Period
to 20 January 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 20 January 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
6 months to
20 Jan 2018
Same period 2017 Same period 2016
Rank 20 24 27
Rank change year-on-year +4 +3 +35
Permanent jobs citing TDD 390 430 524
As % of all permanent IT jobs advertised in Leeds 8.22% 8.08% 7.70%
As % of the Processes & Methodologies category 8.87% 8.94% 8.45%
Number of salaries quoted 354 374 436
Leeds median annual salary £47,500 £47,500 £45,500
Median salary % change year-on-year - +4.40% +13.75%
10th Percentile £35,000 £33,750 £33,000
90th Percentile £60,000 £59,625 £60,000
West Yorkshire median annual salary £45,000 £46,000 £45,000
% change year-on-year -2.17% +2.22% +12.50%

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 4,397 4,811 6,199
As % of all permanent IT jobs advertised in Leeds 92.69% 90.45% 91.13%
Number of salaries quoted 3,732 4,120 5,028
Leeds median annual salary £45,000 £42,500 £42,500
Median salary % change year-on-year +5.88% - +6.25%
10th Percentile £28,750 £26,750 £27,500
90th Percentile £62,500 £60,000 £61,250
West Yorkshire median annual salary £43,000 £42,500 £42,500
% change year-on-year +1.18% - +6.25%

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 20 January 2018.

Salary histogram for TDD in Leeds

For the 6 months to 20 January 2018, 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 Leeds region with a requirement for TDD.

1 311 (79.74%) Agile Software Development
2 199 (51.03%) C#
3 198 (50.77%) BDD
4 181 (46.41%) Java
5 151 (38.72%) JavaScript
6 133 (34.10%) .NET
7 128 (32.82%) MVC
8 120 (30.77%) Test Automation
9 118 (30.26%) CSS
10 112 (28.72%) HTML
11 111 (28.46%) Scrum
12 104 (26.67%) AngularJS
13 99 (25.38%) SQL
13 99 (25.38%) ASP.NET
14 96 (24.62%) Git (software)
15 94 (24.10%) OO
16 91 (23.33%) ASP.NET MVC
17 88 (22.56%) Software Engineering
18 81 (20.77%) Continuous Integration
18 81 (20.77%) Node.js
19 80 (20.51%) Selenium
20 76 (19.49%) Jenkins
21 72 (18.46%) Cucumber
22 68 (17.44%) Kanban
23 67 (17.18%) Greenfield Project
24 66 (16.92%) SQL Server
25 63 (16.15%) PHP
26 59 (15.13%) Microsoft
27 57 (14.62%) Python
27 57 (14.62%) Docker

