Period
to 4 March 2021

The following table provides summary statistics for contract job vacancies advertised in Berkshire 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 March 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)
South East > Berkshire
6 months to
4 Mar 2021
Same period 2020 Same period 2019
Rank 83 105 48
Rank change year-on-year +22 -57 -9
Contract jobs citing TDD 11 48 159
As % of all contract jobs advertised in Berkshire 0.80% 1.57% 3.81%
As % of the Processes & Methodologies category 0.90% 1.85% 4.35%
Number of daily rates quoted 6 32 117
Median daily rate £450 £463 £450
Median daily rate % change year-on-year -2.70% +2.78% +17.65%
10th Percentile £281 £363 £361
90th Percentile £538 £500 £623
South East median daily rate £459 £450 £475
% change year-on-year +1.94% -5.26% +11.76%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
South East median hourly rate £58.00 £51.50 £48.40
% change year-on-year +12.62% +6.40% +7.56%

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 Berkshire with a requirement for process or methodology skills.

All Process and Methodology Skills
Berkshire
Contract vacancies with a requirement for process or methodology skills 1,219 2,589 3,657
As % of all contract IT jobs advertised in Berkshire 88.21% 84.86% 87.53%
Number of daily rates quoted 727 1,404 1,759
Median daily rate £463 £438 £443
Median daily rate % change year-on-year +5.71% -1.13% +4.12%
10th Percentile £249 £227 £263
90th Percentile £638 £600 £600
South East median daily rate £450 £450 £450
Number of hourly rates quoted 80 87 100
Median hourly rate £25.50 £21.00 £17.25
Median hourly rate % change year-on-year +21.43% +21.74% +23.21%
10th Percentile £11.45 £14.50 £12.00
90th Percentile £61.77 £78.75 £48.78
Median hourly rate £27.00 £22.50 £26.65
% change year-on-year +20.00% -15.57% +18.44%

TDD
Job Vacancy Trend in Berkshire

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

Job vacancy trend for TDD in Berkshire

TDD
Contractor Daily Rate Trend in Berkshire

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

Daily rate trend for TDD in Berkshire

TDD
Daily Rate Histogram in Berkshire

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

Daily rate histogram for TDD in Berkshire

TDD
Contractor Hourly Rate Trend in Berkshire

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

Hourly rate trend for TDD in Berkshire

TDD
Contract Job Locations in Berkshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the Berkshire region over the 6 months to 4 March 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
Reading +23 9 £450 -2.70% 21
Newbury +26 1 £200 -46.67% 4
TDD
South East

For the 6 months to 4 March 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 Berkshire region with a requirement for TDD.

1 9 (81.82%) Agile Software Development
2 6 (54.55%) Scrum
3 5 (45.45%) Continuous Integration
3 5 (45.45%) Test Automation
4 4 (36.36%) AWS
4 4 (36.36%) Cucumber
4 4 (36.36%) BDD
4 4 (36.36%) JavaScript
4 4 (36.36%) DevOps
5 3 (27.27%) Go
5 3 (27.27%) GCP
5 3 (27.27%) Microservices
5 3 (27.27%) Terraform
5 3 (27.27%) Docker
5 3 (27.27%) C#
5 3 (27.27%) Java
5 3 (27.27%) Software Engineering
5 3 (27.27%) Web Services
5 3 (27.27%) Node.js
5 3 (27.27%) Azure
6 2 (18.18%) Games
6 2 (18.18%) WebDriver
6 2 (18.18%) Apple iOS
6 2 (18.18%) Unified Communications
6 2 (18.18%) SoapUI
6 2 (18.18%) Domain-Driven Design
6 2 (18.18%) RESTful
6 2 (18.18%) Kanban
6 2 (18.18%) Android
6 2 (18.18%) Unit Testing

