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 26 March 2017 with a comparison to the same period in the previous 2 years.

3 months to
26 Mar 2017
Same period 2016 Same period 2015
JavaScript (including ECMAScript)
East of England / Hertfordshire
Rank 8 18 9
Rank change year-on-year +10 -9  
Permanent jobs citing JavaScript 353 257 403
As % of all permanent IT jobs advertised in Hertfordshire 16.27% 9.99% 17.22%
As % of the Programming Languages category 33.08% 25.45% 34.65%
Number of salaries quoted 320 234 322
Median salary £42,500 £47,500 £45,000
Median salary % change year-on-year -10.52% +5.55%  
90% offered a salary of more than £32,500 £36,750 £30,000
10% offered a salary of more than £70,000 £75,000 £60,000
UK excluding London median salary £40,000 £40,000 £38,500
% change year-on-year - +3.89%  

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 1067 1010 1163
As % of all permanent IT job vacancies advertised in Hertfordshire 49.19% 39.27% 49.70%
Number of salaries quoted 930 824 942
Median salary £45,000 £45,000 £45,000
90% offered a salary of more than £32,500 £32,000 £31,000
10% offered a salary of more than £65,000 £60,000 £63,500
UK excluding London median salary £41,500 £40,500 £40,000
% change year-on-year +2.46% +1.25%  

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 26 March 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 26 March 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 +13 77 £45,000 -20.00% 9
St Albans -3 52 £45,000 -10.00% 6
Stevenage +10 29 £43,750 +16.66% 2
Hemel Hempstead +6 26 £42,500 -5.55% 4
Letchworth +8 25 £40,000 - 7
Hatfield +33 18 £60,000 +9.09% 2
Hitchin - 18 £40,000 - 2
Hertford +4 17 £32,500 -27.77% 1
Rickmansworth +2 11 £40,000 -5.88%
Borehamwood - 11 £40,000 - 1
Harpenden -7 6 £42,500 -26.08% 2
Potters Bar - 6 £41,250 - 1
Waltham Cross - 6 £70,000 -
Berkhamsted +1 5 £70,000 +93.10%
Welwyn Garden City -13 5 £30,000 -66.66%
Kings Langley -2 4 £70,000 +64.70% 1
Bishop's Stortford - 4 £55,000 - 1
Royston - 3 £50,000 -
Ware - 3 £60,000 - 1
Welwyn - 2 £65,000 -
Broxbourne -9 1 £45,000 - 2
JavaScript
East of England

JavaScript
Top 30 Related IT Skills in Hertfordshire

For the 6 months to 26 March 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.

1 491 (68.48%) HTML
2 427 (59.55%) C#
3 396 (55.23%) .NET
4 375 (52.30%) CSS
5 353 (49.23%) MVC
6 334 (46.58%) ASP.NET
7 329 (45.89%) Agile Software Development
8 308 (42.96%) AngularJS
9 302 (42.12%) SQL
10 270 (37.66%) jQuery
11 238 (33.19%) SQL Server
12 237 (33.05%) ASP.NET MVC
13 170 (23.71%) Scrum
14 169 (23.57%) Web Development
15 164 (22.87%) HTML5
16 155 (21.62%) ASP.NET Web API
17 143 (19.94%) TDD
18 136 (18.97%) Java
