Period
to 19 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Watford 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 19 November 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Hertfordshire > Watford
6 months to
19 Nov 2017
Same period 2016 Same period 2015
Rank 21 41 86
Rank change year-on-year +20 +45 +22
Permanent jobs citing TDD 94 53 16
As % of all permanent IT jobs advertised in Watford 9.70% 5.10% 1.50%
As % of the Processes & Methodologies category 11.34% 5.74% 1.71%
Number of salaries quoted 83 45 11
Watford median annual salary £45,000 £52,500 £45,000
Median salary % change year-on-year -14.29% +16.67% -36.84%
10th Percentile £33,750 £36,000 £33,750
90th Percentile £62,500 £72,500 £57,500
Hertfordshire median annual salary £47,500 £50,000 £50,000
% change year-on-year -5.00% - +5.26%

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 Watford with a requirement for process or methodology skills.

All Process and Methodology Skills
Watford
Permanent vacancies with a requirement for process or methodology skills 829 924 933
As % of all permanent IT jobs advertised in Watford 85.55% 88.85% 87.44%
Number of salaries quoted 679 790 749
Watford median annual salary £50,000 £52,500 £47,500
Median salary % change year-on-year -4.76% +10.53% +5.56%
10th Percentile £30,000 £28,000 £26,750
90th Percentile £69,000 £75,000 £72,500
Hertfordshire median annual salary £47,500 £50,000 £47,500
% change year-on-year -5.00% +5.26% +2.15%

TDD
Job Vacancy Trend in Watford

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

Job vacancy trend for TDD in Watford

TDD
Salary Trend in Watford

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

Salary trend for TDD in Watford

TDD
Salary Histogram in Watford

The salary distribution of IT jobs citing TDD in Watford over the 6 months to 19 November 2017.

Salary histogram for TDD in Watford

For the 6 months to 19 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 Watford region with a requirement for TDD.

1 88 (93.62%) Agile Software Development
2 50 (53.19%) BDD
3 41 (43.62%) C#
3 41 (43.62%) .NET
4 36 (38.30%) ASP.NET
4 36 (38.30%) Test Automation
5 34 (36.17%) Cucumber
5 34 (36.17%) Web Application Development
5 34 (36.17%) Java
6 32 (34.04%) SQL Server
6 32 (34.04%) MVC
7 31 (32.98%) Scrum
8 30 (31.91%) KnockoutJS
8 30 (31.91%) Gherkin
9 29 (30.85%) ASP.NET MVC
9 29 (30.85%) SDET
9 29 (30.85%) SQL Server 2016
9 29 (30.85%) ASP.NET MVC 5
9 29 (30.85%) JavaScript
10 28 (29.79%) QA
10 28 (29.79%) Selenium
11 27 (28.72%) Games
12 25 (26.60%) XML
12 25 (26.60%) AngularJS
13 23 (24.47%) RESTful
14 21 (22.34%) Node.js
14 21 (22.34%) WCF
15 20 (21.28%) Google
15 20 (21.28%) SQL
15 20 (21.28%) Ninject

