Period
to 18 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Hertfordshire with a requirement for JavaScript skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited JavaScript over the 6 months to 18 November 2017 with a comparison to the same period in the previous 2 years.

JavaScript (including ECMAScript)
East of England > Hertfordshire
6 months to
18 Nov 2017
Same period 2016 Same period 2015
Rank 8 13 10
Rank change year-on-year +5 -3 +4
Permanent jobs citing JavaScript 700 545 773
As % of all permanent IT jobs advertised in Hertfordshire 16.05% 12.19% 14.33%
As % of the Programming Languages category 30.66% 25.62% 30.66%
Number of salaries quoted 640 529 814
Hertfordshire median annual salary £47,500 £45,000 £45,000
Median salary % change year-on-year +5.56% - +5.88%
10th Percentile £31,250 £27,500 £26,975
90th Percentile £66,375 £65,000 £63,750
East of England median annual salary £45,000 £40,000 £40,000
% change year-on-year +12.50% - -

JavaScript is in the Programming Languages category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Hertfordshire with a requirement for coding skills.

All Programming Languages
Hertfordshire
Permanent vacancies with a requirement for coding skills 2283 2127 2521
As % of all permanent IT jobs advertised in Hertfordshire 52.35% 47.58% 46.72%
Number of salaries quoted 1987 1839 2202
Hertfordshire median annual salary £47,500 £47,500 £45,000
Median salary % change year-on-year - +5.56% +2.27%
10th Percentile £31,250 £27,500 £26,250
90th Percentile £67,500 £68,750 £65,000
East of England median annual salary £45,000 £45,000 £42,500
% change year-on-year - +5.88% +2.41%

JavaScript
Job Vacancy Trend in Hertfordshire

Job postings citing JavaScript as a percentage of all IT jobs advertised in Hertfordshire.

Job vacancy trend for JavaScript in Hertfordshire

JavaScript
Salary Trend in Hertfordshire

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing JavaScript in Hertfordshire.

Salary trend for JavaScript in Hertfordshire

JavaScript
Salary Histogram in Hertfordshire

The salary distribution of IT jobs citing JavaScript in Hertfordshire over the 6 months to 18 November 2017.

Salary histogram for JavaScript in Hertfordshire

JavaScript
Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing JavaScript within the Hertfordshire region over the 6 months to 18 November 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Watford +10 178 £50,000 +3.09% 14
St Albans +15 136 £50,000 +17.65% 6
Hemel Hempstead +11 67 £42,500 +10.39% 10
Stevenage +4 56 £40,000 -15.79% 1
Hatfield +20 47 £55,000 -8.33% 5
Welwyn Garden City -6 23 £60,000 +33.33%
Letchworth +4 21 £35,000 +4.48% 4
Bishop's Stortford -8 19 £40,000 +14.29% 3
Radlett - 19 £38,750 -
Hertford -4 18 £47,500 +63.79% 1
Rickmansworth +2 17 £40,000 -33.61% 1
Broxbourne +9 12 £45,000 -5.26%
Kings Langley -1 12 £32,500 -15.58%
Hitchin - 11 £35,000 - 1
Borehamwood -9 9 £37,500 +7.14%
Berkhamsted 0 7 £32,500 -15.58% 2
Baldock - 4 £27,250 -
Potters Bar - 3 £45,000 - 1
Royston +7 1 £40,000 +14.29% 1
Tring -4 1 £27,500 -
JavaScript
East of England

For the 6 months to 18 November 2017, IT jobs citing JavaScript also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Hertfordshire region with a requirement for JavaScript.

