Period
to 19 November 2017

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

Test-Driven Development (TDD)
Surrey > Guildford
6 months to
19 Nov 2017
Same period 2016 Same period 2015
Rank 36 37 30
Rank change year-on-year +1 -7 +29
Permanent jobs citing TDD 60 46 97
As % of all permanent IT jobs advertised in Guildford 7.26% 5.71% 7.53%
As % of the Processes & Methodologies category 8.25% 6.71% 8.72%
Number of salaries quoted 55 42 115
Guildford median annual salary £40,000 £57,500 £50,000
Median salary % change year-on-year -30.43% +15.00% +11.11%
10th Percentile £22,500 £35,000 £31,250
90th Percentile £65,650 £66,250 £66,250
Surrey median annual salary £50,000 £50,000 £52,500
% change year-on-year - -4.76% +12.90%

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 Guildford with a requirement for process or methodology skills.

All Process and Methodology Skills
Guildford
Permanent vacancies with a requirement for process or methodology skills 727 686 1112
As % of all permanent IT jobs advertised in Guildford 88.01% 85.11% 86.34%
Number of salaries quoted 644 625 1002
Guildford median annual salary £45,000 £47,500 £45,000
Median salary % change year-on-year -5.26% +5.56% -
10th Percentile £27,513 £30,000 £26,250
90th Percentile £67,500 £68,750 £66,250
Surrey median annual salary £50,000 £47,500 £45,000
% change year-on-year +5.26% +5.56% -

TDD
Job Vacancy Trend in Guildford

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

Job vacancy trend for TDD in Guildford

TDD
Salary Trend in Guildford

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

Salary trend for TDD in Guildford

TDD
Salary Histogram in Guildford

The salary distribution of IT jobs citing TDD in Guildford over the 6 months to 19 November 2017.

Salary histogram for TDD in Guildford

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

1 55 (91.67%) Agile Software Development
2 43 (71.67%) MVC
3 42 (70.00%) C#
4 41 (68.33%) SQL Server
4 41 (68.33%) RESTful
5 40 (66.67%) Web Application Development
6 39 (65.00%) BDD
6 39 (65.00%) ASP.NET
6 39 (65.00%) .NET
7 38 (63.33%) ASP.NET MVC
7 38 (63.33%) Ruby
8 34 (56.67%) ASP.NET Web API
9 32 (53.33%) .NET Framework
9 32 (53.33%) WCF
9 32 (53.33%) Entity Framework
10 29 (48.33%) Git (software)
11 25 (41.67%) Node.js
11 25 (41.67%) AngularJS
12 21 (35.00%) NoSQL
12 21 (35.00%) SQL Server 2016
12 21 (35.00%) ASP.NET MVC 5
12 21 (35.00%) Code First Entity Framework
13 16 (26.67%) Marketing
13 16 (26.67%) Web Services
14 14 (23.33%) Web Development
14 14 (23.33%) Twitter Bootstrap
15 13 (21.67%) Java
15 13 (21.67%) JavaScript
16 12 (20.00%) MongoDB
17 11 (18.33%) Kanban

