Period
to 23 November 2017

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 6 months to 23 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)
East Sussex > Brighton
6 months to
23 Nov 2017
Same period 2016 Same period 2015
Rank 30 20 25
Rank change year-on-year -10 +5 +8
Contract jobs citing TDD 15 35 39
As % of all contract IT jobs advertised in Brighton 4.31% 9.41% 7.62%
As % of the Processes & Methodologies category 5.07% 11.40% 9.47%
Number of daily rates quoted 12 29 38
Brighton median daily rate £450 £500 £369
Median daily rate % change year-on-year -10.00% +35.59% +11.74%
10th Percentile £314 £313 £284
90th Percentile £538 £556 £577
East Sussex median daily rate £375 £450 £363
% change year-on-year -16.67% +24.14% +30.04%
Number of hourly rates quoted 0 0 0
Brighton median hourly rate - - -
East Sussex median hourly rate - - -

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 Brighton with a requirement for process or methodology skills.

All Process and Methodology Skills
Brighton
Contract vacancies with a requirement for process or methodology skills 296 307 412
As % of all contract IT jobs advertised in Brighton 85.06% 82.53% 80.47%
Number of daily rates quoted 169 189 294
Brighton median daily rate £375 £400 £360
Median daily rate % change year-on-year -6.25% +11.11% +2.86%
10th Percentile £263 £263 £225
90th Percentile £555 £538 £538
East Sussex median daily rate £375 £395 £370
% change year-on-year -5.06% +6.76% +7.56%
Number of hourly rates quoted 7 10 11
Brighton median hourly rate £13.50 £22.59 £21.15
Median hourly rate % change year-on-year -40.24% +6.83% +34.42%
10th Percentile £10.20 £14.01 £16.00
90th Percentile £101.25 £42.23 £40.00
East Sussex median hourly rate £17.00 £21.50 £23.00
% change year-on-year -20.93% -6.52% +46.12%

TDD
Job Vacancy Trend in Brighton

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

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 6 months to 23 November 2017.

Contractor daily rate histogram for TDD in Brighton

For the 6 months to 23 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 Brighton region with a requirement for TDD.

1 15 (100.00%) Agile Software Development
2 10 (66.67%) JavaScript
3 9 (60.00%) HTML
3 9 (60.00%) CSS
3 9 (60.00%) BDD
4 7 (46.67%) Scrum
5 6 (40.00%) Continuous Integration
6 5 (33.33%) C#
6 5 (33.33%) AngularJS
7 4 (26.67%) Java
7 4 (26.67%) Web Development
7 4 (26.67%) JIRA
7 4 (26.67%) jQuery
7 4 (26.67%) Git (software)
7 4 (26.67%) Mocha
7 4 (26.67%) Amazon AWS
7 4 (26.67%) Node.js
8 3 (20.00%) Web Application Development
8 3 (20.00%) Scala
8 3 (20.00%) Hibernate
8 3 (20.00%) Kanban
8 3 (20.00%) Spring
8 3 (20.00%) Ajax
8 3 (20.00%) XML
8 3 (20.00%) SQL Server
8 3 (20.00%) Microsoft
8 3 (20.00%) MVC
8 3 (20.00%) Serverless
8 3 (20.00%) Jasmine
8 3 (20.00%) Jenkins

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:

