The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Informix skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Informix over the 3 months to 22 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.

IBM Informix
London / City of London
3 months to
22 Jun 2017
Same period 2016 Same period 2015
Rank - - 210
Contract jobs citing Informix 0 0 2
As % of all contract IT jobs advertised in the City of London - - 0.034%
As % of the Database & Business Intelligence category - - 0.13%
Number of daily rates quoted 0 0 0
Median daily rate - - -
UK excluding London median daily rate £388 £475 £373
% change year-on-year -18.42% +27.51%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - £19.50

Informix is in the database and business intelligence skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for database and business intelligence skills.

Contract Database & Business Intelligence Skills
City of London
Contract job vacancies with a requirement for database and business intelligence skills 864 821 1499
As % of all contract IT job vacancies advertised in the City of London 26.21% 24.12% 25.79%
Number of daily rates quoted 678 654 1198
Median daily rate £500 £475 £450
Median daily rate % change year-on-year +5.26% +5.55%  
90% offered a daily rate of more than £375 £330 £325
10% offered a daily rate of more than £650 £625 £600
UK excluding London median daily rate £400 £388 £351
% change year-on-year +3.22% +10.55%  
Number of hourly rates quoted 2 5 7
Median hourly rate £21.50 £19.00 £30.00
Median hourly rate % change year-on-year +13.15% -36.66%  
UK excluding London median hourly rate £38.00 £31.27 £26.75
% change year-on-year +21.52% +16.89%  

Informix
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing Informix as a proportion of all contract or permanent IT jobs with a match in the Database & Business Intelligence category.

Job vacancy trend for Informix in the City of London

Informix
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 Informix in the City of London.

Contractor daily rate trend for Informix in the City of London