The following table provides summary statistics for contract job vacancies advertised in Essex 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 30 April 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)
3 months to
30 Apr 2017
Same period 2016 Same period 2015
Rank 15 28 14
Rank change year-on-year +13 -14  
Contract jobs citing JavaScript 61 27 57
As % of all contract IT jobs advertised in Essex 15.37% 6.28% 10.84%
As % of the Programming Languages category 28.11% 17.53% 26.89%
Number of daily rates quoted 33 19 30
Median daily rate £275 £350 £375
Median daily rate % change year-on-year -21.42% -6.66%  
90% offered a daily rate of more than £261 £273 £224
10% offered a daily rate of more than £450 £400 £450
UK excluding London median daily rate £375 £355 £340
% change year-on-year +5.63% +4.41%  
Number of hourly rates quoted 11 1 5
Median hourly rate £36.00 £27.50 £45.00
Median hourly rate % change year-on-year +30.90% -38.88%  
UK excluding London median hourly rate £42.50 £32.50 £37.50
% change year-on-year +30.76% -13.33%  

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 Essex with a requirement for programming language skills.

Contract Programming Language Skills
Essex
Contract job vacancies with a requirement for programming language skills 217 154 212
As % of all contract IT job vacancies advertised in Essex 54.66% 35.81% 40.30%
Number of daily rates quoted 149 75 113
Median daily rate £443 £350 £353
Median daily rate % change year-on-year +26.42% -0.70%  
90% offered a daily rate of more than £265 £240 £213
10% offered a daily rate of more than £550 £425 £450
UK excluding London median daily rate £390 £375 £350
% change year-on-year +4.00% +7.14%  
Number of hourly rates quoted 12 12 25
Median hourly rate £36.00 £35.50 £42.50
Median hourly rate % change year-on-year +1.40% -16.47%  
90% offered a hourly rate of more than £31.00 £27.50 £32.27
10% offered a hourly rate of more than £62.50 £45.80 £45.00
UK excluding London median hourly rate £42.50 £38.00 £36.00
% change year-on-year +11.84% +5.55%  

JavaScript
Job Vacancy Trend in Essex

The job posting trend of jobs advertised in Essex 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 Essex

JavaScript
Contractor Daily Rate Trend in Essex

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

Contractor daily rate trend for JavaScript in Essex

JavaScript
Contractor Daily Rate Histogram in Essex

The daily rate distribution of IT jobs citing JavaScript in Essex over the 3 months to 30 April 2017.

Contractor daily rate histogram for JavaScript in Essex

JavaScript
Contractor Hourly Rate Trend in Essex

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

Contractor hourly rate trend for JavaScript in Essex

JavaScript
Contractor Hourly Rate Histogram in Essex

The hourly rate distribution of IT jobs citing JavaScript in Essex over the 3 months to 30 April 2017.

Contractor hourly rate histogram for JavaScript in Essex

JavaScript
Contract Job Locations in Essex

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JavaScript within the Essex region over the 3 months to 30 April 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Brentwood - 11 £284 - 1
Basildon +11 6 £275 +14.58%
Southend-on-Sea - 5 £488 -
Colchester - 3 - - 2
Saffron Walden - 2 - - 2
JavaScript
East of England

For the 6 months to 30 April 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 Essex region with a requirement for JavaScript.

1 81 (78.64%) HTML
2 75 (72.82%) Java
2 75 (72.82%) XML
3 55 (53.40%) TDD
4 50 (48.54%) CSS
4 50 (48.54%) JSON
5 44 (42.72%) SQL
5 44 (42.72%) MVC
6 42 (40.78%) Unix
7 40 (38.83%) Continuous Integration
7 40 (38.83%) Jenkins
8 37 (35.92%) JUnit
8 37 (35.92%) Pair Programming
9 35 (33.98%) Oracle
10 29 (28.16%) CRM
10 29 (28.16%) RESTful
10 29 (28.16%) Core Data
11 28 (27.18%) Push Notifications
11 28 (27.18%) Core Animation
11 28 (27.18%) Animation
11 28 (27.18%) GitHub
11 28 (27.18%) Mobile App
11 28 (27.18%) OOD
11 28 (27.18%) OOA/OOD
12 27 (26.21%) Adobe
13 26 (25.24%) B2C
13 26 (25.24%) Web Services
13 26 (25.24%) Agile Software Development
14 24 (23.30%) PHP
15 21 (20.39%) Adobe Campaign

