Period
to 16 November 2018

The following table provides summary statistics for permanent job vacancies advertised in Hemel Hempstead 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 16 November 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Hertfordshire > Hemel Hempstead
6 months to
16 Nov 2018
Same period 2017 Same period 2016
Rank 19 14 67
Rank change year-on-year -5 +53 -42
Permanent jobs citing TDD 33 51 3
As % of all permanent IT jobs advertised in Hemel Hempstead 10.71% 12.03% 0.60%
As % of the Processes & Methodologies category 12.89% 14.96% 0.68%
Number of salaries quoted 32 41 3
Hemel Hempstead median annual salary £45,000 £52,500 £37,500
Median salary % change year-on-year -14.29% +40.00% -16.67%
10th Percentile £40,000 £28,750 £36,250
90th Percentile £55,000 £58,750 £49,750
Hertfordshire median annual salary £52,500 £47,500 £50,000
% change year-on-year +10.53% -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 Hemel Hempstead with a requirement for process or methodology skills.

All Process and Methodology Skills
Hemel Hempstead
Permanent vacancies with a requirement for process or methodology skills 256 341 442
As % of all permanent IT jobs advertised in Hemel Hempstead 83.12% 80.42% 89.11%
Number of salaries quoted 214 314 404
Hemel Hempstead median annual salary £45,000 £45,000 £45,000
10th Percentile £24,300 £22,000 £29,000
90th Percentile £59,625 £67,500 £67,500
Hertfordshire median annual salary £50,000 £47,500 £48,500
% change year-on-year +5.26% -2.06% +5.43%

TDD
Job Vacancy Trend in Hemel Hempstead

Job postings citing TDD as a percentage of all IT jobs advertised in Hemel Hempstead.

Job vacancy trend for TDD in Hemel Hempstead

TDD
Salary Trend in Hemel Hempstead

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

Salary trend for TDD in Hemel Hempstead

TDD
Salary Histogram in Hemel Hempstead

The salary distribution of IT jobs citing TDD in Hemel Hempstead over the 6 months to 16 November 2018.

Salary histogram for TDD in Hemel Hempstead

For the 6 months to 16 November 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 Hemel Hempstead region with a requirement for TDD.

1 32 (96.97%) C#
1 32 (96.97%) .NET
2 31 (93.94%) Agile Software Development
3 29 (87.88%) Visual Studio
4 28 (84.85%) MVC
5 27 (81.82%) Scrum
5 27 (81.82%) Web Services
5 27 (81.82%) JavaScript
5 27 (81.82%) WCF
5 27 (81.82%) .NET Framework
6 26 (78.79%) ASP.NET MVC
6 26 (78.79%) HTML
6 26 (78.79%) ASP.NET
6 26 (78.79%) CSS
7 24 (72.73%) NUnit
7 24 (72.73%) StyleCop
7 24 (72.73%) Entity Framework
7 24 (72.73%) jQuery
7 24 (72.73%) LINQ
8 6 (18.18%) ASP.NET Web API
9 5 (15.15%) Unit Testing
9 5 (15.15%) BDD
9 5 (15.15%) SQL Server
10 4 (12.12%) Microsoft
10 4 (12.12%) AngularJS
11 3 (9.09%) .NET Core
11 3 (9.09%) API Development
11 3 (9.09%) Self-Motivation
11 3 (9.09%) Finance
11 3 (9.09%) SOAP

TDD
Co-occurring IT Skills in Hemel Hempstead 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 1 (3.03%) Microsoft Azure
Communications & Networking
1 1 (3.03%) Internet
1 1 (3.03%) Wi-Fi
Database & Business Intelligence
1 5 (15.15%) SQL Server
2 2 (6.06%) SQL Server 2016
3 1 (3.03%) Big Data
3 1 (3.03%) Redis
Development Applications
1 29 (87.88%) Visual Studio
2 24 (72.73%) NUnit
2 24 (72.73%) StyleCop
3 3 (9.09%) Team Foundation Server
4 2 (6.06%) MSTest
4 2 (6.06%) SpecFlow
5 1 (3.03%) Git (software)
5 1 (3.03%) JIRA
5 1 (3.03%) Selenium
5 1 (3.03%) Visual Studio Team System
5 1 (3.03%) WebDriver
General
1 3 (9.09%) Finance
Job Titles
1 33 (100.00%) Developer
2 32 (96.97%) .NET Developer
3 27 (81.82%) C# .NET Developer
3 27 (81.82%) C# Developer
4 24 (72.73%) ASP.NET Developer
4 24 (72.73%) C# ASP.NET Developer
5 3 (9.09%) .NET Software Developer
5 3 (9.09%) .NET Web Developer
5 3 (9.09%) C# Software Developer
5 3 (9.09%) C# Web Developer
5 3 (9.09%) Software Developer
5 3 (9.09%) Web Developer
6 1 (3.03%) Full Stack Developer
6 1 (3.03%) Test Automation Developer
Libraries, Frameworks & Software Standards
1 32 (96.97%) .NET
2 27 (81.82%) .NET Framework
2 27 (81.82%) WCF
2 27 (81.82%) Web Services
3 26 (78.79%) ASP.NET
3 26 (78.79%) ASP.NET MVC
3 26 (78.79%) CSS
3 26 (78.79%) HTML
4 24 (72.73%) Entity Framework
4 24 (72.73%) jQuery
4 24 (72.73%) LINQ
5 6 (18.18%) ASP.NET Web API
6 4 (12.12%) AngularJS
7 3 (9.09%) .NET Core
7 3 (9.09%) SOAP
8 2 (6.06%) ASP.NET MVC 5
8 2 (6.06%) KnockoutJS
8 2 (6.06%) RESTful
8 2 (6.06%) Twitter Bootstrap
9 1 (3.03%) REST
Miscellaneous
1 3 (9.09%) Self-Motivation
2 1 (3.03%) Internet of Things
Operating Systems
1 1 (3.03%) Android
1 1 (3.03%) Apple iOS
1 1 (3.03%) Linux
Processes & Methodologies
1 31 (93.94%) Agile Software Development
2 28 (84.85%) MVC
3 27 (81.82%) Scrum
4 5 (15.15%) BDD
4 5 (15.15%) Unit Testing
5 3 (9.09%) API Development
5 3 (9.09%) Continuous Integration
5 3 (9.09%) Inversion of Control
5 3 (9.09%) OO
5 3 (9.09%) OOA/OOD
6 2 (6.06%) CQRS
6 2 (6.06%) Domain-Driven Design
6 2 (6.06%) Enterprise Architecture
6 2 (6.06%) SOLID
6 2 (6.06%) Web Application Development
7 1 (3.03%) Artificial Intelligence
7 1 (3.03%) Digital Transformation Programme
7 1 (3.03%) Test Automation
Programming Languages
1 32 (96.97%) C#
2 27 (81.82%) JavaScript
3 2 (6.06%) TypeScript
4 1 (3.03%) Java
4 1 (3.03%) PHP
4 1 (3.03%) SQL
4 1 (3.03%) T-SQL
Vendors
1 4 (12.12%) Microsoft
2 1 (3.03%) Atlassian