Period
to 14 May 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 14 May 2021 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
England > Yorkshire
6 months to
14 May 2021
Same period 2020 Same period 2019
Rank 36 26 31
Rank change year-on-year -10 +5 -8
Permanent jobs citing TDD 320 340 587
As % of all permanent jobs advertised in Yorkshire 6.13% 7.03% 7.89%
As % of the Processes & Methodologies category 6.53% 7.72% 8.62%
Number of salaries quoted 276 302 490
10th Percentile £37,500 £33,750 £32,500
25th Percentile £43,750 £38,750 £37,000
Median annual salary (50th Percentile) £54,653 £50,000 £45,000
Median % change year-on-year +9.31% +11.11% -
75th Percentile £63,750 £58,750 £55,000
90th Percentile £77,500 £67,500 £60,125
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 4,898 4,404 6,808
As % of all permanent IT jobs advertised in Yorkshire 93.76% 91.10% 91.54%
Number of salaries quoted 3,929 3,756 5,606
10th Percentile £29,750 £28,000 £25,500
25th Percentile £37,000 £35,000 £32,500
Median annual salary (50th Percentile) £47,500 £47,500 £42,500
Median % change year-on-year - +11.76% -
75th Percentile £61,250 £57,500 £53,938
90th Percentile £70,000 £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 14 May 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 14 May 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 -4 257 £52,500 +5.00% 48
South Yorkshire -33 43 £57,500 +15.00% 8
North Yorkshire +6 18 £43,750 -12.50% 6
East Yorkshire -17 2 £47,500 +35.71% 1
TDD
England

For the 6 months to 14 May 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.

1 223 (69.69%) Agile Software Development
2 173 (54.06%) JavaScript
3 162 (50.63%) Java
4 152 (47.50%) C#
5 119 (37.19%) AWS
6 116 (36.25%) Software Engineering
7 108 (33.75%) AngularJS
8 103 (32.19%) Python
9 99 (30.94%) Azure
10 89 (27.81%) BDD
11 88 (27.50%) Docker
12 87 (27.19%) Scrum
13 82 (25.63%) C++
13 82 (25.63%) HTML
14 80 (25.00%) DevOps
14 80 (25.00%) Kubernetes
15 79 (24.69%) Unit Testing
16 75 (23.44%) Vue.js
17 72 (22.50%) CSS
18 71 (22.19%) .NET
19 69 (21.56%) Test Automation
19 69 (21.56%) SOLID
20 65 (20.31%) SQL
21 62 (19.38%) Terraform
22 60 (18.75%) OOP
23 59 (18.44%) Continuous Integration
24 57 (17.81%) Git (software)
24 57 (17.81%) GCP
24 57 (17.81%) Jenkins
25 55 (17.19%) Scala

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 39 (12.19%) Elasticsearch
2 30 (9.38%) nginx
3 26 (8.13%) Oracle Workflow
4 11 (3.44%) Apache Spark
5 10 (3.13%) IIS
6 5 (1.56%) Apache
6 5 (1.56%) Apache Synapse
7 3 (0.94%) Confluence
8 2 (0.63%) CMS
8 2 (0.63%) Kentico
8 2 (0.63%) Tomcat
9 1 (0.31%) JBoss
9 1 (0.31%) Jetty
9 1 (0.31%) NServiceBus
9 1 (0.31%) WebLogic
9 1 (0.31%) WebSphere
Applications
1 8 (2.50%) Adobe Illustrator
2 1 (0.31%) Microsoft Excel
Business Applications
1 3 (0.94%) Magento
2 2 (0.63%) SAP Business One
Cloud Services
1 119 (37.19%) AWS
2 99 (30.94%) Azure
