Period
to 18 November 2017

The median contractor rate for a Unix Developer was £444 per day in advertised job vacancies in the City of London during the 6 months to 18 November 2017.

The first table below provides contractor rate benchmarking and summary statistics including a comparison to 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.

Unix Developer
Central London > City of London
6 months to
18 Nov 2017
Same period 2016 Same period 2015
Rank 241 241 269
Rank change year-on-year 0 +28 +18
Contract jobs requiring a Unix Developer 8 6 4
As % of all contract IT jobs advertised in the City of London 0.11% 0.089% 0.043%
As % of the Job Titles category 0.12% 0.094% 0.045%
Number of daily rates quoted 8 6 4
City of London median daily rate £444 £600 £475
Median daily rate % change year-on-year -26.04% +26.32% -1.04%
10th Percentile £429 £450 £308
90th Percentile £516 £650 £538
Central London median daily rate £444 £600 £475
% change year-on-year -26.04% +26.32% -1.04%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

The following table is for comparison with the above and includes summary statistics for all contract IT job vacancies advertised in the City of London. Most job vacancies include a discernible job title that can be normalized. As such, the figures in the second row provide an indication of the number of contract jobs in our overall sample.

All Contract IT Job Vacancies
City of London
Contract vacancies in the City of London with a recognized job title 6694 6411 8806
% of contract IT jobs with a recognized job title 94.55% 95.54% 95.24%
Number of daily rates quoted 5291 5101 6921
City of London median daily rate £500 £475 £450
Median daily rate % change year-on-year +5.26% +5.56% +2.86%
10th Percentile £313 £313 £273
90th Percentile £675 £663 £650
Central London median daily rate £500 £475 £450
% change year-on-year +5.26% +5.56% +5.88%
Number of hourly rates quoted 94 79 126
City of London median hourly rate £17.00 £17.25 £18.00
Median hourly rate % change year-on-year -1.45% -4.17% +5.88%
10th Percentile £11.25 £11.45 £10.25
90th Percentile £29.29 £47.83 £37.88
Central London median hourly rate £18.05 £17.08 £18.00
% change year-on-year +5.66% -5.10% +10.23%

Unix Developer
Job Vacancy Trend in the City of London

Job postings that featured Unix Developer in the job title as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for Unix Developer in the City of London

Unix Developer
Contractor Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Unix Developer in the City of London.

Contractor daily rate trend for Unix Developer in the City of London

Unix Developer
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Unix Developer in the City of London over the 6 months to 18 November 2017.

Contractor daily rate histogram for Unix Developer in the City of London

Unix Developer
Contractor Hourly Rate Trend in the City of London

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

Contractor hourly rate trend for Unix Developer in the City of London

Unix Developer Skill Set
Top 30 Co-occurring IT Skills in the City of London

For the 6 months to 18 November 2017, Unix Developer contract jobs required the following IT skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the City of London region featuring Unix Developer in the job title.

1 8 (100.00%) Unix
2 7 (87.50%) Finance
2 7 (87.50%) Scrum
2 7 (87.50%) Agile Software Development
2 7 (87.50%) SQL
2 7 (87.50%) Java
2 7 (87.50%) Linux
3 5 (62.50%) MiFID
4 4 (50.00%) HTML5
4 4 (50.00%) RabbitMQ
4 4 (50.00%) Kafka
4 4 (50.00%) WildFly
4 4 (50.00%) Multithreading
4 4 (50.00%) Kanban
4 4 (50.00%) Windows
4 4 (50.00%) HTML
4 4 (50.00%) OO
4 4 (50.00%) Apache
4 4 (50.00%) JavaScript
4 4 (50.00%) PL/SQL
4 4 (50.00%) T-SQL
4 4 (50.00%) JSON
5 3 (37.50%) Git (software)
5 3 (37.50%) Banking
5 3 (37.50%) Spring
5 3 (37.50%) Investment Banking
6 2 (25.00%) Gradle
6 2 (25.00%) Relational Database
6 2 (25.00%) REST
6 2 (25.00%) SDLC

Unix Developer Skill Set
Co-occurring IT Skills in the City of 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 4 (50.00%) Apache
1 4 (50.00%) WildFly
Database & Business Intelligence
1 2 (25.00%) RDBMS
1 2 (25.00%) Relational Database
2 1 (12.50%) IBM PureData
2 1 (12.50%) Power BI
2 1 (12.50%) SQL Server
2 1 (12.50%) SQL Server Analysis Services
2 1 (12.50%) SQL Server Integration Services
Development Applications
1 3 (37.50%) Git (software)
2 2 (25.00%) Gradle
2 2 (25.00%) Maven
2 2 (25.00%) TeamCity
3 1 (12.50%) Subversion
General
1 7 (87.50%) Finance
2 3 (37.50%) Banking
2 3 (37.50%) Investment Banking
3 1 (12.50%) Front Office
Libraries, Frameworks & Software Standards
1 4 (50.00%) HTML
1 4 (50.00%) HTML5
1 4 (50.00%) JSON
1 4 (50.00%) Kafka
1 4 (50.00%) RabbitMQ
2 3 (37.50%) Spring
3 2 (25.00%) Hibernate
3 2 (25.00%) JMS
3 2 (25.00%) REST
3 2 (25.00%) Web Services
3 2 (25.00%) XML
3 2 (25.00%) XSD
Miscellaneous
1 1 (12.50%) Equities
1 1 (12.50%) Fixed Income
1 1 (12.50%) Foreign Exchange (FX)
Operating Systems
1 8 (100.00%) Unix
2 7 (87.50%) Linux
3 4 (50.00%) Windows
Processes & Methodologies
1 7 (87.50%) Agile Software Development
1 7 (87.50%) Scrum
2 4 (50.00%) Kanban
2 4 (50.00%) Multithreading
2 4 (50.00%) OO
3 2 (25.00%) MVC
3 2 (25.00%) SDLC
3 2 (25.00%) TDD
4 1 (12.50%) Business Intelligence
4 1 (12.50%) Data Modelling
4 1 (12.50%) Dimensional Modelling
4 1 (12.50%) Kimball Methodology
Programming Languages
1 7 (87.50%) Java
1 7 (87.50%) SQL
2 4 (50.00%) JavaScript
2 4 (50.00%) PL/SQL
2 4 (50.00%) T-SQL
3 2 (25.00%) Bash Shell
3 2 (25.00%) Groovy
3 2 (25.00%) Python
3 2 (25.00%) Scala
3 2 (25.00%) XPath
Qualifications
1 2 (25.00%) Degree
1 2 (25.00%) Master's Degree
Quality Assurance & Compliance
1 5 (62.50%) MiFID
Vendors
1 2 (25.00%) Oracle
2 1 (12.50%) IBM
2 1 (12.50%) Microsoft
2 1 (12.50%) Netezza