The following table provides summary statistics for contract job vacancies advertised in Guildford 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 27 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)
Surrey / Guildford
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank 15 15 24
Rank change year-on-year 0 +9  
Contract jobs citing BDD 4 1 1
As % of all contract IT jobs advertised in Guildford 3.96% 1.12% 0.65%
As % of the Processes & Methodologies category 5.19% 1.27% 0.88%
Number of daily rates quoted 4 0 1
Median daily rate £475 - £400
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 Guildford with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Guildford
Contract job vacancies with a requirement for process and methodology skills 77 79 113
As % of all contract IT job vacancies advertised in Guildford 76.24% 88.76% 73.86%
Number of daily rates quoted 47 51 72
Median daily rate £425 £400 £425
Median daily rate % change year-on-year +6.25% -5.88%  
90% offered a daily rate of more than £260 £220 £300
10% offered a daily rate of more than £595 £475 £525
UK excluding London median daily rate £415 £400 £385
% change year-on-year +3.75% +3.89%  
Number of hourly rates quoted 5 12 3
Median hourly rate £21.50 £23.00 £15.67
Median hourly rate % change year-on-year -6.52% +46.75%  
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 Guildford

The job posting trend of jobs advertised in Guildford 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 Guildford

BDD
Contractor Daily Rate Trend in Guildford

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

Contractor daily rate trend for BDD in Guildford

For the 6 months to 27 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 Guildford region with a requirement for BDD.

1 10 (100.00%) Java
1 10 (100.00%) Finance
1 10 (100.00%) Agile Software Development
1 10 (100.00%) TDD
1 10 (100.00%) Jenkins
2 9 (90.00%) Spring Boot
3 7 (70.00%) RabbitMQ
3 7 (70.00%) Apache Spark
3 7 (70.00%) Hadoop YARN
3 7 (70.00%) Unit Testing
3 7 (70.00%) System Testing
3 7 (70.00%) Hadoop
3 7 (70.00%) REST
3 7 (70.00%) Apache ZooKeeper
3 7 (70.00%) Big Data
3 7 (70.00%) Kafka
3 7 (70.00%) Spring
3 7 (70.00%) JSON
3 7 (70.00%) Middleware
3 7 (70.00%) J2EE
3 7 (70.00%) Unix
3 7 (70.00%) Linux
3 7 (70.00%) Apache
4 3 (30.00%) E-Commerce
4 3 (30.00%) Telecoms
4 3 (30.00%) Games
4 3 (30.00%) Scrum
4 3 (30.00%) Retail
4 3 (30.00%) Amazon AWS
4 3 (30.00%) Git (software)

BDD
Co-occurring IT Skills in Guildford 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 7 (70.00%) Apache
1 7 (70.00%) Apache Spark
Cloud Services
1 3 (30.00%) Amazon AWS
Database & Business Intelligence
1 7 (70.00%) Big Data
1 7 (70.00%) Hadoop
Development Applications
1 10 (100.00%) Jenkins
2 3 (30.00%) Gerrit
2 3 (30.00%) Git (software)
General
1 10 (100.00%) Finance
2 3 (30.00%) Games
2 3 (30.00%) Retail
2 3 (30.00%) Telecoms
Job Titles
1 7 (70.00%) Developer
1 7 (70.00%) Java Developer
2 2 (20.00%) J2EE Developer
2 2 (20.00%) Java/J2EE Developer
2 2 (20.00%) Technical Leader
3 1 (10.00%) Hadoop Developer
3 1 (10.00%) Java Hadoop Developer
Libraries, Frameworks & Software Standards
1 9 (90.00%) Spring Boot
2 7 (70.00%) J2EE
2 7 (70.00%) JSON
2 7 (70.00%) Kafka
2 7 (70.00%) Middleware
2 7 (70.00%) RabbitMQ
2 7 (70.00%) REST
2 7 (70.00%) Spring
3 3 (30.00%) Dropwizard
4 1 (10.00%) Spark Streaming
Miscellaneous
1 1 (10.00%) Greenfield Project
Operating Systems
1 7 (70.00%) Linux
1 7 (70.00%) Unix
Processes & Methodologies
1 10 (100.00%) Agile Software Development
1 10 (100.00%) TDD
2 7 (70.00%) System Testing
2 7 (70.00%) Unit Testing
3 3 (30.00%) DevOps
3 3 (30.00%) E-Commerce
3 3 (30.00%) Microservices
3 3 (30.00%) Scrum
Programming Languages
1 10 (100.00%) Java
System Software
1 7 (70.00%) Apache ZooKeeper
2 3 (30.00%) Docker
Systems Management
1 7 (70.00%) Hadoop YARN