The table below looks at the statistics for Big Data 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 Big Data over the 3 months to 28 November 2014 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
28 Nov 2014
Same period 2013 Same period 2012
Big Data
Rank 100 187 171
Rank change year-on-year
+87 -16
Contract jobs citing Big Data 108 43 29
As % of all contract IT jobs located in the City of London 1.84% 0.61% 0.46%
As % of the Database & Business Intelligence category 8.25% 2.47% 2.04%
Number of daily rates quoted 87 33 24
Average daily rate
Keep up to 90%
of your Daily Rate
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£500 £475 £469
Average daily rate % change year-on-year
+5.26% +1.33%
90% offered a daily rate of more than £297 £385 £275
10% offered a daily rate of more than £650 £600 £593
UK excluding London average daily rate £475 £425 £375
% change year-on-year
+11.76% +13.33%
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate £37.50 - -
Big Data
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
1309 1740 1425
As % of all contract IT jobs located in the City of London 22.31% 24.62% 22.39%
Number of daily rates quoted 1047 1320 1097
Average daily rate £425 £425 £450
Average daily rate % change year-on-year
- -5.55%
90% offered a daily rate of more than £290 £325 £292
10% offered a daily rate of more than £600 £600 £600
UK excluding London average daily rate £363 £325 £333
% change year-on-year
+11.53% -2.25%
Number of hourly rates quoted 4 8 14
Average hourly rate £34.00 £41.53 £27.75
Average hourly rate % change year-on-year
-18.13% +49.65%
90% offered a hourly rate of more than £29.20 £31.50 £13.57
10% offered a hourly rate of more than £44.50 £104.10 £49.00
UK excluding London average hourly rate £33.50 £27.50 £32.50
% change year-on-year
+21.81% -15.38%

Big Data
Jobs Demand Trend in the City of London

This chart provides a 3-month moving total of IT contractor jobs citing Big Data across the City of London region as a proportion of the total demand within the Database & Business Intelligence category.

Big Data Jobs Demand Trend in the City of London

Big Data
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 Big Data across the City of London region.

Big Data Daily Rate Trend in the City of London

Big Data
Daily Rate Histogram in the City of London

This chart provides a histogram of daily rates quoted in contract IT jobs citing Big Data across the City of London region over the 3 months to 28 November 2014.

Big Data Daily Rate Histogram in the City of London

Big Data
Top 30 Related IT Skills in the City of London

For the 6 months to 28 November 2014, IT contractor jobs across the City of London region citing Big Data 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 Big Data.

1 96 (51.06%) Hadoop
2 77 (40.96%) Java
3 67 (35.64%) Agile Software Development
4 61 (32.45%) SQL
5 46 (24.47%) Analytics
6 42 (22.34%) Banking
7 39 (20.74%) Oracle
8 37 (19.68%) Finance
9 34 (18.09%) Python
9 34 (18.09%) NoSQL
10 33 (17.55%) MongoDB
11 30 (15.96%) Apache Hive
12 28 (14.89%) Scala
12 28 (14.89%) TDD
12 28 (14.89%) Apache Spark
13 27 (14.36%) Analytical Skills
14 26 (13.83%) Scrum
15 25 (13.30%) Linux
15 25 (13.30%) ETL
16 23 (12.23%) MapReduce
17 22 (11.70%) Investment Banking
18 21 (11.17%) Data Modelling
18 21 (11.17%) UNIX
19 20 (10.64%) Data Warehouse
20 19 (10.11%) SQL Server
21 18 (9.57%) C#
22 17 (9.04%) Apache Cassandra
22 17 (9.04%) Apache Pig
22 17 (9.04%) Degree
22 17 (9.04%) Algorithms

Big Data
Top Related IT Skills in the City of London by Category

For the 6 months to 28 November 2014, IT contractor jobs across the City of London region citing Big Data 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 Big Data. Up to 20 skills are shown per category.

