Period
to 21 May 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 21 May 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Somerset > Bath
6 months to
21 May 2018
Same period 2017 Same period 2016
Rank 24 43 29
Rank change year-on-year +19 -14 +20
Permanent jobs citing TDD 54 36 44
As % of all permanent IT jobs advertised in Bath 9.17% 4.85% 7.79%
As % of the Processes & Methodologies category 9.66% 5.19% 8.49%
Number of salaries quoted 44 36 44
Bath median annual salary £52,500 £39,500 £41,500
Median salary % change year-on-year +32.91% -4.82% +18.57%
10th Percentile £34,125 £32,875 £32,500
90th Percentile £63,750 £52,500 £69,250
Somerset median annual salary £55,000 £42,500 £41,000
% change year-on-year +29.41% +3.66% +17.14%

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 559 693 518
As % of all permanent IT jobs advertised in Bath 94.91% 93.40% 91.68%
Number of salaries quoted 506 543 479
Bath median annual salary £42,500 £40,000 £40,000
Median salary % change year-on-year +6.25% - +14.29%
10th Percentile £27,197 £27,500 £30,000
90th Percentile £58,375 £67,500 £58,750
Somerset median annual salary £41,500 £40,000 £37,500
% change year-on-year +3.75% +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 21 May 2018.

