Period
to 12 November 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 12 November 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
12 Nov 2018
Same period 2017 Same period 2016
Rank 67 65 34
Rank change year-on-year -2 -31 +51
Contract jobs citing BDD 35 37 67
As % of all contract IT jobs advertised in Hertfordshire 2.17% 2.39% 4.84%
As % of the Processes & Methodologies category 2.67% 2.92% 6.15%
Number of daily rates quoted 34 26 56
Hertfordshire median daily rate £550 £450 £525
Median daily rate % change year-on-year +22.22% -14.29% +45.83%
10th Percentile £514 £363 £282
90th Percentile £618 £538 £725
East of England median daily rate £538 £450 £485
% change year-on-year +19.44% -7.22% +29.33%
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 1,311 1,268 1,089
As % of all contract IT jobs advertised in Hertfordshire 81.18% 82.07% 78.63%
Number of daily rates quoted 796 639 620
Hertfordshire median daily rate £425 £400 £410
Median daily rate % change year-on-year +6.25% -2.44% +2.50%
10th Percentile £205 £211 £220
90th Percentile £569 £575 £538
East of England median daily rate £438 £420 £400
% change year-on-year +4.17% +5.00% -
Number of hourly rates quoted 85 69 58
Hertfordshire median hourly rate £17.50 £17.50 £25.00
Median hourly rate % change year-on-year - -30.00% +16.28%
10th Percentile £12.91 £12.40 £10.96
90th Percentile £48.55 £46.10 £53.75
East of England median hourly rate £17.71 £30.75 £31.00
% change year-on-year -42.41% -0.81% +31.91%

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 12 November 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 12 November 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 +13 25 £550 +22.22% 3
Welwyn Garden City -14 5 £538 +2.38% 1
St Albans - 2 £538 - 5
Hatfield 0 1 £525 +20.00% 1
BDD
East of England

For the 6 months to 12 November 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 34 (97.14%) Agile Software Development
2 32 (91.43%) TDD
3 25 (71.43%) Test Automation
4 17 (48.57%) SC Cleared
4 17 (48.57%) Security Cleared
4 17 (48.57%) Data Migration
4 17 (48.57%) Migration
4 17 (48.57%) PostgreSQL
4 17 (48.57%) SQL
4 17 (48.57%) Scaled Agile Framework
5 16 (45.71%) Java
6 15 (42.86%) C#
6 15 (42.86%) Oracle
6 15 (42.86%) SQL Server
6 15 (42.86%) PL/SQL
6 15 (42.86%) XML
6 15 (42.86%) ETL
6 15 (42.86%) Subversion
6 15 (42.86%) JIRA
6 15 (42.86%) Reference Data
6 15 (42.86%) Data Mapping
6 15 (42.86%) Talend
7 14 (40.00%) Microservices
8 13 (37.14%) Java 8
9 11 (31.43%) Spring
10 10 (28.57%) SQL Server Reporting Services
10 10 (28.57%) SQL Server Integration Services
10 10 (28.57%) JSON
10 10 (28.57%) T-SQL
10 10 (28.57%) Amazon AWS

