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 25 June 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
25 Jun 2017
Same period 2016 Same period 2015
Rank 509 488 524
Rank change year-on-year -21 +36  
Contract jobs citing WSDL 78 166 112
As % of all contract IT jobs advertised in the UK 0.17% 0.31% 0.20%
As % of the Libraries, Frameworks & Software Standards category 0.53% 1.10% 0.73%
Number of daily rates quoted 38 100 74
Median daily rate £488 £475 £425
Median daily rate % change year-on-year +2.63% +11.76%  
90% offered a daily rate of more than £440 £350 £330
10% offered a daily rate of more than £550 £641 £530
UK excluding London median daily rate £488 £475 £425
% change year-on-year +2.63% +11.76%  
Number of hourly rates quoted 3 0 0
Median hourly rate £40.00 - -
UK excluding London median hourly rate £40.00 - -

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 14838 15088 15400
As % of all contract IT job vacancies advertised in the UK 32.06% 28.44% 27.48%
Number of daily rates quoted 10253 10630 10284
Median daily rate £425 £420 £385
Median daily rate % change year-on-year +1.19% +9.09%  
90% offered a daily rate of more than £315 £300 £280
10% offered a daily rate of more than £580 £550 £550
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 194 180 213
Median hourly rate £42.50 £36.00 £37.45
Median hourly rate % change year-on-year +18.05% -3.87%  
90% offered a hourly rate of more than £21.00 £18.80 £17.86
10% offered a hourly rate of more than £55.00 £50.00 £55.00
UK excluding London median hourly rate £42.50 £36.00 £40.00
% change year-on-year +18.05% -10.00%  

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 25 June 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 25 June 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 -34 76 £488 +2.63% 11
South East +38 18 £445 -4.30%
London -24 17 £500 -0.99% 6
West Midlands +26 12 £513 +49.52%
East of England 0 12 £494 +38.59% 1
Shropshire - 12 £513 -
Telford - 12 £513 -
Essex - 12 £494 - 1
Wiltshire -7 8 £553 -7.91% 1
South West -21 8 £553 -13.33% 2
Southend-on-Sea - 8 £548 -
Buckinghamshire -12 7 - -
North West +5 6 £488 +2.63%
Corsham -9 6 £553 -15.00% 1
Milton Keynes -9 5 - -
Berkshire - 4 £475 -
Manchester +17 3 - -
Cheshire +4 3 £488 +2.63%
Hampshire -3 3 £431 -7.25%
Chester -5 3 £488 +2.63%
Slough - 3 £438 -
Crawley - 3 £440 -
West Sussex - 3 £440 -
Scotland +36 2 - -
Yorkshire +13 2 £375 -15.73% 1
City of London +3 2 - -
Glasgow 0 2 - -
Stockport - 2 - -
West Yorkshire +11 1 £375 -15.73%
Leeds +9 1 £375 -48.09%

For the 6 months to 25 June 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 96 (81.36%) XML
2 93 (78.81%) SOAP
3 68 (57.63%) Web Services
4 62 (52.54%) Agile Software Development
5 57 (48.31%) SOA
5 57 (48.31%) XSD
6 51 (43.22%) Java
7 49 (41.53%) JSON
8 39 (33.05%) Finance
9 38 (32.20%) XSLT
10 37 (31.36%) Linux
10 37 (31.36%) Middleware
11 35 (29.66%) TDD
11 35 (29.66%) REST
12 33 (27.97%) Git (software)
13 32 (27.12%) Jenkins
14 31 (26.27%) SoapUI
15 30 (25.42%) JSON Schema
15 30 (25.42%) Scrum
15 30 (25.42%) Unix
15 30 (25.42%) SQL
16 27 (22.88%) Subversion
17 25 (21.19%) Oracle