TDD
Co-occurring IT Skills in Guildford 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 10 (16.67%) Elasticsearch
2 6 (10.00%) JBoss
3 3 (5.00%) Confluence
3 3 (5.00%) IIS
3 3 (5.00%) Umbraco
4 2 (3.33%) Tomcat
Cloud Services
1 10 (16.67%) Amazon AWS
1 10 (16.67%) Microsoft Azure
2 1 (1.67%) GitHub
Communications & Networking
1 5 (8.33%) Internet
Database & Business Intelligence
1 41 (68.33%) SQL Server
2 21 (35.00%) NoSQL
2 21 (35.00%) SQL Server 2016
3 12 (20.00%) MongoDB
4 10 (16.67%) SQL Server 2014
5 8 (13.33%) MySQL
6 6 (10.00%) PostgreSQL
7 3 (5.00%) JasperReports
7 3 (5.00%) Relational Database
7 3 (5.00%) SQL Server Reporting Services
8 1 (1.67%) RDBMS
8 1 (1.67%) SQL Server 2005
Development Applications
1 29 (48.33%) Git (software)
2 10 (16.67%) TeamCity
3 8 (13.33%) Maven
4 7 (11.67%) Jenkins
4 7 (11.67%) JMeter
5 6 (10.00%) Selenium
6 5 (8.33%) JIRA
6 5 (8.33%) JUnit
7 4 (6.67%) Arquillian
7 4 (6.67%) Mockito
7 4 (6.67%) Subversion
8 3 (5.00%) Octopus Deploy
8 3 (5.00%) PHPUnit
8 3 (5.00%) Visual Studio
8 3 (5.00%) WebDriver
9 2 (3.33%) JSUnit
10 1 (1.67%) Atlassian Bamboo
10 1 (1.67%) RSpec
General
1 16 (26.67%) Marketing
2 10 (16.67%) Games
3 2 (3.33%) Law
4 1 (1.67%) Finance
Job Titles
1 57 (95.00%) Developer
2 34 (56.67%) .NET Developer
3 17 (28.33%) .NET Software Developer
4 11 (18.33%) Junior
4 11 (18.33%) Junior Developer
5 10 (16.67%) Graduate
5 10 (16.67%) Graduate .NET Developer
5 10 (16.67%) Graduate Developer
5 10 (16.67%) Junior .NET Developer
6 9 (15.00%) Java Developer
7 6 (10.00%) C# Developer
8 5 (8.33%) Full Stack Developer
8 5 (8.33%) Internet Developer
8 5 (8.33%) Software Developer
9 4 (6.67%) C# Software Developer
9 4 (6.67%) Ruby Developer
9 4 (6.67%) Scala Developer
10 3 (5.00%) QA Automation Engineer
10 3 (5.00%) Senior QA Engineer
10 3 (5.00%) Senior Test Automation Engineer
Libraries, Frameworks & Software Standards
1 41 (68.33%) RESTful
2 39 (65.00%) .NET
2 39 (65.00%) ASP.NET
3 38 (63.33%) ASP.NET MVC
4 34 (56.67%) ASP.NET Web API
5 32 (53.33%) .NET Framework
5 32 (53.33%) Entity Framework
5 32 (53.33%) WCF
6 25 (41.67%) AngularJS
6 25 (41.67%) Node.js
7 21 (35.00%) ASP.NET MVC 5
7 21 (35.00%) Code First Entity Framework
8 16 (26.67%) Web Services
9 14 (23.33%) Twitter Bootstrap
10 11 (18.33%) WPF
11 10 (16.67%) KnockoutJS
11 10 (16.67%) MSMQ
12 7 (11.67%) HTML
12 7 (11.67%) React
12 7 (11.67%) Ruby on Rails
Miscellaneous
1 11 (18.33%) Computer Science
2 5 (8.33%) Enterprise Software
3 3 (5.00%) iPad
3 3 (5.00%) N-Tier
4 2 (3.33%) Greenfield Project
5 1 (1.67%) Data Structures
5 1 (1.67%) Fintech
5 1 (1.67%) Mobile App
5 1 (1.67%) User Experience
Operating Systems
1 1 (1.67%) Linux
Processes & Methodologies
1 55 (91.67%) Agile Software Development
2 43 (71.67%) MVC
3 40 (66.67%) Web Application Development
4 39 (65.00%) BDD
5 14 (23.33%) Web Development
6 11 (18.33%) Kanban
7 10 (16.67%) Dependency Injection
7 10 (16.67%) Multithreading
8 8 (13.33%) OO
9 7 (11.67%) Scrum
9 7 (11.67%) Test Automation
10 5 (8.33%) Continuous Integration
10 5 (8.33%) OOD
10 5 (8.33%) Unit Testing
11 4 (6.67%) OOP
12 3 (5.00%) Load Testing
12 3 (5.00%) Open Source
13 2 (3.33%) Mentoring
13 2 (3.33%) SOA
13 2 (3.33%) Software Engineering
Programming Languages
1 42 (70.00%) C#
2 38 (63.33%) Ruby
3 13 (21.67%) Java
3 13 (21.67%) JavaScript
4 10 (16.67%) F#
5 9 (15.00%) SQL
6 5 (8.33%) T-SQL
7 4 (6.67%) PHP
7 4 (6.67%) Python
7 4 (6.67%) Scala
8 3 (5.00%) VB.NET
9 2 (3.33%) Elixir
10 1 (1.67%) XPath
Qualifications
1 9 (15.00%) Degree
2 3 (5.00%) ISEB
2 3 (5.00%) ISTQB
Quality Assurance & Compliance
1 3 (5.00%) QA
System Software
1 2 (3.33%) Docker
Systems Management
1 10 (16.67%) Kibana
2 1 (1.67%) Puppet
Vendors
1 10 (16.67%) Google
2 4 (6.67%) Microsoft
3 1 (1.67%) Atlassian