The following table provides summary statistics for contract job vacancies advertised in 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 26 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
26 Mar 2017
Same period 2016 Same period 2015
Memory Management
England / London
Rank 378 416 387
Rank change year-on-year +38 -29  
Contract jobs citing Memory Management 28 20 32
As % of all contract IT jobs advertised in London 0.15% 0.090% 0.15%
As % of the Processes & Methodologies category 0.17% 0.11% 0.18%
Number of daily rates quoted 28 15 23
Median daily rate £625 £525 £418
Median daily rate % change year-on-year +19.04% +25.74%  
90% offered a daily rate of more than £455 £375 £378
10% offered a daily rate of more than £675 £655 £650
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 London with a requirement for process and methodology skills.

Contract Process & Methodology Skills
London
Contract job vacancies with a requirement for process and methodology skills 16395 18853 17384
As % of all contract IT job vacancies advertised in London 85.18% 85.15% 82.03%
Number of daily rates quoted 11793 13608 12215
Median daily rate £480 £475 £450
Median daily rate % change year-on-year +1.05% +5.55%  
90% offered a daily rate of more than £345 £325 £310
10% offered a daily rate of more than £650 £625 £615
UK excluding London median daily rate £410 £400 £398
% change year-on-year +2.50% +0.62%  
Number of hourly rates quoted 167 194 249
Median hourly rate £32.50 £22.50 £20.00
Median hourly rate % change year-on-year +44.44% +12.50%  
90% offered a hourly rate of more than £14.20 £12.50 £11.00
10% offered a hourly rate of more than £55.00 £52.50 £55.00
UK excluding London median hourly rate £36.00 £38.75 £30.00
% change year-on-year -7.09% +29.16%  

Memory Management
Job Vacancy Trend in London

The job posting trend of jobs advertised in 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 London

Memory Management
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for Memory Management in London

Memory Management
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Memory Management in London over the 3 months to 26 March 2017.

Contractor daily rate histogram for Memory Management in London

Memory Management
Contractor Hourly Rate Trend in London

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

Contractor hourly rate trend for Memory Management in London

Memory Management
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Memory Management within the London region over the 3 months to 26 March 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
City of London +1 1 £675 +80.00% 2
Canary Wharf - 1 £500 -
Memory Management
England

Memory Management
Top 30 Related IT Skills in London

For the 6 months to 26 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 London region with a requirement for Memory Management.

1 34 (73.91%) Front Office
2 31 (67.39%) C++
3 30 (65.22%) Linux
4 29 (63.04%) Windows
5 28 (60.87%) Banking
6 27 (58.70%) Release Management
6 27 (58.70%) Tick Data
7 26 (56.52%) Investment Banking
8 22 (47.83%) PhD
9 17 (36.96%) Java
10 10 (21.74%) Google
10 10 (21.74%) Rust
11 9 (19.57%) Algorithms
11 9 (19.57%) Multithreading
11 9 (19.57%) Agile Software Development
12 8 (17.39%) C#
12 8 (17.39%) Go
13 7 (15.22%) Finance
14 5 (10.87%) C
14 5 (10.87%) Foreign Exchange (FX)
14 5 (10.87%) SQL
14 5 (10.87%) Computer Science
15 4 (8.70%) Android
15 4 (8.70%) Continuous Integration
15 4 (8.70%) Android Development
15 4 (8.70%) Unix
15 4 (8.70%) J2EE
15 4 (8.70%) TDD
15 4 (8.70%) Subversion
15 4 (8.70%) Low Latency

