The following table provides summary statistics for contract job vacancies 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
UK
3 months to
22 Jun 2017
Same period 2016 Same period 2015
Rank 601 632 610
Rank change year-on-year +31 -22  
Contract jobs citing Informix 14 13 33
As % of all contract IT jobs advertised in the UK 0.030% 0.024% 0.059%
As % of the Database & Business Intelligence category 0.13% 0.11% 0.25%
Number of daily rates quoted 6 5 19
Median daily rate £388 £475 £350
Median daily rate % change year-on-year -18.42% +35.71%  
90% offered a daily rate of more than £369 £356 £300
10% offered a daily rate of more than £531 £478 £404
UK excluding London median daily rate £388 £475 £373
% change year-on-year -18.42% +27.51%  
Number of hourly rates quoted 0 0 1
Median hourly rate - - £19.50
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 with a requirement for database and business intelligence skills.

Contract Database & Business Intelligence Skills
UK
Contract job vacancies with a requirement for database and business intelligence skills 10552 11745 13232
As % of all contract IT job vacancies advertised in the UK 22.51% 21.78% 23.54%
Number of daily rates quoted 6912 7977 8671
Median daily rate £450 £425 £400
Median daily rate % change year-on-year +5.88% +6.25%  
90% offered a daily rate of more than £325 £300 £276
10% offered a daily rate of more than £600 £600 £550
UK excluding London median daily rate £400 £388 £351
% change year-on-year +3.22% +10.55%  
Number of hourly rates quoted 146 196 188
Median hourly rate £31.00 £32.50 £27.50
Median hourly rate % change year-on-year -4.61% +18.18%  
90% offered a hourly rate of more than £13.00 £12.00 £15.36
10% offered a hourly rate of more than £50.00 £49.00 £52.17
UK excluding London median hourly rate £38.00 £31.27 £26.75
% change year-on-year +21.52% +16.89%  

Informix
Job Vacancy Trend

The job posting trend of jobs advertised 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 UK

Informix
Contractor Daily Rate Trend

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

Contractor daily rate trend for Informix in the UK

Informix
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing Informix over the 3 months to 22 June 2017.

Contractor daily rate histogram for Informix in the UK

Informix
Contractor Hourly Rate Trend

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

Contractor hourly rate trend for Informix in the UK

Informix
Top 13 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Informix within the UK over the 3 months to 22 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +44 10 £488 +2.63% 4
London +19 5 £488 +71.05%
Scotland - 4 £388 -
Edinburgh - 4 £388 -
Basingstoke - 2 - -
Hampshire - 2 - -
South East - 2 - -
East Midlands - 2 - - 2
East of England - 1 - -
Nottinghamshire - 1 - - 2
Hertfordshire - 1 - -
Essex - 1 - -
Nottingham - 1 - - 2

For the 6 months to 22 June 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 with a requirement for Informix.

1 18 (69.23%) Oracle
2 13 (50.00%) DB2
3 12 (46.15%) Unix
4 10 (38.46%) Linux
4 10 (38.46%) SQL Server
4 10 (38.46%) Sybase
5 7 (26.92%) RDBMS
5 7 (26.92%) Relational Database
6 6 (23.08%) Solaris
6 6 (23.08%) SQL
6 6 (23.08%) MongoDB
7 5 (19.23%) Finance
7 5 (19.23%) Migration
7 5 (19.23%) Degree
7 5 (19.23%) Perl
7 5 (19.23%) Customer Requirements
8 4 (15.38%) Coaching
8 4 (15.38%) T-SQL
8 4 (15.38%) Windows
8 4 (15.38%) Cognos
8 4 (15.38%) Data Warehouse
8 4 (15.38%) Microsoft
8 4 (15.38%) BusinessObjects
8 4 (15.38%) Informatica
8 4 (15.38%) Shell Script
8 4 (15.38%) Telecoms
8 4 (15.38%) PostgreSQL
8 4 (15.38%) Teradata
8 4 (15.38%) PostGIS
8 4 (15.38%) Data Transformation