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 10 (2.56%) Apache
1 10 (2.56%) Elasticsearch
2 9 (2.31%) nginx
2 9 (2.31%) Tomcat
3 8 (2.05%) Confluence
3 8 (2.05%) JBoss
3 8 (2.05%) Jetty
3 8 (2.05%) WebLogic
4 6 (1.54%) CMS
5 4 (1.03%) Apache Spark
5 4 (1.03%) SharePoint
5 4 (1.03%) SharePoint 2013
5 4 (1.03%) Tornado
6 1 (0.26%) IIS
Cloud Services
1 29 (7.44%) GitHub
2 27 (6.92%) Amazon AWS
3 20 (5.13%) Microsoft Azure
4 10 (2.56%) G Suite
4 10 (2.56%) Office 365
5 8 (2.05%) Slack
6 6 (1.54%) PaaS
7 5 (1.28%) Google Cloud Platform
8 3 (0.77%) npm
9 2 (0.51%) SaaS
10 1 (0.26%) IaaS
Communications & Networking
1 5 (1.28%) PPP
2 4 (1.03%) AMQP
3 3 (0.77%) Internet
Database & Business Intelligence
1 66 (16.92%) SQL Server
2 52 (13.33%) MySQL
3 41 (10.51%) NoSQL
4 28 (7.18%) MongoDB
5 16 (4.10%) Redis
6 14 (3.59%) Apache Cassandra
6 14 (3.59%) Riak
7 12 (3.08%) PostgreSQL
8 11 (2.82%) Hadoop
9 10 (2.56%) Big Data
9 10 (2.56%) SQL Server 2014
10 9 (2.31%) SQL Server 2016
11 8 (2.05%) Couchbase
11 8 (2.05%) SQL Server Integration Services
12 7 (1.79%) Relational Database
12 7 (1.79%) SQL Server 2008
13 4 (1.03%) BigQuery
13 4 (1.03%) Event Store
13 4 (1.03%) SQL Server 2005
13 4 (1.03%) SQL Server Analysis Services
Development Applications
1 96 (24.62%) Git (software)
2 80 (20.51%) Selenium
3 76 (19.49%) Jenkins
4 72 (18.46%) Cucumber
5 47 (12.05%) WebDriver
6 44 (11.28%) Subversion
7 29 (7.44%) JIRA
8 21 (5.38%) SoapUI
9 20 (5.13%) Atlassian Bamboo
9 20 (5.13%) Mercurial
10 19 (4.87%) Maven
11 17 (4.36%) SpecFlow
12 16 (4.10%) Buildbot
12 16 (4.10%) PHPUnit
12 16 (4.10%) Ranorex
13 15 (3.85%) Appium
14 12 (3.08%) Octopus Deploy
15 11 (2.82%) JMeter
16 10 (2.56%) NUnit
16 10 (2.56%) Vagrant
General
1 37 (9.49%) Finance
2 21 (5.38%) Retail
3 9 (2.31%) Advertising
3 9 (2.31%) Games
4 7 (1.79%) Legal
4 7 (1.79%) Telecoms
5 2 (0.51%) Pharmaceutical
6 1 (0.26%) Automotive
6 1 (0.26%) Banking
Job Titles
1 250 (64.10%) Developer
2 85 (21.79%) .NET Developer
3 74 (18.97%) Java Developer
4 62 (15.90%) Senior Developer
5 47 (12.05%) C# Developer
6 39 (10.00%) Automation Tester
6 39 (10.00%) Tester
7 36 (9.23%) C# .NET Developer
8 28 (7.18%) ASP.NET Developer
9 26 (6.67%) C# ASP.NET Developer
9 26 (6.67%) Lead Developer
9 26 (6.67%) Software Engineer
10 24 (6.15%) Agile Developer
10 24 (6.15%) Senior Java Developer
11 22 (5.64%) PHP Developer
11 22 (5.64%) Software Developer
11 22 (5.64%) Test Engineer
12 20 (5.13%) Analyst
12 20 (5.13%) Junior
12 20 (5.13%) Test Analyst
Libraries, Frameworks & Software Standards
1 133 (34.10%) .NET
2 118 (30.26%) CSS
3 112 (28.72%) HTML
4 104 (26.67%) AngularJS
5 99 (25.38%) ASP.NET
6 91 (23.33%) ASP.NET MVC
7 81 (20.77%) Node.js
8 49 (12.56%) Spring
9 41 (10.51%) Gherkin
10 39 (10.00%) .NET Framework
10 39 (10.00%) jQuery
11 37 (9.49%) React
12 35 (8.97%) LAMP
13 33 (8.46%) HTML5
14 31 (7.95%) Entity Framework
15 29 (7.44%) ASP.NET Web API
16 25 (6.41%) Ajax
16 25 (6.41%) Spring Boot
17 23 (5.90%) WCF
18 21 (5.38%) Laravel
Miscellaneous
1 67 (17.18%) Greenfield Project
2 26 (6.67%) Enterprise Software
3 17 (4.36%) User Experience
4 13 (3.33%) Analytical Skills
5 11 (2.82%) Computer Science
6 10 (2.56%) Music Streaming
7 6 (1.54%) Data Centre
7 6 (1.54%) Linux Command Line
8 4 (1.03%) CCTV
8 4 (1.03%) Mobile App
8 4 (1.03%) N-Tier
9 3 (0.77%) FMCG
9 3 (0.77%) Internet of Things
9 3 (0.77%) Machine to Machine
9 3 (0.77%) Social Media
10 2 (0.51%) Digital Media
10 2 (0.51%) Video\Live Streaming
11 1 (0.26%) Fintech
11 1 (0.26%) Management Information System
11 1 (0.26%) NHS
Operating Systems
1 16 (4.10%) Linux
2 6 (1.54%) Android
3 5 (1.28%) Apple iOS
4 4 (1.03%) Windows
5 3 (0.77%) CentOS
5 3 (0.77%) Fedora
5 3 (0.77%) Unix
Processes & Methodologies
1 311 (79.74%) Agile Software Development
2 198 (50.77%) BDD
3 128 (32.82%) MVC
4 120 (30.77%) Test Automation
5 111 (28.46%) Scrum
6 94 (24.10%) OO
7 88 (22.56%) Software Engineering
8 81 (20.77%) Continuous Integration
9 68 (17.44%) Kanban
10 45 (11.54%) Test Scripting
11 42 (10.77%) Pair Programming
12 41 (10.51%) SDLC
13 40 (10.26%) Unit Testing
14 38 (9.74%) Open Source
15 35 (8.97%) DSDM
16 33 (8.46%) DevOps
16 33 (8.46%) Mentoring
17 32 (8.21%) Configuration Management
17 32 (8.21%) Domain-Driven Design
18 26 (6.67%) Software Testing
Programming Languages
1 199 (51.03%) C#
2 181 (46.41%) Java
3 151 (38.72%) JavaScript
4 99 (25.38%) SQL
5 63 (16.15%) PHP
6 57 (14.62%) Python
7 52 (13.33%) Ruby
8 36 (9.23%) C++
9 28 (7.18%) Scala
10 24 (6.15%) C
11 12 (3.08%) Go
11 12 (3.08%) T-SQL
12 7 (1.79%) Bash Shell
13 6 (1.54%) PHP 7
13 6 (1.54%) TypeScript
14 5 (1.28%) Java 9
14 5 (1.28%) Objective-C
15 3 (0.77%) PHP 5
16 2 (0.51%) VB
16 2 (0.51%) VB6
Qualifications
1 16 (4.10%) ISEB
2 9 (2.31%) Degree
3 7 (1.79%) ISTQB
3 7 (1.79%) SC Cleared
3 7 (1.79%) Security Cleared
4 5 (1.28%) Computer Science Degree
Quality Assurance & Compliance
1 10 (2.56%) QA
System Software
1 57 (14.62%) Docker
Systems Management
1 28 (7.18%) Ansible
2 26 (6.67%) Puppet
3 23 (5.90%) Opscode Chef
4 12 (3.08%) Kubernetes
5 6 (1.54%) Docker Swarm
6 4 (1.03%) Grafana
7 2 (0.51%) HP Quality Center
7 2 (0.51%) Rancher
7 2 (0.51%) Terraform
Vendors
1 59 (15.13%) Microsoft
2 24 (6.15%) Oracle
3 21 (5.38%) Google
3 21 (5.38%) Zend
4 8 (2.05%) Salesforce.com
5 4 (1.03%) Atlassian
5 4 (1.03%) Splunk
5 4 (1.03%) Twitter
6 3 (0.77%) Red Hat
7 2 (0.51%) Adobe
7 2 (0.51%) HP
8 1 (0.26%) Rackspace
8 1 (0.26%) Xamarin