Period
to 24 September 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 24 September 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
24 Sep 2018
Same period 2017 Same period 2016
Rank 8 13 22
Rank change year-on-year +5 +9 -2
Contract jobs citing TDD 56 62 36
As % of all contract IT jobs advertised in Kent 13.02% 11.88% 6.27%
As % of the Processes & Methodologies category 15.38% 14.49% 7.71%
Number of daily rates quoted 29 61 32
Kent median daily rate £425 £350 £625
Median daily rate % change year-on-year +21.43% -44.00% +85.19%
10th Percentile £351 £331 £328
90th Percentile £478 £475 £775
South East median daily rate £475 £425 £425
% change year-on-year +11.76% - +8.28%
Number of hourly rates quoted 0 0 0
Kent median hourly rate - - -
South East median hourly rate £41.50 £42.50 £41.25
% change year-on-year -2.35% +3.03% -17.50%

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 364 428 467
As % of all contract IT jobs advertised in Kent 84.65% 81.99% 81.36%
Number of daily rates quoted 232 319 332
Kent median daily rate £400 £350 £388
Median daily rate % change year-on-year +14.29% -9.68% +13.97%
10th Percentile £214 £205 £193
90th Percentile £575 £565 £575
South East median daily rate £434 £415 £400
% change year-on-year +4.49% +3.75% +3.23%
Number of hourly rates quoted 26 17 7
Kent median hourly rate £36.50 £25.69 £21.00
Median hourly rate % change year-on-year +42.08% +22.33% +7.69%
10th Percentile £11.75 £13.00 £15.25
90th Percentile £46.38 £46.00 £114.40
South East median hourly rate £26.00 £20.75 £22.50
% change year-on-year +25.30% -7.78% -

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 24 September 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 24 September 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 9 £418 +22.79% 6
Maidstone +5 8 £425 +24.09% 3
Tunbridge Wells +3 6 - - 4
Dover +4 2 £450 +12.50% 1
Tonbridge +4 1 - - 1
Dartford - 1 £400 - 3
Ramsgate - 1 - -
TDD
South East

For the 6 months to 24 September 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 52 (92.86%) .NET
2 47 (83.93%) C#
3 45 (80.36%) .NET Framework
4 39 (69.64%) SQL
5 38 (67.86%) ASP.NET Web API
6 37 (66.07%) Entity Framework
7 33 (58.93%) Agile Software Development
7 33 (58.93%) CMS
8 29 (51.79%) Scrum
9 28 (50.00%) E-Commerce
10 27 (48.21%) Microsoft Azure
11 24 (42.86%) Sitecore CMS
11 24 (42.86%) Sitecore
12 22 (39.29%) API Development
13 21 (37.50%) ASP.NET
14 19 (33.93%) OAuth
15 17 (30.36%) AngularJS
16 16 (28.57%) SQL Server
17 14 (25.00%) JavaScript
18 13 (23.21%) HTML
18 13 (23.21%) MVC
18 13 (23.21%) Degree
18 13 (23.21%) TeamCity
19 12 (21.43%) RESTful
20 11 (19.64%) Windows
21 10 (17.86%) Web Services
21 10 (17.86%) Git (software)
21 10 (17.86%) LINQ
22 9 (16.07%) Team Foundation Server
22 9 (16.07%) Test Automation

