The following table provides summary statistics for contract job vacancies advertised in London with a requirement for Bugzilla skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Bugzilla over the 3 months to 28 March 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.

Bugzilla
England / London
3 months to
28 Mar 2017
Same period 2016 Same period 2015
Rank 390 423 409
Rank change year-on-year +33 -14  
Contract jobs citing Bugzilla 12 3 3
As % of all contract IT jobs advertised in London 0.062% 0.013% 0.014%
As % of the Development Applications category 0.34% 0.085% 0.097%
Number of daily rates quoted 9 2 3
Median daily rate £451 £258 £425
Median daily rate % change year-on-year +74.95% -39.41%  
90% offered a daily rate of more than £450 £244 £221
10% offered a daily rate of more than £530 £272 £525
UK excluding London median daily rate £350 £300 £325
% change year-on-year +16.66% -7.69%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - £33.60 -

Bugzilla is in the development application skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in London with a requirement for development application skills.

Contract Development Application Skills
London
Contract job vacancies with a requirement for development application skills 3566 3534 3081
As % of all contract IT job vacancies advertised in London 18.29% 15.84% 14.32%
Number of daily rates quoted 2613 2580 2182
Median daily rate £475 £475 £425
Median daily rate % change year-on-year - +11.76%  
90% offered a daily rate of more than £350 £350 £315
10% offered a daily rate of more than £600 £600 £563
UK excluding London median daily rate £400 £375 £363
% change year-on-year +6.66% +3.44%  
Number of hourly rates quoted 12 9 7
Median hourly rate £42.50 £50.00 £42.00
Median hourly rate % change year-on-year -15.00% +19.04%  
90% offered a hourly rate of more than £32.50 £39.70 £20.31
10% offered a hourly rate of more than £153.00 £50.00 £55.00
UK excluding London median hourly rate £42.50 £42.29 £37.50
% change year-on-year +0.49% +12.77%  

Bugzilla
Job Vacancy Trend in London

The job posting trend of jobs advertised in London citing Bugzilla as a proportion of all contract or permanent IT jobs with a match in the Development Applications category.

Job vacancy trend for Bugzilla in London

Bugzilla
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for Bugzilla in London

Bugzilla
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Bugzilla in London over the 3 months to 28 March 2017.

Contractor daily rate histogram for Bugzilla in London

Bugzilla
Contractor Hourly Rate Trend in London

This chart provides the 3-month moving average for hourly rates quoted in IT contractor jobs citing Bugzilla in London.

Contractor hourly rate trend for Bugzilla in London

Bugzilla
Top 30 Co-occurring IT Skills in London

For the 6 months to 28 March 2017, IT contractor jobs citing Bugzilla 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 London region with a requirement for Bugzilla.

1 18 (94.74%) JIRA
2 15 (78.95%) Agile Software Development
3 14 (73.68%) QA
4 13 (68.42%) Git (software)
5 12 (63.16%) Cucumber
5 12 (63.16%) Subversion
5 12 (63.16%) JUnit
6 10 (52.63%) Continuous Integration
7 9 (47.37%) Selenium
8 8 (42.11%) Kanban
8 8 (42.11%) TestNG
8 8 (42.11%) JBehave
8 8 (42.11%) WebDriver
8 8 (42.11%) Basecamp
8 8 (42.11%) Continuous Delivery
8 8 (42.11%) Exploratory Testing
9 7 (36.84%) Test Strategy
9 7 (36.84%) Automated Testing
9 7 (36.84%) Regression Testing
10 6 (31.58%) Linux
10 6 (31.58%) TDD
10 6 (31.58%) Confluence
10 6 (31.58%) BDD
11 5 (26.32%) Software Engineering
11 5 (26.32%) Degree
11 5 (26.32%) Web Services
12 4 (21.05%) Unix
12 4 (21.05%) Tomcat
12 4 (21.05%) Java
12 4 (21.05%) JMS

