Period
to 21 November 2017

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 6 months to 21 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.

Memory Management
England > London
6 months to
21 Nov 2017
Same period 2016 Same period 2015
Rank 586 594 561
Rank change year-on-year +8 -33 -6
Contract jobs citing Memory Management 48 21 49
As % of all contract IT jobs advertised in London 0.10% 0.047% 0.11%
As % of the Processes & Methodologies category 0.12% 0.054% 0.13%
Number of daily rates quoted 29 18 40
London median daily rate £475 £625 £500
Median daily rate % change year-on-year -24.00% +25.00% +17.65%
10th Percentile £344 £436 £413
90th Percentile £593 £725 £625
England median daily rate £475 £381 £442
% change year-on-year +24.59% -13.79% +10.56%
Number of hourly rates quoted 0 0 0
London median hourly rate - - -
England median hourly rate £45.00 £42.50 -
% change year-on-year +5.88% - -

Memory Management is in the Processes and Methodologies 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 process or methodology skills.

All Process and Methodology Skills
London
Contract vacancies with a requirement for process or methodology skills 40937 38731 39019
As % of all contract IT jobs advertised in London 86.98% 86.21% 83.82%
Number of daily rates quoted 29768 27769 27882
London median daily rate £500 £475 £450
Median daily rate % change year-on-year +5.26% +5.56% +2.86%
10th Percentile £313 £305 £288
90th Percentile £675 £643 £638
England median daily rate £450 £425 £423
% change year-on-year +5.88% +0.47% +5.75%
Number of hourly rates quoted 383 401 470
London median hourly rate £22.50 £22.00 £20.00
Median hourly rate % change year-on-year +2.27% +10.00% +11.11%
10th Percentile £13.31 £12.25 £11.25
90th Percentile £51.60 £50.14 £50.00
England median hourly rate £23.75 £24.42 £22.50
% change year-on-year -2.74% +8.53% +18.42%

Memory Management
Job Vacancy Trend in London

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

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 6 months to 21 November 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 contractor hourly rates quoted in IT 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 6 months to 21 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London +18 13 £500 +25.00% 8
West London - 5 £475 -
East London - 1 £575 -
Memory Management
England

For the 6 months to 21 November 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 26 (54.17%) Java
2 25 (52.08%) TDD
3 23 (47.92%) Agile Software Development
4 19 (39.58%) Git (software)
5 18 (37.50%) Subversion
6 16 (33.33%) Jenkins
7 15 (31.25%) Maven
7 15 (31.25%) Finance
7 15 (31.25%) Multithreading
7 15 (31.25%) Python
8 14 (29.17%) Perl
8 14 (29.17%) Bash Shell
9 13 (27.08%) Banking
10 12 (25.00%) Unix
10 12 (25.00%) Red Hat
11 11 (22.92%) JBoss
11 11 (22.92%) Configuration Management
11 11 (22.92%) J2EE
11 11 (22.92%) Ruby
11 11 (22.92%) JIRA
11 11 (22.92%) DevOps
11 11 (22.92%) Ansible
12 10 (20.83%) Algorithms
12 10 (20.83%) SQL
12 10 (20.83%) XML
13 9 (18.75%) Computer Science
13 9 (18.75%) Test Automation
13 9 (18.75%) Data Structures
14 8 (16.67%) REST
14 8 (16.67%) Continuous Integration