19 132 (18.41%) KnockoutJS
20 131 (18.27%) OO
21 129 (17.99%) Twitter Bootstrap
22 123 (17.15%) Degree
23 117 (16.32%) Git (software)
24 116 (16.18%) .NET Framework
25 110 (15.34%) Node.js
26 99 (13.81%) Continuous Integration
27 98 (13.67%) Software Engineering
28 96 (13.39%) Microsoft
28 96 (13.39%) Computer Science
28 96 (13.39%) Entity Framework

JavaScript
Top Related 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 62 (8.65%) SharePoint
2 32 (4.46%) Oracle SOA Suite
3 31 (4.32%) Tomcat
4 30 (4.18%) Oracle Service Bus
5 27 (3.77%) CMS
5 27 (3.77%) Elasticsearch
6 18 (2.51%) IIS
7 13 (1.81%) Apache
7 13 (1.81%) JBoss
7 13 (1.81%) WebSphere
7 13 (1.81%) WordPress
8 11 (1.53%) Umbraco
9 10 (1.39%) WebLogic
10 3 (0.42%) BizTalk Server
10 3 (0.42%) Drupal
10 3 (0.42%) NServiceBus
11 2 (0.28%) SharePoint 2010
11 2 (0.28%) Sitecore CMS
11 2 (0.28%) WildFly
12 1 (0.14%) SharePoint 2013
Applications
1 55 (7.67%) MS Excel
2 35 (4.88%) Photoshop
3 20 (2.79%) Adobe Illustrator
4 9 (1.26%) GIMP
5 8 (1.12%) Fireworks
5 8 (1.12%) InDesign
6 6 (0.84%) Adobe Creative Suite
7 4 (0.56%) MS Project
8 2 (0.28%) 3ds Max
8 2 (0.28%) Maya
8 2 (0.28%) MS Office
9 1 (0.14%) MS Visio
Business Applications
1 21 (2.93%) Dynamics CRM
2 9 (1.26%) Payment Gateway
3 5 (0.70%) Dynamics AX
4 2 (0.28%) Magento
Cloud Services
1 59 (8.23%) Amazon AWS
2 43 (6.00%) Microsoft Azure
3 38 (5.30%) Office 365
4 33 (4.60%) SaaS
5 2 (0.28%) Adobe Analytics
6 1 (0.14%) GitHub
6 1 (0.14%) Google Analytics
6 1 (0.14%) Google Tag Manager
Communications & Networking
1 15 (2.09%) Wireshark
2 10 (1.39%) Ethernet
3 9 (1.26%) HTTP
4 8 (1.12%) RS-232
5 6 (0.84%) TCP/IP
6 5 (0.70%) SNMP
7 4 (0.56%) DNS
7 4 (0.56%) SMTP
8 3 (0.42%) Internet
8 3 (0.42%) SSH
8 3 (0.42%) SSL
8 3 (0.42%) VoIP
8 3 (0.42%) Wireless
9 2 (0.28%) AMQP
9 2 (0.28%) FTP
9 2 (0.28%) Intranet
9 2 (0.28%) SpaceWire
10 1 (0.14%) Broadband
10 1 (0.14%) PuTTY
Database & Business Intelligence
1 238 (33.19%) SQL Server
2 77 (10.74%) NoSQL
3 61 (8.51%) MySQL
4 33 (4.60%) SQL Server 2014
5 29 (4.04%) MongoDB
6 22 (3.07%) Redis
7 21 (2.93%) Relational Database
8 19 (2.65%) RavenDB
9 16 (2.23%) SQL Server Reporting Services
10 13 (1.81%) SQL Server Integration Services
11 8 (1.12%) RDBMS
12 7 (0.98%) SQL Server 2016
13 6 (0.84%) Data Warehouse
13 6 (0.84%) SQL Server 2012
14 4 (0.56%) Big Data
14 4 (0.56%) SQL Server 2008
15 3 (0.42%) Amazon DynamoDB
15 3 (0.42%) Data Mining
15 3 (0.42%) DocumentDB
16 2 (0.28%) Apache Cassandra
Development Applications
1 117 (16.32%) Git (software)
2 83 (11.58%) Team Foundation Server
3 77 (10.74%) NUnit
4 66 (9.21%) MSTest
5 61 (8.51%) Subversion
6 43 (6.00%) Jenkins
7 39 (5.44%) Octopus Deploy
