Period
to 21 November 2017

The following table provides summary statistics for contract job vacancies advertised in Kingston Upon Thames with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 6 months to 21 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.

Test-Driven Development (TDD)
South London > Kingston Upon Thames
6 months to
21 Nov 2017
Same period 2016 Same period 2015
Rank 27 24 -
Rank change year-on-year -3 - +20
Contract jobs citing TDD 10 2 0
As % of all contract IT jobs advertised in Kingston Upon Thames 6.99% 1.49% -
As % of the Processes & Methodologies category 8.20% 1.69% -
Number of daily rates quoted 9 0 0
Kingston Upon Thames median daily rate £350 - -
South London median daily rate £525 £500 £431
% change year-on-year +5.00% +15.94% -2.82%
Number of hourly rates quoted 0 0 0
Kingston Upon Thames median hourly rate - - -
South London median hourly rate - - -

TDD is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Kingston Upon Thames with a requirement for process or methodology skills.

All Process and Methodology Skills
Kingston Upon Thames
Contract vacancies with a requirement for process or methodology skills 122 118 150
As % of all contract IT jobs advertised in Kingston Upon Thames 85.31% 88.06% 81.08%
Number of daily rates quoted 73 61 96
Kingston Upon Thames median daily rate £375 £383 £350
Median daily rate % change year-on-year -1.96% +9.29% +12.90%
10th Percentile £313 £300 £225
90th Percentile £672 £488 £470
South London median daily rate £500 £425 £375
% change year-on-year +17.65% +13.33% -9.09%
Number of hourly rates quoted 31 16 7
Kingston Upon Thames median hourly rate £47.83 £47.83 £50.00
Median hourly rate % change year-on-year - -4.34% +185.71%
10th Percentile £14.25 £14.25 £47.83
90th Percentile £50.00 £50.00 £52.17
South London median hourly rate £47.50 £23.75 £18.74
% change year-on-year +100.00% +26.72% +17.14%

TDD
Job Vacancy Trend in Kingston Upon Thames

Job postings citing TDD as a percentage of all IT jobs advertised in Kingston Upon Thames.

Job vacancy trend for TDD in Kingston Upon Thames

TDD
Contractor Daily Rate Trend in Kingston Upon Thames

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing TDD in Kingston Upon Thames.

Contractor daily rate trend for TDD in Kingston Upon Thames

For the 6 months to 21 November 2017, IT contractor jobs citing TDD 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 Kingston Upon Thames region with a requirement for TDD.

1 10 (100.00%) C#
1 10 (100.00%) SQL
1 10 (100.00%) .NET
2 9 (90.00%) Web Services
2 9 (90.00%) MVC
2 9 (90.00%) Microsoft
2 9 (90.00%) Agile Software Development
2 9 (90.00%) ASP.NET
2 9 (90.00%) Windows
2 9 (90.00%) T-SQL
2 9 (90.00%) ASP.NET MVC
2 9 (90.00%) ASP.NET Web API
3 8 (80.00%) BDD
3 8 (80.00%) VB6
3 8 (80.00%) VB
3 8 (80.00%) VB.NET
3 8 (80.00%) Scrum
4 7 (70.00%) Web Development
5 2 (20.00%) .NET Framework
5 2 (20.00%) JSON
5 2 (20.00%) Team Foundation Server
5 2 (20.00%) RESTful
5 2 (20.00%) AngularJS
5 2 (20.00%) Entity Framework
5 2 (20.00%) SOLID
5 2 (20.00%) JavaScript
5 2 (20.00%) SQL Server
6 1 (10.00%) IIS
6 1 (10.00%) CSS
6 1 (10.00%) SOAP

TDD
Co-occurring IT Skills in Kingston Upon Thames 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 (10.00%) IIS
Cloud Services
1 1 (10.00%) Microsoft Azure
1 1 (10.00%) SaaS
Database & Business Intelligence
1 2 (20.00%) SQL Server
2 1 (10.00%) Data Warehouse
2 1 (10.00%) Relational Database
2 1 (10.00%) SQL Server Reporting Services
Development Applications
1 2 (20.00%) Team Foundation Server
2 1 (10.00%) Git (software)
2 1 (10.00%) JIRA
General
1 1 (10.00%) Finance
1 1 (10.00%) Games
1 1 (10.00%) Law
Job Titles
1 10 (100.00%) Developer
2 8 (80.00%) C# Developer
3 7 (70.00%) VB Developer
3 7 (70.00%) VB6 Developer
4 1 (10.00%) .NET Developer
4 1 (10.00%) .NET Software Developer
4 1 (10.00%) C# .NET Developer
4 1 (10.00%) C# Software Developer
4 1 (10.00%) C# VB.NET Developer
4 1 (10.00%) Front End Developer (Client-Side Developer)
4 1 (10.00%) Lead .NET Developer
4 1 (10.00%) Lead C# Developer
4 1 (10.00%) Lead Developer
4 1 (10.00%) Lead Software Developer
4 1 (10.00%) Senior Developer
4 1 (10.00%) VB.NET Developer
Libraries, Frameworks & Software Standards
1 10 (100.00%) .NET
2 9 (90.00%) ASP.NET
2 9 (90.00%) ASP.NET MVC
2 9 (90.00%) ASP.NET Web API
2 9 (90.00%) Web Services
3 2 (20.00%) .NET Framework
3 2 (20.00%) AngularJS
3 2 (20.00%) Entity Framework
3 2 (20.00%) JSON
3 2 (20.00%) RESTful
4 1 (10.00%) Ajax
4 1 (10.00%) CSS
4 1 (10.00%) HTML
4 1 (10.00%) jQuery
4 1 (10.00%) RabbitMQ
4 1 (10.00%) SOAP
4 1 (10.00%) Twitter Bootstrap
4 1 (10.00%) WCF
4 1 (10.00%) WPF
4 1 (10.00%) XML
Miscellaneous
1 1 (10.00%) Client/Server
1 1 (10.00%) Enterprise Software
Operating Systems
1 9 (90.00%) Windows
Processes & Methodologies
1 9 (90.00%) Agile Software Development
1 9 (90.00%) MVC
2 8 (80.00%) BDD
2 8 (80.00%) Scrum
3 7 (70.00%) Web Development
4 2 (20.00%) SOLID
5 1 (10.00%) Continuous Improvement
5 1 (10.00%) Data Integration
5 1 (10.00%) Front End Development
5 1 (10.00%) OO
5 1 (10.00%) Pair Programming
5 1 (10.00%) SDLC
5 1 (10.00%) Software Architecture
5 1 (10.00%) Time Management
Programming Languages
1 10 (100.00%) C#
1 10 (100.00%) SQL
2 9 (90.00%) T-SQL
3 8 (80.00%) VB
3 8 (80.00%) VB.NET
3 8 (80.00%) VB6
4 2 (20.00%) JavaScript
5 1 (10.00%) C
5 1 (10.00%) C++
5 1 (10.00%) XAML
Vendors
1 9 (90.00%) Microsoft