Period
to 21 November 2017

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 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.

Sencha Ext JS
England > London
6 months to
21 Nov 2017
Same period 2016 Same period 2015
Rank 588 584 498
Rank change year-on-year -4 -86 +60
Contract jobs citing Ext JS 46 31 112
As % of all contract IT jobs advertised in London 0.098% 0.069% 0.24%
As % of the Libraries, Frameworks & Software Standards category 0.26% 0.20% 0.75%
Number of daily rates quoted 31 25 87
London median daily rate £500 £450 £500
Median daily rate % change year-on-year +11.11% -10.00% +11.11%
10th Percentile £463 £356 £344
90th Percentile £675 £578 £660
England median daily rate £470 £450 £500
% change year-on-year +4.44% -10.00% +11.11%
Number of hourly rates quoted 0 0 0
London median hourly rate - - -
England median hourly rate - - -

Ext JS is in the Software Libraries and Frameworks 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 technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
London
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 17463 15419 15021
As % of all contract IT jobs advertised in London 37.10% 34.32% 32.27%
Number of daily rates quoted 13339 11542 11183
London median daily rate £500 £465 £450
Median daily rate % change year-on-year +7.53% +3.33% +5.88%
10th Percentile £350 £319 £308
90th Percentile £650 £625 £625
England median daily rate £463 £425 £413
% change year-on-year +8.82% +3.03% +3.13%
Number of hourly rates quoted 103 72 92
London median hourly rate £30.75 £40.00 £35.75
Median hourly rate % change year-on-year -23.13% +11.89% +2.14%
10th Percentile £19.09 £19.23 £14.25
90th Percentile £49.75 £57.44 £58.75
England median hourly rate £40.00 £37.50 £37.50
% change year-on-year +6.67% - +10.29%

Ext JS
Job Vacancy Trend in London

Job postings citing Ext JS as a percentage of all IT jobs advertised in London.

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 6 months to 21 November 2017.

Contractor daily rate histogram for Ext JS in London

Ext JS
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 Ext JS 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 +6 4 £475 +11.11% 2
West London - 3 - -
East London - 2 £513 -
Ext JS
England

For the 6 months to 21 November 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 36 (78.26%) JavaScript
2 26 (56.52%) HTML
3 24 (52.17%) HTML5
4 20 (43.48%) Java
5 19 (41.30%) CSS
6 18 (39.13%) OO
7 17 (36.96%) Agile Software Development
8 14 (30.43%) Test Automation
8 14 (30.43%) jQuery
8 14 (30.43%) React
9 13 (28.26%) SQL
10 12 (26.09%) JSON
10 12 (26.09%) CSS3
11 11 (23.91%) AngularJS
11 11 (23.91%) Git (software)
11 11 (23.91%) SAP
12 10 (21.74%) RESTful
13 9 (19.57%) Continuous Integration
13 9 (19.57%) Web Services
13 9 (19.57%) TDD
13 9 (19.57%) Scrum
14 8 (17.39%) Banking
14 8 (17.39%) Sencha
14 8 (17.39%) Sass
14 8 (17.39%) TypeScript
14 8 (17.39%) Front End Development
15 7 (15.22%) Continuous Delivery
15 7 (15.22%) Node.js
15 7 (15.22%) QA
15 7 (15.22%) Spring

