Period
to 21 September 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 21 September 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Hertfordshire > Hemel Hempstead
6 months to
21 Sep 2018
Same period 2017 Same period 2016
Rank 23 29 65
Rank change year-on-year +6 +36 -30
Permanent jobs citing TDD 37 35 1
As % of all permanent IT jobs advertised in Hemel Hempstead 11.28% 8.47% 0.19%
As % of the Processes & Methodologies category 14.18% 10.51% 0.21%
Number of salaries quoted 36 30 1
Hemel Hempstead median annual salary £45,000 £52,500 £50,000
Median salary % change year-on-year -14.29% +5.00% +11.11%
10th Percentile £39,750 £45,875 £47,500
90th Percentile £55,000 £58,750 £52,500
Hertfordshire median annual salary £50,000 £50,000 £50,000

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 261 333 475
As % of all permanent IT jobs advertised in Hemel Hempstead 79.57% 80.63% 88.29%
Number of salaries quoted 216 316 389
Hemel Hempstead median annual salary £45,000 £45,000 £45,000
10th Percentile £25,000 £23,000 £30,000
90th Percentile £58,750 £67,500 £65,000
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 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 21 September 2018.

Salary histogram for TDD in Hemel Hempstead

For the 6 months to 21 September 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 36 (97.30%) C#
1 36 (97.30%) .NET
2 35 (94.59%) Agile Software Development
3 33 (89.19%) Scrum
4 32 (86.49%) JavaScript
4 32 (86.49%) ASP.NET
5 31 (83.78%) CSS
5 31 (83.78%) HTML
6 30 (81.08%) Visual Studio
7 29 (78.38%) MVC
7 29 (78.38%) Web Services
7 29 (78.38%) WCF
7 29 (78.38%) .NET Framework
8 28 (75.68%) ASP.NET MVC
9 26 (70.27%) StyleCop
9 26 (70.27%) jQuery
9 26 (70.27%) LINQ
9 26 (70.27%) NUnit
9 26 (70.27%) Entity Framework
10 7 (18.92%) Finance
10 7 (18.92%) AngularJS
11 6 (16.22%) ASP.NET Web API
12 5 (13.51%) Linux
12 5 (13.51%) Java
12 5 (13.51%) SQL Server
12 5 (13.51%) PHP
12 5 (13.51%) JIRA
13 4 (10.81%) Marketing
13 4 (10.81%) Open Source
13 4 (10.81%) Unit Testing

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:

Application Platforms
1 4 (10.81%) Confluence
Cloud Services
1 1 (2.70%) Microsoft Azure
Communications & Networking
1 4 (10.81%) VPN
2 1 (2.70%) Internet
2 1 (2.70%) Wi-Fi
Database & Business Intelligence
1 5 (13.51%) SQL Server
2 2 (5.41%) SQL Server 2016
3 1 (2.70%) Big Data
3 1 (2.70%) Redis
Development Applications
1 30 (81.08%) Visual Studio
2 26 (70.27%) NUnit
2 26 (70.27%) StyleCop
3 5 (13.51%) JIRA
4 3 (8.11%) Team Foundation Server
5 1 (2.70%) Git (software)
5 1 (2.70%) MSTest
5 1 (2.70%) Selenium
5 1 (2.70%) SpecFlow
5 1 (2.70%) Visual Studio Team System
5 1 (2.70%) WebDriver
General
1 7 (18.92%) Finance
2 4 (10.81%) Marketing
Job Titles
1 37 (100.00%) Developer
2 29 (78.38%) .NET Developer
2 29 (78.38%) C# Developer
3 26 (70.27%) C# .NET Developer
4 23 (62.16%) ASP.NET Developer
4 23 (62.16%) C# ASP.NET Developer
5 4 (10.81%) CRM Developer
5 4 (10.81%) EDI Developer
5 4 (10.81%) ERP Developer
5 4 (10.81%) Java Developer
5 4 (10.81%) Systems Developer
6 3 (8.11%) .NET Software Developer
6 3 (8.11%) .NET Web Developer
6 3 (8.11%) C# Software Developer
6 3 (8.11%) C# Web Developer
6 3 (8.11%) Software Developer
6 3 (8.11%) Web Developer
7 1 (2.70%) Test Automation Developer
Libraries, Frameworks & Software Standards
1 36 (97.30%) .NET
2 32 (86.49%) ASP.NET
3 31 (83.78%) CSS
3 31 (83.78%) HTML
4 29 (78.38%) .NET Framework
4 29 (78.38%) WCF
4 29 (78.38%) Web Services
5 28 (75.68%) ASP.NET MVC
6 26 (70.27%) Entity Framework
6 26 (70.27%) jQuery
6 26 (70.27%) LINQ
7 7 (18.92%) AngularJS
8 6 (16.22%) ASP.NET Web API
9 4 (10.81%) EDI
9 4 (10.81%) JavaBeans
9 4 (10.81%) XML
10 3 (8.11%) .NET Core
10 3 (8.11%) SOAP
11 2 (5.41%) ASP.NET MVC 5
11 2 (5.41%) Twitter Bootstrap
Miscellaneous
1 3 (8.11%) Self-Motivation
2 1 (2.70%) Internet of Things
Operating Systems
1 5 (13.51%) Linux
2 4 (10.81%) Unix
2 4 (10.81%) Windows
2 4 (10.81%) Windows Server
3 1 (2.70%) Android
3 1 (2.70%) Apple iOS
Processes & Methodologies
1 35 (94.59%) Agile Software Development
2 33 (89.19%) Scrum
3 29 (78.38%) MVC
4 4 (10.81%) Business Intelligence
4 4 (10.81%) CRM
4 4 (10.81%) Customer Requirements
4 4 (10.81%) E-Commerce
4 4 (10.81%) ERP
4 4 (10.81%) Open Source
4 4 (10.81%) Unit Testing
5 3 (8.11%) API Development
5 3 (8.11%) BDD
5 3 (8.11%) Continuous Integration
5 3 (8.11%) Inversion of Control
5 3 (8.11%) OO
5 3 (8.11%) OOA/OOD
6 2 (5.41%) Web Application Development
7 1 (2.70%) Artificial Intelligence
7 1 (2.70%) Enterprise Architecture
7 1 (2.70%) SOLID
Programming Languages
1 36 (97.30%) C#
2 32 (86.49%) JavaScript
3 5 (13.51%) Java
3 5 (13.51%) PHP
4 4 (10.81%) VB.NET
4 4 (10.81%) VBA
5 1 (2.70%) TypeScript
Vendors
1 4 (10.81%) Citrix
1 4 (10.81%) Microsoft
1 4 (10.81%) Veeam
1 4 (10.81%) VMware
2 1 (2.70%) Atlassian