Period
to 2 March 2021

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 2 March 2021 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
England > Yorkshire
6 months to
2 Mar 2021
Same period 2020 Same period 2019
Rank 36 25 20
Rank change year-on-year -11 -5 +4
Permanent jobs citing TDD 265 433 642
As % of all permanent jobs advertised in Yorkshire 6.06% 7.16% 8.83%
As % of the Processes & Methodologies category 6.52% 7.86% 9.53%
Number of salaries quoted 305 412 567
Median annual salary £52,500 £50,000 £44,000
Median salary % change year-on-year +5.00% +13.64% -2.22%
10th Percentile £37,500 £33,750 £32,500
90th Percentile £65,000 £67,500 £62,500
England median annual salary £60,000 £60,000 £55,000
% change year-on-year - +9.09% +10.00%

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 4,067 5,507 6,740
As % of all permanent IT jobs advertised in Yorkshire 92.94% 91.04% 92.71%
Number of salaries quoted 3,349 4,577 5,543
Median annual salary £47,500 £45,000 £43,000
Median salary % change year-on-year +5.56% +4.65% +1.18%
10th Percentile £29,215 £27,500 £26,250
90th Percentile £67,500 £68,750 £63,750
England median annual salary £55,000 £55,000 £52,500
% change year-on-year - +4.76% +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 2 March 2021.

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 2 March 2021. 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 -7 197 £52,500 +5.00% 64
South Yorkshire -11 48 £55,000 +10.00% 8
North Yorkshire +10 19 £47,500 +5.56% 3
East Yorkshire -9 1 £47,500 +35.71%
TDD
England

For the 6 months to 2 March 2021, 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.

1 180 (67.92%) Agile Software Development
2 139 (52.45%) JavaScript
3 129 (48.68%) C#
4 111 (41.89%) Software Engineering
5 105 (39.62%) Java
6 89 (33.58%) Python
7 87 (32.83%) AngularJS
8 81 (30.57%) Unit Testing
9 78 (29.43%) Azure
10 74 (27.92%) AWS
11 69 (26.04%) HTML
12 68 (25.66%) Docker
13 67 (25.28%) C++
14 63 (23.77%) SQL
14 63 (23.77%) CSS
14 63 (23.77%) DevOps
15 60 (22.64%) Vue.js
15 60 (22.64%) SOLID
16 59 (22.26%) BDD
16 59 (22.26%) Continuous Integration
16 59 (22.26%) Git (software)
17 56 (21.13%) Kubernetes
18 55 (20.75%) OO
18 55 (20.75%) .NET
19 52 (19.62%) Jenkins
20 51 (19.25%) OOP
21 44 (16.60%) Terraform
22 43 (16.23%) Kotlin
22 43 (16.23%) Go
22 43 (16.23%) Ruby

