The following table provides summary statistics for contract job vacancies advertised in London with a requirement for Ext JS skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Ext JS over the 3 months to 29 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.

Sencha Ext JS
England / London
3 months to
29 Mar 2017
Same period 2016 Same period 2015
Rank 398 419 374
Rank change year-on-year +21 -45  
Contract jobs citing Ext JS 10 20 32
As % of all contract IT jobs advertised in London 0.051% 0.089% 0.15%
As % of the Libraries, Frameworks & Software Standards category 0.15% 0.28% 0.50%
Number of daily rates quoted 6 16 29
Median daily rate £375 £428 £450
Median daily rate % change year-on-year -12.28% -5.00%  
90% offered a daily rate of more than £350 £314 £356
10% offered a daily rate of more than £525 £513 £560
UK excluding London median daily rate £375 £233 £350
% change year-on-year +61.29% -33.57%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - £125.00

Ext JS is in the industry standards, technical specifications and software library and framework 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 industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
London
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 6798 7159 6427
As % of all contract IT job vacancies advertised in London 34.75% 31.90% 30.20%
Number of daily rates quoted 5065 5371 4647
Median daily rate £475 £450 £425
Median daily rate % change year-on-year +5.55% +5.88%  
90% offered a daily rate of more than £345 £325 £310
10% offered a daily rate of more than £613 £600 £575
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 49 28 27
Median hourly rate £47.50 £50.00 £27.37
Median hourly rate % change year-on-year -5.00% +82.68%  
90% offered a hourly rate of more than £17.01 £21.37 £20.00
10% offered a hourly rate of more than £100.00 £55.00 £55.00
UK excluding London median hourly rate £41.00 £38.00 £36.00
% change year-on-year +7.89% +5.55%  

Ext JS
Job Vacancy Trend in London

The job posting trend of jobs advertised in London citing Ext JS as a proportion of all contract or permanent IT jobs with a match in the Libraries, Frameworks & Software Standards category.

Job vacancy trend for Ext JS in London

Ext JS
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for Ext JS in London

Ext JS
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Ext JS in London over the 3 months to 29 March 2017.

Contractor daily rate histogram for Ext JS in London

Ext JS
Contractor Hourly Rate Trend in London

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

Contractor hourly rate trend for Ext JS in London

For the 6 months to 29 March 2017, IT contractor jobs citing Ext JS 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 Ext JS.

1 15 (71.43%) Java
1 15 (71.43%) Agile Software Development
2 13 (61.90%) JavaScript
3 12 (57.14%) CSS
3 12 (57.14%) HTML
4 11 (52.38%) jQuery
5 9 (42.86%) TDD
6 8 (38.10%) Ruby
7 7 (33.33%) Ruby on Rails
7 7 (33.33%) OO
7 7 (33.33%) Docker
7 7 (33.33%) Apigee
8 6 (28.57%) Adobe
8 6 (28.57%) Back Office
9 5 (23.81%) Scrum
9 5 (23.81%) Apache
9 5 (23.81%) Adobe Experience Manager
9 5 (23.81%) AngularJS
9 5 (23.81%) Software Engineering
9 5 (23.81%) RESTful
9 5 (23.81%) HTML5
9 5 (23.81%) OSGi
9 5 (23.81%) REST
9 5 (23.81%) CSS3
10 4 (19.05%) Jackrabbit
10 4 (19.05%) Git (software)
10 4 (19.05%) Apache Sling
10 4 (19.05%) Apache Felix
10 4 (19.05%) E-Commerce
10 4 (19.05%) Eclipse