1 511 (73.00%) HTML
2 441 (63.00%) CSS
3 371 (53.00%) C#
4 353 (50.43%) .NET
5 289 (41.29%) Agile Software Development
6 254 (36.29%) MVC
7 248 (35.43%) jQuery
8 237 (33.86%) AngularJS
9 235 (33.57%) ASP.NET
10 222 (31.71%) SQL
11 165 (23.57%) Java
12 155 (22.14%) Web Services
13 148 (21.14%) Web Development
14 147 (21.00%) SQL Server
15 145 (20.71%) XML
16 143 (20.43%) ASP.NET MVC
17 136 (19.43%) HTML5
18 133 (19.00%) Git (software)
19 131 (18.71%) OO
20 125 (17.86%) Scrum
21 120 (17.14%) TDD
22 119 (17.00%) Degree
23 117 (16.71%) Computer Science
23 117 (16.71%) ASP.NET Web API
24 116 (16.57%) Software Engineering
25 88 (12.57%) Node.js
26 87 (12.43%) CSS3
27 81 (11.57%) Finance
28 80 (11.43%) RabbitMQ
29 79 (11.29%) Linux

JavaScript
Co-occurring IT Skills in Hertfordshire 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 49 (7.00%) CMS
2 34 (4.86%) Umbraco
3 32 (4.57%) Tomcat
4 31 (4.43%) Elasticsearch
5 29 (4.14%) SharePoint
6 27 (3.86%) Apache
7 22 (3.14%) IIS
8 16 (2.29%) WordPress
9 15 (2.14%) Oracle SOA Suite
10 14 (2.00%) Confluence
11 12 (1.71%) WebSphere
12 10 (1.43%) JBoss
12 10 (1.43%) Oracle Service Bus
13 9 (1.29%) NServiceBus
13 9 (1.29%) WebLogic
14 4 (0.57%) SharePoint 2013
15 3 (0.43%) Adobe Experience Manager
15 3 (0.43%) MQSeries
15 3 (0.43%) WebSphere Application Server
16 2 (0.29%) MS Exchange
Applications
1 15 (2.14%) Microsoft Office
2 10 (1.43%) Adobe Illustrator
2 10 (1.43%) Photoshop
3 8 (1.14%) Microsoft Excel
4 2 (0.29%) Adobe Creative Suite
Business Applications
1 8 (1.14%) Magento
2 7 (1.00%) Payment Gateway
3 5 (0.71%) Dynamics CRM
4 3 (0.43%) Dynamics NAV
5 1 (0.14%) JDE OneWorld
5 1 (0.14%) NetSuite
5 1 (0.14%) SAP Business One
Cloud Services
1 67 (9.57%) Microsoft Azure
2 62 (8.86%) Amazon AWS
3 28 (4.00%) Office 365
4 12 (1.71%) SaaS
5 7 (1.00%) TestFlight
6 2 (0.29%) Amazon SQS
7 1 (0.14%) AdWords
7 1 (0.14%) Amazon EC2
7 1 (0.14%) npm
Communications & Networking
1 31 (4.43%) HTTP
2 12 (1.71%) Internet
3 8 (1.14%) Intranet
3 8 (1.14%) TCP/IP
4 5 (0.71%) VPN
5 4 (0.57%) DNS
5 4 (0.57%) SMTP
6 2 (0.29%) VoIP
7 1 (0.14%) IMAP
7 1 (0.14%) Skype
Database & Business Intelligence
1 147 (21.00%) SQL Server
2 63 (9.00%) MySQL
3 50 (7.14%) NoSQL
3 50 (7.14%) Redis
4 29 (4.14%) Relational Database
5 26 (3.71%) MongoDB
6 23 (3.29%) PostgreSQL
7 19 (2.71%) Spotfire
8 18 (2.57%) SQL Server 2012
9 13 (1.86%) SQL Server 2008
10 10 (1.43%) SQL Server 2014
11 9 (1.29%) SQL Server 2016
12 5 (0.71%) DB2
12 5 (0.71%) QlikView
