The table below looks at the statistics for RDF skills in IT contracts advertised for the London region. Included is a guide to the contractor rates offered in IT contracts that have cited RDF over the 3 months to 29 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
29 Jun 2016
Same period 2015 Same period 2014
Resource Description Framework (RDF)
Rank 418 416 408
Rank change year-on-year
-2 -8
Contract jobs citing RDF 10 15 9
As % of all contract IT jobs located in London 0.046% 0.064% 0.039%
As % of the Processes & Methodologies category 0.055% 0.079% 0.048%
Number of daily rates quoted 8 11 8
Median daily rate £475 £513 £394
Median daily rate % change year-on-year
-7.31% +30.15%
90% offered a daily rate of more than £459 £500 £362
10% offered a daily rate of more than £583 £540 £450
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
England

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

Processes & Methodologies Category
London
Contract IT job ads with a match in the
Processes & Methodologies category
18252 18961 18637
As % of all contract IT jobs located in London 84.46% 81.15% 81.35%
Number of daily rates quoted 13341 13468 13184
Median daily rate £475 £450 £438
Median daily rate % change year-on-year
+5.55% +2.85%
90% offered a daily rate of more than £325 £310 £300
10% offered a daily rate of more than £625 £625 £600
UK excluding London median daily rate £400 £385 £375
% change year-on-year
+3.89% +2.66%
Number of hourly rates quoted 147 244 230
Median hourly rate £21.64 £22.18 £20.16
Median hourly rate % change year-on-year
-2.43% +10.01%
90% offered a hourly rate of more than £12.50 £11.00 £13.00
10% offered a hourly rate of more than £46.00 £55.50 £53.50
UK excluding London median hourly rate £28.50 £30.00 £30.00
% change year-on-year
-5.00% -

RDF
Jobs Demand Trend in London

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

RDF Jobs Demand Trend in London

RDF
Daily Rate Trend in London

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

RDF Daily Rate Trend in London

RDF
Daily Rate Histogram in London

This chart provides a histogram of daily rates quoted in contract IT jobs citing RDF across the London region over the 3 months to 29 June 2016.

RDF Daily Rate Histogram in London

RDF
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing RDF within the London region over the 3 months to 29 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
City of London +45 1 £450 -16.66%
Canary Wharf - 1 £550 -
RDF
England

RDF
Top 30 Related IT Skills in London

For the 6 months to 29 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 London region with a requirement for RDF.

1 20 (76.92%) Agile Software Development
2 19 (73.08%) Java
2 19 (73.08%) SPARQL
3 15 (57.69%) SQL
4 14 (53.85%) Big Data
5 11 (42.31%) Hadoop
5 11 (42.31%) Apache Spark
6 10 (38.46%) HBase
6 10 (38.46%) XML
6 10 (38.46%) Apache
7 9 (34.62%) Scala
7 9 (34.62%) Apache Hive
7 9 (34.62%) Unit Testing
7 9 (34.62%) JSON
7 9 (34.62%) Release Management
7 9 (34.62%) Reference Data
7 9 (34.62%) Relational Database
8 8 (30.77%) Functional Programming
8 8 (30.77%) Data Quality
8 8 (30.77%) RDBMS
8 8 (30.77%) Ant
9 7 (26.92%) TDD
9 7 (26.92%) BDD
10 6 (23.08%) NoSQL
10 6 (23.08%) RESTful
10 6 (23.08%) Finance
10 6 (23.08%) C++
10 6 (23.08%) Web Services
10 6 (23.08%) Python
10 6 (23.08%) SDLC

