Period
to 3 August 2021

The following table provides summary statistics for permanent job vacancies advertised in West 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 3 August 2021 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Yorkshire > West Yorkshire
6 months to
3 Aug 2021
Same period 2020 Same period 2019
Rank 33 26 26
Rank change year-on-year -7 0 -5
Permanent jobs citing TDD 261 173 347
As % of all permanent jobs advertised in West Yorkshire 7.00% 7.72% 7.77%
As % of the Processes & Methodologies category 7.38% 8.24% 8.47%
Number of salaries quoted 209 157 282
10th Percentile £40,000 £33,750 £35,000
25th Percentile £46,250 £40,000 £37,000
Median annual salary (50th Percentile) £55,000 £50,000 £45,000
Median % change year-on-year +10.00% +11.11% -
75th Percentile £65,125 £60,000 £56,250
90th Percentile £77,500 £67,750 £64,750
Yorkshire median annual salary £57,500 £50,000 £45,000
% change year-on-year +15.00% +11.11% -

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 West Yorkshire with a requirement for process or methodology skills.

All Process and Methodology Skills
West Yorkshire
Permanent vacancies with a requirement for process or methodology skills 3,537 2,100 4,096
As % of all permanent IT jobs advertised in West Yorkshire 94.80% 93.67% 91.69%
Number of salaries quoted 2,774 1,808 3,456
10th Percentile £32,000 £29,925 £27,500
25th Percentile £38,750 £36,250 £34,638
Median annual salary (50th Percentile) £50,000 £50,000 £45,000
Median % change year-on-year - +11.11% -
75th Percentile £63,750 £60,500 £55,000
90th Percentile £73,925 £70,000 £65,000
Yorkshire median annual salary £47,500 £47,500 £42,500
% change year-on-year - +11.76% -1.50%

TDD
Job Vacancy Trend in West Yorkshire

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

Job vacancy trend for TDD in West Yorkshire

TDD
Salary Trend in West Yorkshire

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

Salary trend for TDD in West Yorkshire

TDD
Salary Histogram in West Yorkshire

Salary distribution for jobs citing TDD in West Yorkshire over the 6 months to 3 August 2021.

Salary histogram for TDD in West Yorkshire

TDD
Job Locations in West Yorkshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing TDD within the West Yorkshire region over the 6 months to 3 August 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
Leeds +1 237 £57,500 +15.00% 51
Wakefield -15 8 £37,500 +7.14% 4
Halifax -10 5 £30,000 -53.85% 3
Bradford +9 4 £47,000 -12.56% 1
Huddersfield - 1 £55,000 -
TDD
Yorkshire

For the 6 months to 3 August 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 West Yorkshire region with a requirement for TDD.

1 184 (70.50%) Agile Software Development
2 162 (62.07%) Java
3 112 (42.91%) JavaScript
3 112 (42.91%) BDD
4 104 (39.85%) Scrum
5 96 (36.78%) Software Engineering
6 94 (36.02%) C#
7 88 (33.72%) Python
8 85 (32.57%) React
9 84 (32.18%) AWS
10 74 (28.35%) SQL
11 73 (27.97%) AngularJS
12 71 (27.20%) Test Automation
13 69 (26.44%) Continuous Integration
14 63 (24.14%) Docker
14 63 (24.14%) DevOps
15 61 (23.37%) C++
16 60 (22.99%) Jenkins
17 57 (21.84%) Web Services
17 57 (21.84%) Azure
18 56 (21.46%) Git (software)
19 54 (20.69%) RabbitMQ
20 53 (20.31%) NoSQL
20 53 (20.31%) OO
21 51 (19.54%) Kubernetes
22 48 (18.39%) Ansible
23 46 (17.62%) Vue.js
23 46 (17.62%) Full Stack Development
24 45 (17.24%) Kanban
25 43 (16.48%) SOLID