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 33 (58.93%) CMS
2 24 (42.86%) Sitecore CMS
3 9 (16.07%) IIS
4 1 (1.79%) WordPress
Applications
1 1 (1.79%) Photoshop
Cloud Services
1 27 (48.21%) Microsoft Azure
2 1 (1.79%) GitHub
Database & Business Intelligence
1 16 (28.57%) SQL Server
2 7 (12.50%) SQL Server Integration Services
3 5 (8.93%) SQL Server 2008
4 4 (7.14%) SQL Server 2014
5 3 (5.36%) MySQL
6 2 (3.57%) Relational Database
7 1 (1.79%) RDBMS
Development Applications
1 13 (23.21%) TeamCity
2 10 (17.86%) Git (software)
3 9 (16.07%) ReSharper
3 9 (16.07%) Team Foundation Server
4 4 (7.14%) Octopus Deploy
5 1 (1.79%) Bitbucket
5 1 (1.79%) Grunt
5 1 (1.79%) gulp
5 1 (1.79%) Selenium
5 1 (1.79%) WebDriver
5 1 (1.79%) webpack
General
1 1 (1.79%) Advertising
1 1 (1.79%) Banking
1 1 (1.79%) Finance
1 1 (1.79%) Marketing
Job Titles
1 54 (96.43%) Developer
2 49 (87.50%) .NET Developer
3 25 (44.64%) C# .NET Developer
3 25 (44.64%) C# Developer
4 18 (32.14%) Senior .NET Developer
4 18 (32.14%) Senior Developer
5 8 (14.29%) ASP.NET Developer
5 8 (14.29%) C# ASP.NET Developer
6 7 (12.50%) SQL Developer
7 6 (10.71%) Azure Developer
8 4 (7.14%) AS400 Developer
9 2 (3.57%) Senior C# .NET Developer
9 2 (3.57%) Senior C# Developer
10 1 (1.79%) .NET Development Manager
10 1 (1.79%) Agile .NET Developer
10 1 (1.79%) Agile C# Developer
10 1 (1.79%) Full Stack Developer
10 1 (1.79%) Java Development Manager
10 1 (1.79%) Senior Full Stack Developer
10 1 (1.79%) Senior Software Engineer
Libraries, Frameworks & Software Standards
1 52 (92.86%) .NET
2 45 (80.36%) .NET Framework
3 38 (67.86%) ASP.NET Web API
4 37 (66.07%) Entity Framework
5 21 (37.50%) ASP.NET
6 19 (33.93%) OAuth
7 17 (30.36%) AngularJS
8 13 (23.21%) HTML
9 12 (21.43%) RESTful
10 10 (17.86%) LINQ
10 10 (17.86%) Web Services
11 8 (14.29%) ASP.NET Core
12 6 (10.71%) KnockoutJS
13 5 (8.93%) Backbone.js
13 5 (8.93%) jQuery
14 4 (7.14%) CSS
15 3 (5.36%) .NET Core
15 3 (5.36%) ASP.NET MVC
16 2 (3.57%) HTML5
16 2 (3.57%) LINQ to SQL
Miscellaneous
1 4 (7.14%) AS400
1 4 (7.14%) Fintech
2 3 (5.36%) Analytical Skills
3 1 (1.79%) Algorithms
3 1 (1.79%) Computer Science
3 1 (1.79%) Enterprise Software
3 1 (1.79%) Greenfield Project
3 1 (1.79%) Mobile App
3 1 (1.79%) W3C
Operating Systems
1 11 (19.64%) Windows
2 9 (16.07%) Windows Server
Processes & Methodologies
1 33 (58.93%) Agile Software Development
2 29 (51.79%) Scrum
3 28 (50.00%) E-Commerce
4 22 (39.29%) API Development
5 13 (23.21%) MVC
6 9 (16.07%) BDD
6 9 (16.07%) Deployment Automation
6 9 (16.07%) SOA
6 9 (16.07%) SOLID
6 9 (16.07%) Test Automation
7 8 (14.29%) Continuous Integration
7 8 (14.29%) Economics
7 8 (14.29%) OO
7 8 (14.29%) Problem-Solving
7 8 (14.29%) Software Architecture
8 6 (10.71%) Unit Testing
9 5 (8.93%) Concurrent Programming
9 5 (8.93%) Multithreading
9 5 (8.93%) MVVM
9 5 (8.93%) System Testing
Programming Languages
1 47 (83.93%) C#
2 39 (69.64%) SQL
3 14 (25.00%) JavaScript
4 5 (8.93%) R
5 3 (5.36%) T-SQL
6 2 (3.57%) Java
7 1 (1.79%) PHP
Qualifications
1 13 (23.21%) Degree
2 1 (1.79%) Microsoft Certification
Quality Assurance & Compliance
1 1 (1.79%) QA
Vendors
1 24 (42.86%) Sitecore
2 2 (3.57%) Microsoft
3 1 (1.79%) Anite
3 1 (1.79%) Facebook
3 1 (1.79%) Oracle