Period
to 16 November 2018

The following table provides summary statistics for contract job vacancies advertised in Kent 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 16 November 2018 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 East > Kent
6 months to
16 Nov 2018
Same period 2017 Same period 2016
Rank 10 13 25
Rank change year-on-year +3 +12 -4
Contract jobs citing TDD 72 77 30
As % of all contract IT jobs advertised in Kent 17.22% 15.01% 6.00%
As % of the Processes & Methodologies category 20.22% 18.73% 7.21%
Number of daily rates quoted 39 66 21
Kent median daily rate £425 £350 £450
Median daily rate % change year-on-year +21.43% -22.22% +33.33%
10th Percentile £369 £331 £350
90th Percentile £488 £656 £638
South East median daily rate £484 £425 £450
% change year-on-year +13.88% -5.56% +13.92%
Number of hourly rates quoted 0 0 0
Kent median hourly rate - - -
South East median hourly rate £34.00 £45.00 £38.25
% change year-on-year -24.44% +17.65% -23.50%

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 Kent with a requirement for process or methodology skills.

All Process and Methodology Skills
Kent
Contract vacancies with a requirement for process or methodology skills 356 411 416
As % of all contract IT jobs advertised in Kent 85.17% 80.12% 83.20%
Number of daily rates quoted 222 312 285
Kent median daily rate £400 £350 £375
Median daily rate % change year-on-year +14.29% -6.67% +11.11%
10th Percentile £198 £250 £193
90th Percentile £600 £625 £563
South East median daily rate £438 £425 £400
% change year-on-year +2.94% +6.25% +2.56%
Number of hourly rates quoted 21 8 7
Kent median hourly rate £35.00 £25.69 £21.00
Median hourly rate % change year-on-year +36.24% +22.33% -19.23%
10th Percentile £11.25 £13.00 £15.25
90th Percentile £42.50 £45.75 £114.40
South East median hourly rate £28.50 £23.00 £24.50
% change year-on-year +23.91% -6.12% +2.08%

TDD
Job Vacancy Trend in Kent

Job postings citing TDD as a percentage of all IT jobs advertised in Kent.

Job vacancy trend for TDD in Kent

TDD
Contractor Daily Rate Trend in Kent

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

Contractor daily rate trend for TDD in Kent

TDD
Contractor Daily Rate Histogram in Kent

The daily rate distribution of IT jobs citing TDD in Kent over the 6 months to 16 November 2018.

Contractor daily rate histogram for TDD in Kent

TDD
Contract Job Locations in Kent

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the Kent region over the 6 months to 16 November 2018. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
West Malling -1 12 £418 +22.79% 5
Maidstone +8 11 £444 +26.79% 5
Tunbridge Wells 0 9 - - 2
Dover +2 3 £438 +16.67% 1
Canterbury - 2 £475 - 1
Tonbridge -1 1 - - 2
Chatham - 1 - -
Dartford - 1 £400 - 2
Ramsgate - 1 - -
TDD
South East

For the 6 months to 16 November 2018, IT contractor jobs citing TDD 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 Kent region with a requirement for TDD.

1 70 (97.22%) .NET
2 65 (90.28%) C#
3 64 (88.89%) .NET Framework
4 51 (70.83%) ASP.NET Web API
5 49 (68.06%) Agile Software Development
6 47 (65.28%) Entity Framework
7 46 (63.89%) SQL
8 41 (56.94%) Scrum
8 41 (56.94%) CMS
9 35 (48.61%) Microsoft Azure
10 31 (43.06%) E-Commerce
11 30 (41.67%) API Development
12 29 (40.28%) Sitecore CMS
12 29 (40.28%) Sitecore
13 28 (38.89%) ASP.NET
14 23 (31.94%) AngularJS
15 22 (30.56%) OAuth
16 19 (26.39%) BDD
17 18 (25.00%) MVC
17 18 (25.00%) SQL Server
18 17 (23.61%) HTML
18 17 (23.61%) JavaScript
18 17 (23.61%) TeamCity
19 16 (22.22%) RESTful
19 16 (22.22%) Degree
20 14 (19.44%) Web Services
20 14 (19.44%) Git (software)
21 13 (18.06%) Team Foundation Server
21 13 (18.06%) Test Automation
21 13 (18.06%) Continuous Integration

