Period
to 20 October 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 20 October 2021 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
England > Yorkshire
6 months to
20 Oct 2021
Same period 2020 Same period 2019
Rank 42 38 51
Rank change year-on-year -4 +13 -27
Permanent jobs citing TDD 334 177 381
As % of all permanent jobs advertised in Yorkshire 4.96% 6.46% 5.49%
As % of the Processes & Methodologies category 5.27% 6.89% 5.98%
Number of salaries quoted 250 170 317
10th Percentile £41,250 £33,625 £35,000
25th Percentile £46,250 £42,500 £40,000
Median annual salary (50th Percentile) £57,500 £50,000 £50,000
Median % change year-on-year +15.00% - +11.11%
75th Percentile £65,000 £57,188 £58,750
90th Percentile £75,000 £60,000 £65,000
England median annual salary £62,500 £60,000 £60,000
% change year-on-year +4.17% - +9.09%

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 6,333 2,568 6,366
As % of all permanent IT jobs advertised in Yorkshire 94.12% 93.79% 91.68%
Number of salaries quoted 4,811 2,251 5,137
10th Percentile £31,250 £31,250 £26,250
25th Percentile £37,500 £37,500 £33,000
Median annual salary (50th Percentile) £50,000 £47,250 £45,000
Median % change year-on-year +5.82% +5.00% +5.88%
75th Percentile £63,750 £57,500 £55,000
90th Percentile £75,000 £65,000 £65,000
England median annual salary £58,000 £55,000 £52,500
% change year-on-year +5.45% +4.76% -

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 20 October 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 20 October 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 -14 230 £55,000 +10.00% 37
South Yorkshire -5 85 £57,500 +15.00% 12
North Yorkshire -19 18 £52,500 +10.53% 1
TDD
England

For the 6 months to 20 October 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.

1 253 (75.75%) Agile Software Development
2 203 (60.78%) Java
3 184 (55.09%) JavaScript
4 181 (54.19%) Software Engineering
5 160 (47.90%) React
6 147 (44.01%) C#
7 126 (37.72%) AngularJS
8 123 (36.83%) BDD
9 110 (32.93%) AWS
9 110 (32.93%) Docker
9 110 (32.93%) DevOps
10 107 (32.04%) Azure
10 107 (32.04%) Python
11 101 (30.24%) Scrum
12 92 (27.54%) Kubernetes
12 92 (27.54%) SOLID
13 89 (26.65%) Vue.js
14 83 (24.85%) Test Automation
15 81 (24.25%) Scala
16 76 (22.75%) Unit Testing
17 75 (22.46%) Continuous Integration
17 75 (22.46%) Git (software)
17 75 (22.46%) SQL
17 75 (22.46%) Kotlin
18 74 (22.16%) C++
19 72 (21.56%) Go
20 68 (20.36%) HTML
21 66 (19.76%) Terraform
22 65 (19.46%) PHP
23 63 (18.86%) OOP

