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 1 April 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
1 Apr 2015
Same period 2014 Same period 2013
Hadoop Distributed File System (HDFS)
Rank 511 561 502
Rank change year-on-year
+50 -59
Contract jobs citing HDFS 72 14 14
As % of all contract IT jobs located in England 0.14% 0.028% 0.033%
As % of the System Software category 1.46% 0.31% 0.34%
Number of daily rates quoted 56 11 10
Average daily rate
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of your Daily Rate
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£550 £425 £463
Average daily rate % change year-on-year
+29.41% -8.10%
90% offered a daily rate of more than £436 £375 £450
10% offered a daily rate of more than £725 £465 £583
UK excluding London average daily rate £513 - -
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
4925 4565 4088
As % of all contract IT jobs located in England 9.75% 9.26% 9.53%
Number of daily rates quoted 2733 2326 1994
Average daily rate £375 £350 £338
Average daily rate % change year-on-year
+7.14% +3.70%
90% offered a daily rate of more than £185 £170 £190
10% offered a daily rate of more than £510 £475 £475
UK excluding London average daily rate £350 £315 £313
% change year-on-year
+11.11% +0.80%
Number of hourly rates quoted 598 547 633
Average hourly rate £16.00 £16.50 £17.50
Average hourly rate % change year-on-year
-3.03% -5.71%
90% offered a hourly rate of more than £10.93 £11.00 £10.58
10% offered a hourly rate of more than £30.43 £35.00 £33.50
UK excluding London average hourly rate £15.25 £16.00 £15.75
% change year-on-year
-4.68% +1.58%

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 1 April 2015.

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 1 April 2015. 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 +50 56 £588 +38.23% 11
East of England - 7 £525 -
East Midlands - 4 £500 -
North West - 3 - -
South East - - - - 2
South West - - - -
West Midlands - - - -
Yorkshire - - - -
HDFS
UK

HDFS
Top 30 Related IT Skills in England

For the 6 months to 1 April 2015, 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.

1 116 (97.48%) Hadoop
2 94 (78.99%) Apache Hive
2 94 (78.99%) Big Data
3 74 (62.18%) Java
4 61 (51.26%) HBase
5 55 (46.22%) Apache Pig
5 55 (46.22%) Apache Spark
6 54 (45.38%) MapReduce
7 48 (40.34%) Impala
8 45 (37.82%) SQL
8 45 (37.82%) Agile Software Development
9 38 (31.93%) Apache Flume
10 36 (30.25%) Scala
10 36 (30.25%) Hadoop YARN
11 35 (29.41%) Python
12 34 (28.57%) Sqoop
12 34 (28.57%) Kafka
13 30 (25.21%) Oozie
14 28 (23.53%) MongoDB
15 26 (21.85%) NoSQL
15 26 (21.85%) UNIX
16 25 (21.01%) Linux
16 25 (21.01%) Banking
17 24 (20.17%) Data Modelling
18 23 (19.33%) OO
18 23 (19.33%) Data Warehouse
18 23 (19.33%) Oracle
19 22 (18.49%) Cloudera
20 21 (17.65%) Relational Database
20 21 (17.65%) Cascading

