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 average contractor rates offered in IT contracts that have cited Hadoop over the 3 months to 29 January 2015 with a comparison to the same period in 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.

Location
3 months to
29 Jan 2015
Same period 2014 Same period 2013
Apache Hadoop
Rank 110 151 150
Rank change year-on-year
+41 -1
Contract jobs citing Hadoop 78 50 44
As % of all contract IT jobs located in the City of London 1.57% 0.84% 0.77%
As % of the Database & Business Intelligence category 6.79% 3.45% 3.15%
Number of daily rates quoted 70 45 36
Average daily rate
Keep up to 90%
of your Daily Rate
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£588 £575 £488
Average daily rate % change year-on-year
+2.17% +17.94%
90% offered a daily rate of more than £450 £425 £325
10% offered a daily rate of more than £700 £700 £530
UK excluding London average daily rate £475 £550 £350
% change year-on-year
-13.63% +57.14%
Number of hourly rates quoted 0 0 1
Average hourly rate - - £52.50
UK excluding London average hourly rate £36.50 - -
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
1149 1450 1395
As % of all contract IT jobs located in the City of London 23.17% 24.25% 24.26%
Number of daily rates quoted 910 1077 1085
Average daily rate £428 £450 £425
Average daily rate % change year-on-year
-5.00% +5.88%
90% offered a daily rate of more than £303 £325 £320
10% offered a daily rate of more than £600 £575 £575
UK excluding London average daily rate £363 £350 £330
% change year-on-year
+3.57% +6.06%
Number of hourly rates quoted 1 5 6
Average hourly rate £36.00 £94.25 £49.00
Average hourly rate % change year-on-year
-61.80% +92.34%
UK excluding London average hourly rate £33.50 £27.50 £30.50
% change year-on-year
+21.81% -9.83%

Hadoop
Jobs Demand Trend in the City of London

This chart provides a 3-month moving total of IT contractor jobs citing Hadoop across the City of London region as a proportion of the total demand within 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 29 January 2015.

Hadoop Daily Rate Histogram in the City of London

Hadoop
Top 30 Related IT Skills in the City of London

For the 6 months to 29 January 2015, IT contractor jobs across the City of London region citing Hadoop 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 contract IT job ads sampled that cited Hadoop.

1 107 (71.33%) Big Data
2 76 (50.67%) Java
3 59 (39.33%) Agile Software Development
4 56 (37.33%) SQL
5 41 (27.33%) Apache Hive
6 38 (25.33%) Apache Spark
6 38 (25.33%) Python
7 32 (21.33%) Analytics
8 31 (20.67%) MapReduce
9 29 (19.33%) Oracle
10 26 (17.33%) Linux
10 26 (17.33%) MongoDB
11 25 (16.67%) Data Warehouse
12 24 (16.00%) NoSQL
13 23 (15.33%) Scala
14 22 (14.67%) TDD
14 22 (14.67%) Business Intelligence
15 21 (14.00%) Finance
15 21 (14.00%) Banking
16 20 (13.33%) Data Modelling
17 19 (12.67%) Apache Pig
18 18 (12.00%) Apache
19 17 (11.33%) ETL
19 17 (11.33%) JavaScript
19 17 (11.33%) HTML
19 17 (11.33%) Analytical Skills
20 15 (10.00%) Investment Banking
21 14 (9.33%) Scrum
21 14 (9.33%) SQL Server
21 14 (9.33%) DB2

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

For the 6 months to 29 January 2015, IT contractor jobs across the City of London region citing Hadoop also mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited Hadoop. Up to 20 skills are shown per category.

