Period
to 18 December 2018

The following table provides summary statistics for contract job vacancies advertised in Hounslow 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 December 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)
West London > Hounslow
6 months to
18 Dec 2018
Same period 2017 Same period 2016
Rank 27 6 27
Rank change year-on-year -21 +21 +7
Contract jobs citing BDD 23 48 5
As % of all contract IT jobs advertised in Hounslow 5.64% 14.77% 1.92%
As % of the Processes & Methodologies category 6.08% 16.44% 2.19%
Number of daily rates quoted 16 45 4
Hounslow median daily rate £525 £525 £434
Median daily rate % change year-on-year - +21.04% -11.03%
10th Percentile £450 £393 £358
90th Percentile £575 £584 £526
West London median daily rate £500 £525 £471
% change year-on-year -4.76% +11.41% +1.34%
Number of hourly rates quoted 0 0 1
Hounslow median hourly rate - - £55.00
West London median hourly rate - - £55.00

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 Hounslow with a requirement for process or methodology skills.

All Process and Methodology Skills
Hounslow
Contract vacancies with a requirement for process or methodology skills 378 292 228
As % of all contract IT jobs advertised in Hounslow 92.65% 89.85% 87.36%
Number of daily rates quoted 228 187 138
Hounslow median daily rate £500 £500 £425
Median daily rate % change year-on-year - +17.65% +1.80%
10th Percentile £250 £276 £227
90th Percentile £623 £600 £541
West London median daily rate £450 £455 £425
% change year-on-year -1.15% +7.12% +3.34%
Number of hourly rates quoted 22 7 13
Hounslow median hourly rate £30.50 £26.00 £25.00
Median hourly rate % change year-on-year +17.31% +4.00% +25.00%
10th Percentile £11.30 £12.00 £8.60
90th Percentile £115.00 £105.88 £68.76
West London median hourly rate £40.00 £25.50 £22.00
% change year-on-year +56.86% +15.91% -

BDD
Job Vacancy Trend in Hounslow

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

Job vacancy trend for BDD in Hounslow

BDD
Contractor Daily Rate Trend in Hounslow

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

Contractor daily rate trend for BDD in Hounslow

BDD
Contractor Daily Rate Histogram in Hounslow

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

Contractor daily rate histogram for BDD in Hounslow

BDD
Contract Job Locations in Hounslow

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing BDD within the Hounslow region over the 6 months to 18 December 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
Chiswick +1 6 £525 -
Osterley +1 5 £523 +27.28%
Isleworth -2 5 £513 -2.38%
Feltham +1 4 £410 -23.72%
BDD
West London

For the 6 months to 18 December 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 Hounslow region with a requirement for BDD.

1 21 (91.30%) Agile Software Development
2 17 (73.91%) TDD
3 12 (52.17%) Pair Programming
4 10 (43.48%) Continuous Integration
5 9 (39.13%) Java
5 9 (39.13%) JavaScript
6 8 (34.78%) Scrum
6 8 (34.78%) Git (software)
6 8 (34.78%) Acceptance Criteria
7 7 (30.43%) Test Automation
7 7 (30.43%) Kanban
7 7 (30.43%) Software Engineering
7 7 (30.43%) Video\Live Streaming
7 7 (30.43%) Unix
8 6 (26.09%) Linux
8 6 (26.09%) Video on Demand
8 6 (26.09%) User Stories
8 6 (26.09%) React
9 5 (21.74%) User Experience
9 5 (21.74%) Microservices
9 5 (21.74%) DevOps
9 5 (21.74%) RESTful
9 5 (21.74%) QA
9 5 (21.74%) Continuous Improvement
9 5 (21.74%) Python
10 4 (17.39%) CSS
10 4 (17.39%) Node.js
10 4 (17.39%) REST
10 4 (17.39%) AngularJS
10 4 (17.39%) Performance Testing

