Period
to

The following table provides summary statistics for contract job vacancies advertised in the East Midlands with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 6 months to 25 June 2022 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Test-Driven Development (TDD)
England > East Midlands
6 months to
25 Jun 2022
Same period 2021 Same period 2020
Rank 66 62 48
Rank change year-on-year -4 -14 0
Contract jobs citing TDD 25 15 28
As % of all contract jobs advertised in the East Midlands 1.84% 1.42% 3.21%
As % of the Processes & Methodologies category 2.31% 1.72% 4.04%
Number of daily rates quoted 23 9 16
10th Percentile £402 £355 £244
25th Percentile £445 £388 £297
Median daily rate (50th Percentile) £500 £405 £317
Median % change year-on-year +23.46% +27.96% -25.53%
75th Percentile £538 £450 £375
90th Percentile £575 £525 £400
England median daily rate £600 £550 £525
% 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 contract job vacancies advertised in the East Midlands with a requirement for process or methodology skills.

All Process and Methodology Skills
East Midlands
Contract vacancies with a requirement for process or methodology skills 1,081 873 693
As % of all contract IT jobs advertised in the East Midlands 79.60% 82.67% 79.47%
Number of daily rates quoted 817 575 407
10th Percentile £213 £189 £227
25th Percentile £350 £305 £313
Median daily rate (50th Percentile) £450 £400 £400
Median % change year-on-year +12.50% - -
75th Percentile £538 £488 £489
90th Percentile £619 £597 £582
England median daily rate £550 £500 £477
% change year-on-year +10.00% +4.73% +0.51%
Number of hourly rates quoted 66 44 32
10th Percentile £11.70 £9.08 £9.52
25th Percentile £16.10 £9.89 £11.40
Median hourly rate £21.50 £15.43 £13.59
Median % change year-on-year +39.34% +13.58% -4.87%
75th Percentile £34.31 £28.15 £22.33
90th Percentile £35.00 £50.23 £44.88
England median hourly rate £28.00 £24.33 £22.50
% change year-on-year +15.11% +8.11% -2.17%

TDD
Job Vacancy Trend in the East Midlands

Job postings citing TDD as a proportion of all IT jobs advertised in the East Midlands.

Job vacancy trend for TDD in the East Midlands

TDD
Contractor Daily Rate Trend in the East Midlands

3-month moving average daily rate quoted in jobs citing TDD in the East Midlands.

Daily rate trend for TDD in the East Midlands

TDD
Daily Rate Histogram in the East Midlands

Daily rate distribution for jobs citing TDD in the East Midlands over the 6 months to 25 June 2022.

Daily rate histogram for TDD in the East Midlands

TDD
Contractor Hourly Rate Trend in the East Midlands

3-month moving average hourly rates quoted in jobs citing TDD in the East Midlands.

Hourly rate trend for TDD in the East Midlands

TDD
Contract Job Locations in the East Midlands

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the East Midlands region over the 6 months to 25 June 2022. 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Jobs
Nottinghamshire +13 14 £500 +5.26% 9
Northamptonshire -8 6 £519 +33.70% 1
Leicestershire - 3 £400 - 4
Lincolnshire - 1 £440 - 1
Derbyshire - 1 - - 3
TDD
England

For the 6 months to 25 June 2022, IT contractor 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 contract job ads across the East Midlands region with a requirement for TDD.

1 16 (64.00%) Agile
2 13 (52.00%) Test Automation
2 13 (52.00%) CI/CD
3 12 (48.00%) JavaScript
3 12 (48.00%) Docker
4 11 (44.00%) Microservices
4 11 (44.00%) Node.js
4 11 (44.00%) AWS
5 10 (40.00%) .NET
5 10 (40.00%) Java
5 10 (40.00%) Azure
5 10 (40.00%) DevOps
5 10 (40.00%) SOLID
6 9 (36.00%) React
7 8 (32.00%) Git (software)
7 8 (32.00%) Spring
7 8 (32.00%) Software Engineering
7 8 (32.00%) .NET Core
8 7 (28.00%) Front End Development
8 7 (28.00%) TypeScript
8 7 (28.00%) Mentoring
8 7 (28.00%) BDD
8 7 (28.00%) Scrum
8 7 (28.00%) CSS
8 7 (28.00%) OO
8 7 (28.00%) MySQL
8 7 (28.00%) JUnit
8 7 (28.00%) PHP
8 7 (28.00%) SQL
8 7 (28.00%) HTML

