Period
to 17 November 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 17 November 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
17 Nov 2018
Same period 2017 Same period 2016
Rank 66 41 35
Rank change year-on-year -25 -6 -17
Contract jobs citing JavaScript 49 68 47
As % of all contract IT jobs advertised in Essex 4.56% 8.60% 5.33%
As % of the Programming Languages category 9.59% 19.60% 15.93%
Number of daily rates quoted 23 45 29
Essex median daily rate £475 £425 £325
Median daily rate % change year-on-year +11.76% +30.77% -7.14%
10th Percentile £254 £280 £258
90th Percentile £534 £513 £445
East of England median daily rate £425 £375 £375
% change year-on-year +13.33% - +4.17%
Number of hourly rates quoted 6 23 8
Essex median hourly rate £33.04 £62.50 £31.68
Median hourly rate % change year-on-year -47.14% +97.32% -15.42%
10th Percentile £24.95 £37.20 £31.00
90th Percentile £40.75 £63.75 £36.00
East of England median hourly rate £33.04 £62.50 £33.95
% change year-on-year -47.14% +84.09% -10.07%

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 511 347 295
As % of all contract IT jobs advertised in Essex 47.58% 43.87% 33.45%
Number of daily rates quoted 327 243 197
Essex median daily rate £500 £500 £350
Median daily rate % change year-on-year - +42.86% -6.67%
10th Percentile £349 £313 £239
90th Percentile £600 £600 £525
East of England median daily rate £425 £400 £375
% change year-on-year +6.25% +6.67% -
Number of hourly rates quoted 15 29 44
Essex median hourly rate £33.00 £40.00 £36.00
Median hourly rate % change year-on-year -17.50% +11.11% -1.37%
10th Percentile £9.63 £26.35 £28.75
90th Percentile £51.00 £63.75 £45.93
East of England median hourly rate £43.50 £40.50 £40.00
% change year-on-year +7.41% +1.25% +6.67%

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 November 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 17 November 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 17 November 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
Basildon +2 11 £475 +8.57% 2
Brentwood -2 9 £273 -16.15% 1
Southend-on-Sea -4 7 £503 +5.79%
Chelmsford +5 5 £500 +42.86% 13
Harlow - 1 - -
Westcliff-on-Sea - 1 £225 -
JavaScript
East of England

For the 6 months to 17 November 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 39 (79.59%) HTML
2 33 (67.35%) CSS
3 29 (59.18%) Agile Software Development
4 24 (48.98%) XML
5 22 (44.90%) Web Services
5 22 (44.90%) Java
6 19 (38.78%) Scrum
6 19 (38.78%) Ajax
6 19 (38.78%) Problem-Solving
7 18 (36.73%) TDD
7 18 (36.73%) Jenkins
7 18 (36.73%) AngularJS
8 17 (34.69%) Linux
9 16 (32.65%) Windows
9 16 (32.65%) JUnit
9 16 (32.65%) Spring
9 16 (32.65%) Microservices
10 15 (30.61%) JSON
10 15 (30.61%) jQuery
10 15 (30.61%) Git (software)
10 15 (30.61%) C#
