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 7 July 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
7 Jul 2015
Same period 2014 Same period 2013
Hadoop Distributed File System (HDFS)
Rank 568 575 574
Rank change year-on-year
+7 -1
Contract jobs citing HDFS 45 21 5
As % of all contract IT jobs located in the UK 0.082% 0.040% 0.010%
As % of the System Software category 0.83% 0.40% 0.10%
Number of daily rates quoted 25 10 5
Average daily rate
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£455 £525 £575
Average daily rate % change year-on-year
-13.33% -8.69%
UK excluding London average daily rate £450 - -
Number of hourly rates quoted 4 0 0
Average hourly rate £26.00 - -
UK excluding London average hourly rate £26.00 - -

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
5414 5202 4914
As % of all contract IT jobs located in the UK 9.87% 9.83% 9.82%
Number of daily rates quoted 3078 2831 2411
Average daily rate £350 £325 £350
Average daily rate % change year-on-year
+7.69% -7.14%
90% offered a daily rate of more than £190 £165 £200
10% offered a daily rate of more than £500 £475 £475
UK excluding London average daily rate £325 £313 £325
% change year-on-year
+4.00% -3.84%
Number of hourly rates quoted 553 619 632
Average hourly rate £17.50 £15.50 £18.00
Average hourly rate % change year-on-year
+12.90% -13.88%
90% offered a hourly rate of more than £11.00 £10.00 £11.00
10% offered a hourly rate of more than £39.78 £28.63 £32.50
UK excluding London average hourly rate £17.50 £15.50 £17.50
% change year-on-year
+12.90% -11.42%

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 7 July 2015.

HDFS Daily Rate Histogram in the UK

HDFS
Top 17 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 7 July 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
England +4 45 £455 -13.33% 13
London +4 29 £575 +9.52% 7
City of London 0 7 £450 +2.85% 4
East of England - 5 £450 -
South East - 5 £200 - 2
Aylesbury - 5 £200 -
Buckinghamshire - 5 £200 -
Cambridgeshire - 5 £450 -
Gloucestershire - 4 £425 - 2
South West - 4 £425 - 2
Peterborough - 3 £450 -
Cheltenham - 2 £425 -
Northampton - 1 £450 -
Northamptonshire - 1 £450 -
Docklands, London - 1 - -
East Midlands - 1 £450 -
North West - 1 - - 1

HDFS
Top 30 Related IT Skills

For the 6 months to 7 July 2015, 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.

1 120 (97.56%) Hadoop
2 88 (71.54%) Big Data
3 87 (70.73%) Apache Hive
4 64 (52.03%) Apache Spark
5 63 (51.22%) Impala
6 61 (49.59%) Java
7 59 (47.97%) Apache Pig
8 52 (42.28%) HBase
9 45 (36.59%) MapReduce
10 40 (32.52%) Scala
11 39 (31.71%) Agile Software Development
11 39 (31.71%) SQL
12 35 (28.46%) Cloudera
13 31 (25.20%) Sqoop
14 29 (23.58%) Kafka
15 28 (22.76%) Apache Flume
15 28 (22.76%) Python
16 27 (21.95%) Oozie
17 26 (21.14%) Data Modelling
17 26 (21.14%) Linux
17 26 (21.14%) Hadoop YARN
18 22 (17.89%) Oracle
19 20 (16.26%) Analytics
20 19 (15.45%) MongoDB
20 19 (15.45%) SQL Server
20 19 (15.45%) UNIX
20 19 (15.45%) OO
21 18 (14.63%) R
22 17 (13.82%) Relational Database
22 17 (13.82%) Finance

