Period
to 20 September 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 20 September 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
20 Sep 2018
Same period 2017 Same period 2016
Rank 71 67 52
Rank change year-on-year -4 -15 +39
Contract jobs citing BDD 31 31 45
As % of all contract IT jobs advertised in Hertfordshire 1.90% 2.19% 3.10%
As % of the Processes & Methodologies category 2.34% 2.67% 3.91%
Number of daily rates quoted 30 25 33
Hertfordshire median daily rate £550 £470 £488
Median daily rate % change year-on-year +17.02% -3.59% +30.00%
10th Percentile £468 £363 £263
90th Percentile £628 £538 £745
East of England median daily rate £523 £450 £450
% change year-on-year +16.11% - +14.65%
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 1,324 1,159 1,152
As % of all contract IT jobs advertised in Hertfordshire 81.18% 82.02% 79.39%
Number of daily rates quoted 766 572 627
Hertfordshire median daily rate £415 £400 £400
Median daily rate % change year-on-year +3.75% - +5.12%
10th Percentile £205 £213 £213
90th Percentile £569 £575 £538
East of England median daily rate £435 £425 £400
% change year-on-year +2.35% +6.25% +3.90%
Number of hourly rates quoted 93 67 51
Hertfordshire median hourly rate £17.43 £16.81 £20.00
Median hourly rate % change year-on-year +3.69% -15.98% -4.77%
10th Percentile £11.25 £11.81 £11.05
90th Percentile £47.05 £44.25 £53.75
East of England median hourly rate £17.50 £26.22 £25.00
% change year-on-year -33.26% +4.88% +2.82%

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 20 September 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 20 September 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 +16 19 £550 +4.76% 2
Welwyn Garden City -13 7 £538 +10.26%
St Albans - 2 £538 - 5
Hatfield -2 1 £525 +20.00%
BDD
East of England

For the 6 months to 20 September 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 30 (96.77%) Agile Software Development
2 29 (93.55%) TDD
3 18 (58.06%) Java
3 18 (58.06%) Test Automation
4 15 (48.39%) Java 8
5 14 (45.16%) Spring
5 14 (45.16%) Microservices
6 13 (41.94%) Amazon AWS
6 13 (41.94%) PostgreSQL
7 11 (35.48%) SQL
7 11 (35.48%) SQL Server
7 11 (35.48%) Migration
7 11 (35.48%) ETL
7 11 (35.48%) JIRA
7 11 (35.48%) Continuous Integration
7 11 (35.48%) Data Migration
7 11 (35.48%) SC Cleared
7 11 (35.48%) Security Cleared
7 11 (35.48%) Scaled Agile Framework
8 10 (32.26%) Spring Boot
8 10 (32.26%) Reference Data
8 10 (32.26%) Data Mapping
8 10 (32.26%) Kanban
8 10 (32.26%) Talend
8 10 (32.26%) JavaScript
8 10 (32.26%) PL/SQL
8 10 (32.26%) C#
8 10 (32.26%) Oracle
8 10 (32.26%) XML
8 10 (32.26%) Scrum

