Period
to 27 July 2017

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 27 July 2017 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
27 Jul 2017
Same period 2016 Same period 2015
Rank 33 36 15
Rank change year-on-year +3 -21 +3
Contract jobs citing JavaScript 90 45 101
As % of all contract IT jobs advertised in Essex 10.43% 4.98% 8.88%
As % of the Programming Languages category 20.93% 14.66% 24.11%
Number of daily rates quoted 50 29 59
Essex median daily rate £320 £350 £325
Median daily rate % change year-on-year -8.57% +7.69% -7.14%
10th Percentile £256 £246 £188
90th Percentile £475 £400 £465
East of England median daily rate £388 £375 £338
% change year-on-year +3.33% +11.11% -3.57%
Number of hourly rates quoted 23 4 10
Essex median hourly rate £40.00 £29.25 £40.60
Median hourly rate % change year-on-year +36.75% -27.96% +22.11%
10th Percentile £32.00 £16.28 £36.11
90th Percentile £63.75 £31.63 £47.50
East of England median hourly rate £40.00 £21.25 £40.00
% change year-on-year +88.24% -46.88% +4.58%

JavaScript is in the programming language skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Essex with a requirement for programming language skills.

Contract Programming Language Skills
Essex
Contract job vacancies with a requirement for programming language skills 430 307 419
As % of all contract IT job vacancies advertised in Essex 49.83% 34.00% 36.85%
Number of daily rates quoted 286 164 244
Essex median daily rate £450 £325 £375
Median daily rate % change year-on-year +38.46% -13.33% -
10th Percentile £275 £222 £225
90th Percentile £593 £475 £485
East of England median daily rate £400 £375 £365
% change year-on-year +6.67% +2.74% +4.29%
Number of hourly rates quoted 25 46 44
Essex median hourly rate £37.00 £34.25 £39.00
Median hourly rate % change year-on-year +8.03% -12.18% +4.00%
10th Percentile £30.40 £23.75 £31.19
90th Percentile £63.75 £45.38 £47.05
East of England median hourly rate £40.00 £37.50 £37.50
% change year-on-year +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 27 July 2017.

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 27 July 2017.

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 27 July 2017. 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 - 25 £320 - 2
Basildon +14 10 £275 +14.58% 1
Southend-on-Sea - 6 £480 - 1
Colchester +13 5 £438 +94.44% 4
Saffron Walden - 2 - -
JavaScript
East of England

For the 6 months to 27 July 2017, 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 69 (76.67%) HTML
2 65 (72.22%) XML
3 61 (67.78%) Java
4 59 (65.56%) TDD
5 45 (50.00%) Continuous Integration
5 45 (50.00%) Jenkins
6 43 (47.78%) JUnit
7 42 (46.67%) CSS
7 42 (46.67%) MVC
8 38 (42.22%) SQL
9 36 (40.00%) Agile Software Development
10 35 (38.89%) JSON
11 30 (33.33%) Unix
12 29 (32.22%) OOA/OOD
12 29 (32.22%) Web Services
12 29 (32.22%) RESTful
13 28 (31.11%) Pair Programming
14 26 (28.89%) GitHub
15 25 (27.78%) Oracle
16 24 (26.67%) OOD
16 24 (26.67%) AngularJS
16 24 (26.67%) Gradle
16 24 (26.67%) Core Data
17 23 (25.56%) Push Notifications
17 23 (25.56%) Core Animation
17 23 (25.56%) Animation
17 23 (25.56%) Linux
18 22 (24.44%) Mobile App
19 21 (23.33%) Ajax
20 19 (21.11%) REST

