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 24 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
24 Apr 2015
Same period 2014 Same period 2013
Hadoop Distributed File System (HDFS)
Rank 526 587 547
Rank change year-on-year
+61 -40
Contract jobs citing HDFS 68 13 12
As % of all contract IT jobs located in the UK 0.12% 0.024% 0.025%
As % of the System Software category 1.27% 0.25% 0.27%
Number of daily rates quoted 48 10 10
Average daily rate
Keep up to 90%
of your Daily Rate
Get a Free Illustration
£575 £425 £463
Average daily rate % change year-on-year
+35.29% -8.10%
90% offered a daily rate of more than £440 £375 £450
10% offered a daily rate of more than £725 £473 £575
UK excluding London average daily rate £513 - -
Number of hourly rates quoted 3 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
5359 5226 4517
As % of all contract IT jobs located in the UK 9.62% 9.46% 9.31%
Number of daily rates quoted 2979 2681 2160
Average daily rate £355 £350 £350
Average daily rate % change year-on-year
+1.42% -
90% offered a daily rate of more than £187 £165 £190
10% offered a daily rate of more than £500 £475 £475
UK excluding London average daily rate £340 £315 £325
% change year-on-year
+7.93% -3.07%
Number of hourly rates quoted 627 598 639
Average hourly rate £16.50 £17.00 £16.69
Average hourly rate % change year-on-year
-2.94% +1.85%
90% offered a hourly rate of more than £11.00 £11.00 £11.00
10% offered a hourly rate of more than £33.00 £35.00 £32.50
UK excluding London average hourly rate £16.00 £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 24 April 2015.

HDFS Daily Rate Histogram in the UK

HDFS
Top 20 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 24 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
England +54 67 £575 +35.29% 14
London +39 46 £588 +38.23% 14
City of London +23 11 £600 +41.17% 2
East of England - 7 £525 -
North West - 4 - -
South East - 4 - -
East Midlands - 4 £500 -
Buckinghamshire - 4 - -
Cambridgeshire - 4 £525 -
Northamptonshire - 4 £500 -
Merseyside - 3 - -
Aylesbury - 3 - -
Northampton - 3 £475 -
Peterborough - 3 £525 -
Wirral - 3 - -
Bedfordshire - 2 - -
Bedford - 2 - -
Milton Keynes - 1 - -
Norwich - 1 - -
Norfolk - 1 - -

HDFS
Top 30 Related IT Skills

For the 6 months to 24 April 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.

1 127 (97.69%) Hadoop
2 102 (78.46%) Apache Hive
3 100 (76.92%) Big Data
4 76 (58.46%) Java
5 66 (50.77%) HBase
6 62 (47.69%) MapReduce
7 61 (46.92%) Apache Pig
8 59 (45.38%) Apache Spark
9 54 (41.54%) Impala
10 45 (34.62%) Agile Software Development
10 45 (34.62%) SQL
11 39 (30.00%) Python
11 39 (30.00%) Kafka
11 39 (30.00%) Apache Flume
11 39 (30.00%) Scala
12 38 (29.23%) Hadoop YARN
13 34 (26.15%) Sqoop
14 31 (23.85%) Oozie
15 29 (22.31%) MongoDB
16 28 (21.54%) Oracle
17 27 (20.77%) UNIX
17 27 (20.77%) Banking
17 27 (20.77%) NoSQL
18 25 (19.23%) Data Modelling
19 24 (18.46%) Linux
20 23 (17.69%) OO
20 23 (17.69%) Cloudera
20 23 (17.69%) Cascading
21 21 (16.15%) Relational Database
21 21 (16.15%) Apache Cassandra

