The following table provides summary statistics for contract job vacancies with a requirement for WSDL skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited WSDL 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.

Web Services Description Language (WSDL)
UK
3 months to
28 Mar 2017
Same period 2016 Same period 2015
Rank 567 527 558
Rank change year-on-year -40 +31  
Contract jobs citing WSDL 41 112 84
As % of all contract IT jobs advertised in the UK 0.091% 0.21% 0.16%
As % of the Libraries, Frameworks & Software Standards category 0.29% 0.75% 0.59%
Number of daily rates quoted 20 63 56
Median daily rate £450 £400 £450
Median daily rate % change year-on-year +12.50% -11.11%  
90% offered a daily rate of more than £424 £300 £345
10% offered a daily rate of more than £505 £500 £575
UK excluding London median daily rate £450 £420 £425
% change year-on-year +7.14% -1.17%  
Number of hourly rates quoted 7 1 0
Median hourly rate £52.17 £45.00 -
Median hourly rate % change year-on-year +15.93% -  
UK excluding London median hourly rate £52.17 £45.00 -
% change year-on-year +15.93% -  

WSDL is in the industry standards, technical specifications and software library and framework skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
UK
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 14193 14997 14342
As % of all contract IT job vacancies advertised in the UK 31.48% 27.99% 26.55%
Number of daily rates quoted 9846 10410 9296
Median daily rate £425 £400 £388
Median daily rate % change year-on-year +6.25% +3.22%  
90% offered a daily rate of more than £300 £300 £275
10% offered a daily rate of more than £563 £550 £550
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 183 223 192
Median hourly rate £42.50 £38.75 £35.00
Median hourly rate % change year-on-year +9.67% +10.71%  
90% offered a hourly rate of more than £16.00 £13.00 £19.00
10% offered a hourly rate of more than £55.00 £60.62 £46.50
UK excluding London median hourly rate £40.50 £38.00 £36.00
% change year-on-year +6.57% +5.55%  

WSDL
Job Vacancy Trend

The job posting trend of jobs advertised citing WSDL as a proportion of all contract or permanent IT jobs with a match in the Libraries, Frameworks & Software Standards category.

Job vacancy trend for WSDL in the UK

WSDL
Contractor Daily Rate Trend

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

Contractor daily rate trend for WSDL in the UK

WSDL
Contractor Daily Rate Histogram

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

Contractor daily rate histogram for WSDL in the UK

WSDL
Contractor Hourly Rate Trend

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing WSDL.

Contractor hourly rate trend for WSDL in the UK

WSDL
Top 30 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing WSDL within the UK 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
England -26 34 £450 +12.50% 10
South East +3 8 £456 +14.06%
North West +21 7 £450 +7.46% 3
Scotland +11 7 £475 +18.75%
London -9 5 £475 +26.66% 1
Edinburgh - 5 £500 -
Cheshire +20 4 £450 +5.88% 1
East of England -2 4 £463 - 1
East Midlands - 4 £425 - 1
Yorkshire +14 3 £440 -12.00% 1
Chester +14 3 £450 +9.09% 1
West Midlands +12 3 £475 -5.00%
Leeds +10 3 £440 -12.00%
West Yorkshire +9 3 £440 -12.00% 1
Hertfordshire +5 3 £463 -
Shropshire - 3 £475 -
Lancashire - 3 - -
Surrey - 3 - -
Telford - 3 £475 -
Staines - 3 - -
Glasgow -2 2 £450 +75.60%
Hampshire -4 2 £450 +5.88%
Buckinghamshire -4 2 £463 +32.14%
Derbyshire - 2 £425 -
Derby - 2 £425 -
St Albans +2 1 - -
City of London -9 1 £400 +6.66%
Milton Keynes -9 1 £463 +32.14%
Winchester - 1 - -
Northampton - 1 £415 -

For the 6 months to 28 March 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 with a requirement for WSDL.

1 90 (79.65%) XML
2 88 (77.88%) SOAP
3 75 (66.37%) Java
4 72 (63.72%) Web Services
5 41 (36.28%) Agile Software Development
6 38 (33.63%) Oracle
7 37 (32.74%) Finance
7 37 (32.74%) REST
8 35 (30.97%) XSD
8 35 (30.97%) JavaScript
8 35 (30.97%) SQL
9 32 (28.32%) XSLT
10 30 (26.55%) HTML
11 29 (25.66%) CSS
12 28 (24.78%) Spring
13 27 (23.89%) Linux
14 26 (23.01%) J2EE
15 25 (22.12%) JSON
16 24 (21.24%) Unix
16 24 (21.24%) SOA
17 21 (18.58%) Open Source
18 20 (17.70%) Eclipse
18 20 (17.70%) Windows
18 20 (17.70%) Subversion
19 19 (16.81%) SoapUI
20 18 (15.93%) Git (software)
20 18 (15.93%) jQuery
20 18 (15.93%) DB2
20 18 (15.93%) JSP
21 17 (15.04%) Middleware

