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 3 months to 23 June 2017 with a comparison to the same period in the previous 2 years.

JavaScript (including ECMAScript)
East of England / Hertfordshire
3 months to
23 Jun 2017
Same period 2016 Same period 2015
Rank 5 10 11
Rank change year-on-year +5 +1  
Permanent jobs citing JavaScript 360 263 438
As % of all permanent IT jobs advertised in Hertfordshire 17.05% 11.41% 15.18%
As % of the Programming Languages category 33.49% 27.37% 33.87%
Number of salaries quoted 325 226 389
Median salary £45,000 £45,000 £45,000
90% offered a salary of more than £35,000 £32,000 £30,000
10% offered a salary of more than £60,000 £60,000 £60,000
UK excluding London median salary £40,000 £40,000 £39,000
% change year-on-year - +2.56%  

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

Programming Language Skills
Hertfordshire
Permanent job vacancies with a requirement for programming language skills 1075 961 1293
As % of all permanent IT job vacancies advertised in Hertfordshire 50.92% 41.71% 44.80%
Number of salaries quoted 929 807 1077
Median salary £45,000 £46,000 £45,000
Median salary % change year-on-year -2.17% +2.22%  
90% offered a salary of more than £32,500 £32,500 £30,000
10% offered a salary of more than £65,000 £60,000 £65,000
UK excluding London median salary £42,500 £41,000 £40,000
% change year-on-year +3.65% +2.50%  

JavaScript
Job Vacancy Trend in Hertfordshire

The job posting trend of jobs advertised in Hertfordshire citing JavaScript as a proportion of all permanent or contract IT jobs with a match in the Programming Languages category.

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 3 months to 23 June 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 3 months to 23 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Watford +3 95 £50,000 -4.76% 20
St Albans +2 45 £52,500 -4.54% 17
Letchworth 0 30 £42,500 +26.86%
Hatfield +8 29 £55,000 +22.22% 1
Hemel Hempstead +21 27 £40,000 -5.88% 5
Hertford +11 17 £47,500 +58.33% 1
Borehamwood -1 16 £36,250 +7.40% 2
Broxbourne +10 14 £45,000 +5.88%
Welwyn Garden City -7 13 £75,000 +76.47% 1
Radlett - 12 £37,500 - 1
Stevenage +16 10 £45,000 - 1
Hitchin - 8 £42,500 - 1
Berkhamsted - 6 £32,500 -
Kings Langley +1 5 £32,500 -5.79%
Bishop's Stortford +3 4 £43,750 +41.12% 1
Rickmansworth 0 3 £37,500 +15.38% 1
Royston - 2 £45,000 -
Harpenden -4 1 £37,500 -37.50%
Hoddesdon -4 1 £32,500 -13.33%
JavaScript
East of England

For the 6 months to 23 June 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.

1 502 (70.51%) HTML
2 407 (57.16%) CSS
3 380 (53.37%) C#
4 353 (49.58%) .NET
5 337 (47.33%) AngularJS
6 334 (46.91%) MVC
7 322 (45.22%) Agile Software Development
8 300 (42.13%) ASP.NET
9 286 (40.17%) SQL
10 279 (39.19%) jQuery
11 216 (30.34%) ASP.NET MVC
12 214 (30.06%) SQL Server
13 180 (25.28%) Web Development
14 166 (23.31%) HTML5
15 159 (22.33%) Scrum
16 148 (20.79%) Java
17 142 (19.94%) OO
17 142 (19.94%) ASP.NET Web API
18 139 (19.52%) Degree
19 138 (19.38%) TDD
20 131 (18.40%) Git (software)
21 127 (17.84%) Computer Science
21 127 (17.84%) Twitter Bootstrap
22 125 (17.56%) Node.js
23 122 (17.13%) Software Engineering
24 117 (16.43%) KnockoutJS
25 108 (15.17%) Web Services
26 100 (14.04%) CSS3
27 94 (13.20%) XML
28 92 (12.92%) Oracle