Application Platforms
1 38 (25.33%) Apache Spark
2 19 (12.67%) Apache Pig
3 18 (12.00%) Apache
4 10 (6.67%) Elasticsearch
5 8 (5.33%) SAS
6 6 (4.00%) Tomcat
7 2 (1.33%) Oracle Coherence
7 2 (1.33%) Oracle Workflow
7 2 (1.33%) WebLogic
7 2 (1.33%) Node.js
7 2 (1.33%) OpenStack
7 2 (1.33%) Apache Solr
8 1 (0.67%) Oracle HTTP Server
8 1 (0.67%) IIS
8 1 (0.67%) CMS
8 1 (0.67%) Jetty
8 1 (0.67%) WebSphere
Applications
1 3 (2.00%) MS Excel
2 1 (0.67%) Weka
Business Applications
1 1 (0.67%) RMDS
1 1 (0.67%) SAP Oil and Gas
Cloud Services
1 12 (8.00%) Amazon AWS
2 10 (6.67%) Amazon EC2
3 9 (6.00%) Amazon EMR
4 7 (4.67%) Amazon S3
5 3 (2.00%) Cloud Computing
6 1 (0.67%) Amazon Kinesis
6 1 (0.67%) AWS Data Pipeline
6 1 (0.67%) Amazon SQS
6 1 (0.67%) Microsoft Azure
Communications & Networking
1 3 (2.00%) Internet
2 2 (1.33%) SAN
3 1 (0.67%) Multicast
3 1 (0.67%) NAS
3 1 (0.67%) AMQP
3 1 (0.67%) iSCSI
3 1 (0.67%) FCoE
3 1 (0.67%) Fibre Channel
3 1 (0.67%) LAN
3 1 (0.67%) WAN
3 1 (0.67%) DHCP
3 1 (0.67%) HTTP
3 1 (0.67%) Kerberos
3 1 (0.67%) VPN
3 1 (0.67%) LDAP
Database & Business Intelligence
1 107 (71.33%) Big Data
2 41 (27.33%) Apache Hive
3 26 (17.33%) MongoDB
4 25 (16.67%) Data Warehouse
5 24 (16.00%) NoSQL
6 14 (9.33%) SQL Server
6 14 (9.33%) DB2
6 14 (9.33%) Apache Cassandra
7 13 (8.67%) HBase
8 12 (8.00%) Relational Database
9 8 (5.33%) PostgreSQL
10 6 (4.00%) SQL Server Integration Services
10 6 (4.00%) MySQL
10 6 (4.00%) RDBMS
10 6 (4.00%) Redis
10 6 (4.00%) Impala
11 5 (3.33%) Sqoop
11 5 (3.33%) Mahout
12 4 (2.67%) QlikView
12 4 (2.67%) Spotfire
Development Applications
1 8 (5.33%) Git (software)
2 5 (3.33%) Jenkins
2 5 (3.33%) Atlassian Bamboo
3 4 (2.67%) JIRA
4 3 (2.00%) Team Foundation Server
4 3 (2.00%) Eclipse
4 3 (2.00%) Subversion
4 3 (2.00%) Maven
5 2 (1.33%) TeamCity
5 2 (1.33%) Talend Open Studio
6 1 (0.67%) Octopus Deploy
6 1 (0.67%) Cucumber
6 1 (0.67%) Mockito
6 1 (0.67%) PyUnit
6 1 (0.67%) Oracle Forms
6 1 (0.67%) JUnit
6 1 (0.67%) Selenium
6 1 (0.67%) Oracle APEX
General
1 21 (14.00%) Finance
1 21 (14.00%) Banking
2 15 (10.00%) Investment Banking
3 9 (6.00%) Front Office
3 9 (6.00%) Marketing
4 3 (2.00%) Retail
4 3 (2.00%) Legal
5 2 (1.33%) Publishing
5 2 (1.33%) Telecoms
6 1 (0.67%) Back Office
6 1 (0.67%) Financial Institution
6 1 (0.67%) Electronics
6 1 (0.67%) Law
6 1 (0.67%) Manufacturing
6 1 (0.67%) Retail Banking
Job Titles
1 62 (41.33%) Developer
2 25 (16.67%) Java Developer
3 19 (12.67%) Architect
4 14 (9.33%) Analyst
5 11 (7.33%) Data Architect
6 10 (6.67%) Hadoop Developer
7 9 (6.00%) Big Data Developer
7 9 (6.00%) Senior Developer
7 9 (6.00%) Consultant
8 8 (5.33%) Data Consultant
8 8 (5.33%) Data Scientist
8 8 (5.33%) Big Data Consultant
8 8 (5.33%) Big Data Architect
9 6 (4.00%) Oracle Developer
9 6 (4.00%) Business Analyst
9 6 (4.00%) DBA
9 6 (4.00%) Solutions Architect
9 6 (4.00%) Scala Developer
10 5 (3.33%) Risk Analyst
10 5 (3.33%) Data Analyst
Libraries, Frameworks & Software Standards
1 17 (11.33%) HTML
2 10 (6.67%) HTML5
3 8 (5.33%) J2EE
4 7 (4.67%) Kafka
4 7 (4.67%) Web Services
4 7 (4.67%) XML
5 6 (4.00%) Spring
5 6 (4.00%) REST
5 6 (4.00%) RESTful
6 5 (3.33%) Apache Avro
