The following table provides summary statistics for contract job vacancies advertised in Docklands, London 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 22 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.

JavaScript (including ECMAScript)
London / Docklands, London
3 months to
22 Jun 2017
Same period 2016 Same period 2015
Rank 15 8 22
Rank change year-on-year -7 +14  
Contract jobs citing JavaScript 2 7 4
As % of all contract IT jobs advertised in Docklands, London 3.92% 11.67% 2.90%
As % of the Programming Languages category 9.09% 18.92% 7.69%
Number of daily rates quoted 2 3 3
Median daily rate £545 £520 £500
Median daily rate % change year-on-year +4.80% +4.00%  
90% offered a daily rate of more than £501 £477 £460
10% offered a daily rate of more than £589 £584 £620
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £43.39 £37.50 £35.00
% change year-on-year +15.70% +7.14%  

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 Docklands, London with a requirement for programming language skills.

Contract Programming Language Skills
Docklands, London
Contract job vacancies with a requirement for programming language skills 22 37 52
As % of all contract IT job vacancies advertised in Docklands, London 43.14% 61.67% 37.68%
Number of daily rates quoted 17 22 34
Median daily rate £575 £510 £475
Median daily rate % change year-on-year +12.74% +7.36%  
90% offered a daily rate of more than £471 £277 £275
10% offered a daily rate of more than £600 £650 £640
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 0 1 0
Median hourly rate - £45.00 -
UK excluding London median hourly rate £42.50 £37.00 £36.00
% change year-on-year +14.86% +2.77%  

JavaScript
Job Vacancy Trend in Docklands, London

The job posting trend of jobs advertised in Docklands, London 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 Docklands, London

JavaScript
Contractor Daily Rate Trend in Docklands, London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing JavaScript in Docklands, London.

Contractor daily rate trend for JavaScript in Docklands, London

JavaScript
Contractor Daily Rate Histogram in Docklands, London

The daily rate distribution of IT jobs citing JavaScript in Docklands, London over the 3 months to 22 June 2017.

Contractor daily rate histogram for JavaScript in Docklands, London

JavaScript
Contractor Hourly Rate Trend in Docklands, London

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

Contractor hourly rate trend for JavaScript in Docklands, London

For the 6 months to 22 June 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 Docklands, London region with a requirement for JavaScript.

1 7 (70.00%) HTML
2 5 (50.00%) CSS
2 5 (50.00%) JIRA
3 4 (40.00%) AngularJS
3 4 (40.00%) SOA
3 4 (40.00%) Java
3 4 (40.00%) Agile Software Development
4 3 (30.00%) Spring
4 3 (30.00%) Data Modelling
4 3 (30.00%) Web Services
4 3 (30.00%) XML
4 3 (30.00%) OO
4 3 (30.00%) LDAP
4 3 (30.00%) Confluence
4 3 (30.00%) Web Development
4 3 (30.00%) SDLC
4 3 (30.00%) Bitbucket
5 2 (20.00%) Microservices
5 2 (20.00%) React
5 2 (20.00%) HTML5
5 2 (20.00%) Integration Testing
5 2 (20.00%) Continuous Integration
5 2 (20.00%) Android
5 2 (20.00%) Content Management
5 2 (20.00%) Enterprise Architecture
5 2 (20.00%) Atlassian
5 2 (20.00%) Apple iOS
5 2 (20.00%) RESTful
5 2 (20.00%) REST
5 2 (20.00%) Oracle SOA Suite

