Period
to 18 February 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 18 February 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Somerset > Bath
6 months to
18 Feb 2018
Same period 2017 Same period 2016
Rank 20 38 42
Rank change year-on-year +18 +4 -10
Permanent jobs citing TDD 83 31 27
As % of all permanent IT jobs advertised in Bath 12.21% 5.40% 4.99%
As % of the Processes & Methodologies category 13.28% 6.02% 5.65%
Number of salaries quoted 81 31 26
Bath median annual salary £50,000 £42,500 £46,250
Median salary % change year-on-year +17.65% -8.11% +23.33%
10th Percentile £26,250 £33,250 £32,500
90th Percentile £63,750 £55,000 £63,750
Somerset median annual salary £50,000 £42,500 £37,500
% change year-on-year +17.65% +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 625 515 478
As % of all permanent IT jobs advertised in Bath 91.91% 89.72% 88.35%
Number of salaries quoted 577 455 431
Bath median annual salary £42,500 £40,000 £39,500
Median salary % change year-on-year +6.25% +1.27% +12.86%
10th Percentile £26,250 £23,750 £28,750
90th Percentile £60,000 £60,000 £61,250
Somerset median annual salary £41,377 £40,000 £37,500
% change year-on-year +3.44% +6.67% +7.14%

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 18 February 2018.

Salary histogram for TDD in Bath

For the 6 months to 18 February 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 63 (75.90%) Agile Software Development
2 58 (69.88%) .NET
3 49 (59.04%) Git (software)
4 47 (56.63%) C#
5 46 (55.42%) Continuous Integration
6 43 (51.81%) JavaScript
7 32 (38.55%) MVC
8 30 (36.14%) HTML
9 29 (34.94%) Web Development
9 29 (34.94%) NoSQL
9 29 (34.94%) AngularJS
10 27 (32.53%) Node.js
10 27 (32.53%) Open Source
10 27 (32.53%) ASP.NET
11 24 (28.92%) Scrum
12 23 (27.71%) RESTful
13 22 (26.51%) Pair Programming
13 22 (26.51%) E-Commerce
13 22 (26.51%) Java
13 22 (26.51%) SQL Server
13 22 (26.51%) React
14 21 (25.30%) BDD
15 20 (24.10%) CSS
16 18 (21.69%) Microservices
16 18 (21.69%) Linux
16 18 (21.69%) Software Engineering
17 17 (20.48%) WCF
17 17 (20.48%) ASP.NET MVC
17 17 (20.48%) Web Application Development
18 15 (18.07%) Docker