BDD
Co-occurring IT Skills in Hounslow 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 (8.70%) CMS
1 2 (8.70%) Confluence
2 1 (4.35%) Apache Solr
2 1 (4.35%) Apache Spark
2 1 (4.35%) Elasticsearch
Cloud Services
1 4 (17.39%) Amazon AWS
2 2 (8.70%) Amazon CloudWatch
2 2 (8.70%) Microsoft Azure
3 1 (4.35%) GitHub
Database & Business Intelligence
1 2 (8.70%) PostgreSQL
2 1 (4.35%) Apache Cassandra
2 1 (4.35%) Apache Hive
2 1 (4.35%) Big Data
2 1 (4.35%) Flink
2 1 (4.35%) Hadoop
2 1 (4.35%) HBase
2 1 (4.35%) Impala
2 1 (4.35%) Relational Database
2 1 (4.35%) SQL Server
Development Applications
1 8 (34.78%) Git (software)
2 4 (17.39%) CircleCI
3 3 (13.04%) Gatling
3 3 (13.04%) Jasmine
3 3 (13.04%) Jenkins
3 3 (13.04%) JIRA
3 3 (13.04%) JMeter
3 3 (13.04%) Mocha
4 2 (8.70%) Appium
4 2 (8.70%) Cucumber
4 2 (8.70%) JUnit
4 2 (8.70%) Karma Test Runner
4 2 (8.70%) Selenium
4 2 (8.70%) WebDriver
5 1 (4.35%) CocoaPods
5 1 (4.35%) fastlane
5 1 (4.35%) gulp
5 1 (4.35%) Protractor
5 1 (4.35%) Travis CI
5 1 (4.35%) Visual Studio Team System
General
1 3 (13.04%) Games
2 1 (4.35%) Publishing
Job Titles
1 12 (52.17%) Developer
2 4 (17.39%) Agile Developer
2 4 (17.39%) Java Developer
2 4 (17.39%) Software Engineer
3 3 (13.04%) JavaScript Engineer
3 3 (13.04%) Python Developer
4 2 (8.70%) Agile Java Developer
4 2 (8.70%) Analyst
4 2 (8.70%) Business Analyst
4 2 (8.70%) React Developer
5 1 (4.35%) Android Engineer
5 1 (4.35%) Android Software Engineer
5 1 (4.35%) Data Engineer
5 1 (4.35%) Developer in Test
5 1 (4.35%) Full Stack Developer
5 1 (4.35%) iOS Developer
5 1 (4.35%) Product Business Analyst
5 1 (4.35%) Product Owner
5 1 (4.35%) Test Manager
5 1 (4.35%) UI Engineer
Libraries, Frameworks & Software Standards
1 6 (26.09%) React
2 5 (21.74%) RESTful
3 4 (17.39%) AngularJS
3 4 (17.39%) CSS
3 4 (17.39%) Node.js
3 4 (17.39%) REST
4 3 (13.04%) Django
4 3 (13.04%) Flask
4 3 (13.04%) HTML
4 3 (13.04%) Jest
4 3 (13.04%) Spring
5 2 (8.70%) .NET
5 2 (8.70%) Kafka
5 2 (8.70%) Redux
6 1 (4.35%) CSS3
6 1 (4.35%) Gherkin
6 1 (4.35%) LESS
6 1 (4.35%) Sass
6 1 (4.35%) Twitter Bootstrap
6 1 (4.35%) UIKit
Miscellaneous
1 7 (30.43%) Video\Live Streaming
2 6 (26.09%) Video on Demand
3 5 (21.74%) User Experience
4 4 (17.39%) Analytical Skills
4 4 (17.39%) Over-the-Top Content
5 3 (13.04%) Data Structures
6 2 (8.70%) Apple TV
6 2 (8.70%) Blog
6 2 (8.70%) Linux Command Line
6 2 (8.70%) Management Information System
7 1 (4.35%) Cyber Defence
7 1 (4.35%) iPad
7 1 (4.35%) iPhone
7 1 (4.35%) Mobile App
7 1 (4.35%) PlayStation
7 1 (4.35%) STB
7 1 (4.35%) Xbox
Operating Systems
1 7 (30.43%) Unix
2 6 (26.09%) Linux
3 3 (13.04%) Android
4 2 (8.70%) Android TV
4 2 (8.70%) Mac OS X
5 1 (4.35%) Apple iOS
5 1 (4.35%) Tizen
5 1 (4.35%) tvOS
Processes & Methodologies
1 21 (91.30%) Agile Software Development
2 17 (73.91%) TDD
3 12 (52.17%) Pair Programming
4 10 (43.48%) Continuous Integration
5 8 (34.78%) Acceptance Criteria
5 8 (34.78%) Scrum
6 7 (30.43%) Kanban
6 7 (30.43%) Software Engineering
6 7 (30.43%) Test Automation
7 6 (26.09%) User Stories
8 5 (21.74%) Continuous Improvement
8 5 (21.74%) DevOps
8 5 (21.74%) Microservices
9 4 (17.39%) Performance Testing
10 3 (13.04%) High Availability
10 3 (13.04%) Open Source
10 3 (13.04%) SDLC
11 2 (8.70%) ATDD
11 2 (8.70%) MVVM
11 2 (8.70%) Software Delivery
Programming Languages
1 9 (39.13%) Java
1 9 (39.13%) JavaScript
2 5 (21.74%) Python
3 4 (17.39%) Java 8
4 3 (13.04%) Bash Shell
4 3 (13.04%) Scala
5 2 (8.70%) Go
5 2 (8.70%) SQL
6 1 (4.35%) Apple Swift
6 1 (4.35%) C#
6 1 (4.35%) ES6
6 1 (4.35%) Kotlin
6 1 (4.35%) TypeScript
Qualifications
1 3 (13.04%) Degree
2 1 (4.35%) Computer Science Degree
2 1 (4.35%) ISEB
2 1 (4.35%) ISEB Practitioner
2 1 (4.35%) ISTQB
2 1 (4.35%) ISTQB Advanced Certification
Quality Assurance & Compliance
1 5 (21.74%) QA
2 1 (4.35%) PMO
System Software
1 3 (13.04%) Docker
2 1 (4.35%) Apache Flume
Systems Management
1 4 (17.39%) Kubernetes
2 3 (13.04%) Grafana
2 3 (13.04%) Kibana
2 3 (13.04%) logstash
2 3 (13.04%) Prometheus
3 2 (8.70%) Terraform
4 1 (4.35%) Hadoop YARN
4 1 (4.35%) HP Quality Center
Vendors
1 2 (8.70%) Apple
2 1 (4.35%) Cloudera
2 1 (4.35%) HP
2 1 (4.35%) Microsoft
2 1 (4.35%) Samsung
2 1 (4.35%) Sony