TDD
Co-occurring IT Skills in Kent 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 41 (56.94%) CMS
2 29 (40.28%) Sitecore CMS
3 9 (12.50%) IIS
4 1 (1.39%) WordPress
Applications
1 1 (1.39%) Photoshop
Cloud Services
1 35 (48.61%) Microsoft Azure
2 1 (1.39%) Azure Functions
2 1 (1.39%) GitHub
2 1 (1.39%) Serverless
2 1 (1.39%) Trello
Communications & Networking
1 3 (4.17%) HTTP
Database & Business Intelligence
1 18 (25.00%) SQL Server
2 7 (9.72%) SQL Server Integration Services
3 5 (6.94%) SQL Server 2008
4 4 (5.56%) SQL Server 2014
5 3 (4.17%) MySQL
6 1 (1.39%) NoSQL
6 1 (1.39%) RDBMS
6 1 (1.39%) Redis
6 1 (1.39%) Relational Database
6 1 (1.39%) SQL Server 2016
Development Applications
1 17 (23.61%) TeamCity
2 14 (19.44%) Git (software)
3 13 (18.06%) Team Foundation Server
4 10 (13.89%) ReSharper
5 6 (8.33%) Selenium
5 6 (8.33%) WebDriver
6 5 (6.94%) Octopus Deploy
7 2 (2.78%) JIRA
7 2 (2.78%) JMeter
7 2 (2.78%) MSTest
7 2 (2.78%) NUnit
7 2 (2.78%) Visual Studio Coded UI
7 2 (2.78%) Visual Studio Team System
8 1 (1.39%) Bitbucket
8 1 (1.39%) Cucumber
8 1 (1.39%) Fiddler
8 1 (1.39%) Grunt
8 1 (1.39%) SoapUI
8 1 (1.39%) SpecFlow
8 1 (1.39%) Visual Studio
General
1 8 (11.11%) Finance
2 2 (2.78%) Banking
3 1 (1.39%) Advertising
3 1 (1.39%) Marketing
Job Titles
1 69 (95.83%) Developer
2 66 (91.67%) .NET Developer
3 38 (52.78%) C# .NET Developer
3 38 (52.78%) C# Developer
4 23 (31.94%) Senior .NET Developer
4 23 (31.94%) Senior Developer
5 11 (15.28%) ASP.NET Developer
5 11 (15.28%) C# ASP.NET Developer
6 9 (12.50%) SQL Developer
7 8 (11.11%) Azure Developer
8 4 (5.56%) Senior C# .NET Developer
8 4 (5.56%) Senior C# Developer
9 2 (2.78%) .NET Software Developer
9 2 (2.78%) Agile .NET Developer
9 2 (2.78%) Agile C# Developer
9 2 (2.78%) Automation Tester
9 2 (2.78%) C# Software Developer
9 2 (2.78%) Software Developer
9 2 (2.78%) SQL Server Developer
9 2 (2.78%) Tester
Libraries, Frameworks & Software Standards
1 70 (97.22%) .NET
2 64 (88.89%) .NET Framework
3 51 (70.83%) ASP.NET Web API
4 47 (65.28%) Entity Framework
5 28 (38.89%) ASP.NET
6 23 (31.94%) AngularJS
7 22 (30.56%) OAuth
8 17 (23.61%) HTML
9 16 (22.22%) RESTful
10 14 (19.44%) Web Services
11 13 (18.06%) LINQ
12 11 (15.28%) ASP.NET Core
13 9 (12.50%) .NET Core
14 8 (11.11%) CSS
15 6 (8.33%) ASP.NET MVC
16 5 (6.94%) Backbone.js
16 5 (6.94%) jQuery
16 5 (6.94%) KnockoutJS
16 5 (6.94%) REST
17 4 (5.56%) HTML5
Miscellaneous
1 4 (5.56%) Greenfield Project
2 3 (4.17%) Analytical Skills
2 3 (4.17%) Self-Motivation
3 1 (1.39%) Algorithms
3 1 (1.39%) AS400
3 1 (1.39%) Computer Science
3 1 (1.39%) Fintech
3 1 (1.39%) Mobile App
3 1 (1.39%) W3C
Operating Systems
1 10 (13.89%) Windows
2 9 (12.50%) Windows Server
Processes & Methodologies
1 49 (68.06%) Agile Software Development
2 41 (56.94%) Scrum
3 31 (43.06%) E-Commerce
4 30 (41.67%) API Development
5 19 (26.39%) BDD
6 18 (25.00%) MVC
7 13 (18.06%) Continuous Integration
7 13 (18.06%) Test Automation
8 12 (16.67%) OO
9 11 (15.28%) Deployment Automation
9 11 (15.28%) Economics
9 11 (15.28%) Problem-Solving
9 11 (15.28%) SOA
9 11 (15.28%) SOLID
10 8 (11.11%) Concurrent Programming
10 8 (11.11%) Multithreaded Programming
10 8 (11.11%) Multithreading
10 8 (11.11%) Software Architecture
11 7 (9.72%) Web Development
12 6 (8.33%) Unit Testing
Programming Languages
1 65 (90.28%) C#
2 46 (63.89%) SQL
3 17 (23.61%) JavaScript
4 5 (6.94%) R
5 4 (5.56%) T-SQL
6 3 (4.17%) Java
7 1 (1.39%) PHP
7 1 (1.39%) PowerShell
Qualifications
1 16 (22.22%) Degree
Quality Assurance & Compliance
1 1 (1.39%) QA
Vendors
1 29 (40.28%) Sitecore
2 8 (11.11%) Microsoft
3 3 (4.17%) Oracle
4 1 (1.39%) Anite
4 1 (1.39%) Facebook
4 1 (1.39%) Xamarin