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 1 (2.17%) Adobe Experience Manager
1 1 (2.17%) JBoss
1 1 (2.17%) SAS
1 1 (2.17%) Tomcat
Applications
1 1 (2.17%) Photoshop
Business Applications
1 2 (4.35%) Magento
Cloud Services
1 2 (4.35%) Amazon AWS
1 2 (4.35%) Force.com
1 2 (4.35%) Heroku
1 2 (4.35%) npm
1 2 (4.35%) Serverless
2 1 (2.17%) SaaS
Communications & Networking
1 2 (4.35%) Ethernet
1 2 (4.35%) Unified Communications
1 2 (4.35%) VPLS
Database & Business Intelligence
1 5 (10.87%) OLAP
2 2 (4.35%) InterSystems Cache
2 2 (4.35%) MongoDB
2 2 (4.35%) NoSQL
3 1 (2.17%) Big Data
3 1 (2.17%) SQL Server
Development Applications
1 11 (23.91%) Git (software)
2 5 (10.87%) JIRA
3 4 (8.70%) Jenkins
3 4 (8.70%) webpack
4 3 (6.52%) Subversion
5 2 (4.35%) Babel
5 2 (4.35%) Bitbucket
5 2 (4.35%) Maven
5 2 (4.35%) TeamCity
6 1 (2.17%) Jasmine
General
1 8 (17.39%) Banking
2 5 (10.87%) Front Office
2 5 (10.87%) Investment Banking
3 4 (8.70%) Finance
3 4 (8.70%) Wholesale Banking
4 2 (4.35%) Back Office
4 2 (4.35%) Marketing
4 2 (4.35%) Telecoms
5 1 (2.17%) Retail
Job Titles
1 45 (97.83%) Developer
2 14 (30.43%) JavaScript Developer
3 8 (17.39%) Front End Developer (Client-Side Developer)
3 8 (17.39%) Full Stack Developer
4 6 (13.04%) SAP Developer
4 6 (13.04%) Senior Developer
4 6 (13.04%) Senior SAP Developer
5 5 (10.87%) HTML Developer
5 5 (10.87%) Java Developer
6 4 (8.70%) Angular Developer
7 2 (4.35%) Agile Developer
7 2 (4.35%) Agile Java Developer
7 2 (4.35%) Architect
7 2 (4.35%) Salesforce Architect
7 2 (4.35%) Salesforce Developer
7 2 (4.35%) SQL Developer
7 2 (4.35%) UI Developer
8 1 (2.17%) Lead Developer
8 1 (2.17%) Technical Specialist
8 1 (2.17%) Web Developer
Libraries, Frameworks & Software Standards
1 26 (56.52%) HTML
2 24 (52.17%) HTML5
3 19 (41.30%) CSS
4 14 (30.43%) jQuery
4 14 (30.43%) React
5 12 (26.09%) CSS3
5 12 (26.09%) JSON
6 11 (23.91%) AngularJS
7 10 (21.74%) RESTful
8 9 (19.57%) Web Services
9 8 (17.39%) Sass
10 7 (15.22%) J2EE
10 7 (15.22%) Node.js
10 7 (15.22%) SOAP
10 7 (15.22%) Spring
11 6 (13.04%) Ajax
11 6 (13.04%) Hibernate
11 6 (13.04%) Twitter Bootstrap
12 5 (10.87%) RequireJS
12 5 (10.87%) XML
Miscellaneous
1 5 (10.87%) Computer Science
1 5 (10.87%) Reference Data
2 3 (6.52%) User Experience
3 2 (4.35%) Data Centre
3 2 (4.35%) N-Tier
4 1 (2.17%) Equities
4 1 (2.17%) Foreign Exchange (FX)
Operating Systems
1 5 (10.87%) Linux
Processes & Methodologies
1 18 (39.13%) OO
2 17 (36.96%) Agile Software Development
3 14 (30.43%) Test Automation
4 9 (19.57%) Continuous Integration
4 9 (19.57%) Scrum
4 9 (19.57%) TDD
5 8 (17.39%) Front End Development
6 7 (15.22%) Continuous Delivery
7 6 (13.04%) Change Management
7 6 (13.04%) MVC
7 6 (13.04%) UML
8 5 (10.87%) Data Visualisation
8 5 (10.87%) Database Tuning
8 5 (10.87%) Investment Management
8 5 (10.87%) OOD
8 5 (10.87%) Performance Tuning
8 5 (10.87%) Unit Testing
8 5 (10.87%) User Acceptance Testing
8 5 (10.87%) Visualisation
9 4 (8.70%) Translating Business Requirements
Programming Languages
1 36 (78.26%) JavaScript
2 20 (43.48%) Java
3 13 (28.26%) SQL
4 8 (17.39%) TypeScript
5 5 (10.87%) C#
5 5 (10.87%) ES6
6 3 (6.52%) C
6 3 (6.52%) PL/SQL
7 2 (4.35%) Apex Code
7 2 (4.35%) Python
7 2 (4.35%) SOQL
7 2 (4.35%) SOSL
8 1 (2.17%) Perl
8 1 (2.17%) Prolog
8 1 (2.17%) Shell Script
Qualifications
1 5 (10.87%) Computer Science Degree
1 5 (10.87%) Degree
Quality Assurance & Compliance
1 7 (15.22%) QA
Vendors
1 11 (23.91%) SAP
2 8 (17.39%) Sencha
3 5 (10.87%) InterSystems
4 4 (8.70%) Salesforce.com
5 3 (6.52%) hybris
5 3 (6.52%) JDA
5 3 (6.52%) Oracle
6 2 (4.35%) ServiceNow
7 1 (2.17%) Adobe
7 1 (2.17%) GigaSpaces
7 1 (2.17%) Sybase