Application Platforms
1 28 (14.89%) Apache Spark
2 17 (9.04%) Apache Pig
3 16 (8.51%) Apache
4 12 (6.38%) SAS
5 11 (5.85%) Elasticsearch
6 5 (2.66%) Tomcat
7 2 (1.06%) Apache Solr
7 2 (1.06%) Apache ServiceMix
7 2 (1.06%) Node.js
7 2 (1.06%) WebLogic
7 2 (1.06%) IIS
8 1 (0.53%) WebSphere Application Server
8 1 (0.53%) WebSphere
8 1 (0.53%) Jetty
Applications
1 8 (4.26%) MS Excel
2 4 (2.13%) SPSS
3 3 (1.60%) MS PowerPoint
4 1 (0.53%) MS Visio
4 1 (0.53%) Weka
Business Applications
1 7 (3.72%) Google Analytics
2 2 (1.06%) Oracle Subledger Accounting
2 2 (1.06%) SiteCatalyst
2 2 (1.06%) WebTrends
Cloud Services
1 9 (4.79%) Amazon AWS
2 7 (3.72%) Amazon EMR
2 7 (3.72%) Amazon EC2
3 4 (2.13%) Amazon S3
3 4 (2.13%) Microsoft Azure
4 2 (1.06%) Cloud Computing
4 2 (1.06%) Amazon SQS
4 2 (1.06%) AWS Data Pipeline
5 1 (0.53%) Amazon Kinesis
5 1 (0.53%) PaaS
Communications & Networking
1 4 (2.13%) AMQP
1 4 (2.13%) Internet
2 2 (1.06%) Network Security
2 2 (1.06%) Kerberos
2 2 (1.06%) TCP/IP
2 2 (1.06%) VPN
3 1 (0.53%) LAN
3 1 (0.53%) WAN
3 1 (0.53%) DHCP
3 1 (0.53%) LDAP
3 1 (0.53%) SSL
3 1 (0.53%) MPLS
3 1 (0.53%) Firewall
Database & Business Intelligence
1 96 (51.06%) Hadoop
2 34 (18.09%) NoSQL
3 33 (17.55%) MongoDB
4 30 (15.96%) Apache Hive
5 20 (10.64%) Data Warehouse
6 19 (10.11%) SQL Server
7 17 (9.04%) Apache Cassandra
8 13 (6.91%) Relational Database
9 11 (5.85%) Data Mining
10 10 (5.32%) HBase
11 7 (3.72%) Oracle Database
11 7 (3.72%) MarkLogic
11 7 (3.72%) Couchbase
12 6 (3.19%) Redis
12 6 (3.19%) Mahout
12 6 (3.19%) RDBMS
12 6 (3.19%) DB2
13 5 (2.66%) MySQL
13 5 (2.66%) Sqoop
13 5 (2.66%) SQL Server 2008
Development Applications
1 8 (4.26%) Git (software)
2 7 (3.72%) Jenkins
3 5 (2.66%) JIRA
4 4 (2.13%) TeamCity
4 4 (2.13%) Maven
4 4 (2.13%) JUnit
5 3 (1.60%) Talend Open Studio
6 2 (1.06%) Team Foundation Server
6 2 (1.06%) Selenium
6 2 (1.06%) Cucumber
6 2 (1.06%) Subversion
6 2 (1.06%) QuickTest Pro
7 1 (0.53%) Eclipse
7 1 (0.53%) NUnit
7 1 (0.53%) SoapUI
7 1 (0.53%) Octopus Deploy
7 1 (0.53%) SQL Server Management Studio (SSMS)
7 1 (0.53%) Oracle APEX
7 1 (0.53%) RSpec
7 1 (0.53%) Mockito
General
1 42 (22.34%) Banking
2 37 (19.68%) Finance
3 22 (11.70%) Investment Banking
4 11 (5.85%) Marketing
5 7 (3.72%) Retail
6 5 (2.66%) Publishing
6 5 (2.66%) Front Office
7 4 (2.13%) Games
8 2 (1.06%) Telecoms
9 1 (0.53%) Law
9 1 (0.53%) Financial Institution
9 1 (0.53%) Back Office
9 1 (0.53%) French Language
9 1 (0.53%) Retail Banking
9 1 (0.53%) Corporate Banking
9 1 (0.53%) Private Banking
Job Titles
1 70 (37.23%) Developer
2 28 (14.89%) Analyst
3 25 (13.30%) Architect
4 23 (12.23%) Java Developer
5 14 (7.45%) Data Scientist
6 13 (6.91%) Data Architect
7 11 (5.85%) Big Data Developer
8 10 (5.32%) Business Analyst
8 10 (5.32%) Consultant
8 10 (5.32%) Data Analyst
9 9 (4.79%) Data Consultant
9 9 (4.79%) Scala Developer
10 7 (3.72%) Project Manager
10 7 (3.72%) DBA
10 7 (3.72%) .NET Developer
10 7 (3.72%) Big Data Consultant
11 6 (3.19%) Hadoop Developer
11 6 (3.19%) C# .NET Developer
11 6 (3.19%) C# Developer
12 5 (2.66%) Solutions Architect
Libraries, Frameworks & Software Standards
1 16 (8.51%) HTML
2 15 (7.98%) .NET
3 14 (7.45%) Web Services
3 14 (7.45%) XML
4 13 (6.91%) Spring
5 11 (5.85%) HTML5
5 11 (5.85%) RESTful
6 7 (3.72%) REST
6 7 (3.72%) Kafka