TDD
Co-occurring IT Skills in West 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 37 (14.18%) Elasticsearch
2 36 (13.79%) nginx
3 26 (9.96%) Oracle Workflow
4 10 (3.83%) Apache
5 8 (3.07%) Apache Spark
5 8 (3.07%) CMS
6 6 (2.30%) Apache Synapse
7 5 (1.92%) Confluence
8 4 (1.53%) JBoss
9 2 (0.77%) IIS
10 1 (0.38%) SharePoint
10 1 (0.38%) Tomcat
Applications
1 4 (1.53%) Adobe Illustrator
2 1 (0.38%) EngageOne
Business Applications
1 1 (0.38%) SAP Business One
Cloud Services
1 84 (32.18%) AWS
2 57 (21.84%) Azure
3 34 (13.03%) GCP
4 28 (10.73%) AWS CloudFormation
5 21 (8.05%) Serverless
6 8 (3.07%) AWS Lambda
7 7 (2.68%) Azure Data Factory
7 7 (2.68%) Azure Synapse Analytics
7 7 (2.68%) Power Platform
8 6 (2.30%) Azure Functions
9 4 (1.53%) Amazon CloudWatch
9 4 (1.53%) Amazon S3
9 4 (1.53%) AWS CodePipeline
9 4 (1.53%) GitHub
9 4 (1.53%) Trello
10 3 (1.15%) SaaS
11 2 (0.77%) Microsoft 365
11 2 (0.77%) Slack
12 1 (0.38%) Amazon EC2
12 1 (0.38%) BrowserStack
Communications & Networking
1 11 (4.21%) Internet
2 6 (2.30%) Broadband
3 4 (1.53%) HTTP
4 3 (1.15%) DLNA
4 3 (1.15%) TCP/IP
4 3 (1.15%) UPnP
4 3 (1.15%) Wi-Fi
5 2 (0.77%) 5G
Database & Business Intelligence
1 53 (20.31%) NoSQL
2 40 (15.33%) PostgreSQL
3 36 (13.79%) Redis
4 23 (8.81%) Big Data
5 20 (7.66%) SQL Server
6 12 (4.60%) MySQL
7 11 (4.21%) Apache Cassandra
8 10 (3.83%) Relational Database
9 8 (3.07%) Data Warehouse
10 7 (2.68%) Data Lake
10 7 (2.68%) Power BI
10 7 (2.68%) Power Query
10 7 (2.68%) Spark SQL
10 7 (2.68%) SQL Server Integration Services
11 6 (2.30%) Azure SQL Data Warehouse
11 6 (2.30%) Azure SQL Database
11 6 (2.30%) Enterprise Data Warehouse
11 6 (2.30%) Microsoft Analysis Services
11 6 (2.30%) SQL Server Analysis Services
12 5 (1.92%) MongoDB
Development Applications
1 60 (22.99%) Jenkins
2 56 (21.46%) Git (software)
3 38 (14.56%) GitLab
3 38 (14.56%) Subversion
4 37 (14.18%) Mercurial
5 18 (6.90%) Maven
6 15 (5.75%) JUnit
7 10 (3.83%) JIRA
8 7 (2.68%) Atlassian Bamboo
9 6 (2.30%) CircleCI
10 5 (1.92%) Cucumber
10 5 (1.92%) Postman
11 4 (1.53%) Mockito
11 4 (1.53%) Selenium
11 4 (1.53%) Sonatype Nexus
12 3 (1.15%) GCC
12 3 (1.15%) GDB
12 3 (1.15%) GoogleTest
12 3 (1.15%) JMeter
12 3 (1.15%) PHPUnit
General
1 35 (13.41%) Public Sector
2 31 (11.88%) Social Skills
3 13 (4.98%) Games
4 10 (3.83%) Legal
4 10 (3.83%) Presentation Skills
5 4 (1.53%) Finance
6 3 (1.15%) Electronics
7 2 (0.77%) Banking
8 1 (0.38%) Analytical Skills
8 1 (0.38%) Back Office
8 1 (0.38%) Law
8 1 (0.38%) Organisational Skills
8 1 (0.38%) Retail Banking
Job Titles
1 140 (53.64%) Developer
2 70 (26.82%) Software Engineer
3 38 (14.56%) Java Developer
4 36 (13.79%) Python Engineer
4 36 (13.79%) Python Software Engineer
5 29 (11.11%) Software Developer
6 28 (10.73%) Full Stack Developer
7 26 (9.96%) Access Developer
7 26 (9.96%) IAM Developer
7 26 (9.96%) Identity Management Developer
8 19 (7.28%) .NET Developer
8 19 (7.28%) Senior Developer
9 18 (6.90%) React Developer
10 15 (5.75%) PHP Developer
11 12 (4.60%) Senior Java Developer
12 11 (4.21%) Front End Developer (Client-Side Developer)
12 11 (4.21%) Lead Developer