RDF
Top Related IT Skills in London 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 (42.31%) Apache Spark
2 10 (38.46%) Apache
3 4 (15.38%) Apache Solr
3 4 (15.38%) Elasticsearch
4 1 (3.85%) Apache Pig
4 1 (3.85%) Apache Qpid
4 1 (3.85%) Jetty
4 1 (3.85%) SAS
4 1 (3.85%) Tomcat
Applications
1 1 (3.85%) SPSS
Communications & Networking
1 3 (11.54%) HTTP
2 2 (7.69%) HTTPS
3 1 (3.85%) SNMP
Database & Business Intelligence
1 14 (53.85%) Big Data
2 11 (42.31%) Hadoop
3 10 (38.46%) HBase
4 9 (34.62%) Apache Hive
4 9 (34.62%) Relational Database
5 8 (30.77%) RDBMS
6 6 (23.08%) NoSQL
7 4 (15.38%) Triplestore
8 3 (11.54%) MarkLogic
8 3 (11.54%) MongoDB
9 2 (7.69%) CouchDB
10 1 (3.85%) Apache Cassandra
10 1 (3.85%) Couchbase
10 1 (3.85%) Data Mining
10 1 (3.85%) Data Warehouse
10 1 (3.85%) DB2
10 1 (3.85%) Mahout
10 1 (3.85%) SQL Server
10 1 (3.85%) Star Schema
10 1 (3.85%) Text Mining
Development Applications
1 8 (30.77%) Ant
2 4 (15.38%) Maven
2 4 (15.38%) Talend Open Studio
3 2 (7.69%) Git (software)
4 1 (3.85%) Hudson
4 1 (3.85%) Jenkins
4 1 (3.85%) Subversion
General
1 6 (23.08%) Finance
2 5 (19.23%) Banking
3 3 (11.54%) Publishing
4 1 (3.85%) Investment Banking
4 1 (3.85%) Pharmaceutical
Job Titles
1 16 (61.54%) Developer
2 10 (38.46%) Scala Developer
3 6 (23.08%) Java Developer
4 4 (15.38%) Big Data Developer
4 4 (15.38%) Data Engineer
4 4 (15.38%) Hadoop Developer
4 4 (15.38%) Lead Developer
5 3 (11.54%) Java Scala Developer
6 2 (7.69%) Big Data Engineer
6 2 (7.69%) C++ Developer
6 2 (7.69%) NoSQL Engineer
6 2 (7.69%) Python Developer
7 1 (3.85%) Agile Developer
7 1 (3.85%) Java Hadoop Developer
7 1 (3.85%) Lead Java Developer
7 1 (3.85%) Scrum Master
7 1 (3.85%) Senior Java Developer
7 1 (3.85%) Senior Java Scala Developer
7 1 (3.85%) Senior Scala Developer
7 1 (3.85%) SQL Developer
Libraries, Frameworks & Software Standards
1 10 (38.46%) XML
2 9 (34.62%) JSON
3 6 (23.08%) RESTful
3 6 (23.08%) Web Services
4 4 (15.38%) Lucene
5 3 (11.54%) HTML
5 3 (11.54%) REST
6 2 (7.69%) .NET
6 2 (7.69%) AngularJS
6 2 (7.69%) CSS
6 2 (7.69%) jQuery
6 2 (7.69%) JSON-LD
6 2 (7.69%) Kafka
6 2 (7.69%) Spring
7 1 (3.85%) Akka
7 1 (3.85%) JAX-RS
7 1 (3.85%) MLlib
7 1 (3.85%) Natural Language Processing
7 1 (3.85%) RabbitMQ
7 1 (3.85%) spray
Miscellaneous
1 9 (34.62%) Reference Data
2 4 (15.38%) Semantic Web
3 3 (11.54%) Digital Media
3 3 (11.54%) W3C
4 2 (7.69%) Computer Science
4 2 (7.69%) Ontologies
5 1 (3.85%) Algorithms
5 1 (3.85%) Hedge funds
5 1 (3.85%) Linked Data
Operating Systems
1 1 (3.85%) Linux
Processes & Methodologies
1 20 (76.92%) Agile Software Development
2 9 (34.62%) Release Management
2 9 (34.62%) Unit Testing
3 8 (30.77%) Functional Programming
4 7 (26.92%) BDD
4 7 (26.92%) TDD
5 6 (23.08%) SDLC
6 5 (19.23%) Data Modelling
7 4 (15.38%) Coaching
7 4 (15.38%) ETL
7 4 (15.38%) Scrum
7 4 (15.38%) Software Engineering
8 3 (11.54%) Analytics
9 2 (7.69%) Automated Testing
9 2 (7.69%) Data Management
9 2 (7.69%) Line Management
9 2 (7.69%) Open Source
9 2 (7.69%) SOA
9 2 (7.69%) Technical Architecture
9 2 (7.69%) Translating Business Requirements
Programming Languages
1 19 (73.08%) Java
1 19 (73.08%) SPARQL
2 15 (57.69%) SQL
3 9 (34.62%) Scala
4 6 (23.08%) C++
4 6 (23.08%) Python
5 4 (15.38%) JavaScript
6 2 (7.69%) C
6 2 (7.69%) C#
6 2 (7.69%) Objective-C
6 2 (7.69%) XPath
6 2 (7.69%) XQuery
7 1 (3.85%) Clojure
7 1 (3.85%) Groovy
7 1 (3.85%) MATLAB
7 1 (3.85%) Perl
7 1 (3.85%) PHP
7 1 (3.85%) R
7 1 (3.85%) Ruby
Qualifications
1 2 (7.69%) Degree
Quality Assurance & Compliance
1 8 (30.77%) Data Quality
2 4 (15.38%) Dublin Core
System Software
1 1 (3.85%) Shibboleth
Vendors
1 4 (15.38%) Oracle
1 4 (15.38%) Talend
2 1 (3.85%) Cloudera
2 1 (3.85%) Hortonworks
2 1 (3.85%) IBM
2 1 (3.85%) MapR
2 1 (3.85%) Teradata