The following table provides summary statistics for contract job vacancies advertised in London with a requirement for SPARQL skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited SPARQL over the 3 months to 28 March 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

SPARQL
England / London
3 months to
28 Mar 2017
Same period 2016 Same period 2015
Rank 394 415 402
Rank change year-on-year +21 -13  
Contract jobs citing SPARQL 8 11 10
As % of all contract IT jobs advertised in London 0.041% 0.049% 0.046%
As % of the Programming Languages category 0.089% 0.12% 0.11%
Number of daily rates quoted 8 7 10
Median daily rate £379 £670 £375
Median daily rate % change year-on-year -43.47% +78.66%  
90% offered a daily rate of more than £370 £595 £300
10% offered a daily rate of more than £499 £805 £383
UK excluding London median daily rate £525 - £330
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

SPARQL is in the programming language skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in London with a requirement for programming language skills.

Contract Programming Language Skills
London
Contract job vacancies with a requirement for programming language skills 8987 9484 8988
As % of all contract IT job vacancies advertised in London 46.10% 42.52% 41.76%
Number of daily rates quoted 6680 7117 6500
Median daily rate £488 £475 £450
Median daily rate % change year-on-year +2.63% +5.55%  
90% offered a daily rate of more than £350 £325 £310
10% offered a daily rate of more than £625 £625 £600
UK excluding London median daily rate £388 £375 £350
% change year-on-year +3.33% +7.14%  
Number of hourly rates quoted 72 53 46
Median hourly rate £45.00 £31.00 £25.80
Median hourly rate % change year-on-year +45.16% +20.15%  
90% offered a hourly rate of more than £27.72 £17.50 £19.83
10% offered a hourly rate of more than £55.00 £52.75 £53.50
UK excluding London median hourly rate £41.50 £40.00 £36.00
% change year-on-year +3.75% +11.11%  

SPARQL
Job Vacancy Trend in London

The job posting trend of jobs advertised in London citing SPARQL as a proportion of all contract or permanent IT jobs with a match in the Programming Languages category.

Job vacancy trend for SPARQL in London

SPARQL
Contractor Daily Rate Trend in London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing SPARQL in London.

Contractor daily rate trend for SPARQL in London

SPARQL
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing SPARQL in London over the 3 months to 28 March 2017.

Contractor daily rate histogram for SPARQL in London

SPARQL
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 SPARQL within the London region over the 3 months to 28 March 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
City of London -8 1 £413 -25.00%
SPARQL
England

SPARQL
Top 30 Co-occurring IT Skills in London

For the 6 months to 28 March 2017, IT contractor jobs citing SPARQL 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 SPARQL.

1 19 (95.00%) RDF
2 12 (60.00%) HTML
3 10 (50.00%) Java
3 10 (50.00%) Agile Software Development
4 9 (45.00%) Software Engineering
4 9 (45.00%) Web Services
5 8 (40.00%) C
5 8 (40.00%) JavaScript
5 8 (40.00%) HTTP
5 8 (40.00%) RESTful
5 8 (40.00%) Linked Data
6 7 (35.00%) Semantic Web
6 7 (35.00%) Scrum
7 6 (30.00%) Publishing
7 6 (30.00%) TDD
7 6 (30.00%) Middleware
7 6 (30.00%) Pharmaceutical
7 6 (30.00%) C++
7 6 (30.00%) HTML5
7 6 (30.00%) BDD
8 5 (25.00%) Digital Media
8 5 (25.00%) Coaching
8 5 (25.00%) NoSQL
8 5 (25.00%) REST
8 5 (25.00%) JSON
8 5 (25.00%) XML
8 5 (25.00%) Front End Development
9 4 (20.00%) DevOps
9 4 (20.00%) Web Development
9 4 (20.00%) Unix

