3 20 (17.24%) Analytics
4 19 (16.38%) E-Commerce
5 16 (13.79%) Business Intelligence
6 14 (12.07%) BDD
7 13 (11.21%) MapReduce
8 12 (10.34%) Scrum
9 10 (8.62%) ETL
10 9 (7.76%) Data Modelling
10 9 (7.76%) Open Source
11 8 (6.90%) Continuous Integration
12 7 (6.03%) Mentoring
13 5 (4.31%) Data Analytics
13 5 (4.31%) Functional Programming
13 5 (4.31%) Kanban
13 5 (4.31%) Machine Learning
13 5 (4.31%) Pair Programming
13 5 (4.31%) Performance Tuning
13 5 (4.31%) SDLC
Programming Languages
1 50 (43.10%) Java
2 34 (29.31%) Scala
3 31 (26.72%) SQL
4 29 (25.00%) Python
5 12 (10.34%) JavaScript
6 10 (8.62%) R
7 6 (5.17%) Shell Script
8 5 (4.31%) Ruby
9 4 (3.45%) Bash Shell
10 3 (2.59%) Groovy
10 3 (2.59%) PHP
11 2 (1.72%) AWK
11 2 (1.72%) C++
11 2 (1.72%) Perl
11 2 (1.72%) sed
11 2 (1.72%) T-SQL
12 1 (0.86%) C
12 1 (0.86%) Go
12 1 (0.86%) VB.NET
12 1 (0.86%) VBA
Qualifications
1 6 (5.17%) Degree
2 3 (2.59%) Security Cleared
3 2 (1.72%) DV Cleared
4 1 (0.86%) SAS Certification
4 1 (0.86%) SC Cleared
Quality Assurance & Compliance
1 4 (3.45%) Data Quality
2 2 (1.72%) QA
3 1 (0.86%) SLA
System Software
1 11 (9.48%) HDFS
2 8 (6.90%) Apache Flume
3 5 (4.31%) VMware Infrastructure
4 4 (3.45%) Active Directory
4 4 (3.45%) Docker
4 4 (3.45%) Oracle RAC
5 3 (2.59%) Apache ZooKeeper
5 3 (2.59%) Hyper-V
5 3 (2.59%) NFS
6 2 (1.72%) KVM
6 2 (1.72%) SRDF
7 1 (0.86%) VMware ESX
7 1 (0.86%) Xen
Systems Management
1 5 (4.31%) Oozie
2 4 (3.45%) Ambari
2 4 (3.45%) Opscode Chef
3 3 (2.59%) Puppet
4 2 (1.72%) Ansible
4 2 (1.72%) Kubernetes
4 2 (1.72%) Mesos
5 1 (0.86%) FreeIPA
5 1 (0.86%) Ganglia
5 1 (0.86%) Nagios
5 1 (0.86%) SELinux
Vendors
1 15 (12.93%) Oracle
2 12 (10.34%) Cloudera
3 11 (9.48%) Hortonworks
4 10 (8.62%) Tableau
5 6 (5.17%) Sybase
6 5 (4.31%) Splunk
6 5 (4.31%) Teradata
6 5 (4.31%) VMware
7 4 (3.45%) IBM
7 4 (3.45%) RapidMiner
8 2 (1.72%) Bloomberg
8 2 (1.72%) Cisco
8 2 (1.72%) Citrix
8 2 (1.72%) Dell
8 2 (1.72%) EMC
8 2 (1.72%) HP
8 2 (1.72%) Intel
8 2 (1.72%) Microsoft
8 2 (1.72%) NetApp
8 2 (1.72%) Reuters
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