Bugzilla
Co-occurring IT Skills in London 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 6 (31.58%) Confluence
2 4 (21.05%) Tomcat
Applications
1 2 (10.53%) MS Excel
1 2 (10.53%) MS Office
2 1 (5.26%) MS PowerPoint
Business Applications
1 1 (5.26%) SAP CRM
1 1 (5.26%) SAP Oil and Gas
1 1 (5.26%) SAP R/3
Cloud Services
1 8 (42.11%) Basecamp
2 3 (15.79%) Amazon AWS
3 2 (10.53%) Amazon SQS
4 1 (5.26%) Amazon EC2
Development Applications
1 18 (94.74%) JIRA
2 13 (68.42%) Git (software)
3 12 (63.16%) Cucumber
3 12 (63.16%) JUnit
3 12 (63.16%) Subversion
4 9 (47.37%) Selenium
5 8 (42.11%) JBehave
5 8 (42.11%) TestNG
5 8 (42.11%) WebDriver
6 4 (21.05%) Maven
7 2 (10.53%) Atlassian Bamboo
7 2 (10.53%) FogBugz
7 2 (10.53%) Hudson
7 2 (10.53%) Jenkins
7 2 (10.53%) TeamCity
8 1 (5.26%) SoapUI
8 1 (5.26%) Team Foundation Server
8 1 (5.26%) TestLink
8 1 (5.26%) Trac
8 1 (5.26%) Zephyr
General
1 1 (5.26%) Electronics
1 1 (5.26%) Finance
1 1 (5.26%) Games
1 1 (5.26%) Manufacturing
1 1 (5.26%) Marketing
1 1 (5.26%) Telecoms
Job Titles
1 8 (42.11%) QA Engineer
2 5 (26.32%) Software Engineer
3 4 (21.05%) Automation Engineer
3 4 (21.05%) QA Automation Engineer
3 4 (21.05%) Tester
4 3 (15.79%) Java Engineer
4 3 (15.79%) Java Software Engineer
4 3 (15.79%) QA Tester
5 2 (10.53%) AWS Engineer
5 2 (10.53%) AWS Software Engineer
5 2 (10.53%) QA Manager
5 2 (10.53%) Senior Java Engineer
5 2 (10.53%) Senior Java Software Engineer
5 2 (10.53%) Senior Software Engineer
5 2 (10.53%) UAT Manager
6 1 (5.26%) Agile Test Manager
6 1 (5.26%) Automation Tester
6 1 (5.26%) QA Automation Tester
6 1 (5.26%) Test Automation Manager
6 1 (5.26%) Testing Project Manager
Libraries, Frameworks & Software Standards
1 5 (26.32%) Web Services
2 4 (21.05%) ActiveMQ
2 4 (21.05%) JMS
2 4 (21.05%) Spring
3 3 (15.79%) RESTful
4 1 (5.26%) DirectX
4 1 (5.26%) HTML
4 1 (5.26%) OpenGL
4 1 (5.26%) SOAP
4 1 (5.26%) Unreal Engine
4 1 (5.26%) XML
Miscellaneous
1 4 (21.05%) Computer Science
1 4 (21.05%) Wiki
2 1 (5.26%) 3D Graphics
2 1 (5.26%) BBC
2 1 (5.26%) User Experience
Operating Systems
1 6 (31.58%) Linux
2 4 (21.05%) Unix
3 1 (5.26%) Windows
Processes & Methodologies
1 15 (78.95%) Agile Software Development
2 10 (52.63%) Continuous Integration
3 8 (42.11%) Continuous Delivery
3 8 (42.11%) Exploratory Testing
3 8 (42.11%) Kanban
4 7 (36.84%) Automated Testing
4 7 (36.84%) Regression Testing
4 7 (36.84%) Test Strategy
5 6 (31.58%) BDD
5 6 (31.58%) TDD
6 5 (26.32%) Software Engineering
7 4 (21.05%) Open Source
8 3 (15.79%) High Availability
8 3 (15.79%) V-Model
9 2 (10.53%) ATDD
9 2 (10.53%) Defect Management
9 2 (10.53%) Line Management
9 2 (10.53%) Metadata Management
9 2 (10.53%) Use Case
9 2 (10.53%) Waterfall
Programming Languages
1 4 (21.05%) Java
2 3 (15.79%) Ruby
3 2 (10.53%) Perl
4 1 (5.26%) C++
4 1 (5.26%) JavaScript
4 1 (5.26%) Python
Qualifications
1 5 (26.32%) Degree
2 2 (10.53%) ISEB
2 2 (10.53%) ISTQB
3 1 (5.26%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 14 (73.68%) QA
Systems Management
1 3 (15.79%) HP Quality Center
Vendors
1 3 (15.79%) Charles River
2 2 (10.53%) SAP
3 1 (5.26%) HP
3 1 (5.26%) hybris
3 1 (5.26%) Microsoft