7 39 (5.44%) Selenium
8 38 (5.30%) TeamCity
9 34 (4.74%) VSS/SourceSafe
10 33 (4.60%) Visual Studio
11 31 (4.32%) Jasmine
12 28 (3.91%) gulp
13 26 (3.63%) SpecFlow
14 23 (3.21%) WebDriver
15 21 (2.93%) JBehave
15 21 (2.93%) Karma Test Runner
16 17 (2.37%) Maven
17 15 (2.09%) JIRA
18 14 (1.95%) Visual Studio Team System
General
1 60 (8.37%) Finance
2 33 (4.60%) Retail
3 31 (4.32%) Advertising
4 20 (2.79%) Telecoms
5 17 (2.37%) Games
6 16 (2.23%) Marketing
7 15 (2.09%) Music Industry
8 8 (1.12%) Electronics
9 6 (0.84%) Law
10 3 (0.42%) Aerospace
10 3 (0.42%) Billing
11 2 (0.28%) Back Office
11 2 (0.28%) Banking
11 2 (0.28%) Legal
11 2 (0.28%) Manufacturing
12 1 (0.14%) Publishing
Job Titles
1 595 (82.98%) Developer
2 263 (36.68%) .NET Developer
3 226 (31.52%) C# Developer
4 161 (22.45%) C# .NET Developer
5 118 (16.46%) ASP.NET MVC Developer
6 112 (15.62%) JavaScript Developer
7 108 (15.06%) ASP.NET Developer
8 104 (14.50%) Senior Developer
9 93 (12.97%) C# ASP.NET Developer
10 76 (10.60%) Web Developer
11 68 (9.48%) Software Developer
12 62 (8.65%) Java Developer
13 61 (8.51%) HTML Developer
13 61 (8.51%) Senior .NET Developer
14 58 (8.09%) Front End Developer (Client-Side Developer)
15 39 (5.44%) SQL Developer
16 35 (4.88%) HTML CSS Developer
17 34 (4.74%) PHP Developer
18 33 (4.60%) Angular Developer
18 33 (4.60%) Programmer
Libraries, Frameworks & Software Standards
1 491 (68.48%) HTML
2 396 (55.23%) .NET
3 375 (52.30%) CSS
4 334 (46.58%) ASP.NET
5 308 (42.96%) AngularJS
6 270 (37.66%) jQuery
7 237 (33.05%) ASP.NET MVC
8 164 (22.87%) HTML5
9 155 (21.62%) ASP.NET Web API
10 132 (18.41%) KnockoutJS
11 129 (17.99%) Twitter Bootstrap
12 116 (16.18%) .NET Framework
13 110 (15.34%) Node.js
14 96 (13.39%) Entity Framework
15 93 (12.97%) XML
16 85 (11.85%) CSS3
17 82 (11.44%) Web Services
18 79 (11.02%) Ajax
19 71 (9.90%) RESTful
20 66 (9.21%) WCF
Miscellaneous
1 96 (13.39%) Computer Science
2 88 (12.27%) User Experience
3 43 (6.00%) Mobile App
4 32 (4.46%) Analytical Skills
5 13 (1.81%) iPad
6 10 (1.39%) Enterprise Software
7 9 (1.26%) Fintech
8 8 (1.12%) Smartphone
9 7 (0.98%) Algorithms
9 7 (0.98%) Data Structures
10 6 (0.84%) Virtual Team
11 5 (0.70%) Client/Server
11 5 (0.70%) e-Learning
11 5 (0.70%) W3C
12 4 (0.56%) Smart Home
13 3 (0.42%) EPoS
13 3 (0.42%) Spread Betting
14 2 (0.28%) HoloLens
14 2 (0.28%) PMI
14 2 (0.28%) Replication
Operating Systems
1 84 (11.72%) Linux
2 39 (5.44%) Windows
3 24 (3.35%) Unix
4 16 (2.23%) Android
5 12 (1.67%) Apple iOS
6 5 (0.70%) Mac OS X
6 5 (0.70%) Windows Server
6 5 (0.70%) Windows Server 2008
7 2 (0.28%) Debian
7 2 (0.28%) Mac OS
8 1 (0.14%) Solaris
8 1 (0.14%) Ubuntu
8 1 (0.14%) Windows Server 2012
Processes & Methodologies
