Period
to 19 October 2018

The following table provides summary statistics for permanent job vacancies advertised in Bath 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 19 October 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Somerset > Bath
6 months to
19 Oct 2018
Same period 2017 Same period 2016
Rank 40 33 18
Rank change year-on-year -7 -15 +25
Permanent jobs citing TDD 18 67 74
As % of all permanent IT jobs advertised in Bath 4.26% 8.21% 11.30%
As % of the Processes & Methodologies category 4.59% 8.75% 12.23%
Number of salaries quoted 13 66 74
Bath median annual salary £45,000 £40,000 £45,000
Median salary % change year-on-year +12.50% -11.11% +2.86%
10th Percentile £35,500 £26,250 £33,750
90th Percentile £72,750 £62,500 £70,000
Somerset median annual salary £47,500 £44,000 £43,000
% change year-on-year +7.95% +2.33% +1.18%

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 Bath with a requirement for process or methodology skills.

All Process and Methodology Skills
Bath
Permanent vacancies with a requirement for process or methodology skills 392 766 605
As % of all permanent IT jobs advertised in Bath 92.67% 93.87% 92.37%
Number of salaries quoted 340 634 574
Bath median annual salary £43,000 £42,500 £40,000
Median salary % change year-on-year +1.18% +6.25% -
10th Percentile £26,725 £27,000 £26,250
90th Percentile £65,000 £64,250 £58,925
Somerset median annual salary £43,750 £41,377 £40,000
% change year-on-year +5.74% +3.44% +6.67%

TDD
Job Vacancy Trend in Bath

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

Job vacancy trend for TDD in Bath

TDD
Salary Trend in Bath

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

Salary trend for TDD in Bath

TDD
Salary Histogram in Bath

The salary distribution of IT jobs citing TDD in Bath over the 6 months to 19 October 2018.

Salary histogram for TDD in Bath

For the 6 months to 19 October 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 Bath region with a requirement for TDD.

1 16 (88.89%) JavaScript
2 13 (72.22%) AngularJS
3 10 (55.56%) Kanban
4 8 (44.44%) .NET
4 8 (44.44%) TypeScript
5 7 (38.89%) MVC
5 7 (38.89%) Agile Software Development
5 7 (38.89%) Git (software)
6 6 (33.33%) nginx
6 6 (33.33%) .NET Framework
6 6 (33.33%) Django
6 6 (33.33%) PostgreSQL
6 6 (33.33%) MySQL
6 6 (33.33%) C#
6 6 (33.33%) CSS
6 6 (33.33%) Linux
6 6 (33.33%) Python
6 6 (33.33%) D3.js
6 6 (33.33%) Elasticsearch
6 6 (33.33%) Redis
6 6 (33.33%) LEMP Stack
6 6 (33.33%) Collaborative Working
7 5 (27.78%) BDD
7 5 (27.78%) HTML
7 5 (27.78%) Scrum
8 4 (22.22%) SQL
8 4 (22.22%) WPF
8 4 (22.22%) ASP.NET
8 4 (22.22%) ASP.NET MVC
8 4 (22.22%) Entity Framework

TDD
Co-occurring IT Skills in Bath 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 6 (33.33%) Elasticsearch
1 6 (33.33%) nginx
Cloud Services
1 2 (11.11%) Amazon AWS
1 2 (11.11%) Cloud Computing
1 2 (11.11%) Microsoft Azure
2 1 (5.56%) AWS Lambda
2 1 (5.56%) Serverless
Database & Business Intelligence
1 6 (33.33%) MySQL
1 6 (33.33%) PostgreSQL
1 6 (33.33%) Redis
2 2 (11.11%) SQL Server
3 1 (5.56%) NoSQL
3 1 (5.56%) SQL Server 2016
Development Applications
1 7 (38.89%) Git (software)
2 2 (11.11%) NCrunch
2 2 (11.11%) ReSharper
3 1 (5.56%) JUnit
3 1 (5.56%) Mocha
3 1 (5.56%) Mockito
3 1 (5.56%) Moq
3 1 (5.56%) NUnit
3 1 (5.56%) Oracle Forms
3 1 (5.56%) Sinon.JS
3 1 (5.56%) Visual Studio Team System
General
1 2 (11.11%) Finance
2 1 (5.56%) Banking
Job Titles
1 16 (88.89%) Developer
2 9 (50.00%) JavaScript Developer
3 7 (38.89%) .NET Developer
4 6 (33.33%) Python Developer
5 2 (11.11%) .NET Software Developer
5 2 (11.11%) C# .NET Developer
5 2 (11.11%) C# Developer
5 2 (11.11%) Software Developer
6 1 (5.56%) .NET Software Engineer
6 1 (5.56%) C# Software Developer
6 1 (5.56%) C# Software Engineer
6 1 (5.56%) Developer/Software Engineer
6 1 (5.56%) Front End Developer (Client-Side Developer)
6 1 (5.56%) Front End Web Developer (Client-Side Developer)
6 1 (5.56%) Full Stack Developer
6 1 (5.56%) Java Engineer
6 1 (5.56%) Mid-Level .NET Developer
6 1 (5.56%) Senior .NET Developer
6 1 (5.56%) Senior Java Engineer
6 1 (5.56%) Software Engineer
Libraries, Frameworks & Software Standards
1 13 (72.22%) AngularJS
2 8 (44.44%) .NET
3 6 (33.33%) .NET Framework
3 6 (33.33%) CSS
3 6 (33.33%) D3.js
3 6 (33.33%) Django
3 6 (33.33%) LEMP Stack
4 5 (27.78%) HTML
5 4 (22.22%) ASP.NET
5 4 (22.22%) ASP.NET MVC
5 4 (22.22%) Entity Framework
5 4 (22.22%) Vue.js
5 4 (22.22%) WPF
6 3 (16.67%) NHibernate
6 3 (16.67%) Node.js
6 3 (16.67%) RESTful
6 3 (16.67%) WCF
7 2 (11.11%) CSS3
7 2 (11.11%) Electron Framework
7 2 (11.11%) jQuery
Miscellaneous
1 3 (16.67%) Greenfield Project
2 1 (5.56%) Blog
2 1 (5.56%) Mobile App
Operating Systems
1 6 (33.33%) Linux
2 1 (5.56%) Windows
Processes & Methodologies
1 10 (55.56%) Kanban
2 7 (38.89%) Agile Software Development
2 7 (38.89%) MVC
3 6 (33.33%) Collaborative Working
4 5 (27.78%) BDD
4 5 (27.78%) Scrum
5 4 (22.22%) SDLC
6 3 (16.67%) Continuous Integration
6 3 (16.67%) SOLID
7 2 (11.11%) Microservices
7 2 (11.11%) Problem-Solving
8 1 (5.56%) Analytics
8 1 (5.56%) Front End Development
8 1 (5.56%) Low Latency
8 1 (5.56%) Mentoring
8 1 (5.56%) Mobile Application Development
8 1 (5.56%) Software Engineering
8 1 (5.56%) Unit Testing
8 1 (5.56%) Web Application Development
8 1 (5.56%) Web Development
Programming Languages
1 16 (88.89%) JavaScript
2 8 (44.44%) TypeScript
3 6 (33.33%) C#
3 6 (33.33%) Python
4 4 (22.22%) SQL
5 2 (11.11%) ES6
6 1 (5.56%) Java
6 1 (5.56%) T-SQL
Vendors
1 1 (5.56%) Microsoft
1 1 (5.56%) Oracle
1 1 (5.56%) SAP