Period
to 7 July 2020

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 7 July 2020 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
7 Jul 2020
Same period 2019 Same period 2018
Rank 86 53 56
Rank change year-on-year -33 +3 -6
Contract jobs citing TDD 20 149 132
As % of all contract jobs advertised in Berkshire 1.15% 3.49% 3.27%
As % of the Processes & Methodologies category 1.37% 3.98% 3.77%
Number of daily rates quoted 12 119 88
Median daily rate £475 £450 £375
Median daily rate % change year-on-year +5.56% +20.00% -9.09%
10th Percentile £403 £387 £325
90th Percentile £623 £578 £491
South East median daily rate £463 £470 £450
% change year-on-year -1.60% +4.44% +5.88%
Number of hourly rates quoted 0 0 2
Median hourly rate - - £8.00
South East median hourly rate £51.50 £42.50 £45.00
% change year-on-year +21.18% -5.56% +9.09%

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 1,462 3,743 3,499
As % of all contract IT jobs advertised in Berkshire 84.36% 87.68% 86.65%
Number of daily rates quoted 781 1,810 1,773
Median daily rate £450 £450 £425
Median daily rate % change year-on-year - +5.88% -
10th Percentile £263 £300 £271
90th Percentile £638 £615 £588
South East median daily rate £450 £450 £435
% change year-on-year - +3.45% +4.82%
Number of hourly rates quoted 63 118 80
Median hourly rate £25.91 £21.99 £21.50
Median hourly rate % change year-on-year +17.83% +2.28% +43.33%
10th Percentile £16.15 £12.00 £8.00
90th Percentile £54.10 £74.88 £50.13
Median hourly rate £29.80 £31.42 £25.00
% change year-on-year -5.16% +25.69% +25.00%

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 7 July 2020.

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 7 July 2020. 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 -33 13 £475 +5.56% 6
Bracknell +22 4 £588 +11.90% 8
Maidenhead +9 1 £400 +9.59%
Newbury +9 1 £375 -11.76%
TDD
South East

For the 6 months to 7 July 2020, 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 16 (80.00%) Agile Software Development
2 8 (40.00%) Kanban
2 8 (40.00%) Scrum
2 8 (40.00%) C#
2 8 (40.00%) JavaScript
2 8 (40.00%) DevOps
3 7 (35.00%) Continuous Integration
4 6 (30.00%) Unit Testing
4 6 (30.00%) Git (software)
4 6 (30.00%) Azure
4 6 (30.00%) AWS
4 6 (30.00%) .NET
5 5 (25.00%) SQL Server
5 5 (25.00%) JUnit
5 5 (25.00%) Java
5 5 (25.00%) Web Services
5 5 (25.00%) Node.js
6 4 (20.00%) AngularJS
6 4 (20.00%) Gradle
6 4 (20.00%) Android Development
6 4 (20.00%) React
6 4 (20.00%) CSS
6 4 (20.00%) CRM
6 4 (20.00%) HTML
6 4 (20.00%) Visual Studio
6 4 (20.00%) Test Automation
6 4 (20.00%) Android
6 4 (20.00%) Mockito
6 4 (20.00%) BDD
7 3 (15.00%) HTML5

