Period
to 15 August 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 15 August 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Hertfordshire > Watford
6 months to
15 Aug 2018
Same period 2017 Same period 2016
Rank 36 13 60
Rank change year-on-year -23 +47 +4
Permanent jobs citing TDD 58 135 30
As % of all permanent IT jobs advertised in Watford 6.62% 12.65% 3.09%
As % of the Processes & Methodologies category 7.62% 13.73% 3.57%
Number of salaries quoted 58 118 30
Watford median annual salary £50,000 £47,500 £50,000
Median salary % change year-on-year +5.26% -5.00% +11.11%
10th Percentile £36,100 £33,750 £41,750
90th Percentile £65,000 £72,625 £72,500
Hertfordshire median annual salary £50,000 £47,500 £55,000
% change year-on-year +5.26% -13.64% +15.79%

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 761 983 841
As % of all permanent IT jobs advertised in Watford 86.87% 92.13% 86.52%
Number of salaries quoted 653 795 708
Watford median annual salary £50,000 £50,000 £50,000
10th Percentile £27,500 £31,250 £28,175
90th Percentile £75,000 £73,750 £72,500
Hertfordshire median annual salary £50,000 £47,000 £47,500
% change year-on-year +6.38% -1.05% +5.56%

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 15 August 2018.

Salary histogram for TDD in Watford

For the 6 months to 15 August 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 54 (93.10%) Agile Software Development
2 43 (74.14%) BDD
3 28 (48.28%) SQL
4 24 (41.38%) SQL Server
4 24 (41.38%) XML
4 24 (41.38%) Test Automation
5 23 (39.66%) Java
6 22 (37.93%) JavaScript
7 21 (36.21%) C#
7 21 (36.21%) PL/SQL
7 21 (36.21%) Oracle
8 19 (32.76%) Scrum
8 19 (32.76%) RESTful
9 18 (31.03%) Problem-Solving
10 16 (27.59%) Analytical Skills
10 16 (27.59%) Git (software)
11 15 (25.86%) SC Cleared
11 15 (25.86%) Security Cleared
11 15 (25.86%) Scaled Agile Framework
11 15 (25.86%) Migration
11 15 (25.86%) Spring
11 15 (25.86%) QA
11 15 (25.86%) Data Migration
12 14 (24.14%) Finance
13 13 (22.41%) Retail
13 13 (22.41%) Reference Data
13 13 (22.41%) Data Mapping
13 13 (22.41%) User Experience
13 13 (22.41%) Data Quality
14 12 (20.69%) MVC

