Period
to 19 March 2019

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 19 March 2019 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
6 months to
19 Mar 2019
Same period 2018 Same period 2017
Rank 15 16 21
Rank change year-on-year +1 +5 +5
Permanent jobs citing TDD 356 491 479
As % of all permanent IT jobs advertised in Leeds 11.15% 9.84% 9.09%
As % of the Processes & Methodologies category 12.09% 10.37% 9.78%
Number of salaries quoted 282 459 417
Leeds median annual salary £45,000 £47,500 £47,500
Median salary % change year-on-year -5.26% - +1.06%
10th Percentile £32,500 £35,000 £32,500
90th Percentile £62,500 £60,000 £60,000
West Yorkshire median annual salary £44,000 £45,000 £46,000
% change year-on-year -2.22% -2.17% +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 2,945 4,733 4,898
As % of all permanent IT jobs advertised in Leeds 92.26% 94.83% 92.96%
Number of salaries quoted 2,509 4,012 4,277
Leeds median annual salary £45,000 £45,000 £42,500
Median salary % change year-on-year - +5.88% -
10th Percentile £28,750 £30,000 £26,250
90th Percentile £66,250 £62,500 £60,000
West Yorkshire median annual salary £43,500 £44,000 £42,500
% change year-on-year -1.14% +3.53% +1.19%

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 19 March 2019.

Salary histogram for TDD in Leeds

For the 6 months to 19 March 2019, 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.

1 251 (70.51%) Agile Software Development
2 217 (60.96%) BDD
3 186 (52.25%) C#
4 184 (51.69%) JavaScript
5 164 (46.07%) SQL
6 158 (44.38%) Software Engineering
7 136 (38.20%) .NET
8 130 (36.52%) Continuous Integration
9 128 (35.96%) Java
10 123 (34.55%) MVC
11 113 (31.74%) ASP.NET
12 110 (30.90%) ASP.NET MVC
13 108 (30.34%) Pair Programming
14 103 (28.93%) Microsoft
15 101 (28.37%) Enterprise Software
16 88 (24.72%) Jenkins
17 74 (20.79%) Continuous Delivery
17 74 (20.79%) HTML
18 73 (20.51%) Selenium
19 71 (19.94%) React
20 69 (19.38%) Git (software)
21 64 (17.98%) Python
22 63 (17.70%) Test Automation
22 63 (17.70%) Microservices
23 62 (17.42%) CSS
24 61 (17.13%) Scrum
24 61 (17.13%) Node.js
25 58 (16.29%) Kanban
26 55 (15.45%) SQL Server
26 55 (15.45%) Spring

