Period
to 25 November 2020

The following table provides summary statistics for permanent job vacancies advertised in Yorkshire 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 25 November 2020 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
England > Yorkshire
6 months to
25 Nov 2020
Same period 2019 Same period 2018
Rank 33 40 22
Rank change year-on-year +7 -18 +6
Permanent jobs citing TDD 209 396 713
As % of all permanent jobs advertised in Yorkshire 6.54% 5.95% 8.68%
As % of the Processes & Methodologies category 7.07% 6.48% 9.43%
Number of salaries quoted 250 346 602
Median annual salary £50,000 £50,000 £45,000
Median salary % change year-on-year - +11.11% -
10th Percentile £35,000 £33,750 £32,500
90th Percentile £63,750 £65,000 £62,738
England median annual salary £60,000 £60,000 £55,000
% change year-on-year - +9.09% +4.76%

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 Yorkshire with a requirement for process or methodology skills.

All Process and Methodology Skills
Yorkshire
Permanent vacancies with a requirement for process or methodology skills 2,957 6,110 7,564
As % of all permanent IT jobs advertised in Yorkshire 92.58% 91.82% 92.10%
Number of salaries quoted 2,550 4,964 6,153
Median annual salary £47,500 £45,000 £42,500
Median salary % change year-on-year +5.56% +5.88% -
10th Percentile £31,250 £26,250 £26,250
90th Percentile £67,500 £66,425 £62,500
England median annual salary £55,122 £52,500 £52,500
% change year-on-year +4.99% - +5.00%

TDD
Job Vacancy Trend in Yorkshire

Job postings citing TDD as a proportion of all IT jobs advertised in Yorkshire.

Job vacancy trend for TDD in Yorkshire

TDD
Salary Trend in Yorkshire

3-month moving average salary quoted in jobs citing TDD in Yorkshire.

Salary trend for TDD in Yorkshire

TDD
Salary Histogram in Yorkshire

Salary distribution for jobs citing TDD in Yorkshire over the 6 months to 25 November 2020.

Salary histogram for TDD in Yorkshire

TDD
Job Locations in Yorkshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing TDD within the Yorkshire region over the 6 months to 25 November 2020. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
West Yorkshire +2 136 £50,000 -2.44% 53
South Yorkshire -1 39 £50,000 - 11
North Yorkshire +57 30 £45,000 - 2
East Yorkshire +15 5 £35,000 -22.22% 2
TDD
England

For the 6 months to 25 November 2020, 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 Yorkshire region with a requirement for TDD.

1 137 (65.55%) Agile Software Development
2 107 (51.20%) C#
3 93 (44.50%) JavaScript
4 77 (36.84%) Java
4 77 (36.84%) Software Engineering
5 76 (36.36%) BDD
6 70 (33.49%) AngularJS
7 65 (31.10%) SQL
8 63 (30.14%) Unit Testing
9 62 (29.67%) Python
10 54 (25.84%) Jenkins
11 52 (24.88%) Test Automation
12 50 (23.92%) DevOps
13 46 (22.01%) Git (software)
14 45 (21.53%) OO
15 44 (21.05%) .NET
15 44 (21.05%) HTML
15 44 (21.05%) Continuous Integration
16 39 (18.66%) RESTful
17 38 (18.18%) Azure
18 37 (17.70%) CSS
19 36 (17.22%) AWS
20 33 (15.79%) Selenium
21 31 (14.83%) C++
22 29 (13.88%) SQL Server
23 27 (12.92%) OOP
23 27 (12.92%) Docker
23 27 (12.92%) Apple iOS
24 26 (12.44%) Node.js
24 26 (12.44%) iOS Development

