Period
to 18 January 2019

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 January 2019 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 Jan 2019
Same period 2018 Same period 2017
Rank 63 54 18
Rank change year-on-year -9 -36 +54
Contract jobs citing BDD 32 49 107
As % of all contract IT jobs advertised in Hertfordshire 2.20% 3.17% 7.62%
As % of the Processes & Methodologies category 2.69% 3.79% 9.65%
Number of daily rates quoted 30 26 89
Hertfordshire median daily rate £550 £519 £525
Median daily rate % change year-on-year +6.02% -1.19% +45.83%
10th Percentile £468 £413 £306
90th Percentile £605 £538 £620
East of England median daily rate £518 £450 £495
% change year-on-year +15.00% -9.09% +17.51%
Number of hourly rates quoted 0 0 0
Hertfordshire median hourly rate - - -
East of England median hourly rate - - £41.00

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 1,189 1,294 1,109
As % of all contract IT jobs advertised in Hertfordshire 81.89% 83.65% 78.99%
Number of daily rates quoted 710 648 618
Hertfordshire median daily rate £425 £400 £425
Median daily rate % change year-on-year +6.25% -5.88% +3.03%
10th Percentile £205 £213 £213
90th Percentile £569 £575 £550
East of England median daily rate £450 £425 £400
% change year-on-year +5.88% +6.25% -
Number of hourly rates quoted 66 60 57
Hertfordshire median hourly rate £18.74 £17.75 £39.70
Median hourly rate % change year-on-year +5.55% -55.29% +84.65%
10th Percentile £12.74 £13.00 £10.30
90th Percentile £51.25 £47.25 £53.00
East of England median hourly rate £19.25 £31.27 £32.50
% change year-on-year -38.43% -3.80% +9.24%

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 January 2019.

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 January 2019. 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 +11 25 £550 +22.22% 3
Welwyn Garden City -5 3 £538 +2.38%
BDD
East of England

For the 6 months to 18 January 2019, 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 32 (100.00%) Agile Software Development
2 29 (90.63%) TDD
3 25 (78.13%) Test Automation
4 20 (62.50%) SQL
5 19 (59.38%) Migration
5 19 (59.38%) Data Migration
5 19 (59.38%) SC Cleared
5 19 (59.38%) Security Cleared
5 19 (59.38%) Scaled Agile Framework
6 15 (46.88%) Subversion
7 14 (43.75%) PostgreSQL
7 14 (43.75%) C#
7 14 (43.75%) SQL Server
7 14 (43.75%) JIRA
8 13 (40.63%) Reference Data
8 13 (40.63%) Data Mapping
8 13 (40.63%) Talend
8 13 (40.63%) XML
8 13 (40.63%) PL/SQL
8 13 (40.63%) Oracle
8 13 (40.63%) ETL
9 11 (34.38%) Problem-Solving
10 10 (31.25%) SQL Server 2016
10 10 (31.25%) SQL Server Reporting Services
10 10 (31.25%) SQL Server Integration Services
10 10 (31.25%) T-SQL
10 10 (31.25%) JSON
11 9 (28.13%) Java
11 9 (28.13%) JavaScript
11 9 (28.13%) Analytical Skills

