Period
to 18 November 2017

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 18 November 2017 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
18 Nov 2017
Same period 2016 Same period 2015
Rank 36 52 34
Rank change year-on-year +16 -18 +21
Contract jobs citing TDD 55 45 90
As % of all contract IT jobs advertised in Reading 4.35% 3.05% 4.62%
As % of the Processes & Methodologies category 5.29% 3.84% 6.00%
Number of daily rates quoted 45 31 78
Reading median daily rate £365 £413 £400
Median daily rate % change year-on-year -11.52% +3.13% -
10th Percentile £295 £363 £320
90th Percentile £547 £475 £498
Berkshire median daily rate £400 £413 £381
% change year-on-year -3.03% +8.20% +8.93%
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 1040 1173 1499
As % of all contract IT jobs advertised in Reading 82.34% 79.58% 76.99%
Number of daily rates quoted 614 615 923
Reading median daily rate £409 £400 £400
Median daily rate % change year-on-year +2.19% - -
10th Percentile £275 £228 £231
90th Percentile £575 £575 £544
Berkshire median daily rate £425 £400 £400
% change year-on-year +6.25% - +6.67%
Number of hourly rates quoted 41 47 83
Reading median hourly rate £14.50 £22.50 £30.90
Median hourly rate % change year-on-year -35.56% -27.18% +81.02%
10th Percentile £10.75 £14.25 £15.05
90th Percentile £35.00 £55.00 £46.50
Berkshire median hourly rate £14.50 £17.50 £30.90
% change year-on-year -17.14% -43.37% +80.07%

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 18 November 2017.

Contractor daily rate histogram for TDD in Reading

For the 6 months to 18 November 2017, IT contractor jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Reading region with a requirement for TDD.

1 49 (89.09%) BDD
2 45 (81.82%) Agile Software Development
3 31 (56.36%) JavaScript
4 25 (45.45%) HTML
4 25 (45.45%) CSS
4 25 (45.45%) Scrum
5 24 (43.64%) AngularJS
5 24 (43.64%) Test Automation
6 23 (41.82%) ES6
7 22 (40.00%) HTML5
7 22 (40.00%) Continuous Integration
8 21 (38.18%) ECMAScript
8 21 (38.18%) webpack
9 20 (36.36%) Degree
9 20 (36.36%) Twitter Bootstrap
10 19 (34.55%) Computer Science
10 19 (34.55%) CRM
10 19 (34.55%) Sass
10 19 (34.55%) Computer Science Degree
11 17 (30.91%) npm
11 17 (30.91%) gulp
11 17 (30.91%) Protractor
11 17 (30.91%) Open Source
11 17 (30.91%) Karma Test Runner
11 17 (30.91%) Twitter
11 17 (30.91%) Jasmine
12 14 (25.45%) C#
12 14 (25.45%) Front End Development
13 12 (21.82%) .NET
14 11 (20.00%) REST

