The following table provides summary statistics for contract job vacancies advertised in Croydon with a requirement for BDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited BDD over the 3 months to 24 June 2017 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)
London / Croydon
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 12 21 27
Rank change year-on-year +9 +6  
Contract jobs citing BDD 35 23 4
As % of all contract IT jobs advertised in Croydon 18.04% 9.39% 2.84%
As % of the Processes & Methodologies category 19.44% 10.45% 3.05%
Number of daily rates quoted 15 17 3
Median daily rate £525 £450 £388
Median daily rate % change year-on-year +16.66% +16.12%  
90% offered a daily rate of more than £405 £370 £378
10% offered a daily rate of more than £562 £565 £428
UK excluding London median daily rate £400 £425 £375
% change year-on-year -5.88% +13.33%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £47.50 £40.50 -
% change year-on-year +17.28% -  

BDD is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Croydon with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Croydon
Contract job vacancies with a requirement for process and methodology skills 180 220 131
As % of all contract IT job vacancies advertised in Croydon 92.78% 89.80% 92.91%
Number of daily rates quoted 95 149 91
Median daily rate £488 £425 £400
Median daily rate % change year-on-year +14.70% +6.25%  
90% offered a daily rate of more than £390 £325 £250
10% offered a daily rate of more than £550 £550 £522
UK excluding London median daily rate £415 £400 £380
% change year-on-year +3.75% +5.26%  
Number of hourly rates quoted 0 6 3
Median hourly rate - £21.00 £27.78
Median hourly rate % change year-on-year - -24.40%  
UK excluding London median hourly rate £34.00 £28.50 £30.00
% change year-on-year +19.29% -5.00%  

BDD
Job Vacancy Trend in Croydon

The job posting trend of jobs advertised in Croydon citing BDD as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for BDD in Croydon

BDD
Contractor Daily Rate Trend in Croydon

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

Contractor daily rate trend for BDD in Croydon

BDD
Contractor Daily Rate Histogram in Croydon

The daily rate distribution of IT jobs citing BDD in Croydon over the 3 months to 24 June 2017.

Contractor daily rate histogram for BDD in Croydon

For the 6 months to 24 June 2017, IT contractor jobs citing BDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Croydon region with a requirement for BDD.

1 36 (81.82%) Java
2 33 (75.00%) Agile Software Development
2 33 (75.00%) TDD
3 27 (61.36%) Security Cleared
4 26 (59.09%) Cucumber
5 25 (56.82%) Microservices
6 24 (54.55%) Scrum
7 23 (52.27%) REST
8 21 (47.73%) SC Cleared
9 20 (45.45%) Spring
10 16 (36.36%) HBase
10 16 (36.36%) GitHub
10 16 (36.36%) Apache Camel
11 15 (34.09%) Spring Boot
11 15 (34.09%) JIRA
12 13 (29.55%) HTML
12 13 (29.55%) Confluence
12 13 (29.55%) Hadoop
12 13 (29.55%) GitLab
12 13 (29.55%) Docker
13 12 (27.27%) CSS
14 11 (25.00%) PostgreSQL
14 11 (25.00%) Kubernetes
15 10 (22.73%) Web Services
15 10 (22.73%) JavaScript
15 10 (22.73%) Linux
15 10 (22.73%) IntelliJ
15 10 (22.73%) Test Automation
15 10 (22.73%) Big Data
15 10 (22.73%) Kafka