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 31 (9.28%) Elasticsearch
2 26 (7.78%) nginx
3 15 (4.49%) Confluence
4 13 (3.89%) CMS
5 12 (3.59%) Oracle Workflow
6 11 (3.29%) Apache
7 5 (1.50%) IIS
8 4 (1.20%) JBoss
9 1 (0.30%) Apache Spark
9 1 (0.30%) Apache Synapse
9 1 (0.30%) IBM Domino
9 1 (0.30%) SharePoint
9 1 (0.30%) Tomcat
Applications
1 2 (0.60%) Microsoft Excel
2 1 (0.30%) EngageOne
2 1 (0.30%) Spreadsheet
Cloud Services
1 110 (32.93%) AWS
2 107 (32.04%) Azure
3 63 (18.86%) AWS CloudFormation
4 52 (15.57%) GCP
5 16 (4.79%) Serverless
6 14 (4.19%) PaaS
7 10 (2.99%) AWS Lambda
8 7 (2.10%) Amazon Kinesis
8 7 (2.10%) Amazon S3
9 6 (1.80%) Amazon SQS
9 6 (1.80%) AWS Fargate
10 4 (1.20%) Azure Active Directory
11 3 (0.90%) Azure Functions
11 3 (0.90%) GitHub
12 2 (0.60%) Azure Service Bus
13 1 (0.30%) Amazon ECS
13 1 (0.30%) Azure Data Factory
13 1 (0.30%) Azure Synapse Analytics
13 1 (0.30%) BrowserStack
13 1 (0.30%) Power Platform
Communications & Networking
1 7 (2.10%) HTTP
1 7 (2.10%) Internet
2 6 (1.80%) Broadband
3 2 (0.60%) 5G
4 1 (0.30%) DNS
4 1 (0.30%) Reverse Proxy
Database & Business Intelligence
1 62 (18.56%) NoSQL
2 42 (12.57%) Redis
3 38 (11.38%) MySQL
4 29 (8.68%) PostgreSQL
5 26 (7.78%) SQL Server
6 18 (5.39%) Relational Database
7 9 (2.69%) Big Data
7 9 (2.69%) MongoDB
8 8 (2.40%) Amazon DynamoDB
8 8 (2.40%) Apache Cassandra
9 6 (1.80%) Amazon RDS
10 5 (1.50%) Oracle Database
10 5 (1.50%) SQL Server 2019
11 2 (0.60%) Data Warehouse
11 2 (0.60%) SQL Server 2012
11 2 (0.60%) SQL Server 2014
11 2 (0.60%) SQL Server 2016
12 1 (0.30%) Adabas
12 1 (0.30%) Microsoft Analysis Services
12 1 (0.30%) RDBMS
Development Applications
1 75 (22.46%) Git (software)
2 63 (18.86%) Jenkins
3 29 (8.68%) Subversion
4 27 (8.08%) Mercurial
5 21 (6.29%) GitLab
5 21 (6.29%) JIRA
6 14 (4.19%) Babel
6 14 (4.19%) webpack
7 10 (2.99%) Selenium
8 9 (2.69%) CircleCI
8 9 (2.69%) JUnit
9 8 (2.40%) Maven
10 7 (2.10%) Atlassian Bamboo
11 6 (1.80%) Cypress.io
11 6 (1.80%) JMeter
11 6 (1.80%) Visual Studio
12 5 (1.50%) Bitbucket
13 4 (1.20%) Postman
13 4 (1.20%) SpecFlow
14 3 (0.90%) TestCafe
General
1 42 (12.57%) Social Skills
2 13 (3.89%) Public Sector
3 11 (3.29%) Billing
4 10 (2.99%) Games
4 10 (2.99%) Legal
5 8 (2.40%) Finance
6 5 (1.50%) Banking
7 3 (0.90%) Documentation Skills
8 2 (0.60%) Analytical Skills
8 2 (0.60%) Manufacturing
8 2 (0.60%) Retail
8 2 (0.60%) Retail Banking
9 1 (0.30%) Advertising
9 1 (0.30%) Back Office
9 1 (0.30%) Financial Institution
9 1 (0.30%) Law
9 1 (0.30%) Organisational Skills
9 1 (0.30%) Presentation Skills
Job Titles
1 153 (45.81%) Developer
2 130 (38.92%) Software Engineer
3 37 (11.08%) Senior Developer
4 31 (9.28%) Java Developer
5 30 (8.98%) Full Stack Developer
6 26 (7.78%) C# Developer
6 26 (7.78%) Lead Developer
6 26 (7.78%) Python Engineer
6 26 (7.78%) Python Software Engineer
7 25 (7.49%) PHP Developer
8 23 (6.89%) .NET Developer
8 23 (6.89%) React Developer
8 23 (6.89%) Senior C# Developer
9 22 (6.59%) Software Developer
10 20 (5.99%) Senior Software Engineer
11 15 (4.49%) Java Engineer
11 15 (4.49%) Java Software Engineer
12 14 (4.19%) Lead C# Developer
12 14 (4.19%) Technical Developer