3 57 (17.81%) GCP
4 53 (16.56%) AWS CloudFormation
5 16 (5.00%) Serverless
6 12 (3.75%) SaaS
7 7 (2.19%) Power Platform
8 6 (1.88%) Azure Data Factory
8 6 (1.88%) Azure Synapse Analytics
8 6 (1.88%) GitHub
9 5 (1.56%) AWS Lambda
9 5 (1.56%) Azure Functions
9 5 (1.56%) Microsoft 365
9 5 (1.56%) Slack
10 4 (1.25%) Amazon CloudWatch
10 4 (1.25%) Amazon S3
10 4 (1.25%) AWS CodePipeline
10 4 (1.25%) Trello
11 1 (0.31%) Amazon EC2
11 1 (0.31%) Azure Service Bus
Communications & Networking
1 8 (2.50%) Internet
2 4 (1.25%) Wi-Fi
3 3 (0.94%) DLNA
3 3 (0.94%) TCP/IP
3 3 (0.94%) UPnP
4 1 (0.31%) AMQP
4 1 (0.31%) Bluetooth
4 1 (0.31%) Broadband
4 1 (0.31%) HTTP
4 1 (0.31%) Wireless
4 1 (0.31%) ZigBee
Database & Business Intelligence
1 39 (12.19%) PostgreSQL
1 39 (12.19%) SQL Server
2 38 (11.88%) NoSQL
3 33 (10.31%) Redis
4 27 (8.44%) Big Data
5 22 (6.88%) MySQL
6 10 (3.13%) Relational Database
7 8 (2.50%) Azure SQL Database
8 7 (2.19%) Data Warehouse
8 7 (2.19%) Hadoop
8 7 (2.19%) Power BI
8 7 (2.19%) SQL Server Integration Services
9 6 (1.88%) Data Lake
9 6 (1.88%) Spark SQL
10 5 (1.56%) Apache Cassandra
10 5 (1.56%) Azure SQL Data Warehouse
10 5 (1.56%) Enterprise Data Warehouse
10 5 (1.56%) Microsoft Analysis Services
10 5 (1.56%) SQL Server Analysis Services
11 4 (1.25%) Amazon DynamoDB
Development Applications
1 57 (17.81%) Git (software)
1 57 (17.81%) Jenkins
2 41 (12.81%) GitLab
3 31 (9.69%) Subversion
4 30 (9.38%) Mercurial
5 16 (5.00%) Maven
6 9 (2.81%) Cucumber
6 9 (2.81%) JIRA
6 9 (2.81%) JUnit
6 9 (2.81%) Selenium
6 9 (2.81%) Visual Studio
7 8 (2.50%) CircleCI
7 8 (2.50%) PHPUnit
8 5 (1.56%) Atlassian Bamboo
8 5 (1.56%) Gradle
8 5 (1.56%) SoapUI
8 5 (1.56%) SonarQube
8 5 (1.56%) Team Foundation Server
9 4 (1.25%) Mockito
9 4 (1.25%) Sonatype Nexus
General
1 40 (12.50%) Public Sector
2 32 (10.00%) Social Skills
3 15 (4.69%) Games
4 12 (3.75%) Presentation Skills
5 5 (1.56%) Banking
5 5 (1.56%) Finance
6 4 (1.25%) Electronics
6 4 (1.25%) Legal
7 3 (0.94%) Marketing
8 2 (0.63%) Local Government
8 2 (0.63%) Manufacturing
8 2 (0.63%) Telecoms
9 1 (0.31%) Analytical Skills
9 1 (0.31%) Automotive
9 1 (0.31%) Back Office
Job Titles
1 172 (53.75%) Developer
2 96 (30.00%) Software Engineer
3 46 (14.38%) .NET Developer
4 40 (12.50%) Software Developer
5 34 (10.63%) Senior Developer
6 30 (9.38%) Python Engineer
6 30 (9.38%) Python Software Engineer
7 27 (8.44%) Java Developer
8 26 (8.13%) Access Developer
8 26 (8.13%) IAM Developer
8 26 (8.13%) Identity Management Developer
9 20 (6.25%) Full Stack Developer
10 19 (5.94%) Senior .NET Developer
11 17 (5.31%) Front End Developer (Client-Side Developer)
12 15 (4.69%) C# .NET Developer
12 15 (4.69%) C# Developer
13 14 (4.38%) ASP.NET MVC Developer
14 13 (4.06%) Analyst
15 11 (3.44%) Business Analyst
15 11 (3.44%) PHP Developer
Libraries, Frameworks & Software Standards
1 108 (33.75%) AngularJS
2 82 (25.63%) HTML
3 75 (23.44%) Vue.js
