The table below looks at the statistics for HDFS skills in IT contracts advertised across the UK. Included is a guide to the average contractor rates offered in IT contracts that have cited HDFS over the 3 months to 17 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
17 Sep 2014
Same period 2013 Same period 2012
Hadoop Distributed File System (HDFS)
Rank 561 563 594
Rank change year-on-year
+2 +31
Contract jobs citing HDFS 35 19 2
As % of all contract IT jobs located in the UK 0.062% 0.036% 0.003%
As % of the System Software category 0.65% 0.38% 0.041%
Number of daily rates quoted 27 19 2
Average daily rate
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£775 £390 £513
Average daily rate % change year-on-year
+98.71% -23.90%
UK excluding London average daily rate - - -
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate - - -

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

System Software Category
UK
Contract IT job ads with a match in the
System Software category
5399 5049 4846
As % of all contract IT jobs located in the UK 9.53% 9.57% 8.28%
Number of daily rates quoted 3016 2676 2344
Average daily rate £338 £338 £335
Average daily rate % change year-on-year
- +0.74%
90% offered a daily rate of more than £175 £180 £199
10% offered a daily rate of more than £500 £475 £450
UK excluding London average daily rate £318 £325 £325
% change year-on-year
-2.30% -
Number of hourly rates quoted 655 561 592
Average hourly rate £17.00 £17.00 £16.25
Average hourly rate % change year-on-year
- +4.61%
90% offered a hourly rate of more than £10.50 £11.00 £11.00
10% offered a hourly rate of more than £31.50 £32.50 £33.00
UK excluding London average hourly rate £17.00 £16.50 £15.50
% change year-on-year
+3.03% +6.45%

HDFS
Jobs Demand Trend

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

HDFS Jobs Demand Trend in the UK

HDFS
Daily Rate Trend

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

HDFS Daily Rate Trend in the UK

HDFS
Daily Rate Histogram

This chart provides a histogram of daily rates quoted in contract IT jobs citing HDFS within the UK over the 3 months to 17 September 2014.

HDFS Daily Rate Histogram in the UK

HDFS
Top 24 Contract Locations

The table below looks at the demand and provides a guide to the average contractor rates quoted in IT jobs citing HDFS within the UK over the 3 months to 17 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 +29 35 £775 +98.71% 1
England -3 35 £775 +98.71% 5
City of London +19 8 £650 +68.83%
East Midlands - - - -
South East - - - - 1
West Midlands - - - - 1
Scotland - - - -
Hackney - - - - 1
East of England - - - - 2
Milton Keynes - - - -
Northampton - - - -
Peterborough - - - - 1
Southampton - - - -
Staines - - - - 1
Buckinghamshire - - - -
Cambridgeshire - - - - 2
Hampshire - - - -
Hertfordshire - - - -
Northamptonshire - - - -
Oxfordshire - - - -
Surrey - - - - 1
Birmingham - - - -
Edinburgh - - - -
Hemel Hempstead - - - -

HDFS
Top 30 Related IT Skills

For the 6 months to 17 September 2014, IT contractor jobs within the UK 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 48 (92.31%) Hadoop
2 47 (90.38%) Big Data
3 44 (84.62%) Apache Hive
4 35 (67.31%) HBase
5 34 (65.38%) MapReduce
6 30 (57.69%) Oozie
7 28 (53.85%) NoSQL
8 27 (51.92%) Mahout
8 27 (51.92%) MongoDB
9 26 (50.00%) Apache Cassandra
9 26 (50.00%) Java
10 24 (46.15%) Apache Flume
11 23 (44.23%) Analytics
11 23 (44.23%) Sqoop
12 22 (42.31%) Apache Pig
12 22 (42.31%) Apache ZooKeeper
13 21 (40.38%) Couchbase
13 21 (40.38%) Data Warehouse
13 21 (40.38%) Netezza
14 20 (38.46%) Visualisation
14 20 (38.46%) Riak
15 19 (36.54%) Hortonworks
15 19 (36.54%) Oracle Exadata
15 19 (36.54%) Ambari
15 19 (36.54%) HCatalog
15 19 (36.54%) Teradata
16 18 (34.62%) Banking
16 18 (34.62%) MapR
16 18 (34.62%) MarkLogic
17 16 (30.77%) Business Intelligence