TDD
Co-occurring IT Skills in Berkshire 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 (9.09%) Confluence
1 1 (9.09%) Elasticsearch
Cloud Services
1 4 (36.36%) AWS
2 3 (27.27%) Azure
2 3 (27.27%) GCP
3 2 (18.18%) AWS Lambda
3 2 (18.18%) IaaS
3 2 (18.18%) Serverless
4 1 (9.09%) Firebase
Communications & Networking
1 2 (18.18%) Unified Communications
2 1 (9.09%) IPv4
2 1 (9.09%) IPv6
2 1 (9.09%) Wireshark
Database & Business Intelligence
1 1 (9.09%) DB2
1 1 (9.09%) MongoDB
Development Applications
1 4 (36.36%) Cucumber
2 2 (18.18%) JIRA
2 2 (18.18%) JMeter
2 2 (18.18%) Postman
2 2 (18.18%) Selenium
2 2 (18.18%) SoapUI
2 2 (18.18%) WebDriver
3 1 (9.09%) Appium
3 1 (9.09%) Cypress.io
3 1 (9.09%) GitLab
3 1 (9.09%) Jenkins
3 1 (9.09%) JUnit
3 1 (9.09%) LoadRunner
3 1 (9.09%) Protractor
3 1 (9.09%) SpecFlow
3 1 (9.09%) Terragrunt
3 1 (9.09%) Zephyr
General
1 2 (18.18%) Games
2 1 (9.09%) Manufacturing
Job Titles
1 4 (36.36%) Test Engineer
2 3 (27.27%) Test Automation Engineer
3 2 (18.18%) Developer
4 1 (9.09%) Android Engineer
4 1 (9.09%) Android Test Engineer
4 1 (9.09%) Architect
4 1 (9.09%) Front End Developer (Client-Side Developer)
4 1 (9.09%) Full Stack Developer
4 1 (9.09%) QA Engineer
4 1 (9.09%) QA Test Engineer
4 1 (9.09%) Scrum Master
4 1 (9.09%) Software Engineer
4 1 (9.09%) Solutions Architect
Libraries, Frameworks & Software Standards
1 3 (27.27%) Node.js
1 3 (27.27%) Web Services
2 2 (18.18%) .NET
2 2 (18.18%) Gherkin
2 2 (18.18%) RESTful
2 2 (18.18%) SOAP
3 1 (9.09%) .NET Core
3 1 (9.09%) HTML
3 1 (9.09%) HTML5
3 1 (9.09%) Puppeteer
3 1 (9.09%) React
3 1 (9.09%) REST
3 1 (9.09%) Swagger
3 1 (9.09%) XML
Miscellaneous
1 2 (18.18%) Cloud Native
1 2 (18.18%) Mobile App
2 1 (9.09%) Greenfield Project
Operating Systems
1 2 (18.18%) Android
1 2 (18.18%) Apple iOS
2 1 (9.09%) Linux
2 1 (9.09%) Mac OS
Processes & Methodologies
1 9 (81.82%) Agile Software Development
2 6 (54.55%) Scrum
3 5 (45.45%) Continuous Integration
3 5 (45.45%) Test Automation
4 4 (36.36%) BDD
4 4 (36.36%) DevOps
5 3 (27.27%) Microservices
5 3 (27.27%) Software Engineering
6 2 (18.18%) API Testing
6 2 (18.18%) Continuous Improvement
6 2 (18.18%) CQRS
6 2 (18.18%) Domain-Driven Design
6 2 (18.18%) Fintech
6 2 (18.18%) Kanban
6 2 (18.18%) OO
6 2 (18.18%) SDLC
6 2 (18.18%) SOLID
6 2 (18.18%) Test Management
6 2 (18.18%) Unit Testing
6 2 (18.18%) User Stories
Programming Languages
1 4 (36.36%) JavaScript
2 3 (27.27%) C#
2 3 (27.27%) Go
2 3 (27.27%) Java
3 2 (18.18%) Python
3 2 (18.18%) TypeScript
4 1 (9.09%) Bash Shell
4 1 (9.09%) Perl
4 1 (9.09%) PowerShell
4 1 (9.09%) SQL
Qualifications
1 2 (18.18%) Degree
Quality Assurance & Compliance
1 2 (18.18%) QA
System Software
1 3 (27.27%) Docker
Systems Management
1 3 (27.27%) Terraform
2 1 (9.09%) HP Quality Center
Vendors
1 2 (18.18%) Google
1 2 (18.18%) Xamarin
2 1 (9.09%) Salesforce.com