HDFS
Top Related IT Skills by Category

For the 6 months to 7 July 2015, 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 64 (52.03%) Apache Spark
2 59 (47.97%) Apache Pig
3 15 (12.20%) Apache
4 13 (10.57%) SAS
5 5 (4.07%) Tomcat
5 5 (4.07%) IIS
6 2 (1.63%) Apache Solr
7 1 (0.81%) Elasticsearch
7 1 (0.81%) Oracle Coherence
Applications
1 2 (1.63%) MS Visio
1 2 (1.63%) MS PowerPoint
2 1 (0.81%) Weka
Cloud Services
1 15 (12.20%) Amazon AWS
2 4 (3.25%) Microsoft Azure
3 1 (0.81%) Google Apps
Communications & Networking
1 7 (5.69%) LAN
1 7 (5.69%) WAN
1 7 (5.69%) DNS
2 5 (4.07%) SSL
2 5 (4.07%) SAN
2 5 (4.07%) Firewall
2 5 (4.07%) Wireshark
2 5 (4.07%) SMTP
2 5 (4.07%) DHCP
2 5 (4.07%) VPN
2 5 (4.07%) NetScaler
3 4 (3.25%) Kerberos
4 3 (2.44%) Network Security
Database & Business Intelligence
1 120 (97.56%) Hadoop
2 88 (71.54%) Big Data
3 87 (70.73%) Apache Hive
4 63 (51.22%) Impala
5 52 (42.28%) HBase
6 31 (25.20%) Sqoop
7 19 (15.45%) MongoDB
7 19 (15.45%) SQL Server
8 17 (13.82%) Relational Database
9 16 (13.01%) Data Warehouse
10 15 (12.20%) RDBMS
11 13 (10.57%) NoSQL
12 8 (6.50%) Apache Cassandra
13 7 (5.69%) MySQL
13 7 (5.69%) Data Mining
13 7 (5.69%) Mahout
14 5 (4.07%) SQL Server 2012
14 5 (4.07%) DB2
15 4 (3.25%) OLAP
15 4 (3.25%) Microsoft Analysis Services
Development Applications
1 2 (1.63%) Visual Studio
1 2 (1.63%) Subversion
1 2 (1.63%) TeamCity
1 2 (1.63%) Git (software)
1 2 (1.63%) SpecFlow
1 2 (1.63%) SQL Server Management Studio (SSMS)
1 2 (1.63%) SonarQube
2 1 (0.81%) PyUnit
2 1 (0.81%) Cucumber
General
1 17 (13.82%) Finance
2 15 (12.20%) Banking
3 7 (5.69%) Investment Banking
4 3 (2.44%) Retail
5 1 (0.81%) Legal
5 1 (0.81%) Games
5 1 (0.81%) Pharmaceutical
5 1 (0.81%) Front Office
Job Titles
1 61 (49.59%) Developer
2 55 (44.72%) Hadoop Developer
3 20 (16.26%) Architect
4 15 (12.20%) Administrator
5 10 (8.13%) Data Architect
6 9 (7.32%) Big Data Developer
7 7 (5.69%) Big Data Architect
7 7 (5.69%) Data Administrator
7 7 (5.69%) Lead Developer
8 6 (4.88%) Hadoop Administrator
9 5 (4.07%) Data Scientist
9 5 (4.07%) Linux Administrator
9 5 (4.07%) Programmer
10 4 (3.25%) Senior Developer
11 3 (2.44%) Java Developer
11 3 (2.44%) Analyst
11 3 (2.44%) Technical Analyst
12 2 (1.63%) SQL Developer
12 2 (1.63%) Consultant
12 2 (1.63%) Systems Administrator
Libraries, Frameworks & Software Standards
1 29 (23.58%) Kafka
2 15 (12.20%) Cascading
3 7 (5.69%) Apache Avro
4 6 (4.88%) XML
5 5 (4.07%) Web Services
6 4 (3.25%) JSON
6 4 (3.25%) HTML
6 4 (3.25%) REST
6 4 (3.25%) GraphX
7 3 (2.44%) XSD
7 3 (2.44%) RESTful
7 3 (2.44%) Java EE
8 2 (1.63%) HTML5
8 2 (1.63%) Hibernate
8 2 (1.63%) ActiveMQ
8 2 (1.63%) Spring
8 2 (1.63%) J2EE
8 2 (1.63%) Spring XD
8 2 (1.63%) Akka
9 1 (0.81%) OpenNLP
Miscellaneous
1 12 (9.76%) Analytical Skills
2 7 (5.69%) Replication
3 5 (4.07%) Mathematics
3 5 (4.07%) Physics