HDFS
Top Related IT Skills by Category

For the 6 months to 24 April 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 61 (46.92%) Apache Pig
2 59 (45.38%) Apache Spark
3 20 (15.38%) SAS
4 13 (10.00%) Apache
5 3 (2.31%) IIS
5 3 (2.31%) Tomcat
5 3 (2.31%) Apache Solr
6 2 (1.54%) Oracle Coherence
7 1 (0.77%) Elasticsearch
Applications
1 1 (0.77%) MS Visio
1 1 (0.77%) MS PowerPoint
1 1 (0.77%) Weka
Business Applications
1 2 (1.54%) SAP Oil and Gas
Cloud Services
1 12 (9.23%) Amazon AWS
2 3 (2.31%) Microsoft Azure
3 1 (0.77%) Google Cloud Platform
3 1 (0.77%) Amazon EMR
3 1 (0.77%) GitHub
Communications & Networking
1 6 (4.62%) LAN
1 6 (4.62%) WAN
2 5 (3.85%) DNS
3 4 (3.08%) Kerberos
4 3 (2.31%) SMTP
4 3 (2.31%) DHCP
4 3 (2.31%) VPN
4 3 (2.31%) SSL
4 3 (2.31%) Firewall
4 3 (2.31%) SAN
4 3 (2.31%) Wireshark
4 3 (2.31%) Network Security
4 3 (2.31%) NetScaler
5 1 (0.77%) RTP
Database & Business Intelligence
1 127 (97.69%) Hadoop
2 102 (78.46%) Apache Hive
3 100 (76.92%) Big Data
4 66 (50.77%) HBase
5 54 (41.54%) Impala
6 34 (26.15%) Sqoop
7 29 (22.31%) MongoDB
8 27 (20.77%) NoSQL
9 21 (16.15%) Relational Database
9 21 (16.15%) Apache Cassandra
9 21 (16.15%) Data Warehouse
10 19 (14.62%) RDBMS
11 13 (10.00%) SQL Server
12 11 (8.46%) OrientDB
13 9 (6.92%) Mahout
14 7 (5.38%) MySQL
15 6 (4.62%) Data Mining
15 6 (4.62%) DB2
16 5 (3.85%) HCatalog
17 4 (3.08%) Amazon DynamoDB
Development Applications
1 2 (1.54%) PyUnit
2 1 (0.77%) Maven
2 1 (0.77%) Git (software)
2 1 (0.77%) Cucumber
General
1 27 (20.77%) Banking
2 17 (13.08%) Finance
3 6 (4.62%) Investment Banking
4 5 (3.85%) Retail
5 3 (2.31%) Marketing
6 2 (1.54%) Manufacturing
6 2 (1.54%) Electronics
6 2 (1.54%) Telecoms
7 1 (0.77%) Legal
7 1 (0.77%) Front Office
7 1 (0.77%) Pharmaceutical
Job Titles
1 70 (53.85%) Developer
2 61 (46.92%) Hadoop Developer
3 23 (17.69%) Architect
4 19 (14.62%) Big Data Developer
5 13 (10.00%) Administrator
6 12 (9.23%) Data Architect
7 10 (7.69%) Programmer
8 9 (6.92%) Hadoop Administrator
8 9 (6.92%) Lead Developer
8 9 (6.92%) Big Data Architect
9 5 (3.85%) Senior Developer
10 4 (3.08%) Data Scientist
10 4 (3.08%) Data Modeller
10 4 (3.08%) Java Developer
11 3 (2.31%) Consultant
11 3 (2.31%) Data Administrator
12 2 (1.54%) Big Data Consultant
12 2 (1.54%) Data Consultant
12 2 (1.54%) Technical Analyst
12 2 (1.54%) Delivery Manager
Libraries, Frameworks & Software Standards
1 39 (30.00%) Kafka
2 23 (17.69%) Cascading
3 12 (9.23%) Akka
4 8 (6.15%) Apache Avro
5 7 (5.38%) XML
6 5 (3.85%) J2EE
7 4 (3.08%) Java EE
7 4 (3.08%) JSON
8 3 (2.31%) XSD
8 3 (2.31%) Web Services
8 3 (2.31%) RESTful
8 3 (2.31%) REST
9 2 (1.54%) Spring
9 2 (1.54%) Hibernate
9 2 (1.54%) JDBC
9 2 (1.54%) HTML
10 1 (0.77%) SAX
10 1 (0.77%) CSS
10 1 (0.77%) DOM
10 1 (0.77%) XSLT
Miscellaneous