HDFS
Top Related IT Skills in England by Category

For the 6 months to 1 April 2015, 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 55 (46.22%) Apache Pig
1 55 (46.22%) Apache Spark
2 20 (16.81%) SAS
3 9 (7.56%) Apache
4 3 (2.52%) Apache Solr
5 2 (1.68%) Oracle Coherence
6 1 (0.84%) Elasticsearch
Applications
1 1 (0.84%) Weka
Business Applications
1 2 (1.68%) SAP Oil and Gas
Cloud Services
1 3 (2.52%) Microsoft Azure
1 3 (2.52%) Amazon AWS
2 1 (0.84%) Google Cloud Platform
2 1 (0.84%) Amazon EMR
2 1 (0.84%) GitHub
Communications & Networking
1 4 (3.36%) Kerberos
2 3 (2.52%) LAN
2 3 (2.52%) WAN
2 3 (2.52%) Network Security
3 2 (1.68%) DNS
4 1 (0.84%) RTP
Database & Business Intelligence
1 116 (97.48%) Hadoop
2 94 (78.99%) Apache Hive
2 94 (78.99%) Big Data
3 61 (51.26%) HBase
4 48 (40.34%) Impala
5 34 (28.57%) Sqoop
6 28 (23.53%) MongoDB
7 26 (21.85%) NoSQL
8 23 (19.33%) Data Warehouse
9 21 (17.65%) Relational Database
10 20 (16.81%) Apache Cassandra
11 19 (15.97%) RDBMS
12 11 (9.24%) OrientDB
13 10 (8.40%) SQL Server
14 9 (7.56%) Mahout
15 6 (5.04%) MySQL
15 6 (5.04%) DB2
15 6 (5.04%) Data Mining
16 5 (4.20%) Star Schema
16 5 (4.20%) PostgreSQL
Development Applications
1 4 (3.36%) PyUnit
2 1 (0.84%) Maven
2 1 (0.84%) Git (software)
2 1 (0.84%) Cucumber
General
1 25 (21.01%) Banking
2 15 (12.61%) Finance
3 6 (5.04%) Investment Banking
4 5 (4.20%) Retail
5 4 (3.36%) Marketing
6 2 (1.68%) Electronics
6 2 (1.68%) Telecoms
6 2 (1.68%) Manufacturing
7 1 (0.84%) Pharmaceutical
7 1 (0.84%) Legal
7 1 (0.84%) Front Office
Job Titles
1 65 (54.62%) Developer
2 55 (46.22%) Hadoop Developer
3 22 (18.49%) Architect
4 18 (15.13%) Big Data Developer
5 12 (10.08%) Administrator
6 11 (9.24%) Data Architect
7 10 (8.40%) Programmer
8 8 (6.72%) Hadoop Administrator
8 8 (6.72%) Big Data Architect
8 8 (6.72%) Lead Developer
9 5 (4.20%) Senior Developer
10 4 (3.36%) Data Modeller
11 3 (2.52%) Data Administrator
11 3 (2.52%) Consultant
11 3 (2.52%) Data Scientist
12 2 (1.68%) Big Data Consultant
12 2 (1.68%) Systems Administrator
12 2 (1.68%) Senior Manager
12 2 (1.68%) Java Developer
12 2 (1.68%) Delivery Manager
Libraries, Frameworks & Software Standards
1 34 (28.57%) Kafka
2 21 (17.65%) Cascading
3 12 (10.08%) Akka
4 8 (6.72%) Apache Avro
5 6 (5.04%) XML
6 4 (3.36%) JSON
6 4 (3.36%) J2EE
6 4 (3.36%) JDBC
7 3 (2.52%) XSD
7 3 (2.52%) RESTful
8 2 (1.68%) REST
8 2 (1.68%) Java EE
8 2 (1.68%) HTML
9 1 (0.84%) DOM
9 1 (0.84%) XSLT
9 1 (0.84%) CSS
9 1 (0.84%) SAX
9 1 (0.84%) Spring
9 1 (0.84%) Hibernate
9 1 (0.84%) Lucene
Miscellaneous
1 16 (13.45%) Open Source
2 8 (6.72%) Visualisation
3 7 (5.88%) Market Risk
3 7 (5.88%) Replication
3 7 (5.88%) Analytical Skills
4 4 (3.36%) Credit Risk
4 4 (3.36%) Data Extraction
5 3 (2.52%) Mathematics
5 3 (2.52%) Physics
5 3 (2.52%) Clustering
6 2 (1.68%) Data Integration
6 2 (1.68%) Machine to Machine
6 2 (1.68%) Equities
6 2 (1.68%) DTV
7 1 (0.84%) Foreign Exchange (FX)
7 1 (0.84%) Informatics
7 1 (0.84%) Derivative
7 1 (0.84%) Credit Derivative
7 1 (0.84%) Data Structures
7 1 (0.84%) Algorithms
Operating Systems
1 26 (21.85%) UNIX
2 25 (21.01%) Linux
3 4 (3.36%) Red Hat Enterprise Linux
3 4 (3.36%) Windows
4 2 (1.68%) CentOS
5 1 (0.84%) Ubuntu
Processes & Methodologies
1 54 (45.38%) MapReduce
2 45 (37.82%) Agile Software Development
3 24 (20.17%) Data Modelling
4 23 (19.33%) OO
5 19 (15.97%) Analytics
6 16 (13.45%) Mentoring
6 16 (13.45%) ETL
6 16 (13.45%) Business Intelligence
7 11 (9.24%) BDD
8 8 (6.72%) TDD
8 8 (6.72%) OOP
9 7 (5.88%) E-Commerce
9 7 (5.88%) Scrum
9 7 (5.88%) Performance Tuning
10 6 (5.04%) Data Architecture
10 6 (5.04%) Logical Data Model
11 5 (4.20%) Data Management
11 5 (4.20%) Workflow
11 5 (4.20%) Coaching
11 5 (4.20%) Test Automation
Programming Languages
1 74 (62.18%) Java
2 45 (37.82%) SQL
3 36 (30.25%) Scala
4 35 (29.41%) Python
5 15 (12.61%) R
6 13 (10.92%) Shell Script
6 13 (10.92%) C#
7 10 (8.40%) PL/SQL
8 9 (7.56%) Perl
9 8 (6.72%) Bash Shell
10 3 (2.52%) T-SQL
11 2 (1.68%) PHP
11 2 (1.68%) JavaScript
12 1 (0.84%) MATLAB
12 1 (0.84%) Ruby
12 1 (0.84%) Pig Latin
Qualifications
1 3 (2.52%) PhD
2 2 (1.68%) MCT
3 1 (0.84%) Microsoft Certification
3 1 (0.84%) Degree
Quality Assurance & Compliance
1 2 (1.68%) Basel III
1 2 (1.68%) Dodd-Frank
2 1 (0.84%) Data Quality
System Software
1 38 (31.93%) Apache Flume
2 13 (10.92%) Apache ZooKeeper
3 4 (3.36%) Active Directory
4 3 (2.52%) Oracle RAC
Systems Management
1 36 (30.25%) Hadoop YARN
2 30 (25.21%) Oozie
3 8 (6.72%) Nagios
4 7 (5.88%) Ambari
5 4 (3.36%) Puppet
5 4 (3.36%) Graphite
6 3 (2.52%) Salt
6 3 (2.52%) Opscode Chef
7 2 (1.68%) Munin
7 2 (1.68%) ZABBIX
7 2 (1.68%) SCOrch
7 2 (1.68%) OpenView
8 1 (0.84%) Cacti
Vendors
1 23 (19.33%) Oracle
2 22 (18.49%) Cloudera
3 9 (7.56%) Teradata
4 7 (5.88%) Hortonworks
5 6 (5.04%) Tableau
5 6 (5.04%) MapR
5 6 (5.04%) Informatica
6 5 (4.20%) Vertica
7 4 (3.36%) SaltStack
7 4 (3.36%) Cisco
8 3 (2.52%) Sybase
9 2 (1.68%) Splunk
9 2 (1.68%) Netezza
9 2 (1.68%) Intel
9 2 (1.68%) Red Hat
9 2 (1.68%) SAP
10 1 (0.84%) Business Objects
10 1 (0.84%) HP
10 1 (0.84%) IBM
10 1 (0.84%) Microsoft
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