Period
to 4 December 2021

The following table provides summary statistics for contract job vacancies advertised in Cambridgeshire 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 4 December 2021 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)
East of England > Cambridgeshire
6 months to
4 Dec 2021
Same period 2020 Same period 2019
Rank 50 38 46
Rank change year-on-year -12 +8 +6
Contract jobs citing TDD 14 3 41
As % of all contract jobs advertised in Cambridgeshire 1.94% 0.94% 3.51%
As % of the Processes & Methodologies category 2.58% 1.10% 4.06%
Number of daily rates quoted 13 3 38
10th Percentile £458 " £375
25th Percentile £463 £456 £413
Median daily rate (50th Percentile) £525 £463 £450
Median % change year-on-year +13.51% +2.78% -
75th Percentile £575 £478 £475
90th Percentile £595 £484 £691
East of England median daily rate £525 £473 £450
% change year-on-year +11.11% +5.00% -14.29%

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 Cambridgeshire with a requirement for process or methodology skills.

All Process and Methodology Skills
Cambridgeshire
Contract vacancies with a requirement for process or methodology skills 542 272 1,011
As % of all contract IT jobs advertised in Cambridgeshire 75.17% 85.27% 86.56%
Number of daily rates quoted 326 170 584
10th Percentile £155 £255 £227
25th Percentile £320 £313 £363
Median daily rate (50th Percentile) £450 £434 £425
Median % change year-on-year +3.60% +2.21% -
75th Percentile £538 £525 £538
90th Percentile £606 £601 £625
East of England median daily rate £450 £425 £425
% change year-on-year +5.88% - -3.95%
Number of hourly rates quoted 123 38 108
10th Percentile " £13.00 £10.93
25th Percentile £12.25 £14.25 £13.00
Median hourly rate £13.50 £16.00 £18.00
Median % change year-on-year -15.63% -11.11% -20.88%
75th Percentile £16.00 £36.44 £47.50
90th Percentile £20.25 £47.88 £50.00
East of England median hourly rate £16.00 £38.50 £17.80
% change year-on-year -58.44% +116.29% +1.71%

TDD
Job Vacancy Trend in Cambridgeshire

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

Job vacancy trend for TDD in Cambridgeshire

TDD
Contractor Daily Rate Trend in Cambridgeshire

3-month moving average daily rate quoted in jobs citing TDD in Cambridgeshire.

Daily rate trend for TDD in Cambridgeshire

TDD
Daily Rate Histogram in Cambridgeshire

Daily rate distribution for jobs citing TDD in Cambridgeshire over the 6 months to 4 December 2021.

Daily rate histogram for TDD in Cambridgeshire

TDD
Contractor Hourly Rate Trend in Cambridgeshire

3-month moving average hourly rates quoted in jobs citing TDD in Cambridgeshire.

Hourly rate trend for TDD in Cambridgeshire

TDD
Contract Job Locations in Cambridgeshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the Cambridgeshire region over the 6 months to 4 December 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Peterborough -21 7 £525 +13.51% 6
Cambridge - 5 £550 - 12
TDD
East of England

For the 6 months to 4 December 2021, 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 Cambridgeshire region with a requirement for TDD.

1 12 (85.71%) Agile Software Development
2 11 (78.57%) C#
3 9 (64.29%) JavaScript
4 8 (57.14%) HTML
4 8 (57.14%) CSS
5 7 (50.00%) .NET
5 7 (50.00%) SQL Server
6 6 (42.86%) Scrum
7 5 (35.71%) MVC
7 5 (35.71%) Oracle
7 5 (35.71%) Microsoft
7 5 (35.71%) Selenium
7 5 (35.71%) Azure
7 5 (35.71%) jQuery
7 5 (35.71%) Node.js
7 5 (35.71%) Web Application Development
7 5 (35.71%) ASP.NET Web API
7 5 (35.71%) React
7 5 (35.71%) Microservices
8 4 (28.57%) AngularJS
8 4 (28.57%) Twitter Bootstrap
8 4 (28.57%) AWS
8 4 (28.57%) SQL
9 3 (21.43%) Test Automation
9 3 (21.43%) Jenkins
9 3 (21.43%) Terraform
9 3 (21.43%) Social Skills
9 3 (21.43%) Full Stack Development
10 2 (14.29%) Event-Driven
10 2 (14.29%) Event-Driven Architecture