12 5 (0.71%) SQL Server Reporting Services
13 4 (0.57%) MarkLogic
14 3 (0.43%) Jackrabbit
14 3 (0.43%) RDBMS
14 3 (0.43%) SQL Server 2005
15 2 (0.29%) BusinessObjects
Development Applications
1 133 (19.00%) Git (software)
2 47 (6.71%) Visual Studio
3 45 (6.43%) Subversion
4 43 (6.14%) NUnit
5 41 (5.86%) Selenium
5 41 (5.86%) Team Foundation Server
6 30 (4.29%) Eclipse
7 29 (4.14%) Jenkins
8 28 (4.00%) JIRA
8 28 (4.00%) Maven
8 28 (4.00%) Moq
9 27 (3.86%) JUnit
10 23 (3.29%) Grunt
11 20 (2.86%) Jasmine
12 18 (2.57%) Visual Studio Team System
12 18 (2.57%) VSS/SourceSafe
13 17 (2.43%) MSTest
14 16 (2.29%) TeamCity
15 15 (2.14%) gulp
15 15 (2.14%) SpecFlow
General
1 81 (11.57%) Finance
2 55 (7.86%) Retail
3 26 (3.71%) Marketing
4 22 (3.14%) Legal
5 18 (2.57%) Advertising
6 14 (2.00%) Games
7 9 (1.29%) Electronics
8 8 (1.14%) Telecoms
9 5 (0.71%) Financial Institution
10 3 (0.43%) Publishing
11 2 (0.29%) Pharmaceutical
12 1 (0.14%) Automotive
12 1 (0.14%) French Language
Job Titles
1 590 (84.29%) Developer
2 195 (27.86%) .NET Developer
3 153 (21.86%) C# Developer
4 112 (16.00%) Senior Developer
5 88 (12.57%) Java Developer
6 84 (12.00%) C# .NET Developer
7 82 (11.71%) JavaScript Developer
8 63 (9.00%) Web Developer
9 56 (8.00%) Software Developer
10 47 (6.71%) ASP.NET Developer
10 47 (6.71%) Senior .NET Developer
11 44 (6.29%) ASP.NET MVC Developer
12 40 (5.71%) Junior
13 38 (5.43%) C# ASP.NET Developer
13 38 (5.43%) Senior C# Developer
14 36 (5.14%) Lead Developer
15 34 (4.86%) Junior Developer
16 32 (4.57%) Front End Developer (Client-Side Developer)
16 32 (4.57%) Software Engineer
17 31 (4.43%) Analyst
Libraries, Frameworks & Software Standards
1 511 (73.00%) HTML
2 441 (63.00%) CSS
3 353 (50.43%) .NET
4 248 (35.43%) jQuery
5 237 (33.86%) AngularJS
6 235 (33.57%) ASP.NET
7 155 (22.14%) Web Services
8 145 (20.71%) XML
9 143 (20.43%) ASP.NET MVC
10 136 (19.43%) HTML5
11 117 (16.71%) ASP.NET Web API
12 88 (12.57%) Node.js
13 87 (12.43%) CSS3
14 80 (11.43%) RabbitMQ
15 78 (11.14%) Twitter Bootstrap
16 76 (10.86%) REST
17 73 (10.43%) React
18 66 (9.43%) .NET Framework
19 64 (9.14%) JSON
19 64 (9.14%) RESTful
Miscellaneous
1 117 (16.71%) Computer Science
2 56 (8.00%) Analytical Skills
3 40 (5.71%) User Experience
4 30 (4.29%) Greenfield Project
5 21 (3.00%) Mobile App
6 18 (2.57%) Fintech
7 12 (1.71%) Spread Betting
8 9 (1.29%) Enterprise Software
9 8 (1.14%) Acoustics
9 8 (1.14%) Algorithms
9 8 (1.14%) Data Structures
9 8 (1.14%) Robotics
9 8 (1.14%) Virtual Team
