Period
to 4 December 2021

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for WCF skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited WCF over the 6 months to 4 December 2021 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.

Windows Communication Foundation (WCF)
Central London > City of London
6 months to
4 Dec 2021
Same period 2020 Same period 2019
Rank 169 108 182
Rank change year-on-year -61 +74 +3
Contract jobs citing WCF 12 14 37
As % of all contract jobs advertised in the City of London 0.30% 0.70% 0.64%
As % of the Libraries, Frameworks & Software Standards category 0.92% 2.29% 1.82%
Number of daily rates quoted 7 12 29
10th Percentile " £419 £125
25th Percentile £513 £531 £400
Median daily rate (50th Percentile) £628 £585 £525
Median % change year-on-year +7.36% +11.33% -3.45%
75th Percentile £711 £733 £588
90th Percentile £797 £863 £725
Central London median daily rate £628 £585 £525
% change year-on-year +7.36% +11.33% -

WCF 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 1,300 612 2,030
As % of all contract IT jobs advertised in the City of London 32.32% 30.74% 35.16%
Number of daily rates quoted 1,017 488 1,675
10th Percentile £413 £363 £400
25th Percentile £481 £425 £463
Median daily rate (50th Percentile) £575 £550 £538
Median % change year-on-year +4.55% +2.33% +2.38%
75th Percentile £675 £625 £613
90th Percentile £750 £688 £688
Central London median daily rate £575 £550 £525
% change year-on-year +4.55% +4.76% -
Number of hourly rates quoted 7 2 3
10th Percentile £17.95 £36.88 £26.70
25th Percentile £28.13 £37.06 £34.88
Median hourly rate £36.50 £38.25 £52.00
Median % change year-on-year -4.58% -26.44% +251.35%
75th Percentile £52.75 £39.56 £60.25
90th Percentile £68.65 £39.83 £63.10
Central London median hourly rate £35.75 £38.25 £52.00
% change year-on-year -6.54% -26.44% +251.35%

WCF
Job Vacancy Trend in the City of London

Job postings citing WCF as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for WCF in the City of London

WCF
Contractor Daily Rate Trend in the City of London

3-month moving average daily rate quoted in jobs citing WCF in the City of London.

Daily rate trend for WCF in the City of London

WCF
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing WCF in the City of London over the 6 months to 4 December 2021.

Daily rate histogram for WCF in the City of London

WCF
Contractor Hourly Rate Trend in the City of London

3-month moving average hourly rates quoted in jobs citing WCF in the City of London.

Hourly rate trend for WCF in the City of London

For the 6 months to 4 December 2021, IT contractor jobs citing WCF also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the City of London region with a requirement for WCF.

1 11 (91.67%) .NET
1 11 (91.67%) C#
2 10 (83.33%) SQL
3 7 (58.33%) Finance
3 7 (58.33%) Banking
3 7 (58.33%) Windows
4 6 (50.00%) Agile Software Development
4 6 (50.00%) TeamCity
5 5 (41.67%) LINQ
5 5 (41.67%) Multithreading
5 5 (41.67%) MVC
6 4 (33.33%) Scrum
6 4 (33.33%) SQL Server
6 4 (33.33%) ASP.NET
6 4 (33.33%) Atlassian Bamboo
6 4 (33.33%) WPF
6 4 (33.33%) .NET Framework
6 4 (33.33%) Analytical Skills
7 3 (25.00%) ASP.NET Web API
7 3 (25.00%) SpecFlow
7 3 (25.00%) Jenkins
7 3 (25.00%) Unity DI Container
7 3 (25.00%) Degree
7 3 (25.00%) Unit Testing
7 3 (25.00%) Git (software)
7 3 (25.00%) Team Foundation Server
7 3 (25.00%) Test Automation
7 3 (25.00%) ASP.NET MVC
7 3 (25.00%) Dependency Injection
7 3 (25.00%) MVVM

