Period
to 20 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Crawley with a requirement for TDD skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited TDD over the 6 months to 20 November 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
West Sussex > Crawley
6 months to
20 Nov 2017
Same period 2016 Same period 2015
Rank 23 24 33
Rank change year-on-year +1 +9 +48
Permanent jobs citing TDD 67 87 82
As % of all permanent IT jobs advertised in Crawley 10.11% 8.73% 9.62%
As % of the Processes & Methodologies category 11.71% 9.61% 10.90%
Number of salaries quoted 65 89 110
Crawley median annual salary £47,500 £50,000 £50,000
Median salary % change year-on-year -5.00% - -9.09%
10th Percentile £30,000 £23,750 £37,150
90th Percentile £57,500 £61,250 £62,500
West Sussex median annual salary £45,000 £45,000 £45,000

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

All Process and Methodology Skills
Crawley
Permanent vacancies with a requirement for process or methodology skills 572 905 752
As % of all permanent IT jobs advertised in Crawley 86.27% 90.77% 88.26%
Number of salaries quoted 500 863 681
Crawley median annual salary £42,500 £47,500 £45,000
Median salary % change year-on-year -10.53% +5.56% +7.14%
10th Percentile £27,500 £30,000 £28,750
90th Percentile £58,750 £67,250 £60,000
West Sussex median annual salary £45,000 £45,000 £42,500
% change year-on-year - +5.88% +2.41%

TDD
Job Vacancy Trend in Crawley

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

Job vacancy trend for TDD in Crawley

TDD
Salary Trend in Crawley

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing TDD in Crawley.

Salary trend for TDD in Crawley

TDD
Salary Histogram in Crawley

The salary distribution of IT jobs citing TDD in Crawley over the 6 months to 20 November 2017.

Salary histogram for TDD in Crawley

For the 6 months to 20 November 2017, IT jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Crawley region with a requirement for TDD.

1 48 (71.64%) Agile Software Development
2 46 (68.66%) C#
2 46 (68.66%) .NET
3 42 (62.69%) MVC
4 41 (61.19%) ASP.NET
5 40 (59.70%) SQL Server
6 37 (55.22%) ASP.NET MVC
6 37 (55.22%) ASP.NET Web API
7 35 (52.24%) BDD
8 34 (50.75%) KnockoutJS
8 34 (50.75%) AngularJS
9 33 (49.25%) Twitter Bootstrap
9 33 (49.25%) Web Application Development
9 33 (49.25%) ASP.NET MVC 5
9 33 (49.25%) RESTful
10 31 (46.27%) Ruby
11 23 (34.33%) JavaScript
11 23 (34.33%) Greenfield Project
12 22 (32.84%) SQL Server 2016
12 22 (32.84%) HTML
12 22 (32.84%) WPF
12 22 (32.84%) Kanban
13 21 (31.34%) Dependency Injection
14 20 (29.85%) Microsoft
15 19 (28.36%) OO
16 18 (26.87%) React
17 17 (25.37%) Internet
18 16 (23.88%) WSUS
18 16 (23.88%) Business Desktop Deployment
18 16 (23.88%) MSMQ