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 8 (13.79%) Oracle Service Bus
2 7 (12.07%) Oracle SOA Suite
3 6 (10.34%) SharePoint Server
3 6 (10.34%) Tomcat
4 2 (3.45%) JBoss
4 2 (3.45%) WebSphere
5 1 (1.72%) Confluence
5 1 (1.72%) WebLogic
Cloud Services
1 1 (1.72%) Amazon AWS
1 1 (1.72%) Boomi
1 1 (1.72%) Google Cloud Platform
1 1 (1.72%) Microsoft Azure
Communications & Networking
1 7 (12.07%) SSL
2 1 (1.72%) VPN
Database & Business Intelligence
1 24 (41.38%) SQL Server
2 8 (13.79%) NoSQL
2 8 (13.79%) SQL Server 2016
3 7 (12.07%) Oracle Database
3 7 (12.07%) Oracle Database 12c
3 7 (12.07%) SQL Server Reporting Services
4 6 (10.34%) PostgreSQL
5 5 (8.62%) RDBMS
5 5 (8.62%) Relational Database
6 2 (3.45%) SQL Server 2012
6 2 (3.45%) SQL Server 2014
7 1 (1.72%) MySQL
Development Applications
1 16 (27.59%) Git (software)
2 11 (18.97%) JIRA
3 7 (12.07%) Cucumber
3 7 (12.07%) Selenium
4 6 (10.34%) Maven
5 4 (6.90%) JUnit
6 3 (5.17%) JBehave
6 3 (5.17%) SoapUI
6 3 (5.17%) WebDriver
7 2 (3.45%) Jenkins
7 2 (3.45%) PostCSS
7 2 (3.45%) webpack
7 2 (3.45%) Zephyr
8 1 (1.72%) Capybara
8 1 (1.72%) Mockito
8 1 (1.72%) PhantomJS
8 1 (1.72%) Sonatype Nexus
General
1 14 (24.14%) Finance
2 13 (22.41%) Retail
3 2 (3.45%) Games
4 1 (1.72%) Automotive
4 1 (1.72%) Law
4 1 (1.72%) Marketing
Job Titles
1 47 (81.03%) Developer
2 13 (22.41%) Data Migration Developer
3 9 (15.52%) Analyst
3 9 (15.52%) UI Developer
4 8 (13.79%) Software Developer
5 7 (12.07%) .NET Developer
5 7 (12.07%) SQL Developer
5 7 (12.07%) SQL Server Developer
5 7 (12.07%) Test Analyst
6 6 (10.34%) Automation Test Analyst
6 6 (10.34%) ETL Developer
6 6 (10.34%) Oracle Developer
6 6 (10.34%) Oracle ETL Developer
6 6 (10.34%) PostgreSQL Developer
7 5 (8.62%) Java Developer
7 5 (8.62%) Senior Developer
8 4 (6.90%) QA Analyst
8 4 (6.90%) QA Test Analyst
8 4 (6.90%) QA Tester
8 4 (6.90%) Tester
Libraries, Frameworks & Software Standards
1 24 (41.38%) XML
2 19 (32.76%) RESTful
3 15 (25.86%) Spring
4 12 (20.69%) CSS
5 11 (18.97%) J2EE
5 11 (18.97%) Sass
5 11 (18.97%) Web Services
6 10 (17.24%) HTML
6 10 (17.24%) SOAP
7 9 (15.52%) Hibernate
7 9 (15.52%) JSP
8 8 (13.79%) .NET
8 8 (13.79%) ASP.NET
9 7 (12.07%) .NET Framework
9 7 (12.07%) ASP.NET MVC
9 7 (12.07%) Entity Framework
9 7 (12.07%) HTML5
9 7 (12.07%) Node.js
9 7 (12.07%) WSDL
9 7 (12.07%) XSD
Miscellaneous
1 16 (27.59%) Analytical Skills
2 13 (22.41%) Reference Data
2 13 (22.41%) User Experience
3 3 (5.17%) Greenfield Project
4 2 (3.45%) Fintech
5 1 (1.72%) Mainframe
5 1 (1.72%) Self-Motivation
Operating Systems
1 9 (15.52%) Unix
2 6 (10.34%) Linux
3 3 (5.17%) Windows
3 3 (5.17%) Windows Server
4 2 (3.45%) Android
Processes & Methodologies
1 54 (93.10%) Agile Software Development
2 43 (74.14%) BDD
3 24 (41.38%) Test Automation
4 19 (32.76%) Scrum
5 18 (31.03%) Problem-Solving
6 15 (25.86%) Data Migration
6 15 (25.86%) Migration
6 15 (25.86%) Scaled Agile Framework
7 13 (22.41%) Data Mapping
8 12 (20.69%) MVC
9 11 (18.97%) SEO
9 11 (18.97%) User Stories
9 11 (18.97%) Web Application Development
10 10 (17.24%) Continuous Integration
11 9 (15.52%) Pair Programming
11 9 (15.52%) Wireframes
12 7 (12.07%) Database Tuning
12 7 (12.07%) Kanban
12 7 (12.07%) Proactive Monitoring
12 7 (12.07%) SDLC
Programming Languages
1 28 (48.28%) SQL
2 23 (39.66%) Java
3 22 (37.93%) JavaScript
4 21 (36.21%) C#
4 21 (36.21%) PL/SQL
5 11 (18.97%) ES6
6 8 (13.79%) Ruby
7 7 (12.07%) T-SQL
8 5 (8.62%) Shell Script
9 3 (5.17%) Java 8
10 2 (3.45%) ANSI SQL
10 2 (3.45%) Kotlin
11 1 (1.72%) Groovy
11 1 (1.72%) PHP
11 1 (1.72%) VB.NET
11 1 (1.72%) VBA
Qualifications
1 15 (25.86%) SC Cleared
1 15 (25.86%) Security Cleared
2 2 (3.45%) ISTQB
2 2 (3.45%) ISTQB Foundation Certification
3 1 (1.72%) Degree
Quality Assurance & Compliance
1 15 (25.86%) QA
2 13 (22.41%) Data Quality
3 1 (1.72%) GCP
System Software
1 1 (1.72%) Docker
Systems Management
1 1 (1.72%) Business Desktop Deployment
1 1 (1.72%) Kubernetes
1 1 (1.72%) MOM
1 1 (1.72%) Puppet
1 1 (1.72%) Terraform
Vendors
1 21 (36.21%) Oracle
2 2 (3.45%) IBM
2 2 (3.45%) Microsoft
2 2 (3.45%) Sybase
3 1 (1.72%) Citrix
3 1 (1.72%) Dell
3 1 (1.72%) Google
3 1 (1.72%) MuleSoft
3 1 (1.72%) Talend
3 1 (1.72%) TIBCO
3 1 (1.72%) webMethods
3 1 (1.72%) WSO2