11 14 (28.57%) SQL
11 14 (28.57%) Eclipse
12 13 (26.53%) MVC
12 13 (26.53%) Selenium
12 13 (26.53%) REST
13 12 (24.49%) Continuous Integration
13 12 (24.49%) Maven
13 12 (24.49%) Microsoft
13 12 (24.49%) Adobe

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 (18.37%) Adobe Experience Manager
1 9 (18.37%) WebSphere
2 8 (16.33%) Cloud Foundry
3 5 (10.20%) BizTalk Server
4 4 (8.16%) Apache
5 3 (6.12%) JBoss
6 2 (4.08%) Elasticsearch
6 2 (4.08%) nginx
6 2 (4.08%) Tomcat
6 2 (4.08%) WebLogic
7 1 (2.04%) CMS
7 1 (2.04%) Drupal
7 1 (2.04%) Oracle SOA Suite
Business Applications
1 7 (14.29%) Dynamics CRM
Cloud Services
1 9 (18.37%) Dynamics 365
2 7 (14.29%) GitHub
3 4 (8.16%) Azure Active Directory
3 4 (8.16%) Microsoft Azure
4 3 (6.12%) Google Analytics
5 2 (4.08%) Amazon AWS
6 1 (2.04%) Serverless
Communications & Networking
1 10 (20.41%) HTTP
2 8 (16.33%) Internet
3 7 (14.29%) Broadband
3 7 (14.29%) DHCP
3 7 (14.29%) DLNA
3 7 (14.29%) DNS
3 7 (14.29%) DSL
3 7 (14.29%) FTP
3 7 (14.29%) IPv4
3 7 (14.29%) IPv6
3 7 (14.29%) UPnP
3 7 (14.29%) VoIP
3 7 (14.29%) WAN
3 7 (14.29%) Wi-Fi
4 2 (4.08%) SSL
4 2 (4.08%) TCP/IP
Database & Business Intelligence
1 10 (20.41%) SQL Server
2 9 (18.37%) NoSQL
3 8 (16.33%) Relational Database
4 6 (12.24%) SQL Server Integration Services
5 5 (10.20%) SQL Server 2008
6 4 (8.16%) MongoDB
6 4 (8.16%) SQL Server Reporting Services
7 1 (2.04%) Geospatial Data
7 1 (2.04%) GIS
7 1 (2.04%) JasperReports
7 1 (2.04%) MySQL
7 1 (2.04%) RDBMS
Development Applications
1 18 (36.73%) Jenkins
2 16 (32.65%) JUnit
3 15 (30.61%) Git (software)
4 14 (28.57%) Eclipse
5 13 (26.53%) Selenium
6 12 (24.49%) Maven
7 11 (22.45%) Ant
7 11 (22.45%) Cucumber
8 10 (20.41%) Gradle
9 9 (18.37%) SoapUI
10 8 (16.33%) AccuRev
10 8 (16.33%) Subversion
11 6 (12.24%) IntelliJ
12 5 (10.20%) Rational Rhapsody
13 4 (8.16%) gulp
14 3 (6.12%) JMeter
15 2 (4.08%) Grunt
15 2 (4.08%) Karma Test Runner
15 2 (4.08%) NeoLoad
15 2 (4.08%) SonarQube
General
1 10 (20.41%) Marketing
2 6 (12.24%) Manufacturing
3 3 (6.12%) Legal
4 2 (4.08%) Finance
4 2 (4.08%) Local Government
5 1 (2.04%) Electronics
5 1 (2.04%) Telecoms
Job Titles
1 38 (77.55%) Developer
2 17 (34.69%) Java Developer
3 7 (14.29%) Microsoft Developer
4 6 (12.24%) CRM Developer
4 6 (12.24%) Dynamics CRM Developer
5 4 (8.16%) Agile Developer
5 4 (8.16%) Integration Specialist
5 4 (8.16%) Portal Developer
5 4 (8.16%) Systems Integration Specialist
6 3 (6.12%) Agile Java Developer
6 3 (6.12%) Integration Developer
7 2 (4.08%) .NET Developer
7 2 (4.08%) Analyst
7 2 (4.08%) Backend Developer
7 2 (4.08%) Java Scala Developer
7 2 (4.08%) Scala Developer
7 2 (4.08%) Senior Developer
7 2 (4.08%) Senior Java Developer
8 1 (2.04%) Azure Developer
8 1 (2.04%) Selenium Automation Tester
Libraries, Frameworks & Software Standards
