The following table provides summary statistics for contract job vacancies advertised in Chester with a requirement for Selenium skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Selenium 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.

Selenium
Cheshire / Chester
3 months to
28 Mar 2017
Same period 2016 Same period 2015
Rank 14 25 22
Rank change year-on-year +11 -3  
Contract jobs citing Selenium 5 6 9
As % of all contract IT jobs advertised in Chester 4.85% 4.00% 4.64%
As % of the Development Applications category 31.25% 35.29% 27.27%
Number of daily rates quoted 4 4 7
Median daily rate £275 £405 £375
Median daily rate % change year-on-year -32.09% +8.00%  
UK excluding London median daily rate £363 £350 £350
% change year-on-year +3.57% -  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £58.95 £45.00 £45.00
% change year-on-year +30.98% -  

Selenium 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 Chester with a requirement for development application skills.

Contract Development Application Skills
Chester
Contract job vacancies with a requirement for development application skills 16 17 33
As % of all contract IT job vacancies advertised in Chester 15.53% 11.33% 17.01%
Number of daily rates quoted 13 7 27
Median daily rate £275 £405 £395
Median daily rate % change year-on-year -32.09% +2.53%  
UK excluding London median daily rate £400 £375 £363
% change year-on-year +6.66% +3.44%  
Number of hourly rates quoted 1 1 0
Median hourly rate £50.00 £16.00 -
Median hourly rate % change year-on-year +212.50% -  
UK excluding London median hourly rate £42.50 £42.29 £37.50
% change year-on-year +0.49% +12.77%  

Selenium
Job Vacancy Trend in Chester

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

Job vacancy trend for Selenium in Chester

Selenium
Contractor Daily Rate Trend in Chester

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

Contractor daily rate trend for Selenium in Chester

Selenium
Top 30 Co-occurring IT Skills in Chester

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

1 7 (77.78%) Agile Software Development
2 6 (66.67%) Java
3 4 (44.44%) SQL
3 4 (44.44%) Web Services
3 4 (44.44%) QA
3 4 (44.44%) Manual Testing
3 4 (44.44%) Kanban
3 4 (44.44%) Jenkins
4 3 (33.33%) Cucumber
4 3 (33.33%) MongoDB
4 3 (33.33%) Scrum
4 3 (33.33%) ISEB
4 3 (33.33%) GitHub
4 3 (33.33%) Gatling
4 3 (33.33%) Exploratory Testing
5 2 (22.22%) JIRA
5 2 (22.22%) TDD
6 1 (11.11%) Telerik
6 1 (11.11%) Subversion
6 1 (11.11%) Spring
6 1 (11.11%) Automated Testing
6 1 (11.11%) Software Engineering
6 1 (11.11%) AOP
6 1 (11.11%) Software Testing
6 1 (11.11%) ISTQB
6 1 (11.11%) WebSphere
6 1 (11.11%) User Acceptance Testing
6 1 (11.11%) Performance Testing
6 1 (11.11%) Integration Testing
6 1 (11.11%) Web Testing

Selenium
Co-occurring IT Skills in Chester 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 1 (11.11%) WebSphere
1 1 (11.11%) WebSphere Application Server
Applications
1 1 (11.11%) MS Office
Cloud Services
1 3 (33.33%) GitHub
Database & Business Intelligence
1 3 (33.33%) MongoDB
2 1 (11.11%) MySQL
2 1 (11.11%) Oracle Database
2 1 (11.11%) Relational Database
2 1 (11.11%) SQL Server
Development Applications
1 4 (44.44%) Jenkins
2 3 (33.33%) Cucumber
2 3 (33.33%) Gatling
3 2 (22.22%) JIRA
4 1 (11.11%) JUnit
4 1 (11.11%) LoadRunner
4 1 (11.11%) Protractor
4 1 (11.11%) Subversion
4 1 (11.11%) Visual Studio
4 1 (11.11%) WebDriver
General
1 1 (11.11%) Back Office
1 1 (11.11%) Finance
Job Titles
1 3 (33.33%) QA Engineer
1 3 (33.33%) Tester
2 2 (22.22%) Developer
2 2 (22.22%) Java Developer
3 1 (11.11%) Analyst
3 1 (11.11%) Automation Tester
3 1 (11.11%) Java Middleware Developer
3 1 (11.11%) Middleware Developer
3 1 (11.11%) Senior Tester
3 1 (11.11%) Test Analyst
3 1 (11.11%) Test Engineer
3 1 (11.11%) Web Engineer
3 1 (11.11%) Web Tester
Libraries, Frameworks & Software Standards
1 4 (44.44%) Web Services
2 1 (11.11%) .NET
2 1 (11.11%) Apache Camel
2 1 (11.11%) Dropwizard
2 1 (11.11%) J2EE
2 1 (11.11%) JAXB
2 1 (11.11%) JAX-WS
2 1 (11.11%) JDBC
2 1 (11.11%) Middleware
2 1 (11.11%) POJO
2 1 (11.11%) SOAP
2 1 (11.11%) Spring
2 1 (11.11%) WSDL
2 1 (11.11%) XML
2 1 (11.11%) XSLT
Miscellaneous
1 1 (11.11%) Mobile App
Operating Systems
1 1 (11.11%) Android
1 1 (11.11%) Windows
Processes & Methodologies
1 7 (77.78%) Agile Software Development
2 4 (44.44%) Kanban
2 4 (44.44%) Manual Testing
3 3 (33.33%) Exploratory Testing
3 3 (33.33%) Scrum
4 2 (22.22%) TDD
5 1 (11.11%) AOP
5 1 (11.11%) Automated Testing
5 1 (11.11%) BDD
5 1 (11.11%) Continuous Integration
5 1 (11.11%) Extreme Programming
5 1 (11.11%) Integration Testing
5 1 (11.11%) Performance Testing
5 1 (11.11%) Software Engineering
5 1 (11.11%) Software Testing
5 1 (11.11%) Test Management
5 1 (11.11%) Test Scripting
5 1 (11.11%) User Acceptance Testing
5 1 (11.11%) Waterfall
5 1 (11.11%) Web Testing
Programming Languages
1 6 (66.67%) Java
2 4 (44.44%) SQL
3 1 (11.11%) ANSI SQL
3 1 (11.11%) C#
3 1 (11.11%) PL/SQL
Qualifications
1 3 (33.33%) ISEB
2 1 (11.11%) ISTQB
Quality Assurance & Compliance
1 4 (44.44%) QA
Vendors
1 1 (11.11%) IBM
1 1 (11.11%) JD Edwards
1 1 (11.11%) Oracle
1 1 (11.11%) Telerik