Period
to 22 November 2017

The following table provides summary statistics for contract job vacancies advertised in 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 6 months to 22 November 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
England > London
6 months to
22 Nov 2017
Same period 2016 Same period 2015
Rank 635 602 593
Rank change year-on-year -33 -9 +9
Contract jobs citing Informix 4 6 20
As % of all contract IT jobs advertised in London 0.008% 0.013% 0.043%
As % of the Database & Business Intelligence category 0.036% 0.057% 0.18%
Number of daily rates quoted 1 4 10
London median daily rate £613 £300 £400
Median daily rate % change year-on-year +104.17% -25.00% -7.51%
10th Percentile £606 £275 £338
90th Percentile £619 £360 £450
England median daily rate £395 £375 £425
% change year-on-year +5.33% -11.76% +6.25%
Number of hourly rates quoted 1 0 0
London median hourly rate £32.00 - -
England median hourly rate £32.00 - £43.43

Informix is in the Databases and Business Intelligence category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in London with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
London
Contract vacancies with a requirement for database or business intelligence skills 11230 10538 11142
As % of all contract IT jobs advertised in London 23.83% 23.30% 24.11%
Number of daily rates quoted 8339 7471 7953
London median daily rate £500 £475 £450
Median daily rate % change year-on-year +5.26% +5.56% +5.88%
10th Percentile £355 £324 £305
90th Percentile £663 £638 £625
England median daily rate £460 £425 £413
% change year-on-year +8.24% +3.03% +3.13%
Number of hourly rates quoted 62 40 74
London median hourly rate £26.88 £28.69 £22.50
Median hourly rate % change year-on-year -6.30% +27.51% -18.18%
10th Percentile £18.28 £15.25 £14.83
90th Percentile £58.75 £82.58 £94.00
England median hourly rate £31.75 £28.00 £27.89
% change year-on-year +13.39% +0.39% +13.84%

Informix
Job Vacancy Trend in London

Job postings citing Informix as a percentage of all IT jobs advertised in London.

Job vacancy trend for Informix in London

Informix
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for Informix in London

Informix
Contractor Hourly Rate Trend in London

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

Contractor hourly rate trend for Informix in London

For the 6 months to 22 November 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 London region with a requirement for Informix.

1 3 (75.00%) SQL
2 2 (50.00%) XML
2 2 (50.00%) FTP
2 2 (50.00%) Java
2 2 (50.00%) Windows
2 2 (50.00%) PostgreSQL
3 1 (25.00%) Clustering
3 1 (25.00%) Teradata
3 1 (25.00%) Data Management
3 1 (25.00%) Logistics
3 1 (25.00%) Supplier Management
3 1 (25.00%) Google
3 1 (25.00%) Problem Management
3 1 (25.00%) Release Management
3 1 (25.00%) ISO/IEC 20000
3 1 (25.00%) Data Mapping
3 1 (25.00%) Data Integration
3 1 (25.00%) Android
3 1 (25.00%) iPhone
3 1 (25.00%) Red Hat Enterprise Linux
3 1 (25.00%) ZABBIX
3 1 (25.00%) Team Foundation Server
3 1 (25.00%) SolarWinds
3 1 (25.00%) Windows 7
3 1 (25.00%) iPad
3 1 (25.00%) Apple iOS
3 1 (25.00%) Data Quality
3 1 (25.00%) Windows Server 2012
3 1 (25.00%) Opsview
3 1 (25.00%) PuTTY

Informix
Co-occurring IT Skills in 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 1 (25.00%) Apache
Cloud Services
1 1 (25.00%) Google Drive
Communications & Networking
1 2 (50.00%) FTP
2 1 (25.00%) PuTTY
2 1 (25.00%) TCP/IP
Database & Business Intelligence
1 2 (50.00%) PostgreSQL
2 1 (25.00%) DataStage
2 1 (25.00%) DB2
2 1 (25.00%) MySQL
2 1 (25.00%) QualityStage
2 1 (25.00%) SQL Server
Development Applications
1 1 (25.00%) Team Foundation Server
Job Titles
1 3 (75.00%) Developer
2 1 (25.00%) Applications Developer
2 1 (25.00%) DataStage Developer
2 1 (25.00%) DataStage ETL Developer
2 1 (25.00%) ETL Developer
2 1 (25.00%) Informix Developer
2 1 (25.00%) Linux Support
2 1 (25.00%) Systems Developer
Libraries, Frameworks & Software Standards
1 2 (50.00%) XML
2 1 (25.00%) LAMP
2 1 (25.00%) LAPP Stack
2 1 (25.00%) Middleware
2 1 (25.00%) Web Services
2 1 (25.00%) XML Schema
Miscellaneous
1 1 (25.00%) Clustering
1 1 (25.00%) iPad
1 1 (25.00%) iPhone
Operating Systems
1 2 (50.00%) Windows
2 1 (25.00%) Android
2 1 (25.00%) Apple iOS
2 1 (25.00%) Linux
2 1 (25.00%) Red Hat Enterprise Linux
2 1 (25.00%) Solaris
2 1 (25.00%) Unix
2 1 (25.00%) Windows 10
2 1 (25.00%) Windows 7
2 1 (25.00%) Windows Server
2 1 (25.00%) Windows Server 2012
Processes & Methodologies
1 1 (25.00%) Data Integration
1 1 (25.00%) Data Management
1 1 (25.00%) Data Mapping
1 1 (25.00%) ETL
1 1 (25.00%) ITIL
1 1 (25.00%) Logistics
1 1 (25.00%) Problem Management
1 1 (25.00%) Release Management
1 1 (25.00%) Supplier Management
Programming Languages
1 3 (75.00%) SQL
2 2 (50.00%) Java
3 1 (25.00%) C
3 1 (25.00%) C++
3 1 (25.00%) JavaScript
3 1 (25.00%) PHP
3 1 (25.00%) VBScript
Quality Assurance & Compliance
1 1 (25.00%) Data Quality
1 1 (25.00%) ISO/IEC 20000
System Software
1 1 (25.00%) Active Directory
Systems Management
1 1 (25.00%) Nagios
1 1 (25.00%) Opsview
1 1 (25.00%) ZABBIX
Vendors
1 1 (25.00%) Google
1 1 (25.00%) Oracle
1 1 (25.00%) Red Hat
1 1 (25.00%) SolarWinds
1 1 (25.00%) Sybase
1 1 (25.00%) Teradata