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 16 (17.78%) WebLogic
2 14 (15.56%) WebSphere
3 11 (12.22%) CMS
4 10 (11.11%) SharePoint
5 7 (7.78%) JBoss
6 5 (5.56%) Adobe Experience Manager
6 5 (5.56%) Cloud Foundry
7 3 (3.33%) BizTalk Server
7 3 (3.33%) Confluence
7 3 (3.33%) Skype for Business
7 3 (3.33%) WebSphere Application Server
8 2 (2.22%) Oracle SOA Suite
8 2 (2.22%) Umbraco
9 1 (1.11%) IIS
9 1 (1.11%) SharePoint 2013
Applications
1 2 (2.22%) Adobe Illustrator
1 2 (2.22%) Photoshop
1 2 (2.22%) UXPin
2 1 (1.11%) Adobe Creative Suite
2 1 (1.11%) InDesign
Business Applications
1 11 (12.22%) Adobe Campaign
2 9 (10.00%) Unica
3 8 (8.89%) Dynamics CRM
4 2 (2.22%) Oracle BPM
Cloud Services
1 26 (28.89%) GitHub
2 8 (8.89%) Microsoft Azure
3 6 (6.67%) Adobe Analytics
3 6 (6.67%) Google Analytics
4 4 (4.44%) Office 365
5 3 (3.33%) Yammer
6 1 (1.11%) Amazon AWS
6 1 (1.11%) Amazon EC2
6 1 (1.11%) Amazon S3
6 1 (1.11%) Amazon SQS
6 1 (1.11%) AWS Lambda
6 1 (1.11%) Route 53
Communications & Networking
1 7 (7.78%) LDAP
2 5 (5.56%) HTTP
3 3 (3.33%) 802.11
3 3 (3.33%) ADSL
3 3 (3.33%) Bluetooth
3 3 (3.33%) Broadband
3 3 (3.33%) IPv4
3 3 (3.33%) IPv6
3 3 (3.33%) UPnP
3 3 (3.33%) VDSL
3 3 (3.33%) WAN
3 3 (3.33%) Wireless
3 3 (3.33%) Wireshark
4 2 (2.22%) NAS
5 1 (1.11%) Internet
Database & Business Intelligence
1 19 (21.11%) Relational Database
2 13 (14.44%) SQL Server
3 8 (8.89%) BusinessObjects
4 7 (7.78%) MariaDB
4 7 (7.78%) MySQL
4 7 (7.78%) NoSQL
5 6 (6.67%) Hadoop
5 6 (6.67%) RDBMS
6 3 (3.33%) Oracle Database
6 3 (3.33%) Oracle Database 10g
6 3 (3.33%) Oracle Database 11g
6 3 (3.33%) Oracle Database 12c
7 1 (1.11%) Amazon DynamoDB
7 1 (1.11%) Amazon RDS
Development Applications
1 45 (50.00%) Jenkins
2 43 (47.78%) JUnit
3 24 (26.67%) Gradle
4 16 (17.78%) Calabash
4 16 (17.78%) Maven
5 13 (14.44%) Ant
6 12 (13.33%) Git (software)
7 11 (12.22%) JIRA
8 8 (8.89%) SoapUI
8 8 (8.89%) Xcode
9 7 (7.78%) Android Studio
9 7 (7.78%) Mockito
10 5 (5.56%) JMeter
10 5 (5.56%) Selenium
10 5 (5.56%) Subversion
11 3 (3.33%) Atlassian Bamboo
11 3 (3.33%) Eclipse
12 2 (2.22%) AccuRev
12 2 (2.22%) Cucumber
12 2 (2.22%) Grunt
General
1 19 (21.11%) Automotive
2 17 (18.89%) Manufacturing
3 10 (11.11%) Finance
4 5 (5.56%) Marketing
5 4 (4.44%) Retail
6 2 (2.22%) Legal
7 1 (1.11%) Games
Job Titles
1 82 (91.11%) Developer
2 32 (35.56%) Java Developer
3 18 (20.00%) Android Developer
4 11 (12.22%) Senior Developer
5 8 (8.89%) CRM Developer
5 8 (8.89%) iOS Developer
6 6 (6.67%) J2EE Developer
7 5 (5.56%) Senior J2EE Developer
8 4 (4.44%) JavaScript Developer
8 4 (4.44%) Senior Java Developer
9 3 (3.33%) HTML CSS Developer
9 3 (3.33%) HTML Developer
9 3 (3.33%) Integration Developer
