The following table provides summary statistics for contract job vacancies advertised in Brighton with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 3 months to 27 March 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)
East Sussex / Brighton
3 months to
27 Mar 2017
Same period 2016 Same period 2015
Rank 20 12 21
Rank change year-on-year -8 +9  
Contract jobs citing TDD 8 18 18
As % of all contract IT jobs advertised in Brighton 5.80% 9.52% 7.86%
As % of the Processes & Methodologies category 6.72% 12.33% 8.82%
Number of daily rates quoted 6 18 7
Median daily rate £450 £375 £325
Median daily rate % change year-on-year +20.00% +15.38%  
90% offered a daily rate of more than £275 £343 £284
10% offered a daily rate of more than £475 £448 £390
UK excluding London median daily rate £402 £400 £375
% change year-on-year +0.56% +6.66%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £39.00 £45.75 £36.00
% change year-on-year -14.75% +27.08%  

TDD is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Brighton with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Brighton
Contract job vacancies with a requirement for process and methodology skills 119 146 204
As % of all contract IT job vacancies advertised in Brighton 86.23% 77.25% 89.08%
Number of daily rates quoted 73 99 114
Median daily rate £388 £342 £400
Median daily rate % change year-on-year +13.30% -14.50%  
90% offered a daily rate of more than £238 £223 £275
10% offered a daily rate of more than £550 £500 £495
UK excluding London median daily rate £410 £400 £396
% change year-on-year +2.50% +1.01%  
Number of hourly rates quoted 5 3 10
Median hourly rate £11.00 £13.00 £32.50
Median hourly rate % change year-on-year -15.38% -60.00%  
UK excluding London median hourly rate £36.25 £38.50 £30.20
% change year-on-year -5.84% +27.48%  

TDD
Job Vacancy Trend in Brighton

The job posting trend of jobs advertised in Brighton citing TDD as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for TDD in Brighton

TDD
Contractor Daily Rate Trend in Brighton

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

Contractor daily rate trend for TDD in Brighton

TDD
Contractor Daily Rate Histogram in Brighton

The daily rate distribution of IT jobs citing TDD in Brighton over the 3 months to 27 March 2017.

Contractor daily rate histogram for TDD in Brighton

TDD
Top 30 Co-occurring IT Skills in Brighton

For the 6 months to 27 March 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 Brighton region with a requirement for TDD.

1 7 (63.64%) AngularJS
2 6 (54.55%) Agile Software Development
3 5 (45.45%) C#
3 5 (45.45%) HTML
3 5 (45.45%) CSS
4 4 (36.36%) JavaScript
4 4 (36.36%) .NET
4 4 (36.36%) ASP.NET
4 4 (36.36%) Microsoft
4 4 (36.36%) Finance
4 4 (36.36%) BDD
4 4 (36.36%) Node.js
5 3 (27.27%) Git (software)
5 3 (27.27%) Continuous Integration
5 3 (27.27%) Microsoft Azure
5 3 (27.27%) Amazon AWS
5 3 (27.27%) SQL Server
5 3 (27.27%) SQL
5 3 (27.27%) TypeScript
5 3 (27.27%) ASP.NET Web API
5 3 (27.27%) React
5 3 (27.27%) AWS Lambda
5 3 (27.27%) SOLID
5 3 (27.27%) Angular 2
5 3 (27.27%) Continuous Deployment
6 2 (18.18%) Redux
6 2 (18.18%) Front End Development
6 2 (18.18%) Fintech
6 2 (18.18%) Peer-to-Peer Lending
6 2 (18.18%) Serverless Framework

TDD
Co-occurring IT Skills in Brighton 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:

Applications
1 1 (9.09%) MS Excel
Cloud Services
1 3 (27.27%) Amazon AWS
1 3 (27.27%) AWS Lambda
1 3 (27.27%) Microsoft Azure
Database & Business Intelligence
1 3 (27.27%) SQL Server
2 1 (9.09%) Apache Cassandra
2 1 (9.09%) Big Data
2 1 (9.09%) Data Warehouse
2 1 (9.09%) MongoDB
2 1 (9.09%) MySQL
2 1 (9.09%) NoSQL
2 1 (9.09%) PostgreSQL
Development Applications
1 3 (27.27%) Git (software)
2 2 (18.18%) Jasmine
2 2 (18.18%) Jenkins
2 2 (18.18%) Mocha
3 1 (9.09%) NUnit
3 1 (9.09%) Rhino Mocks
General
1 4 (36.36%) Finance
2 1 (9.09%) Back Office
2 1 (9.09%) Games
Job Titles
1 9 (81.82%) Developer
2 3 (27.27%) Full Stack Developer
2 3 (27.27%) Microsoft Developer
3 2 (18.18%) .NET Developer
4 1 (9.09%) Front End Developer (Client-Side Developer)
4 1 (9.09%) Junior
4 1 (9.09%) Junior Developer
4 1 (9.09%) Junior Microsoft Developer
4 1 (9.09%) Quality Engineer
4 1 (9.09%) Scala Developer
4 1 (9.09%) Software Quality Engineer
4 1 (9.09%) Test Automation Manager
4 1 (9.09%) Test Manager
Libraries, Frameworks & Software Standards
1 7 (63.64%) AngularJS
2 5 (45.45%) CSS
2 5 (45.45%) HTML
3 4 (36.36%) .NET
3 4 (36.36%) ASP.NET
3 4 (36.36%) Node.js
4 3 (27.27%) Angular 2
4 3 (27.27%) ASP.NET Web API
4 3 (27.27%) React
5 2 (18.18%) Django
5 2 (18.18%) Redux
5 2 (18.18%) RESTful
5 2 (18.18%) Serverless Framework
6 1 (9.09%) .NET Framework
6 1 (9.09%) Ajax
6 1 (9.09%) HTML5
6 1 (9.09%) jQuery
6 1 (9.09%) JSON
6 1 (9.09%) NHibernate
6 1 (9.09%) Ruby on Rails
Miscellaneous
1 2 (18.18%) Fintech
Operating Systems
1 1 (9.09%) Linux
1 1 (9.09%) Windows
Processes & Methodologies
1 6 (54.55%) Agile Software Development
2 4 (36.36%) BDD
3 3 (27.27%) Continuous Deployment
3 3 (27.27%) Continuous Integration
3 3 (27.27%) SOLID
4 2 (18.18%) Front End Development
4 2 (18.18%) Open Source
4 2 (18.18%) Peer-to-Peer Lending
5 1 (9.09%) Business Analysis
5 1 (9.09%) Configuration Management
5 1 (9.09%) Data Analysis
5 1 (9.09%) Functional Testing
5 1 (9.09%) Kanban
5 1 (9.09%) MVC
5 1 (9.09%) OO
5 1 (9.09%) OOD
5 1 (9.09%) Scrum
5 1 (9.09%) Software Engineering
5 1 (9.09%) Test Strategy
5 1 (9.09%) Web Design
Programming Languages
1 5 (45.45%) C#
2 4 (36.36%) JavaScript
3 3 (27.27%) SQL
3 3 (27.27%) TypeScript
4 1 (9.09%) C++
4 1 (9.09%) Python
4 1 (9.09%) Ruby
4 1 (9.09%) Scala
Vendors
1 4 (36.36%) Microsoft