Period
to 13 December 2018

The following table provides summary statistics for permanent job vacancies advertised in Leeds 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 13 December 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
6 months to
13 Dec 2018
Same period 2017 Same period 2016
Rank 20 25 26
Rank change year-on-year +5 +1 +2
Permanent jobs citing TDD 350 366 409
As % of all permanent IT jobs advertised in Leeds 9.56% 7.43% 7.65%
As % of the Processes & Methodologies category 10.48% 7.90% 8.22%
Number of salaries quoted 266 321 364
Leeds median annual salary £45,000 £50,000 £47,500
Median salary % change year-on-year -10.00% +5.26% +5.56%
10th Percentile £32,500 £35,000 £33,750
90th Percentile £70,000 £60,000 £57,500
West Yorkshire median annual salary £45,000 £47,500 £46,000
% change year-on-year -5.26% +3.26% +2.22%

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 Leeds with a requirement for process or methodology skills.

All Process and Methodology Skills
Leeds
Permanent vacancies with a requirement for process or methodology skills 3,341 4,630 4,973
As % of all permanent IT jobs advertised in Leeds 91.21% 94.05% 93.04%
Number of salaries quoted 2,794 3,910 4,249
Leeds median annual salary £45,000 £45,000 £42,500
Median salary % change year-on-year - +5.88% -
10th Percentile £27,500 £28,000 £26,250
90th Percentile £63,750 £62,500 £60,000
West Yorkshire median annual salary £44,000 £42,500 £42,500
% change year-on-year +3.53% - -

TDD
Job Vacancy Trend in Leeds

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

Job vacancy trend for TDD in Leeds

TDD
Salary Trend in Leeds

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

Salary trend for TDD in Leeds

TDD
Salary Histogram in Leeds

The salary distribution of IT jobs citing TDD in Leeds over the 6 months to 13 December 2018.

Salary histogram for TDD in Leeds

For the 6 months to 13 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 Leeds region with a requirement for TDD.

1 259 (74.00%) Agile Software Development
2 205 (58.57%) BDD
3 182 (52.00%) C#
4 163 (46.57%) JavaScript
5 155 (44.29%) Java
6 141 (40.29%) Software Engineering
7 127 (36.29%) .NET
8 124 (35.43%) SQL
9 122 (34.86%) Continuous Integration
10 109 (31.14%) Jenkins
11 102 (29.14%) MVC
12 97 (27.71%) Pair Programming
13 92 (26.29%) ASP.NET
13 92 (26.29%) Microsoft
14 91 (26.00%) ASP.NET MVC
15 87 (24.86%) Enterprise Software
16 78 (22.29%) Spring
17 71 (20.29%) Selenium
18 68 (19.43%) HTML
19 67 (19.14%) CSS
19 67 (19.14%) Test Automation
20 63 (18.00%) Git (software)
21 62 (17.71%) Python
21 62 (17.71%) Spring Boot
22 61 (17.43%) React
23 58 (16.57%) Scrum
23 58 (16.57%) Continuous Delivery
24 57 (16.29%) Greenfield Project
25 56 (16.00%) SQL Server
26 50 (14.29%) DevOps