4 4 (3.25%) Credit Risk
4 4 (3.25%) Market Risk
4 4 (3.25%) Data Integration
4 4 (3.25%) Visualisation
5 3 (2.44%) Clustering
5 3 (2.44%) Equities
5 3 (2.44%) Statistics
5 3 (2.44%) Algorithms
6 2 (1.63%) Foreign Exchange (FX)
6 2 (1.63%) Credit Derivative
6 2 (1.63%) Neural Network
6 2 (1.63%) Derivative
6 2 (1.63%) Computer Science
7 1 (0.81%) Data Structures
7 1 (0.81%) Management Information System
7 1 (0.81%) Informatics
Operating Systems
1 26 (21.14%) Linux
2 19 (15.45%) UNIX
3 9 (7.32%) Windows
4 4 (3.25%) Red Hat Enterprise Linux
5 2 (1.63%) CentOS
Processes & Methodologies
1 45 (36.59%) MapReduce
2 39 (31.71%) Agile Software Development
3 26 (21.14%) Data Modelling
4 20 (16.26%) Analytics
5 19 (15.45%) OO
6 15 (12.20%) Scrum
7 14 (11.38%) BDD
7 14 (11.38%) TDD
8 12 (9.76%) ETL
8 12 (9.76%) Business Intelligence
8 12 (9.76%) E-Commerce
9 10 (8.13%) Open Source
10 9 (7.32%) SDLC
11 7 (5.69%) Data Architecture
12 6 (4.88%) Stakeholder Management
12 6 (4.88%) Mentoring
12 6 (4.88%) Machine Learning
13 5 (4.07%) Performance Tuning
13 5 (4.07%) Network Monitoring
13 5 (4.07%) Capacity Management
Programming Languages
1 61 (49.59%) Java
2 40 (32.52%) Scala
3 39 (31.71%) SQL
4 28 (22.76%) Python
5 18 (14.63%) R
6 14 (11.38%) C#
7 12 (9.76%) Shell Script
7 12 (9.76%) Bash Shell
8 7 (5.69%) T-SQL
8 7 (5.69%) Perl
9 5 (4.07%) PL/SQL
9 5 (4.07%) C
9 5 (4.07%) PowerShell
10 3 (2.44%) MATLAB
10 3 (2.44%) C++
11 2 (1.63%) JavaScript
12 1 (0.81%) Ruby
12 1 (0.81%) Spark SQL
Qualifications
1 5 (4.07%) PhD
1 5 (4.07%) Security Cleared
2 4 (3.25%) Degree
3 3 (2.44%) DV Cleared
4 2 (1.63%) MCT
5 1 (0.81%) SC Cleared
Quality Assurance & Compliance
1 2 (1.63%) Basel III
1 2 (1.63%) Dodd-Frank
2 1 (0.81%) Data Quality
System Software
1 28 (22.76%) Apache Flume
2 13 (10.57%) Apache ZooKeeper
3 9 (7.32%) Active Directory
4 5 (4.07%) VMware Infrastructure
4 5 (4.07%) XenApp
4 5 (4.07%) XenDesktop
5 2 (1.63%) Oracle RAC
Systems Management
1 27 (21.95%) Oozie
2 26 (21.14%) Hadoop YARN
3 13 (10.57%) Nagios
4 5 (4.07%) Zenoss
4 5 (4.07%) Puppet
4 5 (4.07%) Ambari
5 4 (3.25%) Opscode Chef
5 4 (3.25%) Graphite
6 3 (2.44%) Salt
7 2 (1.63%) SCOrch
7 2 (1.63%) ZABBIX
7 2 (1.63%) OpenView
7 2 (1.63%) Munin
8 1 (0.81%) Cacti
Vendors
1 35 (28.46%) Cloudera
2 22 (17.89%) Oracle
3 6 (4.88%) Teradata
3 6 (4.88%) Splunk
4 5 (4.07%) Vertica
4 5 (4.07%) Hortonworks
4 5 (4.07%) Citrix
4 5 (4.07%) VMware
4 5 (4.07%) AppSense
5 4 (3.25%) SaltStack
6 3 (2.44%) Tableau
6 3 (2.44%) Cisco
7 2 (1.63%) IBM
7 2 (1.63%) HP
7 2 (1.63%) Sybase
7 2 (1.63%) Business Objects
7 2 (1.63%) Cognos
7 2 (1.63%) Perforce
7 2 (1.63%) Informatica
7 2 (1.63%) Red Hat
London
TEKsystems
Rate: £600 - £700 per day + Market rate
Posted: 6 hours ago
City, London
Arrows Group
Rate: £0.00 per annum
Posted: 4 days ago
City of London
Churchill Frank
Rate: £300 - £500 per day
Posted: 11 days ago