Period
to 22 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Portsmouth 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 22 November 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Hampshire > Portsmouth
6 months to
22 Nov 2017
Same period 2016 Same period 2015
Rank 52 33 26
Rank change year-on-year -19 -7 -10
Permanent jobs citing TDD 38 45 76
As % of all permanent IT jobs advertised in Portsmouth 5.49% 6.73% 9.46%
As % of the Processes & Methodologies category 6.19% 7.27% 10.64%
Number of salaries quoted 49 46 62
Portsmouth median annual salary £42,500 £37,500 £48,500
Median salary % change year-on-year +13.33% -22.68% +7.78%
10th Percentile £35,000 £32,500 £32,500
90th Percentile £46,250 £52,500 £55,000
Hampshire median annual salary £45,000 £42,500 £41,500
% change year-on-year +5.88% +2.41% +0.61%

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 Portsmouth with a requirement for process or methodology skills.

All Process and Methodology Skills
Portsmouth
Permanent vacancies with a requirement for process or methodology skills 614 619 714
As % of all permanent IT jobs advertised in Portsmouth 88.73% 92.53% 88.92%
Number of salaries quoted 536 596 623
Portsmouth median annual salary £42,500 £40,000 £42,500
Median salary % change year-on-year +6.25% -5.88% +6.25%
10th Percentile £22,750 £26,875 £25,000
90th Percentile £57,500 £60,000 £58,750
Hampshire median annual salary £42,500 £41,500 £42,500
% change year-on-year +2.41% -2.35% +2.41%

TDD
Job Vacancy Trend in Portsmouth

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

Job vacancy trend for TDD in Portsmouth

TDD
Salary Trend in Portsmouth

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

Salary trend for TDD in Portsmouth

TDD
Salary Histogram in Portsmouth

The salary distribution of IT jobs citing TDD in Portsmouth over the 6 months to 22 November 2017.

Salary histogram for TDD in Portsmouth

For the 6 months to 22 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 Portsmouth region with a requirement for TDD.

1 32 (84.21%) Agile Software Development
2 28 (73.68%) .NET
3 27 (71.05%) C#
3 27 (71.05%) ASP.NET
3 27 (71.05%) MVC
3 27 (71.05%) ASP.NET MVC
3 27 (71.05%) BDD
4 26 (68.42%) Ruby
5 22 (57.89%) SQL Server
6 21 (55.26%) WCF
6 21 (55.26%) Git (software)
6 21 (55.26%) ASP.NET Web API
7 20 (52.63%) Web Application Development
7 20 (52.63%) SQL Server 2016
7 20 (52.63%) RESTful
8 18 (47.37%) Microsoft
9 16 (42.11%) Advertising
9 16 (42.11%) OO
9 16 (42.11%) NoSQL
9 16 (42.11%) Node.js
9 16 (42.11%) ASP.NET MVC 5
9 16 (42.11%) Greenfield Project
10 14 (36.84%) JavaScript
11 13 (34.21%) HTML
12 12 (31.58%) SQL
13 9 (23.68%) CSS
13 9 (23.68%) Web Development
14 8 (21.05%) Open Source
14 8 (21.05%) Microsoft Azure
14 8 (21.05%) Amazon AWS

