The table below looks at the statistics for RDF skills in IT contracts advertised for the England region. Included is a guide to the contractor rates offered in IT contracts that have cited RDF over the 3 months to 28 June 2016 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
28 Jun 2016
Same period 2015 Same period 2014
Resource Description Framework (RDF)
Rank 608 597 575
Rank change year-on-year
-11 -22
Contract jobs citing RDF 12 21 21
As % of all contract IT jobs located in England 0.024% 0.042% 0.044%
As % of the Processes & Methodologies category 0.029% 0.053% 0.056%
Number of daily rates quoted 10 15 17
Median daily rate £513 £525 £400
Median daily rate % change year-on-year
-2.38% +31.25%
90% offered a daily rate of more than £461 £500 £293
10% offered a daily rate of more than £611 £628 £501
UK excluding London median daily rate £656 £625 £400
% change year-on-year
+5.00% +56.25%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -
RDF
UK

The following table is for comparison with the above and provides statistics for the entire Processes & Methodologies category in contract jobs advertised in the England region.

Processes & Methodologies Category
England
Contract IT job ads with a match in the
Processes & Methodologies category
40710 39911 37758
As % of all contract IT jobs located in England 82.40% 79.72% 78.63%
Number of daily rates quoted 27348 26219 24080
Median daily rate £450 £415 £400
Median daily rate % change year-on-year
+8.43% +3.75%
90% offered a daily rate of more than £300 £288 £275
10% offered a daily rate of more than £600 £575 £575
UK excluding London median daily rate £400 £385 £375
% change year-on-year
+3.89% +2.66%
Number of hourly rates quoted 934 1059 1123
Median hourly rate £27.50 £27.50 £27.50
90% offered a hourly rate of more than £13.00 £12.21 £13.00
10% offered a hourly rate of more than £47.83 £50.00 £46.00
UK excluding London median hourly rate £28.50 £30.00 £30.00
% change year-on-year
-5.00% -

RDF
Jobs Demand Trend in England

The demand trend of contract jobs across the England region citing RDF as a proportion of all IT contracts with a match in the Processes & Methodologies category.

RDF Jobs Demand Trend in England

RDF
Daily Rate Trend in England

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing RDF across the England region.

RDF Daily Rate Trend in England

RDF
Daily Rate Histogram in England

This chart provides a histogram of daily rates quoted in contract IT jobs citing RDF across the England region over the 3 months to 28 June 2016.

RDF Daily Rate Histogram in England

RDF
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 RDF within the England region over the 3 months to 28 June 2016. 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
(Click see detailed
statistics and trends)
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 -11 10 £475 -7.31% 5
South West 0 1 £713 +14.00%
South East -7 1 £600 - 1
RDF
UK

RDF
Top 30 Related IT Skills in England

For the 6 months to 28 June 2016, IT contractor jobs citing RDF 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 RDF.

1 22 (70.97%) Agile Software Development
2 21 (67.74%) Java
3 20 (64.52%) SPARQL
4 17 (54.84%) SQL
5 15 (48.39%) Big Data
6 12 (38.71%) JSON
6 12 (38.71%) XML
7 11 (35.48%) Hadoop
7 11 (35.48%) Apache Spark
8 10 (32.26%) Relational Database
8 10 (32.26%) HBase
8 10 (32.26%) Scala
8 10 (32.26%) Reference Data
8 10 (32.26%) Apache
9 9 (29.03%) Release Management
9 9 (29.03%) Unit Testing
9 9 (29.03%) Apache Hive
10 8 (25.81%) NoSQL
10 8 (25.81%) BDD
10 8 (25.81%) Data Quality
10 8 (25.81%) Python
10 8 (25.81%) Data Modelling
10 8 (25.81%) RDBMS
10 8 (25.81%) Ant
10 8 (25.81%) TDD
10 8 (25.81%) Functional Programming
11 7 (22.58%) Finance
11 7 (22.58%) C++
11 7 (22.58%) Web Services
11 7 (22.58%) RESTful

