The following table provides summary statistics for permanent job vacancies advertised in Letchworth 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 / Letchworth
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 15 13 5
Rank change year-on-year -2 -8  
Permanent jobs citing TDD 14 5 9
As % of all permanent IT jobs advertised in Letchworth 16.67% 11.36% 23.08%
As % of the Processes & Methodologies category 16.67% 13.89% 24.32%
Number of salaries quoted 12 5 9
Median salary £37,500 £33,500 £31,000
Median salary % change year-on-year +11.94% +8.06%  
90% offered a salary of more than £30,300 £33,500 £29,500
10% offered a salary of more than £40,000 £33,500 £32,200
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 Letchworth with a requirement for process and methodology skills.

Process & Methodology Skills
Letchworth
Permanent job vacancies with a requirement for process and methodology skills 84 36 37
As % of all permanent IT job vacancies advertised in Letchworth 100.00% 81.82% 94.87%
Number of salaries quoted 71 32 36
Median salary £40,000 £33,500 £31,000
Median salary % change year-on-year +19.40% +8.06%  
90% offered a salary of more than £32,500 £30,500 £29,500
10% offered a salary of more than £55,000 £47,000 £42,500
UK excluding London median salary £45,000 £45,000 £44,000
% change year-on-year - +2.27%  

TDD
Job Vacancy Trend in Letchworth

The job posting trend of jobs advertised in Letchworth 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 Letchworth

TDD
Salary Trend in Letchworth

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

Salary trend for TDD in Letchworth

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 Letchworth region with a requirement for TDD.

1 39 (100.00%) C#
1 39 (100.00%) SQL
1 39 (100.00%) .NET
1 39 (100.00%) SQL Server
1 39 (100.00%) ASP.NET
1 39 (100.00%) MVC
1 39 (100.00%) Scrum
1 39 (100.00%) Agile Software Development
1 39 (100.00%) Unit Testing
1 39 (100.00%) Team Foundation Server
1 39 (100.00%) ASP.NET MVC
1 39 (100.00%) AngularJS
2 32 (82.05%) NUnit
2 32 (82.05%) Continuous Integration
2 32 (82.05%) MSTest
3 31 (79.49%) ASP.NET Web API
4 30 (76.92%) JavaScript
5 15 (38.46%) ATDD
6 7 (17.95%) Protractor
6 7 (17.95%) Entity Framework
6 7 (17.95%) SQL Server 2012
6 7 (17.95%) .NET Framework
6 7 (17.95%) Legal
6 7 (17.95%) Visual Studio
7 5 (12.82%) Finance
7 5 (12.82%) Data Mapping
7 5 (12.82%) Jasmine
8 4 (10.26%) Web Development
8 4 (10.26%) Microsoft
9 2 (5.13%) Relational Database

TDD
Co-occurring IT Skills in Letchworth 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:

Applications
1 2 (5.13%) Microsoft Excel
1 2 (5.13%) Microsoft Office
Database & Business Intelligence
1 39 (100.00%) SQL Server
2 7 (17.95%) SQL Server 2012
3 2 (5.13%) Relational Database
Development Applications
1 39 (100.00%) Team Foundation Server
2 32 (82.05%) MSTest
2 32 (82.05%) NUnit
3 7 (17.95%) Protractor
3 7 (17.95%) Visual Studio
4 5 (12.82%) Jasmine
General
1 7 (17.95%) Legal
2 5 (12.82%) Finance
Job Titles
1 39 (100.00%) Developer
2 33 (84.62%) .NET Developer
3 31 (79.49%) C# Developer
4 30 (76.92%) C# .NET Developer
5 24 (61.54%) ASP.NET MVC Developer
6 22 (56.41%) ASP.NET Developer
6 22 (56.41%) C# ASP.NET Developer
7 8 (20.51%) Agile .NET Developer
7 8 (20.51%) Agile C# Developer
7 8 (20.51%) Agile Developer
8 3 (7.69%) Senior .NET Developer
8 3 (7.69%) Senior ASP.NET Developer
8 3 (7.69%) Senior ASP.NET MVC Developer
8 3 (7.69%) Senior C# .NET Developer
8 3 (7.69%) Senior C# ASP.NET Developer
8 3 (7.69%) Senior C# Developer
8 3 (7.69%) Senior Developer
9 2 (5.13%) Angular Developer
9 2 (5.13%) SQL Developer
10 1 (2.56%) JavaScript Developer
Libraries, Frameworks & Software Standards
1 39 (100.00%) .NET
1 39 (100.00%) AngularJS
1 39 (100.00%) ASP.NET
1 39 (100.00%) ASP.NET MVC
2 31 (79.49%) ASP.NET Web API
3 7 (17.95%) .NET Framework
3 7 (17.95%) Entity Framework
Processes & Methodologies
1 39 (100.00%) Agile Software Development
1 39 (100.00%) MVC
1 39 (100.00%) Scrum
1 39 (100.00%) Unit Testing
2 32 (82.05%) Continuous Integration
3 15 (38.46%) ATDD
4 5 (12.82%) Data Mapping
5 4 (10.26%) Web Development
6 2 (5.13%) OWASP
Programming Languages
1 39 (100.00%) C#
1 39 (100.00%) SQL
2 30 (76.92%) JavaScript
3 2 (5.13%) VBA
Vendors
1 4 (10.26%) Microsoft
Letchworth Garden City, Hertfordshire
Dawson & Walsh
Salary: £30000 - £45000 per annum + Bonus + Pension + Benefits
Posted: Yesterday
Letchworth Garden City, Hertfordshire
Understanding Recruitment
Salary: £35000 - £45000 per annum + benefits + bonus
Posted: 6 days ago