WSDL
Co-occurring IT Skills 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 13 (11.50%) Oracle SOA Suite
2 10 (8.85%) WebLogic
3 9 (7.96%) JBoss
4 8 (7.08%) WebSphere
5 5 (4.42%) Apache
5 5 (4.42%) Confluence
6 4 (3.54%) Oracle Service Bus
7 3 (2.65%) Adobe Experience Manager
7 3 (2.65%) Anypoint
7 3 (2.65%) Mule
7 3 (2.65%) Mule ESB
7 3 (2.65%) Tomcat
8 2 (1.77%) GlassFish
8 2 (1.77%) Oracle BPEL
9 1 (0.88%) CMS
9 1 (0.88%) FileNet
9 1 (0.88%) MQSeries
9 1 (0.88%) NetWeaver
9 1 (0.88%) Oracle Coherence
9 1 (0.88%) WebSphere Application Server
Applications
1 2 (1.77%) MS Excel
1 2 (1.77%) MS PowerPoint
1 2 (1.77%) MS Visio
2 1 (0.88%) Adobe Creative Suite
2 1 (0.88%) HipChat
Business Applications
1 4 (3.54%) Workday HCM
2 3 (2.65%) Oracle BPM
3 2 (1.77%) SAP Oil and Gas
4 1 (0.88%) BusinessWorks
4 1 (0.88%) Eloqua
4 1 (0.88%) Fredhopper
4 1 (0.88%) Magento
4 1 (0.88%) Markit EDM
4 1 (0.88%) Oracle EBS
4 1 (0.88%) Oracle EBS R12
4 1 (0.88%) PolarLake
4 1 (0.88%) SAP ERP
Cloud Services
1 7 (6.19%) Microsoft Azure
2 4 (3.54%) Boomi
3 3 (2.65%) Amazon AWS
4 2 (1.77%) SaaS
5 1 (0.88%) Force.com
5 1 (0.88%) GitHub
5 1 (0.88%) IaaS
Communications & Networking
1 8 (7.08%) HTTP
2 7 (6.19%) SSL
3 5 (4.42%) Internet
4 4 (3.54%) LDAP
5 2 (1.77%) SMS
5 2 (1.77%) Wireless
6 1 (0.88%) AMQP
6 1 (0.88%) Firewall
6 1 (0.88%) FTP
6 1 (0.88%) Intranet
6 1 (0.88%) TCP/IP
Database & Business Intelligence
1 18 (15.93%) DB2
2 12 (10.62%) Oracle Database
2 12 (10.62%) Relational Database
3 10 (8.85%) DB2 UDB
3 10 (8.85%) SQL Server
4 8 (7.08%) Oracle Database 12c
5 7 (6.19%) Oracle Database 11g
6 5 (4.42%) SAP HANA
7 4 (3.54%) MongoDB
8 3 (2.65%) Firebird
8 3 (2.65%) RDBMS
9 2 (1.77%) MySQL
9 2 (1.77%) PostgreSQL
9 2 (1.77%) Power BI
10 1 (0.88%) Informix
10 1 (0.88%) NoSQL
10 1 (0.88%) Oracle Database 10g
10 1 (0.88%) Oracle ODI
10 1 (0.88%) PowerCenter
10 1 (0.88%) SQL Server Integration Services
Development Applications
1 20 (17.70%) Eclipse
1 20 (17.70%) Subversion
2 19 (16.81%) SoapUI
3 18 (15.93%) Git (software)
4 17 (15.04%) Maven
5 16 (14.16%) Jenkins
6 11 (9.73%) Ant
7 10 (8.85%) JIRA
8 9 (7.96%) JUnit
9 5 (4.42%) ClearCase
9 5 (4.42%) Log4j
10 4 (3.54%) Gradle
11 3 (2.65%) Atlassian Bamboo
11 3 (2.65%) Checkstyle
11 3 (2.65%) FindBugs
11 3 (2.65%) Selenium
12 2 (1.77%) Bitbucket
12 2 (1.77%) Grunt
12 2 (1.77%) gulp
13 1 (0.88%) SonarQube
General
1 37 (32.74%) Finance
2 6 (5.31%) Banking
3 5 (4.42%) Electronics
4 4 (3.54%) Manufacturing
4 4 (3.54%) Retail
5 2 (1.77%) Advertising
5 2 (1.77%) Automotive
5 2 (1.77%) Front Office
5 2 (1.77%) Investment Banking
5 2 (1.77%) Marketing
5 2 (1.77%) Telecoms
6 1 (0.88%) Back Office
Job Titles
1 68 (60.18%) Developer
2 31 (27.43%) Java Developer
3 17 (15.04%) Architect
4 15 (13.27%) Analyst
5 10 (8.85%) SOA Developer
6 8 (7.08%) Analyst Developer
6 8 (7.08%) Data Analyst
7 6 (5.31%) Software Developer
7 6 (5.31%) Solutions Architect
8 5 (4.42%) Applications Developer
8 5 (4.42%) HTML Developer
8 5 (4.42%) Java Applications Developer