BDD
Co-occurring IT Skills in Croydon 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 13 (29.55%) Confluence
2 6 (13.64%) Apache Solr
2 6 (13.64%) Apache Spark
3 3 (6.82%) CMS
4 2 (4.55%) JBoss
4 2 (4.55%) Tomcat
Applications
1 2 (4.55%) Photoshop
Business Applications
1 1 (2.27%) SAP Oil and Gas
Cloud Services
1 16 (36.36%) GitHub
2 2 (4.55%) Amazon AWS
2 2 (4.55%) Amazon EC2
3 1 (2.27%) Microsoft Azure
Communications & Networking
1 6 (13.64%) Kerberos
2 2 (4.55%) OpenLDAP
Database & Business Intelligence
1 16 (36.36%) HBase
2 13 (29.55%) Hadoop
3 11 (25.00%) PostgreSQL
4 10 (22.73%) Big Data
5 4 (9.09%) IBM InfoSphere
6 2 (4.55%) Relational Database
Development Applications
1 26 (59.09%) Cucumber
2 15 (34.09%) JIRA
3 13 (29.55%) GitLab
4 10 (22.73%) IntelliJ
5 9 (20.45%) JUnit
6 6 (13.64%) Git (software)
7 5 (11.36%) Jenkins
7 5 (11.36%) Selenium
8 4 (9.09%) DbUnit
8 4 (9.09%) jMock
8 4 (9.09%) Maven
8 4 (9.09%) Mockito
8 4 (9.09%) SonarQube
9 3 (6.82%) RSpec
10 2 (4.55%) Gradle
10 2 (4.55%) Grunt
10 2 (4.55%) Jasmine
10 2 (4.55%) Karma Test Runner
11 1 (2.27%) FitNesse
11 1 (2.27%) Hudson
General
1 2 (4.55%) Legal
2 1 (2.27%) Electronics
2 1 (2.27%) Finance
2 1 (2.27%) Manufacturing
2 1 (2.27%) Marketing
2 1 (2.27%) Telecoms
Job Titles
1 35 (79.55%) Developer
2 17 (38.64%) Java Developer
3 4 (9.09%) Data Engineer
3 4 (9.09%) Front End Developer (Client-Side Developer)
3 4 (9.09%) Hadoop Developer
3 4 (9.09%) SC Cleared Java Developer
3 4 (9.09%) UI Developer
3 4 (9.09%) UI/UX Developer
3 4 (9.09%) UX Developer
4 3 (6.82%) Developer in Test
4 3 (6.82%) Software Developer
5 2 (4.55%) Agile Business Analyst
5 2 (4.55%) Analyst
5 2 (4.55%) Big Data Engineer
5 2 (4.55%) Business Analyst
5 2 (4.55%) Hadoop Engineer
5 2 (4.55%) Java Engineer
5 2 (4.55%) PostgreSQL Developer
5 2 (4.55%) Scala Developer
5 2 (4.55%) Scrum Master
Libraries, Frameworks & Software Standards
1 23 (52.27%) REST
2 20 (45.45%) Spring
3 16 (36.36%) Apache Camel
4 15 (34.09%) Spring Boot
5 13 (29.55%) HTML
6 12 (27.27%) CSS
7 10 (22.73%) Kafka
7 10 (22.73%) Web Services
8 8 (18.18%) RESTful
9 7 (15.91%) AngularJS
10 6 (13.64%) Drools
11 5 (11.36%) CSS3
11 5 (11.36%) HTML5
11 5 (11.36%) SOAP
12 4 (9.09%) Grails
12 4 (9.09%) J2EE
12 4 (9.09%) jQuery
12 4 (9.09%) PowerMock
12 4 (9.09%) Samza
13 3 (6.82%) Apache CXF
Miscellaneous
1 6 (13.64%) Algorithms
1 6 (13.64%) User Experience
2 4 (9.09%) Mobile App
3 2 (4.55%) Data Structures
Operating Systems
1 10 (22.73%) Linux
Processes & Methodologies
1 33 (75.00%) Agile Software Development
1 33 (75.00%) TDD
2 25 (56.82%) Microservices
3 24 (54.55%) Scrum
4 10 (22.73%) Test Automation
5 9 (20.45%) Continuous Integration
5 9 (20.45%) Kanban
6 7 (15.91%) Front End Development
7 6 (13.64%) Data Architecture
7 6 (13.64%) Digital Transformation Programme
8 5 (11.36%) DevOps
8 5 (11.36%) MVC
8 5 (11.36%) OO
8 5 (11.36%) Pair Programming
8 5 (11.36%) User Stories
9 4 (9.09%) Data Visualisation
9 4 (9.09%) Infographics
9 4 (9.09%) MapReduce
9 4 (9.09%) Mentoring
9 4 (9.09%) Prototyping
Programming Languages
1 36 (81.82%) Java
2 10 (22.73%) JavaScript
3 4 (9.09%) Groovy
3 4 (9.09%) Scala
4 2 (4.55%) Go
4 2 (4.55%) Python
4 2 (4.55%) Ruby
5 1 (2.27%) C#
5 1 (2.27%) SQL
5 1 (2.27%) T-SQL
5 1 (2.27%) VBScript
Qualifications
1 27 (61.36%) Security Cleared
2 21 (47.73%) SC Cleared
3 3 (6.82%) DV Cleared
Quality Assurance & Compliance
1 3 (6.82%) QA
System Software
1 13 (29.55%) Docker
2 6 (13.64%) Apache ZooKeeper
2 6 (13.64%) HDFS
3 2 (4.55%) VMware Infrastructure
3 2 (4.55%) vSphere
Systems Management
1 11 (25.00%) Kubernetes
2 4 (9.09%) Ansible
2 4 (9.09%) Hadoop YARN
2 4 (9.09%) Terraform
Vendors
1 4 (9.09%) IBM
2 2 (4.55%) Adobe
2 2 (4.55%) VMware
3 1 (2.27%) Microsoft
3 1 (2.27%) SAP
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Difrent
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Rate: £600 - £650 per day
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