TDD
Co-occurring IT Skills in Yorkshire 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 18 (8.61%) Elasticsearch
1 18 (8.61%) nginx
2 3 (1.44%) Confluence
3 2 (0.96%) NServiceBus
4 1 (0.48%) Apache Spark
Applications
1 4 (1.91%) MS Visio
2 3 (1.44%) Adobe Illustrator
Cloud Services
1 38 (18.18%) Azure
2 36 (17.22%) AWS
3 18 (8.61%) GCP
4 15 (7.18%) Serverless
5 14 (6.70%) AWS CloudFormation
6 6 (2.87%) AWS Lambda
7 4 (1.91%) SaaS
8 3 (1.44%) Cloud Computing
8 3 (1.44%) Google Play
8 3 (1.44%) iTunes
9 2 (0.96%) Amazon EC2
9 2 (0.96%) Amazon S3
9 2 (0.96%) DigitalOcean
9 2 (0.96%) Logic Apps
10 1 (0.48%) Slack
Communications & Networking
1 2 (0.96%) HTTP
Database & Business Intelligence
1 29 (13.88%) SQL Server
2 23 (11.00%) PostgreSQL
3 20 (9.57%) NoSQL
4 18 (8.61%) Redis
5 12 (5.74%) Relational Database
6 7 (3.35%) Data Warehouse
6 7 (3.35%) SQL Server Analysis Services
7 5 (2.39%) MySQL
8 4 (1.91%) Azure SQL Database
8 4 (1.91%) Data Mart
8 4 (1.91%) MongoDB
9 3 (1.44%) Amazon DynamoDB
9 3 (1.44%) SQL Server Integration Services
10 2 (0.96%) Apache Cassandra
10 2 (0.96%) Big Data
11 1 (0.48%) Bigtable
11 1 (0.48%) Hadoop
11 1 (0.48%) HBase
11 1 (0.48%) Informix
11 1 (0.48%) RDBMS
Development Applications
1 54 (25.84%) Jenkins
2 46 (22.01%) Git (software)
3 33 (15.79%) Selenium
4 25 (11.96%) JIRA
5 22 (10.53%) SoapUI
6 21 (10.05%) Subversion
6 21 (10.05%) WebDriver
7 20 (9.57%) Maven
8 18 (8.61%) Mercurial
9 11 (5.26%) Liquibase
10 10 (4.78%) SpecFlow
11 8 (3.83%) TeamCity
12 7 (3.35%) Cucumber
13 5 (2.39%) Visual Studio Team System
14 3 (1.44%) Hudson
14 3 (1.44%) Moq
15 1 (0.48%) Jasmine
15 1 (0.48%) NeoLoad
15 1 (0.48%) PHPUnit
15 1 (0.48%) Ranorex
General
1 22 (10.53%) Finance
2 8 (3.83%) Games
3 6 (2.87%) Marketing
4 5 (2.39%) Retail
5 3 (1.44%) Public Sector
6 2 (0.96%) Local Government
6 2 (0.96%) Telecoms
Job Titles
1 123 (58.85%) Developer
2 70 (33.49%) Software Engineer
3 30 (14.35%) .NET Developer
4 20 (9.57%) Mobile Engineer
4 20 (9.57%) Mobile Software Engineer
4 20 (9.57%) Senior Developer
5 19 (9.09%) C# Developer
6 18 (8.61%) Python Engineer
7 17 (8.13%) Python Software Engineer
8 16 (7.66%) Developer in Test
8 16 (7.66%) Developer/Software Engineer
8 16 (7.66%) Development Engineer
8 16 (7.66%) Software Developer
8 16 (7.66%) Software Development Engineer
8 16 (7.66%) Software Test Engineer
8 16 (7.66%) Test Development Engineer
8 16 (7.66%) Test Engineer
9 15 (7.18%) C# .NET Developer
10 13 (6.22%) .NET Software Developer
11 12 (5.74%) C# Software Developer
Libraries, Frameworks & Software Standards
1 70 (33.49%) AngularJS
2 44 (21.05%) .NET
2 44 (21.05%) HTML
3 39 (18.66%) RESTful
4 37 (17.70%) CSS
5 26 (12.44%) Node.js
6 25 (11.96%) Vue.js
7 22 (10.53%) .NET Core
7 22 (10.53%) RabbitMQ
8 15 (7.18%) .NET Framework
8 15 (7.18%) Spring
9 14 (6.70%) Angular 2
9 14 (6.70%) HTML5
9 14 (6.70%) RxJS
9 14 (6.70%) Spring Boot
10 13 (6.22%) Gherkin
11 12 (5.74%) Hibernate
11 12 (5.74%) JPA
11 12 (5.74%) React
11 12 (5.74%) Spring Security
Miscellaneous
1 20 (9.57%) Algorithms
1 20 (9.57%) Data Structures
2 19 (9.09%) User Experience
3 18 (8.61%) Mobile App
4 17 (8.13%) Greenfield Project
5 7 (3.35%) Enterprise Software
5 7 (3.35%) Xbox
6 5 (2.39%) Self-Motivation
7 3 (1.44%) Graphic Design
8 2 (0.96%) NHS
9 1 (0.48%) Analytical Skills
9 1 (0.48%) Distributed Denial-of-Service
9 1 (0.48%) Smartphone
9 1 (0.48%) Virtual Team
Operating Systems
1 27 (12.92%) Apple iOS
2 25 (11.96%) Android
3 8 (3.83%) Linux
4 2 (0.96%) Windows
5 1 (0.48%) Red Hat Enterprise Linux
Processes & Methodologies
1 137 (65.55%) Agile Software Development
2 77 (36.84%) Software Engineering
3 76 (36.36%) BDD
4 63 (30.14%) Unit Testing
5 52 (24.88%) Test Automation
6 50 (23.92%) DevOps
7 45 (21.53%) OO
8 44 (21.05%) Continuous Integration
9 27 (12.92%) OOP
10 26 (12.44%) iOS Development
10 26 (12.44%) Problem-Solving
10 26 (12.44%) Test Scripting
11 25 (11.96%) Android Development
11 25 (11.96%) SOLID
12 21 (10.05%) Mobile Development
12 21 (10.05%) SDET
13 20 (9.57%) API Testing
13 20 (9.57%) Configuration Management
14 18 (8.61%) Microservices
14 18 (8.61%) MVC
Programming Languages
1 107 (51.20%) C#
2 93 (44.50%) JavaScript
3 77 (36.84%) Java
4 65 (31.10%) SQL
5 62 (29.67%) Python
6 31 (14.83%) C++
7 23 (11.00%) Apple Swift
8 21 (10.05%) Objective-C
8 21 (10.05%) TypeScript
9 17 (8.13%) Go
10 16 (7.66%) Ruby
10 16 (7.66%) Scala
11 15 (7.18%) Java 8
11 15 (7.18%) Kotlin
12 10 (4.78%) PHP
13 3 (1.44%) ES6
14 1 (0.48%) Bash Shell
14 1 (0.48%) PHP 7
14 1 (0.48%) XAML
Quality Assurance & Compliance
1 18 (8.61%) QA
2 4 (1.91%) Data Quality
System Software
1 27 (12.92%) Docker
2 1 (0.48%) VMware Infrastructure
Systems Management
1 18 (8.61%) Ansible
2 16 (7.66%) Terraform
3 15 (7.18%) Kubernetes
Vendors
1 14 (6.70%) Google
2 10 (4.78%) Microsoft
3 4 (1.91%) Adobe
4 3 (1.44%) Apple
5 2 (0.96%) Mapbox
6 1 (0.48%) VMware