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 1 (1.82%) Apache
1 1 (1.82%) BizTalk Server
1 1 (1.82%) IIS
1 1 (1.82%) Tomcat
Cloud Services
1 17 (30.91%) npm
Communications & Networking
1 6 (10.91%) HTTP
Database & Business Intelligence
1 8 (14.55%) SQL Server
2 2 (3.64%) MongoDB
2 2 (3.64%) NoSQL
2 2 (3.64%) Redis
3 1 (1.82%) Blockchain
3 1 (1.82%) Data Warehouse
3 1 (1.82%) SQL Server Integration Services
3 1 (1.82%) SQL Server Reporting Services
Development Applications
1 21 (38.18%) webpack
2 17 (30.91%) gulp
2 17 (30.91%) Jasmine
2 17 (30.91%) Karma Test Runner
2 17 (30.91%) Protractor
3 4 (7.27%) Git (software)
4 2 (3.64%) Selenium
4 2 (3.64%) WebDriver
5 1 (1.82%) Atlassian Bamboo
5 1 (1.82%) Cucumber
5 1 (1.82%) JIRA
5 1 (1.82%) Maven
General
1 4 (7.27%) Games
Job Titles
1 42 (76.36%) Developer
2 14 (25.45%) Front End Developer (Client-Side Developer)
3 7 (12.73%) JavaScript Developer
4 5 (9.09%) .NET Developer
5 4 (7.27%) Java Developer
5 4 (7.27%) Sitecore Developer
6 3 (5.45%) Mobile Developer
6 3 (5.45%) Scrum Master
6 3 (5.45%) Senior Developer
6 3 (5.45%) Test Engineer
7 2 (3.64%) Agile Developer
7 2 (3.64%) C# Developer
7 2 (3.64%) Consultant
7 2 (3.64%) Senior Java Developer
7 2 (3.64%) Sitecore Consultant
7 2 (3.64%) Test Leader
7 2 (3.64%) Tester
7 2 (3.64%) Xamarin Developer
8 1 (1.82%) C# .NET Developer
8 1 (1.82%) Senior Agile Developer
Libraries, Frameworks & Software Standards
1 25 (45.45%) CSS
1 25 (45.45%) HTML
2 24 (43.64%) AngularJS
3 22 (40.00%) HTML5
4 20 (36.36%) Twitter Bootstrap
5 19 (34.55%) Sass
6 12 (21.82%) .NET
7 11 (20.00%) REST
8 8 (14.55%) ASP.NET
8 8 (14.55%) ASP.NET MVC
8 8 (14.55%) React
9 6 (10.91%) React Native
10 5 (9.09%) JSON
10 5 (9.09%) OAuth
10 5 (9.09%) Redux
10 5 (9.09%) Semantic HTML
10 5 (9.09%) SOAP
11 4 (7.27%) ASP.NET Web API
11 4 (7.27%) CSS3
11 4 (7.27%) RESTful
Miscellaneous
1 19 (34.55%) Computer Science
2 7 (12.73%) Greenfield Project
3 6 (10.91%) Mobile App
4 1 (1.82%) Fintech
Operating Systems
1 3 (5.45%) Apple iOS
1 3 (5.45%) Windows
2 1 (1.82%) Android
Processes & Methodologies
1 49 (89.09%) BDD
2 45 (81.82%) Agile Software Development
3 25 (45.45%) Scrum
4 24 (43.64%) Test Automation
5 22 (40.00%) Continuous Integration
6 19 (34.55%) CRM
7 17 (30.91%) Open Source
8 14 (25.45%) Front End Development
9 8 (14.55%) MVC
10 5 (9.09%) DevOps
10 5 (9.09%) Microservices
11 4 (7.27%) Kanban
11 4 (7.27%) Mentoring
11 4 (7.27%) Test Strategy
11 4 (7.27%) Workflow
12 3 (5.45%) ATDD
12 3 (5.45%) Integration Testing
12 3 (5.45%) Non-Functional Testing
12 3 (5.45%) Unit Testing
12 3 (5.45%) User Stories
Programming Languages
1 31 (56.36%) JavaScript
2 23 (41.82%) ES6
3 21 (38.18%) ECMAScript
4 14 (25.45%) C#
5 7 (12.73%) Java
5 7 (12.73%) SQL
6 2 (3.64%) Objective-C
7 1 (1.82%) C++
7 1 (1.82%) TypeScript
Qualifications
1 20 (36.36%) Degree
2 19 (34.55%) Computer Science Degree
3 1 (1.82%) SC Cleared
3 1 (1.82%) Security Cleared
Quality Assurance & Compliance
1 6 (10.91%) QA
System Software
1 2 (3.64%) Docker
Vendors
1 17 (30.91%) Twitter
2 4 (7.27%) Sitecore
3 2 (3.64%) IBM
3 2 (3.64%) Microsoft
3 2 (3.64%) Xamarin