Period
to 21 January 2018

The following table provides summary statistics for contract job vacancies advertised in Watford 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 21 January 2018 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)
Hertfordshire > Watford
6 months to
21 Jan 2018
Same period 2017 Same period 2016
Rank 26 26 20
Rank change year-on-year 0 -6 +16
Contract jobs citing BDD 24 15 17
As % of all contract IT jobs advertised in Watford 6.30% 5.73% 7.20%
As % of the Processes & Methodologies category 7.14% 6.70% 9.88%
Number of daily rates quoted 14 9 3
Watford median daily rate £450 £525 £450
Median daily rate % change year-on-year -14.29% +16.67% -10.00%
10th Percentile £413 £413 £375
90th Percentile £538 £538 £470
Hertfordshire median daily rate £519 £525 £370
% change year-on-year -1.19% +41.89% -7.50%
Number of hourly rates quoted 0 0 0
Watford median hourly rate - - -
Hertfordshire 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 Watford with a requirement for process or methodology skills.

All Process and Methodology Skills
Watford
Contract vacancies with a requirement for process or methodology skills 336 224 172
As % of all contract IT jobs advertised in Watford 88.19% 85.50% 72.88%
Number of daily rates quoted 142 113 82
Watford median daily rate £400 £425 £403
Median daily rate % change year-on-year -5.88% +5.59% +7.33%
10th Percentile £250 £208 £222
90th Percentile £575 £538 £488
Hertfordshire median daily rate £400 £425 £413
% change year-on-year -5.88% +3.03% +6.80%
Number of hourly rates quoted 12 4 12
Watford median hourly rate £17.75 £13.75 £23.16
Median hourly rate % change year-on-year +29.09% -40.63% +71.56%
10th Percentile £14.23 £12.45 £8.50
90th Percentile £37.90 £15.73 £41.25
Hertfordshire median hourly rate £19.00 £41.13 £21.50
% change year-on-year -53.80% +91.28% -31.75%

BDD
Job Vacancy Trend in Watford

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

Job vacancy trend for BDD in Watford

BDD
Contractor Daily Rate Trend in Watford

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

Contractor daily rate trend for BDD in Watford

BDD
Contractor Daily Rate Histogram in Watford

The daily rate distribution of IT jobs citing BDD in Watford over the 6 months to 21 January 2018.

Contractor daily rate histogram for BDD in Watford

For the 6 months to 21 January 2018, 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 Watford region with a requirement for BDD.

1 22 (91.67%) Agile Software Development
2 15 (62.50%) TDD
3 12 (50.00%) JavaScript
3 12 (50.00%) React
4 11 (45.83%) Java
4 11 (45.83%) Ruby
4 11 (45.83%) Scrum
5 10 (41.67%) Test Automation
6 9 (37.50%) Ruby on Rails
6 9 (37.50%) Continuous Integration
6 9 (37.50%) Web Services
7 8 (33.33%) SQL
7 8 (33.33%) Amazon AWS
7 8 (33.33%) Git (software)
8 7 (29.17%) HTML5
8 7 (29.17%) HTML
8 7 (29.17%) CSS
8 7 (29.17%) E-Commerce
8 7 (29.17%) JIRA
9 6 (25.00%) Selenium
9 6 (25.00%) Pair Programming
9 6 (25.00%) PostgreSQL
9 6 (25.00%) Automotive
9 6 (25.00%) Unix
9 6 (25.00%) Cucumber
9 6 (25.00%) Scenario Testing
10 5 (20.83%) Front End Development
10 5 (20.83%) WebDriver
10 5 (20.83%) hybris
10 5 (20.83%) RESTful

