The table below looks at the statistics for HDFS skills in IT contracts advertised for the England region. Included is a guide to the average contractor rates offered in IT contracts that have cited HDFS over the 3 months to 12 September 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
12 Sep 2014
Same period 2013 Same period 2012
Hadoop Distributed File System (HDFS)
Rank 548 540 578
Rank change year-on-year
-8 +38
Contract jobs citing HDFS 34 18 2
As % of all contract IT jobs located in England 0.065% 0.037% 0.004%
As % of the System Software category 0.67% 0.38% 0.045%
Number of daily rates quoted 26 18 2
Average daily rate
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of your Daily Rate
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£775 £395 £513
Average daily rate % change year-on-year
+96.20% -22.92%
UK excluding London average daily rate - - -
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate - - -
HDFS
UK

The following table is for comparison with the above and provides statistics for the entire System Software category in contract jobs advertised in the England region.

System Software Category
England
Contract IT job ads with a match in the
System Software category
5049 4730 4477
As % of all contract IT jobs located in England 9.72% 9.79% 8.40%
Number of daily rates quoted 2804 2537 2232
Average daily rate £340 £338 £338
Average daily rate % change year-on-year
+0.74% -
90% offered a daily rate of more than £175 £180 £200
10% offered a daily rate of more than £500 £475 £450
UK excluding London average daily rate £315 £325 £325
% change year-on-year
-3.07% -
Number of hourly rates quoted 634 532 541
Average hourly rate £17.00 £17.50 £16.50
Average hourly rate % change year-on-year
-2.85% +6.06%
90% offered a hourly rate of more than £10.53 £11.00 £11.35
10% offered a hourly rate of more than £32.00 £32.50 £33.50
UK excluding London average hourly rate £17.00 £16.50 £15.50
% change year-on-year
+3.03% +6.45%

HDFS
Jobs Demand Trend in England

This chart provides a 3-month moving total of IT contractor jobs citing HDFS across the England region as a proportion of the total demand within the System Software category.

HDFS Jobs Demand Trend in England

HDFS
Daily Rate Trend in England

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing HDFS across the England region.

HDFS Daily Rate Trend in England

HDFS
Daily Rate Histogram in England

This chart provides a histogram of daily rates quoted in contract IT jobs citing HDFS across the England region over the 3 months to 12 September 2014.

HDFS Daily Rate Histogram in England

HDFS
Contract Job Locations in England

The table below looks at the demand and provides a guide to the average contractor rates quoted in IT jobs citing HDFS within the England region over the 3 months to 12 September 2014. 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
(Use links below to see detailed
statistics and historical trends)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Average
Daily Rate
Last 3 Months
Average Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
London +21 34 £775 +96.20% 2
East Midlands - - - -
South East - - - - 1
West Midlands - - - -
East of England - - - - 1
HDFS
UK

HDFS
Top 30 Related IT Skills in England

For the 6 months to 12 September 2014, IT contractor jobs across the England region citing HDFS 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 HDFS.

1 46 (92.00%) Hadoop
2 45 (90.00%) Big Data
3 43 (86.00%) Apache Hive
4 34 (68.00%) HBase
5 33 (66.00%) MapReduce
6 29 (58.00%) Oozie
7 27 (54.00%) NoSQL
8 26 (52.00%) MongoDB
8 26 (52.00%) Mahout
9 25 (50.00%) Apache Cassandra
9 25 (50.00%) Java
10 23 (46.00%) Apache Flume
11 22 (44.00%) Apache Pig
11 22 (44.00%) Sqoop
12 21 (42.00%) Analytics
12 21 (42.00%) Apache ZooKeeper
13 20 (40.00%) Couchbase
13 20 (40.00%) Data Warehouse
13 20 (40.00%) Netezza
14 19 (38.00%) Visualisation
14 19 (38.00%) Riak
15 18 (36.00%) Hortonworks
15 18 (36.00%) Ambari
15 18 (36.00%) HCatalog
15 18 (36.00%) Oracle Exadata
15 18 (36.00%) Teradata
16 17 (34.00%) Banking
16 17 (34.00%) MapR
16 17 (34.00%) MarkLogic
17 15 (30.00%) Impala

HDFS
Top Related IT Skills in England by Category

For the 6 months to 12 September 2014, IT contractor jobs across the England region citing HDFS 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 HDFS. Up to 20 skills are shown per category.