Memory Management
Top Related 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 2 (4.35%) JBoss
2 1 (2.17%) Confluence
2 1 (2.17%) IIS
Applications
1 1 (2.17%) HipChat
Cloud Services
1 2 (4.35%) iTunes
Communications & Networking
1 1 (2.17%) SSL
1 1 (2.17%) TCP/IP
Database & Business Intelligence
1 27 (58.70%) Tick Data
2 2 (4.35%) SQLite
3 1 (2.17%) KDB
3 1 (2.17%) Kdb+
3 1 (2.17%) Oracle Database
3 1 (2.17%) Oracle Database 10g
3 1 (2.17%) Oracle Database 11g
3 1 (2.17%) SQL Server
Development Applications
1 4 (8.70%) Subversion
2 3 (6.52%) Git (software)
2 3 (6.52%) JIRA
2 3 (6.52%) JUnit
2 3 (6.52%) Maven
3 2 (4.35%) Gradle
3 2 (4.35%) Jenkins
3 2 (4.35%) Mockito
3 2 (4.35%) Robolectric
3 2 (4.35%) Selenium
4 1 (2.17%) Ant
4 1 (2.17%) Atlassian Bamboo
4 1 (2.17%) EasyMock
4 1 (2.17%) NUnit
4 1 (2.17%) Team Foundation Server
4 1 (2.17%) TeamCity
General
1 34 (73.91%) Front Office
2 28 (60.87%) Banking
3 26 (56.52%) Investment Banking
4 7 (15.22%) Finance
5 2 (4.35%) Retail
6 1 (2.17%) Retail Banking
Job Titles
1 39 (84.78%) Developer
2 13 (28.26%) C++ Developer
3 12 (26.09%) Front Office Developer
3 12 (26.09%) Quantitative Developer
4 8 (17.39%) Java Developer
5 5 (10.87%) Senior Developer
6 3 (6.52%) C# Developer
6 3 (6.52%) iOS Developer
6 3 (6.52%) Linux Developer
6 3 (6.52%) Senior Java Developer
6 3 (6.52%) SQL Developer
7 2 (4.35%) Android Developer
7 2 (4.35%) C++/C# Developer
7 2 (4.35%) C++/Java Developer
7 2 (4.35%) iPad Developer
7 2 (4.35%) Lead Android Developer
7 2 (4.35%) Lead Developer
7 2 (4.35%) Objective-C Developer
7 2 (4.35%) Senior Android Developer
8 1 (2.17%) SQL Server Developer
Libraries, Frameworks & Software Standards
1 4 (8.70%) J2EE
2 3 (6.52%) FIX Protocol
2 3 (6.52%) XML
3 2 (4.35%) Cocoa Touch
3 2 (4.35%) Core Data
3 2 (4.35%) Google Maps API
3 2 (4.35%) HTML
3 2 (4.35%) HTML5
3 2 (4.35%) JSON
3 2 (4.35%) Material Design
3 2 (4.35%) Web Services
4 1 (2.17%) AngularJS
4 1 (2.17%) ASP.NET Web API
4 1 (2.17%) JDBC
4 1 (2.17%) JMS
4 1 (2.17%) Regular Expression
4 1 (2.17%) Servlets
4 1 (2.17%) Spring
4 1 (2.17%) Swing
4 1 (2.17%) Unity DI Container
Miscellaneous
1 9 (19.57%) Algorithms
2 5 (10.87%) Computer Science
2 5 (10.87%) Foreign Exchange (FX)
3 3 (6.52%) iPhone
4 2 (4.35%) Analytical Skills
4 2 (4.35%) Data Structures
4 2 (4.35%) Equities
4 2 (4.35%) iPad
4 2 (4.35%) Mobile Payment
5 1 (2.17%) Client/Server
Operating Systems
1 30 (65.22%) Linux
2 29 (63.04%) Windows
3 4 (8.70%) Android
3 4 (8.70%) Unix
4 3 (6.52%) Apple iOS
5 2 (4.35%) Red Hat Enterprise Linux
Processes & Methodologies
1 27 (58.70%) Release Management
2 9 (19.57%) Agile Software Development
2 9 (19.57%) Multithreading
3 4 (8.70%) Android Development
3 4 (8.70%) Continuous Integration
3 4 (8.70%) Low Latency
3 4 (8.70%) TDD
4 3 (6.52%) Concurrent Programming
4 3 (6.52%) iOS Development
4 3 (6.52%) MVC
4 3 (6.52%) Performance Tuning
4 3 (6.52%) Unit Testing
5 2 (4.35%) Configuration Management
5 2 (4.35%) Data Protection
5 2 (4.35%) DevOps
5 2 (4.35%) Performance Optimisation
5 2 (4.35%) Push Notifications
6 1 (2.17%) High Availability
6 1 (2.17%) Performance Analysis
6 1 (2.17%) Time Series Analysis
Programming Languages
1 31 (67.39%) C++
2 17 (36.96%) Java
3 10 (21.74%) Rust
4 8 (17.39%) C#
4 8 (17.39%) Go
5 5 (10.87%) C
5 5 (10.87%) SQL
6 3 (6.52%) Apple Swift
6 3 (6.52%) Bash Shell
6 3 (6.52%) Perl
6 3 (6.52%) Python
7 2 (4.35%) Objective-C
7 2 (4.35%) PL/SQL
7 2 (4.35%) Ruby
8 1 (2.17%) JavaScript
8 1 (2.17%) sed
8 1 (2.17%) Shell Script
8 1 (2.17%) T-SQL
Qualifications
1 22 (47.83%) PhD
Quality Assurance & Compliance
1 1 (2.17%) QA
Systems Management
1 2 (4.35%) Ansible
1 2 (4.35%) Nagios
1 2 (4.35%) Opscode Chef
1 2 (4.35%) Puppet
2 1 (2.17%) BladeLogic
Vendors
1 10 (21.74%) Google
2 3 (6.52%) Oracle
2 3 (6.52%) Red Hat
3 2 (4.35%) Splunk
4 1 (2.17%) Atlassian
4 1 (2.17%) Microsoft