Period
to 17 November 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 17 November 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
West Sussex > Crawley
6 months to
17 Nov 2018
Same period 2017 Same period 2016
Rank 25 23 24
Rank change year-on-year -2 +1 +9
Permanent jobs citing TDD 45 68 89
As % of all permanent IT jobs advertised in Crawley 7.04% 10.12% 8.67%
As % of the Processes & Methodologies category 8.11% 11.39% 9.50%
Number of salaries quoted 45 67 92
Crawley median annual salary £52,500 £47,500 £50,000
Median salary % change year-on-year +10.53% -5.00% -
10th Percentile £41,250 £30,000 £23,750
90th Percentile £73,750 £57,500 £61,250
West Sussex median annual salary £47,500 £45,000 £45,000
% change year-on-year +5.56% - -

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 555 597 937
As % of all permanent IT jobs advertised in Crawley 86.85% 88.84% 91.33%
Number of salaries quoted 525 525 893
Crawley median annual salary £47,500 £42,500 £47,500
Median salary % change year-on-year +11.76% -10.53% +5.56%
10th Percentile £30,000 £27,850 £30,000
90th Percentile £64,200 £58,750 £67,500
West Sussex median annual salary £47,500 £45,000 £45,000
% change year-on-year +5.56% - +5.88%

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 17 November 2018.

Salary histogram for TDD in Crawley

For the 6 months to 17 November 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 37 (82.22%) Agile Software Development
2 27 (60.00%) BDD
3 16 (35.56%) ASP.NET MVC
3 16 (35.56%) MVC
3 16 (35.56%) C#
3 16 (35.56%) .NET
3 16 (35.56%) ASP.NET
4 15 (33.33%) SQL Server
4 15 (33.33%) .NET Framework
4 15 (33.33%) Entity Framework
4 15 (33.33%) ASP.NET Web API
5 14 (31.11%) Node.js
5 14 (31.11%) Git (software)
5 14 (31.11%) RESTful
5 14 (31.11%) WCF
5 14 (31.11%) Marketing
5 14 (31.11%) Ruby
6 13 (28.89%) WinForms
6 13 (28.89%) Windows
6 13 (28.89%) WPF
6 13 (28.89%) NoSQL
6 13 (28.89%) Web Application Development
6 13 (28.89%) Code First Entity Framework
6 13 (28.89%) SQL Server 2016
6 13 (28.89%) ASP.NET MVC 5
7 12 (26.67%) Test Automation
7 12 (26.67%) Linux
8 11 (24.44%) Python
8 11 (24.44%) Java
8 11 (24.44%) JavaScript

