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 24 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.

3 months to
24 Mar 2017
Same period 2016 Same period 2015
IBM Informix
London / City of London
Rank - - 187
Contract jobs citing Informix 0 0 2
As % of all contract IT jobs advertised in the City of London - - 0.040%
As % of the Database & Business Intelligence category - - 0.16%
Number of daily rates quoted 0 0 0
Median daily rate - - -
UK excluding London median daily rate £413 £400 £350
% change year-on-year +3.12% +14.28%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

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 810 919 1252
As % of all contract IT job vacancies advertised in the City of London 26.72% 27.90% 24.80%
Number of daily rates quoted 640 743 967
Median daily rate £488 £475 £450
Median daily rate % change year-on-year +2.63% +5.55%  
90% offered a daily rate of more than £350 £330 £310
10% offered a daily rate of more than £625 £600 £588
UK excluding London median daily rate £400 £388 £375
% change year-on-year +3.22% +3.33%  
Number of hourly rates quoted 1 6 5
Median hourly rate £22.34 £31.29 £36.00
Median hourly rate % change year-on-year -28.60% -13.09%  
UK excluding London median hourly rate £31.00 £32.50 £32.50
% change year-on-year -4.61% -  

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

Informix
Top 11 Related IT Skills in the City of London

For the 6 months to 24 March 2017, IT contractor jobs citing Informix 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 City of London region with a requirement for Informix.

1 3 (100.00%) SQL
1 3 (100.00%) SQL Server
1 3 (100.00%) Web Services
1 3 (100.00%) ERP
1 3 (100.00%) BizTalk Server
1 3 (100.00%) Middleware
1 3 (100.00%) Validation
1 3 (100.00%) SQL Anywhere
1 3 (100.00%) Data Mapping
1 3 (100.00%) Reverse Engineering
2 2 (66.67%) Data Integration

Informix
Top Related 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 3 (100.00%) BizTalk Server
Database & Business Intelligence
1 3 (100.00%) SQL Anywhere
1 3 (100.00%) SQL Server
Job Titles
1 2 (66.67%) Analyst
1 2 (66.67%) Data Analyst
1 2 (66.67%) Data Integration Analyst
1 2 (66.67%) Integration Analyst
2 1 (33.33%) BizTalk Engineer
2 1 (33.33%) Integration Engineer
Libraries, Frameworks & Software Standards
1 3 (100.00%) Middleware
1 3 (100.00%) Web Services
Processes & Methodologies
1 3 (100.00%) Data Mapping
1 3 (100.00%) ERP
1 3 (100.00%) Reverse Engineering
1 3 (100.00%) Validation
2 2 (66.67%) Data Integration
Programming Languages
1 3 (100.00%) SQL