Period
to

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 23 May 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)
East of England > Cambridgeshire
6 months to
23 May 2022
Same period 2021 Same period 2020
Rank 62 48 21
Rank change year-on-year -14 -27 +17
Contract jobs citing TDD 15 3 38
As % of all contract jobs advertised in Cambridgeshire 1.81% 0.61% 6.51%
As % of the Processes & Methodologies category 2.33% 0.74% 7.27%
Number of daily rates quoted 14 3 30
10th Percentile £474 £458 £412
25th Percentile £513 £459 £466
Median daily rate (50th Percentile) £525 £475 £525
Median % change year-on-year +10.53% -9.52% +25.00%
75th Percentile £639 £578 £550
90th Percentile £682 £633 £700
East of England median daily rate £578 £500 £500
% change year-on-year +15.55% - +5.26%

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 643 404 523
As % of all contract IT jobs advertised in Cambridgeshire 77.66% 81.62% 89.55%
Number of daily rates quoted 371 235 325
10th Percentile £201 £182 £264
25th Percentile £317 £307 £375
Median daily rate (50th Percentile) £463 £400 £475
Median % change year-on-year +15.63% -15.79% +5.56%
75th Percentile £538 £500 £550
90th Percentile £640 £583 £638
East of England median daily rate £475 £425 £440
% change year-on-year +11.76% -3.41% -2.22%
Number of hourly rates quoted 144 92 44
10th Percentile - - £13.00
25th Percentile £13.25 £12.25 £14.75
Median hourly rate £15.50 £15.00 £17.30
Median % change year-on-year +3.33% -13.29% +1.02%
75th Percentile £20.56 £18.75 £26.25
90th Percentile £32.31 £23.63 £48.75
East of England median hourly rate £21.00 £18.50 £20.00
% change year-on-year +13.51% -7.50% +15.94%

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 23 May 2022.

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 23 May 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
Cambridge -4 9 £620 -2.75% 9
Peterborough -22 6 £525 +12.00% 1
TDD
East of England

For the 6 months to 23 May 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 Cambridgeshire region with a requirement for TDD.

1 12 (80.00%) Agile
2 9 (60.00%) Scrum
3 8 (53.33%) AngularJS
4 7 (46.67%) HTML
4 7 (46.67%) JavaScript
4 7 (46.67%) .NET
4 7 (46.67%) CSS
5 6 (40.00%) C#
5 6 (40.00%) Twitter Bootstrap
5 6 (40.00%) CI/CD
6 5 (33.33%) ASP.NET Web API
6 5 (33.33%) Web Application Development
6 5 (33.33%) Oracle
6 5 (33.33%) SQL Server
6 5 (33.33%) MVC
6 5 (33.33%) jQuery
7 4 (26.67%) Python
7 4 (26.67%) PostgreSQL
7 4 (26.67%) Google
7 4 (26.67%) Test Automation
7 4 (26.67%) Elasticsearch
7 4 (26.67%) React
8 2 (13.33%) DevSecOps
8 2 (13.33%) Clean Code
8 2 (13.33%) Front End Development
8 2 (13.33%) Mentoring
8 2 (13.33%) Coaching
8 2 (13.33%) GCP
8 2 (13.33%) GitLab
8 2 (13.33%) Kubernetes

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 4 (26.67%) Elasticsearch
2 2 (13.33%) nginx
Cloud Services
1 2 (13.33%) GCP
Communications & Networking
1 2 (13.33%) 4G
1 2 (13.33%) LTE
Database & Business Intelligence
1 5 (33.33%) SQL Server
2 4 (26.67%) PostgreSQL
Development Applications
1 2 (13.33%) GitLab
1 2 (13.33%) Selenium
2 1 (6.67%) Postman
2 1 (6.67%) WebDriver
2 1 (6.67%) webpack
General
1 1 (6.67%) Social Skills
Job Titles
1 9 (60.00%) Developer
2 5 (33.33%) .NET Developer
3 4 (26.67%) Python Engineer
4 2 (13.33%) Angular Developer
4 2 (13.33%) Front End Developer (Client-Side Developer)
4 2 (13.33%) Kubernetes Engineer
4 2 (13.33%) Principal Engineer
4 2 (13.33%) Test Automation Engineer
4 2 (13.33%) Test Engineer
5 1 (6.67%) HTML CSS Developer
5 1 (6.67%) HTML Developer
5 1 (6.67%) JavaScript Developer
Libraries, Frameworks & Software Standards
1 8 (53.33%) AngularJS
2 7 (46.67%) .NET
2 7 (46.67%) CSS
2 7 (46.67%) HTML
3 6 (40.00%) Twitter Bootstrap
4 5 (33.33%) ASP.NET Web API
4 5 (33.33%) jQuery
5 4 (26.67%) React
6 2 (13.33%) Entity Framework
6 2 (13.33%) GraphQL
6 2 (13.33%) Kafka
6 2 (13.33%) Material Design
7 1 (6.67%) Node.js
7 1 (6.67%) Spring
7 1 (6.67%) Tailwind CSS
7 1 (6.67%) Vue.js
Miscellaneous
1 2 (13.33%) IoT
Operating Systems
1 2 (13.33%) Linux
2 1 (6.67%) Unix
Processes & Methodologies
1 12 (80.00%) Agile
2 9 (60.00%) Scrum
3 6 (40.00%) CI/CD
4 5 (33.33%) MVC
4 5 (33.33%) Web Application Development
5 4 (26.67%) Test Automation
6 2 (13.33%) Clean Code
6 2 (13.33%) Coaching
6 2 (13.33%) DevSecOps
6 2 (13.33%) Domain-Driven Design
6 2 (13.33%) Front End Development
6 2 (13.33%) High Availability
6 2 (13.33%) Mentoring
6 2 (13.33%) Pair Programming
6 2 (13.33%) SOLID
7 1 (6.67%) API Testing
7 1 (6.67%) Community of Practice
7 1 (6.67%) Scaled Agile Framework
7 1 (6.67%) Test Planning
7 1 (6.67%) User Stories
Programming Languages
1 7 (46.67%) JavaScript
2 6 (40.00%) C#
3 4 (26.67%) Python
4 2 (13.33%) Go
4 2 (13.33%) TypeScript
5 1 (6.67%) Ruby
5 1 (6.67%) SQL
System Software
1 2 (13.33%) Docker
Systems Management
1 2 (13.33%) Kubernetes
1 2 (13.33%) Terraform
Vendors
1 5 (33.33%) Oracle
2 4 (26.67%) Google