WCF
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 (8.33%) Apache
1 1 (8.33%) IIS
1 1 (8.33%) nginx
1 1 (8.33%) Tomcat
1 1 (8.33%) WebSphere
Applications
1 1 (8.33%) Microsoft Excel
1 1 (8.33%) Microsoft PowerPoint
1 1 (8.33%) Microsoft Project
Cloud Services
1 2 (16.67%) Power Platform
2 1 (8.33%) Apigee
Communications & Networking
1 1 (8.33%) Kerberos
1 1 (8.33%) SSL
Database & Business Intelligence
1 4 (33.33%) SQL Server
2 2 (16.67%) Data Warehouse
2 2 (16.67%) Power BI
2 2 (16.67%) SQL Server Analysis Services
2 2 (16.67%) SQL Server Integration Services
3 1 (8.33%) MongoDB
3 1 (8.33%) NoSQL
3 1 (8.33%) SQL Server 2012
Development Applications
1 6 (50.00%) TeamCity
2 4 (33.33%) Atlassian Bamboo
3 3 (25.00%) Git (software)
3 3 (25.00%) Jenkins
3 3 (25.00%) NUnit
3 3 (25.00%) SpecFlow
3 3 (25.00%) Subversion
3 3 (25.00%) Team Foundation Server
4 2 (16.67%) Appium
4 2 (16.67%) JIRA
4 2 (16.67%) Maven
4 2 (16.67%) Octopus Deploy
4 2 (16.67%) Selenium
4 2 (16.67%) TestNG
4 2 (16.67%) Visual Studio
4 2 (16.67%) WebDriver
4 2 (16.67%) Zephyr
General
1 7 (58.33%) Banking
1 7 (58.33%) Finance
2 4 (33.33%) Analytical Skills
3 3 (25.00%) Investment Banking
4 2 (16.67%) Front Office
5 1 (8.33%) Social Skills
Job Titles
1 8 (66.67%) Developer
2 6 (50.00%) C# Developer
3 4 (33.33%) Senior C# Developer
3 4 (33.33%) Senior Developer
4 3 (25.00%) .NET Developer
4 3 (25.00%) C# .NET Developer
4 3 (25.00%) Lead .NET Developer
4 3 (25.00%) Lead C# Developer
4 3 (25.00%) Lead Developer
4 3 (25.00%) Senior .NET Developer
4 3 (25.00%) Senior C# .NET Developer
5 2 (16.67%) Automation Test Lead
5 2 (16.67%) SQL Developer
5 2 (16.67%) Test Leader
5 2 (16.67%) UI Developer
6 1 (8.33%) C# WPF Developer
6 1 (8.33%) Senior Systems Developer
6 1 (8.33%) Senior WPF Developer
6 1 (8.33%) Technical Leader
6 1 (8.33%) WPF Developer
Libraries, Frameworks & Software Standards
1 11 (91.67%) .NET
2 5 (41.67%) LINQ
3 4 (33.33%) .NET Framework
3 4 (33.33%) ASP.NET
3 4 (33.33%) WPF
4 3 (25.00%) ASP.NET MVC
4 3 (25.00%) ASP.NET Web API
4 3 (25.00%) Ninject
4 3 (25.00%) Unity DI Container
5 2 (16.67%) WinForms
6 1 (8.33%) AngularJS
6 1 (8.33%) LDAP
6 1 (8.33%) MSMQ
6 1 (8.33%) OAuth2
6 1 (8.33%) OpenID
6 1 (8.33%) SailPoint
6 1 (8.33%) SAML
6 1 (8.33%) SPNEGO
6 1 (8.33%) WebSphere MQ
6 1 (8.33%) Windows Identity Foundation
Miscellaneous
1 3 (25.00%) Fixed Income
2 2 (16.67%) Credit Risk
2 2 (16.67%) Grid Computing
2 2 (16.67%) Legacy Systems
3 1 (8.33%) PKI
Operating Systems
1 7 (58.33%) Windows
Processes & Methodologies
1 6 (50.00%) Agile Software Development
2 5 (41.67%) Multithreading
2 5 (41.67%) MVC
3 4 (33.33%) Scrum
4 3 (25.00%) Data Modelling
4 3 (25.00%) Dependency Injection
4 3 (25.00%) MVVM
4 3 (25.00%) Test Automation
4 3 (25.00%) Unit Testing
5 2 (16.67%) BDD
5 2 (16.67%) Business Intelligence
5 2 (16.67%) Computer Science
5 2 (16.67%) ETL
5 2 (16.67%) Mathematics
5 2 (16.67%) OO
5 2 (16.67%) OOP
5 2 (16.67%) Re-Platforming
5 2 (16.67%) Risk Management
5 2 (16.67%) TDD
6 1 (8.33%) SOLID
Programming Languages
1 11 (91.67%) C#
2 10 (83.33%) SQL
3 3 (25.00%) PL/SQL
4 2 (16.67%) T-SQL
4 2 (16.67%) VBScript
5 1 (8.33%) JavaScript
5 1 (8.33%) Python
5 1 (8.33%) VB
Qualifications
1 3 (25.00%) Degree
2 2 (16.67%) Computer Science Degree
2 2 (16.67%) ISTQB
2 2 (16.67%) ISTQB Advanced Certification
2 2 (16.67%) ISTQB Foundation Certification
2 2 (16.67%) Numerate Degree
Quality Assurance & Compliance
1 1 (8.33%) QA
System Software
1 2 (16.67%) Docker
1 2 (16.67%) Platform Symphony
Systems Management
1 1 (8.33%) Ansible
1 1 (8.33%) CA Single Sign-On
1 1 (8.33%) Single Sign-On
Vendors
1 3 (25.00%) Microsoft
2 1 (8.33%) BMC
2 1 (8.33%) CA
2 1 (8.33%) Telerik