Period
to 18 September 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 18 September 2020 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
England > Yorkshire
6 months to
18 Sep 2020
Same period 2019 Same period 2018
Rank 34 47 24
Rank change year-on-year +13 -23 +1
Permanent jobs citing TDD 172 435 734
As % of all permanent jobs advertised in Yorkshire 6.45% 5.79% 8.33%
As % of the Processes & Methodologies category 6.89% 6.38% 9.00%
Number of salaries quoted 214 381 650
Median annual salary £50,000 £45,000 £45,000
Median salary % change year-on-year +11.11% - +5.88%
10th Percentile £32,500 £35,000 £32,500
90th Percentile £60,000 £64,750 £61,250
England median annual salary £60,000 £57,500 £55,000
% change year-on-year +4.35% +4.55% +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 2,497 6,823 8,154
As % of all permanent IT jobs advertised in Yorkshire 93.59% 90.77% 92.53%
Number of salaries quoted 2,160 5,501 6,740
Median annual salary £45,000 £44,000 £44,000
Median salary % change year-on-year +2.27% - +3.53%
10th Percentile £31,250 £25,894 £26,000
90th Percentile £67,500 £64,750 £62,500
England median annual salary £57,500 £52,500 £50,000
% change year-on-year +9.52% +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 18 September 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 18 September 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 -3 107 £50,000 +5.26% 32
South Yorkshire +6 33 £50,000 - 4
North Yorkshire +64 25 £45,000 +2.27% 1
East Yorkshire +26 6 £35,000 -20.00% 3
TDD
England

For the 6 months to 18 September 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.

1 111 (64.53%) Agile Software Development
2 84 (48.84%) JavaScript
3 82 (47.67%) C#
4 76 (44.19%) BDD
5 61 (35.47%) Java
6 58 (33.72%) .NET
6 58 (33.72%) Software Engineering
7 53 (30.81%) SQL
7 53 (30.81%) AngularJS
8 44 (25.58%) Test Automation
9 42 (24.42%) DevOps
10 39 (22.67%) Jenkins
11 37 (21.51%) SQL Server
12 36 (20.93%) HTML
13 34 (19.77%) Python
13 34 (19.77%) .NET Core
14 33 (19.19%) MVC
15 32 (18.60%) Node.js
16 29 (16.86%) Unit Testing
17 28 (16.28%) QA
18 27 (15.70%) Git (software)
19 26 (15.12%) AWS
20 25 (14.53%) User Experience
20 25 (14.53%) OO
21 24 (13.95%) Selenium
21 24 (13.95%) RESTful
22 23 (13.37%) SDLC
22 23 (13.37%) JIRA
23 22 (12.79%) Greenfield Project
23 22 (12.79%) Serverless