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 53 (7.44%) SharePoint
2 44 (6.18%) Tomcat
3 30 (4.21%) CMS
4 28 (3.93%) Apache
4 28 (3.93%) Elasticsearch
5 27 (3.79%) Oracle Service Bus
5 27 (3.79%) Oracle SOA Suite
6 14 (1.97%) Umbraco
7 12 (1.69%) IIS
7 12 (1.69%) JBoss
8 11 (1.54%) WebLogic
8 11 (1.54%) WebSphere
9 7 (0.98%) Kentico
9 7 (0.98%) WordPress
10 6 (0.84%) Confluence
11 5 (0.70%) SharePoint 2013
12 4 (0.56%) Drupal
13 3 (0.42%) BizTalk Server
14 1 (0.14%) LiveLink
14 1 (0.14%) MS Exchange
Applications
1 11 (1.54%) Microsoft Excel
1 11 (1.54%) Photoshop
2 5 (0.70%) Adobe Creative Suite
2 5 (0.70%) Microsoft Office
3 4 (0.56%) Adobe Illustrator
3 4 (0.56%) Microsoft Project
4 3 (0.42%) GIMP
5 2 (0.28%) 3ds Max
5 2 (0.28%) Maya
6 1 (0.14%) Microsoft PowerPoint
6 1 (0.14%) MS Visio
Business Applications
1 19 (2.67%) Dynamics CRM
2 8 (1.12%) Magento
2 8 (1.12%) Payment Gateway
3 6 (0.84%) Dynamics AX
4 3 (0.42%) Dynamics NAV
5 1 (0.14%) JDE OneWorld
5 1 (0.14%) NetSuite
5 1 (0.14%) SAP Business One
Cloud Services
1 55 (7.72%) Amazon AWS
2 49 (6.88%) Microsoft Azure
3 33 (4.63%) SaaS
4 32 (4.49%) Office 365
5 1 (0.14%) Adobe Analytics
5 1 (0.14%) Google Tag Manager
Communications & Networking
1 19 (2.67%) HTTP
2 4 (0.56%) Internet
3 3 (0.42%) VoIP
4 2 (0.28%) SpaceWire
4 2 (0.28%) Wireshark
5 1 (0.14%) Ethernet
5 1 (0.14%) Intranet
Database & Business Intelligence
1 214 (30.06%) SQL Server
2 80 (11.24%) NoSQL
3 73 (10.25%) MySQL
4 38 (5.34%) Redis
5 26 (3.65%) SQL Server 2014
6 17 (2.39%) MongoDB
6 17 (2.39%) Relational Database
7 14 (1.97%) PostgreSQL
8 12 (1.69%) SQL Server Reporting Services
9 11 (1.54%) SQL Server 2016
10 9 (1.26%) SQL Server Integration Services
11 7 (0.98%) RavenDB
12 6 (0.84%) SQL Server 2012
13 5 (0.70%) Apache Cassandra
13 5 (0.70%) Azure SQL Database
14 4 (0.56%) Data Warehouse
15 2 (0.28%) Amazon DynamoDB
15 2 (0.28%) DocumentDB
15 2 (0.28%) Oracle Database
15 2 (0.28%) SQL Server 2008
Development Applications
1 131 (18.40%) Git (software)
2 78 (10.96%) NUnit
3 74 (10.39%) Team Foundation Server
4 59 (8.29%) Subversion
5 57 (8.01%) MSTest
6 48 (6.74%) Selenium
7 36 (5.06%) Jenkins
8 32 (4.49%) JIRA
8 32 (4.49%) Octopus Deploy
8 32 (4.49%) Visual Studio
9 29 (4.07%) gulp
10 28 (3.93%) TeamCity
11 27 (3.79%) Jasmine
11 27 (3.79%) VSS/SourceSafe
12 23 (3.23%) SpecFlow
13 21 (2.95%) JBehave
13 21 (2.95%) JUnit
13 21 (2.95%) Karma Test Runner
13 21 (2.95%) WebDriver
14 18 (2.53%) Maven
General
1 63 (8.85%) Finance
2 38 (5.34%) Retail
3 30 (4.21%) Advertising
4 23 (3.23%) Games
5 22 (3.09%) Legal
6 17 (2.39%) Telecoms
7 13 (1.83%) Marketing
8 12 (1.69%) Electronics
9 11 (1.54%) Music Industry
10 5 (0.70%) Billing
11 4 (0.56%) Law
12 3 (0.42%) Back Office
13 2 (0.28%) Aerospace
14 1 (0.14%) Banking
14 1 (0.14%) Manufacturing
14 1 (0.14%) Pharmaceutical
14 1 (0.14%) Publishing
Job Titles
1 630 (88.48%) Developer
2 241 (33.85%) .NET Developer
3 225 (31.60%) C# Developer
4 156 (21.91%) C# .NET Developer
5 146 (20.51%) JavaScript Developer
6 105 (14.75%) ASP.NET Developer
7 97 (13.62%) ASP.NET MVC Developer
8 96 (13.48%) C# ASP.NET Developer
8 96 (13.48%) Senior Developer
9 82 (11.52%) Java Developer
9 82 (11.52%) Software Developer
10 80 (11.24%) Web Developer
11 66 (9.27%) HTML Developer
12 56 (7.87%) Front End Developer (Client-Side Developer)
