Period
to 18 July 2018

The following table provides summary statistics for contract job vacancies advertised in Hertfordshire 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 18 July 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)
East of England > Hertfordshire
6 months to
18 Jul 2018
Same period 2017 Same period 2016
Rank 58 57 70
Rank change year-on-year -1 +13 +25
Contract jobs citing BDD 42 37 20
As % of all contract IT jobs advertised in Hertfordshire 2.69% 2.94% 1.43%
As % of the Processes & Methodologies category 3.31% 3.64% 1.80%
Number of daily rates quoted 36 34 14
Hertfordshire median daily rate £525 £500 £488
Median daily rate % change year-on-year +5.00% +2.56% +30.00%
10th Percentile £368 £363 £425
90th Percentile £588 £613 £750
East of England median daily rate £500 £450 £425
% change year-on-year +11.11% +5.88% +13.33%
Number of hourly rates quoted 0 0 0
Hertfordshire median hourly rate - - -
East of England median hourly rate £37.50 £35.00 £36.00
% change year-on-year +7.14% -2.78% -

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 Hertfordshire with a requirement for process or methodology skills.

All Process and Methodology Skills
Hertfordshire
Contract vacancies with a requirement for process or methodology skills 1,270 1,016 1,109
As % of all contract IT jobs advertised in Hertfordshire 81.36% 80.70% 79.21%
Number of daily rates quoted 719 520 597
Hertfordshire median daily rate £400 £413 £400
Median daily rate % change year-on-year -3.03% +3.13% +3.23%
10th Percentile £208 £213 £250
90th Percentile £569 £588 £550
East of England median daily rate £436 £425 £413
% change year-on-year +2.65% +3.03% +6.45%
Number of hourly rates quoted 91 66 47
Hertfordshire median hourly rate £17.32 £24.13 £30.00
Median hourly rate % change year-on-year -28.21% -19.58% +43.30%
10th Percentile £11.07 £11.35 £9.23
90th Percentile £46.25 £52.50 £53.00
East of England median hourly rate £17.50 £31.00 £23.00
% change year-on-year -43.55% +34.78% +2.22%

BDD
Job Vacancy Trend in Hertfordshire

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

Job vacancy trend for BDD in Hertfordshire

BDD
Contractor Daily Rate Trend in Hertfordshire

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

Contractor daily rate trend for BDD in Hertfordshire

BDD
Contractor Daily Rate Histogram in Hertfordshire

The daily rate distribution of IT jobs citing BDD in Hertfordshire over the 6 months to 18 July 2018.

Contractor daily rate histogram for BDD in Hertfordshire

BDD
Contract Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing BDD within the Hertfordshire region over the 6 months to 18 July 2018. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Watford +7 15 £538 +19.44% 4
Hemel Hempstead -6 7 £385 +6.94% 1
Welwyn Garden City -8 6 £538 +10.26%
Hatfield -6 2 £525 -
St Albans - 2 £538 - 5
Rickmansworth -5 1 £525 -
BDD
East of England

For the 6 months to 18 July 2018, IT contractor jobs citing BDD also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Hertfordshire region with a requirement for BDD.

1 40 (95.24%) TDD
2 37 (88.10%) Agile Software Development
3 22 (52.38%) Java
4 17 (40.48%) Scrum
4 17 (40.48%) Amazon AWS
5 16 (38.10%) SQL
6 15 (35.71%) Continuous Integration
6 15 (35.71%) Kanban
7 14 (33.33%) HTML
7 14 (33.33%) JavaScript
7 14 (33.33%) CSS
7 14 (33.33%) AngularJS
7 14 (33.33%) Microservices
7 14 (33.33%) Java 8
8 13 (30.95%) Test Automation
8 13 (30.95%) Spring
9 12 (28.57%) Greenfield Project
9 12 (28.57%) HTML5
9 12 (28.57%) Git (software)
10 11 (26.19%) Pair Programming
11 10 (23.81%) RESTful
11 10 (23.81%) C#
11 10 (23.81%) MVC
11 10 (23.81%) E-Commerce
12 9 (21.43%) SQL Server
13 8 (19.05%) .NET
13 8 (19.05%) Linux
13 8 (19.05%) Software Engineering
13 8 (19.05%) MongoDB
13 8 (19.05%) Jenkins

