The following table provides summary statistics for contract job vacancies advertised in Liverpool 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 26 June 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)
Merseyside / Liverpool
3 months to
26 Jun 2017
Same period 2016 Same period 2015
Rank 14 28 31
Rank change year-on-year +14 +3  
Contract jobs citing TDD 25 8 2
As % of all contract IT jobs advertised in Liverpool 9.23% 3.20% 0.75%
As % of the Processes & Methodologies category 11.74% 3.96% 0.99%
Number of daily rates quoted 20 4 1
Median daily rate £413 £325 £325
Median daily rate % change year-on-year +26.92% -  
UK excluding London median daily rate £420 £413 £375
% change year-on-year +1.81% +10.00%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £41.50 £40.00 £43.75
% change year-on-year +3.75% -8.57%  

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 Liverpool with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Liverpool
Contract job vacancies with a requirement for process and methodology skills 213 202 202
As % of all contract IT job vacancies advertised in Liverpool 78.60% 80.80% 75.66%
Number of daily rates quoted 142 127 116
Median daily rate £425 £400 £490
Median daily rate % change year-on-year +6.25% -18.36%  
90% offered a daily rate of more than £313 £275 £265
10% offered a daily rate of more than £550 £550 £700
UK excluding London median daily rate £415 £400 £380
% change year-on-year +3.75% +5.26%  
Number of hourly rates quoted 1 2 1
Median hourly rate £13.50 £18.80 £51.67
Median hourly rate % change year-on-year -28.19% -63.61%  
UK excluding London median hourly rate £34.00 £28.50 £30.00
% change year-on-year +19.29% -5.00%  

TDD
Job Vacancy Trend in Liverpool

The job posting trend of jobs advertised in Liverpool 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 Liverpool

TDD
Contractor Daily Rate Trend in Liverpool

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

Contractor daily rate trend for TDD in Liverpool

TDD
Contractor Daily Rate Histogram in Liverpool

The daily rate distribution of IT jobs citing TDD in Liverpool over the 3 months to 26 June 2017.

Contractor daily rate histogram for TDD in Liverpool

For the 6 months to 26 June 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 Liverpool region with a requirement for TDD.

1 39 (84.78%) Agile Software Development
2 29 (63.04%) Git (software)
3 28 (60.87%) Java
3 28 (60.87%) JavaScript
4 27 (58.70%) HTML
5 24 (52.17%) Jenkins
6 23 (50.00%) BDD
7 22 (47.83%) Scrum
8 20 (43.48%) CSS
9 18 (39.13%) Microservices
10 17 (36.96%) MySQL
10 17 (36.96%) RESTful
10 17 (36.96%) Kanban
10 17 (36.96%) Spring
11 16 (34.78%) Oracle
11 16 (34.78%) Continuous Delivery
12 15 (32.61%) DevOps
12 15 (32.61%) MongoDB
12 15 (32.61%) Continuous Integration
12 15 (32.61%) Linux
13 14 (30.43%) Coaching
14 13 (28.26%) Front End Development
14 13 (28.26%) Greenfield Project
15 11 (23.91%) Spring Boot
15 11 (23.91%) React
15 11 (23.91%) Ember.js
15 11 (23.91%) SQL
16 10 (21.74%) PHP
16 10 (21.74%) Open Source
17 9 (19.57%) API Design