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 8 (4.65%) Elasticsearch
1 8 (4.65%) nginx
2 5 (2.91%) Confluence
3 2 (1.16%) NServiceBus
4 1 (0.58%) Apache Spark
Applications
1 4 (2.33%) MS Visio
Cloud Services
1 26 (15.12%) AWS
2 22 (12.79%) Serverless
3 18 (10.47%) Azure
4 10 (5.81%) AWS Lambda
5 6 (3.49%) GCP
6 3 (1.74%) SaaS
7 2 (1.16%) Cloud Computing
7 2 (1.16%) Cloudflare
7 2 (1.16%) DigitalOcean
7 2 (1.16%) Google Play
7 2 (1.16%) iTunes
7 2 (1.16%) Logic Apps
8 1 (0.58%) Amazon ECS
Communications & Networking
1 3 (1.74%) Skype
Database & Business Intelligence
1 37 (21.51%) SQL Server
2 16 (9.30%) Relational Database
3 13 (7.56%) PostgreSQL
4 9 (5.23%) NoSQL
5 8 (4.65%) Redis
6 7 (4.07%) Data Warehouse
6 7 (4.07%) SQL Server Analysis Services
7 5 (2.91%) Azure SQL Database
8 4 (2.33%) Data Mart
8 4 (2.33%) Oracle Database
8 4 (2.33%) RDBMS
9 3 (1.74%) HBase
9 3 (1.74%) MySQL
9 3 (1.74%) SQL Server Integration Services
10 2 (1.16%) Amazon DynamoDB
10 2 (1.16%) MongoDB
11 1 (0.58%) Big Data
11 1 (0.58%) BigQuery
11 1 (0.58%) Informix
Development Applications
1 39 (22.67%) Jenkins
2 27 (15.70%) Git (software)
3 24 (13.95%) Selenium
4 23 (13.37%) JIRA
5 17 (9.88%) Maven
5 17 (9.88%) SoapUI
5 17 (9.88%) WebDriver
6 9 (5.23%) Subversion
7 8 (4.65%) Mercurial
8 7 (4.07%) Liquibase
9 6 (3.49%) TeamCity
10 5 (2.91%) Cucumber
10 5 (2.91%) SpecFlow
11 3 (1.74%) Postman
12 2 (1.16%) Mocha
13 1 (0.58%) Jasmine
13 1 (0.58%) Moq
13 1 (0.58%) NUnit
13 1 (0.58%) PHPUnit
General
1 12 (6.98%) Finance
2 9 (5.23%) Games
3 7 (4.07%) Marketing
4 5 (2.91%) Retail
5 1 (0.58%) Advertising
Job Titles
1 119 (69.19%) Developer
2 45 (26.16%) Software Engineer
3 44 (25.58%) .NET Developer
4 24 (13.95%) Senior Developer
5 20 (11.63%) Software Developer
6 18 (10.47%) C# Developer
7 16 (9.30%) C# .NET Developer
7 16 (9.30%) Developer in Test
7 16 (9.30%) Developer/Software Engineer
7 16 (9.30%) Development Engineer
7 16 (9.30%) Senior .NET Developer
7 16 (9.30%) Software Development Engineer
7 16 (9.30%) Software Test Engineer
7 16 (9.30%) Test Development Engineer
7 16 (9.30%) Test Engineer
8 15 (8.72%) JavaScript Developer
9 14 (8.14%) Lead Developer
10 13 (7.56%) .NET Software Developer
11 11 (6.40%) SQL Developer
12 10 (5.81%) C# Software Developer
Libraries, Frameworks & Software Standards
1 58 (33.72%) .NET
2 53 (30.81%) AngularJS
3 36 (20.93%) HTML
4 34 (19.77%) .NET Core
5 32 (18.60%) Node.js
6 24 (13.95%) RESTful
7 21 (12.21%) CSS
8 19 (11.05%) ASP.NET Web API
8 19 (11.05%) React
9 18 (10.47%) HTML5
10 17 (9.88%) Vue.js
11 16 (9.30%) RabbitMQ
12 14 (8.14%) Hibernate
13 13 (7.56%) .NET Framework
14 12 (6.98%) Elastic Stack
14 12 (6.98%) Web Services
15 11 (6.40%) Gherkin
16 10 (5.81%) JPA
16 10 (5.81%) Spring
16 10 (5.81%) Spring Boot
Miscellaneous
1 25 (14.53%) User Experience
2 22 (12.79%) Greenfield Project
3 13 (7.56%) Mobile App
4 12 (6.98%) Self-Motivation
5 10 (5.81%) Algorithms
5 10 (5.81%) Data Structures
6 5 (2.91%) Xbox
7 3 (1.74%) NHS
8 2 (1.16%) Cloud Native
8 2 (1.16%) Enterprise Software
8 2 (1.16%) Virtual Team
Operating Systems
1 16 (9.30%) Apple iOS
2 14 (8.14%) Android
3 5 (2.91%) Linux
4 2 (1.16%) Windows
Processes & Methodologies
1 111 (64.53%) Agile Software Development
2 76 (44.19%) BDD
3 58 (33.72%) Software Engineering
4 44 (25.58%) Test Automation
5 42 (24.42%) DevOps
6 33 (19.19%) MVC
7 29 (16.86%) Unit Testing
8 25 (14.53%) OO
9 23 (13.37%) SDLC
10 21 (12.21%) Microservices
11 20 (11.63%) Continuous Integration
12 19 (11.05%) Scrum
12 19 (11.05%) Web Development
13 18 (10.47%) OOP
14 17 (9.88%) Test Scripting
15 16 (9.30%) API Testing
15 16 (9.30%) Configuration Management
15 16 (9.30%) Problem-Solving
15 16 (9.30%) SDET
16 15 (8.72%) iOS Development
Programming Languages
1 84 (48.84%) JavaScript
2 82 (47.67%) C#
3 61 (35.47%) Java
4 53 (30.81%) SQL
5 34 (19.77%) Python
6 14 (8.14%) Apple Swift
7 12 (6.98%) Objective-C
7 12 (6.98%) TypeScript
8 10 (5.81%) C++
8 10 (5.81%) Java 8
9 8 (4.65%) Go
9 8 (4.65%) PHP
10 3 (1.74%) C
11 2 (1.16%) ES6
11 2 (1.16%) PHP 7
12 1 (0.58%) Scala
12 1 (0.58%) XAML
Qualifications
1 1 (0.58%) Computer Science Degree
1 1 (0.58%) DBS Check
1 1 (0.58%) Degree
Quality Assurance & Compliance
1 28 (16.28%) QA
2 4 (2.33%) Data Quality
System Software
1 14 (8.14%) Docker
2 1 (0.58%) VMware Infrastructure
Systems Management
1 9 (5.23%) Terraform
2 8 (4.65%) Ansible
3 1 (0.58%) Kubernetes
3 1 (0.58%) Opscode Chef
Vendors
1 10 (5.81%) Microsoft
2 8 (4.65%) Google
3 4 (2.33%) Oracle
4 2 (1.16%) Apple
5 1 (0.58%) VMware
5 1 (0.58%) Zend