TDD
Co-occurring IT Skills in Portsmouth 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 5 (13.16%) Elasticsearch
1 5 (13.16%) NServiceBus
2 4 (10.53%) Apache Spark
3 1 (2.63%) Confluence
Cloud Services
1 8 (21.05%) Amazon AWS
1 8 (21.05%) Microsoft Azure
Database & Business Intelligence
1 22 (57.89%) SQL Server
2 20 (52.63%) SQL Server 2016
3 16 (42.11%) NoSQL
4 4 (10.53%) Big Data
4 4 (10.53%) MongoDB
5 1 (2.63%) Endeca
5 1 (2.63%) PostgreSQL
5 1 (2.63%) Relational Database
5 1 (2.63%) SQL Server 2008
Development Applications
1 21 (55.26%) Git (software)
2 6 (15.79%) NUnit
3 5 (13.16%) Moq
3 5 (13.16%) TeamCity
4 4 (10.53%) Atlassian Bamboo
4 4 (10.53%) Jenkins
4 4 (10.53%) Travis CI
5 1 (2.63%) Cucumber
5 1 (2.63%) JBehave
5 1 (2.63%) JIRA
5 1 (2.63%) Selenium
5 1 (2.63%) Visual Studio
5 1 (2.63%) WebDriver
General
1 16 (42.11%) Advertising
2 5 (13.16%) Retail
3 4 (10.53%) Games
4 1 (2.63%) Finance
Job Titles
1 36 (94.74%) Developer
2 27 (71.05%) .NET Developer
3 6 (15.79%) .NET Software Developer
4 5 (13.16%) Digital Developer
4 5 (13.16%) Ruby Developer
4 5 (13.16%) Ruby on Rails Developer
4 5 (13.16%) Software Developer
5 4 (10.53%) Graduate
5 4 (10.53%) Graduate .NET Developer
5 4 (10.53%) Graduate Developer
5 4 (10.53%) Junior
5 4 (10.53%) Junior .NET Developer
5 4 (10.53%) Junior Developer
5 4 (10.53%) Python Developer
6 2 (5.26%) Senior .NET Developer
6 2 (5.26%) Senior Developer
7 1 (2.63%) C# Developer
7 1 (2.63%) Lead Developer
7 1 (2.63%) Senior C# Developer
7 1 (2.63%) Senior Software Developer
Libraries, Frameworks & Software Standards
1 28 (73.68%) .NET
2 27 (71.05%) ASP.NET
2 27 (71.05%) ASP.NET MVC
3 21 (55.26%) ASP.NET Web API
3 21 (55.26%) WCF
4 20 (52.63%) RESTful
5 16 (42.11%) ASP.NET MVC 5
5 16 (42.11%) Node.js
6 13 (34.21%) HTML
7 9 (23.68%) CSS
8 7 (18.42%) ASP.NET MVC 3
9 6 (15.79%) Ruby on Rails
10 5 (13.16%) .NET Framework
10 5 (13.16%) AngularJS
10 5 (13.16%) Entity Framework
10 5 (13.16%) HTML5
10 5 (13.16%) React
11 4 (10.53%) KnockoutJS
11 4 (10.53%) Twitter Bootstrap
11 4 (10.53%) WPF
Miscellaneous
1 16 (42.11%) Greenfield Project
2 4 (10.53%) Computer Science
3 1 (2.63%) User Experience
Operating Systems
1 1 (2.63%) Linux
1 1 (2.63%) Windows
Processes & Methodologies
1 32 (84.21%) Agile Software Development
2 27 (71.05%) BDD
2 27 (71.05%) MVC
3 20 (52.63%) Web Application Development
4 16 (42.11%) OO
5 9 (23.68%) Web Development
6 8 (21.05%) Open Source
7 5 (13.16%) E-Commerce
7 5 (13.16%) Kanban
7 5 (13.16%) SOLID
8 4 (10.53%) Continuous Integration
8 4 (10.53%) Data Analysis
8 4 (10.53%) Dependency Injection
8 4 (10.53%) Multithreading
9 3 (7.89%) Customer Requirements
10 2 (5.26%) Scrum
11 1 (2.63%) Business Intelligence
11 1 (2.63%) Regression Testing
11 1 (2.63%) Software Engineering
11 1 (2.63%) Software Testing
Programming Languages
1 27 (71.05%) C#
2 26 (68.42%) Ruby
3 14 (36.84%) JavaScript
4 12 (31.58%) SQL
5 4 (10.53%) F#
5 4 (10.53%) Python
6 1 (2.63%) C
6 1 (2.63%) T-SQL
Quality Assurance & Compliance
1 1 (2.63%) PCI DSS
System Software
1 1 (2.63%) Docker
Systems Management
1 4 (10.53%) Kibana
2 1 (2.63%) Marathon
Vendors
1 18 (47.37%) Microsoft
2 4 (10.53%) Google