Period
to 17 January 2019

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 17 January 2019 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
17 Jan 2019
Same period 2018 Same period 2017
Rank 70 37 31
Rank change year-on-year -33 -6 -7
Contract jobs citing JavaScript 36 54 51
As % of all contract IT jobs advertised in Essex 3.59% 7.88% 6.53%
As % of the Programming Languages category 7.58% 18.00% 18.28%
Number of daily rates quoted 17 40 30
Essex median daily rate £488 £425 £325
Median daily rate % change year-on-year +14.71% +30.77% -13.33%
10th Percentile £296 £306 £255
90th Percentile £521 £518 £441
East of England median daily rate £425 £375 £355
% change year-on-year +13.33% +5.63% -1.39%
Number of hourly rates quoted 1 15 7
Essex median hourly rate £33.08 £62.50 £32.50
Median hourly rate % change year-on-year -47.07% +92.31% -15.22%
10th Percentile £31.58 £38.70 £31.00
90th Percentile £34.58 £63.75 £36.00
East of England median hourly rate £25.17 £62.50 £32.50
% change year-on-year -59.74% +92.31% -22.62%

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 475 300 279
As % of all contract IT jobs advertised in Essex 47.36% 43.80% 35.72%
Number of daily rates quoted 301 223 186
Essex median daily rate £500 £513 £350
Median daily rate % change year-on-year -2.44% +46.43% -6.67%
10th Percentile £349 £325 £250
90th Percentile £588 £600 £539
East of England median daily rate £435 £413 £375
% change year-on-year +5.45% +10.00% -
Number of hourly rates quoted 11 24 38
Essex median hourly rate £23.00 £40.00 £37.50
Median hourly rate % change year-on-year -42.50% +6.67% +2.74%
10th Percentile £9.63 £26.13 £30.93
90th Percentile £52.50 £63.75 £46.00
East of England median hourly rate £45.00 £40.00 £42.20
% change year-on-year +12.50% -5.21% +8.21%

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 17 January 2019.

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
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 17 January 2019. 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 -3 8 £273 -31.88% 2
Southend-on-Sea -17 8 £500 +5.26% 3
Basildon +1 7 £425 -5.56% 1
Chelmsford +3 2 £538 +53.57% 3
Harlow - 2 £375 - 1
JavaScript
East of England

For the 6 months to 17 January 2019, 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 34 (94.44%) HTML
2 28 (77.78%) CSS
3 24 (66.67%) Agile Software Development
4 19 (52.78%) Java
5 18 (50.00%) Problem-Solving
6 17 (47.22%) Microservices
7 16 (44.44%) Git (software)
7 16 (44.44%) Scrum
8 15 (41.67%) TDD
8 15 (41.67%) Ajax
9 14 (38.89%) XML
9 14 (38.89%) Linux
9 14 (38.89%) Jenkins
10 13 (36.11%) SQL
10 13 (36.11%) Web Services
11 12 (33.33%) JSON
11 12 (33.33%) MVC
11 12 (33.33%) AngularJS
11 12 (33.33%) jQuery
12 11 (30.56%) HTML5
12 11 (30.56%) REST
12 11 (30.56%) Spring
12 11 (30.56%) Eclipse
12 11 (30.56%) JUnit
13 10 (27.78%) C#
13 10 (27.78%) SOAP
13 10 (27.78%) NoSQL
13 10 (27.78%) Selenium
13 10 (27.78%) Continuous Integration
14 9 (25.00%) JPA

