The table below looks at the statistics for TDD skills in IT contracts advertised for the Middlesex region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 11 December 2016 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
11 Dec 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 24 21 26
Rank change year-on-year
-3 +5
Contract jobs citing TDD 5 4 3
As % of all contract IT jobs located in Middlesex 3.42% 2.53% 1.46%
As % of the Processes & Methodologies category 4.20% 3.05% 1.82%
Number of daily rates quoted 4 4 3
Median daily rate £348 £350 £505
Median daily rate % change year-on-year
-0.71% -30.69%
UK excluding London median daily rate £425 £400 £375
% change year-on-year
+6.25% +6.66%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £39.76 £36.50 £38.25
% change year-on-year
+8.93% -4.57%
TDD
South East

The following table is for comparison with the above and provides statistics for the entire Processes & Methodologies category in contract jobs advertised in the Middlesex region.

Processes & Methodologies Category
Middlesex
Contract IT job ads with a match in the
Processes & Methodologies category
119 131 165
As % of all contract IT jobs located in Middlesex 81.51% 82.91% 80.10%
Number of daily rates quoted 62 76 103
Median daily rate £400 £413 £413
Median daily rate % change year-on-year
-3.03% -
90% offered a daily rate of more than £345 £330 £275
10% offered a daily rate of more than £546 £550 £512
UK excluding London median daily rate £413 £400 £387
% change year-on-year
+3.12% +3.35%
Number of hourly rates quoted 2 3 4
Median hourly rate £30.00 £45.00 £34.50
Median hourly rate % change year-on-year
-33.33% +30.43%
UK excluding London median hourly rate £30.00 £33.00 £25.00
% change year-on-year
-9.09% +32.00%

TDD
Jobs Demand Trend in Middlesex

The demand trend of contract jobs across the Middlesex region citing TDD as a proportion of all IT contracts with a match in the Processes & Methodologies category.

TDD Jobs Demand Trend in Middlesex

TDD
Daily Rate Trend in Middlesex

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing TDD across the Middlesex region.

TDD Daily Rate Trend in Middlesex

TDD
Top 30 Related IT Skills in Middlesex

For the 6 months to 11 December 2016, 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 Middlesex region with a requirement for TDD.

1 16 (84.21%) Agile Software Development
2 13 (68.42%) JavaScript
3 11 (57.89%) OO
4 10 (52.63%) AngularJS
5 9 (47.37%) Telecoms
6 8 (42.11%) Node.js
7 7 (36.84%) Git (software)
7 7 (36.84%) Scrum
7 7 (36.84%) HTTP
7 7 (36.84%) SQL
8 6 (31.58%) Front End Development
9 5 (26.32%) SOLID
9 5 (26.32%) REST
9 5 (26.32%) C++
9 5 (26.32%) Linux
9 5 (26.32%) OOP
9 5 (26.32%) Python
10 4 (21.05%) SOA
10 4 (21.05%) MPEG
10 4 (21.05%) Digital TV
10 4 (21.05%) DVB
10 4 (21.05%) HTML
10 4 (21.05%) Java
10 4 (21.05%) C
10 4 (21.05%) Degree
10 4 (21.05%) Computer Science
10 4 (21.05%) STB
10 4 (21.05%) HTML5
10 4 (21.05%) NoSQL
11 3 (15.79%) BDD

TDD
Top Related IT Skills in Middlesex 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:

Cloud Services
1 3 (15.79%) OpenShift
Communications & Networking
1 7 (36.84%) HTTP
2 4 (21.05%) DVB
3 2 (10.53%) WebEx
Database & Business Intelligence
1 4 (21.05%) NoSQL
2 3 (15.79%) Relational Database
3 2 (10.53%) SQL Server
Development Applications
1 7 (36.84%) Git (software)
2 3 (15.79%) Subversion
3 2 (10.53%) Team Foundation Server
3 2 (10.53%) Visual Studio
4 1 (5.26%) Jenkins
General
1 9 (47.37%) Telecoms
2 1 (5.26%) Games
Job Titles
1 15 (78.95%) Developer
2 8 (42.11%) JavaScript Developer
3 6 (31.58%) Front End Developer (Client-Side Developer)
3 6 (31.58%) UI Developer
4 3 (15.79%) Embedded Engineer
5 2 (10.53%) .NET Developer
5 2 (10.53%) C# .NET Developer
5 2 (10.53%) C# Developer
5 2 (10.53%) Embedded Software Engineer
5 2 (10.53%) Integration Engineer
5 2 (10.53%) Java Developer
5 2 (10.53%) Python Developer
5 2 (10.53%) Software Engineer
6 1 (5.26%) Agile Developer
6 1 (5.26%) C++ Developer
6 1 (5.26%) Games Developer
6 1 (5.26%) GUI Developer
6 1 (5.26%) Software Developer
6 1 (5.26%) Visual C++ Developer
6 1 (5.26%) Website Developer
Libraries, Frameworks & Software Standards
1 10 (52.63%) AngularJS
2 8 (42.11%) Node.js
3 5 (26.32%) REST
4 4 (21.05%) HTML
4 4 (21.05%) HTML5
5 3 (15.79%) React
5 3 (15.79%) Web Services
6 2 (10.53%) .NET
6 2 (10.53%) .NET Framework
6 2 (10.53%) Entity Framework
6 2 (10.53%) jQuery
6 2 (10.53%) LINQ
6 2 (10.53%) WPF
7 1 (5.26%) OpenGL
7 1 (5.26%) Qt
7 1 (5.26%) Spring
7 1 (5.26%) Spring Security
Miscellaneous
1 4 (21.05%) Computer Science
1 4 (21.05%) Digital TV
1 4 (21.05%) MPEG
1 4 (21.05%) STB
2 2 (10.53%) Data Extraction
Operating Systems
1 5 (26.32%) Linux
2 3 (15.79%) Unix
3 1 (5.26%) CentOS
3 1 (5.26%) Ubuntu
Processes & Methodologies
1 16 (84.21%) Agile Software Development
2 11 (57.89%) OO
3 7 (36.84%) Scrum
4 6 (31.58%) Front End Development
5 5 (26.32%) OOP
5 5 (26.32%) SOLID
6 4 (21.05%) SOA
7 3 (15.79%) BDD
7 3 (15.79%) Continuous Deployment
7 3 (15.79%) Continuous Integration
7 3 (15.79%) Microservices
7 3 (15.79%) Software Architecture
7 3 (15.79%) User Stories
8 2 (10.53%) Continuous Improvement
8 2 (10.53%) Open Source
8 2 (10.53%) Software Engineering
9 1 (5.26%) AOP
9 1 (5.26%) Automated Testing
9 1 (5.26%) Integration Testing
9 1 (5.26%) Pair Programming
Programming Languages
1 13 (68.42%) JavaScript
2 7 (36.84%) SQL
3 5 (26.32%) C++
3 5 (26.32%) Python
4 4 (21.05%) C
4 4 (21.05%) Java
5 2 (10.53%) C#
6 1 (5.26%) Bash Shell
6 1 (5.26%) Perl
6 1 (5.26%) VC++
Qualifications
1 4 (21.05%) Degree
Quality Assurance & Compliance
1 1 (5.26%) QA
System Software
1 1 (5.26%) Docker
1 1 (5.26%) Virtual Machines
1 1 (5.26%) vSphere
Vendors
1 2 (10.53%) Cisco
1 2 (10.53%) Microsoft
2 1 (5.26%) Oracle
2 1 (5.26%) SaltStack