TDD
Co-occurring IT Skills in Leeds 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 26 (7.43%) Elasticsearch
1 26 (7.43%) nginx
2 12 (3.43%) Apache
3 11 (3.14%) Apache Spark
4 7 (2.00%) SharePoint
5 2 (0.57%) CMS
6 1 (0.29%) NServiceBus
6 1 (0.29%) Tomcat
Business Applications
1 2 (0.57%) Magento
2 1 (0.29%) Dynamics CRM
Cloud Services
1 36 (10.29%) Amazon AWS
2 26 (7.43%) Microsoft Azure
3 21 (6.00%) G Suite
3 21 (6.00%) Office 365
4 19 (5.43%) Google Cloud Platform
5 4 (1.14%) SaaS
6 3 (0.86%) GitHub
7 2 (0.57%) AWS Lambda
7 2 (0.57%) Serverless
8 1 (0.29%) Adobe Analytics
8 1 (0.29%) Cloud Computing
8 1 (0.29%) IaaS
8 1 (0.29%) NuGet
8 1 (0.29%) PaaS
Communications & Networking
1 6 (1.71%) HTTP
1 6 (1.71%) Internet
Database & Business Intelligence
1 56 (16.00%) SQL Server
2 35 (10.00%) NoSQL
3 31 (8.86%) MongoDB
4 29 (8.29%) PostgreSQL
5 26 (7.43%) Redis
6 18 (5.14%) MySQL
7 16 (4.57%) Apache Cassandra
8 11 (3.14%) CouchDB
8 11 (3.14%) GIS
8 11 (3.14%) Hadoop
8 11 (3.14%) Riak
9 7 (2.00%) Power BI
9 7 (2.00%) QlikView
9 7 (2.00%) SQL Server Analysis Services
9 7 (2.00%) SQL Server Integration Services
9 7 (2.00%) SQL Server Reporting Services
10 5 (1.43%) Relational Database
10 5 (1.43%) SQL Server 2012
11 3 (0.86%) BusinessObjects
12 1 (0.29%) SQL Server 2008
Development Applications
1 109 (31.14%) Jenkins
2 71 (20.29%) Selenium
3 63 (18.00%) Git (software)
4 44 (12.57%) SoapUI
5 40 (11.43%) Cucumber
6 35 (10.00%) Subversion
7 33 (9.43%) JIRA
8 31 (8.86%) Mercurial
9 29 (8.29%) JMeter
10 28 (8.00%) Team Foundation Server
11 25 (7.14%) Maven
12 24 (6.86%) WebDriver
13 19 (5.43%) Octopus Deploy
14 14 (4.00%) LoadRunner
15 11 (3.14%) Appium
15 11 (3.14%) Atlassian Bamboo
15 11 (3.14%) Buildbot
15 11 (3.14%) Ranorex
16 10 (2.86%) Gatling
16 10 (2.86%) WebLOAD
General
1 39 (11.14%) Finance
2 27 (7.71%) Retail
3 9 (2.57%) Banking
4 2 (0.57%) Marketing
5 1 (0.29%) Advertising
5 1 (0.29%) Telecoms
Job Titles
1 294 (84.00%) Developer
2 93 (26.57%) C# Developer
3 70 (20.00%) Java Developer
4 60 (17.14%) Senior Developer
5 45 (12.86%) Software Engineer
6 44 (12.57%) .NET Developer
7 40 (11.43%) C# .NET Developer
8 34 (9.71%) Python Developer
9 33 (9.43%) Developer/Software Engineer
10 32 (9.14%) Developer in Test
10 32 (9.14%) Software Developer
11 30 (8.57%) ASP.NET MVC Developer
12 29 (8.29%) ASP.NET Developer
12 29 (8.29%) C# ASP.NET Developer
12 29 (8.29%) Lead Developer
13 28 (8.00%) JavaScript Developer
14 23 (6.57%) React Developer
15 21 (6.00%) Senior JavaScript Developer
16 18 (5.14%) Cloud Developer
16 18 (5.14%) Test Engineer
Libraries, Frameworks & Software Standards
1 127 (36.29%) .NET
2 92 (26.29%) ASP.NET
3 91 (26.00%) ASP.NET MVC
4 78 (22.29%) Spring
5 68 (19.43%) HTML
6 67 (19.14%) CSS
7 62 (17.71%) Spring Boot
8 61 (17.43%) React
9 49 (14.00%) Dropwizard
9 49 (14.00%) Node.js
10 44 (12.57%) RabbitMQ
11 43 (12.29%) .NET Framework
11 43 (12.29%) HTML5
12 40 (11.43%) AngularJS
13 39 (11.14%) Entity Framework
14 33 (9.43%) CSS3
15 26 (7.43%) jQuery
16 21 (6.00%) Web Services
17 18 (5.14%) Polymer
17 18 (5.14%) Redux
Miscellaneous
1 87 (24.86%) Enterprise Software
2 57 (16.29%) Greenfield Project
3 19 (5.43%) User Experience
4 13 (3.71%) Mobile App
5 7 (2.00%) Analytical Skills
6 6 (1.71%) RIA
7 1 (0.29%) Blog
7 1 (0.29%) N-Tier
7 1 (0.29%) Virtual Team
Operating Systems
1 11 (3.14%) Android
2 9 (2.57%) Linux
3 7 (2.00%) Windows
4 2 (0.57%) Apple iOS
Processes & Methodologies
1 259 (74.00%) Agile Software Development
2 205 (58.57%) BDD
3 141 (40.29%) Software Engineering
4 122 (34.86%) Continuous Integration
5 102 (29.14%) MVC
6 97 (27.71%) Pair Programming
7 67 (19.14%) Test Automation
8 58 (16.57%) Continuous Delivery
8 58 (16.57%) Scrum
9 50 (14.29%) DevOps
10 48 (13.71%) Microservices
11 43 (12.29%) Unit Testing
12 40 (11.43%) Kanban
13 38 (10.86%) OO
14 34 (9.71%) Mentoring
15 32 (9.14%) SDET
16 28 (8.00%) Software Testing
17 25 (7.14%) DSDM
18 23 (6.57%) Manual Testing
19 22 (6.29%) Domain-Driven Design
Programming Languages
1 182 (52.00%) C#
2 163 (46.57%) JavaScript
3 155 (44.29%) Java
4 124 (35.43%) SQL
5 62 (17.71%) Python
6 44 (12.57%) C++
7 36 (10.29%) PHP
8 28 (8.00%) Ruby
9 26 (7.43%) Scala
10 19 (5.43%) C
10 19 (5.43%) Java 8
11 18 (5.14%) Go
12 16 (4.57%) ES6
13 11 (3.14%) VB.NET
14 10 (2.86%) Apple Swift
14 10 (2.86%) Kotlin
14 10 (2.86%) Objective-C
15 9 (2.57%) TypeScript
16 7 (2.00%) VB6
16 7 (2.00%) VBA
Qualifications
1 25 (7.14%) Security Cleared
2 20 (5.71%) SC Cleared
3 12 (3.43%) Degree
4 5 (1.43%) MCSD
4 5 (1.43%) Microsoft Certification
5 3 (0.86%) ISEB
6 1 (0.29%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 12 (3.43%) QA
System Software
1 38 (10.86%) Docker
Systems Management
1 36 (10.29%) Ansible
2 27 (7.71%) Terraform
3 19 (5.43%) Kubernetes
4 14 (4.00%) HP Quality Center
4 14 (4.00%) Puppet
5 5 (1.43%) Opscode Chef
6 3 (0.86%) Docker Swarm
Vendors
1 92 (26.29%) Microsoft
2 40 (11.43%) Google
3 26 (7.43%) Oracle
4 21 (6.00%) Xamarin
5 19 (5.43%) Sitecore
6 14 (4.00%) HP
7 8 (2.29%) Salesforce.com
7 8 (2.29%) Tableau
8 7 (2.00%) Cognos
8 7 (2.00%) Informatica
8 7 (2.00%) MuleSoft
9 1 (0.29%) Adobe
9 1 (0.29%) SAP
9 1 (0.29%) Twitter
9 1 (0.29%) Zend