Salary histogram for TDD in Bath

For the 6 months to 21 May 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 41 (75.93%) Git (software)
2 39 (72.22%) JavaScript
3 33 (61.11%) .NET
4 32 (59.26%) C#
5 30 (55.56%) AngularJS
6 24 (44.44%) Agile Software Development
6 24 (44.44%) MVC
7 20 (37.04%) ASP.NET
8 16 (29.63%) NoSQL
9 15 (27.78%) ASP.NET MVC
9 15 (27.78%) BDD
9 15 (27.78%) CSS
9 15 (27.78%) Linux
9 15 (27.78%) Python
9 15 (27.78%) HTML
10 14 (25.93%) Django
10 14 (25.93%) Kanban
11 13 (24.07%) Node.js
11 13 (24.07%) TypeScript
11 13 (24.07%) SQL Server
12 12 (22.22%) MySQL
12 12 (22.22%) .NET Framework
12 12 (22.22%) PostgreSQL
12 12 (22.22%) Entity Framework
12 12 (22.22%) Continuous Integration
12 12 (22.22%) nginx
13 11 (20.37%) RESTful
13 11 (20.37%) Redis
13 11 (20.37%) LEMP Stack
14 10 (18.52%) Code First 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 12 (22.22%) nginx
2 10 (18.52%) Elasticsearch
3 5 (9.26%) BizTalk Server
4 1 (1.85%) Gunicorn
4 1 (1.85%) OpenStack
Applications
1 1 (1.85%) Photoshop
Cloud Services
1 5 (9.26%) Microsoft Azure
2 1 (1.85%) Amazon AWS
2 1 (1.85%) Cloud Computing
2 1 (1.85%) GitHub
2 1 (1.85%) Google Cloud Platform
Communications & Networking
1 1 (1.85%) Ethernet
1 1 (1.85%) IPv4
1 1 (1.85%) IPv6
1 1 (1.85%) SSL
Database & Business Intelligence
1 16 (29.63%) NoSQL
2 13 (24.07%) SQL Server
3 12 (22.22%) MySQL
3 12 (22.22%) PostgreSQL
4 11 (20.37%) Redis
5 10 (18.52%) SQL Server 2016
6 1 (1.85%) GIS
6 1 (1.85%) Relational Database
Development Applications
1 41 (75.93%) Git (software)
2 3 (5.56%) NCrunch
2 3 (5.56%) ReSharper
3 2 (3.70%) JUnit
3 2 (3.70%) Mockito
3 2 (3.70%) Selenium
3 2 (3.70%) Visual Studio Team System
4 1 (1.85%) Grunt
4 1 (1.85%) gulp
4 1 (1.85%) Jasmine
4 1 (1.85%) Jenkins
4 1 (1.85%) JIRA
4 1 (1.85%) Karma Test Runner
4 1 (1.85%) Mercurial
4 1 (1.85%) Subversion
4 1 (1.85%) TeamCity
General
1 10 (18.52%) Music Industry
2 1 (1.85%) Games
Job Titles
1 50 (92.59%) Developer
2 32 (59.26%) .NET Developer
3 13 (24.07%) Python Developer
4 12 (22.22%) Software Developer
5 11 (20.37%) .NET Software Developer
5 11 (20.37%) JavaScript Developer
6 8 (14.81%) E-Commerce Developer
7 2 (3.70%) ASP.NET MVC Developer
7 2 (3.70%) C# .NET Developer
7 2 (3.70%) C# Developer
7 2 (3.70%) Front End Developer (Client-Side Developer)
7 2 (3.70%) Java Engineer
7 2 (3.70%) Java Software Engineer
7 2 (3.70%) Lead .NET Developer
7 2 (3.70%) Lead C# Developer
7 2 (3.70%) Lead Developer
7 2 (3.70%) Software Engineer
8 1 (1.85%) Linux Engineer
8 1 (1.85%) Senior Developer
8 1 (1.85%) Senior Software Developer
Libraries, Frameworks & Software Standards
1 33 (61.11%) .NET
2 30 (55.56%) AngularJS
3 20 (37.04%) ASP.NET
4 15 (27.78%) ASP.NET MVC
4 15 (27.78%) CSS
4 15 (27.78%) HTML
5 14 (25.93%) Django
6 13 (24.07%) Node.js
7 12 (22.22%) .NET Framework
7 12 (22.22%) Entity Framework
8 11 (20.37%) LEMP Stack
8 11 (20.37%) RESTful
9 10 (18.52%) ASP.NET MVC 5
9 10 (18.52%) ASP.NET Web API
9 10 (18.52%) Code First Entity Framework
9 10 (18.52%) D3.js
9 10 (18.52%) KnockoutJS
9 10 (18.52%) Twitter Bootstrap
9 10 (18.52%) WCF
10 9 (16.67%) jQuery
Miscellaneous
1 3 (5.56%) Greenfield Project
2 2 (3.70%) Enterprise Software
2 2 (3.70%) Self-Motivation
3 1 (1.85%) Blog
3 1 (1.85%) User Experience
Operating Systems
1 15 (27.78%) Linux
2 1 (1.85%) Apple iOS
2 1 (1.85%) Unix
2 1 (1.85%) Windows
Processes & Methodologies
1 24 (44.44%) Agile Software Development
1 24 (44.44%) MVC
2 15 (27.78%) BDD
3 14 (25.93%) Kanban
4 12 (22.22%) Continuous Integration
5 10 (18.52%) Collaborative Working
5 10 (18.52%) High Availability
5 10 (18.52%) Microservices
5 10 (18.52%) Problem-Solving
5 10 (18.52%) Web Application Development
6 9 (16.67%) Open Source
6 9 (16.67%) Web Development
7 8 (14.81%) E-Commerce
7 8 (14.81%) Pair Programming
7 8 (14.81%) Scrum
8 7 (12.96%) SOLID
9 5 (9.26%) Mentoring
9 5 (9.26%) Software Engineering
10 4 (7.41%) OO
11 2 (3.70%) OOD
Programming Languages
1 39 (72.22%) JavaScript
2 32 (59.26%) C#
3 15 (27.78%) Python
4 13 (24.07%) TypeScript
5 10 (18.52%) Ruby
6 7 (12.96%) SQL
7 6 (11.11%) Java
8 1 (1.85%) Dart
8 1 (1.85%) Groovy
Qualifications
1 2 (3.70%) Security Cleared
2 1 (1.85%) Degree
System Software
1 2 (3.70%) Docker
2 1 (1.85%) Snort
2 1 (1.85%) VMware Infrastructure
2 1 (1.85%) vSphere
Systems Management
1 1 (1.85%) Ansible
1 1 (1.85%) HAProxy
1 1 (1.85%) Kubernetes
1 1 (1.85%) Rancher
Vendors
1 2 (3.70%) Oracle
2 1 (1.85%) Adobe
2 1 (1.85%) Google
2 1 (1.85%) VMware