Period
to 9 December 2018

The following table provides summary statistics for contract job vacancies advertised in Reading 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 9 December 2018 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)
Berkshire > Reading
6 months to
9 Dec 2018
Same period 2017 Same period 2016
Rank 36 36 46
Rank change year-on-year 0 +10 -12
Contract jobs citing TDD 66 61 55
As % of all contract IT jobs advertised in Reading 4.22% 4.85% 3.74%
As % of the Processes & Methodologies category 4.90% 5.78% 4.61%
Number of daily rates quoted 50 57 36
Reading median daily rate £450 £365 £413
Median daily rate % change year-on-year +23.29% -11.52% +3.13%
10th Percentile £355 £299 £378
90th Percentile £538 £523 £481
Berkshire median daily rate £450 £400 £413
% change year-on-year +12.50% -3.03% +6.45%
Number of hourly rates quoted 0 0 0
Reading median hourly rate - - -
Berkshire median hourly rate - £8.00 -

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 Reading with a requirement for process or methodology skills.

All Process and Methodology Skills
Reading
Contract vacancies with a requirement for process or methodology skills 1,348 1,056 1,194
As % of all contract IT jobs advertised in Reading 86.13% 83.88% 81.28%
Number of daily rates quoted 714 640 616
Reading median daily rate £428 £400 £400
Median daily rate % change year-on-year +6.88% - -
10th Percentile £219 £270 £233
90th Percentile £588 £575 £575
Berkshire median daily rate £425 £425 £400
% change year-on-year - +6.25% -
Number of hourly rates quoted 22 40 45
Reading median hourly rate £37.50 £14.00 £22.50
Median hourly rate % change year-on-year +167.86% -37.78% -27.18%
10th Percentile £20.00 £10.75 £12.45
90th Percentile £57.75 £39.75 £55.00
Berkshire median hourly rate £21.50 £14.50 £18.25
% change year-on-year +48.28% -20.55% -28.53%

TDD
Job Vacancy Trend in Reading

Job postings citing TDD as a percentage of all IT jobs advertised in Reading.

Job vacancy trend for TDD in Reading

TDD
Contractor Daily Rate Trend in Reading

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing TDD in Reading.

Contractor daily rate trend for TDD in Reading

TDD
Contractor Daily Rate Histogram in Reading

The daily rate distribution of IT jobs citing TDD in Reading over the 6 months to 9 December 2018.

Contractor daily rate histogram for TDD in Reading

For the 6 months to 9 December 2018, 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 Reading region with a requirement for TDD.

1 51 (77.27%) Agile Software Development
2 33 (50.00%) C#
3 30 (45.45%) .NET
3 30 (45.45%) BDD
4 29 (43.94%) JavaScript
5 24 (36.36%) CSS
6 22 (33.33%) MVC
6 22 (33.33%) Git (software)
7 20 (30.30%) OO
8 19 (28.79%) Continuous Integration
9 17 (25.76%) ASP.NET Web API
10 16 (24.24%) React
10 16 (24.24%) ASP.NET
10 16 (24.24%) HTML
11 15 (22.73%) OOP
11 15 (22.73%) Microsoft Azure
12 14 (21.21%) Test Automation
12 14 (21.21%) Java
13 13 (19.70%) Scrum
13 13 (19.70%) Visual Studio Team System
14 12 (18.18%) HTML5
15 11 (16.67%) RESTful
15 11 (16.67%) SQL
15 11 (16.67%) SOAP
15 11 (16.67%) AngularJS
16 10 (15.15%) Microservices
16 10 (15.15%) Node.js
16 10 (15.15%) Sass
16 10 (15.15%) SQL Server
17 9 (13.64%) Kanban