TDD
Co-occurring IT Skills in Liverpool 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 8 (17.39%) CMS
2 6 (13.04%) Drupal
3 1 (2.17%) Adobe Experience Manager
3 1 (2.17%) Elasticsearch
3 1 (2.17%) Joomla!
3 1 (2.17%) WordPress
Applications
1 2 (4.35%) Photoshop
2 1 (2.17%) Adobe Creative Suite
2 1 (2.17%) Adobe Illustrator
2 1 (2.17%) Fireworks
Business Applications
1 1 (2.17%) Magento
Cloud Services
1 1 (2.17%) Amazon AWS
1 1 (2.17%) Amazon S3
1 1 (2.17%) Amazon SQS
1 1 (2.17%) CloudFront
1 1 (2.17%) Microsoft Azure
1 1 (2.17%) SaaS
Database & Business Intelligence
1 17 (36.96%) MySQL
2 15 (32.61%) MongoDB
3 7 (15.22%) NoSQL
3 7 (15.22%) Oracle Database
4 5 (10.87%) SQL Server
Development Applications
1 29 (63.04%) Git (software)
2 24 (52.17%) Jenkins
3 2 (4.35%) Grunt
3 2 (4.35%) gulp
3 2 (4.35%) Subversion
4 1 (2.17%) Jasmine
4 1 (2.17%) Karma Test Runner
4 1 (2.17%) Mocha
4 1 (2.17%) Moq
4 1 (2.17%) MSTest
4 1 (2.17%) NUnit
4 1 (2.17%) Octopus Deploy
4 1 (2.17%) Sinon.JS
4 1 (2.17%) webpack
Job Titles
1 37 (80.43%) Developer
2 17 (36.96%) Java Developer
3 12 (26.09%) Agile Developer
3 12 (26.09%) Agile Java Developer
4 11 (23.91%) Senior Developer
4 11 (23.91%) Senior Java Developer
5 10 (21.74%) Senior Agile Developer
5 10 (21.74%) Senior Agile Java Developer
6 9 (19.57%) PHP Developer
7 6 (13.04%) Drupal Developer
7 6 (13.04%) Full Stack Developer
7 6 (13.04%) Java Engineer
7 6 (13.04%) PHP Drupal Developer
8 5 (10.87%) Front End Developer (Client-Side Developer)
8 5 (10.87%) PHP Laravel Developer
9 4 (8.70%) Principal Developer
10 3 (6.52%) Senior Java Engineer
10 3 (6.52%) UI Developer
10 3 (6.52%) UI/UX Developer
10 3 (6.52%) UX Developer
Libraries, Frameworks & Software Standards
1 27 (58.70%) HTML
2 20 (43.48%) CSS
3 17 (36.96%) RESTful
3 17 (36.96%) Spring
4 11 (23.91%) Ember.js
4 11 (23.91%) React
4 11 (23.91%) Spring Boot
5 9 (19.57%) HTML5
6 6 (13.04%) .NET
6 6 (13.04%) Laravel
7 4 (8.70%) .NET Framework
7 4 (8.70%) AngularJS
7 4 (8.70%) Hibernate
8 2 (4.35%) ASP.NET
8 2 (4.35%) ASP.NET MVC
8 2 (4.35%) CSS3
8 2 (4.35%) J2EE
8 2 (4.35%) Yii
9 1 (2.17%) jQuery
9 1 (2.17%) LINQ
Miscellaneous
1 13 (28.26%) Greenfield Project
2 4 (8.70%) User Experience
3 2 (4.35%) Mobile App
4 1 (2.17%) Fintech
Operating Systems
1 15 (32.61%) Linux
2 1 (2.17%) Unix
2 1 (2.17%) Windows
Processes & Methodologies
1 39 (84.78%) Agile Software Development
2 23 (50.00%) BDD
3 22 (47.83%) Scrum
4 18 (39.13%) Microservices
5 17 (36.96%) Kanban
6 16 (34.78%) Continuous Delivery
7 15 (32.61%) Continuous Integration
7 15 (32.61%) DevOps
8 14 (30.43%) Coaching
9 13 (28.26%) Front End Development
10 10 (21.74%) Open Source
11 9 (19.57%) API Design
11 9 (19.57%) OOD
12 6 (13.04%) Configuration Management
13 4 (8.70%) MVC
13 4 (8.70%) Wireframes
14 3 (6.52%) Unit Testing
15 2 (4.35%) OOP
15 2 (4.35%) Pair Programming
15 2 (4.35%) Stakeholder Engagement
Programming Languages
1 28 (60.87%) Java
1 28 (60.87%) JavaScript
2 11 (23.91%) SQL
3 10 (21.74%) PHP
4 2 (4.35%) C#
4 2 (4.35%) PHP 5
System Software
1 3 (6.52%) VMware Infrastructure
Vendors
1 16 (34.78%) Oracle
2 6 (13.04%) VMware
3 1 (2.17%) Adobe
Liverpool, Merseyside
Uniting Ambition
Rate: £400 - 450 per day
Posted: 7 hours ago
Liverpool, Merseyside
Oscar
Rate: £350 - £400 per day
Posted: 6 days ago