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 28 (10.57%) Elasticsearch
2 26 (9.81%) nginx
3 6 (2.26%) Apache Spark
4 5 (1.89%) IIS
5 3 (1.13%) Confluence
6 2 (0.75%) Kentico
6 2 (0.75%) NServiceBus
7 1 (0.38%) Apache
7 1 (0.38%) Apache Synapse
7 1 (0.38%) JBoss
7 1 (0.38%) Jetty
7 1 (0.38%) Tomcat
7 1 (0.38%) WebLogic
7 1 (0.38%) WebSphere
Applications
1 7 (2.64%) Adobe Illustrator
Business Applications
1 3 (1.13%) Magento
2 2 (0.75%) SAP Business One
Cloud Services
1 78 (29.43%) Azure
2 74 (27.92%) AWS
3 41 (15.47%) AWS CloudFormation
3 41 (15.47%) GCP
4 13 (4.91%) SaaS
5 10 (3.77%) Serverless
6 6 (2.26%) Slack
7 4 (1.51%) AWS Lambda
7 4 (1.51%) Microsoft 365
8 3 (1.13%) Google Play
8 3 (1.13%) iTunes
9 2 (0.75%) Amazon EC2
9 2 (0.75%) Amazon S3
9 2 (0.75%) Cloud Computing
9 2 (0.75%) Logic Apps
9 2 (0.75%) Power Platform
10 1 (0.38%) Amazon Alexa
10 1 (0.38%) Azure Data Factory
10 1 (0.38%) Azure Functions
10 1 (0.38%) GitHub
Communications & Networking
1 3 (1.13%) HTTP
2 1 (0.38%) AMQP
2 1 (0.38%) Bluetooth
2 1 (0.38%) Wi-Fi
2 1 (0.38%) Wireless
2 1 (0.38%) ZigBee
Database & Business Intelligence
1 37 (13.96%) PostgreSQL
2 33 (12.45%) NoSQL
3 29 (10.94%) Redis
4 22 (8.30%) MySQL
4 22 (8.30%) SQL Server
5 15 (5.66%) Big Data
6 8 (3.02%) Relational Database
7 7 (2.64%) Hadoop
8 6 (2.26%) MongoDB
9 2 (0.75%) Amazon DynamoDB
9 2 (0.75%) Apache Cassandra
9 2 (0.75%) Power BI
9 2 (0.75%) SQL Server Integration Services
10 1 (0.38%) Azure SQL Data Warehouse
10 1 (0.38%) Azure SQL Database
10 1 (0.38%) Bigtable
10 1 (0.38%) Couchbase
10 1 (0.38%) Data Lake
10 1 (0.38%) Enterprise Data Warehouse
10 1 (0.38%) Riak
Development Applications
1 59 (22.26%) Git (software)
2 52 (19.62%) Jenkins
3 29 (10.94%) Subversion
4 26 (9.81%) Mercurial
5 15 (5.66%) Selenium
6 11 (4.15%) Maven
7 10 (3.77%) SoapUI
8 8 (3.02%) Cucumber
8 8 (3.02%) JIRA
9 7 (2.64%) Liquibase
10 6 (2.26%) PHPUnit
10 6 (2.26%) SpecFlow
10 6 (2.26%) Visual Studio Team System
11 5 (1.89%) Gradle
11 5 (1.89%) SonarQube
11 5 (1.89%) Team Foundation Server
11 5 (1.89%) Visual Studio
11 5 (1.89%) WebDriver
12 4 (1.51%) CircleCI
12 4 (1.51%) GitLab
General
1 18 (6.79%) Finance
2 15 (5.66%) Games
3 9 (3.40%) Public Sector
4 5 (1.89%) Banking
5 3 (1.13%) Local Government
5 3 (1.13%) Marketing
5 3 (1.13%) Telecoms
6 2 (0.75%) Legal
6 2 (0.75%) Manufacturing
7 1 (0.38%) Automotive
7 1 (0.38%) Electronics
Job Titles
1 134 (50.57%) Developer
2 92 (34.72%) Software Engineer
3 35 (13.21%) .NET Developer
4 33 (12.45%) Senior Developer
5 26 (9.81%) Python Engineer
5 26 (9.81%) Python Software Engineer
6 19 (7.17%) Front End Developer (Client-Side Developer)
6 19 (7.17%) Senior .NET Developer
7 18 (6.79%) C# Developer
8 15 (5.66%) C# .NET Developer
9 14 (5.28%) Mobile Engineer
9 14 (5.28%) Mobile Software Engineer
9 14 (5.28%) Software Developer
10 13 (4.91%) PHP Developer
