Period
to 21 July 2018

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 21 July 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
West Sussex > Crawley
6 months to
21 Jul 2018
Same period 2017 Same period 2016
Rank 20 26 22
Rank change year-on-year +6 -4 +12
Permanent jobs citing TDD 62 76 124
As % of all permanent IT jobs advertised in Crawley 10.03% 10.00% 12.33%
As % of the Processes & Methodologies category 11.74% 11.23% 13.35%
Number of salaries quoted 65 81 129
Crawley median annual salary £52,500 £42,500 £45,000
Median salary % change year-on-year +23.53% -5.56% -10.00%
10th Percentile £41,250 £30,000 £23,750
90th Percentile £63,750 £57,500 £61,250
West Sussex median annual salary £47,500 £42,500 £42,500
% change year-on-year +11.76% - -10.53%

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 528 677 929
As % of all permanent IT jobs advertised in Crawley 85.44% 89.08% 92.35%
Number of salaries quoted 498 642 860
Crawley median annual salary £45,000 £42,500 £46,250
Median salary % change year-on-year +5.88% -8.11% +5.11%
10th Percentile £27,500 £30,000 £29,000
90th Percentile £63,750 £57,500 £67,500
West Sussex median annual salary £45,000 £43,500 £42,500
% change year-on-year +3.45% +2.35% -

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 21 July 2018.

Salary histogram for TDD in Crawley

For the 6 months to 21 July 2018, IT 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 permanent job ads across the Crawley region with a requirement for TDD.

1 46 (74.19%) BDD
2 44 (70.97%) Agile Software Development
3 42 (67.74%) C#
3 42 (67.74%) .NET
3 42 (67.74%) SQL Server
4 38 (61.29%) .NET Framework
4 38 (61.29%) ASP.NET
4 38 (61.29%) MVC
4 38 (61.29%) ASP.NET MVC
5 37 (59.68%) Ruby
6 35 (56.45%) ASP.NET Web API
7 34 (54.84%) Entity Framework
8 31 (50.00%) Node.js
8 31 (50.00%) Git (software)
8 31 (50.00%) RESTful
9 30 (48.39%) Web Application Development
9 30 (48.39%) WPF
9 30 (48.39%) SQL Server 2016
9 30 (48.39%) ASP.NET MVC 5
10 27 (43.55%) WCF
11 26 (41.94%) NoSQL
11 26 (41.94%) Marketing
11 26 (41.94%) WinForms
11 26 (41.94%) Windows
11 26 (41.94%) Code First Entity Framework
12 23 (37.10%) JavaScript
13 18 (29.03%) HTML
14 14 (22.58%) KnockoutJS
15 12 (19.35%) Kanban
16 11 (17.74%) CSS