Application Platforms
1 22 (44.00%) Apache Pig
2 7 (14.00%) Apache
3 4 (8.00%) Oracle Coherence
4 2 (4.00%) Elasticsearch
5 1 (2.00%) Confluence
5 1 (2.00%) SAS
Applications
1 1 (2.00%) MS Excel
Cloud Services
1 4 (8.00%) Amazon AWS
2 2 (4.00%) Amazon EMR
2 2 (4.00%) Cloud Computing
2 2 (4.00%) Microsoft Azure
Communications & Networking
1 4 (8.00%) LAN
1 4 (8.00%) WAN
2 2 (4.00%) AMQP
2 2 (4.00%) LDAP
Database & Business Intelligence
1 46 (92.00%) Hadoop
2 45 (90.00%) Big Data
3 43 (86.00%) Apache Hive
4 34 (68.00%) HBase
5 27 (54.00%) NoSQL
6 26 (52.00%) MongoDB
6 26 (52.00%) Mahout
7 25 (50.00%) Apache Cassandra
8 22 (44.00%) Sqoop
9 20 (40.00%) Couchbase
9 20 (40.00%) Data Warehouse
10 19 (38.00%) Riak
11 18 (36.00%) HCatalog
11 18 (36.00%) Oracle Exadata
12 17 (34.00%) MarkLogic
13 15 (30.00%) Impala
14 8 (16.00%) SQL Server
15 7 (14.00%) DB2
16 5 (10.00%) MySQL
17 4 (8.00%) Redis
Development Applications
1 7 (14.00%) JUnit
2 5 (10.00%) JIRA
2 5 (10.00%) Mockito
3 3 (6.00%) TeamCity
3 3 (6.00%) Git (software)
3 3 (6.00%) Maven
3 3 (6.00%) Hudson
4 2 (4.00%) Jenkins
4 2 (4.00%) Talend Open Studio
4 2 (4.00%) Cucumber
General
1 17 (34.00%) Banking
2 8 (16.00%) Finance
3 5 (10.00%) Investment Banking
4 2 (4.00%) Marketing
4 2 (4.00%) Financial Institution
5 1 (2.00%) Front Office
5 1 (2.00%) Games
Job Titles
1 20 (40.00%) Architect
2 13 (26.00%) Developer
3 12 (24.00%) Enterprise Architect
4 5 (10.00%) Hadoop Developer
4 5 (10.00%) Big Data Architect
4 5 (10.00%) Data Architect
4 5 (10.00%) Java Developer
5 4 (8.00%) Consultant
5 4 (8.00%) Trainer
5 4 (8.00%) Big Data Developer
5 4 (8.00%) Big Data Consultant
5 4 (8.00%) Data Consultant
6 3 (6.00%) Lead Architect
6 3 (6.00%) Senior Developer
7 2 (4.00%) Technical Architect
8 1 (2.00%) Lead Developer
8 1 (2.00%) Data Scientist
8 1 (2.00%) Senior Java Developer
8 1 (2.00%) Senior Big Data Developer
Libraries, Frameworks & Software Standards
1 14 (28.00%) Kafka
2 13 (26.00%) Cascading
3 5 (10.00%) JDBC
3 5 (10.00%) XML
3 5 (10.00%) ActiveMQ
3 5 (10.00%) Spring
4 4 (8.00%) JSON
4 4 (8.00%) SOAP
4 4 (8.00%) Web Services
4 4 (8.00%) HTML
5 3 (6.00%) Hibernate
5 3 (6.00%) J2SE
6 2 (4.00%) JMS
6 2 (4.00%) XSD
6 2 (4.00%) ODBC
6 2 (4.00%) JSP
6 2 (4.00%) Servlets
6 2 (4.00%) Spring MVC
6 2 (4.00%) RESTful
6 2 (4.00%) HTML5
Miscellaneous
1 19 (38.00%) Visualisation
2 4 (8.00%) Analytical Skills
3 2 (4.00%) Derivative
3 2 (4.00%) Computer Science
3 2 (4.00%) Social Network
3 2 (4.00%) Market Risk
3 2 (4.00%) Data Integration
4 1 (2.00%) Statistics
4 1 (2.00%) Informatics
4 1 (2.00%) Mathematics
4 1 (2.00%) Management Information System
4 1 (2.00%) Open Source
Operating Systems
1 13 (26.00%) Linux
2 8 (16.00%) UNIX
3 3 (6.00%) Windows
4 2 (4.00%) Windows Server 2003
Processes & Methodologies
1 33 (66.00%) MapReduce
2 21 (42.00%) Analytics
3 15 (30.00%) Business Intelligence
4 7 (14.00%) Performance Tuning
5 6 (12.00%) Unit Testing
5 6 (12.00%) Agile Software Development
6 5 (10.00%) TDD
6 5 (10.00%) ETL
6 5 (10.00%) Benchmarking
7 4 (8.00%) RAD
7 4 (8.00%) Scrum
7 4 (8.00%) BDD
7 4 (8.00%) Machine Learning
7 4 (8.00%) Big Data Analytics
8 3 (6.00%) Continuous Integration
9 2 (4.00%) Kanban
9 2 (4.00%) Market Research
9 2 (4.00%) Domain-Driven Design
9 2 (4.00%) Complex Event Processing
9 2 (4.00%) CQRS
Programming Languages
1 25 (50.00%) Java
2 14 (28.00%) SQL
3 9 (18.00%) C#
4 7 (14.00%) Python
5 6 (12.00%) Scala
6 5 (10.00%) Bash Shell
7 3 (6.00%) Shell Script
7 3 (6.00%) C++
8 2 (4.00%) JavaScript
8 2 (4.00%) PL/SQL
8 2 (4.00%) R
9 1 (2.00%) C
9 1 (2.00%) Groovy
Qualifications
1 4 (8.00%) MCT
1 4 (8.00%) Microsoft Certification
2 3 (6.00%) Degree
System Software
1 23 (46.00%) Apache Flume
2 21 (42.00%) Apache ZooKeeper
3 6 (12.00%) Oracle RAC
Systems Management
1 29 (58.00%) Oozie
2 18 (36.00%) Ambari
3 2 (4.00%) Puppet
3 2 (4.00%) Opscode Chef
3 2 (4.00%) Chukwa
Vendors
1 20 (40.00%) Netezza
2 18 (36.00%) Hortonworks
2 18 (36.00%) Teradata
3 17 (34.00%) MapR
4 11 (22.00%) Oracle
5 7 (14.00%) Google
6 6 (12.00%) Cloudera
7 4 (8.00%) Sybase
7 4 (8.00%) Cisco
7 4 (8.00%) Microsoft
7 4 (8.00%) Intel
8 3 (6.00%) DoubleClick
8 3 (6.00%) Greenplum
9 2 (4.00%) Vertica
9 2 (4.00%) Rackspace
9 2 (4.00%) Talend
9 2 (4.00%) Business Objects
10 1 (2.00%) IBM
10 1 (2.00%) Informatica