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 23 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.

Memory Management
London / City of London
3 months to
23 Jun 2017
Same period 2016 Same period 2015
Rank 163 - 183
Rank change year-on-year - 0  
Contract jobs citing Memory Management 3 0 18
As % of all contract IT jobs advertised in the City of London 0.091% - 0.31%
As % of the Processes & Methodologies category 0.10% - 0.38%
Number of daily rates quoted 2 0 18
Median daily rate £399 - £475
90% offered a daily rate of more than £310 - £425
10% offered a daily rate of more than £488 - £583
UK excluding London median daily rate £400 £375 £310
% change year-on-year +6.66% +20.96%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

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 2907 2906 4704
As % of all contract IT job vacancies advertised in the City of London 88.09% 85.87% 80.95%
Number of daily rates quoted 2235 2375 3702
Median daily rate £500 £475 £473
Median daily rate % change year-on-year +5.26% +0.52%  
90% offered a daily rate of more than £350 £335 £325
10% offered a daily rate of more than £650 £625 £625
UK excluding London median daily rate £415 £400 £383
% change year-on-year +3.75% +4.57%  
Number of hourly rates quoted 25 25 56
Median hourly rate £20.00 £19.00 £24.50
Median hourly rate % change year-on-year +5.26% -22.44%  
90% offered a hourly rate of more than £14.75 £12.50 £15.00
10% offered a hourly rate of more than £41.00 £31.50 £55.50
UK excluding London median hourly rate £33.50 £28.50 £30.00
% change year-on-year +17.54% -5.00%  

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
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Memory Management in the City of London over the 3 months to 23 June 2017.

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

For the 6 months to 23 June 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 4 (100.00%) Java
2 3 (75.00%) SQL
3 2 (50.00%) J2EE
3 2 (50.00%) Unix
3 2 (50.00%) Agile Software Development
3 2 (50.00%) Subversion
3 2 (50.00%) Spring
4 1 (25.00%) Maven
4 1 (25.00%) Ruby
4 1 (25.00%) Java EE
4 1 (25.00%) JIRA
4 1 (25.00%) FIX Protocol
4 1 (25.00%) Spring MVC
4 1 (25.00%) Credit Risk
4 1 (25.00%) Integration Testing
4 1 (25.00%) Continuous Integration
4 1 (25.00%) Multithreading
4 1 (25.00%) Git (software)
4 1 (25.00%) RESTful
4 1 (25.00%) Bash Shell
4 1 (25.00%) HTML5
4 1 (25.00%) NoSQL
4 1 (25.00%) REST
4 1 (25.00%) High Availability
4 1 (25.00%) Change Control
4 1 (25.00%) Digital Media
4 1 (25.00%) Big Data
4 1 (25.00%) Cloudera
4 1 (25.00%) MarkLogic
4 1 (25.00%) AngularJS

Memory Management
Co-occurring 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 (25.00%) JBoss
Communications & Networking
1 1 (25.00%) TCP/IP
Database & Business Intelligence
1 1 (25.00%) Big Data
1 1 (25.00%) MarkLogic
1 1 (25.00%) MySQL
1 1 (25.00%) NoSQL
1 1 (25.00%) Relational Database
Development Applications
1 2 (50.00%) Subversion
2 1 (25.00%) Git (software)
2 1 (25.00%) Jenkins
2 1 (25.00%) JIRA
2 1 (25.00%) Maven
General
1 1 (25.00%) Automotive
1 1 (25.00%) Banking
1 1 (25.00%) Finance
1 1 (25.00%) Front Office
1 1 (25.00%) Telecoms
Job Titles
1 3 (75.00%) Developer
2 2 (50.00%) Java Developer
3 1 (25.00%) Angular Developer
3 1 (25.00%) DevOps Specialist
3 1 (25.00%) Front End Developer (Client-Side Developer)
3 1 (25.00%) HTML CSS Developer
3 1 (25.00%) HTML Developer
Libraries, Frameworks & Software Standards
1 2 (50.00%) J2EE
1 2 (50.00%) Spring
2 1 (25.00%) AngularJS
2 1 (25.00%) CSS
2 1 (25.00%) FIX Protocol
2 1 (25.00%) Hibernate
2 1 (25.00%) HTML
2 1 (25.00%) HTML5
2 1 (25.00%) Java EE
2 1 (25.00%) JMS
2 1 (25.00%) REST
2 1 (25.00%) RESTful
2 1 (25.00%) Spring MVC
2 1 (25.00%) Web Services
2 1 (25.00%) XML
2 1 (25.00%) XSLT
Miscellaneous
1 1 (25.00%) Algorithms
1 1 (25.00%) Credit Risk
1 1 (25.00%) Data Structures
1 1 (25.00%) Digital Media
1 1 (25.00%) Equities
1 1 (25.00%) User Experience
Operating Systems
1 2 (50.00%) Unix
Processes & Methodologies
1 2 (50.00%) Agile Software Development
2 1 (25.00%) Change Control
2 1 (25.00%) Configuration Management
2 1 (25.00%) Continuous Integration
2 1 (25.00%) CRM
2 1 (25.00%) DevOps
2 1 (25.00%) Front End Development
2 1 (25.00%) High Availability
2 1 (25.00%) Integration Testing
2 1 (25.00%) Low Latency
2 1 (25.00%) Mentoring
2 1 (25.00%) Multithreading
2 1 (25.00%) MVC
2 1 (25.00%) SDLC
2 1 (25.00%) TDD
2 1 (25.00%) User Stories
Programming Languages
1 4 (100.00%) Java
2 3 (75.00%) SQL
3 1 (25.00%) Bash Shell
3 1 (25.00%) Perl
3 1 (25.00%) Python
3 1 (25.00%) Ruby
Systems Management
1 1 (25.00%) Ansible
Vendors
1 1 (25.00%) Cloudera
1 1 (25.00%) Oracle
1 1 (25.00%) Red Hat