RDF
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 11 (35.48%) Apache Spark
2 10 (32.26%) Apache
3 5 (16.13%) Apache Solr
3 5 (16.13%) Elasticsearch
4 1 (3.23%) Apache Pig
4 1 (3.23%) Apache Qpid
4 1 (3.23%) Jetty
4 1 (3.23%) SAS
4 1 (3.23%) Tomcat
Applications
1 1 (3.23%) SPSS
Cloud Services
1 1 (3.23%) SaaS
Communications & Networking
1 3 (9.68%) HTTP
2 2 (6.45%) HTTPS
3 1 (3.23%) AMQP
3 1 (3.23%) Internet
3 1 (3.23%) MQTT
3 1 (3.23%) SNMP
Database & Business Intelligence
1 15 (48.39%) Big Data
2 11 (35.48%) Hadoop
3 10 (32.26%) HBase
3 10 (32.26%) Relational Database
4 9 (29.03%) Apache Hive
5 8 (25.81%) NoSQL
5 8 (25.81%) RDBMS
6 4 (12.90%) Triplestore
7 3 (9.68%) MarkLogic
7 3 (9.68%) MongoDB
8 2 (6.45%) CouchDB
9 1 (3.23%) Apache Cassandra
9 1 (3.23%) Data Mining
9 1 (3.23%) Data Warehouse
9 1 (3.23%) DB2
9 1 (3.23%) Mahout
9 1 (3.23%) Pentaho
9 1 (3.23%) SQL Server
9 1 (3.23%) Star Schema
9 1 (3.23%) Text Mining
Development Applications
1 8 (25.81%) Ant
2 5 (16.13%) Talend Open Studio
3 4 (12.90%) Maven
4 3 (9.68%) Git (software)
5 2 (6.45%) Hudson
5 2 (6.45%) Jenkins
5 2 (6.45%) Subversion
General
1 7 (22.58%) Finance
2 6 (19.35%) Banking
3 3 (9.68%) Publishing
4 2 (6.45%) Investment Banking
5 1 (3.23%) Pharmaceutical
Job Titles
1 17 (54.84%) Developer
2 11 (35.48%) Scala Developer
3 6 (19.35%) Java Developer
4 5 (16.13%) Data Engineer
5 4 (12.90%) Architect
5 4 (12.90%) Big Data Developer
5 4 (12.90%) Hadoop Developer
5 4 (12.90%) Lead Developer
6 3 (9.68%) Data Architect
6 3 (9.68%) Java Scala Developer
7 2 (6.45%) Big Data Engineer
7 2 (6.45%) C++ Developer
7 2 (6.45%) Information Architect
7 2 (6.45%) NoSQL Engineer
7 2 (6.45%) Python Developer
8 1 (3.23%) Data Consultant
8 1 (3.23%) Lead Java Developer
8 1 (3.23%) Scrum Master
8 1 (3.23%) Security Architect
8 1 (3.23%) SQL Developer
Libraries, Frameworks & Software Standards
1 12 (38.71%) JSON
1 12 (38.71%) XML
2 7 (22.58%) RESTful
2 7 (22.58%) Web Services
3 5 (16.13%) Lucene
4 4 (12.90%) REST
5 3 (9.68%) HTML
5 3 (9.68%) JSON-LD
6 2 (6.45%) .NET
6 2 (6.45%) Akka
6 2 (6.45%) AngularJS
6 2 (6.45%) CSS
6 2 (6.45%) jQuery
6 2 (6.45%) Kafka
6 2 (6.45%) spray
6 2 (6.45%) Spring
7 1 (3.23%) Natural Language Processing
7 1 (3.23%) RabbitMQ
7 1 (3.23%) SAML
7 1 (3.23%) XML Schema
Miscellaneous
1 10 (32.26%) Reference Data
2 6 (19.35%) Semantic Web
3 5 (16.13%) W3C
4 3 (9.68%) Digital Media
4 3 (9.68%) Ontologies
5 2 (6.45%) Computer Science
5 2 (6.45%) Linked Data
6 1 (3.23%) Algorithms
6 1 (3.23%) Hedge funds
6 1 (3.23%) Internet of Things
6 1 (3.23%) Machine to Machine
6 1 (3.23%) Smart Energy
Operating Systems
1 2 (6.45%) Linux
Processes & Methodologies
1 22 (70.97%) Agile Software Development
2 9 (29.03%) Release Management
2 9 (29.03%) Unit Testing
3 8 (25.81%) BDD
3 8 (25.81%) Data Modelling
3 8 (25.81%) Functional Programming
3 8 (25.81%) TDD
4 6 (19.35%) SDLC
5 5 (16.13%) ETL
6 4 (12.90%) Analytics
6 4 (12.90%) Coaching
6 4 (12.90%) Scrum
6 4 (12.90%) Software Engineering
7 3 (9.68%) Data Management
8 2 (6.45%) Automated Testing
8 2 (6.45%) OO
8 2 (6.45%) Pair Programming
8 2 (6.45%) Refactoring
8 2 (6.45%) SOA
8 2 (6.45%) Technical Architecture
Programming Languages
1 21 (67.74%) Java
2 20 (64.52%) SPARQL
3 17 (54.84%) SQL
4 10 (32.26%) Scala
5 8 (25.81%) Python
6 7 (22.58%) C++
7 5 (16.13%) JavaScript
8 3 (9.68%) Ruby
9 2 (6.45%) C
9 2 (6.45%) C#
9 2 (6.45%) Clojure
9 2 (6.45%) Groovy
9 2 (6.45%) Objective-C
9 2 (6.45%) Perl
9 2 (6.45%) PHP
9 2 (6.45%) XPath
9 2 (6.45%) XQuery
10 1 (3.23%) MATLAB
10 1 (3.23%) R
Qualifications
1 2 (6.45%) Degree
Quality Assurance & Compliance
1 8 (25.81%) Data Quality
2 5 (16.13%) Dublin Core
System Software
1 1 (3.23%) Shibboleth
Vendors
1 5 (16.13%) Talend
2 4 (12.90%) Oracle
3 1 (3.23%) Cloudera
3 1 (3.23%) Hortonworks
3 1 (3.23%) IBM
3 1 (3.23%) MapR
3 1 (3.23%) OpenLink
3 1 (3.23%) Teradata