7 6 (3.19%) jQuery
7 6 (3.19%) JSON
7 6 (3.19%) Hibernate
8 5 (2.66%) JSP
8 5 (2.66%) Apache Camel
8 5 (2.66%) Apache Avro
8 5 (2.66%) Apache Flex
9 4 (2.13%) Akka
9 4 (2.13%) RabbitMQ
9 4 (2.13%) CSS
9 4 (2.13%) J2EE
Miscellaneous
1 27 (14.36%) Analytical Skills
2 17 (9.04%) Algorithms
3 14 (7.45%) Foreign Exchange (FX)
3 14 (7.45%) Open Source
4 12 (6.38%) Statistics
4 12 (6.38%) Data Structures
5 11 (5.85%) Visualisation
6 10 (5.32%) Computer Science
7 9 (4.79%) Credit Risk
8 8 (4.26%) Market Risk
9 6 (3.19%) Mathematics
9 6 (3.19%) User Experience
10 5 (2.66%) Fixed Income
10 5 (2.66%) Digital Media
11 4 (2.13%) Enterprise Software
11 4 (2.13%) Derivative
12 3 (1.60%) Client/Server
12 3 (1.60%) Mobile App
12 3 (1.60%) FMCG
12 3 (1.60%) Data Integration
Operating Systems
1 25 (13.30%) Linux
2 21 (11.17%) UNIX
3 9 (4.79%) Windows
4 2 (1.06%) Android
4 2 (1.06%) Apple iOS
4 2 (1.06%) Ubuntu
4 2 (1.06%) AIX
4 2 (1.06%) HPUX
4 2 (1.06%) Solaris
5 1 (0.53%) Mac OS X
5 1 (0.53%) Debian
5 1 (0.53%) SmartOS
5 1 (0.53%) CentOS
Processes & Methodologies
1 67 (35.64%) Agile Software Development
2 46 (24.47%) Analytics
3 28 (14.89%) TDD
4 26 (13.83%) Scrum
5 25 (13.30%) ETL
6 23 (12.23%) MapReduce
7 21 (11.17%) Data Modelling
8 15 (7.98%) Mentoring
9 14 (7.45%) Business Intelligence
9 14 (7.45%) Data Analysis
10 13 (6.91%) Software Engineering
11 12 (6.38%) OO
12 11 (5.85%) Stakeholder Management
12 11 (5.85%) Risk Management
12 11 (5.85%) Project Management
12 11 (5.85%) BDD
13 10 (5.32%) E-Commerce
14 9 (4.79%) Machine Learning
14 9 (4.79%) Continuous Integration
14 9 (4.79%) Data Architecture
Programming Languages
1 77 (40.96%) Java
2 61 (32.45%) SQL
3 34 (18.09%) Python
4 28 (14.89%) Scala
5 18 (9.57%) C#
6 16 (8.51%) R
6 16 (8.51%) C++
7 14 (7.45%) JavaScript
8 13 (6.91%) PL/SQL
9 10 (5.32%) Perl
10 5 (2.66%) T-SQL
10 5 (2.66%) Shell Script
10 5 (2.66%) Bash Shell
11 4 (2.13%) Haskell
12 3 (1.60%) Ruby
13 2 (1.06%) F#
14 1 (0.53%) VBA
14 1 (0.53%) PHP
14 1 (0.53%) XQuery
14 1 (0.53%) AWK
Qualifications
1 17 (9.04%) Degree
2 4 (2.13%) Security Cleared
2 4 (2.13%) Microsoft Certification
2 4 (2.13%) PhD
3 3 (1.60%) MCT
4 1 (0.53%) ISTQB Foundation Certification
4 1 (0.53%) ISEB
4 1 (0.53%) ITIL Certification
4 1 (0.53%) ISTQB
4 1 (0.53%) SC Cleared
4 1 (0.53%) DV Cleared
Quality Assurance & Compliance
1 4 (2.13%) QA
2 2 (1.06%) Data Quality
3 1 (0.53%) ISO 9001
System Software
1 9 (4.79%) HDFS
2 8 (4.26%) Apache Flume
3 3 (1.60%) Apache ZooKeeper
4 2 (1.06%) VMware Infrastructure
4 2 (1.06%) Active Directory
5 1 (0.53%) Oracle RAC
5 1 (0.53%) vSphere
Systems Management
1 8 (4.26%) Oozie
2 6 (3.19%) Puppet
3 4 (2.13%) Opscode Chef
3 4 (2.13%) Hadoop YARN
4 3 (1.60%) Mesos
4 3 (1.60%) Vagrant
5 1 (0.53%) Ansible
5 1 (0.53%) Ambari
5 1 (0.53%) ZABBIX
5 1 (0.53%) YUM
Vendors
1 39 (20.74%) Oracle
2 16 (8.51%) Microsoft
3 10 (5.32%) Cloudera
4 9 (4.79%) Google
5 8 (4.26%) Adobe
6 7 (3.72%) Informatica
6 7 (3.72%) Tableau
7 6 (3.19%) Teradata
8 5 (2.66%) Sybase
8 5 (2.66%) Business Objects
9 4 (2.13%) Omniture
10 3 (1.60%) MicroStrategy
10 3 (1.60%) DoubleClick
10 3 (1.60%) Coremetrics
10 3 (1.60%) Talend
10 3 (1.60%) Vertica
10 3 (1.60%) GigaSpaces
11 2 (1.06%) Datameer
11 2 (1.06%) Facebook
11 2 (1.06%) Twitter
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