HDFS
Top Related IT Skills by Category

For the 6 months to 17 September 2014, IT contractor jobs within the UK 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 (42.31%) Apache Pig
2 7 (13.46%) Apache
3 4 (7.69%) Oracle Coherence
4 2 (3.85%) Elasticsearch
5 1 (1.92%) SAS
5 1 (1.92%) Confluence
Applications
1 1 (1.92%) MS Excel
Cloud Services
1 4 (7.69%) Amazon AWS
2 3 (5.77%) Cloud Computing
3 2 (3.85%) Amazon EMR
3 2 (3.85%) Microsoft Azure
Communications & Networking
1 4 (7.69%) LAN
1 4 (7.69%) WAN
2 2 (3.85%) AMQP
2 2 (3.85%) LDAP
Database & Business Intelligence
1 48 (92.31%) Hadoop
2 47 (90.38%) Big Data
3 44 (84.62%) Apache Hive
4 35 (67.31%) HBase
5 28 (53.85%) NoSQL
6 27 (51.92%) Mahout
6 27 (51.92%) MongoDB
7 26 (50.00%) Apache Cassandra
8 23 (44.23%) Sqoop
9 21 (40.38%) Couchbase
9 21 (40.38%) Data Warehouse
10 20 (38.46%) Riak
11 19 (36.54%) Oracle Exadata
11 19 (36.54%) HCatalog
12 18 (34.62%) MarkLogic
13 15 (28.85%) Impala
14 8 (15.38%) SQL Server
15 7 (13.46%) DB2
16 5 (9.62%) MySQL
17 4 (7.69%) Amazon DynamoDB
Development Applications
1 7 (13.46%) JUnit
2 5 (9.62%) Mockito
2 5 (9.62%) JIRA
3 3 (5.77%) TeamCity
3 3 (5.77%) Git (software)
3 3 (5.77%) Maven
3 3 (5.77%) Hudson
4 2 (3.85%) Jenkins
4 2 (3.85%) Talend Open Studio
4 2 (3.85%) Cucumber
General
1 18 (34.62%) Banking
2 8 (15.38%) Finance
3 5 (9.62%) Investment Banking
4 2 (3.85%) Marketing
4 2 (3.85%) Financial Institution
5 1 (1.92%) Front Office
5 1 (1.92%) Games
Job Titles
1 21 (40.38%) Architect
2 14 (26.92%) Developer
3 13 (25.00%) Enterprise Architect
4 6 (11.54%) Java Developer
5 5 (9.62%) Data Architect
5 5 (9.62%) Big Data Architect
5 5 (9.62%) Hadoop Developer
6 4 (7.69%) Big Data Developer
6 4 (7.69%) Big Data Consultant
6 4 (7.69%) Data Consultant
6 4 (7.69%) Consultant
6 4 (7.69%) Senior Developer
6 4 (7.69%) Trainer
7 3 (5.77%) Lead Architect
8 2 (3.85%) Senior Java Developer
8 2 (3.85%) Technical Architect
9 1 (1.92%) Lead Developer
9 1 (1.92%) Data Scientist
9 1 (1.92%) Cloud Developer
9 1 (1.92%) Senior Big Data Developer
Libraries, Frameworks & Software Standards
1 14 (26.92%) Kafka
2 13 (25.00%) Cascading
3 6 (11.54%) Spring
4 5 (9.62%) JDBC
4 5 (9.62%) XML
4 5 (9.62%) ActiveMQ
5 4 (7.69%) JSON
5 4 (7.69%) HTML
5 4 (7.69%) SOAP