8 5 (4.42%) Oracle Developer
8 5 (4.42%) Oracle SOA Developer
9 4 (3.54%) Front End Developer (Client-Side Developer)
9 4 (3.54%) HTML CSS Developer
9 4 (3.54%) Java Software Developer
9 4 (3.54%) Middleware Developer
9 4 (3.54%) Migration Analyst
9 4 (3.54%) Senior Architect
Libraries, Frameworks & Software Standards
1 90 (79.65%) XML
2 88 (77.88%) SOAP
3 72 (63.72%) Web Services
4 37 (32.74%) REST
5 35 (30.97%) XSD
6 32 (28.32%) XSLT
7 30 (26.55%) HTML
8 29 (25.66%) CSS
9 28 (24.78%) Spring
10 26 (23.01%) J2EE
11 25 (22.12%) JSON
12 18 (15.93%) jQuery
12 18 (15.93%) JSP
13 17 (15.04%) Hibernate
13 17 (15.04%) Middleware
14 13 (11.50%) Java EE
14 13 (11.50%) XHTML
15 12 (10.62%) Struts
15 12 (10.62%) Struts2
16 11 (9.73%) RESTful
Miscellaneous
1 10 (8.85%) Computer Science
2 7 (6.19%) Management Information System
2 7 (6.19%) User Experience
3 5 (4.42%) Driving Licence
3 5 (4.42%) EMV
4 3 (2.65%) Analytical Skills
5 2 (1.77%) PMI
6 1 (0.88%) Data Structures
6 1 (0.88%) Derivative
6 1 (0.88%) Interest Rate Derivative
6 1 (0.88%) iPad
6 1 (0.88%) Reference Data
Operating Systems
1 27 (23.89%) Linux
2 24 (21.24%) Unix
3 20 (17.70%) Windows
4 4 (3.54%) Mac OS X
4 4 (3.54%) Windows Server
Processes & Methodologies
1 41 (36.28%) Agile Software Development
2 24 (21.24%) SOA
3 21 (18.58%) Open Source
4 16 (14.16%) UML
5 14 (12.39%) Scrum
6 12 (10.62%) DevOps
7 11 (9.73%) Continuous Integration
7 11 (9.73%) Performance Testing
7 11 (9.73%) TDD
8 9 (7.96%) ERP
8 9 (7.96%) Migration
9 8 (7.08%) BPEL
9 8 (7.08%) Project Management
9 8 (7.08%) SDLC
9 8 (7.08%) Software Engineering
10 7 (6.19%) E-Commerce
10 7 (6.19%) User Acceptance Testing
10 7 (6.19%) Waterfall
11 6 (5.31%) ITIL
11 6 (5.31%) PRINCE2
Programming Languages
1 75 (66.37%) Java
2 35 (30.97%) JavaScript
2 35 (30.97%) SQL
3 5 (4.42%) Groovy
4 4 (3.54%) C#
4 4 (3.54%) XPath
5 3 (2.65%) PL/SQL
6 2 (1.77%) C++
6 2 (1.77%) Perl
6 2 (1.77%) PHP
7 1 (0.88%) ABAP
7 1 (0.88%) Apex Code
7 1 (0.88%) Korn
7 1 (0.88%) SAPscript
7 1 (0.88%) Scala
7 1 (0.88%) Shell Script
7 1 (0.88%) SOQL
7 1 (0.88%) SOSL
7 1 (0.88%) T-SQL
7 1 (0.88%) XQuery
Qualifications
1 13 (11.50%) Degree
2 9 (7.96%) Security Cleared
3 5 (4.42%) SC Cleared
4 4 (3.54%) BC Cleared
5 2 (1.77%) BPSS Clearance
5 2 (1.77%) PMI Certification
Quality Assurance & Compliance
1 7 (6.19%) QA
2 1 (0.88%) Disclosure Scotland
System Software
1 1 (0.88%) Active Directory
1 1 (0.88%) Docker
Systems Management
1 4 (3.54%) Ansible
2 2 (1.77%) CloudHub
3 1 (0.88%) SCCM
3 1 (0.88%) TIBCO Hawk
3 1 (0.88%) WebSphere Cast Iron
Vendors
1 38 (33.63%) Oracle
2 7 (6.19%) SAP
3 5 (4.42%) Sybase
3 5 (4.42%) TIBCO
4 4 (3.54%) Informatica
4 4 (3.54%) Microsoft
4 4 (3.54%) MuleSoft
4 4 (3.54%) Workday
5 3 (2.65%) Adobe
5 3 (2.65%) Apigee
5 3 (2.65%) IBM
5 3 (2.65%) Perforce
6 2 (1.77%) Chordiant
6 2 (1.77%) Cognos
6 2 (1.77%) Dell
6 2 (1.77%) Netezza
6 2 (1.77%) Teradata
6 2 (1.77%) WSO2
7 1 (0.88%) hybris
7 1 (0.88%) VeriFone
Chester, Cheshire
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