TDD
Co-occurring IT Skills in Reading 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 3 (4.55%) CMS
1 3 (4.55%) Elasticsearch
2 2 (3.03%) Apache Spark
3 1 (1.52%) BizTalk Server
3 1 (1.52%) Confluence
3 1 (1.52%) JBoss
3 1 (1.52%) OpenStack
3 1 (1.52%) Tomcat
3 1 (1.52%) WebSphere
3 1 (1.52%) WebSphere Application Server
Cloud Services
1 15 (22.73%) Microsoft Azure
2 7 (10.61%) Amazon AWS
2 7 (10.61%) GitHub
3 4 (6.06%) SaaS
4 2 (3.03%) Amazon EC2
5 1 (1.52%) IaaS
5 1 (1.52%) npm
5 1 (1.52%) PaaS
5 1 (1.52%) Serverless
Communications & Networking
1 1 (1.52%) HTTP
1 1 (1.52%) Skype
Database & Business Intelligence
1 10 (15.15%) SQL Server
2 6 (9.09%) NoSQL
3 3 (4.55%) Cosmos DB
3 3 (4.55%) MongoDB
4 2 (3.03%) Hadoop
4 2 (3.03%) SQL Server 2016
5 1 (1.52%) Big Data
5 1 (1.52%) Data Warehouse
5 1 (1.52%) MySQL
5 1 (1.52%) Oracle Database
5 1 (1.52%) Power BI
5 1 (1.52%) RDBMS
5 1 (1.52%) Relational Database
Development Applications
1 22 (33.33%) Git (software)
2 13 (19.70%) Visual Studio Team System
3 9 (13.64%) Cucumber
4 8 (12.12%) Maven
5 7 (10.61%) Jenkins
5 7 (10.61%) Team Foundation Server
6 6 (9.09%) JUnit
6 6 (9.09%) Mockito
7 5 (7.58%) DbUnit
7 5 (7.58%) JMeter
7 5 (7.58%) jMock
7 5 (7.58%) SonarQube
7 5 (7.58%) Subversion
8 4 (6.06%) Grunt
8 4 (6.06%) gulp
8 4 (6.06%) Jasmine
8 4 (6.06%) PhantomJS
8 4 (6.06%) webpack
9 3 (4.55%) Protractor
9 3 (4.55%) RSpec
General
1 5 (7.58%) Telecoms
2 2 (3.03%) Retail
3 1 (1.52%) Finance
3 1 (1.52%) Games
Job Titles
1 57 (86.36%) Developer
2 20 (30.30%) .NET Developer
3 10 (15.15%) Java Developer
4 9 (13.64%) Front End Developer (Client-Side Developer)
4 9 (13.64%) React Developer
5 7 (10.61%) JavaScript Developer
6 6 (9.09%) C# Developer
7 5 (7.58%) Lead Developer
7 5 (7.58%) UI Developer
8 4 (6.06%) Angular Developer
8 4 (6.06%) Lead .NET Developer
8 4 (6.06%) Senior Developer
9 3 (4.55%) Agile Developer
9 3 (4.55%) Azure Developer
9 3 (4.55%) Full Stack Developer
9 3 (4.55%) HTML CSS Developer
9 3 (4.55%) HTML Developer
10 2 (3.03%) ASP.NET Developer
10 2 (3.03%) BPM Developer
10 2 (3.03%) F# Developer
Libraries, Frameworks & Software Standards
1 30 (45.45%) .NET
2 24 (36.36%) CSS
3 17 (25.76%) ASP.NET Web API
4 16 (24.24%) ASP.NET
4 16 (24.24%) HTML
4 16 (24.24%) React
5 12 (18.18%) HTML5
6 11 (16.67%) AngularJS
6 11 (16.67%) RESTful
6 11 (16.67%) SOAP
7 10 (15.15%) Node.js
7 10 (15.15%) Sass
8 8 (12.12%) CSS3
8 8 (12.12%) LESS
8 8 (12.12%) Web Services
9 7 (10.61%) .NET Framework
9 7 (10.61%) Spring
10 6 (9.09%) ASP.NET MVC
10 6 (9.09%) ASP.NET Web Forms
10 6 (9.09%) REST
Miscellaneous
1 7 (10.61%) Greenfield Project
2 4 (6.06%) User Experience
3 2 (3.03%) NHS
4 1 (1.52%) Analytical Skills
4 1 (1.52%) Enterprise Software
4 1 (1.52%) Virtual Team
Operating Systems
1 1 (1.52%) Apple iOS
1 1 (1.52%) Linux
1 1 (1.52%) Unix
Processes & Methodologies
1 51 (77.27%) Agile Software Development
2 30 (45.45%) BDD
3 22 (33.33%) MVC
4 20 (30.30%) OO
5 19 (28.79%) Continuous Integration
6 15 (22.73%) OOP
7 14 (21.21%) Test Automation
8 13 (19.70%) Scrum
9 10 (15.15%) Microservices
10 9 (13.64%) Front End Development
10 9 (13.64%) Kanban
11 7 (10.61%) E-Commerce
12 6 (9.09%) SOLID
13 5 (7.58%) Concurrent Programming
13 5 (7.58%) Dependency Injection
13 5 (7.58%) DevOps
14 4 (6.06%) Software Engineering
14 4 (6.06%) Web Development
15 3 (4.55%) Multithreading
15 3 (4.55%) Open Source
Programming Languages
1 33 (50.00%) C#
2 29 (43.94%) JavaScript
3 14 (21.21%) Java
4 11 (16.67%) SQL
5 4 (6.06%) F#
5 4 (6.06%) TypeScript
6 1 (1.52%) Java 8
6 1 (1.52%) Objective-C
6 1 (1.52%) Python
6 1 (1.52%) Shell Script
6 1 (1.52%) T-SQL
Qualifications
1 8 (12.12%) Security Cleared
2 7 (10.61%) SC Cleared
Quality Assurance & Compliance
1 1 (1.52%) GDPR
1 1 (1.52%) PMO
System Software
1 6 (9.09%) Docker
2 2 (3.03%) VMware Infrastructure
2 2 (3.03%) vSphere
Systems Management
1 1 (1.52%) Ansible
1 1 (1.52%) Grafana
1 1 (1.52%) HP Quality Center
1 1 (1.52%) Kubernetes
1 1 (1.52%) Opscode Chef
1 1 (1.52%) Prometheus
1 1 (1.52%) Puppet
1 1 (1.52%) Terraform
Vendors
1 4 (6.06%) Google
1 4 (6.06%) Telerik
2 2 (3.03%) Hortonworks
2 2 (3.03%) VMware
3 1 (1.52%) HP
3 1 (1.52%) MuleSoft
3 1 (1.52%) Oracle
3 1 (1.52%) Xamarin