5 4 (7.69%) Web Services
5 4 (7.69%) Hibernate
6 3 (5.77%) J2SE
7 2 (3.85%) Apache Camel
7 2 (3.85%) RHadoop
7 2 (3.85%) Cascalog
7 2 (3.85%) HTML5
7 2 (3.85%) REST
7 2 (3.85%) Apache Avro
7 2 (3.85%) Spring MVC
7 2 (3.85%) RESTful
Miscellaneous
1 20 (38.46%) Visualisation
2 4 (7.69%) Analytical Skills
3 2 (3.85%) Computer Science
3 2 (3.85%) Social Network
3 2 (3.85%) Market Risk
3 2 (3.85%) Derivative
3 2 (3.85%) Data Integration
3 2 (3.85%) Open Source
4 1 (1.92%) Management Information System
4 1 (1.92%) Informatics
4 1 (1.92%) Mathematics
4 1 (1.92%) Statistics
Operating Systems
1 13 (25.00%) Linux
2 8 (15.38%) UNIX
3 3 (5.77%) Windows
4 2 (3.85%) Windows Server 2003
Processes & Methodologies
1 34 (65.38%) MapReduce
2 23 (44.23%) Analytics
3 16 (30.77%) Business Intelligence
4 7 (13.46%) Performance Tuning
5 6 (11.54%) Agile Software Development
5 6 (11.54%) Unit Testing
6 5 (9.62%) ETL
6 5 (9.62%) Benchmarking
6 5 (9.62%) TDD
6 5 (9.62%) Big Data Analytics
7 4 (7.69%) Machine Learning
7 4 (7.69%) BDD
7 4 (7.69%) RAD
7 4 (7.69%) Scrum
8 3 (5.77%) Continuous Integration
9 2 (3.85%) Low Latency
9 2 (3.85%) Mentoring
9 2 (3.85%) CQRS
9 2 (3.85%) Risk Analysis
9 2 (3.85%) Network Design
Programming Languages
1 26 (50.00%) Java
2 14 (26.92%) SQL
3 10 (19.23%) C#
4 7 (13.46%) Python
5 6 (11.54%) Scala
6 5 (9.62%) Bash Shell
7 3 (5.77%) Shell Script
7 3 (5.77%) C++
8 2 (3.85%) R
8 2 (3.85%) JavaScript
8 2 (3.85%) PL/SQL
9 1 (1.92%) C
9 1 (1.92%) Groovy
Qualifications
1 4 (7.69%) MCT
1 4 (7.69%) Microsoft Certification
2 3 (5.77%) Degree
System Software
1 24 (46.15%) Apache Flume
2 22 (42.31%) Apache ZooKeeper
3 6 (11.54%) Oracle RAC
Systems Management
1 30 (57.69%) Oozie
2 19 (36.54%) Ambari
3 2 (3.85%) Opscode Chef
3 2 (3.85%) Chukwa
3 2 (3.85%) Puppet
Vendors
1 21 (40.38%) Netezza
2 19 (36.54%) Hortonworks
2 19 (36.54%) Teradata
3 18 (34.62%) MapR
4 11 (21.15%) Oracle
5 7 (13.46%) Google
6 6 (11.54%) Cloudera
7 4 (7.69%) Sybase
7 4 (7.69%) Microsoft
7 4 (7.69%) Intel
7 4 (7.69%) Cisco
8 3 (5.77%) Greenplum
8 3 (5.77%) DoubleClick
9 2 (3.85%) Vertica
9 2 (3.85%) Rackspace
9 2 (3.85%) Talend
9 2 (3.85%) Business Objects
10 1 (1.92%) Informatica
10 1 (1.92%) IBM
Telford, Shropshire
Bentley Whitaker
Rate: From £350 to £500 per day
Posted: Yesterday