SPARQL
Co-occurring 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 3 (15.00%) Apache Qpid
2 1 (5.00%) Apache
2 1 (5.00%) Apache Spark
2 1 (5.00%) CMS
2 1 (5.00%) Oracle SOA Suite
2 1 (5.00%) SAS
Applications
1 1 (5.00%) SPSS
Cloud Services
1 1 (5.00%) Amazon AWS
1 1 (5.00%) Amazon EC2
Communications & Networking
1 8 (40.00%) HTTP
2 3 (15.00%) SNMP
3 1 (5.00%) HTTPS
Database & Business Intelligence
1 5 (25.00%) NoSQL
2 4 (20.00%) Big Data
2 4 (20.00%) Triplestore
3 2 (10.00%) Hadoop
3 2 (10.00%) MarkLogic
3 2 (10.00%) MongoDB
4 1 (5.00%) Apache Cassandra
4 1 (5.00%) CouchDB
4 1 (5.00%) HBase
4 1 (5.00%) Mahout
4 1 (5.00%) MySQL
4 1 (5.00%) Neo4j
Development Applications
1 2 (10.00%) JUnit
1 2 (10.00%) Maven
2 1 (5.00%) Git (software)
2 1 (5.00%) GoCD
2 1 (5.00%) Mercurial
2 1 (5.00%) Mockito
2 1 (5.00%) Subversion
2 1 (5.00%) Wercker
General
1 6 (30.00%) Pharmaceutical
1 6 (30.00%) Publishing
2 1 (5.00%) Banking
2 1 (5.00%) Finance
Job Titles
1 15 (75.00%) Developer
2 5 (25.00%) Java Developer
3 4 (20.00%) Web Developer
4 3 (15.00%) C Developer
4 3 (15.00%) Front End Developer (Client-Side Developer)
4 3 (15.00%) Front End Web Developer (Client-Side Developer)
4 3 (15.00%) Lead Developer
5 2 (10.00%) Big Data Developer
5 2 (10.00%) C Software Engineer
5 2 (10.00%) C/C++ Developer
5 2 (10.00%) C/C++ Software Engineer
5 2 (10.00%) C++ Developer
5 2 (10.00%) C++ Software Engineer
5 2 (10.00%) Senior Developer
5 2 (10.00%) Software Developer
5 2 (10.00%) Software Engineer
6 1 (5.00%) C/C++ Software Developer
6 1 (5.00%) Developer/Software Engineer
6 1 (5.00%) Objective-C Developer
6 1 (5.00%) Semantic Web Java Developer
Libraries, Frameworks & Software Standards
1 12 (60.00%) HTML
2 9 (45.00%) Web Services
3 8 (40.00%) RESTful
4 6 (30.00%) HTML5
4 6 (30.00%) Middleware
5 5 (25.00%) JSON
5 5 (25.00%) REST
5 5 (25.00%) XML
6 3 (15.00%) JSON-LD
6 3 (15.00%) RabbitMQ
6 3 (15.00%) SAML
7 2 (10.00%) .NET
7 2 (10.00%) CSS
7 2 (10.00%) jQuery
8 1 (5.00%) AngularJS
8 1 (5.00%) Backbone.js
8 1 (5.00%) Ember.js
8 1 (5.00%) Java EE
8 1 (5.00%) Natural Language Processing
8 1 (5.00%) Node.js
Miscellaneous
1 8 (40.00%) Linked Data
2 7 (35.00%) Semantic Web
3 5 (25.00%) Digital Media
4 3 (15.00%) W3C
5 2 (10.00%) Embedded Systems
6 1 (5.00%) Computer Science
6 1 (5.00%) Management Information System
Operating Systems
1 4 (20.00%) Linux
1 4 (20.00%) Unix
2 1 (5.00%) Windows
Processes & Methodologies
1 19 (95.00%) RDF
2 10 (50.00%) Agile Software Development
3 9 (45.00%) Software Engineering
4 7 (35.00%) Scrum
5 6 (30.00%) BDD
5 6 (30.00%) TDD
6 5 (25.00%) Coaching
6 5 (25.00%) Front End Development
7 4 (20.00%) DevOps
7 4 (20.00%) Web Development
8 3 (15.00%) Benchmarking
8 3 (15.00%) Ontologies
8 3 (15.00%) Performance Analysis
8 3 (15.00%) Performance Tuning
8 3 (15.00%) PLM
8 3 (15.00%) Secure Coding
8 3 (15.00%) Test Automation
8 3 (15.00%) Web Accessibility
9 2 (10.00%) Content Management
9 2 (10.00%) Line Management
Programming Languages
1 10 (50.00%) Java
2 8 (40.00%) C
2 8 (40.00%) JavaScript
3 6 (30.00%) C++
4 4 (20.00%) SQL
4 4 (20.00%) TypeScript
5 3 (15.00%) Objective-C
5 3 (15.00%) Python
6 2 (10.00%) XPath
6 2 (10.00%) XQuery
7 1 (5.00%) MATLAB
7 1 (5.00%) R
Qualifications
1 1 (5.00%) Degree
1 1 (5.00%) DV Cleared
1 1 (5.00%) Security Cleared
System Software
1 3 (15.00%) Shibboleth
2 1 (5.00%) Docker
Systems Management
1 1 (5.00%) Ansible
1 1 (5.00%) Consul
1 1 (5.00%) Packer
1 1 (5.00%) Terraform
Vendors
1 2 (10.00%) Oracle
2 1 (5.00%) IBM
2 1 (5.00%) Tableau