Period
to 22 September 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 September 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 Sep 2018
Same period 2017 Same period 2016
Rank 45 33 43
Rank change year-on-year -12 +10 -30
Contract jobs citing JavaScript 65 80 40
As % of all contract IT jobs advertised in Essex 6.71% 9.43% 4.35%
As % of the Programming Languages category 14.41% 19.80% 12.46%
Number of daily rates quoted 35 46 27
Essex median daily rate £475 £325 £350
Median daily rate % change year-on-year +46.15% -7.14% +7.69%
10th Percentile £235 £261 £280
90th Percentile £538 £479 £410
East of England median daily rate £425 £375 £375
% change year-on-year +13.33% - +7.14%
Number of hourly rates quoted 8 31 3
Essex median hourly rate £35.29 £62.50 £31.00
Median hourly rate % change year-on-year -43.54% +101.61% -22.98%
10th Percentile £25.13 £35.50 £27.20
90th Percentile £75.00 £63.75 £31.72
East of England median hourly rate £35.29 £47.50 £31.70
% change year-on-year -25.71% +49.84% -20.75%

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 451 404 321
As % of all contract IT jobs advertised in Essex 46.59% 47.64% 34.93%
Number of daily rates quoted 297 269 189
Essex median daily rate £500 £475 £328
Median daily rate % change year-on-year +5.26% +45.04% -12.67%
10th Percentile £356 £310 £230
90th Percentile £600 £600 £493
East of England median daily rate £425 £400 £375
% change year-on-year +6.25% +6.67% -
Number of hourly rates quoted 11 33 51
Essex median hourly rate £37.50 £40.00 £35.00
Median hourly rate % change year-on-year -6.25% +14.29% -6.67%
10th Percentile £24.50 £27.15 £26.25
90th Percentile £75.00 £63.75 £45.00
East of England median hourly rate £43.75 £40.00 £39.75
% change year-on-year +9.38% +0.63% +6.00%

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 September 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 September 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 September 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 -2 12 £475 +48.44% 2
Basildon +3 11 £488 +50.00% 4
Chelmsford +10 9 £500 +42.86% 6
Southend-on-Sea +1 4 £508 +7.52%
Braintree - 2 £200 -
Saffron Walden +2 1 - - 2
Westcliff-on-Sea - 1 £225 -
Harlow - 1 - - 3
JavaScript
East of England

For the 6 months to 22 September 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 48 (73.85%) HTML
2 31 (47.69%) Java
2 31 (47.69%) CSS
3 28 (43.08%) XML
3 28 (43.08%) Agile Software Development
4 24 (36.92%) TDD
4 24 (36.92%) RESTful
4 24 (36.92%) Jenkins
5 22 (33.85%) AngularJS
5 22 (33.85%) Web Services
6 20 (30.77%) Scrum
7 19 (29.23%) JUnit
7 19 (29.23%) JSON
8 18 (27.69%) Continuous Integration
8 18 (27.69%) Gradle
9 17 (26.15%) Problem-Solving
10 16 (24.62%) Ajax
10 16 (24.62%) SQL
10 16 (24.62%) MVC
10 16 (24.62%) Pair Programming
11 15 (23.08%) Spring
12 14 (21.54%) C#