1 17 (13.08%) Open Source
2 10 (7.69%) Analytical Skills
3 7 (5.38%) Replication
3 7 (5.38%) Market Risk
4 6 (4.62%) Visualisation
5 4 (3.08%) Credit Risk
5 4 (3.08%) Mathematics
5 4 (3.08%) Physics
6 3 (2.31%) Clustering
7 2 (1.54%) Statistics
7 2 (1.54%) Data Extraction
7 2 (1.54%) Data Integration
7 2 (1.54%) Equities
7 2 (1.54%) DTV
7 2 (1.54%) Machine to Machine
7 2 (1.54%) Algorithms
8 1 (0.77%) Data Structures
8 1 (0.77%) Foreign Exchange (FX)
8 1 (0.77%) Neural Network
8 1 (0.77%) Credit Derivative
Operating Systems
1 27 (20.77%) UNIX
2 24 (18.46%) Linux
3 7 (5.38%) Windows
4 4 (3.08%) Red Hat Enterprise Linux
5 2 (1.54%) CentOS
6 1 (0.77%) Ubuntu
Processes & Methodologies
1 62 (47.69%) MapReduce
2 45 (34.62%) Agile Software Development
3 25 (19.23%) Data Modelling
4 23 (17.69%) OO
5 20 (15.38%) Analytics
6 16 (12.31%) Mentoring
7 15 (11.54%) Business Intelligence
8 14 (10.77%) ETL
9 12 (9.23%) BDD
10 8 (6.15%) Scrum
10 8 (6.15%) OOP
11 7 (5.38%) E-Commerce
11 7 (5.38%) TDD
11 7 (5.38%) Performance Tuning
12 6 (4.62%) Data Architecture
12 6 (4.62%) Coaching
12 6 (4.62%) Logical Data Model
13 5 (3.85%) Workflow
13 5 (3.85%) Data Management
13 5 (3.85%) Test Automation
Programming Languages
1 76 (58.46%) Java
2 45 (34.62%) SQL
3 39 (30.00%) Python
3 39 (30.00%) Scala
4 18 (13.85%) R
5 16 (12.31%) Shell Script
6 13 (10.00%) C#
7 10 (7.69%) Perl
7 10 (7.69%) PL/SQL
8 8 (6.15%) Bash Shell
9 3 (2.31%) T-SQL
9 3 (2.31%) PowerShell
10 2 (1.54%) MATLAB
10 2 (1.54%) PHP
10 2 (1.54%) JavaScript
11 1 (0.77%) C++
11 1 (0.77%) Ruby
11 1 (0.77%) Pig Latin
Qualifications
1 4 (3.08%) PhD
2 2 (1.54%) MCT
3 1 (0.77%) Microsoft Certification
3 1 (0.77%) SC Cleared
3 1 (0.77%) Security Cleared
3 1 (0.77%) Degree
Quality Assurance & Compliance
1 2 (1.54%) Basel III
1 2 (1.54%) Dodd-Frank
2 1 (0.77%) Data Quality
System Software
1 39 (30.00%) Apache Flume
2 12 (9.23%) Apache ZooKeeper
3 7 (5.38%) Active Directory
4 3 (2.31%) XenApp
4 3 (2.31%) XenDesktop
4 3 (2.31%) VMware Infrastructure
4 3 (2.31%) Oracle RAC
Systems Management
1 38 (29.23%) Hadoop YARN
2 31 (23.85%) Oozie
3 11 (8.46%) Nagios
4 7 (5.38%) Ambari
5 4 (3.08%) Puppet
5 4 (3.08%) Graphite
6 3 (2.31%) Salt
6 3 (2.31%) Zenoss
6 3 (2.31%) Opscode Chef
7 2 (1.54%) Munin
7 2 (1.54%) ZABBIX
7 2 (1.54%) OpenView
7 2 (1.54%) SCOrch
8 1 (0.77%) Cacti
Vendors
1 28 (21.54%) Oracle
2 23 (17.69%) Cloudera
3 9 (6.92%) Teradata
4 8 (6.15%) Hortonworks
5 6 (4.62%) MapR
5 6 (4.62%) Informatica
6 5 (3.85%) Vertica
6 5 (3.85%) Splunk
7 4 (3.08%) Tableau
7 4 (3.08%) Cisco
7 4 (3.08%) SaltStack
8 3 (2.31%) Citrix
8 3 (2.31%) Sybase
8 3 (2.31%) VMware
8 3 (2.31%) AppSense
9 2 (1.54%) Netezza
9 2 (1.54%) Red Hat
9 2 (1.54%) SAP
9 2 (1.54%) HP
9 2 (1.54%) Intel
London
Experis Ltd
Rate: £650.00 - £800 per day
Posted: 4 days ago