1 353 (49.23%) MVC
2 329 (45.89%) Agile Software Development
3 170 (23.71%) Scrum
4 169 (23.57%) Web Development
5 143 (19.94%) TDD
6 131 (18.27%) OO
7 99 (13.81%) Continuous Integration
8 98 (13.67%) Software Engineering
9 82 (11.44%) Front End Development
10 73 (10.18%) SOA
11 70 (9.76%) OOD
12 63 (8.79%) Unit Testing
13 62 (8.65%) Multithreading
14 59 (8.23%) SOLID
15 54 (7.53%) DevOps
16 46 (6.42%) Continuous Deployment
17 44 (6.14%) BDD
18 39 (5.44%) OOP
19 36 (5.02%) Mobile Application Development
20 35 (4.88%) Automated Testing
Programming Languages
1 427 (59.55%) C#
2 302 (42.12%) SQL
3 136 (18.97%) Java
4 70 (9.76%) PHP
5 68 (9.48%) T-SQL
6 67 (9.34%) TypeScript
7 45 (6.28%) C++
8 41 (5.72%) PowerShell
9 38 (5.30%) Ruby
10 23 (3.21%) ES6
11 22 (3.07%) Shell Script
12 20 (2.79%) PL/SQL
13 18 (2.51%) VB.NET
14 16 (2.23%) Python
15 12 (1.67%) VB
16 8 (1.12%) C
17 7 (0.98%) Objective-C
17 7 (0.98%) XAML
18 6 (0.84%) Progress 4GL
19 4 (0.56%) Scala
Qualifications
1 123 (17.15%) Degree
2 16 (2.23%) PhD
3 2 (0.28%) PMI Certification
4 1 (0.14%) HND
4 1 (0.14%) MCP
4 1 (0.14%) MCTS
4 1 (0.14%) Microsoft Certification
4 1 (0.14%) Postgraduate
4 1 (0.14%) SC Cleared
4 1 (0.14%) Security Cleared
Quality Assurance & Compliance
1 27 (3.77%) QA
2 3 (0.42%) PCI DSS
3 2 (0.28%) ISO13485
4 1 (0.14%) ISO 9001
4 1 (0.14%) SEPA
4 1 (0.14%) SLA
System Software
1 14 (1.95%) Docker
2 3 (0.42%) Virtual Machines
3 2 (0.28%) VMware Infrastructure
Systems Management
1 35 (4.88%) Opscode Chef
2 22 (3.07%) Puppet
3 2 (0.28%) Capistrano
4 1 (0.14%) Ansible
4 1 (0.14%) Grafana
4 1 (0.14%) Graphite
4 1 (0.14%) Oracle Enterprise Manager
4 1 (0.14%) SCCM
4 1 (0.14%) Terraform
Vendors
1 96 (13.39%) Microsoft
2 78 (10.88%) Oracle
3 48 (6.69%) Xamarin
4 28 (3.91%) Salesforce.com
5 27 (3.77%) Sitecore
6 18 (2.51%) Adobe
7 11 (1.53%) Google
8 6 (0.84%) Ab Initio
8 6 (0.84%) Progress
9 5 (0.70%) IBM
10 4 (0.56%) Red Hat
10 4 (0.56%) Splunk
10 4 (0.56%) Sybase
11 3 (0.42%) hybris
11 3 (0.42%) Talend
12 2 (0.28%) Apple
12 2 (0.28%) Facebook
12 2 (0.28%) Samsung
12 2 (0.28%) VMware
12 2 (0.28%) Zend
Hemel Hempstead, Hertfordshire
Understanding Recruitment
Salary: £35000 - £50000 per annum + Benefits
Posted: 2 hours ago
Hitchin, Hertfordshire
Understanding Recruitment
Salary: £30000 - £50000 per annum + Benifits
Posted: 1 hour ago
Letchworth Garden City, Hertfordshire
Understanding Recruitment
Salary: £25000 - £35000 per annum + benefits + bonus
Posted: 1 hour ago
Hemel Hempstead, Hertfordshire
Pro-Quest Resourcing Ltd
Salary: £30000 - £40000 Per Annum + benefits
Posted: 2 days ago
Harpenden, Hertfordshire
Oscar
Salary: £35000 - £45000 per annum + Additional benefits
Posted: 2 days ago
