Period
to 20 November 2017

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for WSDL skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited WSDL over the 6 months to 20 November 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.

Web Services Description Language (WSDL)
Central London > City of London
6 months to
20 Nov 2017
Same period 2016 Same period 2015
Rank 243 243 257
Rank change year-on-year 0 +14 +23
Contract jobs citing WSDL 3 5 15
As % of all contract IT jobs advertised in the City of London 0.042% 0.076% 0.16%
As % of the Libraries, Frameworks & Software Standards category 0.11% 0.21% 0.53%
Number of daily rates quoted 3 5 15
City of London median daily rate £425 £375 £438
Median daily rate % change year-on-year +13.33% -14.29% +10.06%
10th Percentile £403 £315 £363
90th Percentile £438 £438 £555
Central London median daily rate £425 £375 £438
% change year-on-year +13.33% -14.29% +10.06%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

WSDL is in the Software Libraries and Frameworks category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
City of London
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 2694 2367 2843
As % of all contract IT jobs advertised in the City of London 38.01% 35.89% 31.10%
Number of daily rates quoted 2259 2006 2349
City of London median daily rate £513 £475 £475
Median daily rate % change year-on-year +7.89% - +5.56%
10th Percentile £363 £325 £313
90th Percentile £675 £638 £638
Central London median daily rate £500 £475 £463
% change year-on-year +5.26% +2.70% +8.82%
Number of hourly rates quoted 10 4 14
City of London median hourly rate £22.99 £35.00 £38.75
Median hourly rate % change year-on-year -34.31% -9.68% +29.17%
10th Percentile £20.28 £19.00 £12.40
90th Percentile £33.75 £56.31 £66.25
Central London median hourly rate £21.50 £35.00 £38.75
% change year-on-year -38.57% -9.68% +29.17%

WSDL
Job Vacancy Trend in the City of London

Job postings citing WSDL as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for WSDL in the City of London

WSDL
Contractor Daily Rate Trend in the City of London

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

Contractor daily rate trend for WSDL in the City of London

For the 6 months to 20 November 2017, IT contractor jobs citing WSDL 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 City of London region with a requirement for WSDL.

1 3 (100.00%) SOAP
1 3 (100.00%) Web Services
2 2 (66.67%) XML
2 2 (66.67%) JSON
2 2 (66.67%) C#
2 2 (66.67%) Finance
2 2 (66.67%) REST
2 2 (66.67%) Agile Software Development
2 2 (66.67%) BDD
2 2 (66.67%) SQL Server
3 1 (33.33%) SoapUI
3 1 (33.33%) TDD
3 1 (33.33%) SQL Server Reporting Services
3 1 (33.33%) Software Testing
3 1 (33.33%) Dynamics CRM
3 1 (33.33%) XPath
3 1 (33.33%) Functional Testing
3 1 (33.33%) SQL Server 2012
3 1 (33.33%) Mobile App
3 1 (33.33%) Calabash
3 1 (33.33%) Appium
3 1 (33.33%) API Testing
3 1 (33.33%) ISO 20022
3 1 (33.33%) Power BI
3 1 (33.33%) Windows Server
3 1 (33.33%) Scrum
3 1 (33.33%) ISO 8583
3 1 (33.33%) SQL
3 1 (33.33%) T-SQL
3 1 (33.33%) VB

WSDL
Co-occurring IT Skills in the City of 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 1 (33.33%) Oracle Service Bus
1 1 (33.33%) SharePoint
Applications
1 1 (33.33%) Microsoft Excel
Business Applications
1 1 (33.33%) Dynamics CRM
Database & Business Intelligence
1 2 (66.67%) SQL Server
2 1 (33.33%) Power BI
2 1 (33.33%) SQL Server 2008
2 1 (33.33%) SQL Server 2012
2 1 (33.33%) SQL Server Reporting Services
Development Applications
1 1 (33.33%) Appium
1 1 (33.33%) Calabash
1 1 (33.33%) Cucumber
1 1 (33.33%) Git (software)
1 1 (33.33%) JBehave
1 1 (33.33%) JMeter
1 1 (33.33%) LoadRunner
1 1 (33.33%) Selenium
1 1 (33.33%) SoapUI
1 1 (33.33%) Team Foundation Server
General
1 2 (66.67%) Finance
Job Titles
1 1 (33.33%) .NET Developer
1 1 (33.33%) Analyst
1 1 (33.33%) Developer
1 1 (33.33%) Integration Analyst
1 1 (33.33%) Payments Tester
1 1 (33.33%) Senior Software Tester
1 1 (33.33%) Senior Tester
1 1 (33.33%) Software Tester
1 1 (33.33%) Systems Analyst
1 1 (33.33%) Systems Integration Analyst
1 1 (33.33%) Tester
Libraries, Frameworks & Software Standards
1 3 (100.00%) SOAP
1 3 (100.00%) Web Services
2 2 (66.67%) JSON
2 2 (66.67%) REST
2 2 (66.67%) XML
3 1 (33.33%) .NET
3 1 (33.33%) WCF
3 1 (33.33%) XSD
3 1 (33.33%) XSLT
Miscellaneous
1 1 (33.33%) Mobile App
Operating Systems
1 1 (33.33%) Unix
1 1 (33.33%) Windows
1 1 (33.33%) Windows Server
1 1 (33.33%) Windows Server 2008
Processes & Methodologies
1 2 (66.67%) Agile Software Development
1 2 (66.67%) BDD
2 1 (33.33%) API Testing
2 1 (33.33%) Business Intelligence
2 1 (33.33%) CRM
2 1 (33.33%) Domain-Driven Design
2 1 (33.33%) Functional Testing
2 1 (33.33%) Integration Testing
2 1 (33.33%) Kanban
2 1 (33.33%) Performance Testing
2 1 (33.33%) Scrum
2 1 (33.33%) SOA
2 1 (33.33%) Software Testing
2 1 (33.33%) TDD
2 1 (33.33%) Test Scripting
Programming Languages
1 2 (66.67%) C#
2 1 (33.33%) Groovy
2 1 (33.33%) SQL
2 1 (33.33%) T-SQL
2 1 (33.33%) VB
2 1 (33.33%) XPath
Quality Assurance & Compliance
1 1 (33.33%) ISO 20022
1 1 (33.33%) ISO 8583
Vendors
1 1 (33.33%) Microsoft