Application Platforms
1 1 (6.67%) Apache
1 1 (6.67%) Confluence
Cloud Services
1 4 (26.67%) Amazon AWS
2 3 (20.00%) AWS Lambda
2 3 (20.00%) Serverless
3 1 (6.67%) Amazon EC2
3 1 (6.67%) Amazon SQS
3 1 (6.67%) AWS CloudFormation
3 1 (6.67%) npm
3 1 (6.67%) Salesforce Sales Cloud
Communications & Networking
1 1 (6.67%) MQTT
Database & Business Intelligence
1 3 (20.00%) SQL Server
2 1 (6.67%) Big Data
2 1 (6.67%) Data Warehouse
Development Applications
1 4 (26.67%) Git (software)
1 4 (26.67%) JIRA
1 4 (26.67%) Mocha
2 3 (20.00%) Jasmine
2 3 (20.00%) Jenkins
3 2 (13.33%) Grunt
3 2 (13.33%) Selenium
3 2 (13.33%) SpecFlow
3 2 (13.33%) webpack
4 1 (6.67%) Bitbucket
4 1 (6.67%) Gradle
4 1 (6.67%) gulp
4 1 (6.67%) Karma Test Runner
4 1 (6.67%) Mercurial
4 1 (6.67%) PostCSS
4 1 (6.67%) Protractor
4 1 (6.67%) Subversion
General
1 1 (6.67%) Finance
1 1 (6.67%) Marketing
Job Titles
1 11 (73.33%) Developer
2 4 (26.67%) AWS Developer
3 3 (20.00%) Angular Developer
3 3 (20.00%) Java Developer
3 3 (20.00%) Java Scala Developer
3 3 (20.00%) Scala Developer
4 2 (13.33%) .NET Developer
4 2 (13.33%) Full Stack Developer
4 2 (13.33%) Node.js Developer
5 1 (6.67%) C# Software Engineer
5 1 (6.67%) Front End Developer (Client-Side Developer)
5 1 (6.67%) Front End Web Developer (Client-Side Developer)
5 1 (6.67%) JavaScript Developer
5 1 (6.67%) JavaScript Engineer
5 1 (6.67%) Salesforce Developer
5 1 (6.67%) Software Engineer
5 1 (6.67%) Web Developer
Libraries, Frameworks & Software Standards
1 9 (60.00%) CSS
1 9 (60.00%) HTML
2 5 (33.33%) AngularJS
3 4 (26.67%) jQuery
3 4 (26.67%) Node.js
4 3 (20.00%) Ajax
4 3 (20.00%) Angular 2
4 3 (20.00%) Hibernate
4 3 (20.00%) React
4 3 (20.00%) Spring
4 3 (20.00%) XML
5 2 (13.33%) .NET
5 2 (13.33%) CSS3
5 2 (13.33%) HTML5
5 2 (13.33%) Redux
6 1 (6.67%) Ember.js
6 1 (6.67%) Kafka
6 1 (6.67%) LESS
6 1 (6.67%) Sass
6 1 (6.67%) Visualforce
Miscellaneous
1 2 (13.33%) Smart Home
2 1 (6.67%) Greenfield Project
Operating Systems
1 1 (6.67%) Linux
Processes & Methodologies
1 15 (100.00%) Agile Software Development
2 9 (60.00%) BDD
3 7 (46.67%) Scrum
4 6 (40.00%) Continuous Integration
5 4 (26.67%) Web Development
6 3 (20.00%) Continuous Deployment
6 3 (20.00%) Kanban
6 3 (20.00%) MVC
6 3 (20.00%) Web Application Development
7 2 (13.33%) QA Automation
7 2 (13.33%) SDET
7 2 (13.33%) Web Design
7 2 (13.33%) Web Testing
8 1 (6.67%) Data Analysis
8 1 (6.67%) OO
8 1 (6.67%) OOP
8 1 (6.67%) Pair Programming
8 1 (6.67%) Software Engineering
8 1 (6.67%) Test Automation
8 1 (6.67%) Unit Testing
Programming Languages
1 10 (66.67%) JavaScript
2 5 (33.33%) C#
3 4 (26.67%) Java
4 3 (20.00%) Scala
5 1 (6.67%) Apex Code
5 1 (6.67%) ES6
Qualifications
1 2 (13.33%) Degree
Quality Assurance & Compliance
1 2 (13.33%) QA
Vendors
1 3 (20.00%) Microsoft
2 1 (6.67%) Salesforce.com