11 11 (4.15%) ASP.NET MVC Developer
12 10 (3.77%) Senior C# .NET Developer
12 10 (3.77%) Senior C# Developer
13 9 (3.40%) Analyst
13 9 (3.40%) Angular Developer
13 9 (3.40%) Business Analyst
Libraries, Frameworks & Software Standards
1 87 (32.83%) AngularJS
2 69 (26.04%) HTML
3 63 (23.77%) CSS
4 60 (22.64%) Vue.js
5 55 (20.75%) .NET
6 36 (13.58%) RESTful
7 30 (11.32%) RabbitMQ
8 29 (10.94%) React
9 25 (9.43%) ASP.NET
10 21 (7.92%) .NET Core
11 18 (6.79%) .NET Framework
11 18 (6.79%) Node.js
11 18 (6.79%) Spring
12 16 (6.04%) HTML5
13 15 (5.66%) jQuery
13 15 (5.66%) Spring Boot
14 12 (4.53%) Angular 2
14 12 (4.53%) RxJS
15 11 (4.15%) ASP.NET Web API
16 10 (3.77%) Laravel
Miscellaneous
1 19 (7.17%) User Experience
2 16 (6.04%) Mobile App
3 14 (5.28%) Algorithms
3 14 (5.28%) Data Structures
3 14 (5.28%) Greenfield Project
4 8 (3.02%) Enterprise Software
5 7 (2.64%) Graphic Design
6 5 (1.89%) Smartphone
7 4 (1.51%) Cloud Native
7 4 (1.51%) Xbox
8 3 (1.13%) NHS
9 1 (0.38%) Analytical Skills
9 1 (0.38%) Distributed Denial-of-Service
9 1 (0.38%) Embedded Systems
9 1 (0.38%) Smart Home
9 1 (0.38%) Virtual Team
Operating Systems
1 20 (7.55%) Android
2 19 (7.17%) Apple iOS
3 7 (2.64%) Linux
4 2 (0.75%) Windows
5 1 (0.38%) Embedded Linux
5 1 (0.38%) FreeRTOS
5 1 (0.38%) Red Hat Enterprise Linux
5 1 (0.38%) Unix
Processes & Methodologies
1 180 (67.92%) Agile Software Development
2 111 (41.89%) Software Engineering
3 81 (30.57%) Unit Testing
4 63 (23.77%) DevOps
5 60 (22.64%) SOLID
6 59 (22.26%) BDD
6 59 (22.26%) Continuous Integration
7 55 (20.75%) OO
8 51 (19.25%) OOP
9 42 (15.85%) Test Automation
10 40 (15.09%) Don't repeat yourself (DRY)
11 34 (12.83%) Scrum
12 27 (10.19%) MVC
13 23 (8.68%) Problem-Solving
14 21 (7.92%) E-Commerce
14 21 (7.92%) Front End Development
15 20 (7.55%) Android Development
15 20 (7.55%) Mentoring
15 20 (7.55%) Microservices
16 19 (7.17%) iOS Development
Programming Languages
1 139 (52.45%) JavaScript
2 129 (48.68%) C#
3 105 (39.62%) Java
4 89 (33.58%) Python
5 67 (25.28%) C++
6 63 (23.77%) SQL
7 43 (16.23%) Go
7 43 (16.23%) Kotlin
7 43 (16.23%) Ruby
8 42 (15.85%) Scala
9 24 (9.06%) TypeScript
10 20 (7.55%) PHP
11 14 (5.28%) Apple Swift
11 14 (5.28%) Objective-C
12 12 (4.53%) Java 8
13 8 (3.02%) PHP 7
13 8 (3.02%) T-SQL
14 3 (1.13%) C
14 3 (1.13%) ES6
15 1 (0.38%) PL/SQL
Qualifications
1 1 (0.38%) Security Cleared
Quality Assurance & Compliance
1 15 (5.66%) QA
2 1 (0.38%) Data Quality
System Software
1 68 (25.66%) Docker
2 1 (0.38%) Firmware
Systems Management
1 56 (21.13%) Kubernetes
2 44 (16.60%) Terraform
3 28 (10.57%) Ansible
4 1 (0.38%) Cobbler
4 1 (0.38%) Opscode Chef
4 1 (0.38%) Puppet
Vendors
1 11 (4.15%) Google
2 8 (3.02%) Adobe
3 7 (2.64%) Microsoft
4 3 (1.13%) Apple
4 3 (1.13%) Mapbox
5 2 (0.75%) Sage
5 2 (0.75%) Salesforce.com
5 2 (0.75%) SAP
6 1 (0.38%) Databricks
6 1 (0.38%) IBM
6 1 (0.38%) TIBCO