The following table provides summary statistics for contract job vacancies advertised in Liverpool with a requirement for BDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited BDD 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.

Behaviour-Driven Development (BDD)
Merseyside / Liverpool
3 months to
26 Jun 2017
Same period 2016 Same period 2015
Rank 21 34 32
Rank change year-on-year +13 -2  
Contract jobs citing BDD 17 2 1
As % of all contract IT jobs advertised in Liverpool 6.27% 0.80% 0.37%
As % of the Processes & Methodologies category 7.98% 0.99% 0.50%
Number of daily rates quoted 12 0 1
Median daily rate £450 - £325
UK excluding London median daily rate £400 £425 £374
% change year-on-year -5.88% +13.71%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £47.50 £40.50 -
% change year-on-year +17.28% -  

BDD 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%  

BDD
Job Vacancy Trend in Liverpool

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

Job vacancy trend for BDD in Liverpool

BDD
Contractor Daily Rate Trend in Liverpool

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

Contractor daily rate trend for BDD in Liverpool

BDD
Contractor Daily Rate Histogram in Liverpool

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

Contractor daily rate histogram for BDD in Liverpool

For the 6 months to 26 June 2017, IT contractor jobs citing BDD 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 BDD.

1 27 (100.00%) Agile Software Development
2 23 (85.19%) TDD
3 21 (77.78%) Java
3 21 (77.78%) Jenkins
3 21 (77.78%) Microservices
4 20 (74.07%) Continuous Delivery
4 20 (74.07%) Scrum
5 19 (70.37%) Git (software)
6 18 (66.67%) MongoDB
7 17 (62.96%) RESTful
7 17 (62.96%) Kanban
7 17 (62.96%) JavaScript
7 17 (62.96%) CSS
7 17 (62.96%) HTML
8 16 (59.26%) MySQL
8 16 (59.26%) Spring
9 15 (55.56%) Oracle
9 15 (55.56%) Linux
10 14 (51.85%) Coaching
11 13 (48.15%) Greenfield Project
12 11 (40.74%) Spring Boot
12 11 (40.74%) SQL
13 10 (37.04%) Open Source
13 10 (37.04%) Ember.js
13 10 (37.04%) Front End Development
13 10 (37.04%) React
14 7 (25.93%) Oracle Database
14 7 (25.93%) API Design
14 7 (25.93%) NoSQL
15 6 (22.22%) Continuous Integration

BDD
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:

Database & Business Intelligence
1 18 (66.67%) MongoDB
2 16 (59.26%) MySQL
3 7 (25.93%) NoSQL
3 7 (25.93%) Oracle Database
4 4 (14.81%) SQL Server
Development Applications
1 21 (77.78%) Jenkins
2 19 (70.37%) Git (software)
3 4 (14.81%) Cucumber
3 4 (14.81%) Selenium
3 4 (14.81%) Vagrant
4 2 (7.41%) Subversion
Job Titles
1 14 (51.85%) Developer
2 6 (22.22%) Java Developer
2 6 (22.22%) Java Engineer
3 4 (14.81%) Analyst
3 4 (14.81%) Principal Developer
3 4 (14.81%) Test Analyst
4 3 (11.11%) DevOps Developer
4 3 (11.11%) Front End Developer (Client-Side Developer)
4 3 (11.11%) Senior Java Engineer
4 3 (11.11%) UI Developer
4 3 (11.11%) UI/UX Developer
4 3 (11.11%) UX Developer
5 2 (7.41%) Agile Coach
5 2 (7.41%) Agile Scrum Master
5 2 (7.41%) DevOps Engineer
5 2 (7.41%) PHP Developer
5 2 (7.41%) Scrum Master
5 2 (7.41%) Senior DevOps
5 2 (7.41%) Senior DevOps Engineer
6 1 (3.70%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 17 (62.96%) CSS
1 17 (62.96%) HTML
1 17 (62.96%) RESTful
2 16 (59.26%) Spring
3 11 (40.74%) Spring Boot
4 10 (37.04%) Ember.js
4 10 (37.04%) React
5 4 (14.81%) .NET
5 4 (14.81%) Gherkin
5 4 (14.81%) Hibernate
6 3 (11.11%) .NET Framework
7 2 (7.41%) Yii
8 1 (3.70%) J2EE
Miscellaneous
1 13 (48.15%) Greenfield Project
2 3 (11.11%) User Experience
3 1 (3.70%) Mobile App
Operating Systems
1 15 (55.56%) Linux
2 1 (3.70%) Unix
Processes & Methodologies
1 27 (100.00%) Agile Software Development
2 23 (85.19%) TDD
3 21 (77.78%) Microservices
4 20 (74.07%) Continuous Delivery
4 20 (74.07%) Scrum
5 17 (62.96%) Kanban
6 14 (51.85%) Coaching
7 10 (37.04%) Front End Development
7 10 (37.04%) Open Source
8 7 (25.93%) API Design
9 6 (22.22%) Configuration Management
9 6 (22.22%) Continuous Integration
9 6 (22.22%) DevOps
10 4 (14.81%) Integration Testing
10 4 (14.81%) Test Automation
11 3 (11.11%) Wireframes
12 2 (7.41%) Continuous Improvement
12 2 (7.41%) MVC
12 2 (7.41%) Stakeholder Engagement
12 2 (7.41%) Unit Testing
Programming Languages
1 21 (77.78%) Java
2 17 (62.96%) JavaScript
3 11 (40.74%) SQL
4 2 (7.41%) PHP
4 2 (7.41%) PHP 5
System Software
1 4 (14.81%) Docker
2 3 (11.11%) VMware Infrastructure
Vendors
1 15 (55.56%) Oracle
2 6 (22.22%) VMware