JavaScript
Co-occurring IT Skills in Essex 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 12 (11.65%) WebSphere
2 8 (7.77%) CMS
2 8 (7.77%) WebLogic
3 6 (5.83%) BizTalk Server
3 6 (5.83%) SharePoint
3 6 (5.83%) Skype for Business
4 5 (4.85%) JBoss
5 4 (3.88%) Adobe Experience Manager
6 3 (2.91%) Confluence
6 3 (2.91%) WebSphere Application Server
7 2 (1.94%) Oracle SOA Suite
8 1 (0.97%) Apache Solr
8 1 (0.97%) Elasticsearch
8 1 (0.97%) Umbraco
Applications
1 2 (1.94%) Adobe Illustrator
1 2 (1.94%) Photoshop
1 2 (1.94%) UXPin
2 1 (0.97%) Adobe Creative Suite
2 1 (0.97%) InDesign
2 1 (0.97%) Microsoft Excel
2 1 (0.97%) Microsoft Office
2 1 (0.97%) Microsoft PowerPoint
2 1 (0.97%) Microsoft Project
Business Applications
1 21 (20.39%) Adobe Campaign
2 19 (18.45%) Unica
3 13 (12.62%) Dynamics CRM
4 2 (1.94%) Oracle BPM
Cloud Services
1 28 (27.18%) GitHub
2 11 (10.68%) Adobe Analytics
3 7 (6.80%) Microsoft Azure
4 6 (5.83%) Office 365
4 6 (5.83%) Yammer
5 5 (4.85%) Google Analytics
6 4 (3.88%) Oracle CX
6 4 (3.88%) PaaS
6 4 (3.88%) SaaS
7 1 (0.97%) Amazon AWS
Communications & Networking
1 5 (4.85%) LDAP
2 3 (2.91%) HTTP
Database & Business Intelligence
1 15 (14.56%) BusinessObjects
2 12 (11.65%) Hadoop
2 12 (11.65%) Relational Database
2 12 (11.65%) SQL Server
3 6 (5.83%) MySQL
4 5 (4.85%) MariaDB
5 3 (2.91%) NoSQL
5 3 (2.91%) Oracle Database
5 3 (2.91%) Oracle Database 10g
5 3 (2.91%) Oracle Database 11g
5 3 (2.91%) Oracle Database 12c
6 1 (0.97%) Apache Cassandra
6 1 (0.97%) CouchDB
6 1 (0.97%) Data Warehouse
6 1 (0.97%) DataStage
6 1 (0.97%) HBase
6 1 (0.97%) MongoDB
6 1 (0.97%) Neo4j
6 1 (0.97%) Redis
6 1 (0.97%) Riak
Development Applications
1 40 (38.83%) Jenkins
2 37 (35.92%) JUnit
3 20 (19.42%) Gradle
4 17 (16.50%) Calabash
5 12 (11.65%) Xcode
6 11 (10.68%) Ant
7 10 (9.71%) Git (software)
8 8 (7.77%) Maven
9 5 (4.85%) Android Studio
9 5 (4.85%) Mockito
9 5 (4.85%) Subversion
10 3 (2.91%) Eclipse
10 3 (2.91%) JIRA
11 2 (1.94%) AccuRev
11 2 (1.94%) Cucumber
11 2 (1.94%) Selenium
11 2 (1.94%) SoapUI
12 1 (0.97%) Axure RP
12 1 (0.97%) gulp
12 1 (0.97%) webpack
General
1 15 (14.56%) Automotive
2 13 (12.62%) Manufacturing
3 7 (6.80%) Retail
4 6 (5.83%) Marketing
5 2 (1.94%) Legal
6 1 (0.97%) Finance
6 1 (0.97%) Multimedia
Job Titles
1 95 (92.23%) Developer
2 34 (33.01%) Java Developer
3 18 (17.48%) Android Developer
4 17 (16.50%) CRM Developer
5 12 (11.65%) iOS Developer
6 6 (5.83%) JavaScript Developer
6 6 (5.83%) Senior Developer
7 4 (3.88%) .NET Developer
7 4 (3.88%) ASP.NET Developer
7 4 (3.88%) Consultant
7 4 (3.88%) CRM Consultant