TDD
Co-occurring IT Skills in Watford 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 (4.26%) Confluence
1 4 (4.26%) WordPress
2 1 (1.06%) Apache
2 1 (1.06%) CMS
2 1 (1.06%) Oracle SOA Suite
2 1 (1.06%) WebLogic
2 1 (1.06%) WebLogic Portal
2 1 (1.06%) WebSphere
Business Applications
1 4 (4.26%) Payment Gateway
2 1 (1.06%) Magento
Cloud Services
1 20 (21.28%) Google Play
2 4 (4.26%) Amazon AWS
Communications & Networking
1 10 (10.64%) Internet
2 1 (1.06%) HTTP
Database & Business Intelligence
1 32 (34.04%) SQL Server
2 29 (30.85%) SQL Server 2016
3 3 (3.19%) Redis
4 2 (2.13%) PostgreSQL
5 1 (1.06%) MongoDB
5 1 (1.06%) Oracle Database
5 1 (1.06%) SQL Server Integration Services
5 1 (1.06%) SQL Server Reporting Services
Development Applications
1 34 (36.17%) Cucumber
2 28 (29.79%) Selenium
3 13 (13.83%) Git (software)
4 12 (12.77%) JUnit
5 11 (11.70%) WebDriver
6 10 (10.64%) JBehave
7 9 (9.57%) Jenkins
8 7 (7.45%) JIRA
9 6 (6.38%) NUnit
9 6 (6.38%) SpecFlow
10 5 (5.32%) Eclipse
10 5 (5.32%) TeamCity
11 4 (4.26%) RSpec
12 2 (2.13%) Zephyr
13 1 (1.06%) Maven
13 1 (1.06%) Subversion
13 1 (1.06%) Team Foundation Server
13 1 (1.06%) WATIR
General
1 27 (28.72%) Games
2 18 (19.15%) Finance
3 10 (10.64%) Retail
4 1 (1.06%) Banking
4 1 (1.06%) Legal
4 1 (1.06%) Publishing
Job Titles
1 72 (76.60%) Developer
2 30 (31.91%) .NET Developer
3 20 (21.28%) Digital Developer
4 17 (18.09%) Java Developer
5 12 (12.77%) Java Engineer
5 12 (12.77%) Ruby on Rails Developer
6 8 (8.51%) Developer in Test
6 8 (8.51%) Software Developer
6 8 (8.51%) Test Automation Engineer
6 8 (8.51%) Test Engineer
7 7 (7.45%) C# Developer
7 7 (7.45%) Software Test Engineer
8 6 (6.38%) C# Software Developer
8 6 (6.38%) E-Commerce Developer
8 6 (6.38%) Java E-Commerce Developer
8 6 (6.38%) QA Automation Engineer
8 6 (6.38%) QA Engineer
9 5 (5.32%) Automation Engineer
9 5 (5.32%) Full Stack Developer
9 5 (5.32%) Ruby Developer
Libraries, Frameworks & Software Standards
1 41 (43.62%) .NET
2 36 (38.30%) ASP.NET
3 30 (31.91%) Gherkin
3 30 (31.91%) KnockoutJS
4 29 (30.85%) ASP.NET MVC
4 29 (30.85%) ASP.NET MVC 5
5 25 (26.60%) AngularJS
5 25 (26.60%) XML
6 23 (24.47%) RESTful
7 21 (22.34%) Node.js
7 21 (22.34%) WCF
8 20 (21.28%) Ninject
9 18 (19.15%) REST
10 17 (18.09%) Ruby on Rails
11 16 (17.02%) ASP.NET Web API
11 16 (17.02%) Web Services
12 9 (9.57%) Twitter Bootstrap
13 8 (8.51%) CSS
13 8 (8.51%) HTML
14 7 (7.45%) JSON
Miscellaneous
1 20 (21.28%) iPhone
1 20 (21.28%) Mobile App
2 10 (10.64%) RIA
3 9 (9.57%) Greenfield Project
3 9 (9.57%) Tandem
4 8 (8.51%) Computer Science
5 6 (6.38%) BBC
6 3 (3.19%) Fintech
7 2 (2.13%) Enterprise Software
Operating Systems
1 20 (21.28%) Android
2 14 (14.89%) Mac OS X
3 6 (6.38%) Linux
4 1 (1.06%) Windows
4 1 (1.06%) Windows Server
Processes & Methodologies
1 88 (93.62%) Agile Software Development
2 50 (53.19%) BDD
3 36 (38.30%) Test Automation
4 34 (36.17%) Web Application Development
5 32 (34.04%) MVC
6 31 (32.98%) Scrum
7 29 (30.85%) SDET
8 20 (21.28%) API Testing
8 20 (21.28%) Dependency Injection
8 20 (21.28%) Domain-Driven Design
9 16 (17.02%) Test Scripting
10 14 (14.89%) QA Automation
11 13 (13.83%) Software Engineering
12 10 (10.64%) Data Protection
12 10 (10.64%) Logistics
12 10 (10.64%) OO
12 10 (10.64%) Test Strategy
13 9 (9.57%) Open Source
14 8 (8.51%) Agile Testing
14 8 (8.51%) ATDD
Programming Languages
1 41 (43.62%) C#
2 34 (36.17%) Java
3 29 (30.85%) JavaScript
4 20 (21.28%) SQL
5 18 (19.15%) Ruby
6 5 (5.32%) PHP
6 5 (5.32%) PowerShell
7 2 (2.13%) PL/SQL
7 2 (2.13%) Python
8 1 (1.06%) ES6
8 1 (1.06%) Groovy
8 1 (1.06%) Perl
Qualifications
1 19 (20.21%) Degree
2 7 (7.45%) Computer Science Degree
3 2 (2.13%) ISTQB
3 2 (2.13%) ISTQB Foundation Certification
3 2 (2.13%) SC Cleared
3 2 (2.13%) Security Cleared
4 1 (1.06%) Numerate Degree
Quality Assurance & Compliance
1 28 (29.79%) QA
Systems Management
1 4 (4.26%) Capistrano
1 4 (4.26%) Opscode Chef
2 3 (3.19%) Ansible
Vendors
1 20 (21.28%) Google
2 10 (10.64%) Microsoft
3 6 (6.38%) Virgin Media
4 5 (5.32%) Demandware
5 3 (3.19%) Xamarin
6 2 (2.13%) Oracle
7 1 (1.06%) ATG
7 1 (1.06%) hybris
7 1 (1.06%) IBM