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 2 (10.00%) Confluence
1 2 (10.00%) Elasticsearch
1 2 (10.00%) SharePoint
2 1 (5.00%) Apache Solr
2 1 (5.00%) CMS
2 1 (5.00%) Drupal
2 1 (5.00%) Sitecore CMS
2 1 (5.00%) Tomcat
2 1 (5.00%) WordPress
Applications
1 1 (5.00%) Microsoft Office
Business Applications
1 3 (15.00%) Dynamics CRM
Cloud Services
1 6 (30.00%) AWS
1 6 (30.00%) Azure
2 3 (15.00%) AWS Lambda
2 3 (15.00%) Serverless
3 2 (10.00%) Dynamics 365
3 2 (10.00%) GCP
4 1 (5.00%) Amazon CloudWatch
4 1 (5.00%) Amazon EC2
4 1 (5.00%) Amazon ElastiCache
4 1 (5.00%) Amazon Kinesis
4 1 (5.00%) Amazon S3
4 1 (5.00%) Amazon SQS
4 1 (5.00%) AWS CloudFormation
4 1 (5.00%) Cloud Computing
4 1 (5.00%) CloudFront
4 1 (5.00%) IaaS
4 1 (5.00%) PaaS
4 1 (5.00%) Power Platform
Communications & Networking
1 1 (5.00%) 2G
1 1 (5.00%) 3G
1 1 (5.00%) 4G
1 1 (5.00%) H.323
1 1 (5.00%) LAN
1 1 (5.00%) Radio Access Network
1 1 (5.00%) RNC
1 1 (5.00%) SIGTRAN
1 1 (5.00%) Skype
1 1 (5.00%) WAN
Database & Business Intelligence
1 5 (25.00%) SQL Server
2 2 (10.00%) Amazon DynamoDB
2 2 (10.00%) MongoDB
2 2 (10.00%) SQL Server Integration Services
3 1 (5.00%) MySQL
3 1 (5.00%) NoSQL
3 1 (5.00%) PostgreSQL
3 1 (5.00%) Relational Database
3 1 (5.00%) SQL Server 2014
3 1 (5.00%) SQL Server 2016
3 1 (5.00%) SQL Server 2019
3 1 (5.00%) SQL Server Reporting Services
Development Applications
1 6 (30.00%) Git (software)
2 5 (25.00%) JUnit
3 4 (20.00%) Gradle
3 4 (20.00%) Mockito
3 4 (20.00%) Visual Studio
4 3 (15.00%) git-flow
5 2 (10.00%) Jenkins
5 2 (10.00%) JIRA
5 2 (10.00%) Maven
5 2 (10.00%) Mercurial
5 2 (10.00%) Selenium
6 1 (5.00%) CircleCI
6 1 (5.00%) Cucumber
6 1 (5.00%) DbUnit
6 1 (5.00%) jMock
6 1 (5.00%) Mocha
6 1 (5.00%) SoapUI
6 1 (5.00%) Team Foundation Server
6 1 (5.00%) WebDriver
6 1 (5.00%) Zephyr
General
1 1 (5.00%) Telecoms
Job Titles
1 16 (80.00%) Developer
2 5 (25.00%) Senior Developer
3 3 (15.00%) .NET Developer
3 3 (15.00%) Android Developer
3 3 (15.00%) CRM Developer
4 2 (10.00%) Dynamics CRM Developer
4 2 (10.00%) iOS Developer
4 2 (10.00%) Java Developer
4 2 (10.00%) Senior iOS Developer
4 2 (10.00%) Senior Java Developer
5 1 (5.00%) C# .NET Developer
5 1 (5.00%) C# Developer
5 1 (5.00%) Drupal Developer
5 1 (5.00%) Full Stack Developer
5 1 (5.00%) Mobile Project Manager
5 1 (5.00%) Senior JavaScript Developer
5 1 (5.00%) Test Automation Engineer
5 1 (5.00%) UI Engineer
5 1 (5.00%) UI/UX Developer
5 1 (5.00%) UX Developer
Libraries, Frameworks & Software Standards
1 6 (30.00%) .NET
2 5 (25.00%) Node.js
2 5 (25.00%) Web Services
3 4 (20.00%) AngularJS
3 4 (20.00%) CSS
3 4 (20.00%) HTML
3 4 (20.00%) React
4 3 (15.00%) .NET Core
4 3 (15.00%) CSS3
4 3 (15.00%) HTML5
4 3 (15.00%) Material Design
4 3 (15.00%) REST
4 3 (15.00%) SOAP
5 2 (10.00%) .NET Framework
5 2 (10.00%) ASP.NET
5 2 (10.00%) ASP.NET MVC
5 2 (10.00%) RESTful
5 2 (10.00%) Spring
5 2 (10.00%) XML
6 1 (5.00%) J2EE
Miscellaneous
1 2 (10.00%) User Experience
2 1 (5.00%) Digital TV
2 1 (5.00%) Life Science
2 1 (5.00%) Video Conferencing
Operating Systems
1 4 (20.00%) Android
2 3 (15.00%) Apple iOS
3 2 (10.00%) Windows
4 1 (5.00%) Linux
Processes & Methodologies
1 16 (80.00%) Agile Software Development
2 8 (40.00%) DevOps
2 8 (40.00%) Kanban
2 8 (40.00%) Scrum
3 7 (35.00%) Continuous Integration
4 6 (30.00%) Unit Testing
5 4 (20.00%) Android Development
5 4 (20.00%) BDD
5 4 (20.00%) CRM
5 4 (20.00%) Test Automation
6 3 (15.00%) iOS Development
6 3 (15.00%) Memory Management
6 3 (15.00%) Microservices
6 3 (15.00%) MVC
6 3 (15.00%) Software Engineering
6 3 (15.00%) User Stories
7 2 (10.00%) Computer Science
7 2 (10.00%) OO
7 2 (10.00%) Pair Programming
7 2 (10.00%) Responsive Web Design
Programming Languages
1 8 (40.00%) C#
1 8 (40.00%) JavaScript
2 5 (25.00%) Java
3 3 (15.00%) SQL
3 3 (15.00%) TypeScript
4 2 (10.00%) Apple Swift
4 2 (10.00%) Objective-C
4 2 (10.00%) PowerShell
4 2 (10.00%) T-SQL
5 1 (5.00%) C
5 1 (5.00%) ES6
5 1 (5.00%) Java 8
5 1 (5.00%) PHP
5 1 (5.00%) Python
Qualifications
1 3 (15.00%) Degree
2 2 (10.00%) Computer Science Degree
3 1 (5.00%) CCNA
3 1 (5.00%) CCNP
3 1 (5.00%) Cisco Certification
3 1 (5.00%) Master's Degree
3 1 (5.00%) MCITP
3 1 (5.00%) Microsoft Certification
3 1 (5.00%) PMI Certification
3 1 (5.00%) PMP
Quality Assurance & Compliance
1 1 (5.00%) PMO
1 1 (5.00%) QA
System Software
1 3 (15.00%) Docker
Systems Management
1 2 (10.00%) Kubernetes
2 1 (5.00%) Ansible
2 1 (5.00%) Docker Swarm
2 1 (5.00%) Terraform
Vendors
1 3 (15.00%) Microsoft
2 1 (5.00%) Atlassian
2 1 (5.00%) CheckPoint
2 1 (5.00%) Ericsson
2 1 (5.00%) Google
2 1 (5.00%) Huawei
2 1 (5.00%) hybris
2 1 (5.00%) Nokia Networks
2 1 (5.00%) Oracle
2 1 (5.00%) Sitecore