The table below looks at the statistics for HDFS skills in IT contracts advertised for the England region. Included is a guide to the contractor rates offered in IT contracts that have cited HDFS over the 3 months to 16 January 2017 with a comparison to the same period over 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.

3 months to
16 Jan 2017
Same period 2016 Same period 2015
Hadoop Distributed File System (HDFS)
UK / England
Rank 436 510 545
Rank change year-on-year
+74 +35
Contract jobs citing HDFS 139 80 52
As % of all contract IT jobs located in England 0.34% 0.18% 0.11%
As % of the System Software category 2.77% 1.71% 1.08%
Number of daily rates quoted 81 47 35
Median daily rate £575 £600 £550
Median daily rate % change year-on-year
-4.16% +9.09%
90% offered a daily rate of more than £430 £450 £438
10% offered a daily rate of more than £675 £650 £700
UK excluding London median daily rate £463 £575 £525
% change year-on-year
-19.56% +9.52%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

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
5016 4683 4805
As % of all contract IT jobs located in England 12.10% 10.26% 10.37%
Number of daily rates quoted 3152 2833 2656
Median daily rate £400 £400 £365
Median daily rate % change year-on-year
- +9.58%
90% offered a daily rate of more than £200 £180 £188
10% offered a daily rate of more than £575 £550 £500
UK excluding London median daily rate £350 £350 £350
Number of hourly rates quoted 343 466 565
Median hourly rate £17.00 £16.50 £16.50
Median hourly rate % change year-on-year
+3.03% -
90% offered a hourly rate of more than £11.00 £10.50 £11.00
10% offered a hourly rate of more than £47.83 £43.00 £32.50
UK excluding London median hourly rate £16.13 £16.50 £16.50
% change year-on-year
-2.27% -

HDFS
Jobs Demand Trend in England

The demand trend of contract jobs across the England region citing HDFS as a proportion of all IT contracts with a match in 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 16 January 2017.

HDFS Daily Rate Histogram in England

HDFS
Hourly Rate Trend in England

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

HDFS Hourly Rate Trend in England

HDFS
Contract Job Locations in England

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing HDFS within the England region over the 3 months to 16 January 2017. 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 Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
London +35 103 £580 -3.33% 19
South East - 17 £700 - 2
Yorkshire +23 15 £450 -21.73%
South West +21 4 £440 -
East of England - 1 - -
HDFS
UK

HDFS
Top 30 Related IT Skills in England

For the 6 months to 16 January 2017, IT contractor jobs citing HDFS also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the England region with a requirement for HDFS.

1 290 (98.31%) Hadoop
2 257 (87.12%) Big Data
3 205 (69.49%) Apache Hive
4 193 (65.42%) Apache Spark
5 170 (57.63%) HBase
6 161 (54.58%) Java
7 138 (46.78%) Linux
8 112 (37.97%) Python
9 106 (35.93%) MapReduce
10 101 (34.24%) Scala
11 91 (30.85%) Apache Pig
12 90 (30.51%) DevOps
13 87 (29.49%) Kafka
14 85 (28.81%) Agile Software Development
15 82 (27.80%) SQL
15 82 (27.80%) Hortonworks
15 82 (27.80%) Hadoop YARN
16 78 (26.44%) Amazon AWS
17 74 (25.08%) Sqoop
18 73 (24.75%) Cloudera
19 72 (24.41%) Unix
20 71 (24.07%) Continuous Integration
21 70 (23.73%) NoSQL
22 62 (21.02%) Puppet
22 62 (21.02%) ETL
23 59 (20.00%) Scrum
24 58 (19.66%) Finance
24 58 (19.66%) Oozie
25 55 (18.64%) Banking
26 52 (17.63%) Apache Cassandra

