Period
to 23 April 2018

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 6 months to 23 April 2018 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)
6 months to
23 Apr 2018
Same period 2017 Same period 2016
Rank 53 14 39
Rank change year-on-year -39 +25 -24
Contract jobs citing JavaScript 40 107 43
As % of all contract IT jobs advertised in Essex 5.67% 12.99% 4.54%
As % of the Programming Languages category 12.01% 28.01% 12.11%
Number of daily rates quoted 29 62 36
Essex median daily rate £475 £275 £363
Median daily rate % change year-on-year +72.73% -24.14% -3.33%
10th Percentile £423 £255 £251
90th Percentile £563 £475 £450
East of England median daily rate £413 £363 £360
% change year-on-year +13.79% +0.69% +10.77%
Number of hourly rates quoted 5 19 1
Essex median hourly rate £45.00 £36.00 £12.00
Median hourly rate % change year-on-year +25.00% +200.00% -73.33%
East of England median hourly rate £35.50 £36.00 £42.50
% change year-on-year -1.39% -15.29% +4.68%

JavaScript is in the Programming Languages category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Essex with a requirement for coding skills.

All Programming Languages
Essex
Contract vacancies with a requirement for coding skills 333 382 355
As % of all contract IT jobs advertised in Essex 47.23% 46.36% 37.45%
Number of daily rates quoted 225 257 218
Essex median daily rate £513 £400 £350
Median daily rate % change year-on-year +28.13% +14.29% -7.89%
10th Percentile £364 £263 £225
90th Percentile £625 £575 £500
East of England median daily rate £425 £388 £375
% change year-on-year +9.68% +3.33% -
Number of hourly rates quoted 14 38 28
Essex median hourly rate £40.00 £36.00 £40.00
Median hourly rate % change year-on-year +11.11% -10.00% -
10th Percentile £32.45 £30.25 £33.36
90th Percentile £68.25 £46.00 £48.75
East of England median hourly rate £40.00 £41.00 £42.00
% change year-on-year -2.44% -2.38% +7.69%

JavaScript
Job Vacancy Trend in Essex

Job postings citing JavaScript as a percentage of all IT jobs advertised in Essex.

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 6 months to 23 April 2018.

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 6 months to 23 April 2018.

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 6 months to 23 April 2018. 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
Brentwood +1 11 £475 +67.33% 4
Basildon +4 8 £475 +82.69% 10
Saffron Walden +3 1 - - 4
JavaScript
East of England

For the 6 months to 23 April 2018, IT contractor jobs citing JavaScript also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Essex region with a requirement for JavaScript.

1 35 (87.50%) Java
2 29 (72.50%) TDD
3 27 (67.50%) Agile Software Development
3 27 (67.50%) Jenkins
4 22 (55.00%) Spring
5 20 (50.00%) Pair Programming
5 20 (50.00%) Continuous Integration
5 20 (50.00%) HTML
5 20 (50.00%) Gradle
6 19 (47.50%) AngularJS
7 18 (45.00%) Maven
8 17 (42.50%) SQL
8 17 (42.50%) JUnit
8 17 (42.50%) XML
9 14 (35.00%) Web Services
9 14 (35.00%) WebSphere
9 14 (35.00%) Spring Boot
10 13 (32.50%) RESTful
10 13 (32.50%) CSS
11 12 (30.00%) IBM
11 12 (30.00%) JSON
12 11 (27.50%) Ajax
12 11 (27.50%) MVC
12 11 (27.50%) OO
13 10 (25.00%) SQL Server
13 10 (25.00%) J2EE
13 10 (25.00%) Git (software)
14 9 (22.50%) Calabash
14 9 (22.50%) REST
14 9 (22.50%) OOA/OOD