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 7 (19.44%) Adobe Experience Manager
1 7 (19.44%) Cloud Foundry
1 7 (19.44%) WebSphere
2 3 (8.33%) Apache
3 2 (5.56%) Elasticsearch
3 2 (5.56%) JBoss
3 2 (5.56%) nginx
3 2 (5.56%) Tomcat
3 2 (5.56%) WebLogic
4 1 (2.78%) CMS
4 1 (2.78%) Drupal
4 1 (2.78%) Oracle SOA Suite
Business Applications
1 5 (13.89%) Dynamics CRM
2 1 (2.78%) Magento
Cloud Services
1 9 (25.00%) GitHub
2 5 (13.89%) Dynamics 365
3 4 (11.11%) Azure Active Directory
3 4 (11.11%) Microsoft Azure
4 3 (8.33%) Google Analytics
5 2 (5.56%) Amazon AWS
6 1 (2.78%) Serverless
Communications & Networking
1 9 (25.00%) HTTP
2 6 (16.67%) Broadband
2 6 (16.67%) DHCP
2 6 (16.67%) DLNA
2 6 (16.67%) DNS
2 6 (16.67%) DSL
2 6 (16.67%) FTP
2 6 (16.67%) Internet
2 6 (16.67%) IPv4
2 6 (16.67%) IPv6
2 6 (16.67%) UPnP
2 6 (16.67%) VoIP
2 6 (16.67%) WAN
2 6 (16.67%) Wi-Fi
3 2 (5.56%) SSL
3 2 (5.56%) TCP/IP
Database & Business Intelligence
1 10 (27.78%) NoSQL
2 6 (16.67%) MongoDB
2 6 (16.67%) Relational Database
3 3 (8.33%) SQL Server
4 2 (5.56%) Neo4j
5 1 (2.78%) MySQL
Development Applications
1 16 (44.44%) Git (software)
2 14 (38.89%) Jenkins
3 11 (30.56%) Eclipse
3 11 (30.56%) JUnit
4 10 (27.78%) Selenium
5 9 (25.00%) Maven
6 8 (22.22%) Ant
6 8 (22.22%) Cucumber
6 8 (22.22%) Gradle
7 7 (19.44%) SoapUI
8 6 (16.67%) AccuRev
8 6 (16.67%) Subversion
9 4 (11.11%) gulp
9 4 (11.11%) IntelliJ
10 3 (8.33%) Mercurial
11 2 (5.56%) Gatling
11 2 (5.56%) Grunt
11 2 (5.56%) Karma Test Runner
11 2 (5.56%) Sonatype Nexus
11 2 (5.56%) Team Foundation Server
General
1 8 (22.22%) Marketing
2 4 (11.11%) Manufacturing
3 2 (5.56%) Legal
4 1 (2.78%) Electronics
4 1 (2.78%) Finance
4 1 (2.78%) Local Government
4 1 (2.78%) Retail
4 1 (2.78%) Telecoms
Job Titles
1 32 (88.89%) Developer
2 16 (44.44%) Java Developer
3 4 (11.11%) CRM Developer
3 4 (11.11%) Dynamics CRM Developer
3 4 (11.11%) Microsoft Developer
3 4 (11.11%) Senior Developer
4 3 (8.33%) .NET Developer
4 3 (8.33%) Agile Developer
5 2 (5.56%) Agile Java Developer
5 2 (5.56%) Backend Developer
5 2 (5.56%) Integration Developer
5 2 (5.56%) Java Scala Developer
5 2 (5.56%) Scala Developer
5 2 (5.56%) Senior Java Developer
5 2 (5.56%) Software Developer
6 1 (2.78%) Agile C# Developer
6 1 (2.78%) Architect
6 1 (2.78%) Automation Tester
6 1 (2.78%) Azure Developer
6 1 (2.78%) QA Automation Tester
Libraries, Frameworks & Software Standards
1 34 (94.44%) HTML
2 28 (77.78%) CSS
3 15 (41.67%) Ajax
4 14 (38.89%) XML
5 13 (36.11%) Web Services
6 12 (33.33%) AngularJS
6 12 (33.33%) jQuery
6 12 (33.33%) JSON
7 11 (30.56%) HTML5
7 11 (30.56%) REST
7 11 (30.56%) Spring
8 10 (27.78%) SOAP
9 9 (25.00%) JPA
9 9 (25.00%) Spring Boot
10 8 (22.22%) RESTful
10 8 (22.22%) Twitter Bootstrap
10 8 (22.22%) XHTML
11 7 (19.44%) OSGi
11 7 (19.44%) SAML
11 7 (19.44%) Struts
Miscellaneous
1 6 (16.67%) Analytical Skills
1 6 (16.67%) Media Streaming
1 6 (16.67%) Self-Motivation
2 4 (11.11%) Clustering
2 4 (11.11%) Replication
3 1 (2.78%) Life Science
3 1 (2.78%) User Experience
3 1 (2.78%) Virtual Team
3 1 (2.78%) Web 2.0
Operating Systems
1 14 (38.89%) Linux
2 8 (22.22%) Unix
2 8 (22.22%) Windows
3 6 (16.67%) Embedded Linux
3 6 (16.67%) Solaris
4 2 (5.56%) Ubuntu
Processes & Methodologies
1 24 (66.67%) Agile Software Development
2 18 (50.00%) Problem-Solving
3 17 (47.22%) Microservices
4 16 (44.44%) Scrum
5 15 (41.67%) TDD
6 12 (33.33%) MVC
7 10 (27.78%) Continuous Integration
8 8 (22.22%) Configuration Management
8 8 (22.22%) OO
9 7 (19.44%) Collaborative Working
9 7 (19.44%) Creative Thinking
9 7 (19.44%) Software Engineering
9 7 (19.44%) User Stories
10 6 (16.67%) BDD
10 6 (16.67%) CRM
10 6 (16.67%) Defect Tracking
10 6 (16.67%) DevOps
10 6 (16.67%) Innovative Thinking
10 6 (16.67%) SOLID
11 5 (13.89%) SOA
Programming Languages
1 19 (52.78%) Java
2 13 (36.11%) SQL
3 10 (27.78%) C#
4 7 (19.44%) Scala
5 6 (16.67%) C
5 6 (16.67%) C++
5 6 (16.67%) Embedded C
6 5 (13.89%) Groovy
6 5 (13.89%) Haskell
7 4 (11.11%) Python
7 4 (11.11%) Ruby
8 3 (8.33%) Clojure
8 3 (8.33%) Erlang
8 3 (8.33%) F#
8 3 (8.33%) PHP
9 2 (5.56%) Perl
9 2 (5.56%) PL/SQL
10 1 (2.78%) PHP 5
Qualifications
1 4 (11.11%) Security Cleared
2 3 (8.33%) SC Cleared
3 1 (2.78%) Computer Science Degree
3 1 (2.78%) Degree
Quality Assurance & Compliance
1 2 (5.56%) QA
2 1 (2.78%) GDPR
System Software
1 8 (22.22%) Active Directory
2 4 (11.11%) Virtual Machines
3 3 (8.33%) Docker
Systems Management
1 4 (11.11%) Kibana
2 2 (5.56%) Grafana
2 2 (5.56%) logstash
2 2 (5.56%) Opscode Chef
2 2 (5.56%) Puppet
3 1 (2.78%) Mesos
Vendors
1 9 (25.00%) Adobe
2 6 (16.67%) IBM
3 5 (13.89%) Microsoft
4 3 (8.33%) Google
5 2 (5.56%) CA Agile Central
5 2 (5.56%) Oracle
5 2 (5.56%) webMethods
6 1 (2.78%) Omniture
6 1 (2.78%) SAP