7 4 (3.88%) Full Stack Developer
7 4 (3.88%) HTML CSS Developer
7 4 (3.88%) HTML Developer
7 4 (3.88%) PHP Developer
7 4 (3.88%) Senior Java Developer
8 3 (2.91%) Angular Developer
8 3 (2.91%) C# Developer
8 3 (2.91%) Front End Developer (Client-Side Developer)
8 3 (2.91%) XML Developer
Libraries, Frameworks & Software Standards
1 81 (78.64%) HTML
2 75 (72.82%) XML
3 50 (48.54%) CSS
3 50 (48.54%) JSON
4 29 (28.16%) Core Data
4 29 (28.16%) RESTful
5 28 (27.18%) Core Animation
6 26 (25.24%) Web Services
7 18 (17.48%) Ajax
7 18 (17.48%) Android SDK
8 16 (15.53%) HTML5
8 16 (15.53%) XHTML
9 15 (14.56%) Spring
10 14 (13.59%) J2EE
11 13 (12.62%) AngularJS
12 12 (11.65%) JSP
12 12 (11.65%) Sass
13 11 (10.68%) .NET
13 11 (10.68%) Cocoa
13 11 (10.68%) iOS SDK
Miscellaneous
1 28 (27.18%) Animation
1 28 (27.18%) Mobile App
2 12 (11.65%) iPhone
3 5 (4.85%) Enterprise Software
3 5 (4.85%) Virtual Team
3 5 (4.85%) Web 2.0
4 4 (3.88%) Analytical Skills
5 2 (1.94%) Clustering
5 2 (1.94%) Replication
6 1 (0.97%) Greenfield Project
6 1 (0.97%) IBM Mainframe
6 1 (0.97%) Mainframe
6 1 (0.97%) RIA
6 1 (0.97%) User Experience
Operating Systems
1 42 (40.78%) Unix
2 19 (18.45%) Android
3 17 (16.50%) Linux
4 13 (12.62%) Apple iOS
5 11 (10.68%) Windows
6 6 (5.83%) Mac OS X
6 6 (5.83%) Solaris
Processes & Methodologies
1 55 (53.40%) TDD
2 44 (42.72%) MVC
3 40 (38.83%) Continuous Integration
4 37 (35.92%) Pair Programming
5 29 (28.16%) CRM
6 28 (27.18%) OOA/OOD
6 28 (27.18%) OOD
6 28 (27.18%) Push Notifications
7 26 (25.24%) Agile Software Development
7 26 (25.24%) B2C
8 19 (18.45%) Android Development
9 18 (17.48%) Analytics
10 14 (13.59%) OO
11 13 (12.62%) iOS Development
11 13 (12.62%) SOA
12 12 (11.65%) Web Development
13 9 (8.74%) RAD
14 7 (6.80%) Mentoring
15 6 (5.83%) Responsive Web Design
15 6 (5.83%) Unit Testing
Programming Languages
1 75 (72.82%) Java
2 44 (42.72%) SQL
3 24 (23.30%) PHP
4 12 (11.65%) Apple Swift
4 12 (11.65%) C++
5 11 (10.68%) C#
5 11 (10.68%) Objective-C
6 9 (8.74%) PL/SQL
7 2 (1.94%) Perl
7 2 (1.94%) Python
8 1 (0.97%) ES6
8 1 (0.97%) Shell Script
8 1 (0.97%) TypeScript
Qualifications
1 6 (5.83%) Degree
2 1 (0.97%) BPSS Clearance
2 1 (0.97%) Security Cleared
System Software
1 2 (1.94%) Active Directory
2 1 (0.97%) Time Sharing Option
Vendors
1 35 (33.98%) Oracle
2 27 (26.21%) Adobe
3 12 (11.65%) IBM
4 10 (9.71%) Google
4 10 (9.71%) Salesforce.com
5 9 (8.74%) Microsoft
6 6 (5.83%) Infor
6 6 (5.83%) SAP
7 5 (4.85%) Omniture
8 3 (2.91%) FatWire
8 3 (2.91%) Mapbox
9 1 (0.97%) Teradata
Saffron Walden, Essex
The Wellcome Trust Sanger Institute
Posted: 24 days ago