JavaScript
Co-occurring IT Skills in Docklands, 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 3 (30.00%) Confluence
2 2 (20.00%) Oracle SOA Suite
3 1 (10.00%) Apache
3 1 (10.00%) CMS
3 1 (10.00%) Liferay
3 1 (10.00%) Oracle Workflow
3 1 (10.00%) SharePoint
3 1 (10.00%) SharePoint 2010
Applications
1 1 (10.00%) InfoPath
Business Applications
1 1 (10.00%) Oracle BPM
Cloud Services
1 1 (10.00%) GitHub
Communications & Networking
1 3 (30.00%) LDAP
2 1 (10.00%) Internet
2 1 (10.00%) Intranet
Database & Business Intelligence
1 1 (10.00%) Apache Cassandra
1 1 (10.00%) Data Lake
1 1 (10.00%) Data Warehouse
1 1 (10.00%) Hazelcast
1 1 (10.00%) Oracle Database
1 1 (10.00%) Spotfire
1 1 (10.00%) SQL Server
Development Applications
1 5 (50.00%) JIRA
2 3 (30.00%) Bitbucket
3 1 (10.00%) Cucumber
3 1 (10.00%) Jenkins
3 1 (10.00%) Selenium
3 1 (10.00%) Team Foundation Server
3 1 (10.00%) TeamCity
3 1 (10.00%) Visual Studio
3 1 (10.00%) WebDriver
General
1 2 (20.00%) Banking
1 2 (20.00%) Finance
1 2 (20.00%) Front Office
1 2 (20.00%) Investment Banking
1 2 (20.00%) Pharmaceutical
Job Titles
1 6 (60.00%) Developer
2 3 (30.00%) Architect
2 3 (30.00%) Java Architect
2 3 (30.00%) Java Software Architect
2 3 (30.00%) Software Architect
3 2 (20.00%) SOA Architect
4 1 (10.00%) .NET Developer
4 1 (10.00%) Analyst
4 1 (10.00%) Analyst Developer
4 1 (10.00%) C# Developer
4 1 (10.00%) Chief Software Architect
4 1 (10.00%) Database Architect
4 1 (10.00%) Front End Developer (Client-Side Developer)
4 1 (10.00%) J2EE Architect
4 1 (10.00%) Java Developer
4 1 (10.00%) Java/J2EE Architect
4 1 (10.00%) Oracle Architect
4 1 (10.00%) Oracle SOA Architect
4 1 (10.00%) Scala Developer
4 1 (10.00%) Web Developer
Libraries, Frameworks & Software Standards
1 7 (70.00%) HTML
2 5 (50.00%) CSS
3 4 (40.00%) AngularJS
4 3 (30.00%) Spring
4 3 (30.00%) Web Services
4 3 (30.00%) XML
5 2 (20.00%) .NET
5 2 (20.00%) HTML5
5 2 (20.00%) React
5 2 (20.00%) REST
5 2 (20.00%) RESTful
6 1 (10.00%) .NET Framework
6 1 (10.00%) Backbone.js
6 1 (10.00%) CAML
6 1 (10.00%) JSON
6 1 (10.00%) Kafka
6 1 (10.00%) KnockoutJS
6 1 (10.00%) Node.js
6 1 (10.00%) spray
6 1 (10.00%) Spring Boot
Miscellaneous
1 2 (20.00%) Equities
1 2 (20.00%) Mobile App
2 1 (10.00%) Analytical Skills
2 1 (10.00%) Computer Science
2 1 (10.00%) Data Structures
2 1 (10.00%) Derivative
2 1 (10.00%) Equity Derivative
Operating Systems
1 2 (20.00%) Android
1 2 (20.00%) Apple iOS
Processes & Methodologies
1 4 (40.00%) Agile Software Development
1 4 (40.00%) SOA
2 3 (30.00%) Data Modelling
2 3 (30.00%) OO
2 3 (30.00%) SDLC
2 3 (30.00%) Web Development
3 2 (20.00%) Business Intelligence
3 2 (20.00%) Coaching
3 2 (20.00%) Content Management
3 2 (20.00%) Continuous Integration
3 2 (20.00%) DevOps
3 2 (20.00%) Enterprise Architecture
3 2 (20.00%) Integration Testing
3 2 (20.00%) Logical Data Model
3 2 (20.00%) Microservices
3 2 (20.00%) OOA/OOD
3 2 (20.00%) Physical Data Model
3 2 (20.00%) Risk Management
3 2 (20.00%) TDD
3 2 (20.00%) Workflow
Programming Languages
1 4 (40.00%) Java
2 2 (20.00%) C#
2 2 (20.00%) PL/SQL
2 2 (20.00%) Python
2 2 (20.00%) SQL
3 1 (10.00%) ANSI SQL
3 1 (10.00%) C++
3 1 (10.00%) PowerShell
3 1 (10.00%) Scala
3 1 (10.00%) Shell Script
3 1 (10.00%) T-SQL
3 1 (10.00%) VB
Qualifications
1 1 (10.00%) ISEB
1 1 (10.00%) ISTQB
System Software
1 1 (10.00%) Active Directory
1 1 (10.00%) Docker
Systems Management
1 1 (10.00%) Kubernetes
Vendors
1 2 (20.00%) AppDynamics
1 2 (20.00%) Atlassian
1 2 (20.00%) Oracle
2 1 (10.00%) IBM
2 1 (10.00%) Microsoft
2 1 (10.00%) Nintex
2 1 (10.00%) Sybase
2 1 (10.00%) Tableau