Memory Management
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 11 (22.92%) JBoss
2 2 (4.17%) Apache
2 2 (4.17%) Apache Spark
Applications
1 3 (6.25%) Microsoft Excel
2 1 (2.08%) Microsoft Office
2 1 (2.08%) Microsoft Project
2 1 (2.08%) MS Visio
Cloud Services
1 4 (8.33%) Amazon AWS
2 3 (6.25%) Microsoft Azure
3 1 (2.08%) GitHub
3 1 (2.08%) SaaS
Communications & Networking
1 1 (2.08%) Internet
Database & Business Intelligence
1 8 (16.67%) SQL Server
2 4 (8.33%) MySQL
2 4 (8.33%) Relational Database
3 2 (4.17%) Apache Hive
3 2 (4.17%) Big Data
3 2 (4.17%) Data Warehouse
3 2 (4.17%) DataStage
3 2 (4.17%) DB2
3 2 (4.17%) Hadoop
3 2 (4.17%) HBase
3 2 (4.17%) IBM InfoSphere
3 2 (4.17%) MarkLogic
3 2 (4.17%) NoSQL
3 2 (4.17%) RDBMS
4 1 (2.08%) Blockchain
4 1 (2.08%) SQLite
4 1 (2.08%) Tick Data
Development Applications
1 19 (39.58%) Git (software)
2 18 (37.50%) Subversion
3 16 (33.33%) Jenkins
4 15 (31.25%) Maven
5 11 (22.92%) JIRA
6 6 (12.50%) ProC
7 4 (8.33%) Gradle
8 3 (6.25%) Jasmine
8 3 (6.25%) Karma Test Runner
8 3 (6.25%) Mocha
8 3 (6.25%) Octopus Deploy
8 3 (6.25%) QUnit
8 3 (6.25%) TeamCity
9 2 (4.17%) Cucumber
9 2 (4.17%) Eclipse
9 2 (4.17%) JUnit
9 2 (4.17%) Mockito
9 2 (4.17%) Team Foundation Server
9 2 (4.17%) WebObjects
10 1 (2.08%) LoadRunner
General
1 15 (31.25%) Finance
2 13 (27.08%) Banking
3 2 (4.17%) Multimedia
4 1 (2.08%) Front Office
4 1 (2.08%) Wholesale Banking
Job Titles
1 29 (60.42%) Developer
2 10 (20.83%) Java Developer
3 6 (12.50%) iOS Developer
3 6 (12.50%) Senior Developer
4 5 (10.42%) Architect
4 5 (10.42%) Lead DevOps
5 4 (8.33%) DevOps Engineer
5 4 (8.33%) HTML Developer
5 4 (8.33%) JavaScript Developer
5 4 (8.33%) Linux/Unix DevOps
5 4 (8.33%) Senior iOS Developer
6 3 (6.25%) .NET Developer
6 3 (6.25%) Android Developer
7 2 (4.17%) .NET Applications Developer
7 2 (4.17%) .NET Architect
7 2 (4.17%) Applications Developer
7 2 (4.17%) Configuration Management Engineer
7 2 (4.17%) Data Architect
7 2 (4.17%) Linux Engineer
7 2 (4.17%) Solutions Architect
Libraries, Frameworks & Software Standards
1 11 (22.92%) J2EE
2 10 (20.83%) XML
3 8 (16.67%) CSS
3 8 (16.67%) HTML
3 8 (16.67%) REST
4 7 (14.58%) .NET
4 7 (14.58%) Web Services
5 6 (12.50%) .NET Core
5 6 (12.50%) .NET Framework
5 6 (12.50%) Hibernate
5 6 (12.50%) HTML5
5 6 (12.50%) JMS
5 6 (12.50%) Spring
5 6 (12.50%) Unity DI Container
5 6 (12.50%) WCF
5 6 (12.50%) WPF
6 5 (10.42%) AngularJS
6 5 (10.42%) Task Parallel Library
7 4 (8.33%) React
7 4 (8.33%) Spring Boot
Miscellaneous
1 10 (20.83%) Algorithms
2 9 (18.75%) Computer Science
2 9 (18.75%) Data Structures
3 7 (14.58%) Greenfield Project
4 6 (12.50%) Derivative
5 5 (10.42%) iPhone
6 4 (8.33%) Mobile App
7 3 (6.25%) Fintech
7 3 (6.25%) User Experience
8 2 (4.17%) Equities
8 2 (4.17%) Smartphone
9 1 (2.08%) Credit Risk
9 1 (2.08%) Fixed Income
9 1 (2.08%) Foreign Exchange (FX)
9 1 (2.08%) N-Tier
Operating Systems
1 12 (25.00%) Unix
2 7 (14.58%) Apple iOS
3 5 (10.42%) Android
3 5 (10.42%) Linux
4 1 (2.08%) Red Hat Enterprise Linux
4 1 (2.08%) Windows
Processes & Methodologies
1 25 (52.08%) TDD
2 23 (47.92%) Agile Software Development
3 15 (31.25%) Multithreading
4 11 (22.92%) Configuration Management
4 11 (22.92%) DevOps
5 9 (18.75%) Test Automation
6 8 (16.67%) Continuous Integration
7 7 (14.58%) Release Management
7 7 (14.58%) Software Engineering
8 6 (12.50%) Inversion of Control
8 6 (12.50%) iOS Development
8 6 (12.50%) SOA
9 5 (10.42%) BDD
9 5 (10.42%) Code Optimisation
9 5 (10.42%) OO
9 5 (10.42%) SDLC
10 4 (8.33%) OOA/OOD
10 4 (8.33%) OOD
10 4 (8.33%) Web Development
11 3 (6.25%) Unit Testing
Programming Languages
1 26 (54.17%) Java
2 15 (31.25%) Python
3 14 (29.17%) Bash Shell
3 14 (29.17%) Perl
4 11 (22.92%) Ruby
5 10 (20.83%) SQL
6 8 (16.67%) JavaScript
7 6 (12.50%) Apple Swift
8 5 (10.42%) C#
9 4 (8.33%) C++
10 3 (6.25%) C
11 2 (4.17%) ActionScript
11 2 (4.17%) Embedded C
11 2 (4.17%) Pig Latin
11 2 (4.17%) PL/SQL
11 2 (4.17%) VBA
12 1 (2.08%) Objective-C
12 1 (2.08%) Rust
12 1 (2.08%) sed
12 1 (2.08%) Shell Script
Qualifications
1 4 (8.33%) Degree
2 2 (4.17%) Computer Science Degree
3 1 (2.08%) Security Cleared
System Software
1 2 (4.17%) Apache Flume
1 2 (4.17%) QEMU
Systems Management
1 11 (22.92%) Ansible
2 6 (12.50%) Nagios
2 6 (12.50%) Opscode Chef
2 6 (12.50%) Puppet
3 1 (2.08%) BladeLogic
Vendors
1 12 (25.00%) Red Hat
2 6 (12.50%) Infragistics
2 6 (12.50%) Splunk
3 2 (4.17%) MuleSoft
3 2 (4.17%) Oracle
3 2 (4.17%) Teradata
4 1 (2.08%) AppDynamics
4 1 (2.08%) Dynatrace