Period
to 27 May 2018

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 27 May 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Hertfordshire > Watford
6 months to
27 May 2018
Same period 2017 Same period 2016
Rank 39 12 77
Rank change year-on-year -27 +65 -37
Permanent jobs citing TDD 59 124 16
As % of all permanent IT jobs advertised in Watford 6.28% 11.56% 1.47%
As % of the Processes & Methodologies category 7.26% 12.63% 1.77%
Number of salaries quoted 57 116 16
Watford median annual salary £50,000 £45,000 £45,000
Median salary % change year-on-year +11.11% - +5.88%
10th Percentile £35,750 £32,500 £28,750
90th Percentile £62,500 £71,250 £65,000
Hertfordshire median annual salary £50,000 £45,000 £52,500
% change year-on-year +11.11% -14.29% +5.00%

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 813 982 904
As % of all permanent IT jobs advertised in Watford 86.58% 91.52% 83.01%
Number of salaries quoted 716 802 772
Watford median annual salary £50,000 £50,000 £47,500
Median salary % change year-on-year - +5.26% -
10th Percentile £29,231 £29,775 £29,100
90th Percentile £67,500 £75,000 £70,000
Hertfordshire median annual salary £52,500 £47,500 £46,500
% change year-on-year +10.53% +2.15% +3.33%

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 27 May 2018.

Salary histogram for TDD in Watford

For the 6 months to 27 May 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 Watford region with a requirement for TDD.

1 58 (98.31%) Agile Software Development
2 38 (64.41%) Java
2 38 (64.41%) BDD
3 37 (62.71%) Scrum
4 32 (54.24%) QA
5 29 (49.15%) Test Automation
6 27 (45.76%) SQL
7 25 (42.37%) XML
7 25 (42.37%) Spring
8 24 (40.68%) RESTful
9 23 (38.98%) JIRA
10 21 (35.59%) JavaScript
11 20 (33.90%) J2EE
11 20 (33.90%) Web Services
12 19 (32.20%) SOAP
13 18 (30.51%) JSP
13 18 (30.51%) Maven
13 18 (30.51%) Finance
14 17 (28.81%) Selenium
14 17 (28.81%) PL/SQL
14 17 (28.81%) Problem-Solving
15 16 (27.12%) Unix
16 15 (25.42%) Oracle
16 15 (25.42%) HTML
16 15 (25.42%) Pair Programming
17 14 (23.73%) Continuous Integration
17 14 (23.73%) XSD
17 14 (23.73%) Analytical Skills
18 13 (22.03%) Cucumber
18 13 (22.03%) SQL Server