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 (6.25%) CMS
1 2 (6.25%) Sitecore CMS
1 2 (6.25%) WebSphere
2 1 (3.13%) Confluence
2 1 (3.13%) Elasticsearch
Business Applications
1 2 (6.25%) Magento
Cloud Services
1 3 (9.38%) Amazon AWS
2 1 (3.13%) Heroku
Communications & Networking
1 1 (3.13%) DNS
1 1 (3.13%) FTP
1 1 (3.13%) HTTP
1 1 (3.13%) SSL
1 1 (3.13%) TCP/IP
Database & Business Intelligence
1 14 (43.75%) PostgreSQL
1 14 (43.75%) SQL Server
2 10 (31.25%) SQL Server 2016
2 10 (31.25%) SQL Server Integration Services
2 10 (31.25%) SQL Server Reporting Services
3 3 (9.38%) MongoDB
Development Applications
1 15 (46.88%) Subversion
2 14 (43.75%) JIRA
3 5 (15.63%) Git (software)
4 4 (12.50%) Grunt
5 3 (9.38%) gulp
5 3 (9.38%) Jasmine
6 2 (6.25%) Bower
6 2 (6.25%) Cucumber
6 2 (6.25%) IntelliJ
6 2 (6.25%) Karma Test Runner
7 1 (3.13%) Gatling
7 1 (3.13%) Geb
7 1 (3.13%) GitLab
7 1 (3.13%) Gradle
7 1 (3.13%) Jenkins
7 1 (3.13%) Maven
7 1 (3.13%) Selenium
7 1 (3.13%) Spock
General
1 2 (6.25%) Finance
Job Titles
1 28 (87.50%) Developer
2 19 (59.38%) Data Migration Developer
2 19 (59.38%) SQL Developer
3 13 (40.63%) ETL Developer
3 13 (40.63%) Oracle Developer
3 13 (40.63%) Oracle ETL Developer
3 13 (40.63%) PostgreSQL Developer
3 13 (40.63%) SQL Server Developer
4 6 (18.75%) Analyst
4 6 (18.75%) Analyst Developer
4 6 (18.75%) Data Analyst
4 6 (18.75%) Data Migration Analyst
4 6 (18.75%) Developer Analyst
4 6 (18.75%) Migration Analyst
4 6 (18.75%) SQL Analyst
4 6 (18.75%) SQL Data Analyst
5 5 (15.63%) Java Developer
6 3 (9.38%) Tester
7 2 (6.25%) Senior Developer
7 2 (6.25%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 13 (40.63%) XML
2 10 (31.25%) JSON
3 6 (18.75%) AngularJS
3 6 (18.75%) CSS
3 6 (18.75%) HTML
3 6 (18.75%) Spring
4 5 (15.63%) Spring Boot
4 5 (15.63%) Web Services
5 4 (12.50%) HTML5
6 3 (9.38%) Dropwizard
6 3 (9.38%) jQuery
6 3 (9.38%) React
6 3 (9.38%) REST
6 3 (9.38%) Semantic HTML
7 2 (6.25%) Dojo
7 2 (6.25%) Hystrix
7 2 (6.25%) Play Framework
7 2 (6.25%) RESTful
7 2 (6.25%) Scalatra
7 2 (6.25%) Twitter Bootstrap
Miscellaneous
1 13 (40.63%) Reference Data
2 9 (28.13%) Analytical Skills
3 3 (9.38%) Greenfield Project
4 2 (6.25%) Fintech
4 2 (6.25%) User Experience
4 2 (6.25%) Vector Graphics
4 2 (6.25%) W3C
Operating Systems
1 2 (6.25%) Linux
2 1 (3.13%) Unix
Processes & Methodologies
1 32 (100.00%) Agile Software Development
2 29 (90.63%) TDD
3 25 (78.13%) Test Automation
4 19 (59.38%) Data Migration
4 19 (59.38%) Migration
4 19 (59.38%) Scaled Agile Framework
5 13 (40.63%) Data Mapping
5 13 (40.63%) ETL
6 11 (34.38%) Problem-Solving
7 7 (21.88%) Microservices
8 6 (18.75%) Analytical Thinking
8 6 (18.75%) Data Modelling
8 6 (18.75%) Kanban
8 6 (18.75%) Scrum
8 6 (18.75%) Statistics
9 4 (12.50%) Front End Development
10 3 (9.38%) Continuous Integration
10 3 (9.38%) Digital Transformation Programme
10 3 (9.38%) Software Engineering
10 3 (9.38%) Unit Testing
Programming Languages
1 20 (62.50%) SQL
2 14 (43.75%) C#
3 13 (40.63%) PL/SQL
4 10 (31.25%) T-SQL
5 9 (28.13%) Java
5 9 (28.13%) JavaScript
6 6 (18.75%) Java 8
7 2 (6.25%) ES6
7 2 (6.25%) Groovy
8 1 (3.13%) PHP
8 1 (3.13%) TypeScript
Qualifications
1 19 (59.38%) SC Cleared
1 19 (59.38%) Security Cleared
Quality Assurance & Compliance
1 6 (18.75%) Data Quality
2 3 (9.38%) QA
System Software
1 3 (9.38%) Docker
Systems Management
1 1 (3.13%) Docker Swarm
Vendors
1 13 (40.63%) Oracle
1 13 (40.63%) Talend
2 2 (6.25%) IBM
2 2 (6.25%) New Relic
2 2 (6.25%) Sitecore
3 1 (3.13%) hybris
3 1 (3.13%) Xerox