1 39 (79.59%) HTML
2 33 (67.35%) CSS
3 24 (48.98%) XML
4 22 (44.90%) Web Services
5 19 (38.78%) Ajax
6 18 (36.73%) AngularJS
7 16 (32.65%) Spring
8 15 (30.61%) jQuery
8 15 (30.61%) JSON
9 13 (26.53%) REST
10 12 (24.49%) SOAP
11 11 (22.45%) HTML5
11 11 (22.45%) Twitter Bootstrap
12 10 (20.41%) JPA
12 10 (20.41%) RESTful
12 10 (20.41%) Spring Boot
12 10 (20.41%) XHTML
13 8 (16.33%) JAX-WS
13 8 (16.33%) SAML
13 8 (16.33%) Struts
Miscellaneous
1 9 (18.37%) Analytical Skills
1 9 (18.37%) Clustering
2 7 (14.29%) Media Streaming
2 7 (14.29%) Self-Motivation
3 5 (10.20%) NHS
3 5 (10.20%) Replication
4 1 (2.04%) Animation
4 1 (2.04%) Computer Science
4 1 (2.04%) Foreign Exchange (FX)
4 1 (2.04%) Life Science
4 1 (2.04%) Mobile App
4 1 (2.04%) Virtual Team
4 1 (2.04%) Web 2.0
Operating Systems
1 17 (34.69%) Linux
2 16 (32.65%) Windows
3 10 (20.41%) Unix
4 8 (16.33%) Solaris
5 7 (14.29%) Embedded Linux
6 5 (10.20%) Windows Server
7 3 (6.12%) Windows 7
7 3 (6.12%) Windows Server 2008
8 2 (4.08%) Ubuntu
9 1 (2.04%) Android
Processes & Methodologies
1 29 (59.18%) Agile Software Development
2 19 (38.78%) Problem-Solving
2 19 (38.78%) Scrum
3 18 (36.73%) TDD
4 16 (32.65%) Microservices
5 13 (26.53%) MVC
6 12 (24.49%) Continuous Integration
7 10 (20.41%) Configuration Management
8 9 (18.37%) BDD
8 9 (18.37%) OO
8 9 (18.37%) Software Engineering
8 9 (18.37%) User Stories
9 8 (16.33%) Collaborative Working
9 8 (16.33%) Creative Thinking
9 8 (16.33%) CRM
10 7 (14.29%) Defect Tracking
10 7 (14.29%) Innovative Thinking
10 7 (14.29%) SOLID
11 6 (12.24%) Information Management
11 6 (12.24%) Mathematics
Programming Languages
1 22 (44.90%) Java
2 15 (30.61%) C#
3 14 (28.57%) SQL
4 8 (16.33%) C
5 7 (14.29%) C++
5 7 (14.29%) Embedded C
6 4 (8.16%) Scala
7 3 (6.12%) Java 8
7 3 (6.12%) PHP
8 2 (4.08%) Groovy
8 2 (4.08%) Haskell
8 2 (4.08%) Perl
8 2 (4.08%) PL/SQL
8 2 (4.08%) Python
8 2 (4.08%) Ruby
9 1 (2.04%) PHP 5
Qualifications
1 2 (4.08%) Security Cleared
2 1 (2.04%) Computer Science Degree
2 1 (2.04%) Degree
2 1 (2.04%) ISTQB
2 1 (2.04%) ISTQB Foundation Certification
2 1 (2.04%) SC Cleared
Quality Assurance & Compliance
1 6 (12.24%) HL7
2 1 (2.04%) QA
System Software
1 12 (24.49%) Active Directory
2 3 (6.12%) Docker
3 1 (2.04%) Virtual Machines
Systems Management
1 4 (8.16%) Failover Clustering
1 4 (8.16%) Kibana
2 2 (4.08%) Grafana
2 2 (4.08%) logstash
2 2 (4.08%) Opscode Chef
2 2 (4.08%) Puppet
3 1 (2.04%) HP ALM
3 1 (2.04%) HP Quality Center
3 1 (2.04%) Mesos
Vendors
1 12 (24.49%) Adobe
1 12 (24.49%) Microsoft
2 8 (16.33%) IBM
3 4 (8.16%) Google
3 4 (8.16%) InterSystems
4 3 (6.12%) CA Agile Central
4 3 (6.12%) HP
4 3 (6.12%) Oracle
5 2 (4.08%) webMethods
6 1 (2.04%) Atlassian
6 1 (2.04%) Omniture
6 1 (2.04%) SAP
6 1 (2.04%) Twitter