12 14 (21.54%) HTML5
12 14 (21.54%) Dynamics 365
13 13 (20.00%) Microsoft
14 12 (18.46%) SQL Server
14 12 (18.46%) Linux
14 12 (18.46%) jQuery
15 11 (16.92%) Software Engineering
15 11 (16.92%) Dynamics CRM

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 9 (13.85%) WebSphere
2 6 (9.23%) Adobe Experience Manager
3 5 (7.69%) BizTalk Server
4 4 (6.15%) Cloud Foundry
5 2 (3.08%) Apache
5 2 (3.08%) CMS
5 2 (3.08%) JBoss
6 1 (1.54%) Drupal
6 1 (1.54%) IBM Domino
6 1 (1.54%) IBM Notes
6 1 (1.54%) nginx
6 1 (1.54%) Tomcat
6 1 (1.54%) WebLogic
Business Applications
1 11 (16.92%) Dynamics CRM
2 1 (1.54%) IBM Operational Decision Manager
Cloud Services
1 14 (21.54%) Dynamics 365
2 11 (16.92%) GitHub
3 4 (6.15%) Azure Active Directory
3 4 (6.15%) Microsoft Azure
4 3 (4.62%) Google Analytics
Communications & Networking
1 8 (12.31%) HTTP
1 8 (12.31%) Internet
2 7 (10.77%) Broadband
2 7 (10.77%) DHCP
2 7 (10.77%) DLNA
2 7 (10.77%) DNS
2 7 (10.77%) DSL
2 7 (10.77%) FTP
2 7 (10.77%) IPv4
2 7 (10.77%) IPv6
2 7 (10.77%) UPnP
2 7 (10.77%) VoIP
2 7 (10.77%) WAN
2 7 (10.77%) Wi-Fi
3 1 (1.54%) SSL
3 1 (1.54%) TCP/IP
Database & Business Intelligence
1 12 (18.46%) SQL Server
2 6 (9.23%) SQL Server Integration Services
3 5 (7.69%) SQL Server 2008
4 4 (6.15%) NoSQL
4 4 (6.15%) Relational Database
4 4 (6.15%) SQL Server Reporting Services
5 1 (1.54%) Geospatial Data
5 1 (1.54%) GIS
5 1 (1.54%) JasperReports
5 1 (1.54%) MongoDB
5 1 (1.54%) MySQL
5 1 (1.54%) RDBMS
5 1 (1.54%) WebFOCUS
Development Applications
1 24 (36.92%) Jenkins
2 19 (29.23%) JUnit
3 18 (27.69%) Gradle
4 11 (16.92%) Maven
5 10 (15.38%) Calabash
5 10 (15.38%) Git (software)
6 8 (12.31%) Cucumber
6 8 (12.31%) Eclipse
6 8 (12.31%) Selenium
7 6 (9.23%) Ant
8 5 (7.69%) AccuRev
8 5 (7.69%) Rational Rhapsody
8 5 (7.69%) SoapUI
9 4 (6.15%) Subversion
10 3 (4.62%) Android Studio
10 3 (4.62%) gulp
10 3 (4.62%) Hudson
10 3 (4.62%) IntelliJ
11 2 (3.08%) JIRA
11 2 (3.08%) Team Foundation Server
General
1 7 (10.77%) Manufacturing
2 6 (9.23%) Marketing
3 3 (4.62%) Finance
4 2 (3.08%) Automotive
4 2 (3.08%) Electronics
4 2 (3.08%) Legal
4 2 (3.08%) Local Government
4 2 (3.08%) Telecoms
5 1 (1.54%) Publishing
Job Titles
1 54 (83.08%) Developer
2 15 (23.08%) Java Developer
3 10 (15.38%) Android Developer
4 9 (13.85%) CRM Developer
4 9 (13.85%) Dynamics CRM Developer
4 9 (13.85%) Microsoft Developer
5 5 (7.69%) Portal Developer
6 4 (6.15%) Integration Specialist
6 4 (6.15%) Systems Integration Specialist
7 3 (4.62%) Agile Developer
8 2 (3.08%) .NET Developer
8 2 (3.08%) Agile Java Developer
8 2 (3.08%) Backend Developer
8 2 (3.08%) Front End Developer (Client-Side Developer)
8 2 (3.08%) Graduate Developer
8 2 (3.08%) Integration Developer
8 2 (3.08%) Java Scala Developer
8 2 (3.08%) Scala Developer
8 2 (3.08%) Senior Developer
8 2 (3.08%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 48 (73.85%) HTML