6 5 (3.33%) D3.js
6 5 (3.33%) .NET
7 4 (2.67%) CSS
7 4 (2.67%) Akka
8 3 (2.00%) Hibernate
8 3 (2.00%) Java EE
9 2 (1.33%) JSON
9 2 (1.33%) MDX
9 2 (1.33%) .NET Framework
9 2 (1.33%) Dojo
Miscellaneous
1 17 (11.33%) Analytical Skills
2 13 (8.67%) Open Source
2 13 (8.67%) Credit Risk
3 12 (8.00%) Visualisation
4 9 (6.00%) Algorithms
4 9 (6.00%) Statistics
4 9 (6.00%) Market Risk
5 8 (5.33%) Computer Science
5 8 (5.33%) Foreign Exchange (FX)
6 4 (2.67%) FMCG
6 4 (2.67%) Social Media
6 4 (2.67%) Data Structures
7 3 (2.00%) Digital Media
7 3 (2.00%) Replication
8 2 (1.33%) Derivative
8 2 (1.33%) Economics
8 2 (1.33%) Mathematics
8 2 (1.33%) Fixed Income
8 2 (1.33%) Equities
8 2 (1.33%) Enterprise Software
Operating Systems
1 26 (17.33%) Linux
2 13 (8.67%) UNIX
3 9 (6.00%) Windows
4 2 (1.33%) Oracle Linux
5 1 (0.67%) Mac OS X
5 1 (0.67%) Solaris
5 1 (0.67%) Ubuntu
Processes & Methodologies
1 59 (39.33%) Agile Software Development
2 32 (21.33%) Analytics
3 31 (20.67%) MapReduce
4 22 (14.67%) TDD
4 22 (14.67%) Business Intelligence
5 20 (13.33%) Data Modelling
6 17 (11.33%) ETL
7 14 (9.33%) Scrum
7 14 (9.33%) OO
8 12 (8.00%) Software Engineering
8 12 (8.00%) Mentoring
9 11 (7.33%) BDD
10 10 (6.67%) Data Architecture
11 9 (6.00%) Risk Management
11 9 (6.00%) Continuous Integration
12 7 (4.67%) Performance Tuning
12 7 (4.67%) Machine Learning
12 7 (4.67%) Stakeholder Management
12 7 (4.67%) Data Analysis
12 7 (4.67%) Unit Testing
Programming Languages
1 76 (50.67%) Java
2 56 (37.33%) SQL
3 38 (25.33%) Python
4 23 (15.33%) Scala
5 17 (11.33%) JavaScript
6 12 (8.00%) R
7 11 (7.33%) C#
7 11 (7.33%) C++
8 8 (5.33%) Perl
9 6 (4.00%) PL/SQL
10 5 (3.33%) Shell Script
11 4 (2.67%) T-SQL
12 3 (2.00%) Clojure
12 3 (2.00%) Bash Shell
13 2 (1.33%) PHP
13 2 (1.33%) MATLAB
14 1 (0.67%) sed
14 1 (0.67%) OCaml
14 1 (0.67%) F#
14 1 (0.67%) AWK
Qualifications
1 13 (8.67%) Degree
2 5 (3.33%) Security Cleared
3 4 (2.67%) Microsoft Certification
3 4 (2.67%) DV Cleared
4 2 (1.33%) MCT
4 2 (1.33%) PMP
4 2 (1.33%) PMI Certification
5 1 (0.67%) SC Cleared
5 1 (0.67%) ITIL Certification
5 1 (0.67%) PhD
5 1 (0.67%) MCPD
Quality Assurance & Compliance
1 3 (2.00%) QA
2 2 (1.33%) Basel III
2 2 (1.33%) Dodd-Frank
3 1 (0.67%) Data Quality
System Software
1 10 (6.67%) HDFS
2 9 (6.00%) Apache Flume
3 6 (4.00%) Apache ZooKeeper
4 2 (1.33%) Oracle RAC
5 1 (0.67%) KVM
5 1 (0.67%) SRDF
5 1 (0.67%) Hyper-V
5 1 (0.67%) VMware Infrastructure
5 1 (0.67%) NFS
5 1 (0.67%) Xen
Systems Management
1 10 (6.67%) Oozie
2 4 (2.67%) Puppet
2 4 (2.67%) Mesos
3 3 (2.00%) Hadoop YARN
4 2 (1.33%) Ambari
4 2 (1.33%) Opscode Chef
5 1 (0.67%) logstash
5 1 (0.67%) Kibana
5 1 (0.67%) Foglight
Vendors
1 29 (19.33%) Oracle
2 14 (9.33%) Tableau
3 12 (8.00%) Cloudera
4 8 (5.33%) Teradata
4 8 (5.33%) Hortonworks
5 7 (4.67%) Microsoft
5 7 (4.67%) Business Objects
6 4 (2.67%) Sybase
6 4 (2.67%) TIBCO
6 4 (2.67%) Vertica
7 3 (2.00%) IBM
7 3 (2.00%) Informatica
7 3 (2.00%) SAP
8 2 (1.33%) Netezza
8 2 (1.33%) DataSynapse
8 2 (1.33%) Ab Initio
8 2 (1.33%) HP
8 2 (1.33%) Splunk
8 2 (1.33%) Talend
8 2 (1.33%) Datameer
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