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 29 (8.15%) Elasticsearch
1 29 (8.15%) nginx
2 14 (3.93%) Apache
2 14 (3.93%) Apache Spark
3 3 (0.84%) Tomcat
4 2 (0.56%) Cloud Foundry
4 2 (0.56%) Confluence
4 2 (0.56%) Mule
5 1 (0.28%) IIS
5 1 (0.28%) NServiceBus
Business Applications
1 2 (0.56%) Dynamics CRM
Cloud Services
1 50 (14.04%) Microsoft Azure
2 35 (9.83%) G Suite
2 35 (9.83%) Office 365
3 28 (7.87%) Amazon AWS
4 19 (5.34%) Google Cloud Platform
5 4 (1.12%) GitHub
5 4 (1.12%) SaaS
6 3 (0.84%) NuGet
7 2 (0.56%) Adobe Analytics
7 2 (0.56%) Slack
7 2 (0.56%) Yarn
8 1 (0.28%) Cloudflare
8 1 (0.28%) IaaS
8 1 (0.28%) PaaS
8 1 (0.28%) Serverless
Communications & Networking
1 8 (2.25%) Internet
2 1 (0.28%) HTTP
Database & Business Intelligence
1 55 (15.45%) SQL Server
2 47 (13.20%) NoSQL
3 39 (10.96%) PostgreSQL
4 31 (8.71%) Redis
5 28 (7.87%) MongoDB
6 16 (4.49%) Riak
7 14 (3.93%) Hadoop
8 13 (3.65%) GIS
8 13 (3.65%) MySQL
9 11 (3.09%) Apache Cassandra
9 11 (3.09%) CouchDB
10 5 (1.40%) Big Data
10 5 (1.40%) Relational Database
11 4 (1.12%) SQL Server 2012
12 3 (0.84%) Apache Hive
13 2 (0.56%) Azure SQL Data Warehouse
13 2 (0.56%) Data Warehouse
13 2 (0.56%) RavenDB
13 2 (0.56%) SQL Server 2008
Development Applications
1 88 (24.72%) Jenkins
2 73 (20.51%) Selenium
3 69 (19.38%) Git (software)
4 51 (14.33%) SoapUI
5 42 (11.80%) Cucumber
6 41 (11.52%) JIRA
7 37 (10.39%) JMeter
8 32 (8.99%) Subversion
9 29 (8.15%) Mercurial
10 28 (7.87%) Team Foundation Server
11 26 (7.30%) WebDriver
12 20 (5.62%) Maven
13 18 (5.06%) LoadRunner
14 17 (4.78%) Appium
14 17 (4.78%) Atlassian Bamboo
14 17 (4.78%) Gatling
14 17 (4.78%) NeoLoad
14 17 (4.78%) Ranorex
14 17 (4.78%) WATIR
14 17 (4.78%) WebLOAD
General
1 47 (13.20%) Finance
2 38 (10.67%) Retail
3 12 (3.37%) Banking
4 5 (1.40%) Telecoms
5 1 (0.28%) French Language
5 1 (0.28%) German Language
5 1 (0.28%) Legal
Job Titles
1 295 (82.87%) Developer
2 112 (31.46%) C# Developer
3 67 (18.82%) Java Developer
4 61 (17.13%) .NET Developer
5 57 (16.01%) Senior Developer
6 50 (14.04%) C# .NET Developer
7 47 (13.20%) Software Developer
8 45 (12.64%) ASP.NET MVC Developer
8 45 (12.64%) Software Engineer
9 43 (12.08%) Python Developer
10 42 (11.80%) ASP.NET Developer
10 42 (11.80%) C# ASP.NET Developer
11 33 (9.27%) Developer in Test
12 31 (8.71%) Developer/Software Engineer
13 26 (7.30%) JavaScript Developer
14 22 (6.18%) React Developer
15 20 (5.62%) Senior JavaScript Developer
15 20 (5.62%) Test Engineer
16 18 (5.06%) Analyst
16 18 (5.06%) Test Analyst
Libraries, Frameworks & Software Standards
1 136 (38.20%) .NET
2 113 (31.74%) ASP.NET
3 110 (30.90%) ASP.NET MVC
4 74 (20.79%) HTML
5 71 (19.94%) React
6 62 (17.42%) CSS
7 61 (17.13%) Node.js
8 55 (15.45%) Spring
9 54 (15.17%) .NET Framework
10 53 (14.89%) Entity Framework
11 48 (13.48%) AngularJS
12 45 (12.64%) Spring Boot
13 41 (11.52%) HTML5
14 39 (10.96%) Dropwizard
15 35 (9.83%) RabbitMQ
16 24 (6.74%) ASP.NET Web API
16 24 (6.74%) CSS3
17 20 (5.62%) jQuery
18 19 (5.34%) RESTful
19 18 (5.06%) REST
Miscellaneous
1 101 (28.37%) Enterprise Software
2 53 (14.89%) Greenfield Project
3 20 (5.62%) User Experience
4 15 (4.21%) Mobile App
5 8 (2.25%) RIA
6 2 (0.56%) Blog
6 2 (0.56%) Online Banking
7 1 (0.28%) Analytical Skills
7 1 (0.28%) Cloud Native
7 1 (0.28%) Fintech
7 1 (0.28%) N-Tier
7 1 (0.28%) Public Cloud
7 1 (0.28%) Self-Motivation
7 1 (0.28%) Virtual Team
Operating Systems
1 13 (3.65%) Linux
2 6 (1.69%) Android
3 4 (1.12%) Windows
4 3 (0.84%) Unix
5 2 (0.56%) Apple iOS
5 2 (0.56%) Mac OS
5 2 (0.56%) Red Hat Enterprise Linux
5 2 (0.56%) zOS
6 1 (0.28%) Windows Server 2008
6 1 (0.28%) Windows Server 2012
Processes & Methodologies
1 251 (70.51%) Agile Software Development
2 217 (60.96%) BDD
3 158 (44.38%) Software Engineering
4 130 (36.52%) Continuous Integration
5 123 (34.55%) MVC
6 108 (30.34%) Pair Programming
7 74 (20.79%) Continuous Delivery
8 63 (17.70%) Microservices
8 63 (17.70%) Test Automation
9 61 (17.13%) Scrum
10 58 (16.29%) Kanban
11 51 (14.33%) DevOps
11 51 (14.33%) Mentoring
12 44 (12.36%) OO
13 39 (10.96%) Unit Testing
14 35 (9.83%) DSDM
14 35 (9.83%) Software Testing
15 33 (9.27%) SDET
16 31 (8.71%) Manual Testing
17 26 (7.30%) API Testing
Programming Languages
1 186 (52.25%) C#
2 184 (51.69%) JavaScript
3 164 (46.07%) SQL
4 128 (35.96%) Java
5 64 (17.98%) Python
6 42 (11.80%) C++
7 31 (8.71%) Scala
8 29 (8.15%) Ruby
9 24 (6.74%) C
9 24 (6.74%) PHP
10 16 (4.49%) Go
11 14 (3.93%) ES6
12 13 (3.65%) Kotlin
13 11 (3.09%) Java 8
14 7 (1.97%) TypeScript
15 4 (1.12%) Groovy
15 4 (1.12%) T-SQL
16 2 (0.56%) Bash Shell
16 2 (0.56%) VB.NET
17 1 (0.28%) Apple Swift
Qualifications
1 28 (7.87%) Security Cleared
2 27 (7.58%) SC Cleared
3 5 (1.40%) Degree
4 1 (0.28%) ISEB
4 1 (0.28%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 5 (1.40%) QA
2 2 (0.56%) WCAG
System Software
1 17 (4.78%) Docker
Systems Management
1 31 (8.71%) Ansible
2 21 (5.90%) Terraform
3 18 (5.06%) HP Quality Center
4 14 (3.93%) Kubernetes
5 7 (1.97%) Puppet
6 2 (0.56%) Hadoop YARN
6 2 (0.56%) Rancher
7 1 (0.28%) Docker Swarm
Vendors
1 103 (28.93%) Microsoft
2 55 (15.45%) Google
3 30 (8.43%) Sitecore
4 18 (5.06%) HP
5 10 (2.81%) Tableau
6 6 (1.69%) Xamarin
7 5 (1.40%) Oracle
8 2 (0.56%) Adobe
8 2 (0.56%) AppDynamics
8 2 (0.56%) Cadence
8 2 (0.56%) Salesforce.com
8 2 (0.56%) Splunk
9 1 (0.28%) Zend