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 4 (6.45%) Elasticsearch
2 1 (1.61%) SharePoint
Cloud Services
1 4 (6.45%) Microsoft Azure
2 1 (1.61%) Amazon AWS
2 1 (1.61%) Amazon EC2
2 1 (1.61%) GitHub
2 1 (1.61%) Virtual Private Cloud
Communications & Networking
1 5 (8.06%) Wireless
2 1 (1.61%) TCP/IP
2 1 (1.61%) Wi-Fi
Database & Business Intelligence
1 42 (67.74%) SQL Server
2 30 (48.39%) SQL Server 2016
3 26 (41.94%) NoSQL
4 4 (6.45%) MongoDB
4 4 (6.45%) SQL Server 2014
5 1 (1.61%) Amazon DynamoDB
5 1 (1.61%) Amazon RDS
5 1 (1.61%) Amazon Redshift
5 1 (1.61%) MySQL
5 1 (1.61%) PostgreSQL
5 1 (1.61%) SQL Server 2012
Development Applications
1 31 (50.00%) Git (software)
2 5 (8.06%) Team Foundation Server
2 5 (8.06%) Visual Studio
3 4 (6.45%) gulp
3 4 (6.45%) TeamCity
3 4 (6.45%) Visual Studio Team System
4 2 (3.23%) Jenkins
5 1 (1.61%) Ant
5 1 (1.61%) Atlassian Bamboo
5 1 (1.61%) Bitbucket
5 1 (1.61%) Cucumber
5 1 (1.61%) GitLab
5 1 (1.61%) Gradle
5 1 (1.61%) Hudson
5 1 (1.61%) jMock
5 1 (1.61%) JUnit
5 1 (1.61%) Maven
5 1 (1.61%) Mockito
5 1 (1.61%) webpack
General
1 26 (41.94%) Marketing
2 1 (1.61%) Avionics
2 1 (1.61%) Finance
Job Titles
1 55 (88.71%) Developer
2 40 (64.52%) .NET Developer
3 28 (45.16%) .NET Software Developer
4 12 (19.35%) C# Developer
5 10 (16.13%) C# .NET Developer
6 8 (12.90%) ASP.NET Developer
6 8 (12.90%) ASP.NET MVC Developer
6 8 (12.90%) C# ASP.NET Developer
6 8 (12.90%) Senior Developer
7 7 (11.29%) Ruby on Rails Developer
8 6 (9.68%) Front End Developer (Client-Side Developer)
8 6 (9.68%) Senior .NET Developer
8 6 (9.68%) Senior ASP.NET Developer
8 6 (9.68%) Senior ASP.NET MVC Developer
8 6 (9.68%) Senior C# .NET Developer
8 6 (9.68%) Senior C# ASP.NET Developer
8 6 (9.68%) Senior C# Developer
9 5 (8.06%) Test Engineer
10 4 (6.45%) C# Software Developer
10 4 (6.45%) Software Developer
Libraries, Frameworks & Software Standards
1 42 (67.74%) .NET
2 38 (61.29%) .NET Framework
2 38 (61.29%) ASP.NET
2 38 (61.29%) ASP.NET MVC
3 35 (56.45%) ASP.NET Web API
4 34 (54.84%) Entity Framework
5 31 (50.00%) Node.js
5 31 (50.00%) RESTful
6 30 (48.39%) ASP.NET MVC 5
6 30 (48.39%) WPF
7 27 (43.55%) WCF
8 26 (41.94%) Code First Entity Framework
8 26 (41.94%) WinForms
9 18 (29.03%) HTML
10 14 (22.58%) KnockoutJS
11 11 (17.74%) CSS
12 10 (16.13%) jQuery
13 9 (14.52%) AngularJS
13 9 (14.52%) CSS3
13 9 (14.52%) HTML5
Miscellaneous
1 2 (3.23%) FMCG
1 2 (3.23%) User Experience
2 1 (1.61%) Enterprise Software
2 1 (1.61%) Linux Command Line
Operating Systems
1 26 (41.94%) Windows
2 6 (9.68%) Linux
3 1 (1.61%) Unix
Processes & Methodologies
1 46 (74.19%) BDD
2 44 (70.97%) Agile Software Development
3 38 (61.29%) MVC
4 30 (48.39%) Web Application Development
5 12 (19.35%) Kanban
6 10 (16.13%) Scrum
7 8 (12.90%) Inversion of Control
8 7 (11.29%) Open Source
9 6 (9.68%) API Design
9 6 (9.68%) API Development
9 6 (9.68%) Front End Development
10 5 (8.06%) Defect Tracking
10 5 (8.06%) Domain-Driven Design
10 5 (8.06%) Multithreading
10 5 (8.06%) Problem-Solving
10 5 (8.06%) Process Improvement
10 5 (8.06%) Risk Analysis
10 5 (8.06%) Root Cause Analysis
10 5 (8.06%) Test Automation
10 5 (8.06%) Unit Testing
Programming Languages
1 42 (67.74%) C#
2 37 (59.68%) Ruby
3 23 (37.10%) JavaScript
4 5 (8.06%) Python
5 4 (6.45%) F#
5 4 (6.45%) TypeScript
6 2 (3.23%) Java
6 2 (3.23%) SQL
Quality Assurance & Compliance
1 3 (4.84%) QA
System Software
1 1 (1.61%) Docker
Systems Management
1 4 (6.45%) Business Desktop Deployment
1 4 (6.45%) Kibana
1 4 (6.45%) WSUS
Vendors
1 5 (8.06%) Microsoft
2 1 (1.61%) Google
2 1 (1.61%) Oracle