TDD
Co-occurring IT Skills in the East Midlands 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 6 (24.00%) Elasticsearch
2 2 (8.00%) Confluence
2 2 (8.00%) Drupal
Cloud Services
1 11 (44.00%) AWS
2 10 (40.00%) Azure
3 6 (24.00%) Serverless
4 5 (20.00%) Amazon Cognito
4 5 (20.00%) AWS CloudFormation
4 5 (20.00%) AWS Lambda
5 2 (8.00%) PaaS
5 2 (8.00%) SaaS
6 1 (4.00%) Azure Event Grid
6 1 (4.00%) Azure Logic Apps
6 1 (4.00%) IaaS
6 1 (4.00%) OpenShift
Database & Business Intelligence
1 7 (28.00%) MySQL
2 6 (24.00%) PostgreSQL
3 5 (20.00%) Amazon DynamoDB
3 5 (20.00%) Redis
4 3 (12.00%) NoSQL
5 1 (4.00%) MongoDB
Development Applications
1 8 (32.00%) Git (software)
2 7 (28.00%) JUnit
3 6 (24.00%) Gatling
3 6 (24.00%) Gradle
3 6 (24.00%) JMeter
3 6 (24.00%) Maven
3 6 (24.00%) MSTest
3 6 (24.00%) Selenium
3 6 (24.00%) Spock
4 2 (8.00%) JIRA
4 2 (8.00%) Robot Framework
5 1 (4.00%) Bitbucket
5 1 (4.00%) Cucumber
5 1 (4.00%) Jenkins
5 1 (4.00%) Postman
5 1 (4.00%) Visual Studio
General
1 3 (12.00%) Social Skills
2 2 (8.00%) Analytical Skills
3 1 (4.00%) Finance
3 1 (4.00%) Manufacturing
3 1 (4.00%) Retail
3 1 (4.00%) Telecoms
Job Titles
1 9 (36.00%) Developer
2 6 (24.00%) Technical Leader
3 5 (20.00%) Software Engineer
4 3 (12.00%) Software Developer
5 2 (8.00%) .NET Developer
5 2 (8.00%) Backend Developer
5 2 (8.00%) C# .NET Developer
5 2 (8.00%) C# Developer
5 2 (8.00%) PHP Developer
6 1 (4.00%) Architect
6 1 (4.00%) Azure Developer
6 1 (4.00%) Azure Engineer
6 1 (4.00%) Developer in Test
6 1 (4.00%) Head of Engineering
6 1 (4.00%) Integration Engineer
6 1 (4.00%) QA Engineer
6 1 (4.00%) React Developer
6 1 (4.00%) SaaS Developer
6 1 (4.00%) Software Integration Engineer
6 1 (4.00%) Xamarin Developer
Libraries, Frameworks & Software Standards
1 11 (44.00%) Node.js
2 10 (40.00%) .NET
3 9 (36.00%) React
4 8 (32.00%) .NET Core
4 8 (32.00%) Spring
5 7 (28.00%) CSS
5 7 (28.00%) HTML
6 6 (24.00%) .NET Framework
6 6 (24.00%) Enzyme
6 6 (24.00%) Hibernate
6 6 (24.00%) Jest
7 5 (20.00%) Elastic Stack
8 3 (12.00%) RESTful
9 2 (8.00%) Laravel
9 2 (8.00%) Redux
9 2 (8.00%) Spring Boot
9 2 (8.00%) Symfony
10 1 (4.00%) PostGIS
10 1 (4.00%) RabbitMQ
10 1 (4.00%) REST
Miscellaneous
1 5 (20.00%) Virtual Team
2 1 (4.00%) Cloud Native
2 1 (4.00%) Greenfield Project
2 1 (4.00%) Legacy Systems
2 1 (4.00%) User Experience
Operating Systems
1 1 (4.00%) Android
Processes & Methodologies
1 16 (64.00%) Agile
2 13 (52.00%) CI/CD
2 13 (52.00%) Test Automation
3 11 (44.00%) Microservices
4 10 (40.00%) DevOps
4 10 (40.00%) SOLID
5 8 (32.00%) Software Engineering
6 7 (28.00%) BDD
6 7 (28.00%) Front End Development
6 7 (28.00%) Mentoring
6 7 (28.00%) OO
6 7 (28.00%) Scrum
7 6 (24.00%) Event-Driven
7 6 (24.00%) Event-Driven Architecture
7 6 (24.00%) Mob Programming
7 6 (24.00%) MVC
8 5 (20.00%) Collaborative Working
8 5 (20.00%) Problem-Solving
8 5 (20.00%) Unit Testing
9 3 (12.00%) Continuous Integration
Programming Languages
1 12 (48.00%) JavaScript
2 10 (40.00%) Java
3 7 (28.00%) PHP
3 7 (28.00%) SQL
3 7 (28.00%) TypeScript
4 6 (24.00%) C#
4 6 (24.00%) ES6
5 1 (4.00%) Python
Quality Assurance & Compliance
1 2 (8.00%) Accessibility
2 1 (4.00%) QA
System Software
1 12 (48.00%) Docker
Systems Management
1 6 (24.00%) Ansible
1 6 (24.00%) Terraform
2 5 (20.00%) Kubernetes
3 1 (4.00%) Business Desktop Deployment
3 1 (4.00%) Grafana
3 1 (4.00%) Kibana
3 1 (4.00%) Systems Management Server (SMS)
Vendors
1 3 (12.00%) Microsoft
2 2 (8.00%) Atlassian
3 1 (4.00%) Xamarin