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 3 (9.68%) Elasticsearch
Cloud Services
1 13 (41.94%) Amazon AWS
2 3 (9.68%) Amazon EC2
2 3 (9.68%) Amazon S3
2 3 (9.68%) Amazon SQS
2 3 (9.68%) Heroku
Communications & Networking
1 3 (9.68%) DNS
1 3 (9.68%) FTP
1 3 (9.68%) HTTP
1 3 (9.68%) SSL
1 3 (9.68%) TCP/IP
Database & Business Intelligence
1 13 (41.94%) PostgreSQL
2 11 (35.48%) SQL Server
3 7 (22.58%) MongoDB
4 5 (16.13%) SQL Server 2016
4 5 (16.13%) SQL Server Integration Services
4 5 (16.13%) SQL Server Reporting Services
Development Applications
1 11 (35.48%) JIRA
2 10 (32.26%) Subversion
3 8 (25.81%) Git (software)
4 7 (22.58%) gulp
5 4 (12.90%) Gradle
5 4 (12.90%) Grunt
5 4 (12.90%) IntelliJ
5 4 (12.90%) Jenkins
6 3 (9.68%) GitLab
6 3 (9.68%) Spock
7 2 (6.45%) Cucumber
7 2 (6.45%) Gatling
7 2 (6.45%) Geb
8 1 (3.23%) Appium
8 1 (3.23%) Jasmine
8 1 (3.23%) JUnit
8 1 (3.23%) Maven
8 1 (3.23%) WebDriver
8 1 (3.23%) Zephyr
General
1 3 (9.68%) Retail
2 2 (6.45%) Finance
3 1 (3.23%) Games
Job Titles
1 28 (90.32%) Developer
2 17 (54.84%) Java Developer
3 10 (32.26%) Data Migration Developer
3 10 (32.26%) ETL Developer
3 10 (32.26%) Oracle Developer
3 10 (32.26%) Oracle ETL Developer
3 10 (32.26%) PostgreSQL Developer
3 10 (32.26%) SQL Developer
3 10 (32.26%) SQL Server Developer
4 6 (19.35%) Senior Developer
4 6 (19.35%) Senior Java Developer
5 3 (9.68%) Agile Java Developer
5 3 (9.68%) Java Software Developer
5 3 (9.68%) Java Software Engineer
5 3 (9.68%) Senior Java Software Engineer
5 3 (9.68%) Senior Software Developer
5 3 (9.68%) Senior Software Engineer
5 3 (9.68%) Software Developer
5 3 (9.68%) Software Engineer
5 3 (9.68%) Tester
Libraries, Frameworks & Software Standards
1 14 (45.16%) Spring
2 10 (32.26%) Spring Boot
2 10 (32.26%) XML
3 8 (25.81%) AngularJS
3 8 (25.81%) CSS
3 8 (25.81%) HTML
3 8 (25.81%) HTML5
3 8 (25.81%) Web Services
4 7 (22.58%) Dropwizard
5 5 (16.13%) J2EE
5 5 (16.13%) JSON
5 5 (16.13%) React
6 4 (12.90%) Hibernate
6 4 (12.90%) Hystrix
6 4 (12.90%) REST
6 4 (12.90%) Scalatra
7 3 (9.68%) Ember.js
7 3 (9.68%) OAuth2
7 3 (9.68%) Play Framework
7 3 (9.68%) Ratpack
Miscellaneous
1 10 (32.26%) Reference Data
2 8 (25.81%) Greenfield Project
3 5 (16.13%) Analytical Skills
4 3 (9.68%) Self-Motivation
5 1 (3.23%) Fintech
Operating Systems
1 3 (9.68%) Linux
Processes & Methodologies
1 30 (96.77%) Agile Software Development
2 29 (93.55%) TDD
3 18 (58.06%) Test Automation
4 14 (45.16%) Microservices
5 11 (35.48%) Continuous Integration
5 11 (35.48%) Data Migration
5 11 (35.48%) ETL
5 11 (35.48%) Migration
5 11 (35.48%) Scaled Agile Framework
6 10 (32.26%) Data Mapping
6 10 (32.26%) Kanban
6 10 (32.26%) Scrum
6 10 (32.26%) Software Engineering
7 8 (25.81%) Pair Programming
7 8 (25.81%) Problem-Solving
8 7 (22.58%) Digital Transformation Programme
8 7 (22.58%) Domain-Driven Design
9 5 (16.13%) DevOps
10 4 (12.90%) Web Application Development
10 4 (12.90%) Web Development
Programming Languages
1 18 (58.06%) Java
2 15 (48.39%) Java 8
3 11 (35.48%) SQL
4 10 (32.26%) C#
4 10 (32.26%) JavaScript
4 10 (32.26%) PL/SQL
5 6 (19.35%) Groovy
6 5 (16.13%) T-SQL
7 4 (12.90%) ES6
8 3 (9.68%) Scala
8 3 (9.68%) TypeScript
Qualifications
1 11 (35.48%) SC Cleared
1 11 (35.48%) Security Cleared
2 1 (3.23%) ISTQB
2 1 (3.23%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 6 (19.35%) QA
System Software
1 6 (19.35%) Docker
Systems Management
1 3 (9.68%) Docker Swarm
2 1 (3.23%) Kubernetes
Vendors
1 10 (32.26%) Oracle
1 10 (32.26%) Talend
2 4 (12.90%) New Relic