13 48 (6.74%) Senior .NET Developer
14 44 (6.18%) HTML CSS Developer
14 44 (6.18%) PHP Developer
15 32 (4.49%) Senior C# Developer
16 31 (4.35%) SQL Developer
17 30 (4.21%) Senior ASP.NET Developer
Libraries, Frameworks & Software Standards
1 502 (70.51%) HTML
2 407 (57.16%) CSS
3 353 (49.58%) .NET
4 337 (47.33%) AngularJS
5 300 (42.13%) ASP.NET
6 279 (39.19%) jQuery
7 216 (30.34%) ASP.NET MVC
8 166 (23.31%) HTML5
9 142 (19.94%) ASP.NET Web API
10 127 (17.84%) Twitter Bootstrap
11 125 (17.56%) Node.js
12 117 (16.43%) KnockoutJS
13 108 (15.17%) Web Services
14 100 (14.04%) CSS3
15 94 (13.20%) XML
16 77 (10.81%) Ajax
17 74 (10.39%) .NET Framework
17 74 (10.39%) RESTful
18 68 (9.55%) React
19 65 (9.13%) Entity Framework
Miscellaneous
1 127 (17.84%) Computer Science
2 62 (8.71%) User Experience
3 41 (5.76%) Greenfield Project
4 34 (4.78%) Analytical Skills
5 22 (3.09%) Mobile App
6 16 (2.25%) Algorithms
6 16 (2.25%) Data Structures
6 16 (2.25%) Fintech
7 12 (1.69%) iPad
8 9 (1.26%) Enterprise Software
8 9 (1.26%) Virtual Team
9 7 (0.98%) Smartphone
10 5 (0.70%) Kindle
10 5 (0.70%) W3C
11 4 (0.56%) PMI
12 3 (0.42%) Client/Server
12 3 (0.42%) Digital Media
13 2 (0.28%) Augmented Reality
13 2 (0.28%) e-Learning
13 2 (0.28%) Kinect
Operating Systems
1 78 (10.96%) Linux
2 19 (2.67%) Windows
3 18 (2.53%) Android
4 15 (2.11%) Unix
5 13 (1.83%) Apple iOS
6 11 (1.54%) Mac OS X
7 5 (0.70%) VMS
8 2 (0.28%) Windows Server
9 1 (0.14%) Debian
9 1 (0.14%) Ubuntu
9 1 (0.14%) Windows Server 2008
9 1 (0.14%) Windows Server 2012
Processes & Methodologies
1 334 (46.91%) MVC
2 322 (45.22%) Agile Software Development
3 180 (25.28%) Web Development
4 159 (22.33%) Scrum
5 142 (19.94%) OO
6 138 (19.38%) TDD
7 122 (17.13%) Software Engineering
8 83 (11.66%) OOD
9 77 (10.81%) Continuous Integration
10 76 (10.67%) Front End Development
11 71 (9.97%) SOA
12 63 (8.85%) Unit Testing
13 58 (8.15%) Open Source
14 57 (8.01%) E-Commerce
14 57 (8.01%) Multithreading
15 52 (7.30%) Test Automation
16 49 (6.88%) BDD
17 43 (6.04%) SOLID
18 41 (5.76%) Continuous Deployment
19 39 (5.48%) DevOps
Programming Languages
1 380 (53.37%) C#
2 286 (40.17%) SQL
3 148 (20.79%) Java
4 91 (12.78%) TypeScript
5 79 (11.10%) PHP
6 55 (7.72%) T-SQL
7 39 (5.48%) C++
7 39 (5.48%) Ruby
8 32 (4.49%) PL/SQL
9 31 (4.35%) PowerShell
10 30 (4.21%) ES6
11 25 (3.51%) Python
12 15 (2.11%) Shell Script
13 13 (1.83%) XAML
14 11 (1.54%) VB.NET
15 9 (1.26%) Progress 4GL
16 8 (1.12%) VB
17 7 (0.98%) Objective-C
18 4 (0.56%) Apex Code
19 3 (0.42%) C
Qualifications
1 139 (19.52%) Degree
2 69 (9.69%) Computer Science Degree
3 8 (1.12%) MCTS
3 8 (1.12%) Microsoft Certification
4 6 (0.84%) PhD
5 5 (0.70%) HND
6 4 (0.56%) PMI Certification
6 4 (0.56%) SC Cleared
6 4 (0.56%) Security Cleared
7 1 (0.14%) MCP
7 1 (0.14%) Postgraduate
Quality Assurance & Compliance
1 18 (2.53%) QA
2 2 (0.28%) ISO 13485
2 2 (0.28%) MIL-STD-1553
3 1 (0.14%) SEPA
3 1 (0.14%) SLA
System Software
1 13 (1.83%) Docker
Systems Management
1 31 (4.35%) Opscode Chef
2 18 (2.53%) Puppet
3 1 (0.14%) Capistrano
3 1 (0.14%) SCCM
Vendors
1 92 (12.92%) Oracle
2 90 (12.64%) Microsoft
3 47 (6.60%) Xamarin
4 17 (2.39%) Salesforce.com
5 14 (1.97%) Google
6 12 (1.69%) Sitecore
7 9 (1.26%) Ab Initio
7 9 (1.26%) Progress
8 8 (1.12%) Adobe
9 5 (0.70%) Demandware
10 4 (0.56%) ATG
10 4 (0.56%) hybris
10 4 (0.56%) Nintex