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 1 (2.22%) Confluence
1 1 (2.22%) SharePoint
Cloud Services
1 1 (2.22%) Amazon AWS
1 1 (2.22%) Amazon EC2
1 1 (2.22%) GitHub
1 1 (2.22%) Virtual Private Cloud
Communications & Networking
1 10 (22.22%) Wireless
2 5 (11.11%) TCP/IP
2 5 (11.11%) Wi-Fi
Database & Business Intelligence
1 15 (33.33%) SQL Server
2 13 (28.89%) NoSQL
2 13 (28.89%) SQL Server 2016
3 1 (2.22%) Amazon DynamoDB
3 1 (2.22%) Amazon RDS
3 1 (2.22%) Amazon Redshift
3 1 (2.22%) MySQL
3 1 (2.22%) PostgreSQL
3 1 (2.22%) SQL Server 2012
Development Applications
1 14 (31.11%) Git (software)
2 4 (8.89%) gulp
3 2 (4.44%) Cucumber
3 2 (4.44%) Selenium
3 2 (4.44%) Team Foundation Server
4 1 (2.22%) Ant
4 1 (2.22%) Atlassian Bamboo
4 1 (2.22%) Bitbucket
4 1 (2.22%) GitLab
4 1 (2.22%) Gradle
4 1 (2.22%) Hudson
4 1 (2.22%) Jenkins
4 1 (2.22%) JIRA
4 1 (2.22%) jMock
4 1 (2.22%) JUnit
4 1 (2.22%) Maven
4 1 (2.22%) Mockito
4 1 (2.22%) SoapUI
4 1 (2.22%) Visual Studio
4 1 (2.22%) webpack
General
1 14 (31.11%) Marketing
2 5 (11.11%) Avionics
3 1 (2.22%) Finance
Job Titles
1 31 (68.89%) Developer
2 15 (33.33%) .NET Developer
3 13 (28.89%) .NET Software Developer
4 9 (20.00%) Java Developer
4 9 (20.00%) Test Engineer
5 8 (17.78%) Agile Developer
5 8 (17.78%) Agile Java Developer
5 8 (17.78%) Senior Developer
6 6 (13.33%) Front End Developer (Client-Side Developer)
7 4 (8.89%) Senior Agile Developer
7 4 (8.89%) Senior Agile Java Developer
7 4 (8.89%) Senior Java Developer
8 3 (6.67%) C# Developer
9 2 (4.44%) ASP.NET Developer
9 2 (4.44%) C# ASP.NET Developer
9 2 (4.44%) Senior .NET Developer
9 2 (4.44%) Senior ASP.NET Developer
9 2 (4.44%) Senior C# Developer
9 2 (4.44%) Senior Front-End Developer
9 2 (4.44%) Software Test Engineer
Libraries, Frameworks & Software Standards
1 16 (35.56%) .NET
1 16 (35.56%) ASP.NET
1 16 (35.56%) ASP.NET MVC
2 15 (33.33%) .NET Framework
2 15 (33.33%) ASP.NET Web API
2 15 (33.33%) Entity Framework
3 14 (31.11%) Node.js
3 14 (31.11%) RESTful
3 14 (31.11%) WCF
4 13 (28.89%) ASP.NET MVC 5
4 13 (28.89%) Code First Entity Framework
4 13 (28.89%) WinForms
4 13 (28.89%) WPF
5 9 (20.00%) HTML
6 8 (17.78%) CSS
7 7 (15.56%) KnockoutJS
8 6 (13.33%) CSS3
8 6 (13.33%) HTML5
9 5 (11.11%) AngularJS
9 5 (11.11%) Ember.js
Miscellaneous
1 5 (11.11%) Computer Science
2 2 (4.44%) FMCG
2 2 (4.44%) User Experience
3 1 (2.22%) Enterprise Software
3 1 (2.22%) Linux Command Line
Operating Systems
1 13 (28.89%) Windows
2 12 (26.67%) Linux
3 1 (2.22%) Unix
Processes & Methodologies
1 37 (82.22%) Agile Software Development
2 27 (60.00%) BDD
3 16 (35.56%) MVC
4 13 (28.89%) Web Application Development
5 12 (26.67%) Test Automation
6 10 (22.22%) Continuous Integration
6 10 (22.22%) Defect Tracking
6 10 (22.22%) Process Improvement
6 10 (22.22%) Root Cause Analysis
6 10 (22.22%) Software Testing
7 8 (17.78%) Customer Requirements
7 8 (17.78%) Microservices
7 8 (17.78%) Software Engineering
8 6 (13.33%) API Design
8 6 (13.33%) API Development
8 6 (13.33%) Front End Development
9 5 (11.11%) Requirements Analysis
9 5 (11.11%) Risk Analysis
9 5 (11.11%) Unit Testing
10 4 (8.89%) Wireframes
Programming Languages
1 16 (35.56%) C#
2 14 (31.11%) Ruby
3 11 (24.44%) Java
3 11 (24.44%) JavaScript
3 11 (24.44%) Python
4 4 (8.89%) TypeScript
Qualifications
1 6 (13.33%) Degree
Quality Assurance & Compliance
1 4 (8.89%) QA
System Software
1 1 (2.22%) Docker
Vendors
1 1 (2.22%) Microsoft
1 1 (2.22%) Oracle