Period
to 12 December 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 12 December 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Somerset > Bath
6 months to
12 Dec 2018
Same period 2017 Same period 2016
Rank 40 27 33
Rank change year-on-year -13 +6 +15
Permanent jobs citing TDD 21 72 45
As % of all permanent IT jobs advertised in Bath 4.48% 9.74% 7.69%
As % of the Processes & Methodologies category 4.85% 10.26% 8.46%
Number of salaries quoted 18 71 45
Bath median annual salary £48,750 £45,000 £41,500
Median salary % change year-on-year +8.33% +8.43% -12.63%
10th Percentile £35,000 £26,250 £33,450
90th Percentile £63,125 £63,750 £55,000
Somerset median annual salary £47,500 £47,000 £42,500
% change year-on-year +1.06% +10.59% +13.33%

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 433 702 532
As % of all permanent IT jobs advertised in Bath 92.32% 94.99% 90.94%
Number of salaries quoted 352 622 490
Bath median annual salary £45,000 £42,500 £40,000
Median salary % change year-on-year +5.88% +6.25% -
10th Percentile £27,000 £26,250 £25,950
90th Percentile £68,750 £58,750 £60,000
Somerset median annual salary £42,500 £41,000 £40,000
% change year-on-year +3.66% +2.50% +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 12 December 2018.

Salary histogram for TDD in Bath

For the 6 months to 12 December 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 20 (95.24%) JavaScript
2 18 (85.71%) AngularJS
3 13 (61.90%) BDD
3 13 (61.90%) CSS
4 12 (57.14%) HTML
4 12 (57.14%) Agile Software Development
5 10 (47.62%) Spring
5 10 (47.62%) Java
6 8 (38.10%) Security Cleared
7 7 (33.33%) .NET Framework
7 7 (33.33%) .NET
7 7 (33.33%) SDLC
8 6 (28.57%) Java 8
8 6 (28.57%) SQL
8 6 (28.57%) MVC
8 6 (28.57%) jQuery
9 5 (23.81%) RESTful
9 5 (23.81%) Microsoft Azure
9 5 (23.81%) Software Engineering
9 5 (23.81%) C#
9 5 (23.81%) Entity Framework
10 4 (19.05%) TypeScript
10 4 (19.05%) Finance
10 4 (19.05%) Project Management
10 4 (19.05%) Civica
10 4 (19.05%) Java EE
10 4 (19.05%) JSON
10 4 (19.05%) WPF
10 4 (19.05%) Kanban
10 4 (19.05%) SC Cleared

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 2 (9.52%) Elasticsearch
1 2 (9.52%) nginx
Cloud Services
1 5 (23.81%) Microsoft Azure
2 2 (9.52%) Amazon AWS
3 1 (4.76%) AWS Lambda
3 1 (4.76%) Cloud Computing
3 1 (4.76%) Serverless
Database & Business Intelligence
1 2 (9.52%) MySQL
1 2 (9.52%) PostgreSQL
1 2 (9.52%) Redis
2 1 (4.76%) SQL Server
2 1 (4.76%) SQL Server 2016
Development Applications
1 2 (9.52%) Git (software)
2 1 (4.76%) JUnit
2 1 (4.76%) Mocha
2 1 (4.76%) Mockito
2 1 (4.76%) Moq
2 1 (4.76%) NCrunch
2 1 (4.76%) NUnit
2 1 (4.76%) Oracle Forms
2 1 (4.76%) ReSharper
2 1 (4.76%) Sinon.JS
2 1 (4.76%) Visual Studio Team System
General
1 4 (19.05%) Finance
2 1 (4.76%) Banking
Job Titles
1 13 (61.90%) Developer
2 5 (23.81%) .NET Developer
2 5 (23.81%) Software Engineer
3 4 (19.05%) Java Developer
3 4 (19.05%) Java Engineer
3 4 (19.05%) JavaScript Developer
4 3 (14.29%) Java Software Engineer
5 2 (9.52%) .NET Software Developer
5 2 (9.52%) .NET Software Engineer
5 2 (9.52%) Azure Developer
5 2 (9.52%) C# .NET Developer
5 2 (9.52%) C# Developer
5 2 (9.52%) C# Software Engineer
5 2 (9.52%) Consultant
5 2 (9.52%) Java Consultant
5 2 (9.52%) Python Developer
5 2 (9.52%) Software Developer
6 1 (4.76%) Full Stack Developer
6 1 (4.76%) JavaScript Engineer
6 1 (4.76%) SC Cleared Java Developer
Libraries, Frameworks & Software Standards
1 18 (85.71%) AngularJS
2 13 (61.90%) CSS
3 12 (57.14%) HTML
4 10 (47.62%) Spring
5 7 (33.33%) .NET
5 7 (33.33%) .NET Framework
6 6 (28.57%) jQuery
7 5 (23.81%) Entity Framework
7 5 (23.81%) RESTful
8 4 (19.05%) Java EE
8 4 (19.05%) JSON
8 4 (19.05%) WPF
9 3 (14.29%) ASP.NET
9 3 (14.29%) ASP.NET MVC
9 3 (14.29%) ASP.NET Web API
9 3 (14.29%) Hibernate
9 3 (14.29%) NHibernate
9 3 (14.29%) React
9 3 (14.29%) Vue.js
9 3 (14.29%) WCF
Miscellaneous
1 1 (4.76%) Greenfield Project
1 1 (4.76%) Mobile App
Operating Systems
1 2 (9.52%) Linux
2 1 (4.76%) Windows
Processes & Methodologies
1 13 (61.90%) BDD
2 12 (57.14%) Agile Software Development
3 7 (33.33%) SDLC
4 6 (28.57%) MVC
5 5 (23.81%) Software Engineering
6 4 (19.05%) Kanban
6 4 (19.05%) Project Management
7 2 (9.52%) Collaborative Working
7 2 (9.52%) Continuous Integration
7 2 (9.52%) Problem-Solving
7 2 (9.52%) Scrum
8 1 (4.76%) Analytics
8 1 (4.76%) Front End Development
8 1 (4.76%) Low Latency
8 1 (4.76%) Mentoring
8 1 (4.76%) Microservices
8 1 (4.76%) Mobile Application Development
8 1 (4.76%) SOLID
8 1 (4.76%) Test Automation
8 1 (4.76%) Web Application Development
Programming Languages
1 20 (95.24%) JavaScript
2 10 (47.62%) Java
3 6 (28.57%) Java 8
3 6 (28.57%) SQL
4 5 (23.81%) C#
5 4 (19.05%) TypeScript
6 2 (9.52%) ES6
6 2 (9.52%) Python
7 1 (4.76%) T-SQL
Qualifications
1 8 (38.10%) Security Cleared
2 4 (19.05%) SC Cleared
System Software
1 2 (9.52%) Docker
Vendors
1 4 (19.05%) Civica
2 1 (4.76%) Microsoft
2 1 (4.76%) Oracle
2 1 (4.76%) SAP