2 31 (47.69%) CSS
3 28 (43.08%) XML
4 24 (36.92%) RESTful
5 22 (33.85%) AngularJS
5 22 (33.85%) Web Services
6 19 (29.23%) JSON
7 16 (24.62%) Ajax
8 15 (23.08%) Spring
9 14 (21.54%) HTML5
10 12 (18.46%) jQuery
11 11 (16.92%) CSS3
12 10 (15.38%) Android SDK
12 10 (15.38%) Core Animation
12 10 (15.38%) Core Data
13 7 (10.77%) CGI
13 7 (10.77%) SOAP
13 7 (10.77%) Spring Boot
13 7 (10.77%) Twitter Bootstrap
13 7 (10.77%) XHTML
Miscellaneous
1 10 (15.38%) Animation
2 7 (10.77%) Clustering
2 7 (10.77%) Media Streaming
2 7 (10.77%) Mobile App
2 7 (10.77%) Self-Motivation
3 5 (7.69%) Analytical Skills
3 5 (7.69%) NHS
4 3 (4.62%) Replication
5 2 (3.08%) Computer Science
5 2 (3.08%) Virtual Team
5 2 (3.08%) Web 2.0
6 1 (1.54%) Foreign Exchange (FX)
6 1 (1.54%) Life Science
Operating Systems
1 12 (18.46%) Linux
2 11 (16.92%) Windows
3 10 (15.38%) Android
4 7 (10.77%) Embedded Linux
5 6 (9.23%) Unix
6 5 (7.69%) Windows Server
7 4 (6.15%) Solaris
8 3 (4.62%) Windows 7
8 3 (4.62%) Windows Server 2008
9 1 (1.54%) Ubuntu
Processes & Methodologies
1 28 (43.08%) Agile Software Development
2 24 (36.92%) TDD
3 20 (30.77%) Scrum
4 18 (27.69%) Continuous Integration
5 17 (26.15%) Problem-Solving
6 16 (24.62%) MVC
6 16 (24.62%) Pair Programming
7 11 (16.92%) CRM
7 11 (16.92%) Software Engineering
8 10 (15.38%) Android Development
8 10 (15.38%) OOA/OOD
8 10 (15.38%) OOD
8 10 (15.38%) Push Notifications
9 9 (13.85%) Configuration Management
9 9 (13.85%) Microservices
9 9 (13.85%) OO
10 8 (12.31%) Creative Thinking
11 7 (10.77%) Collaborative Working
11 7 (10.77%) Defect Tracking
11 7 (10.77%) Innovative Thinking
Programming Languages
1 31 (47.69%) Java
2 16 (24.62%) SQL
3 14 (21.54%) C#
4 8 (12.31%) C
5 7 (10.77%) C++
5 7 (10.77%) Embedded C
6 4 (6.15%) Java 8
7 3 (4.62%) Bash Shell
7 3 (4.62%) Scala
8 2 (3.08%) PL/SQL
9 1 (1.54%) Groovy
9 1 (1.54%) Haskell
9 1 (1.54%) Perl
9 1 (1.54%) PHP
9 1 (1.54%) PHP 5
9 1 (1.54%) Python
9 1 (1.54%) Ruby
Qualifications
1 2 (3.08%) Security Cleared
2 1 (1.54%) BC Cleared
2 1 (1.54%) BPSS Clearance
2 1 (1.54%) Computer Science Degree
2 1 (1.54%) Degree
2 1 (1.54%) ISTQB
2 1 (1.54%) ISTQB Foundation Certification
2 1 (1.54%) SC Cleared
Quality Assurance & Compliance
1 6 (9.23%) HL7
2 2 (3.08%) QA
System Software
1 10 (15.38%) Active Directory
2 1 (1.54%) Docker
Systems Management
1 4 (6.15%) Failover Clustering
2 3 (4.62%) HP Quality Center
3 2 (3.08%) HP ALM
4 1 (1.54%) Grafana
4 1 (1.54%) Kibana
4 1 (1.54%) Opscode Chef
4 1 (1.54%) Puppet
Vendors
1 13 (20.00%) Microsoft
2 9 (13.85%) Adobe
3 8 (12.31%) IBM
4 5 (7.69%) HP
5 4 (6.15%) Google
5 4 (6.15%) InterSystems
5 4 (6.15%) Oracle
6 2 (3.08%) CA Agile Central
6 2 (3.08%) Omniture
6 2 (3.08%) SAP
7 1 (1.54%) Atlassian
7 1 (1.54%) Epicor
7 1 (1.54%) Lotus
7 1 (1.54%) Twitter
7 1 (1.54%) webMethods