BDD
Co-occurring IT Skills in Watford 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 4 (16.67%) WebSphere
2 1 (4.17%) Apache
2 1 (4.17%) Elasticsearch
2 1 (4.17%) Tomcat
Business Applications
1 4 (16.67%) Magento
Cloud Services
1 8 (33.33%) Amazon AWS
2 4 (16.67%) GitHub
2 4 (16.67%) SaaS
3 2 (8.33%) Heroku
4 1 (4.17%) Amazon ElastiCache
4 1 (4.17%) Amazon S3
4 1 (4.17%) Amazon SQS
4 1 (4.17%) AWS CloudFormation
4 1 (4.17%) AWS Elastic Beanstalk
4 1 (4.17%) AWS Lambda
4 1 (4.17%) CloudFront
4 1 (4.17%) Route 53
4 1 (4.17%) Serverless
Database & Business Intelligence
1 6 (25.00%) PostgreSQL
2 5 (20.83%) DB2
3 4 (16.67%) Amazon DynamoDB
3 4 (16.67%) DbVisualizer
3 4 (16.67%) Redis
4 3 (12.50%) MongoDB
5 1 (4.17%) Amazon RDS
5 1 (4.17%) MySQL
5 1 (4.17%) SQL Server
Development Applications
1 8 (33.33%) Git (software)
2 7 (29.17%) JIRA
3 6 (25.00%) Cucumber
3 6 (25.00%) Selenium
4 5 (20.83%) Jenkins
4 5 (20.83%) WebDriver
4 5 (20.83%) webpack
5 4 (16.67%) Bitbucket
5 4 (16.67%) Mocha
6 3 (12.50%) Grunt
6 3 (12.50%) gulp
6 3 (12.50%) IntelliJ
7 1 (4.17%) GitLab
7 1 (4.17%) Zephyr
General
1 6 (25.00%) Automotive
2 5 (20.83%) Retail
3 2 (8.33%) Finance
4 1 (4.17%) Back Office
4 1 (4.17%) Front Office
4 1 (4.17%) Games
Job Titles
1 12 (50.00%) Developer
2 7 (29.17%) Tester
3 6 (25.00%) Automation Tester
4 4 (16.67%) Front End Developer (Client-Side Developer)
4 4 (16.67%) Java Developer
4 4 (16.67%) Ruby Developer
5 3 (12.50%) Full Stack Developer
5 3 (12.50%) JavaScript Developer
6 2 (8.33%) Java Automation Tester
6 2 (8.33%) QA Tester
6 2 (8.33%) Scrum Master
6 2 (8.33%) Selenium Automation Tester
6 2 (8.33%) Selenium Tester
7 1 (4.17%) AWS Developer
7 1 (4.17%) Cloud Developer
7 1 (4.17%) Data Migration Analyst
7 1 (4.17%) Node.js Developer
7 1 (4.17%) QA Analyst
7 1 (4.17%) QA Test Analyst
7 1 (4.17%) Senior Automation Tester
Libraries, Frameworks & Software Standards
1 12 (50.00%) React
2 9 (37.50%) Ruby on Rails
2 9 (37.50%) Web Services
3 7 (29.17%) CSS
3 7 (29.17%) HTML
3 7 (29.17%) HTML5
4 5 (20.83%) Gherkin
4 5 (20.83%) Node.js
4 5 (20.83%) RESTful
5 4 (16.67%) AngularJS
5 4 (16.67%) CSS3
5 4 (16.67%) JSON
5 4 (16.67%) Redux
5 4 (16.67%) RESTEasy
5 4 (16.67%) Spring
6 3 (12.50%) Chai
6 3 (12.50%) Dropwizard
6 3 (12.50%) Hystrix
6 3 (12.50%) Play Framework
6 3 (12.50%) Spring Boot
Miscellaneous
1 4 (16.67%) Greenfield Project
2 3 (12.50%) Analytical Skills
3 2 (8.33%) User Experience
4 1 (4.17%) Virtual Team
Operating Systems
1 6 (25.00%) Unix
Processes & Methodologies
1 22 (91.67%) Agile Software Development
2 15 (62.50%) TDD
3 11 (45.83%) Scrum
4 10 (41.67%) Test Automation
5 9 (37.50%) Continuous Integration
6 7 (29.17%) E-Commerce
7 6 (25.00%) Pair Programming
7 6 (25.00%) Scenario Testing
8 5 (20.83%) DevOps
8 5 (20.83%) DNA
8 5 (20.83%) Front End Development
8 5 (20.83%) Microservices
8 5 (20.83%) System Testing
9 4 (16.67%) Kanban
9 4 (16.67%) Web Development
10 3 (12.50%) Domain-Driven Design
10 3 (12.50%) MVC
10 3 (12.50%) Refactoring
10 3 (12.50%) SOA
10 3 (12.50%) Software Engineering
Programming Languages
1 12 (50.00%) JavaScript
2 11 (45.83%) Java
2 11 (45.83%) Ruby
3 8 (33.33%) SQL
4 4 (16.67%) Python
5 3 (12.50%) Groovy
6 1 (4.17%) Clojure
6 1 (4.17%) ES6
6 1 (4.17%) Go
6 1 (4.17%) GraphQL
Qualifications
1 1 (4.17%) ISTQB
1 1 (4.17%) ISTQB Foundation Certification
1 1 (4.17%) SC Cleared
1 1 (4.17%) Security Cleared
Quality Assurance & Compliance
1 5 (20.83%) QA
System Software
1 1 (4.17%) Docker
Systems Management
1 4 (16.67%) Ansible
2 1 (4.17%) Opscode Chef
Vendors
1 5 (20.83%) hybris
1 5 (20.83%) Oracle
2 4 (16.67%) IBM
3 3 (12.50%) New Relic
4 1 (4.17%) Atlassian