The following table provides summary statistics for contract job vacancies advertised in Canary Wharf with a requirement for JavaScript skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited JavaScript over the 3 months to 28 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.

JavaScript (including ECMAScript)
London / Canary Wharf
3 months to
28 Mar 2017
Same period 2016 Same period 2015
Rank 15 20 20
Rank change year-on-year +5 0  
Contract jobs citing JavaScript 11 4 5
As % of all contract IT jobs advertised in Canary Wharf 8.33% 3.31% 4.27%
As % of the Programming Languages category 17.19% 7.84% 11.90%
Number of daily rates quoted 8 4 2
Median daily rate £438 £388 £428
Median daily rate % change year-on-year +12.90% -9.35%  
90% offered a daily rate of more than £341 £358 £370
10% offered a daily rate of more than £583 £453 £486
UK excluding London median daily rate £375 £350 £350
% change year-on-year +7.14% -  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £42.50 £38.00 £33.75
% change year-on-year +11.84% +12.59%  

JavaScript is in the programming language skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Canary Wharf with a requirement for programming language skills.

Contract Programming Language Skills
Canary Wharf
Contract job vacancies with a requirement for programming language skills 64 51 42
As % of all contract IT job vacancies advertised in Canary Wharf 48.48% 42.15% 35.90%
Number of daily rates quoted 49 41 29
Median daily rate £550 £480 £510
Median daily rate % change year-on-year +14.58% -5.88%  
90% offered a daily rate of more than £388 £361 £371
10% offered a daily rate of more than £650 £701 £650
UK excluding London median daily rate £388 £375 £350
% change year-on-year +3.33% +7.14%  
Number of hourly rates quoted 0 1 0
Median hourly rate - £26.00 -
UK excluding London median hourly rate £41.50 £40.00 £36.00
% change year-on-year +3.75% +11.11%  

JavaScript
Job Vacancy Trend in Canary Wharf

The job posting trend of jobs advertised in Canary Wharf citing JavaScript as a proportion of all contract or permanent IT jobs with a match in the Programming Languages category.

Job vacancy trend for JavaScript in Canary Wharf

JavaScript
Contractor Daily Rate Trend in Canary Wharf

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

Contractor daily rate trend for JavaScript in Canary Wharf

JavaScript
Contractor Daily Rate Histogram in Canary Wharf

The daily rate distribution of IT jobs citing JavaScript in Canary Wharf over the 3 months to 28 March 2017.

Contractor daily rate histogram for JavaScript in Canary Wharf

JavaScript
Contractor Hourly Rate Trend in Canary Wharf

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

Contractor hourly rate trend for JavaScript in Canary Wharf

For the 6 months to 28 March 2017, IT contractor jobs citing JavaScript 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 Canary Wharf region with a requirement for JavaScript.

1 23 (76.67%) HTML
2 22 (73.33%) Agile Software Development
3 20 (66.67%) Finance
4 17 (56.67%) CSS
5 16 (53.33%) AngularJS
6 15 (50.00%) Java
7 14 (46.67%) Computer Science
8 11 (36.67%) HTML5
8 11 (36.67%) Scrum
8 11 (36.67%) Degree
9 10 (33.33%) Banking
9 10 (33.33%) SQL
9 10 (33.33%) XML
10 9 (30.00%) REST
11 8 (26.67%) Apple iOS
11 8 (26.67%) CSS3
11 8 (26.67%) Android
11 8 (26.67%) DevOps
11 8 (26.67%) Oracle
12 7 (23.33%) .NET
12 7 (23.33%) Spring
12 7 (23.33%) Android Development
12 7 (23.33%) iOS Development
12 7 (23.33%) Front End Development
12 7 (23.33%) Open Source
13 6 (20.00%) Node.js
13 6 (20.00%) Twitter Bootstrap
13 6 (20.00%) JSON
13 6 (20.00%) SOAP
14 5 (16.67%) Linux

