Period
to 20 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Dartford 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 20 November 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Kent > Dartford
6 months to
20 Nov 2017
Same period 2016 Same period 2015
Rank 11 13 8
Rank change year-on-year +2 -5 +5
Permanent jobs citing TDD 31 27 39
As % of all permanent IT jobs advertised in Dartford 23.85% 23.28% 30.23%
As % of the Processes & Methodologies category 26.05% 25.96% 41.05%
Number of salaries quoted 27 26 39
Dartford median annual salary £50,000 £42,500 £50,000
Median salary % change year-on-year +17.65% -15.00% -
10th Percentile £33,250 £36,250 £37,500
90th Percentile £58,750 £48,750 £55,000
Kent median annual salary £42,500 £45,000 £42,500
% change year-on-year -5.56% +5.88% +6.25%

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 Dartford with a requirement for process or methodology skills.

All Process and Methodology Skills
Dartford
Permanent vacancies with a requirement for process or methodology skills 119 104 95
As % of all permanent IT jobs advertised in Dartford 91.54% 89.66% 73.64%
Number of salaries quoted 106 85 93
Dartford median annual salary £42,500 £42,500 £45,000
Median salary % change year-on-year - -5.56% -5.26%
10th Percentile £26,250 £31,450 £33,250
90th Percentile £58,750 £67,500 £55,000
Kent median annual salary £42,500 £42,500 £41,500
% change year-on-year - +2.41% -1.19%

TDD
Job Vacancy Trend in Dartford

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

Job vacancy trend for TDD in Dartford

TDD
Salary Trend in Dartford

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

Salary trend for TDD in Dartford

TDD
Salary Histogram in Dartford

The salary distribution of IT jobs citing TDD in Dartford over the 6 months to 20 November 2017.

Salary histogram for TDD in Dartford

For the 6 months to 20 November 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 Dartford region with a requirement for TDD.

1 31 (100.00%) Agile Software Development
2 26 (83.87%) C#
3 21 (67.74%) .NET
4 19 (61.29%) SQL Server
4 19 (61.29%) SQL Server 2016
5 16 (51.61%) Greenfield Project
5 16 (51.61%) Unity DI Container
5 16 (51.61%) Broadband
5 16 (51.61%) NUnit
5 16 (51.61%) Telecoms
5 16 (51.61%) Scrum
5 16 (51.61%) Continuous Integration
5 16 (51.61%) Kanban
5 16 (51.61%) Spring.NET
5 16 (51.61%) WPF
5 16 (51.61%) Dependency Injection
5 16 (51.61%) Inversion of Control
5 16 (51.61%) MSTest
5 16 (51.61%) MVVM
5 16 (51.61%) Rhino Mocks
5 16 (51.61%) Moq
5 16 (51.61%) Castle Windsor
5 16 (51.61%) Ninject
6 12 (38.71%) JavaScript
7 10 (32.26%) Electronics
7 10 (32.26%) Swedish Language
7 10 (32.26%) Continuous Improvement
7 10 (32.26%) Prototyping
7 10 (32.26%) Mobile App
8 8 (25.81%) NoSQL

TDD
Co-occurring IT Skills in Dartford 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 5 (16.13%) Photoshop
Cloud Services
1 5 (16.13%) Amazon AWS
1 5 (16.13%) Microsoft Azure
1 5 (16.13%) Serverless
Communications & Networking
1 16 (51.61%) Broadband
Database & Business Intelligence
1 19 (61.29%) SQL Server
1 19 (61.29%) SQL Server 2016
2 8 (25.81%) NoSQL
3 5 (16.13%) Amazon DynamoDB
3 5 (16.13%) DocumentDB
Development Applications
1 16 (51.61%) Moq
1 16 (51.61%) MSTest
1 16 (51.61%) NUnit
1 16 (51.61%) Rhino Mocks
2 3 (9.68%) Git (software)
General
1 16 (51.61%) Telecoms
2 10 (32.26%) Electronics
2 10 (32.26%) Swedish Language
3 2 (6.45%) Marketing
Job Titles
1 26 (83.87%) Developer
2 21 (67.74%) .NET Developer
3 16 (51.61%) Telecoms Developer
4 5 (16.13%) Cloud Engineer
4 5 (16.13%) Front End Developer (Client-Side Developer)
4 5 (16.13%) Senior Cloud Engineer
5 3 (9.68%) Social Media Developer
6 2 (6.45%) Agile .NET Developer
6 2 (6.45%) Agile C# Developer
6 2 (6.45%) Agile Developer
6 2 (6.45%) Angular Developer
6 2 (6.45%) ASP.NET MVC Developer
6 2 (6.45%) C# .NET Developer
6 2 (6.45%) C# Developer
6 2 (6.45%) JavaScript Developer
6 2 (6.45%) SQL Developer
Libraries, Frameworks & Software Standards
1 21 (67.74%) .NET
2 16 (51.61%) Castle Windsor
2 16 (51.61%) Ninject
2 16 (51.61%) Spring.NET
2 16 (51.61%) Unity DI Container
2 16 (51.61%) WPF
3 8 (25.81%) Node.js
3 8 (25.81%) RESTful
4 7 (22.58%) CSS
4 7 (22.58%) HTML
5 5 (16.13%) jQuery
6 3 (9.68%) ASP.NET
6 3 (9.68%) ASP.NET MVC
6 3 (9.68%) ASP.NET MVC 5
6 3 (9.68%) ASP.NET Web API
6 3 (9.68%) WCF
7 2 (6.45%) .NET Framework
7 2 (6.45%) CSS3
7 2 (6.45%) Entity Framework
7 2 (6.45%) HTML5
Miscellaneous
1 16 (51.61%) Greenfield Project
2 10 (32.26%) Mobile App
3 5 (16.13%) Analytical Skills
3 5 (16.13%) Data Structures
3 5 (16.13%) User Experience
4 3 (9.68%) BBC
4 3 (9.68%) Social Media
Processes & Methodologies
1 31 (100.00%) Agile Software Development
2 16 (51.61%) Continuous Integration
2 16 (51.61%) Dependency Injection
2 16 (51.61%) Inversion of Control
2 16 (51.61%) Kanban
2 16 (51.61%) MVVM
2 16 (51.61%) Scrum
3 10 (32.26%) Continuous Improvement
3 10 (32.26%) Prototyping
4 8 (25.81%) OO
5 5 (16.13%) Analytics
5 5 (16.13%) Front End Development
5 5 (16.13%) Machine Learning
5 5 (16.13%) MVC
5 5 (16.13%) OOP
5 5 (16.13%) SEO
5 5 (16.13%) Web Development
6 3 (9.68%) BDD
6 3 (9.68%) Web Application Development
7 2 (6.45%) Marketing Automation
Programming Languages
1 26 (83.87%) C#
2 12 (38.71%) JavaScript
3 7 (22.58%) SQL
4 5 (16.13%) Java
5 3 (9.68%) Ruby
Quality Assurance & Compliance
1 2 (6.45%) QA
Vendors
1 5 (16.13%) Facebook
2 3 (9.68%) Apple
2 3 (9.68%) Google
2 3 (9.68%) Sony
2 3 (9.68%) Yahoo!