11 3 (0.42%) Rackspace
11 3 (0.42%) Zend
12 2 (0.28%) Atlassian
12 2 (0.28%) Samsung
12 2 (0.28%) SAP
13 1 (0.14%) Monetate
13 1 (0.14%) Qubit
Hemel Hempstead, Hertfordshire
Amicus Recruitment Limited
Salary: £30000.00 per annum
Posted: 1 hour ago
St. Albans, Hertfordshire
Oscar
Salary: £30000 - £35000 per annum + Benefits
Posted: 9 hours ago
Hertfordshire
Oscar
Salary: £30000 - £40000 per annum + Benefits
Posted: 9 hours ago
Watford, Hertfordshire
FIS Global
Salary: Up to £50,000 per annum
Posted: 5 hours ago
St. Albans, Hertfordshire
Senitor Associates
Salary: £25000 - £29000 per annum + Benefits & Flexitime
Posted: Yesterday
Stevenage, Hertfordshire
Evolution Recruitment Solutions
Salary: 35-45k + 22 days holiday + Bank holidays + Bonus Scheme + More!
Posted: 9 hours ago
Watford, Hertfordshire
Senitor Associates
Salary: £35000 - £40000 per annum + Benefits
Posted: Yesterday
Watford, Hertfordshire
Senitor Associates
Salary: £32000 - £37000 per annum + Benefits
Posted: Yesterday
St. Albans, Hertfordshire
Resource Group
Salary: £50,000-£80,000 + Bonus & Benefits
Posted: Yesterday
Hitchin, Hertfordshire
Oscar
Salary: £20000 - £50000 per annum + Benefits
Posted: Yesterday
Watford, Hertfordshire
Senitor Associates
Salary: £35000 - £50000 per annum + Benefits
Posted: Yesterday
Watford, Hertfordshire
Streamline Connections
Salary: £40000 - £55000 per annum
Posted: Yesterday
Watford, Hertfordshire
Zorba Consulting Limited
Salary: £55k - 65k per year
Posted: 2 days ago
Watford, Hertfordshire
Senitor Associates
Salary: £25000 - £35000 per annum + Benefits
Posted: Yesterday
St. Albans, Hertfordshire
Net Recruit.co.uk Ltd
Salary: £22,000 - £29,000 DOE + Benefits
Posted: Yesterday
St. Albans, Hertfordshire
Miller Maxwell Ltd
Salary: Up to £65,000 per annum
Posted: 3 days ago
Watford, Hertfordshire
Capita Resourcing - IT Resourcing
Salary: £45000 - £55000 per annum + Benefits
Posted: 2 days ago
St. Albans, Hertfordshire
Senitor Associates
Salary: £25000 - £29000 per annum + Benefits & FlexiTime
Posted: 2 days ago
Watford, Hertfordshire
Oscar
Salary: £35000 - £42000 per annum + Benefits
Posted: 3 days ago
St. Albans, Hertfordshire
Resource Group
Salary: £80,000-90,000 + Bonus & Benefits
Posted: Yesterday
St. Albans, Hertfordshire
Ascend Consulting
Salary: Up to £30,000 per annum
Posted: 2 days ago
Radlett, Hertfordshire
Venturi
Salary: £35000 - £40000 per annum + benefits
Posted: 4 days ago
Watford, Hertfordshire
Understanding Recruitment
Salary: £30000 - £45000 per annum + benefits
Posted: 5 days ago
Watford, Hertfordshire
Verticality Ltd
Salary: £50000 - £65000 per annum, Benefits Excellent Benefits Package
Posted: 2 days ago
Watford, Hertfordshire
Verticality Ltd
Salary: £60000 - £65000 per annum, Benefits Excellent Benefits Package
Posted: 2 days ago
St. Albans, Hertfordshire
Oscar
Salary: £40000 - £55000 per annum + Benefits
Posted: 4 days ago
St. Albans, Hertfordshire
Asset Resourcing Ltd
Salary: £30000 - £40000 per annum + Attractive + benefits
Posted: 3 days ago
Hatfield, Hertfordshire
Understanding Recruitment
Salary: £50000.00 - £60000.00 per annum
Posted: 4 days ago
Hemel Hempstead, Hertfordshire
Stafford-Sharp Associates
Salary: From £25,000 to £55,000 per annum
Posted: 4 days ago
Watford, Hertfordshire
Understanding Recruitment
Salary: £50000 - £60000 per annum + benefits
Posted: 5 days ago