4 72 (22.50%) CSS
5 71 (22.19%) .NET
6 49 (15.31%) React
7 46 (14.38%) Web Services
8 42 (13.13%) RabbitMQ
9 39 (12.19%) ASP.NET
10 33 (10.31%) .NET Core
11 29 (9.06%) XML
12 26 (8.13%) LDAP
12 26 (8.13%) OAuth
12 26 (8.13%) OpenID
12 26 (8.13%) SailPoint
12 26 (8.13%) SAML
12 26 (8.13%) Spring
13 23 (7.19%) ASP.NET Web API
13 23 (7.19%) RESTful
14 22 (6.88%) HTML5
Miscellaneous
1 36 (11.25%) NHS
2 23 (7.19%) User Experience
3 17 (5.31%) Greenfield Project
4 8 (2.50%) Cloud Native
4 8 (2.50%) Graphic Design
4 8 (2.50%) Smartphone
5 7 (2.19%) Mobile App
6 5 (1.56%) Enterprise Software
7 3 (0.94%) Digital TV
7 3 (0.94%) MPEG
8 2 (0.63%) Data Structures
9 1 (0.31%) Algorithms
9 1 (0.31%) Embedded Systems
9 1 (0.31%) Reference Data
9 1 (0.31%) Reinsurance
9 1 (0.31%) Self-Motivation
9 1 (0.31%) Smart Home
9 1 (0.31%) Social Media
9 1 (0.31%) Virtual Team
Operating Systems
1 9 (2.81%) Linux
2 7 (2.19%) Android
3 6 (1.88%) Unix
4 4 (1.25%) Apple iOS
4 4 (1.25%) Embedded Linux
4 4 (1.25%) Windows
5 1 (0.31%) FreeRTOS
Processes & Methodologies
1 223 (69.69%) Agile Software Development
2 116 (36.25%) Software Engineering
3 89 (27.81%) BDD
4 87 (27.19%) Scrum
5 80 (25.00%) DevOps
6 79 (24.69%) Unit Testing
7 69 (21.56%) SOLID
7 69 (21.56%) Test Automation
8 60 (18.75%) OOP
9 59 (18.44%) Continuous Integration
10 50 (15.63%) OO
11 49 (15.31%) Don't repeat yourself (DRY)
12 48 (15.00%) MVC
13 41 (12.81%) Kanban
14 40 (12.50%) Re-Platforming
15 34 (10.63%) Biometrics
16 32 (10.00%) Microservices
17 30 (9.38%) Workflow
18 26 (8.13%) Identity Management
18 26 (8.13%) Workflow Analysis
Programming Languages
1 173 (54.06%) JavaScript
2 162 (50.63%) Java
3 152 (47.50%) C#
4 103 (32.19%) Python
5 82 (25.63%) C++
6 65 (20.31%) SQL
7 55 (17.19%) Scala
8 54 (16.88%) Go
9 51 (15.94%) Kotlin
9 51 (15.94%) Ruby
10 20 (6.25%) TypeScript
11 17 (5.31%) PHP
12 14 (4.38%) T-SQL
13 10 (3.13%) PHP 7
14 7 (2.19%) C
14 7 (2.19%) Java 8
15 5 (1.56%) Java 9
15 5 (1.56%) PL/SQL
16 4 (1.25%) ES6
17 1 (0.31%) Apple Swift
Qualifications
1 4 (1.25%) AWS Certification
2 1 (0.31%) ISEB
2 1 (0.31%) ISTQB
2 1 (0.31%) Security Cleared
Quality Assurance & Compliance
1 31 (9.69%) Data Quality
2 22 (6.88%) QA
System Software
1 88 (27.50%) Docker
2 26 (8.13%) Active Directory
2 26 (8.13%) NDS
2 26 (8.13%) NetIQ eDirectory
3 1 (0.31%) Firmware
3 1 (0.31%) HDFS
Systems Management
1 80 (25.00%) Kubernetes
2 62 (19.38%) Terraform
3 37 (11.56%) Ansible
4 26 (8.13%) NetIQ Identity Manager
5 1 (0.31%) Cobbler
5 1 (0.31%) Hadoop YARN
5 1 (0.31%) Opscode Chef
5 1 (0.31%) Puppet
Vendors
1 26 (8.13%) ForgeRock
1 26 (8.13%) NetIQ
1 26 (8.13%) Oracle
2 8 (2.50%) Adobe
2 8 (2.50%) Microsoft
3 6 (1.88%) Databricks
4 4 (1.25%) Google
4 4 (1.25%) Splunk
5 2 (0.63%) Mapbox
5 2 (0.63%) MuleSoft
5 2 (0.63%) OpenText
5 2 (0.63%) Sage
5 2 (0.63%) Salesforce.com
5 2 (0.63%) SAP
6 1 (0.31%) Atlassian
6 1 (0.31%) IBM
6 1 (0.31%) TIBCO