17 25 (21.19%) HTTP
18 24 (20.34%) SSL
19 23 (19.49%) Spring
20 22 (18.64%) Maven
20 22 (18.64%) Continuous Integration
21 21 (17.80%) Mac OS X
21 21 (17.80%) Kanban

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 12 (10.17%) Oracle SOA Suite
1 12 (10.17%) WebLogic
2 10 (8.47%) WebSphere
3 9 (7.63%) JBoss
4 7 (5.93%) Confluence
5 4 (3.39%) Mule
5 4 (3.39%) Oracle Coherence
5 4 (3.39%) Oracle Service Bus
6 3 (2.54%) FileNet
6 3 (2.54%) Tomcat
7 2 (1.69%) Adobe Experience Manager
7 2 (1.69%) Apache
7 2 (1.69%) SAS
7 2 (1.69%) WebSphere Application Server
8 1 (0.85%) BizTalk Server
8 1 (0.85%) GlassFish
8 1 (0.85%) nginx
8 1 (0.85%) SharePoint
8 1 (0.85%) SharePoint 2013
Applications
1 3 (2.54%) Microsoft Office
2 2 (1.69%) SPSS
3 1 (0.85%) Adobe Creative Suite
3 1 (0.85%) HipChat
Business Applications
1 10 (8.47%) SAP Oil and Gas
2 4 (3.39%) Salesforce.com CRM
3 1 (0.85%) Dynamics CRM
3 1 (0.85%) Oracle BPM
3 1 (0.85%) Oracle EBS
3 1 (0.85%) Oracle Retail
Cloud Services
1 6 (5.08%) SaaS
2 4 (3.39%) Amazon AWS
2 4 (3.39%) GitHub
2 4 (3.39%) IaaS
2 4 (3.39%) PaaS
3 3 (2.54%) Microsoft Azure
4 2 (1.69%) Boomi
5 1 (0.85%) Force.com
Communications & Networking
1 25 (21.19%) HTTP
2 24 (20.34%) SSL
3 7 (5.93%) TCP/IP
4 4 (3.39%) SSH
5 3 (2.54%) Firewall
5 3 (2.54%) SNMP
6 2 (1.69%) Telnet
7 1 (0.85%) Internet
7 1 (0.85%) LDAP
7 1 (0.85%) Radio Access Network
7 1 (0.85%) SMS
7 1 (0.85%) Wireless
Database & Business Intelligence
1 17 (14.41%) Relational Database
2 9 (7.63%) RDBMS
3 7 (5.93%) DB2
3 7 (5.93%) Oracle Database
3 7 (5.93%) SQL Server
4 6 (5.08%) Data Warehouse
5 4 (3.39%) NoSQL
5 4 (3.39%) Oracle Database 11g
5 4 (3.39%) Oracle Database 12c
5 4 (3.39%) Star Schema
6 3 (2.54%) Firebird
6 3 (2.54%) Power BI
7 2 (1.69%) Data Mining
7 2 (1.69%) Enterprise Data Warehouse
7 2 (1.69%) Text Mining
8 1 (0.85%) DB2 UDB
8 1 (0.85%) Oracle ODI
Development Applications
1 33 (27.97%) Git (software)
2 32 (27.12%) Jenkins
3 31 (26.27%) SoapUI
4 27 (22.88%) Subversion
5 22 (18.64%) Maven
6 16 (13.56%) JIRA
7 9 (7.63%) Eclipse
7 9 (7.63%) JUnit
8 8 (6.78%) XMLSpy
9 6 (5.08%) Selenium
10 3 (2.54%) Cucumber
10 3 (2.54%) ERwin
10 3 (2.54%) Gerrit
10 3 (2.54%) Gradle
10 3 (2.54%) Hudson
10 3 (2.54%) JBehave
10 3 (2.54%) Mockito
10 3 (2.54%) Sonatype Nexus
10 3 (2.54%) Visual Studio
11 2 (1.69%) ClearCase
General
1 39 (33.05%) Finance
2 14 (11.86%) Banking
2 14 (11.86%) Electronics
3 13 (11.02%) Telecoms
4 11 (9.32%) Manufacturing
5 10 (8.47%) Marketing
6 5 (4.24%) Investment Banking
7 3 (2.54%) Front Office
8 2 (1.69%) Advertising
8 2 (1.69%) Retail
9 1 (0.85%) Automotive
9 1 (0.85%) Financial Institution
9 1 (0.85%) Games
Job Titles
1 68 (57.63%) Developer
2 22 (18.64%) Java Developer
3 21 (17.80%) Architect
4 17 (14.41%) SOA Developer
5 14 (11.86%) Analyst
6 11 (9.32%) Agile Developer
6 11 (9.32%) Linux Developer
6 11 (9.32%) Senior Developer
7 7 (5.93%) Data Architect
7 7 (5.93%) Software Developer
7 7 (5.93%) Technical Architect
8 6 (5.08%) C++ Developer
8 6 (5.08%) Consultant
9 5 (4.24%) Middleware Developer
9 5 (4.24%) Senior Agile Developer
9 5 (4.24%) Software Engineer
