Period
to 22 November 2017

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 6 months to 22 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.

Behaviour-Driven Development (BDD)
Merseyside > Liverpool
6 months to
22 Nov 2017
Same period 2016 Same period 2015
Rank 30 44 48
Rank change year-on-year +14 +4 -
Contract jobs citing BDD 16 3 7
As % of all contract IT jobs advertised in Liverpool 3.91% 0.68% 1.19%
As % of the Processes & Methodologies category 4.73% 0.90% 1.45%
Number of daily rates quoted 12 3 1
Liverpool median daily rate £400 £370 £300
Median daily rate % change year-on-year +8.11% +23.33% -
10th Percentile £352 £354 £275
90th Percentile £450 £504 £325
Merseyside median daily rate £450 £350 £300
% change year-on-year +28.57% +16.67% -
Number of hourly rates quoted 0 0 0
Liverpool median hourly rate - - -
Merseyside median hourly rate - - -

BDD 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 Liverpool with a requirement for process or methodology skills.

All Process and Methodology Skills
Liverpool
Contract vacancies with a requirement for process or methodology skills 338 335 482
As % of all contract IT jobs advertised in Liverpool 82.64% 76.31% 81.69%
Number of daily rates quoted 225 221 270
Liverpool median daily rate £388 £385 £395
Median daily rate % change year-on-year +0.65% -2.47% +5.27%
10th Percentile £250 £238 £182
90th Percentile £538 £520 £554
Merseyside median daily rate £395 £375 £375
% change year-on-year +5.33% - +7.14%
Number of hourly rates quoted 8 5 5
Liverpool median hourly rate £13.00 £22.85 £17.50
Median hourly rate % change year-on-year -43.09% +30.54% +16.67%
10th Percentile £10.63 £10.70 £11.20
90th Percentile £20.18 £32.06 £97.58
Merseyside median hourly rate £13.00 £22.42 £17.50
% change year-on-year -42.02% +28.13% +12.90%

BDD
Job Vacancy Trend in Liverpool

Job postings citing BDD as a percentage of all IT jobs advertised in Liverpool.

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

For the 6 months to 22 November 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 16 (100.00%) Agile Software Development
2 12 (75.00%) JavaScript
3 11 (68.75%) Java
4 10 (62.50%) TDD
5 9 (56.25%) Scrum
6 8 (50.00%) Kanban
6 8 (50.00%) HTML
6 8 (50.00%) CSS
6 8 (50.00%) Git (software)
6 8 (50.00%) Jenkins
6 8 (50.00%) Front End Development
7 7 (43.75%) Test Automation
7 7 (43.75%) Linux
7 7 (43.75%) Selenium
8 6 (37.50%) MongoDB
8 6 (37.50%) Microservices
9 5 (31.25%) React
9 5 (31.25%) Continuous Delivery
9 5 (31.25%) Node.js
9 5 (31.25%) RESTful
9 5 (31.25%) JSON
10 4 (25.00%) Spring
10 4 (25.00%) MySQL
10 4 (25.00%) Mocha
10 4 (25.00%) Amazon AWS
10 4 (25.00%) Regular Expression
10 4 (25.00%) Redis
10 4 (25.00%) lodash
10 4 (25.00%) bluebird
10 4 (25.00%) Ember.js

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:

Application Platforms
1 1 (6.25%) Elasticsearch
Cloud Services
1 4 (25.00%) Amazon AWS
1 4 (25.00%) AWS Lambda
1 4 (25.00%) Serverless
Database & Business Intelligence
1 6 (37.50%) MongoDB
2 4 (25.00%) MySQL
2 4 (25.00%) Redis
3 3 (18.75%) Oracle Database
4 2 (12.50%) SQL Server
5 1 (6.25%) NoSQL
Development Applications
1 8 (50.00%) Git (software)
1 8 (50.00%) Jenkins
2 7 (43.75%) Selenium
3 4 (25.00%) Grunt
3 4 (25.00%) Mocha
4 3 (18.75%) Cucumber
5 2 (12.50%) Vagrant
6 1 (6.25%) Subversion
Job Titles
1 14 (87.50%) Developer
2 8 (50.00%) Front End Developer (Client-Side Developer)
3 5 (31.25%) Java Developer
4 4 (25.00%) JavaScript Developer
5 2 (12.50%) Analyst
5 2 (12.50%) Test Analyst
5 2 (12.50%) UI Developer
5 2 (12.50%) UI/UX Developer
5 2 (12.50%) UX Developer
6 1 (6.25%) PHP Developer
Libraries, Frameworks & Software Standards
1 8 (50.00%) CSS
1 8 (50.00%) HTML
2 5 (31.25%) JSON
2 5 (31.25%) Node.js
2 5 (31.25%) React
2 5 (31.25%) RESTful
3 4 (25.00%) bluebird
3 4 (25.00%) Chai
3 4 (25.00%) Ember.js
3 4 (25.00%) Express
3 4 (25.00%) JSON Schema
3 4 (25.00%) lodash
3 4 (25.00%) Nightwatchjs
3 4 (25.00%) Nunjucks
3 4 (25.00%) Regular Expression
3 4 (25.00%) Spring
4 2 (12.50%) Gherkin
4 2 (12.50%) Hibernate
4 2 (12.50%) Spring Boot
5 1 (6.25%) REST
Miscellaneous
1 4 (25.00%) Greenfield Project
2 2 (12.50%) User Experience
Operating Systems
1 7 (43.75%) Linux
Processes & Methodologies
1 16 (100.00%) Agile Software Development
2 10 (62.50%) TDD
3 9 (56.25%) Scrum
4 8 (50.00%) Front End Development
4 8 (50.00%) Kanban
5 7 (43.75%) Test Automation
6 6 (37.50%) Microservices
7 5 (31.25%) Continuous Delivery
8 3 (18.75%) Coaching
8 3 (18.75%) Pair Programming
9 2 (12.50%) Integration Testing
9 2 (12.50%) Wireframes
10 1 (6.25%) Continuous Integration
10 1 (6.25%) OO
10 1 (6.25%) OOP
10 1 (6.25%) Open Source
10 1 (6.25%) Responsive Web Design
10 1 (6.25%) SDLC
10 1 (6.25%) Unit Testing
10 1 (6.25%) Web Development
Programming Languages
1 12 (75.00%) JavaScript
2 11 (68.75%) Java
3 4 (25.00%) ES6
4 2 (12.50%) SQL
5 1 (6.25%) PHP
5 1 (6.25%) PHP 5
System Software
1 2 (12.50%) Docker
Vendors
1 3 (18.75%) Oracle