BDD
Co-occurring IT Skills in Hertfordshire 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 6 (14.29%) Elasticsearch
2 2 (4.76%) WebSphere
Business Applications
1 2 (4.76%) Magento
Cloud Services
1 17 (40.48%) Amazon AWS
2 4 (9.52%) Amazon EC2
2 4 (9.52%) Amazon S3
2 4 (9.52%) Amazon SQS
3 3 (7.14%) Google Analytics
3 3 (7.14%) PaaS
4 2 (4.76%) Heroku
Communications & Networking
1 2 (4.76%) DNS
1 2 (4.76%) FTP
1 2 (4.76%) HTTP
1 2 (4.76%) SSL
1 2 (4.76%) TCP/IP
2 1 (2.38%) Wi-Fi
Database & Business Intelligence
1 9 (21.43%) SQL Server
2 8 (19.05%) MongoDB
3 5 (11.90%) SQL Server 2014
4 4 (9.52%) NoSQL
4 4 (9.52%) PostgreSQL
5 3 (7.14%) MySQL
6 2 (4.76%) DB2
6 2 (4.76%) DbVisualizer
Development Applications
1 12 (28.57%) Git (software)
2 8 (19.05%) Jenkins
3 7 (16.67%) JIRA
4 5 (11.90%) Cucumber
4 5 (11.90%) gulp
5 4 (9.52%) JUnit
6 3 (7.14%) Gradle
6 3 (7.14%) Grunt
6 3 (7.14%) IntelliJ
6 3 (7.14%) Mocha
6 3 (7.14%) Mockito
6 3 (7.14%) Selenium
6 3 (7.14%) WebDriver
7 2 (4.76%) Babel
7 2 (4.76%) git-flow
7 2 (4.76%) GitLab
7 2 (4.76%) Jasmine
7 2 (4.76%) Spock
7 2 (4.76%) webpack
7 2 (4.76%) Zephyr
General
1 6 (14.29%) Finance
2 5 (11.90%) Retail
3 3 (7.14%) Advertising
3 3 (7.14%) Marketing
4 1 (2.38%) Games
4 1 (2.38%) Telecoms
Job Titles
1 28 (66.67%) Developer
2 17 (40.48%) Java Developer
3 7 (16.67%) Senior Developer
3 7 (16.67%) Senior Java Developer
4 6 (14.29%) Tester
5 5 (11.90%) .NET Developer
5 5 (11.90%) C# .NET Developer
5 5 (11.90%) C# Developer
6 4 (9.52%) Automation Tester
6 4 (9.52%) Elasticsearch Developer
6 4 (9.52%) Scrum Master
7 3 (7.14%) Java Engineer
7 3 (7.14%) Java Software Developer
7 3 (7.14%) Java Software Engineer
7 3 (7.14%) JavaScript Developer
7 3 (7.14%) Senior Java Engineer
7 3 (7.14%) Senior Java Software Developer
7 3 (7.14%) Senior Java Software Engineer
7 3 (7.14%) Senior Software Developer
7 3 (7.14%) Senior Software Engineer
Libraries, Frameworks & Software Standards
1 14 (33.33%) AngularJS
1 14 (33.33%) CSS
1 14 (33.33%) HTML
2 13 (30.95%) Spring
3 12 (28.57%) HTML5
4 10 (23.81%) RESTful
5 8 (19.05%) .NET
6 7 (16.67%) .NET Core
6 7 (16.67%) CSS3
6 7 (16.67%) J2EE
6 7 (16.67%) Web Services
7 6 (14.29%) Hibernate
7 6 (14.29%) React
7 6 (14.29%) Spring Boot
8 5 (11.90%) ASP.NET MVC
8 5 (11.90%) ASP.NET MVC 5
8 5 (11.90%) Dropwizard
8 5 (11.90%) KnockoutJS
8 5 (11.90%) Node.js
8 5 (11.90%) Twitter Bootstrap
Miscellaneous
1 12 (28.57%) Greenfield Project
2 6 (14.29%) Analytical Skills
3 5 (11.90%) Tandem
4 3 (7.14%) Linux Command Line
4 3 (7.14%) Self-Motivation
5 2 (4.76%) Reference Data
Operating Systems
1 8 (19.05%) Linux
2 4 (9.52%) Unix
Processes & Methodologies
1 40 (95.24%) TDD
2 37 (88.10%) Agile Software Development
3 17 (40.48%) Scrum
4 15 (35.71%) Continuous Integration
4 15 (35.71%) Kanban
5 14 (33.33%) Microservices
6 13 (30.95%) Test Automation
7 11 (26.19%) Pair Programming
8 10 (23.81%) E-Commerce
8 10 (23.81%) MVC
9 8 (19.05%) Software Engineering
9 8 (19.05%) Web Application Development
10 7 (16.67%) Continuous Delivery
10 7 (16.67%) Domain-Driven Design
10 7 (16.67%) Problem-Solving
11 5 (11.90%) DevOps
11 5 (11.90%) Digital Transformation Programme
11 5 (11.90%) ETL
11 5 (11.90%) OO
11 5 (11.90%) Web Development
Programming Languages
1 22 (52.38%) Java
2 16 (38.10%) SQL
3 14 (33.33%) Java 8
3 14 (33.33%) JavaScript
4 10 (23.81%) C#
5 5 (11.90%) Groovy
5 5 (11.90%) T-SQL
6 4 (9.52%) ES6
6 4 (9.52%) Scala
7 2 (4.76%) PHP
7 2 (4.76%) PL/SQL
7 2 (4.76%) TypeScript
Qualifications
1 4 (9.52%) SC Cleared
1 4 (9.52%) Security Cleared
2 2 (4.76%) ISTQB
2 2 (4.76%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 6 (14.29%) QA
System Software
1 6 (14.29%) Docker
Systems Management
1 2 (4.76%) Docker Swarm
2 1 (2.38%) Kubernetes
Vendors
1 6 (14.29%) Oracle
2 5 (11.90%) Microsoft
3 3 (7.14%) Google
3 3 (7.14%) New Relic
4 2 (4.76%) hybris
4 2 (4.76%) IBM
4 2 (4.76%) Talend
4 2 (4.76%) Zend