TDD
Co-occurring IT Skills in Crawley 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 16 (23.88%) Elasticsearch
2 1 (1.49%) CMS
2 1 (1.49%) Umbraco
Cloud Services
1 16 (23.88%) Microsoft Azure
2 3 (4.48%) GitHub
Communications & Networking
1 17 (25.37%) Internet
2 5 (7.46%) Broadband
3 3 (4.48%) Bluetooth
3 3 (4.48%) Wi-Fi
4 2 (2.99%) Wireless
Database & Business Intelligence
1 40 (59.70%) SQL Server
2 22 (32.84%) SQL Server 2016
3 16 (23.88%) MongoDB
3 16 (23.88%) SQL Server 2014
Development Applications
1 16 (23.88%) TeamCity
2 5 (7.46%) Moq
2 5 (7.46%) MSTest
2 5 (7.46%) NUnit
2 5 (7.46%) Rhino Mocks
3 3 (4.48%) Android Studio
3 3 (4.48%) Artifactory
3 3 (4.48%) Gradle
3 3 (4.48%) IntelliJ
3 3 (4.48%) Maven
3 3 (4.48%) Xcode
4 1 (1.49%) JUnit
General
1 5 (7.46%) Telecoms
2 3 (4.48%) Marketing
3 1 (1.49%) Advertising
3 1 (1.49%) Finance
Job Titles
1 65 (97.01%) Developer
2 45 (67.16%) .NET Developer
3 17 (25.37%) Internet Developer
4 16 (23.88%) Messaging Developer
5 15 (22.39%) Ruby on Rails Developer
6 6 (8.96%) C# Developer
7 5 (7.46%) .NET Programmer
7 5 (7.46%) ASP.NET Developer
7 5 (7.46%) ASP.NET MVC Developer
7 5 (7.46%) C# .NET Developer
7 5 (7.46%) C# ASP.NET Developer
7 5 (7.46%) C# Programmer
7 5 (7.46%) Graduate
7 5 (7.46%) Graduate ASP.NET Developer
7 5 (7.46%) Graduate Developer
7 5 (7.46%) HTML Developer
7 5 (7.46%) JavaScript Developer
7 5 (7.46%) JavaScript Engineer
7 5 (7.46%) Programmer
7 5 (7.46%) Telecoms Developer
Libraries, Frameworks & Software Standards
1 46 (68.66%) .NET
2 41 (61.19%) ASP.NET
3 37 (55.22%) ASP.NET MVC
3 37 (55.22%) ASP.NET Web API
4 34 (50.75%) AngularJS
4 34 (50.75%) KnockoutJS
5 33 (49.25%) ASP.NET MVC 5
5 33 (49.25%) RESTful
5 33 (49.25%) Twitter Bootstrap
6 22 (32.84%) HTML
6 22 (32.84%) WPF
7 18 (26.87%) React
8 16 (23.88%) MSMQ
8 16 (23.88%) Node.js
8 16 (23.88%) RabbitMQ
9 15 (22.39%) Ruby on Rails
10 6 (8.96%) CSS
11 5 (7.46%) Castle Windsor
11 5 (7.46%) Ninject
11 5 (7.46%) Spring.NET
Miscellaneous
1 23 (34.33%) Greenfield Project
2 3 (4.48%) Driving Licence
3 1 (1.49%) Xbox
Operating Systems
1 4 (5.97%) Android
1 4 (5.97%) Apple iOS
2 2 (2.99%) Linux
Processes & Methodologies
1 48 (71.64%) Agile Software Development
2 42 (62.69%) MVC
3 35 (52.24%) BDD
4 33 (49.25%) Web Application Development
5 22 (32.84%) Kanban
6 21 (31.34%) Dependency Injection
7 19 (28.36%) OO
8 16 (23.88%) Multithreading
8 16 (23.88%) Open Source
9 13 (19.40%) Continuous Integration
10 6 (8.96%) Scrum
11 5 (7.46%) Inversion of Control
11 5 (7.46%) MVVM
12 3 (4.48%) Change Management
12 3 (4.48%) Continuous Improvement
12 3 (4.48%) Project Management
12 3 (4.48%) Project Planning
12 3 (4.48%) Software Engineering
13 2 (2.99%) Process Improvement
13 2 (2.99%) Software Testing
Programming Languages
1 46 (68.66%) C#
2 31 (46.27%) Ruby
3 23 (34.33%) JavaScript
4 16 (23.88%) F#
5 4 (5.97%) Java
6 3 (4.48%) Apple Swift
6 3 (4.48%) C
6 3 (4.48%) C++
6 3 (4.48%) Objective-C
7 2 (2.99%) Python
7 2 (2.99%) SQL
8 1 (1.49%) PHP
Systems Management
1 16 (23.88%) Business Desktop Deployment
1 16 (23.88%) Kibana
1 16 (23.88%) WSUS
Vendors
1 20 (29.85%) Microsoft
2 3 (4.48%) Atmel