Informix
Co-occurring IT Skills 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 2 (7.69%) SAS
2 1 (3.85%) CMS
Applications
1 1 (3.85%) Microsoft Office
Cloud Services
1 2 (7.69%) Amazon AWS
1 2 (7.69%) Amazon EC2
1 2 (7.69%) Amazon S3
1 2 (7.69%) AWS Elastic Beanstalk
1 2 (7.69%) GitHub
1 2 (7.69%) Loggly
1 2 (7.69%) OpenShift
1 2 (7.69%) Virtual Private Cloud
Communications & Networking
1 3 (11.54%) Firewall
1 3 (11.54%) Internet
1 3 (11.54%) SAN
2 2 (7.69%) Network Security
2 2 (7.69%) TCP/IP
3 1 (3.85%) SDH
Database & Business Intelligence
1 13 (50.00%) DB2
2 10 (38.46%) SQL Server
3 7 (26.92%) RDBMS
3 7 (26.92%) Relational Database
4 6 (23.08%) MongoDB
5 4 (15.38%) BusinessObjects
5 4 (15.38%) Data Warehouse
5 4 (15.38%) PostgreSQL
6 3 (11.54%) GIS
6 3 (11.54%) Microsoft Analysis Services
6 3 (11.54%) SQL Server Analysis Services
7 2 (7.69%) Apache Cassandra
7 2 (7.69%) Data Mart
7 2 (7.69%) MySQL
7 2 (7.69%) Oracle Database
8 1 (3.85%) Spatial Data
Development Applications
1 3 (11.54%) Team Foundation Server
2 2 (7.69%) Ant
2 2 (7.69%) Artifactory
2 2 (7.69%) Atlassian Bamboo
2 2 (7.69%) Cucumber
2 2 (7.69%) Eclipse
2 2 (7.69%) Git (software)
2 2 (7.69%) Gradle
2 2 (7.69%) HP UFT
2 2 (7.69%) IntelliJ
2 2 (7.69%) Jenkins
2 2 (7.69%) JIRA
2 2 (7.69%) JMeter
2 2 (7.69%) LoadRunner
2 2 (7.69%) Maven
2 2 (7.69%) Selenium
2 2 (7.69%) Sonatype Nexus
2 2 (7.69%) Subversion
2 2 (7.69%) TeamCity
2 2 (7.69%) Visual Studio
General
1 5 (19.23%) Finance
2 4 (15.38%) French Language
2 4 (15.38%) Telecoms
3 3 (11.54%) Financial Institution
3 3 (11.54%) German Language
4 2 (7.69%) Banking
5 1 (3.85%) Electronics
5 1 (3.85%) Legal
5 1 (3.85%) Marketing
Job Titles
1 7 (26.92%) Developer
2 4 (15.38%) Architect
2 4 (15.38%) Technical Architect
3 3 (11.54%) Analyst
3 3 (11.54%) Consultant
3 3 (11.54%) Linux Support
3 3 (11.54%) NOC Technician
3 3 (11.54%) Perl Developer
3 3 (11.54%) Support Analyst
4 2 (7.69%) AWS DevOps
4 2 (7.69%) AWS DevOps Engineer
4 2 (7.69%) AWS Engineer
4 2 (7.69%) Database Consultant
4 2 (7.69%) DevOps Engineer
4 2 (7.69%) Informix Developer
4 2 (7.69%) PostgreSQL Consultant
4 2 (7.69%) Technical Analyst
4 2 (7.69%) Technical Support
4 2 (7.69%) Technical Support Analyst
4 2 (7.69%) Teradata Architect
Libraries, Frameworks & Software Standards
1 4 (15.38%) PostGIS
2 3 (11.54%) Moose
2 3 (11.54%) SAML
3 2 (7.69%) Elastic Stack
4 1 (3.85%) Web Services
Miscellaneous
1 3 (11.54%) Analytical Skills
2 2 (7.69%) Blog
2 2 (7.69%) Client/Server
2 2 (7.69%) Mainframe
3 1 (3.85%) Computer Science
3 1 (3.85%) IVR
Operating Systems
1 12 (46.15%) Unix
2 10 (38.46%) Linux
3 6 (23.08%) Solaris
4 4 (15.38%) Windows
5 1 (3.85%) Red Hat Enterprise Linux
5 1 (3.85%) Windows 10
5 1 (3.85%) Windows 7
5 1 (3.85%) Windows Server
5 1 (3.85%) Windows Server 2012
Processes & Methodologies
1 5 (19.23%) Customer Requirements
1 5 (19.23%) Migration
2 4 (15.38%) Coaching
2 4 (15.38%) Data Transformation
2 4 (15.38%) Database Security
2 4 (15.38%) Database Tuning
2 4 (15.38%) Technical Analysis
3 3 (11.54%) Change Management
3 3 (11.54%) Integration Testing
3 3 (11.54%) ITIL
3 3 (11.54%) Network Monitoring
3 3 (11.54%) OO
3 3 (11.54%) SDLC
4 2 (7.69%) Configuration Management
4 2 (7.69%) CRM
4 2 (7.69%) Data Modelling
4 2 (7.69%) E-business
4 2 (7.69%) Project Management
4 2 (7.69%) RAD
4 2 (7.69%) Risk Management
Programming Languages
1 6 (23.08%) SQL
2 5 (19.23%) Perl
3 4 (15.38%) Shell Script
3 4 (15.38%) T-SQL
4 3 (11.54%) Korn
5 2 (7.69%) AWK
5 2 (7.69%) Java
5 2 (7.69%) Python
6 1 (3.85%) C
6 1 (3.85%) C++
6 1 (3.85%) JavaScript
6 1 (3.85%) VBA
6 1 (3.85%) VBScript
Qualifications
1 5 (19.23%) Degree
2 3 (11.54%) Sun Certification
3 1 (3.85%) Computer Science Degree
Quality Assurance & Compliance
1 2 (7.69%) Basel II
1 2 (7.69%) Disclosure Scotland
System Software
1 2 (7.69%) Docker
1 2 (7.69%) LXC
Systems Management
1 3 (11.54%) Ansible
1 3 (11.54%) Tivoli
2 2 (7.69%) Opscode Chef
2 2 (7.69%) Puppet
Vendors
1 18 (69.23%) Oracle
2 10 (38.46%) Sybase
3 4 (15.38%) Cognos
3 4 (15.38%) Informatica
3 4 (15.38%) Microsoft
3 4 (15.38%) Teradata
4 3 (11.54%) Remedy
4 3 (11.54%) Sun
5 2 (7.69%) IBM
5 2 (7.69%) Netezza
5 2 (7.69%) SAP
5 2 (7.69%) Splunk
6 1 (3.85%) Avaya
6 1 (3.85%) Ciena
6 1 (3.85%) Huawei
6 1 (3.85%) Mitel
6 1 (3.85%) Red Hat
6 1 (3.85%) VMware