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

Test-Driven Development (TDD)
Hertfordshire > Watford
6 months to
17 Feb 2018
Same period 2017 Same period 2016
Rank 28 25 78
Rank change year-on-year -3 +53 -3
Permanent jobs citing TDD 79 83 12
As % of all permanent IT jobs advertised in Watford 8.09% 7.66% 1.13%
As % of the Processes & Methodologies category 9.45% 8.43% 1.38%
Number of salaries quoted 77 73 11
Watford median annual salary £45,000 £42,500 £45,000
Median salary % change year-on-year +5.88% -5.56% +5.88%
10th Percentile £33,750 £31,250 £28,750
90th Percentile £62,500 £66,250 £58,750
Hertfordshire median annual salary £48,750 £45,000 £55,000
% change year-on-year +8.33% -18.18% +10.00%

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 836 984 872
As % of all permanent IT jobs advertised in Watford 85.66% 90.77% 82.42%
Number of salaries quoted 752 815 743
Watford median annual salary £50,000 £54,000 £46,500
Median salary % change year-on-year -7.41% +16.13% +2.76%
10th Percentile £30,000 £28,000 £27,800
90th Percentile £67,500 £75,000 £70,000
Hertfordshire median annual salary £50,000 £50,000 £46,500
% change year-on-year - +7.53% -2.11%

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 17 February 2018.

Salary histogram for TDD in Watford

For the 6 months to 17 February 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 75 (94.94%) Agile Software Development
2 48 (60.76%) BDD
3 36 (45.57%) Java
4 35 (44.30%) Scrum
5 32 (40.51%) QA
5 32 (40.51%) Test Automation
6 30 (37.97%) SQL Server
7 27 (34.18%) SQL
8 25 (31.65%) JavaScript
9 24 (30.38%) C#
9 24 (30.38%) XML
10 23 (29.11%) RESTful
11 22 (27.85%) .NET
12 20 (25.32%) ASP.NET
12 20 (25.32%) MVC
12 20 (25.32%) JIRA
13 19 (24.05%) Selenium
13 19 (24.05%) SQL Server 2016
14 18 (22.78%) ASP.NET MVC
14 18 (22.78%) KnockoutJS
14 18 (22.78%) Web Application Development
15 17 (21.52%) Web Services
15 17 (21.52%) ASP.NET MVC 5
16 16 (20.25%) Spring
17 15 (18.99%) Maven
18 14 (17.72%) JUnit
18 14 (17.72%) J2EE
19 13 (16.46%) HTML
19 13 (16.46%) SOAP
19 13 (16.46%) Software Engineering