Stevenage, Hertfordshire
Oscar
Salary: £50000 - £70000 per annum + Benefits
Posted: 2 days ago
Watford, Hertfordshire
Oscar
Salary: £30000 - £50000 per annum + Benefits
Posted: 2 days ago
Hoddesdon, Hertfordshire
Oscar
Salary: £25000 - £40000 per annum + great benefits
Posted: 2 days ago
Hemel Hempstead, Hertfordshire
Pro-Quest Resourcing Ltd
Salary: £30000 - £35000 Per Annum + benefits
Posted: 3 days ago
St. Albans, Hertfordshire
MaxAd
Salary: £40000.00 per annum
Posted: 2 days ago
Watford, Hertfordshire
Senitor Associates
Salary: £30000 - £38000 per annum + Benefits
Posted: Yesterday
Letchworth Garden City, Hertfordshire
Ampersand Consulting
Salary: £45000 per annum + Fantastic Benefits
Posted: 2 days ago
Watford, Hertfordshire
Oscar
Salary: £30000 - £42000 per annum + Benefits
Posted: 2 days ago
Watford, Hertfordshire
Capita Resourcing - IT Resourcing
Salary: £45000 - £55000 per annum + Bonus, Benefits
Posted: 2 days ago
Hertfordshire
Verticality Ltd
Salary: £55000 - £65000 per annum, Benefits Bonus + Comprehensive Benefits
Posted: 2 days ago
Watford, Hertfordshire
Verticality Ltd
Salary: £55000 - £65000 per annum, Benefits Bonus + Excellent Benefits Package
Posted: 2 days ago
St. Albans, Hertfordshire
MaxAd
Salary: £45000.00 - £50000.00 per annum
Posted: 2 days ago
Hertfordshire
Oscar
Salary: £30000 - £40000 per annum + Benefits
Posted: 2 days ago
Letchworth Garden City, Hertfordshire
Understanding Recruitment
Salary: £40000 - £45000 per annum + be - pension, flexibens
Posted: 6 days ago
Harpenden, Hertfordshire
Understanding Recruitment
Salary: £35000.00 - £45000 per annum + benefits
Posted: 6 days ago
Watford, Hertfordshire
Venturi
Salary: £30000 - £40000 per annum
Posted: 5 days ago
Borehamwood, Hertfordshire
IT Connections
Salary: £35,000 to £45,000 + 20% Bonus
Posted: 5 days ago
St. Albans, Hertfordshire
Exposed Solutions
Salary: £40000 - £50000 per annum
Posted: 5 days ago
Broxbourne, Hertfordshire
Evolution Recruitment Solutions
Salary: 25-35K DOE + Excellent Benefits
Posted: 4 days ago
Hertford, Hertfordshire
Understanding Recruitment
Salary: £30000.00 - £35000.00 per annum + benefits
Posted: 6 days ago
St. Albans, Hertfordshire
Oscar
Salary: £40000 - £55000 per annum + Benefits
Posted: 5 days ago
Broxbourne, Hertfordshire
Evolution Recruitment Solutions
Salary: 40-50K + Excellent Benefits
Posted: 5 days ago
St. Albans, Hertfordshire
Client Server
Salary: £35k to £45k + bonus + benefits
Posted: 6 days ago
Bishop's Stortford, Hertfordshire
Evolution Recruitment Solutions
Salary: up to 55k + benefits
Posted: 6 days ago
Stevenage, Hertfordshire
Understanding Recruitment
Salary: £50000 - £60000 per annum + benefits
Posted: 6 days ago