HDFS
Top Related IT Skills in England by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 193 (65.42%) Apache Spark
2 91 (30.85%) Apache Pig
3 43 (14.58%) Apache
4 28 (9.49%) Elasticsearch
5 20 (6.78%) Apache Solr
6 7 (2.37%) Cloud Foundry
6 7 (2.37%) SAS
6 7 (2.37%) Tomcat
7 6 (2.03%) GemFire
7 6 (2.03%) Jupyter
7 6 (2.03%) Oracle Coherence
8 5 (1.69%) Confluence
8 5 (1.69%) OpenStack
Applications
1 2 (0.68%) MS Excel
2 1 (0.34%) Stata
Business Applications
1 2 (0.68%) SAP Oil and Gas
Cloud Services
1 78 (26.44%) Amazon AWS
2 16 (5.42%) Cloud Computing
2 16 (5.42%) Microsoft Azure
3 13 (4.41%) GitHub
4 10 (3.39%) Amazon EMR
4 10 (3.39%) Google Cloud Platform
5 8 (2.71%) IaaS
6 7 (2.37%) Amazon S3
7 6 (2.03%) Amazon EC2
7 6 (2.03%) Office 365
7 6 (2.03%) PaaS
8 5 (1.69%) Sumo Logic
9 2 (0.68%) IBM Cloud
10 1 (0.34%) CloudFront
10 1 (0.34%) Flurry Analytics
10 1 (0.34%) Google Analytics
Communications & Networking
1 36 (12.20%) Kerberos
2 9 (3.05%) LAN
2 9 (3.05%) WAN
3 7 (2.37%) FTP
3 7 (2.37%) Network Security
4 5 (1.69%) DNS
4 5 (1.69%) HTTP
4 5 (1.69%) Internet
5 3 (1.02%) LDAP
6 2 (0.68%) Firewall
Database & Business Intelligence
1 290 (98.31%) Hadoop
2 257 (87.12%) Big Data
3 205 (69.49%) Apache Hive
4 170 (57.63%) HBase
5 74 (25.08%) Sqoop
6 70 (23.73%) NoSQL
7 52 (17.63%) Apache Cassandra
8 34 (11.53%) MySQL
9 33 (11.19%) Data Warehouse
9 33 (11.19%) Impala
10 30 (10.17%) Relational Database
11 25 (8.47%) MongoDB
11 25 (8.47%) PostgreSQL
12 21 (7.12%) SQL Server
13 20 (6.78%) Data Lake
14 15 (5.08%) QlikView
15 14 (4.75%) RDBMS
16 11 (3.73%) Apache Zeppelin
16 11 (3.73%) Cloudera CDH
16 11 (3.73%) Neo4j
Development Applications
1 36 (12.20%) Jenkins
2 33 (11.19%) Git (software)
3 27 (9.15%) Maven
4 10 (3.39%) JUnit
5 9 (3.05%) JIRA
6 7 (2.37%) Eclipse
6 7 (2.37%) Selenium
6 7 (2.37%) Sonatype Nexus
7 6 (2.03%) Bundler
7 6 (2.03%) Gradle
7 6 (2.03%) Jasmine
7 6 (2.03%) Karma Test Runner
7 6 (2.03%) Protractor
7 6 (2.03%) TeamCity
7 6 (2.03%) Vagrant
7 6 (2.03%) WebDriver
8 5 (1.69%) Artifactory
8 5 (1.69%) FindBugs
8 5 (1.69%) Grunt
8 5 (1.69%) gulp
General
1 58 (19.66%) Finance
2 55 (18.64%) Banking
3 21 (7.12%) Front Office
4 15 (5.08%) Investment Banking
5 7 (2.37%) Retail
6 6 (2.03%) Financial Institution
7 5 (1.69%) Marketing
8 4 (1.36%) Legal
9 3 (1.02%) Telecoms
10 2 (0.68%) Electronics
10 2 (0.68%) Manufacturing
11 1 (0.34%) Advertising
11 1 (0.34%) Games
11 1 (0.34%) Law
Job Titles
1 88 (29.83%) Developer
2 71 (24.07%) Big Data Engineer
3 67 (22.71%) Data Engineer
4 55 (18.64%) Big Data Developer
5 44 (14.92%) Hadoop Developer
6 39 (13.22%) Administrator
6 39 (13.22%) Hadoop Engineer
7 35 (11.86%) DevOps Engineer
8 33 (11.19%) Consultant
9 31 (10.51%) Scala Developer
10 26 (8.81%) Hadoop Consultant
11 22 (7.46%) Hadoop Administrator
12 20 (6.78%) Data Administrator
12 20 (6.78%) Java Developer
13 19 (6.44%) Architect
14 17 (5.76%) Technical Leader
15 15 (5.08%) Apache Spark Developer
15 15 (5.08%) Big Data Consultant
15 15 (5.08%) Data Architect
15 15 (5.08%) Data Consultant
Libraries, Frameworks & Software Standards
1 87 (29.49%) Kafka
2 21 (7.12%) ELK Stack
3 17 (5.76%) Akka
4 16 (5.42%) REST
4 16 (5.42%) Spark Streaming
5 12 (4.07%) AngularJS
6 10 (3.39%) JSON
7 9 (3.05%) Apache Avro
7 9 (3.05%) Apache Tez
8 8 (2.71%) MLlib
8 8 (2.71%) Oracle GoldenGate