Ext JS
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 5 (23.81%) Adobe Experience Manager
1 5 (23.81%) Apache
2 2 (9.52%) CMS
3 1 (4.76%) Elasticsearch
3 1 (4.76%) Tomcat
Applications
1 1 (4.76%) Adobe Illustrator
1 1 (4.76%) Photoshop
Cloud Services
1 1 (4.76%) GitHub
Communications & Networking
1 2 (9.52%) Internet
Database & Business Intelligence
1 4 (19.05%) Jackrabbit
2 3 (14.29%) PostgreSQL
3 2 (9.52%) MariaDB
3 2 (9.52%) MySQL
4 1 (4.76%) Apache Cassandra
4 1 (4.76%) MongoDB
4 1 (4.76%) NoSQL
4 1 (4.76%) Redis
4 1 (4.76%) Relational Database
Development Applications
1 4 (19.05%) Eclipse
1 4 (19.05%) Git (software)
1 4 (19.05%) Maven
2 1 (4.76%) Grunt
2 1 (4.76%) Jasmine
2 1 (4.76%) Karma Test Runner
General
1 6 (28.57%) Back Office
2 3 (14.29%) Finance
3 2 (9.52%) Banking
4 1 (4.76%) Financial Institution
4 1 (4.76%) Investment Banking
Job Titles
1 16 (76.19%) Developer
2 7 (33.33%) Ruby Developer
3 4 (19.05%) Architect
4 3 (14.29%) Full Stack Developer
4 3 (14.29%) Java Developer
5 2 (9.52%) Angular Developer
5 2 (9.52%) Front End Developer (Client-Side Developer)
6 1 (4.76%) Django Developer
6 1 (4.76%) HTML CSS Developer
6 1 (4.76%) HTML Developer
6 1 (4.76%) JavaScript Developer
6 1 (4.76%) MongoDB Developer
6 1 (4.76%) Node.js Developer
6 1 (4.76%) Senior Developer
6 1 (4.76%) Senior Full Stack Developer
6 1 (4.76%) Senior Java Developer
6 1 (4.76%) Software Engineer
Libraries, Frameworks & Software Standards
1 12 (57.14%) CSS
1 12 (57.14%) HTML
2 11 (52.38%) jQuery
3 7 (33.33%) Ruby on Rails
4 5 (23.81%) AngularJS
4 5 (23.81%) CSS3
4 5 (23.81%) HTML5
4 5 (23.81%) OSGi
4 5 (23.81%) REST
4 5 (23.81%) RESTful
5 4 (19.05%) Ajax
5 4 (19.05%) Apache Felix
5 4 (19.05%) Apache Sling
6 3 (14.29%) Backbone.js
6 3 (14.29%) Django
6 3 (14.29%) Dojo
6 3 (14.29%) Web Services
7 2 (9.52%) DOM
7 2 (9.52%) J2EE
7 2 (9.52%) XML
Miscellaneous
1 2 (9.52%) iPad
1 2 (9.52%) RIA
2 1 (4.76%) Analytical Skills
2 1 (4.76%) Computer Science
2 1 (4.76%) iPhone
2 1 (4.76%) Management Information System
2 1 (4.76%) User Experience
2 1 (4.76%) W3C
Operating Systems
1 2 (9.52%) CentOS
1 2 (9.52%) FreeBSD
1 2 (9.52%) Linux
1 2 (9.52%) Ubuntu
2 1 (4.76%) Unix
2 1 (4.76%) Windows
Processes & Methodologies
1 15 (71.43%) Agile Software Development
2 9 (42.86%) TDD
3 7 (33.33%) OO
4 5 (23.81%) Scrum
4 5 (23.81%) Software Engineering
5 4 (19.05%) E-Commerce
5 4 (19.05%) Migration
5 4 (19.05%) Refactoring
6 3 (14.29%) Front End Development
6 3 (14.29%) Open Source
7 2 (9.52%) Continuous Integration
7 2 (9.52%) OOP
8 1 (4.76%) Data Integration
8 1 (4.76%) Integration Testing
8 1 (4.76%) MVC
8 1 (4.76%) Product Management
8 1 (4.76%) Project Management
8 1 (4.76%) Unit Testing
8 1 (4.76%) User Acceptance Testing
8 1 (4.76%) Validation
Programming Languages
1 15 (71.43%) Java
2 13 (61.90%) JavaScript
3 8 (38.10%) Ruby
4 3 (14.29%) Python
5 2 (9.52%) PHP
5 2 (9.52%) SQL
6 1 (4.76%) PHP 5
6 1 (4.76%) Scala
Qualifications
1 1 (4.76%) Degree
System Software
1 7 (33.33%) Docker
Vendors
1 7 (33.33%) Apigee
2 6 (28.57%) Adobe
3 2 (9.52%) Oracle
4 1 (4.76%) Sencha
London
Networking People
Rate: £250 - £350 per day
Posted: 5 days ago