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 (10.13%) Oracle SOA Suite
2 7 (8.86%) Oracle Service Bus
3 4 (5.06%) SharePoint Server
3 4 (5.06%) Tomcat
4 3 (3.80%) WebLogic
5 2 (2.53%) Confluence
6 1 (1.27%) CMS
6 1 (1.27%) Elasticsearch
6 1 (1.27%) WebLogic Portal
6 1 (1.27%) WebSphere
Cloud Services
1 8 (10.13%) Google Play
2 3 (3.80%) Amazon AWS
2 3 (3.80%) GitHub
3 1 (1.27%) Amazon ElastiCache
3 1 (1.27%) Amazon S3
3 1 (1.27%) Amazon SQS
3 1 (1.27%) AWS CloudFormation
3 1 (1.27%) AWS Elastic Beanstalk
3 1 (1.27%) AWS Lambda
3 1 (1.27%) CloudFront
3 1 (1.27%) Heroku
3 1 (1.27%) Route 53
3 1 (1.27%) Serverless
Communications & Networking
1 7 (8.86%) SSL
2 3 (3.80%) Internet
3 1 (1.27%) HTTP
3 1 (1.27%) VPN
Database & Business Intelligence
1 30 (37.97%) SQL Server
2 19 (24.05%) SQL Server 2016
3 7 (8.86%) Oracle Database
3 7 (8.86%) Oracle Database 12c
4 4 (5.06%) PostgreSQL
5 3 (3.80%) Amazon DynamoDB
5 3 (3.80%) SQL Server Reporting Services
6 2 (2.53%) RDBMS
6 2 (2.53%) Redis
6 2 (2.53%) Relational Database
7 1 (1.27%) Amazon RDS
7 1 (1.27%) SQL Server Integration Services
Development Applications
1 20 (25.32%) JIRA
2 19 (24.05%) Selenium
3 15 (18.99%) Maven
4 14 (17.72%) JUnit
5 13 (16.46%) Cucumber
5 13 (16.46%) WebDriver
6 10 (12.66%) Zephyr
7 6 (7.59%) JBehave
8 5 (6.33%) Jenkins
9 4 (5.06%) Git (software)
10 3 (3.80%) Mocha
11 2 (2.53%) SoapUI
11 2 (2.53%) Sonatype Nexus
11 2 (2.53%) TeamCity
12 1 (1.27%) Eclipse
12 1 (1.27%) Team Foundation Server
12 1 (1.27%) WATIR
12 1 (1.27%) webpack
General
1 11 (13.92%) Finance
2 8 (10.13%) Games
3 6 (7.59%) Automotive
4 1 (1.27%) Banking
4 1 (1.27%) Marketing
4 1 (1.27%) Retail
Job Titles
1 47 (59.49%) Developer
2 18 (22.78%) .NET Developer
3 11 (13.92%) Analyst
3 11 (13.92%) Java Developer
3 11 (13.92%) Software Developer
3 11 (13.92%) Tester
4 10 (12.66%) Java Engineer
4 10 (12.66%) QA Tester
4 10 (12.66%) Test Analyst
5 9 (11.39%) Digital Developer
6 8 (10.13%) QA Analyst
6 8 (10.13%) QA Test Analyst
6 8 (10.13%) Test Automation Engineer
6 8 (10.13%) Test Engineer
7 6 (7.59%) QA Automation Engineer
7 6 (7.59%) QA Engineer
8 5 (6.33%) Data Migration Manager
8 5 (6.33%) Data Migration Tester
8 5 (6.33%) Migration Analyst
8 5 (6.33%) Migration Manager
Libraries, Frameworks & Software Standards
1 24 (30.38%) XML
2 23 (29.11%) RESTful
3 22 (27.85%) .NET
4 20 (25.32%) ASP.NET
5 18 (22.78%) ASP.NET MVC
5 18 (22.78%) KnockoutJS
6 17 (21.52%) ASP.NET MVC 5
6 17 (21.52%) Web Services
7 16 (20.25%) Spring
8 14 (17.72%) J2EE
9 13 (16.46%) HTML
9 13 (16.46%) SOAP
10 12 (15.19%) AngularJS
10 12 (15.19%) JSP
11 11 (13.92%) Node.js
12 10 (12.66%) ASP.NET Web API
12 10 (12.66%) REST
12 10 (12.66%) WCF
12 10 (12.66%) XSD
13 9 (11.39%) Twitter Bootstrap
Miscellaneous
1 12 (15.19%) Greenfield Project
2 9 (11.39%) Analytical Skills
2 9 (11.39%) Mobile App
2 9 (11.39%) Tandem
3 8 (10.13%) iPhone
4 3 (3.80%) Computer Science
4 3 (3.80%) RIA
4 3 (3.80%) User Experience
5 2 (2.53%) Enterprise Software
5 2 (2.53%) Reference Data
6 1 (1.27%) Algorithms
6 1 (1.27%) Data Structures
6 1 (1.27%) Fintech
Operating Systems
1 9 (11.39%) Android
1 9 (11.39%) Unix
2 7 (8.86%) Linux
3 3 (3.80%) HPUX
3 3 (3.80%) Solaris
3 3 (3.80%) Windows
4 2 (2.53%) Windows Server
5 1 (1.27%) Apple iOS
Processes & Methodologies
1 75 (94.94%) Agile Software Development
2 48 (60.76%) BDD
3 35 (44.30%) Scrum
4 32 (40.51%) Test Automation
5 20 (25.32%) MVC
6 18 (22.78%) Web Application Development
7 13 (16.46%) QA Automation
7 13 (16.46%) Software Engineering
8 12 (15.19%) Data Migration
8 12 (15.19%) Migration
8 12 (15.19%) Scaled Agile Framework
8 12 (15.19%) SDET
9 11 (13.92%) Pair Programming
10 10 (12.66%) Continuous Integration
10 10 (12.66%) Data Modelling
10 10 (12.66%) Mentoring
11 8 (10.13%) Dependency Injection
11 8 (10.13%) Domain-Driven Design
11 8 (10.13%) SOA
11 8 (10.13%) Test Scripting
Programming Languages
1 36 (45.57%) Java
2 27 (34.18%) SQL
3 25 (31.65%) JavaScript
4 24 (30.38%) C#
5 12 (15.19%) PL/SQL
6 10 (12.66%) Python
7 8 (10.13%) Groovy
8 7 (8.86%) Ruby
9 3 (3.80%) T-SQL
10 2 (2.53%) ES6
10 2 (2.53%) PHP
10 2 (2.53%) PowerShell
10 2 (2.53%) Shell Script
11 1 (1.27%) GraphQL
11 1 (1.27%) VB.NET
11 1 (1.27%) VBA
Qualifications
1 12 (15.19%) SC Cleared
1 12 (15.19%) Security Cleared
2 10 (12.66%) ISTQB
2 10 (12.66%) ISTQB Foundation Certification
3 7 (8.86%) Degree
4 2 (2.53%) Computer Science Degree
5 1 (1.27%) Numerate Degree
Quality Assurance & Compliance
1 32 (40.51%) QA
2 2 (2.53%) Data Quality
Systems Management
1 3 (3.80%) Ansible
2 2 (2.53%) Business Desktop Deployment
2 2 (2.53%) MOM
Vendors
1 10 (12.66%) Microsoft
1 10 (12.66%) Oracle
2 8 (10.13%) Google
3 3 (3.80%) IBM
4 1 (1.27%) Citrix
4 1 (1.27%) Demandware
4 1 (1.27%) Xamarin