9 5 (4.24%) Test Analyst
10 4 (3.39%) Product Business Analyst
10 4 (3.39%) Product Owner
10 4 (3.39%) Technical Product Owner
Libraries, Frameworks & Software Standards
1 96 (81.36%) XML
2 93 (78.81%) SOAP
3 68 (57.63%) Web Services
4 57 (48.31%) XSD
5 49 (41.53%) JSON
6 38 (32.20%) XSLT
7 37 (31.36%) Middleware
8 35 (29.66%) REST
9 30 (25.42%) JSON Schema
10 23 (19.49%) Spring
11 19 (16.10%) HTML
12 17 (14.41%) RESTful
13 15 (12.71%) J2EE
14 11 (9.32%) Java EE
14 11 (9.32%) JMS
15 10 (8.47%) XSL
16 8 (6.78%) CSS
16 8 (6.78%) JDBC
16 8 (6.78%) OAuth
16 8 (6.78%) XML Messaging
Miscellaneous
1 5 (4.24%) DataPower
1 5 (4.24%) Management Information System
2 4 (3.39%) Analytical Skills
2 4 (3.39%) Computer Science
2 4 (3.39%) NHS
3 3 (2.54%) Data Structures
3 3 (2.54%) Derivative
3 3 (2.54%) Driving Licence
3 3 (2.54%) Interest Rate Derivative
3 3 (2.54%) PKI
4 2 (1.69%) Enterprise Software
4 2 (1.69%) PMI
5 1 (0.85%) Clustering
5 1 (0.85%) CMDB
5 1 (0.85%) EMV
5 1 (0.85%) Private Cloud
5 1 (0.85%) User Experience
Operating Systems
1 37 (31.36%) Linux
2 30 (25.42%) Unix
3 21 (17.80%) Mac OS X
4 13 (11.02%) Windows
5 4 (3.39%) AIX
5 4 (3.39%) HPUX
5 4 (3.39%) Solaris
6 1 (0.85%) Apple iOS
Processes & Methodologies
1 62 (52.54%) Agile Software Development
2 57 (48.31%) SOA
3 35 (29.66%) TDD
4 30 (25.42%) Scrum
5 22 (18.64%) Continuous Integration
6 21 (17.80%) Kanban
7 16 (13.56%) DevOps
8 15 (12.71%) Conceptual Models
8 15 (12.71%) Data Modelling
9 14 (11.86%) Business Intelligence
10 12 (10.17%) Software Engineering
10 12 (10.17%) Test Automation
11 11 (9.32%) Microservices
11 11 (9.32%) Programme Management
11 11 (9.32%) SDLC
12 10 (8.47%) Data Architecture
12 10 (8.47%) Digital Marketing
12 10 (8.47%) Migration
13 9 (7.63%) Data Migration
14 8 (6.78%) Waterfall
Programming Languages
1 51 (43.22%) Java
2 30 (25.42%) SQL
3 11 (9.32%) Groovy
3 11 (9.32%) JavaScript
4 9 (7.63%) XPath
5 7 (5.93%) C#
5 7 (5.93%) C++
6 6 (5.08%) PL/SQL
7 3 (2.54%) Apex Code
7 3 (2.54%) Perl
7 3 (2.54%) Scala
8 2 (1.69%) Korn
8 2 (1.69%) R
8 2 (1.69%) VB
9 1 (0.85%) Apple Swift
9 1 (0.85%) Objective-C
9 1 (0.85%) T-SQL
Qualifications
1 11 (9.32%) BPSS Clearance
2 9 (7.63%) Security Cleared
3 8 (6.78%) SC Cleared
4 7 (5.93%) Degree
5 2 (1.69%) PMI Certification
6 1 (0.85%) BC Cleared
6 1 (0.85%) ISEB
Quality Assurance & Compliance
1 4 (3.39%) Data Quality
1 4 (3.39%) QA
2 2 (1.69%) HL7
System Software
1 3 (2.54%) VMware Infrastructure
1 3 (2.54%) Xen
2 1 (0.85%) Docker
2 1 (0.85%) Hyper-V
Systems Management
1 16 (13.56%) Ansible
2 4 (3.39%) Opscode Chef
2 4 (3.39%) Puppet
3 3 (2.54%) Microsoft Intune
4 1 (0.85%) SCCM
4 1 (0.85%) vCenter Server
4 1 (0.85%) WMI
Vendors
1 25 (21.19%) Oracle
2 19 (16.10%) WSO2
3 15 (12.71%) MuleSoft
4 13 (11.02%) IBM
5 11 (9.32%) SAP
6 9 (7.63%) Microsoft
7 6 (5.08%) Sybase
8 4 (3.39%) Salesforce.com
8 4 (3.39%) webMethods
9 3 (2.54%) Citrix
9 3 (2.54%) Cognos
9 3 (2.54%) Informatica
9 3 (2.54%) Netezza
9 3 (2.54%) Perforce
9 3 (2.54%) Teradata
9 3 (2.54%) VMware
10 2 (1.69%) Adobe
10 2 (1.69%) Apigee
10 2 (1.69%) Chordiant
10 2 (1.69%) Dell
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