The following table provides summary statistics for permanent job vacancies advertised in Hertford with a requirement for TDD skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited TDD over the 3 months to 24 June 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Hertfordshire / Hertford
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 11 16 -
Rank change year-on-year +5 -  
Permanent jobs citing TDD 8 2 0
As % of all permanent IT jobs advertised in Hertford 13.56% 4.08% -
As % of the Processes & Methodologies category 14.55% 4.76% -
Number of salaries quoted 8 2 0
Median salary £67,500 £65,000 -
Median salary % change year-on-year +3.84% -  
UK excluding London median salary £45,000 £45,000 £42,500
% change year-on-year - +5.88%  

TDD is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Hertford with a requirement for process and methodology skills.

Process & Methodology Skills
Hertford
Permanent job vacancies with a requirement for process and methodology skills 55 42 24
As % of all permanent IT job vacancies advertised in Hertford 93.22% 85.71% 88.89%
Number of salaries quoted 53 42 22
Median salary £47,500 £45,000 £67,500
Median salary % change year-on-year +5.55% -33.33%  
90% offered a salary of more than £35,000 £22,500 £45,000
10% offered a salary of more than £70,000 £71,000 £57,500
UK excluding London median salary £45,000 £45,000 £44,000
% change year-on-year - +2.27%  

TDD
Job Vacancy Trend in Hertford

The job posting trend of jobs advertised in Hertford citing TDD as a proportion of all permanent or contract IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for TDD in Hertford

TDD
Salary Trend in Hertford

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

Salary trend for TDD in Hertford

TDD
Salary Histogram in Hertford

The salary distribution of IT jobs citing TDD in Hertford over the 3 months to 24 June 2017.

Salary histogram for TDD in Hertford

For the 6 months to 24 June 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 Hertford region with a requirement for TDD.

1 10 (100.00%) Agile Software Development
1 10 (100.00%) BDD
2 7 (70.00%) Jenkins
2 7 (70.00%) Continuous Integration
2 7 (70.00%) Java
2 7 (70.00%) SOA
3 5 (50.00%) JavaScript
3 5 (50.00%) Web Services
3 5 (50.00%) Scrum
3 5 (50.00%) Amazon AWS
3 5 (50.00%) Line Management
4 3 (30.00%) C#
4 3 (30.00%) .NET
4 3 (30.00%) SQL Server
4 3 (30.00%) ASP.NET
4 3 (30.00%) MVC
4 3 (30.00%) Games
4 3 (30.00%) ASP.NET MVC
4 3 (30.00%) SaaS
4 3 (30.00%) Git (software)
4 3 (30.00%) RESTful
4 3 (30.00%) Ruby
4 3 (30.00%) .NET Framework
4 3 (30.00%) WCF
4 3 (30.00%) Twitter Bootstrap
4 3 (30.00%) ASP.NET Web API
4 3 (30.00%) NoSQL
4 3 (30.00%) Entity Framework
4 3 (30.00%) Node.js
4 3 (30.00%) KnockoutJS

TDD
Co-occurring IT Skills in Hertford 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:

Cloud Services
1 5 (50.00%) Amazon AWS
2 3 (30.00%) SaaS
Database & Business Intelligence
1 3 (30.00%) NoSQL
1 3 (30.00%) SQL Server
1 3 (30.00%) SQL Server 2016
Development Applications
1 7 (70.00%) Jenkins
2 3 (30.00%) Git (software)
General
1 3 (30.00%) Games
Job Titles
1 5 (50.00%) Developer
2 4 (40.00%) Java Team Leader
2 4 (40.00%) Team Leader
3 3 (30.00%) .NET Developer
3 3 (30.00%) Development Team Leader
3 3 (30.00%) Java Development Team Leader
4 2 (20.00%) AWS Developer
4 2 (20.00%) Java Developer
Libraries, Frameworks & Software Standards
1 5 (50.00%) Web Services
2 3 (30.00%) .NET
2 3 (30.00%) .NET Framework
2 3 (30.00%) AngularJS
2 3 (30.00%) ASP.NET
2 3 (30.00%) ASP.NET MVC
2 3 (30.00%) ASP.NET MVC 5
2 3 (30.00%) ASP.NET Web API
2 3 (30.00%) Code First Entity Framework
2 3 (30.00%) Entity Framework
2 3 (30.00%) KnockoutJS
2 3 (30.00%) Node.js
2 3 (30.00%) RESTful
2 3 (30.00%) Twitter Bootstrap
2 3 (30.00%) WCF
Processes & Methodologies
1 10 (100.00%) Agile Software Development
1 10 (100.00%) BDD
2 7 (70.00%) Continuous Integration
2 7 (70.00%) SOA
3 5 (50.00%) Line Management
3 5 (50.00%) Scrum
4 3 (30.00%) MVC
4 3 (30.00%) Web Application Development
5 2 (20.00%) Continuous Delivery
5 2 (20.00%) Continuous Deployment
5 2 (20.00%) Customer Requirements
Programming Languages
1 7 (70.00%) Java
2 5 (50.00%) JavaScript
3 3 (30.00%) C#
3 3 (30.00%) Ruby
System Software
1 2 (20.00%) Docker
Hertford, Hertfordshire
Dawson & Walsh
Salary: £40000 - £55000 per annum + Bonus + Pension + Benefits
Posted: 6 days ago
Hertford, Hertfordshire
Understanding Recruitment
Salary: £65000 - £75000 per annum + be- 25 days holiday, flex hours
Posted: 6 days ago