Period
to 20 July 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 20 July 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
20 Jul 2018
Same period 2017 Same period 2016
Rank 39 30 40
Rank change year-on-year -9 +10 -23
Contract jobs citing JavaScript 56 91 45
As % of all contract IT jobs advertised in Essex 6.93% 10.54% 4.97%
As % of the Programming Languages category 14.40% 21.36% 15.10%
Number of daily rates quoted 34 50 29
Essex median daily rate £475 £300 £350
Median daily rate % change year-on-year +58.33% -14.29% -
10th Percentile £234 £256 £246
90th Percentile £559 £475 £405
East of England median daily rate £425 £388 £375
% change year-on-year +9.68% +3.33% +10.29%
Number of hourly rates quoted 9 24 4
Essex median hourly rate £35.54 £38.50 £29.25
Median hourly rate % change year-on-year -7.69% +31.62% -27.96%
10th Percentile £25.22 £32.38 £16.28
90th Percentile £75.00 £63.75 £31.63
East of England median hourly rate £35.50 £38.75 £21.25
% change year-on-year -8.39% +82.35% -47.27%

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 389 426 298
As % of all contract IT jobs advertised in Essex 48.14% 49.36% 32.93%
Number of daily rates quoted 250 283 159
Essex median daily rate £500 £450 £325
Median daily rate % change year-on-year +11.11% +38.46% -13.33%
10th Percentile £348 £275 £220
90th Percentile £600 £583 £475
East of England median daily rate £425 £400 £375
% change year-on-year +6.25% +6.67% +2.74%
Number of hourly rates quoted 15 26 40
Essex median hourly rate £37.50 £38.50 £32.39
Median hourly rate % change year-on-year -2.60% +18.88% -14.78%
10th Percentile £27.64 £31.13 £22.50
90th Percentile £69.38 £63.75 £40.28
East of England median hourly rate £41.00 £40.00 £37.50
% change year-on-year +2.50% +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 20 July 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 20 July 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 20 July 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 0 8 £500 +81.82% 6
Brentwood -3 8 £475 +48.44% 2
Chelmsford - 7 £500 - 7
Braintree - 2 £200 -
Southend-on-Sea +9 1 - - 4
Saffron Walden +4 1 - -
Westcliff-on-Sea - 1 £225 -
JavaScript
East of England

For the 6 months to 20 July 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 (62.50%) Java
2 31 (55.36%) HTML
3 27 (48.21%) Agile Software Development
3 27 (48.21%) Jenkins
4 26 (46.43%) XML
5 25 (44.64%) TDD
6 23 (41.07%) AngularJS
7 22 (39.29%) CSS
8 20 (35.71%) Gradle
8 20 (35.71%) Continuous Integration
9 19 (33.93%) RESTful
9 19 (33.93%) JUnit
9 19 (33.93%) Pair Programming
9 19 (33.93%) Spring
10 18 (32.14%) Web Services
11 17 (30.36%) SQL
12 16 (28.57%) Maven
13 15 (26.79%) SQL Server
13 15 (26.79%) JSON
14 12 (21.43%) OO
14 12 (21.43%) Scrum
14 12 (21.43%) MVC
14 12 (21.43%) Problem-Solving
15 11 (19.64%) Ajax
15 11 (19.64%) IBM
15 11 (19.64%) WebSphere
15 11 (19.64%) HTML5
15 11 (19.64%) Calabash
16 10 (17.86%) Android SDK
16 10 (17.86%) Android Development

