Period
to 22 January 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 22 January 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
22 Jan 2018
Same period 2017 Same period 2016
Rank 38 33 28
Rank change year-on-year -5 -5 -15
Contract jobs citing JavaScript 52 52 65
As % of all contract IT jobs advertised in Essex 7.75% 6.54% 5.83%
As % of the Programming Languages category 17.63% 18.25% 14.41%
Number of daily rates quoted 38 30 44
Essex median daily rate £425 £325 £375
Median daily rate % change year-on-year +30.77% -13.33% -
10th Percentile £302 £255 £263
90th Percentile £528 £441 £475
East of England median daily rate £375 £350 £360
% change year-on-year +7.14% -2.78% +2.86%
Number of hourly rates quoted 15 7 9
Essex median hourly rate £62.50 £32.50 £36.67
Median hourly rate % change year-on-year +92.31% -11.37% +8.73%
10th Percentile £38.70 £31.00 £31.47
90th Percentile £63.75 £36.00 £43.10
East of England median hourly rate £62.50 £32.50 £42.25
% change year-on-year +92.31% -23.08% +14.62%

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 295 285 451
As % of all contract IT jobs advertised in Essex 43.96% 35.85% 40.48%
Number of daily rates quoted 220 189 252
Essex median daily rate £513 £350 £375
Median daily rate % change year-on-year +46.43% -6.67% -9.09%
10th Percentile £325 £250 £235
90th Percentile £613 £541 £523
East of England median daily rate £418 £375 £375
% change year-on-year +11.33% - -
Number of hourly rates quoted 24 39 64
Essex median hourly rate £40.00 £37.50 £36.50
Median hourly rate % change year-on-year +6.67% +2.74% -5.19%
10th Percentile £26.13 £30.95 £26.00
90th Percentile £63.75 £46.00 £45.00
East of England median hourly rate £40.50 £42.00 £39.00
% change year-on-year -3.57% +7.69% +4.00%

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 22 January 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 22 January 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 22 January 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 +7 20 £425 - 4
Basildon +15 11 £450 +73.08% 5
Southend-on-Sea -10 4 £475 +45.04% 4
Colchester +2 1 £475 +35.71% 13
Witham -10 1 £325 -
Chelmsford - 1 £350 - 13
JavaScript
East of England