9 3 (3.33%) Software Tester
9 3 (3.33%) Tester
9 3 (3.33%) Web Developer
10 2 (2.22%) Agile Developer
10 2 (2.22%) Angular Developer
10 2 (2.22%) Digital Developer
10 2 (2.22%) Software Developer
Libraries, Frameworks & Software Standards
1 69 (76.67%) HTML
2 65 (72.22%) XML
3 42 (46.67%) CSS
4 35 (38.89%) JSON
5 29 (32.22%) RESTful
5 29 (32.22%) Web Services
6 24 (26.67%) AngularJS
6 24 (26.67%) Core Data
7 23 (25.56%) Core Animation
8 21 (23.33%) Ajax
9 19 (21.11%) J2EE
9 19 (21.11%) REST
10 18 (20.00%) JPA
10 18 (20.00%) Spring
11 17 (18.89%) Android SDK
11 17 (18.89%) HTML5
12 16 (17.78%) Struts
13 14 (15.56%) XHTML
14 13 (14.44%) JAXB
14 13 (14.44%) JSP
Miscellaneous
1 23 (25.56%) Animation
2 22 (24.44%) Mobile App
3 8 (8.89%) iPhone
4 7 (7.78%) Enterprise Software
4 7 (7.78%) Web 2.0
5 5 (5.56%) Virtual Team
6 2 (2.22%) Analytical Skills
6 2 (2.22%) Clustering
6 2 (2.22%) Greenfield Project
6 2 (2.22%) Management Information System
6 2 (2.22%) Replication
6 2 (2.22%) STB
7 1 (1.11%) RIA
7 1 (1.11%) User Experience
Operating Systems
1 30 (33.33%) Unix
2 23 (25.56%) Linux
3 18 (20.00%) Android
4 10 (11.11%) Windows
5 8 (8.89%) Apple iOS
5 8 (8.89%) Mac OS X
6 5 (5.56%) Solaris
Processes & Methodologies
1 59 (65.56%) TDD
2 45 (50.00%) Continuous Integration
3 42 (46.67%) MVC
4 36 (40.00%) Agile Software Development
5 29 (32.22%) OOA/OOD
6 28 (31.11%) Pair Programming
7 24 (26.67%) OOD
8 23 (25.56%) Push Notifications
9 19 (21.11%) B2C
10 18 (20.00%) Android Development
11 17 (18.89%) OO
12 13 (14.44%) Analytics
13 12 (13.33%) CRM
13 12 (13.33%) Web Development
14 11 (12.22%) Mentoring
14 11 (12.22%) Test Automation
15 10 (11.11%) SOA
16 8 (8.89%) Configuration Management
16 8 (8.89%) Content Management
16 8 (8.89%) SEO
Programming Languages
1 61 (67.78%) Java
2 38 (42.22%) SQL
3 12 (13.33%) PHP
4 10 (11.11%) PL/SQL
5 8 (8.89%) Apple Swift
5 8 (8.89%) C#
5 8 (8.89%) C++
6 7 (7.78%) Objective-C
7 5 (5.56%) Perl
8 3 (3.33%) Bash Shell
8 3 (3.33%) PowerShell
8 3 (3.33%) Python
8 3 (3.33%) Ruby
8 3 (3.33%) VB.NET
9 1 (1.11%) C
9 1 (1.11%) Groovy
9 1 (1.11%) Shell Script
9 1 (1.11%) T-SQL
Qualifications
1 7 (7.78%) Degree
2 2 (2.22%) Master's Degree
3 1 (1.11%) BPSS Clearance
3 1 (1.11%) MCPD
3 1 (1.11%) MCSD
3 1 (1.11%) Microsoft Certification
3 1 (1.11%) Security Cleared
Quality Assurance & Compliance
1 3 (3.33%) QA
System Software
1 3 (3.33%) Firmware
2 2 (2.22%) Active Directory
Vendors
1 25 (27.78%) Oracle
2 18 (20.00%) Adobe
3 7 (7.78%) IBM
3 7 (7.78%) Salesforce.com
4 6 (6.67%) CA
4 6 (6.67%) CA Agile Central
4 6 (6.67%) Google
4 6 (6.67%) Microsoft
4 6 (6.67%) Omniture
5 3 (3.33%) FatWire
5 3 (3.33%) Infor
5 3 (3.33%) SAP
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