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 (19.64%) WebSphere
2 5 (8.93%) BizTalk Server
3 4 (7.14%) Adobe Experience Manager
3 4 (7.14%) Apache
3 4 (7.14%) JBoss
4 2 (3.57%) Cloud Foundry
4 2 (3.57%) CMS
5 1 (1.79%) IBM Domino
5 1 (1.79%) IBM Notes
Business Applications
1 6 (10.71%) Dynamics CRM
2 1 (1.79%) IBM Operational Decision Manager
Cloud Services
1 10 (17.86%) GitHub
2 9 (16.07%) Dynamics 365
3 1 (1.79%) Google Analytics
Communications & Networking
1 2 (3.57%) Internet
2 1 (1.79%) Broadband
2 1 (1.79%) DHCP
2 1 (1.79%) DLNA
2 1 (1.79%) DNS
2 1 (1.79%) DSL
2 1 (1.79%) FTP
2 1 (1.79%) HTTP
2 1 (1.79%) IPv4
2 1 (1.79%) IPv6
2 1 (1.79%) UPnP
2 1 (1.79%) VoIP
2 1 (1.79%) WAN
2 1 (1.79%) Wi-Fi
Database & Business Intelligence
1 15 (26.79%) SQL Server
2 6 (10.71%) Relational Database
2 6 (10.71%) SQL Server Integration Services
3 5 (8.93%) SQL Server 2008
4 4 (7.14%) Geospatial Data
4 4 (7.14%) GIS
4 4 (7.14%) JasperReports
4 4 (7.14%) RDBMS
4 4 (7.14%) SQL Server Reporting Services
5 2 (3.57%) NoSQL
6 1 (1.79%) WebFOCUS
Development Applications
1 27 (48.21%) Jenkins
2 20 (35.71%) Gradle
3 19 (33.93%) JUnit
4 16 (28.57%) Maven
5 11 (19.64%) Calabash
6 10 (17.86%) Git (software)
7 7 (12.50%) Ant
7 7 (12.50%) Cucumber
8 6 (10.71%) Hudson
8 6 (10.71%) Selenium
9 5 (8.93%) Eclipse
9 5 (8.93%) JIRA
9 5 (8.93%) Rational Rhapsody
10 4 (7.14%) AccuRev
10 4 (7.14%) ClearQuest
10 4 (7.14%) CruiseControl
10 4 (7.14%) FishEye
10 4 (7.14%) SoapUI
10 4 (7.14%) TeamCity
11 3 (5.36%) Subversion
General
1 6 (10.71%) Manufacturing
2 4 (7.14%) Marketing
3 3 (5.36%) Automotive
4 2 (3.57%) Finance
5 1 (1.79%) Electronics
5 1 (1.79%) Legal
5 1 (1.79%) Local Government
5 1 (1.79%) Publishing
5 1 (1.79%) Telecoms
Job Titles
1 40 (71.43%) Developer
2 15 (26.79%) Java Developer
3 10 (17.86%) Android Developer
4 5 (8.93%) CRM Developer
4 5 (8.93%) Dynamics CRM Developer
4 5 (8.93%) Microsoft Developer
5 4 (7.14%) Integration Specialist
5 4 (7.14%) Portal Developer
5 4 (7.14%) Senior Developer
5 4 (7.14%) Senior Java Developer
5 4 (7.14%) Senior Software Engineer
5 4 (7.14%) Software Engineer
5 4 (7.14%) Systems Integration Specialist
6 3 (5.36%) Agile Developer
6 3 (5.36%) Agile Java Developer
6 3 (5.36%) SC Cleared Software Engineer
7 2 (3.57%) Front End Developer (Client-Side Developer)
7 2 (3.57%) Graduate Developer
7 2 (3.57%) Web Developer
7 2 (3.57%) Website Developer
Libraries, Frameworks & Software Standards
1 31 (55.36%) HTML
2 26 (46.43%) XML
3 23 (41.07%) AngularJS
4 22 (39.29%) CSS
5 19 (33.93%) RESTful
5 19 (33.93%) Spring
6 18 (32.14%) Web Services
7 15 (26.79%) JSON
8 11 (19.64%) Ajax
8 11 (19.64%) HTML5
9 10 (17.86%) Android SDK
9 10 (17.86%) Core Animation
9 10 (17.86%) Core Data
10 9 (16.07%) Spring Boot
11 8 (14.29%) CSS3
12 6 (10.71%) J2EE
12 6 (10.71%) REST
12 6 (10.71%) XHTML
13 5 (8.93%) XSD
13 5 (8.93%) XSL
Miscellaneous
1 10 (17.86%) Animation
2 7 (12.50%) Mobile App
3 6 (10.71%) Clustering
4 5 (8.93%) NHS
5 4 (7.14%) Analytical Skills
5 4 (7.14%) Foreign Exchange (FX)
6 2 (3.57%) Computer Science
6 2 (3.57%) Replication
6 2 (3.57%) Virtual Team
7 1 (1.79%) Media Streaming
7 1 (1.79%) Self-Motivation
7 1 (1.79%) Web 2.0
Operating Systems
1 10 (17.86%) Android
2 9 (16.07%) Windows
3 5 (8.93%) Windows Server
4 4 (7.14%) Linux
4 4 (7.14%) Unix
5 3 (5.36%) Solaris
5 3 (5.36%) Windows 7
5 3 (5.36%) Windows Server 2008
6 1 (1.79%) Embedded Linux
Processes & Methodologies
1 27 (48.21%) Agile Software Development
2 25 (44.64%) TDD
3 20 (35.71%) Continuous Integration
4 19 (33.93%) Pair Programming
5 12 (21.43%) MVC
5 12 (21.43%) OO
5 12 (21.43%) Problem-Solving
5 12 (21.43%) Scrum
6 10 (17.86%) Android Development
6 10 (17.86%) OOA/OOD
6 10 (17.86%) OOD
6 10 (17.86%) Push Notifications
7 9 (16.07%) Software Engineering
8 6 (10.71%) BDD
8 6 (10.71%) CRM
9 5 (8.93%) DevOps
9 5 (8.93%) Test Automation
9 5 (8.93%) Unit Testing
9 5 (8.93%) User Stories
9 5 (8.93%) Web Development
Programming Languages
1 35 (62.50%) Java
2 17 (30.36%) SQL
3 6 (10.71%) C#
4 5 (8.93%) Bash Shell
4 5 (8.93%) C
5 4 (7.14%) Java 8
6 2 (3.57%) PL/SQL
7 1 (1.79%) C++
7 1 (1.79%) Embedded C
7 1 (1.79%) Ruby
Qualifications
1 5 (8.93%) Security Cleared
2 4 (7.14%) SC Cleared
3 2 (3.57%) Degree
4 1 (1.79%) BC Cleared
4 1 (1.79%) BPSS Clearance
4 1 (1.79%) Computer Science Degree
4 1 (1.79%) ISTQB
4 1 (1.79%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 6 (10.71%) HL7
2 1 (1.79%) QA
System Software
1 8 (14.29%) Active Directory
Systems Management
1 4 (7.14%) Failover Clustering
2 3 (5.36%) HP Quality Center
3 2 (3.57%) HP ALM
Vendors
1 11 (19.64%) IBM
2 9 (16.07%) Adobe
3 8 (14.29%) Microsoft
4 5 (8.93%) Google
4 5 (8.93%) HP
5 4 (7.14%) Atlassian
5 4 (7.14%) InterSystems
5 4 (7.14%) Oracle
6 2 (3.57%) CA Agile Central
7 1 (1.79%) Epicor
7 1 (1.79%) Lotus
7 1 (1.79%) Omniture
7 1 (1.79%) SAP
7 1 (1.79%) Twitter