JavaScript
Co-occurring IT Skills in Canary Wharf 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 3 (10.00%) Confluence
1 3 (10.00%) JBoss
1 3 (10.00%) Oracle SOA Suite
2 2 (6.67%) Apache
2 2 (6.67%) IIS
3 1 (3.33%) Adobe Experience Manager
3 1 (3.33%) Apache Spark
3 1 (3.33%) CMS
3 1 (3.33%) DataSynapse
3 1 (3.33%) Drupal
3 1 (3.33%) Liferay
3 1 (3.33%) LiveCycle
3 1 (3.33%) Oracle Coherence
3 1 (3.33%) Oracle HTTP Server
3 1 (3.33%) Oracle Workflow
3 1 (3.33%) Tomcat
3 1 (3.33%) WebSphere
3 1 (3.33%) WordPress
Applications
1 2 (6.67%) Adobe Illustrator
1 2 (6.67%) MS Visio
1 2 (6.67%) Photoshop
2 1 (3.33%) MS Excel
Business Applications
1 3 (10.00%) SAP Oil and Gas
2 2 (6.67%) Remedy ITSM
Cloud Services
1 3 (10.00%) PaaS
2 2 (6.67%) SaaS
3 1 (3.33%) Amazon AWS
3 1 (3.33%) AWS Lambda
Communications & Networking
1 2 (6.67%) LDAP
2 1 (3.33%) FCoE
2 1 (3.33%) Fibre Channel
2 1 (3.33%) HTTP
2 1 (3.33%) Internet
2 1 (3.33%) iSCSI
2 1 (3.33%) LAN
2 1 (3.33%) Multicast
2 1 (3.33%) NAS
2 1 (3.33%) SAN
2 1 (3.33%) WAN
Database & Business Intelligence
1 4 (13.33%) Big Data
1 4 (13.33%) MongoDB
1 4 (13.33%) SQL Server
2 3 (10.00%) Apache Cassandra
2 3 (10.00%) Data Mining
2 3 (10.00%) NoSQL
3 2 (6.67%) Data Warehouse
3 2 (6.67%) MySQL
3 2 (6.67%) Oracle Database
4 1 (3.33%) Hadoop
4 1 (3.33%) HBase
4 1 (3.33%) Impala
4 1 (3.33%) KDB
4 1 (3.33%) PostgreSQL
4 1 (3.33%) Qlik Sense
4 1 (3.33%) SQL Server 2000
4 1 (3.33%) SQL Server 2008
Development Applications
1 4 (13.33%) JIRA
2 3 (10.00%) Grunt
2 3 (10.00%) Karma Test Runner
2 3 (10.00%) TeamCity
3 2 (6.67%) Git (software)
3 2 (6.67%) gulp
3 2 (6.67%) Jasmine
3 2 (6.67%) jspm
3 2 (6.67%) Selenium
3 2 (6.67%) SpecFlow
4 1 (3.33%) Bitbucket
4 1 (3.33%) Cucumber
4 1 (3.33%) Gradle
4 1 (3.33%) Jenkins
4 1 (3.33%) JUnit
4 1 (3.33%) Maven
4 1 (3.33%) Mockito
4 1 (3.33%) Spock
4 1 (3.33%) Subversion
General
1 20 (66.67%) Finance
2 10 (33.33%) Banking
3 4 (13.33%) Front Office
3 4 (13.33%) Investment Banking
Job Titles
1 23 (76.67%) Developer
2 7 (23.33%) HTML Developer
2 7 (23.33%) JavaScript Developer
3 6 (20.00%) Architect
3 6 (20.00%) Front End Developer (Client-Side Developer)
4 5 (16.67%) Java Developer
5 4 (13.33%) Agile Developer
5 4 (13.33%) C# Developer
6 3 (10.00%) Agile Java Developer
6 3 (10.00%) Hybris Developer
6 3 (10.00%) Java Architect
6 3 (10.00%) Platform Architect
7 2 (6.67%) .NET Developer
7 2 (6.67%) Angular Developer
7 2 (6.67%) ITSM Developer
7 2 (6.67%) Senior Developer
7 2 (6.67%) Software Architect
7 2 (6.67%) UX Developer