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 14 (16.87%) OpenStack
2 6 (7.23%) BizTalk Server
3 3 (3.61%) nginx
4 1 (1.20%) Apache
4 1 (1.20%) Elasticsearch
4 1 (1.20%) Gunicorn
4 1 (1.20%) IIS
Applications
1 1 (1.20%) Photoshop
Cloud Services
1 2 (2.41%) Amazon AWS
2 1 (1.20%) GitHub
2 1 (1.20%) Google Cloud Platform
2 1 (1.20%) Microsoft Azure
Communications & Networking
1 2 (2.41%) Internet
2 1 (1.20%) Ethernet
2 1 (1.20%) IPv4
2 1 (1.20%) IPv6
2 1 (1.20%) SSL
Database & Business Intelligence
1 29 (34.94%) NoSQL
2 22 (26.51%) SQL Server
3 15 (18.07%) SQL Server 2016
4 6 (7.23%) MySQL
5 3 (3.61%) Relational Database
6 2 (2.41%) PostgreSQL
7 1 (1.20%) GIS
7 1 (1.20%) Redis
7 1 (1.20%) SQL Server 2005
7 1 (1.20%) SQL Server 2012
Development Applications
1 49 (59.04%) Git (software)
2 10 (12.05%) Moq
3 9 (10.84%) NUnit
3 9 (10.84%) Subversion
4 6 (7.23%) Rhino Mocks
5 4 (4.82%) Visual Studio
6 3 (3.61%) JUnit
6 3 (3.61%) Mercurial
6 3 (3.61%) Mockito
7 2 (2.41%) Jenkins
7 2 (2.41%) Selenium
7 2 (2.41%) TeamCity
8 1 (1.20%) Grunt
8 1 (1.20%) gulp
8 1 (1.20%) Jasmine
8 1 (1.20%) JIRA
8 1 (1.20%) Karma Test Runner
General
1 9 (10.84%) Music Industry
2 1 (1.20%) Banking
2 1 (1.20%) Games
Job Titles
1 76 (91.57%) Developer
2 47 (56.63%) .NET Developer
3 26 (31.33%) Software Developer
4 19 (22.89%) E-Commerce Developer
5 15 (18.07%) .NET Software Developer
6 9 (10.84%) C# Developer
6 9 (10.84%) Junior
6 9 (10.84%) Junior Developer
7 8 (9.64%) C# .NET Developer
7 8 (9.64%) Senior Developer
8 7 (8.43%) C# Developer - E-Commerce
8 7 (8.43%) Junior Software Developer
9 6 (7.23%) Front End Developer (Client-Side Developer)
10 5 (6.02%) Java Developer
10 5 (6.02%) Java Software Developer
11 4 (4.82%) Graduate
11 4 (4.82%) Graduate Developer
11 4 (4.82%) Graduate Software Developer
11 4 (4.82%) Python Developer
11 4 (4.82%) Software Engineer
Libraries, Frameworks & Software Standards
1 58 (69.88%) .NET
2 30 (36.14%) HTML
3 29 (34.94%) AngularJS
4 27 (32.53%) ASP.NET
4 27 (32.53%) Node.js
5 23 (27.71%) RESTful
6 22 (26.51%) React
7 20 (24.10%) CSS
8 17 (20.48%) ASP.NET MVC
8 17 (20.48%) WCF
9 15 (18.07%) ASP.NET MVC 5
10 14 (16.87%) .NET Framework
10 14 (16.87%) Web Services
11 13 (15.66%) JSON
12 12 (14.46%) jQuery
13 11 (13.25%) Entity Framework
13 11 (13.25%) KnockoutJS
14 10 (12.05%) ASP.NET Web API
14 10 (12.05%) Twitter Bootstrap
15 9 (10.84%) Code First Entity Framework
Miscellaneous
1 10 (12.05%) Computer Science
2 8 (9.64%) Greenfield Project
3 6 (7.23%) Music Streaming
3 6 (7.23%) User Experience
4 2 (2.41%) Enterprise Software
5 1 (1.20%) Mobile Banking
Operating Systems
1 18 (21.69%) Linux
2 13 (15.66%) Unix
3 6 (7.23%) Windows
4 1 (1.20%) Apple iOS
Processes & Methodologies
1 63 (75.90%) Agile Software Development
2 46 (55.42%) Continuous Integration
3 32 (38.55%) MVC
4 29 (34.94%) Web Development
5 27 (32.53%) Open Source
6 24 (28.92%) Scrum
7 22 (26.51%) E-Commerce
7 22 (26.51%) Pair Programming
8 21 (25.30%) BDD
9 18 (21.69%) Microservices
9 18 (21.69%) Software Engineering
10 17 (20.48%) Web Application Development
11 15 (18.07%) DevOps
12 14 (16.87%) Test Automation
12 14 (16.87%) Unit Testing
13 13 (15.66%) Continuous Delivery
14 12 (14.46%) Software Delivery
15 10 (12.05%) Kanban
15 10 (12.05%) Mathematics
16 9 (10.84%) OOP
Programming Languages
1 47 (56.63%) C#
2 43 (51.81%) JavaScript
3 22 (26.51%) Java
4 9 (10.84%) Ruby
4 9 (10.84%) SQL
5 6 (7.23%) Python
6 2 (2.41%) T-SQL
6 2 (2.41%) TypeScript
7 1 (1.20%) C++
7 1 (1.20%) Dart
7 1 (1.20%) ES6
7 1 (1.20%) Groovy
7 1 (1.20%) PHP
Qualifications
1 13 (15.66%) Degree
2 3 (3.61%) Security Cleared
System Software
1 15 (18.07%) Docker
2 1 (1.20%) Snort
2 1 (1.20%) VMware Infrastructure
2 1 (1.20%) vSphere
Systems Management
1 3 (3.61%) Ansible
2 2 (2.41%) Opscode Chef
2 2 (2.41%) Puppet
3 1 (1.20%) HAProxy
3 1 (1.20%) Kubernetes
3 1 (1.20%) Rancher
Vendors
1 4 (4.82%) Oracle
2 3 (3.61%) Google
3 2 (2.41%) Microsoft
4 1 (1.20%) Adobe
4 1 (1.20%) VMware