TDD
Co-occurring IT Skills in Cambridgeshire 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 1 (7.14%) OpenStack
Cloud Services
1 5 (35.71%) Azure
2 4 (28.57%) AWS
3 2 (14.29%) Akamai
3 2 (14.29%) BlazeMeter
3 2 (14.29%) OpenShift
4 1 (7.14%) AWS CloudFormation
4 1 (7.14%) PaaS
4 1 (7.14%) SaaS
Database & Business Intelligence
1 7 (50.00%) SQL Server
2 1 (7.14%) NoSQL
Development Applications
1 5 (35.71%) Selenium
2 3 (21.43%) Jenkins
3 2 (14.29%) Git (software)
3 2 (14.29%) git-flow
3 2 (14.29%) JMeter
3 2 (14.29%) Postman
4 1 (7.14%) WebDriver
General
1 3 (21.43%) Social Skills
2 1 (7.14%) Pharmaceutical
Job Titles
1 8 (57.14%) Developer
2 5 (35.71%) .NET Developer
3 3 (21.43%) React Developer
4 2 (14.29%) Full Stack Developer
4 2 (14.29%) Node.js Developer
4 2 (14.29%) Test Automation Engineer
4 2 (14.29%) Test Engineer
5 1 (7.14%) Analyst
5 1 (7.14%) Architect
5 1 (7.14%) Automation Test Analyst
5 1 (7.14%) C# Developer
5 1 (7.14%) Python Developer
5 1 (7.14%) Senior Analyst
5 1 (7.14%) Senior Architect
5 1 (7.14%) Senior Developer
5 1 (7.14%) Senior Python Developer
5 1 (7.14%) Senior Software Architect
5 1 (7.14%) Senior Test Analyst
5 1 (7.14%) Software Architect
5 1 (7.14%) Test Analyst
Libraries, Frameworks & Software Standards
1 8 (57.14%) CSS
1 8 (57.14%) HTML
2 7 (50.00%) .NET
3 5 (35.71%) ASP.NET Web API
3 5 (35.71%) jQuery
3 5 (35.71%) Node.js
3 5 (35.71%) React
4 4 (28.57%) AngularJS
4 4 (28.57%) Twitter Bootstrap
5 2 (14.29%) .NET Core
5 2 (14.29%) CSS3
5 2 (14.29%) HTML5
5 2 (14.29%) MSMQ
5 2 (14.29%) RabbitMQ
5 2 (14.29%) REST
5 2 (14.29%) Web Components
5 2 (14.29%) Web Services
6 1 (7.14%) Flask
6 1 (7.14%) SQLAlchemy
Miscellaneous
1 2 (14.29%) Public Cloud
Operating Systems
1 1 (7.14%) Linux
1 1 (7.14%) Unix
1 1 (7.14%) Windows
Processes & Methodologies
1 12 (85.71%) Agile Software Development
2 6 (42.86%) Scrum
3 5 (35.71%) Microservices
3 5 (35.71%) MVC
3 5 (35.71%) Web Application Development
4 3 (21.43%) Full Stack Development
4 3 (21.43%) Test Automation
5 2 (14.29%) API Development
5 2 (14.29%) API Testing
5 2 (14.29%) Continuous Integration
5 2 (14.29%) Design Thinking
5 2 (14.29%) Event-Driven
5 2 (14.29%) Event-Driven Architecture
5 2 (14.29%) Infrastructure as Code
5 2 (14.29%) Responsive Web Design
5 2 (14.29%) Software Testing
5 2 (14.29%) User-Centered Design (UCD)
5 2 (14.29%) Web Development
5 2 (14.29%) Wireframes
6 1 (7.14%) User Stories
Programming Languages
1 11 (78.57%) C#
2 9 (64.29%) JavaScript
3 4 (28.57%) SQL
4 2 (14.29%) ES6
4 2 (14.29%) Java
4 2 (14.29%) Python
4 2 (14.29%) Ruby
4 2 (14.29%) TypeScript
5 1 (7.14%) C
5 1 (7.14%) Go
Qualifications
1 1 (7.14%) Degree
Quality Assurance & Compliance
1 1 (7.14%) ISO 9000
System Software
1 1 (7.14%) Docker
1 1 (7.14%) VMware Infrastructure
Systems Management
1 3 (21.43%) Terraform
2 2 (14.29%) Kubernetes
3 1 (7.14%) Ansible
3 1 (7.14%) Puppet
3 1 (7.14%) Rancher
Vendors
1 5 (35.71%) Microsoft
1 5 (35.71%) Oracle
2 2 (14.29%) Coveo
2 2 (14.29%) MuleSoft
2 2 (14.29%) Sitecore
3 1 (7.14%) Google
3 1 (7.14%) VMware