8 1 (3.33%) HTML CSS Developer
8 1 (3.33%) Senior Agile Developer
Libraries, Frameworks & Software Standards
1 23 (76.67%) HTML
2 17 (56.67%) CSS
3 16 (53.33%) AngularJS
4 11 (36.67%) HTML5
5 10 (33.33%) XML
6 9 (30.00%) REST
7 8 (26.67%) CSS3
8 7 (23.33%) .NET
8 7 (23.33%) Spring
9 6 (20.00%) JSON
9 6 (20.00%) Node.js
9 6 (20.00%) SOAP
9 6 (20.00%) Twitter Bootstrap
10 5 (16.67%) jQuery
11 4 (13.33%) PhoneGap
12 3 (10.00%) .NET Framework
12 3 (10.00%) ASP.NET
12 3 (10.00%) Web Services
13 2 (6.67%) COM+
13 2 (6.67%) J2EE
Miscellaneous
1 14 (46.67%) Computer Science
2 3 (10.00%) User Experience
3 2 (6.67%) CMDB
3 2 (6.67%) Data Structures
3 2 (6.67%) Foreign Exchange (FX)
4 1 (3.33%) Algorithms
4 1 (3.33%) Fat Client
4 1 (3.33%) Fixed Income
4 1 (3.33%) iPad
4 1 (3.33%) iPhone
4 1 (3.33%) Online Banking
4 1 (3.33%) Thin Client
Operating Systems
1 8 (26.67%) Android
1 8 (26.67%) Apple iOS
2 5 (16.67%) Linux
3 1 (3.33%) Solaris
3 1 (3.33%) Unix
3 1 (3.33%) Windows
Processes & Methodologies
1 22 (73.33%) Agile Software Development
2 11 (36.67%) Scrum
3 8 (26.67%) DevOps
4 7 (23.33%) Android Development
4 7 (23.33%) Front End Development
4 7 (23.33%) iOS Development
4 7 (23.33%) Open Source
5 5 (16.67%) Enterprise Architecture
5 5 (16.67%) OO
6 4 (13.33%) ITSM
6 4 (13.33%) Kanban
6 4 (13.33%) SDLC
7 3 (10.00%) Coaching
7 3 (10.00%) Data Modelling
7 3 (10.00%) E-Commerce
7 3 (10.00%) Mathematics
7 3 (10.00%) Multithreading
7 3 (10.00%) Stakeholder Management
7 3 (10.00%) Test Automation
7 3 (10.00%) Workflow
Programming Languages
1 15 (50.00%) Java
2 10 (33.33%) SQL
3 4 (13.33%) C#
4 3 (10.00%) Python
4 3 (10.00%) VB
5 2 (6.67%) Scala
6 1 (3.33%) C++
6 1 (3.33%) ECMAScript
6 1 (3.33%) Korn
6 1 (3.33%) PHP
6 1 (3.33%) PL/SQL
6 1 (3.33%) Shell Script
6 1 (3.33%) VB6
6 1 (3.33%) XPath
Qualifications
1 11 (36.67%) Degree
2 2 (6.67%) ISEB
3 1 (3.33%) ISTQB
3 1 (3.33%) Sun Certification
Quality Assurance & Compliance
1 3 (10.00%) QA
System Software
1 1 (3.33%) Active Directory
1 1 (3.33%) Docker
1 1 (3.33%) Hyper-V
1 1 (3.33%) KVM
1 1 (3.33%) NFS
1 1 (3.33%) Oracle RAC
1 1 (3.33%) SRDF
1 1 (3.33%) VMware Infrastructure
1 1 (3.33%) Xen
Vendors
1 8 (26.67%) Oracle
2 3 (10.00%) hybris
2 3 (10.00%) SAP
2 3 (10.00%) Sybase
3 2 (6.67%) Adobe
3 2 (6.67%) Atlassian
3 2 (6.67%) BMC
3 2 (6.67%) HP
3 2 (6.67%) IBM
3 2 (6.67%) Remedy
3 2 (6.67%) ServiceNow
3 2 (6.67%) Solace
4 1 (3.33%) AppDynamics
4 1 (3.33%) Cisco
4 1 (3.33%) EMC
4 1 (3.33%) Intel
4 1 (3.33%) NetApp
4 1 (3.33%) Sun
4 1 (3.33%) TIBCO
4 1 (3.33%) VMware