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 2 (5.71%) Elasticsearch
Cloud Services
1 10 (28.57%) Amazon AWS
2 2 (5.71%) Heroku
3 1 (2.86%) Amazon EC2
3 1 (2.86%) Amazon S3
3 1 (2.86%) Amazon SQS
Communications & Networking
1 2 (5.71%) DNS
1 2 (5.71%) FTP
1 2 (5.71%) HTTP
1 2 (5.71%) SSL
1 2 (5.71%) TCP/IP
Database & Business Intelligence
1 17 (48.57%) PostgreSQL
2 15 (42.86%) SQL Server
3 10 (28.57%) SQL Server 2016
3 10 (28.57%) SQL Server Integration Services
3 10 (28.57%) SQL Server Reporting Services
4 6 (17.14%) MongoDB
Development Applications
1 15 (42.86%) JIRA
1 15 (42.86%) Subversion
2 7 (20.00%) Git (software)
3 6 (17.14%) gulp
4 5 (14.29%) Jenkins
5 4 (11.43%) Grunt
5 4 (11.43%) IntelliJ
6 3 (8.57%) Cucumber
6 3 (8.57%) Gradle
7 2 (5.71%) GitLab
7 2 (5.71%) Maven
7 2 (5.71%) Spock
8 1 (2.86%) Appium
8 1 (2.86%) Gatling
8 1 (2.86%) Geb
8 1 (2.86%) Jasmine
8 1 (2.86%) JUnit
8 1 (2.86%) Selenium
8 1 (2.86%) WebDriver
General
1 3 (8.57%) Retail
2 2 (5.71%) Finance
3 1 (2.86%) Games
Job Titles
1 32 (91.43%) Developer
2 17 (48.57%) Data Migration Developer
2 17 (48.57%) SQL Developer
3 15 (42.86%) ETL Developer
3 15 (42.86%) Oracle Developer
3 15 (42.86%) Oracle ETL Developer
3 15 (42.86%) PostgreSQL Developer
3 15 (42.86%) SQL Server Developer
4 14 (40.00%) Java Developer
5 6 (17.14%) Senior Developer
5 6 (17.14%) Senior Java Developer
6 3 (8.57%) Developer/Software Engineer
6 3 (8.57%) Java Engineer
6 3 (8.57%) Java Software Developer
6 3 (8.57%) Java Software Engineer
6 3 (8.57%) Senior Java Engineer
6 3 (8.57%) Senior Java Software Developer
6 3 (8.57%) Senior Java Software Engineer
6 3 (8.57%) Senior Software Developer
6 3 (8.57%) Senior Software Engineer
Libraries, Frameworks & Software Standards
1 15 (42.86%) XML
2 11 (31.43%) Spring
3 10 (28.57%) JSON
4 9 (25.71%) Spring Boot
5 8 (22.86%) Web Services
6 7 (20.00%) AngularJS
6 7 (20.00%) CSS
6 7 (20.00%) HTML
6 7 (20.00%) HTML5
7 6 (17.14%) Dropwizard
8 5 (14.29%) React
9 4 (11.43%) Hystrix
9 4 (11.43%) Scalatra
10 3 (8.57%) J2EE
10 3 (8.57%) Play Framework
10 3 (8.57%) REST
10 3 (8.57%) RESTful
11 2 (5.71%) Ember.js
11 2 (5.71%) OAuth
11 2 (5.71%) OAuth2
Miscellaneous
1 15 (42.86%) Reference Data
2 7 (20.00%) Analytical Skills
2 7 (20.00%) Greenfield Project
3 3 (8.57%) Self-Motivation
4 2 (5.71%) Fintech
Operating Systems
1 3 (8.57%) Linux
2 1 (2.86%) Unix
Processes & Methodologies
1 34 (97.14%) Agile Software Development
2 32 (91.43%) TDD
3 25 (71.43%) Test Automation
4 17 (48.57%) Data Migration
4 17 (48.57%) Migration
4 17 (48.57%) Scaled Agile Framework
5 15 (42.86%) Data Mapping
5 15 (42.86%) ETL
6 14 (40.00%) Microservices
7 10 (28.57%) Problem-Solving
8 9 (25.71%) Continuous Integration
8 9 (25.71%) Kanban
8 9 (25.71%) Scrum
8 9 (25.71%) Software Engineering
9 6 (17.14%) Digital Transformation Programme
9 6 (17.14%) Domain-Driven Design
9 6 (17.14%) Pair Programming
10 4 (11.43%) Continuous Delivery
10 4 (11.43%) Deployment Automation
10 4 (11.43%) Web Application Development
Programming Languages
1 17 (48.57%) SQL
2 16 (45.71%) Java
3 15 (42.86%) C#
3 15 (42.86%) PL/SQL
4 13 (37.14%) Java 8
5 10 (28.57%) T-SQL
6 9 (25.71%) JavaScript
7 6 (17.14%) Groovy
8 3 (8.57%) ES6
9 2 (5.71%) TypeScript
10 1 (2.86%) Scala
Qualifications
1 17 (48.57%) SC Cleared
1 17 (48.57%) Security Cleared
Quality Assurance & Compliance
1 5 (14.29%) QA
2 2 (5.71%) Data Quality
System Software
1 5 (14.29%) Docker
Systems Management
1 2 (5.71%) Docker Swarm
2 1 (2.86%) Kubernetes
Vendors
1 15 (42.86%) Oracle
1 15 (42.86%) Talend
2 4 (11.43%) New Relic