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 14 (35.00%) WebSphere
2 5 (12.50%) Cloud Foundry
3 4 (10.00%) Adobe Experience Manager
3 4 (10.00%) Apache
3 4 (10.00%) CMS
3 4 (10.00%) JBoss
4 2 (5.00%) WebSphere Application Server
5 1 (2.50%) SharePoint
5 1 (2.50%) WebLogic
Business Applications
1 1 (2.50%) IBM Operational Decision Manager
1 1 (2.50%) Shopify
Cloud Services
1 8 (20.00%) GitHub
2 4 (10.00%) Microsoft Azure
3 1 (2.50%) Google Analytics
Database & Business Intelligence
1 10 (25.00%) SQL Server
2 7 (17.50%) Relational Database
3 6 (15.00%) NoSQL
4 5 (12.50%) RDBMS
5 4 (10.00%) Geospatial Data
5 4 (10.00%) GIS
5 4 (10.00%) JasperReports
6 1 (2.50%) MySQL
6 1 (2.50%) WebFOCUS
Development Applications
1 27 (67.50%) Jenkins
2 20 (50.00%) Gradle
3 18 (45.00%) Maven
4 17 (42.50%) JUnit
5 10 (25.00%) Git (software)
6 9 (22.50%) Calabash
7 8 (20.00%) Ant
8 5 (12.50%) Cucumber
8 5 (12.50%) Hudson
8 5 (12.50%) JIRA
9 4 (10.00%) ClearQuest
9 4 (10.00%) CruiseControl
9 4 (10.00%) Eclipse
9 4 (10.00%) FishEye
9 4 (10.00%) Selenium
9 4 (10.00%) SoapUI
9 4 (10.00%) TeamCity
10 3 (7.50%) AccuRev
11 2 (5.00%) JMeter
11 2 (5.00%) Subversion
General
1 9 (22.50%) Manufacturing
2 4 (10.00%) Automotive
3 3 (7.50%) Marketing
3 3 (7.50%) Publishing
4 1 (2.50%) Back Office
4 1 (2.50%) Finance
4 1 (2.50%) Legal
Job Titles
1 31 (77.50%) Developer
2 18 (45.00%) Java Developer
3 8 (20.00%) Agile Developer
3 8 (20.00%) Android Developer
4 7 (17.50%) Agile Java Developer
5 6 (15.00%) Senior Developer
6 5 (12.50%) J2EE Developer
7 4 (10.00%) Angular Developer
7 4 (10.00%) Java/J2EE Developer
7 4 (10.00%) SC Cleared Software Engineer
7 4 (10.00%) Senior Java Developer
7 4 (10.00%) Senior Software Engineer
7 4 (10.00%) Software Engineer
8 2 (5.00%) Cloud Developer
8 2 (5.00%) Integration Developer
8 2 (5.00%) Website Developer
9 1 (2.50%) Automation Test Analyst
9 1 (2.50%) Graduate Developer
9 1 (2.50%) Graduate Java Developer
9 1 (2.50%) Integration Consultant
Libraries, Frameworks & Software Standards
1 22 (55.00%) Spring
2 20 (50.00%) HTML
3 19 (47.50%) AngularJS
4 17 (42.50%) XML
5 14 (35.00%) Spring Boot
5 14 (35.00%) Web Services
6 13 (32.50%) CSS
6 13 (32.50%) RESTful
7 12 (30.00%) JSON
8 11 (27.50%) Ajax
9 10 (25.00%) J2EE
10 9 (22.50%) REST
11 8 (20.00%) Android SDK
11 8 (20.00%) Core Animation
11 8 (20.00%) Core Data
12 6 (15.00%) SOAP
12 6 (15.00%) XHTML
13 5 (12.50%) Apache Flex
13 5 (12.50%) Middleware
13 5 (12.50%) Struts
Miscellaneous
1 8 (20.00%) Animation
2 6 (15.00%) Mobile App
3 4 (10.00%) Foreign Exchange (FX)
4 2 (5.00%) Analytical Skills
4 2 (5.00%) Clustering
4 2 (5.00%) Computer Science
4 2 (5.00%) Replication
4 2 (5.00%) Virtual Team
5 1 (2.50%) Web 2.0
Operating Systems
1 8 (20.00%) Android
2 3 (7.50%) Linux
2 3 (7.50%) Unix
3 2 (5.00%) Solaris
3 2 (5.00%) Windows
Processes & Methodologies
1 29 (72.50%) TDD
2 27 (67.50%) Agile Software Development
3 20 (50.00%) Continuous Integration
3 20 (50.00%) Pair Programming
4 11 (27.50%) MVC
4 11 (27.50%) OO
5 9 (22.50%) OOA/OOD
6 8 (20.00%) Android Development
6 8 (20.00%) OOD
6 8 (20.00%) Push Notifications
6 8 (20.00%) Software Engineering
7 7 (17.50%) Problem-Solving
8 5 (12.50%) DevOps
8 5 (12.50%) Scrum
8 5 (12.50%) UML
8 5 (12.50%) Unit Testing
9 4 (10.00%) BDD
9 4 (10.00%) Open Source
9 4 (10.00%) Test Management
9 4 (10.00%) User Stories
Programming Languages
1 35 (87.50%) Java
2 17 (42.50%) SQL
3 7 (17.50%) Bash Shell
4 4 (10.00%) C
5 2 (5.00%) PL/SQL
6 1 (2.50%) Go
6 1 (2.50%) Java 8
6 1 (2.50%) PHP
6 1 (2.50%) Ruby
Qualifications
1 4 (10.00%) SC Cleared
1 4 (10.00%) Security Cleared
2 2 (5.00%) Degree
3 1 (2.50%) Computer Science Degree
Quality Assurance & Compliance
1 1 (2.50%) QA
System Software
1 6 (15.00%) Active Directory
Systems Management
1 2 (5.00%) HP Quality Center
2 1 (2.50%) HP ALM
Vendors
1 12 (30.00%) IBM
2 9 (22.50%) Adobe
3 5 (12.50%) Google
4 4 (10.00%) Atlassian
4 4 (10.00%) Oracle
5 2 (5.00%) CA Agile Central
5 2 (5.00%) HP
5 2 (5.00%) Microsoft
6 1 (2.50%) CA
6 1 (2.50%) Omniture