8 8 (2.71%) Play Framework
9 7 (2.37%) D3.js
9 7 (2.37%) spray
9 7 (2.37%) Web Services
10 6 (2.03%) Browserify
10 6 (2.03%) HTML
10 6 (2.03%) Spring
10 6 (2.03%) Spring Boot
10 6 (2.03%) Spring Integration
Miscellaneous
1 27 (9.15%) Computer Science
2 16 (5.42%) Grid Computing
3 13 (4.41%) Visualisation
4 11 (3.73%) Foreign Exchange (FX)
5 10 (3.39%) Algorithms
5 10 (3.39%) Analytical Skills
6 7 (2.37%) Management Information System
6 7 (2.37%) Mathematics
6 7 (2.37%) Replication
7 6 (2.03%) Data Centre
8 5 (1.69%) Interest Rate Derivative
9 4 (1.36%) Market Risk
9 4 (1.36%) Statistics
10 3 (1.02%) Clustering
10 3 (1.02%) Equities
10 3 (1.02%) Fixed Income
10 3 (1.02%) Virtual Team
11 1 (0.34%) Credit Risk
11 1 (0.34%) Data Structures
11 1 (0.34%) Public Cloud
Operating Systems
1 138 (46.78%) Linux
2 72 (24.41%) Unix
3 18 (6.10%) Red Hat Enterprise Linux
4 5 (1.69%) CoreOS
4 5 (1.69%) Windows
5 1 (0.34%) CentOS
5 1 (0.34%) Ubuntu
Processes & Methodologies
1 106 (35.93%) MapReduce
2 90 (30.51%) DevOps
3 85 (28.81%) Agile Software Development
4 71 (24.07%) Continuous Integration
5 62 (21.02%) ETL
6 59 (20.00%) Scrum
7 51 (17.29%) TDD
8 50 (16.95%) Continuous Delivery
9 40 (13.56%) Open Source
10 39 (13.22%) Analytics
11 38 (12.88%) User Stories
12 32 (10.85%) Business Intelligence
13 30 (10.17%) Build Automation
14 28 (9.49%) Software Engineering
15 23 (7.80%) BDD
16 21 (7.12%) Data Modelling
16 21 (7.12%) High Availability
17 19 (6.44%) Data Engineering
18 18 (6.10%) Performance Tuning
19 17 (5.76%) Microservices
Programming Languages
1 161 (54.58%) Java
2 112 (37.97%) Python
3 101 (34.24%) Scala
4 82 (27.80%) SQL
5 34 (11.53%) Shell Script
6 27 (9.15%) R
7 14 (4.75%) Bash Shell
7 14 (4.75%) Ruby
8 13 (4.41%) C
9 9 (3.05%) C++
9 9 (3.05%) Perl
10 6 (2.03%) PHP
11 5 (1.69%) JavaScript
12 4 (1.36%) MATLAB
12 4 (1.36%) PL/SQL
13 2 (0.68%) Go
14 1 (0.34%) ABAP
14 1 (0.34%) C#
Qualifications
1 36 (12.20%) Security Cleared
2 29 (9.83%) Degree
3 27 (9.15%) SC Cleared
4 18 (6.10%) BPSS Clearance
5 16 (5.42%) DV Cleared
6 4 (1.36%) PhD
Quality Assurance & Compliance
1 17 (5.76%) QA
2 7 (2.37%) SLA
3 5 (1.69%) Data Quality
4 2 (0.68%) Disclosure Scotland
System Software
1 45 (15.25%) Apache ZooKeeper
2 37 (12.54%) VMware Infrastructure
3 36 (12.20%) Apache Flume
4 32 (10.85%) vCloud
5 13 (4.41%) Docker
6 9 (3.05%) Oracle RAC
7 8 (2.71%) Active Directory
8 5 (1.69%) VirtualBox
9 2 (0.68%) Btrfs
Systems Management
1 82 (27.80%) Hadoop YARN
2 62 (21.02%) Puppet
3 58 (19.66%) Oozie
4 38 (12.88%) Ansible
5 22 (7.46%) Ambari
6 19 (6.44%) Nagios
7 18 (6.10%) Opscode Chef
8 13 (4.41%) Kibana
9 11 (3.73%) Terraform
10 10 (3.39%) Kubernetes
11 9 (3.05%) logstash
12 8 (2.71%) Salt
13 6 (2.03%) ZABBIX
14 5 (1.69%) Grafana
14 5 (1.69%) Graphite
14 5 (1.69%) Mesos
15 2 (0.68%) SCOM
16 1 (0.34%) Control-M
Vendors
1 82 (27.80%) Hortonworks
2 73 (24.75%) Cloudera
3 37 (12.54%) VMware
4 30 (10.17%) Oracle
5 23 (7.80%) Red Hat
6 14 (4.75%) SaltStack
6 14 (4.75%) Teradata
7 13 (4.41%) Tableau
8 12 (4.07%) MicroStrategy
9 11 (3.73%) Google
10 10 (3.39%) Ab Initio
11 9 (3.05%) Cisco
11 9 (3.05%) Informatica
12 8 (2.71%) Splunk
13 7 (2.37%) IBM
14 6 (2.03%) SAP
15 5 (1.69%) New Relic
15 5 (1.69%) Rackspace
16 4 (1.36%) MapR
17 3 (1.02%) Talend
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