12 11 (4.21%) Lead Java Developer
13 10 (3.83%) ASP.NET MVC Developer
14 6 (2.30%) C# .NET Developer
Libraries, Frameworks & Software Standards
1 85 (32.57%) React
2 73 (27.97%) AngularJS
3 57 (21.84%) Web Services
4 54 (20.69%) RabbitMQ
5 46 (17.62%) Vue.js
6 42 (16.09%) HTML
7 36 (13.79%) CSS
8 31 (11.88%) Spring
9 28 (10.73%) .NET
9 28 (10.73%) XML
10 26 (9.96%) LDAP
10 26 (9.96%) OAuth
10 26 (9.96%) OpenID
10 26 (9.96%) SailPoint
10 26 (9.96%) SAML
11 22 (8.43%) Node.js
12 20 (7.66%) Hibernate
13 18 (6.90%) RESTful
14 17 (6.51%) REST
15 14 (5.36%) ASP.NET
Miscellaneous
1 33 (12.64%) NHS
2 14 (5.36%) Legacy Code
2 14 (5.36%) User Experience
3 10 (3.83%) Greenfield Project
4 6 (2.30%) Data Protection Act
4 6 (2.30%) Social Media
5 5 (1.92%) Mobile App
6 4 (1.53%) Cloud Native
6 4 (1.53%) Data Structures
6 4 (1.53%) DataPower
6 4 (1.53%) Graphic Design
6 4 (1.53%) Legacy Applications
6 4 (1.53%) Smartphone
7 3 (1.15%) Digital TV
7 3 (1.15%) MPEG
7 3 (1.15%) Self-Motivation
8 2 (0.77%) Enterprise Software
9 1 (0.38%) Algorithms
9 1 (0.38%) Over-the-Top Content
Operating Systems
1 19 (7.28%) Linux
2 10 (3.83%) Unix
3 6 (2.30%) Android
4 4 (1.53%) Apple iOS
5 3 (1.15%) Embedded Linux
5 3 (1.15%) Windows
Processes & Methodologies
1 184 (70.50%) Agile Software Development
2 112 (42.91%) BDD
3 104 (39.85%) Scrum
4 96 (36.78%) Software Engineering
5 71 (27.20%) Test Automation
6 69 (26.44%) Continuous Integration
7 63 (24.14%) DevOps
8 53 (20.31%) OO
9 46 (17.62%) Full Stack Development
10 45 (17.24%) Kanban
11 43 (16.48%) SOLID
12 42 (16.09%) Unit Testing
13 38 (14.56%) Re-Platforming
14 35 (13.41%) MVC
15 34 (13.03%) OOP
16 33 (12.64%) Biometrics
17 31 (11.88%) Coaching
17 31 (11.88%) Workflow
18 26 (9.96%) Identity Management
18 26 (9.96%) Microservices
Programming Languages
1 162 (62.07%) Java
2 112 (42.91%) JavaScript
3 94 (36.02%) C#
4 88 (33.72%) Python
5 74 (28.35%) SQL
6 61 (23.37%) C++
7 33 (12.64%) Scala
8 30 (11.49%) Go
9 25 (9.58%) Ruby
10 24 (9.20%) Kotlin
10 24 (9.20%) PHP
11 16 (6.13%) Java 8
12 14 (5.36%) TypeScript
13 11 (4.21%) Java 11
13 11 (4.21%) Java 9
14 10 (3.83%) T-SQL
15 6 (2.30%) PL/SQL
16 5 (1.92%) C
16 5 (1.92%) ES6
17 4 (1.53%) PHP 7
Qualifications
1 6 (2.30%) AWS Certification
2 4 (1.53%) Computer Science Degree
2 4 (1.53%) Degree
3 2 (0.77%) ISTQB
Quality Assurance & Compliance
1 32 (12.26%) Data Quality
2 19 (7.28%) QA
3 12 (4.60%) Accessibility
System Software
1 63 (24.14%) Docker
2 26 (9.96%) Active Directory
2 26 (9.96%) NDS
2 26 (9.96%) NetIQ eDirectory
3 1 (0.38%) HDFS
Systems Management
1 51 (19.54%) Kubernetes
2 48 (18.39%) Ansible
3 34 (13.03%) Terraform
4 26 (9.96%) NetIQ Identity Manager
5 1 (0.38%) Hadoop YARN
5 1 (0.38%) Opscode Chef
5 1 (0.38%) Puppet
Vendors
1 28 (10.73%) Oracle
2 26 (9.96%) ForgeRock
2 26 (9.96%) NetIQ
3 10 (3.83%) Atlassian
4 7 (2.68%) Adobe
4 7 (2.68%) Databricks
4 7 (2.68%) Microsoft
5 4 (1.53%) BT
5 4 (1.53%) IBM
5 4 (1.53%) Pega
5 4 (1.53%) Splunk
6 3 (1.15%) Brio
6 3 (1.15%) Google
7 2 (0.77%) MuleSoft
7 2 (0.77%) OpenText
8 1 (0.38%) Sage
8 1 (0.38%) Salesforce.com
8 1 (0.38%) SAP