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 12 (20.34%) Oracle Service Bus
2 11 (18.64%) Oracle SOA Suite
3 10 (16.95%) SharePoint Server
4 8 (13.56%) Tomcat
5 3 (5.08%) WebLogic
6 2 (3.39%) Confluence
Cloud Services
1 2 (3.39%) Amazon AWS
2 1 (1.69%) Boomi
2 1 (1.69%) GitHub
2 1 (1.69%) Google Cloud Platform
2 1 (1.69%) Microsoft Azure
Communications & Networking
1 11 (18.64%) SSL
2 2 (3.39%) VPN
Database & Business Intelligence
1 13 (22.03%) SQL Server
2 11 (18.64%) Oracle Database
2 11 (18.64%) Oracle Database 12c
3 7 (11.86%) SQL Server 2016
4 5 (8.47%) NoSQL
4 5 (8.47%) RDBMS
4 5 (8.47%) Relational Database
5 3 (5.08%) SQL Server Reporting Services
6 1 (1.69%) Amazon DynamoDB
6 1 (1.69%) MySQL
Development Applications
1 23 (38.98%) JIRA
2 18 (30.51%) Maven
3 17 (28.81%) Selenium
4 13 (22.03%) Cucumber
5 12 (20.34%) Git (software)
6 11 (18.64%) JUnit
7 10 (16.95%) WebDriver
8 6 (10.17%) JBehave
8 6 (10.17%) Zephyr
9 5 (8.47%) SoapUI
10 4 (6.78%) Jenkins
11 3 (5.08%) Sonatype Nexus
12 1 (1.69%) Capybara
12 1 (1.69%) Mocha
12 1 (1.69%) Mockito
12 1 (1.69%) PhantomJS
12 1 (1.69%) PostCSS
12 1 (1.69%) webpack
General
1 18 (30.51%) Finance
2 3 (5.08%) Retail
3 2 (3.39%) Automotive
3 2 (3.39%) Marketing
4 1 (1.69%) Law
Job Titles
1 33 (55.93%) Developer
2 15 (25.42%) Analyst
3 14 (23.73%) Test Analyst
4 13 (22.03%) Software Developer
5 11 (18.64%) Automation Test Analyst
6 10 (16.95%) QA Tester
6 10 (16.95%) Tester
7 9 (15.25%) Java Developer
7 9 (15.25%) QA Analyst
7 9 (15.25%) QA Test Analyst
8 6 (10.17%) Agile Test Analyst
8 6 (10.17%) Agile Tester
8 6 (10.17%) Automation Tester
8 6 (10.17%) Java Automation Tester
8 6 (10.17%) QA Automation Analyst
8 6 (10.17%) QA Automation Tester
8 6 (10.17%) Selenium Automation Tester
8 6 (10.17%) Selenium Test Analyst
8 6 (10.17%) Selenium Tester
9 5 (8.47%) QA Automation Engineer
Libraries, Frameworks & Software Standards
1 25 (42.37%) Spring
1 25 (42.37%) XML
2 24 (40.68%) RESTful
3 20 (33.90%) J2EE
3 20 (33.90%) Web Services
4 19 (32.20%) SOAP
5 18 (30.51%) JSP
6 15 (25.42%) HTML
7 14 (23.73%) XSD
8 12 (20.34%) HTML5
9 11 (18.64%) Hibernate
9 11 (18.64%) WSDL
10 7 (11.86%) .NET
10 7 (11.86%) ASP.NET
10 7 (11.86%) REST
11 6 (10.17%) Gherkin
12 5 (8.47%) ASP.NET MVC
12 5 (8.47%) CSS
12 5 (8.47%) JDBC
12 5 (8.47%) Node.js
Miscellaneous
1 14 (23.73%) Analytical Skills
2 6 (10.17%) Greenfield Project
3 3 (5.08%) Reference Data
3 3 (5.08%) User Experience
4 1 (1.69%) Algorithms
4 1 (1.69%) Data Structures
4 1 (1.69%) Mainframe
4 1 (1.69%) Mobile App
4 1 (1.69%) Self-Motivation
Operating Systems
1 16 (27.12%) Unix
2 10 (16.95%) Linux
3 3 (5.08%) HPUX
3 3 (5.08%) Solaris
3 3 (5.08%) Windows
4 2 (3.39%) Windows Server
5 1 (1.69%) Android
5 1 (1.69%) Apple iOS
Processes & Methodologies
1 58 (98.31%) Agile Software Development
2 38 (64.41%) BDD
3 37 (62.71%) Scrum
4 29 (49.15%) Test Automation
5 17 (28.81%) Problem-Solving
6 15 (25.42%) Pair Programming
7 14 (23.73%) Continuous Integration
8 12 (20.34%) Kanban
9 11 (18.64%) Continuous Delivery
9 11 (18.64%) Line Management
9 11 (18.64%) Proactive Monitoring
9 11 (18.64%) SDLC
9 11 (18.64%) SOA
10 9 (15.25%) Data Migration
10 9 (15.25%) Mentoring
10 9 (15.25%) Migration
10 9 (15.25%) Scaled Agile Framework
11 8 (13.56%) Test Scripting
12 7 (11.86%) MVC
12 7 (11.86%) Software Engineering
Programming Languages
1 38 (64.41%) Java
2 27 (45.76%) SQL
3 21 (35.59%) JavaScript
4 17 (28.81%) PL/SQL
5 10 (16.95%) C#
6 6 (10.17%) Groovy
6 6 (10.17%) Python
6 6 (10.17%) Ruby
7 5 (8.47%) Java 8
7 5 (8.47%) Shell Script
8 4 (6.78%) T-SQL
9 2 (3.39%) ES6
9 2 (3.39%) PHP
9 2 (3.39%) VB.NET
9 2 (3.39%) VBA
Qualifications
1 9 (15.25%) SC Cleared
1 9 (15.25%) Security Cleared
2 6 (10.17%) ISTQB
2 6 (10.17%) ISTQB Foundation Certification
3 3 (5.08%) Degree
Quality Assurance & Compliance
1 32 (54.24%) QA
2 3 (5.08%) Data Quality
3 1 (1.69%) GCP
System Software
1 1 (1.69%) Docker
Systems Management
1 3 (5.08%) Business Desktop Deployment
1 3 (5.08%) MOM
2 1 (1.69%) Kubernetes
2 1 (1.69%) Puppet
2 1 (1.69%) Terraform
Vendors
1 15 (25.42%) Oracle
2 4 (6.78%) IBM
3 2 (3.39%) Citrix
4 1 (1.69%) Dell
4 1 (1.69%) Google
4 1 (1.69%) Microsoft
4 1 (1.69%) MuleSoft
4 1 (1.69%) Talend
4 1 (1.69%) TIBCO
4 1 (1.69%) webMethods
4 1 (1.69%) WSO2
4 1 (1.69%) Xamarin