10 6 (0.86%) Life Science
11 5 (0.71%) Driving Licence
11 5 (0.71%) Kindle
11 5 (0.71%) Renewable Energy
12 2 (0.29%) Client/Server
12 2 (0.29%) Smartphone
13 1 (0.14%) PMI
Operating Systems
1 79 (11.29%) Linux
2 35 (5.00%) Windows
3 30 (4.29%) Unix
4 14 (2.00%) Mac OS X
5 9 (1.29%) Android
5 9 (1.29%) Windows Server
6 5 (0.71%) Apple iOS
6 5 (0.71%) HPUX
6 5 (0.71%) Solaris
7 4 (0.57%) Windows Server 2008
8 2 (0.29%) AIX
8 2 (0.29%) CentOS
8 2 (0.29%) Ubuntu
Processes & Methodologies
1 289 (41.29%) Agile Software Development
2 254 (36.29%) MVC
3 148 (21.14%) Web Development
4 131 (18.71%) OO
5 125 (17.86%) Scrum
6 120 (17.14%) TDD
7 116 (16.57%) Software Engineering
8 70 (10.00%) SOA
9 68 (9.71%) E-Commerce
10 60 (8.57%) Mathematics
11 54 (7.71%) BDD
12 53 (7.57%) DevOps
13 51 (7.29%) OOD
14 48 (6.86%) Open Source
14 48 (6.86%) Unit Testing
15 47 (6.71%) Front End Development
16 39 (5.57%) OOP
17 38 (5.43%) Business Intelligence
18 37 (5.29%) SDLC
19 36 (5.14%) Collaborative Working
Programming Languages
1 371 (53.00%) C#
2 222 (31.71%) SQL
3 165 (23.57%) Java
4 77 (11.00%) TypeScript
5 57 (8.14%) PHP
6 47 (6.71%) PowerShell
7 43 (6.14%) T-SQL
8 41 (5.86%) Python
9 33 (4.71%) C++
9 33 (4.71%) Ruby
10 21 (3.00%) Shell Script
11 17 (2.43%) ES6
12 16 (2.29%) VB
12 16 (2.29%) VB.NET
13 13 (1.86%) Bash Shell
14 12 (1.71%) Perl
14 12 (1.71%) VB6
15 10 (1.43%) C
15 10 (1.43%) XAML
16 9 (1.29%) VBA
Qualifications
1 119 (17.00%) Degree
2 57 (8.14%) Computer Science Degree
3 8 (1.14%) HND
4 5 (0.71%) Security Cleared
5 2 (0.29%) Numerate Degree
6 1 (0.14%) MBA
6 1 (0.14%) Microsoft Certification
6 1 (0.14%) PMI Certification
6 1 (0.14%) PMP
6 1 (0.14%) SC Cleared
Quality Assurance & Compliance
1 38 (5.43%) QA
2 2 (0.29%) DICOM
2 2 (0.29%) HL7
3 1 (0.14%) SLA
System Software
1 6 (0.86%) Virtual Machines
2 5 (0.71%) Docker
3 3 (0.43%) VMware Infrastructure
4 1 (0.14%) Active Directory
Systems Management
1 20 (2.86%) Consul
2 12 (1.71%) Graphite
2 12 (1.71%) Opscode Chef
3 10 (1.43%) Puppet
4 6 (0.86%) Ansible
5 4 (0.57%) Capistrano
6 1 (0.14%) WMI
Vendors
1 76 (10.86%) Microsoft
2 58 (8.29%) Oracle
3 25 (3.57%) Xamarin
4 18 (2.57%) Tableau
5 13 (1.86%) Adobe
6 12 (1.71%) Salesforce.com
6 12 (1.71%) Sitecore
7 10 (1.43%) TIBCO
8 8 (1.14%) Ab Initio
8 8 (1.14%) Progress
9 7 (1.00%) Atlassian
9 7 (1.00%) Demandware
10 5 (0.71%) Citrix
10 5 (0.71%) Veeam
10 5 (0.71%) VMware
10 5 (0.71%) Zend
11 4 (0.57%) ATG
11 4 (0.57%) Nintex
11 4 (0.57%) SAP
11 4 (0.57%) Talend