Period
to 12 December 2018

The following table provides summary statistics for contract job vacancies advertised in Hounslow with a requirement for Open Source skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Open Source over the 6 months to 12 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.

Open Source
West London > Hounslow
6 months to
12 Dec 2018
Same period 2017 Same period 2016
Rank 42 35 27
Rank change year-on-year -7 -8 +4
Contract jobs citing Open Source 9 12 6
As % of all contract IT jobs advertised in Hounslow 2.16% 3.69% 2.17%
As % of the Processes & Methodologies category 2.35% 4.12% 2.46%
Number of daily rates quoted 6 12 4
Hounslow median daily rate £500 £540 £434
Median daily rate % change year-on-year -7.41% +24.50% -1.98%
10th Percentile £450 £493 £358
90th Percentile £563 £670 £509
West London median daily rate £550 £525 £495
% change year-on-year +4.76% +6.06% +4.21%
Number of hourly rates quoted 0 0 1
Hounslow median hourly rate - - £55.00
West London median hourly rate £45.00 - £45.00

Open Source 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 383 291 244
As % of all contract IT jobs advertised in Hounslow 92.07% 89.54% 88.09%
Number of daily rates quoted 231 187 143
Hounslow median daily rate £500 £500 £425
Median daily rate % change year-on-year - +17.65% +1.19%
10th Percentile £250 £294 £226
90th Percentile £623 £594 £550
West London median daily rate £450 £450 £425
% change year-on-year - +5.88% +4.94%
Number of hourly rates quoted 23 7 13
Hounslow median hourly rate £30.00 £26.00 £25.00
Median hourly rate % change year-on-year +15.38% +4.00% +25.00%
10th Percentile £11.00 £12.00 £8.60
90th Percentile £115.00 £105.88 £68.76
West London median hourly rate £40.00 £25.50 £21.50
% change year-on-year +56.86% +18.60% -2.27%

Open Source
Job Vacancy Trend in Hounslow

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

Job vacancy trend for Open Source in Hounslow

Open Source
Contractor Daily Rate Trend in Hounslow

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

Contractor daily rate trend for Open Source in Hounslow

Open Source
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 Open Source within the Hounslow region over the 6 months to 12 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
Osterley +9 7 £500 -
Isleworth +12 3 £525 -2.78% 1
Open Source
West London

For the 6 months to 12 December 2018, IT contractor jobs citing Open Source 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 Open Source.

1 8 (88.89%) Agile Software Development
2 7 (77.78%) Pair Programming
2 7 (77.78%) Continuous Improvement
3 6 (66.67%) TDD
3 6 (66.67%) Linux
4 5 (55.56%) Test Automation
4 5 (55.56%) Continuous Integration
4 5 (55.56%) Jenkins
5 4 (44.44%) Acceptance Criteria
5 4 (44.44%) Unix
5 4 (44.44%) REST
5 4 (44.44%) Degree
5 4 (44.44%) Java
5 4 (44.44%) Content Management
6 3 (33.33%) CMS
6 3 (33.33%) PostgreSQL
6 3 (33.33%) Spring
6 3 (33.33%) C++
6 3 (33.33%) SQL
6 3 (33.33%) QA
6 3 (33.33%) Qt
6 3 (33.33%) Unit Testing
6 3 (33.33%) BDD
6 3 (33.33%) Amazon AWS
6 3 (33.33%) Bash Shell
7 2 (22.22%) High Availability
7 2 (22.22%) Node.js
7 2 (22.22%) RESTful
7 2 (22.22%) JavaScript
7 2 (22.22%) Scrum

Open Source
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 3 (33.33%) CMS
2 1 (11.11%) Apache Solr
2 1 (11.11%) Confluence
Cloud Services
1 3 (33.33%) Amazon AWS
Database & Business Intelligence
1 3 (33.33%) PostgreSQL
2 1 (11.11%) Apache Cassandra
2 1 (11.11%) MongoDB
2 1 (11.11%) Relational Database
Development Applications
1 5 (55.56%) Jenkins
2 1 (11.11%) Cucumber
2 1 (11.11%) Gatling
2 1 (11.11%) Git (software)
2 1 (11.11%) JIRA
2 1 (11.11%) JMeter
2 1 (11.11%) LoadRunner
2 1 (11.11%) Subversion
2 1 (11.11%) WebDriver
Job Titles
1 8 (88.89%) Developer
2 4 (44.44%) Senior Developer
3 3 (33.33%) Java Developer
4 1 (11.11%) Agile Developer
4 1 (11.11%) Agile Java Developer
4 1 (11.11%) Developer in Test
4 1 (11.11%) Integration Tester
4 1 (11.11%) JavaScript Developer
4 1 (11.11%) Node.js Developer
4 1 (11.11%) Senior Java Developer
4 1 (11.11%) Tester
Libraries, Frameworks & Software Standards
1 4 (44.44%) REST
2 3 (33.33%) Qt
2 3 (33.33%) Spring
3 2 (22.22%) Node.js
3 2 (22.22%) RESTful
4 1 (11.11%) AngularJS
4 1 (11.11%) Apollo GraphQL
4 1 (11.11%) CSS
4 1 (11.11%) CSS3
4 1 (11.11%) Gherkin
4 1 (11.11%) GraphQL
4 1 (11.11%) HTML
4 1 (11.11%) HTML5
4 1 (11.11%) jQuery
4 1 (11.11%) JSON
4 1 (11.11%) LESS
4 1 (11.11%) React
4 1 (11.11%) Sass
4 1 (11.11%) Velocity
4 1 (11.11%) Web Services
Miscellaneous
1 1 (11.11%) Data Centre
1 1 (11.11%) Linux Command Line
1 1 (11.11%) Video on Demand
1 1 (11.11%) Video\Live Streaming
Operating Systems
1 6 (66.67%) Linux
2 4 (44.44%) Unix
Processes & Methodologies
1 8 (88.89%) Agile Software Development
2 7 (77.78%) Continuous Improvement
2 7 (77.78%) Pair Programming
3 6 (66.67%) TDD
4 5 (55.56%) Continuous Integration
4 5 (55.56%) Test Automation
5 4 (44.44%) Acceptance Criteria
5 4 (44.44%) Content Management
6 3 (33.33%) BDD
6 3 (33.33%) Unit Testing
7 2 (22.22%) High Availability
7 2 (22.22%) Scrum
8 1 (11.11%) Load Testing
8 1 (11.11%) OO
8 1 (11.11%) OOD
8 1 (11.11%) OOP
8 1 (11.11%) Performance Testing
8 1 (11.11%) Release Management
8 1 (11.11%) Risk Assessment
8 1 (11.11%) Software Engineering
Programming Languages
1 4 (44.44%) Java
2 3 (33.33%) Bash Shell
2 3 (33.33%) C++
2 3 (33.33%) SQL
3 2 (22.22%) Java 8
3 2 (22.22%) JavaScript
4 1 (11.11%) ES6
4 1 (11.11%) Python
4 1 (11.11%) Ruby
4 1 (11.11%) Scala
Qualifications
1 4 (44.44%) Degree
Quality Assurance & Compliance
1 3 (33.33%) QA
System Software
1 1 (11.11%) Docker
Systems Management
1 1 (11.11%) Kubernetes
1 1 (11.11%) Prometheus
Vendors
1 1 (11.11%) AppDynamics
1 1 (11.11%) SOASTA, Inc