The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Memory Management skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Memory Management 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
Memory Management
London / City of London
Rank 152 154 184
Rank change year-on-year +2 +30  
Contract jobs citing Memory Management 1 4 5
As % of all contract IT jobs advertised in the City of London 0.033% 0.12% 0.099%
As % of the Processes & Methodologies category 0.039% 0.14% 0.12%
Number of daily rates quoted 1 4 4
Median daily rate £675 £375 £563
Median daily rate % change year-on-year +80.00% -33.33%  
UK excluding London median daily rate £400 £350 £350
% change year-on-year +14.28% -  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £30.74 - -

Memory Management is in the process and methodology 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 process and methodology skills.

Contract Process & Methodology Skills
City of London
Contract job vacancies with a requirement for process and methodology skills 2591 2891 4163
As % of all contract IT job vacancies advertised in the City of London 85.46% 87.77% 82.45%
Number of daily rates quoted 2034 2315 3208
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 £345 £325 £313
10% offered a daily rate of more than £625 £625 £625
UK excluding London median daily rate £410 £400 £400
% change year-on-year +2.50% -  
Number of hourly rates quoted 22 26 36
Median hourly rate £16.00 £20.00 £20.45
Median hourly rate % change year-on-year -19.97% -2.20%  
90% offered a hourly rate of more than £13.50 £13.00 £12.50
10% offered a hourly rate of more than £28.35 £47.50 £92.50
UK excluding London median hourly rate £36.00 £39.00 £30.00
% change year-on-year -7.69% +30.00%  

Memory Management
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing Memory Management as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for Memory Management in the City of London

Memory Management
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 Memory Management in the City of London.

Contractor daily rate trend for Memory Management in the City of London

Memory Management
Top 30 Related IT Skills in the City of London

For the 6 months to 24 March 2017, IT contractor jobs citing Memory Management 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 Memory Management.

1 2 (100.00%) SQL
2 1 (50.00%) T-SQL
2 1 (50.00%) J2EE
2 1 (50.00%) Oracle
2 1 (50.00%) SQL Server
2 1 (50.00%) IIS
2 1 (50.00%) Unix
2 1 (50.00%) Windows
2 1 (50.00%) TCP/IP
2 1 (50.00%) Microsoft
2 1 (50.00%) C#
2 1 (50.00%) Java
2 1 (50.00%) Front Office
2 1 (50.00%) MVC
2 1 (50.00%) Finance
2 1 (50.00%) Equities
2 1 (50.00%) Agile Software Development
2 1 (50.00%) NUnit
2 1 (50.00%) Subversion
2 1 (50.00%) Web Development
2 1 (50.00%) FIX Protocol
2 1 (50.00%) Unit Testing
2 1 (50.00%) Multithreading
2 1 (50.00%) Team Foundation Server
2 1 (50.00%) Inversion of Control
2 1 (50.00%) Parallel Processing
2 1 (50.00%) High Availability
2 1 (50.00%) AngularJS
2 1 (50.00%) Unity DI Container
2 1 (50.00%) Low Latency

Memory Management
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 1 (50.00%) IIS
Communications & Networking
1 1 (50.00%) TCP/IP
Database & Business Intelligence
1 1 (50.00%) SQL Server
Development Applications
1 1 (50.00%) NUnit
1 1 (50.00%) Subversion
1 1 (50.00%) Team Foundation Server
General
1 1 (50.00%) Finance
1 1 (50.00%) Front Office
Job Titles
1 2 (100.00%) Developer
2 1 (50.00%) C# Developer
2 1 (50.00%) Java Developer
2 1 (50.00%) SQL Developer
2 1 (50.00%) SQL Server Developer
Libraries, Frameworks & Software Standards
1 1 (50.00%) AngularJS
1 1 (50.00%) ASP.NET Web API
1 1 (50.00%) FIX Protocol
1 1 (50.00%) J2EE
1 1 (50.00%) Unity DI Container
Miscellaneous
1 1 (50.00%) Algorithms
1 1 (50.00%) Analytical Skills
1 1 (50.00%) Data Structures
1 1 (50.00%) Equities
Operating Systems
1 1 (50.00%) Unix
1 1 (50.00%) Windows
Processes & Methodologies
1 1 (50.00%) Agile Software Development
1 1 (50.00%) High Availability
1 1 (50.00%) Inversion of Control
1 1 (50.00%) Low Latency
1 1 (50.00%) Multithreading
1 1 (50.00%) MVC
1 1 (50.00%) Parallel Processing
1 1 (50.00%) Unit Testing
1 1 (50.00%) Web Development
Programming Languages
1 2 (100.00%) SQL
2 1 (50.00%) C#
2 1 (50.00%) Java
2 1 (50.00%) T-SQL
Vendors
1 1 (50.00%) Microsoft
1 1 (50.00%) Oracle