For the 6 months to 22 January 2018, 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 37 (71.15%) TDD
2 36 (69.23%) HTML
3 31 (59.62%) Java
4 29 (55.77%) Agile Software Development
5 28 (53.85%) XML
6 26 (50.00%) Continuous Integration
6 26 (50.00%) Jenkins
7 24 (46.15%) CSS
7 24 (46.15%) JUnit
8 22 (42.31%) RESTful
9 21 (40.38%) MVC
10 20 (38.46%) Spring
11 18 (34.62%) Pair Programming
12 17 (32.69%) SQL
12 17 (32.69%) OOA/OOD
12 17 (32.69%) AngularJS
13 15 (28.85%) Gradle
13 15 (28.85%) JSON
13 15 (28.85%) Web Services
14 13 (25.00%) Linux
14 13 (25.00%) Manufacturing
14 13 (25.00%) GitHub
14 13 (25.00%) REST
14 13 (25.00%) Push Notifications
15 12 (23.08%) Core Data
15 12 (23.08%) Spring Boot
15 12 (23.08%) Animation
15 12 (23.08%) Core Animation
15 12 (23.08%) Maven
15 12 (23.08%) 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 11 (21.15%) WebSphere
2 8 (15.38%) WebLogic
3 7 (13.46%) Cloud Foundry
4 5 (9.62%) SharePoint
5 4 (7.69%) Adobe Experience Manager
5 4 (7.69%) CMS
5 4 (7.69%) JBoss
6 3 (5.77%) WebSphere Application Server
7 1 (1.92%) Apache
7 1 (1.92%) Elasticsearch
Business Applications
1 1 (1.92%) Dynamics CRM
1 1 (1.92%) Shopify
Cloud Services
1 13 (25.00%) GitHub
2 9 (17.31%) Microsoft Azure
3 1 (1.92%) Amazon AWS
3 1 (1.92%) Google Analytics
3 1 (1.92%) Google Cloud Platform
3 1 (1.92%) npm
Communications & Networking
1 3 (5.77%) HTTP
2 2 (3.85%) 802.11
2 2 (3.85%) ADSL
2 2 (3.85%) Bluetooth
2 2 (3.85%) Broadband
2 2 (3.85%) IPv4
2 2 (3.85%) IPv6
2 2 (3.85%) NAS
2 2 (3.85%) UPnP
2 2 (3.85%) VDSL
2 2 (3.85%) WAN
2 2 (3.85%) Wireless
2 2 (3.85%) Wireshark
3 1 (1.92%) SMS
Database & Business Intelligence
1 10 (19.23%) Relational Database
1 10 (19.23%) SQL Server
2 8 (15.38%) NoSQL
3 6 (11.54%) RDBMS
4 4 (7.69%) MySQL
5 3 (5.77%) MariaDB
6 2 (3.85%) SQL Server Reporting Services
7 1 (1.92%) Geospatial Data
7 1 (1.92%) GIS
7 1 (1.92%) JasperReports
7 1 (1.92%) SQL Server 2005
7 1 (1.92%) SQL Server 2008
7 1 (1.92%) SQL Server 2012
7 1 (1.92%) SQLite
Development Applications
1 26 (50.00%) Jenkins
2 24 (46.15%) JUnit
3 15 (28.85%) Gradle
4 12 (23.08%) Maven
5 8 (15.38%) Ant
5 8 (15.38%) Calabash
5 8 (15.38%) Git (software)
5 8 (15.38%) JIRA
6 7 (13.46%) Android Studio
7 6 (11.54%) SoapUI
8 4 (7.69%) Grunt
8 4 (7.69%) Xcode
9 3 (5.77%) Eclipse
9 3 (5.77%) gulp
9 3 (5.77%) JMeter
9 3 (5.77%) Mockito
9 3 (5.77%) Selenium
10 2 (3.85%) Bugzilla
10 2 (3.85%) Redmine
10 2 (3.85%) Team Foundation Server
General
1 13 (25.00%) Manufacturing
2 7 (13.46%) Finance
2 7 (13.46%) Marketing
3 5 (9.62%) Automotive
4 2 (3.85%) Legal
4 2 (3.85%) Publishing
5 1 (1.92%) Back Office
Job Titles
1 47 (90.38%) Developer
2 20 (38.46%) Java Developer
3 9 (17.31%) Android Developer
4 7 (13.46%) Agile Developer
4 7 (13.46%) J2EE Developer
4 7 (13.46%) Senior Developer
5 6 (11.54%) Agile Java Developer
6 5 (9.62%) Angular Developer
6 5 (9.62%) iOS Developer
7 4 (7.69%) Applications Developer
7 4 (7.69%) Front End Developer (Client-Side Developer)
7 4 (7.69%) Integration Developer
7 4 (7.69%) Java/J2EE Developer
8 3 (5.77%) Cloud Developer
8 3 (5.77%) Senior J2EE Developer
9 2 (3.85%) Azure Developer
9 2 (3.85%) Java WebSphere Developer
9 2 (3.85%) Senior Java Developer
9 2 (3.85%) UI Developer
9 2 (3.85%) WebSphere Developer
Libraries, Frameworks & Software Standards
1 36 (69.23%) HTML
2 28 (53.85%) XML
3 24 (46.15%) CSS
4 22 (42.31%) RESTful
5 20 (38.46%) Spring
6 17 (32.69%) AngularJS
7 15 (28.85%) JSON
7 15 (28.85%) Web Services
8 13 (25.00%) REST
9 12 (23.08%) Core Animation
9 12 (23.08%) Core Data
9 12 (23.08%) Spring Boot
10 11 (21.15%) Ajax
10 11 (21.15%) J2EE
10 11 (21.15%) JPA
10 11 (21.15%) Struts
11 10 (19.23%) HTML5
11 10 (19.23%) SOAP
12 8 (15.38%) Android SDK
12 8 (15.38%) JAX-WS
Miscellaneous
1 12 (23.08%) Animation
2 6 (11.54%) Mobile App
3 4 (7.69%) iPhone
4 3 (5.77%) Computer Science
4 3 (5.77%) Enterprise Software
4 3 (5.77%) N-Tier
5 2 (3.85%) Management Information System
5 2 (3.85%) STB
6 1 (1.92%) Analytical Skills
6 1 (1.92%) Clustering
6 1 (1.92%) Foreign Exchange (FX)
6 1 (1.92%) Replication
6 1 (1.92%) User Experience
6 1 (1.92%) Web 2.0
Operating Systems
1 13 (25.00%) Linux
2 9 (17.31%) Android
3 6 (11.54%) Unix
4 5 (9.62%) Apple iOS
5 3 (5.77%) Mac OS X
5 3 (5.77%) Windows
6 1 (1.92%) Solaris
Processes & Methodologies
1 37 (71.15%) TDD
2 29 (55.77%) Agile Software Development
3 26 (50.00%) Continuous Integration
4 21 (40.38%) MVC
5 18 (34.62%) Pair Programming
6 17 (32.69%) OOA/OOD
7 13 (25.00%) Push Notifications
8 12 (23.08%) OOD
9 9 (17.31%) Android Development
10 8 (15.38%) Extreme Programming
10 8 (15.38%) OO
11 7 (13.46%) Test Management
12 6 (11.54%) Front End Development
12 6 (11.54%) Mentoring
12 6 (11.54%) Telematics
12 6 (11.54%) UML
13 5 (9.62%) Code Coverage
13 5 (9.62%) Load Testing
13 5 (9.62%) Scrum
13 5 (9.62%) Test Automation
Programming Languages
1 31 (59.62%) Java
2 17 (32.69%) SQL
3 5 (9.62%) Bash Shell
4 4 (7.69%) Apple Swift
4 4 (7.69%) C
4 4 (7.69%) C++
4 4 (7.69%) Objective-C
4 4 (7.69%) PHP
4 4 (7.69%) Ruby
5 3 (5.77%) C#
5 3 (5.77%) Groovy
5 3 (5.77%) PL/SQL
6 2 (3.85%) Elixir
6 2 (3.85%) Perl
6 2 (3.85%) PowerShell
6 2 (3.85%) Shell Script
6 2 (3.85%) T-SQL
6 2 (3.85%) VB.NET
7 1 (1.92%) ES6
7 1 (1.92%) Go
Qualifications
1 3 (5.77%) Degree
2 1 (1.92%) SC Cleared
2 1 (1.92%) Security Cleared
Quality Assurance & Compliance
1 2 (3.85%) QA
2 1 (1.92%) GCP
System Software
1 2 (3.85%) Active Directory
1 2 (3.85%) Firmware
2 1 (1.92%) Docker
Vendors
1 9 (17.31%) Oracle
2 5 (9.62%) Adobe
2 5 (9.62%) CA
2 5 (9.62%) CA Agile Central
2 5 (9.62%) IBM
3 2 (3.85%) Google
3 2 (3.85%) Microsoft
4 1 (1.92%) Atlassian
4 1 (1.92%) Omniture
4 1 (1.92%) Xamarin