12 14 (4.19%) Technical Leader
Libraries, Frameworks & Software Standards
1 160 (47.90%) React
2 126 (37.72%) AngularJS
3 89 (26.65%) Vue.js
4 68 (20.36%) HTML
5 62 (18.56%) CSS
6 59 (17.66%) .NET
7 48 (14.37%) Spring
8 39 (11.68%) RabbitMQ
8 39 (11.68%) RESTful
9 37 (11.08%) Node.js
9 37 (11.08%) Web Services
10 31 (9.28%) REST
11 27 (8.08%) .NET Core
12 24 (7.19%) Spring Boot
13 23 (6.89%) Kafka
14 19 (5.69%) ASP.NET
15 18 (5.39%) Redux
16 17 (5.09%) ASP.NET Web API
17 16 (4.79%) Hibernate
18 15 (4.49%) CodeIgniter
Miscellaneous
1 23 (6.89%) Legacy Code
2 18 (5.39%) User Experience
3 14 (4.19%) NHS
4 7 (2.10%) Data Protection Act
4 7 (2.10%) Social Media
5 5 (1.50%) Self-Motivation
6 4 (1.20%) Data Centre
6 4 (1.20%) DataPower
6 4 (1.20%) Mobile App
7 3 (0.90%) Cloud Native
7 3 (0.90%) Enterprise Software
7 3 (0.90%) Greenfield Project
7 3 (0.90%) Online Banking
8 2 (0.60%) Data Structures
8 2 (0.60%) Reference Data
8 2 (0.60%) Reinsurance
9 1 (0.30%) iPhone
9 1 (0.30%) Over-the-Top Content
9 1 (0.30%) Photography
9 1 (0.30%) Smartphone
Operating Systems
1 19 (5.69%) Linux
2 7 (2.10%) Windows
3 5 (1.50%) Apple iOS
4 4 (1.20%) Android
4 4 (1.20%) Unix
Processes & Methodologies
1 253 (75.75%) Agile Software Development
2 181 (54.19%) Software Engineering
3 123 (36.83%) BDD
4 110 (32.93%) DevOps
5 101 (30.24%) Scrum
6 92 (27.54%) SOLID
7 83 (24.85%) Test Automation
8 76 (22.75%) Unit Testing
9 75 (22.46%) Continuous Integration
10 63 (18.86%) OOP
11 48 (14.37%) MVC
12 47 (14.07%) Don't repeat yourself (DRY)
12 47 (14.07%) Kanban
12 47 (14.07%) OO
13 46 (13.77%) Full Stack Development
14 36 (10.78%) Continuous Improvement
15 33 (9.88%) Continuous Delivery
16 32 (9.58%) Pair Programming
17 31 (9.28%) Coaching
18 29 (8.68%) Microservices
Programming Languages
1 203 (60.78%) Java
2 184 (55.09%) JavaScript
3 147 (44.01%) C#
4 107 (32.04%) Python
5 81 (24.25%) Scala
6 75 (22.46%) Kotlin
6 75 (22.46%) SQL
7 74 (22.16%) C++
8 72 (21.56%) Go
9 65 (19.46%) PHP
10 53 (15.87%) Ruby
11 14 (4.19%) Java 8
12 13 (3.89%) PL/SQL
13 11 (3.29%) TypeScript
14 10 (2.99%) Java 11
15 8 (2.40%) Java 9
16 4 (1.20%) C
17 3 (0.90%) ES6
18 2 (0.60%) Apple Swift
18 2 (0.60%) PHP 7
Qualifications
1 8 (2.40%) Degree
2 7 (2.10%) Computer Science Degree
3 6 (1.80%) AWS Certification
4 3 (0.90%) ISTQB
5 1 (0.30%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 22 (6.59%) QA
2 14 (4.19%) Data Quality
3 8 (2.40%) Accessibility
System Software
1 110 (32.93%) Docker
2 16 (4.79%) Active Directory
3 12 (3.59%) NDS
3 12 (3.59%) NetIQ eDirectory
Systems Management
1 92 (27.54%) Kubernetes
2 66 (19.76%) Terraform
3 35 (10.48%) Ansible
4 15 (4.49%) Opscode Chef
5 14 (4.19%) Graphite
5 14 (4.19%) Prometheus
6 12 (3.59%) NetIQ Identity Manager
7 4 (1.20%) Single Sign-On
8 1 (0.30%) Puppet
Vendors
1 28 (8.38%) Oracle
2 21 (6.29%) Atlassian
3 20 (5.99%) Microsoft
4 15 (4.49%) BT
5 14 (4.19%) Splunk
6 12 (3.59%) ForgeRock
6 12 (3.59%) NetIQ
7 5 (1.50%) Brio
8 4 (1.20%) IBM
8 4 (1.20%) Pega
9 3 (0.90%) Adobe
10 2 (0.60%) Xamarin
11 1 (0.30%) Apple
11 1 (0.30%) Cognizant
11 1 (0.30%) Databricks
11 1 (0.30%) MuleSoft
11 1 (0.30%) OpenText
11 1 (0.30%) Zend