Period
to 22 January 2018

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 22 January 2018 with a comparison to the same period in the previous 2 years.

JavaScript (including ECMAScript)
East of England > Hertfordshire
6 months to
22 Jan 2018
Same period 2017 Same period 2016
Rank 9 8 12
Rank change year-on-year -1 +4 0
Permanent jobs citing JavaScript 726 620 671
As % of all permanent IT jobs advertised in Hertfordshire 15.98% 14.15% 13.35%
As % of the Programming Languages category 30.47% 28.32% 29.74%
Number of salaries quoted 662 629 704
Hertfordshire median annual salary £47,500 £42,500 £45,000
Median salary % change year-on-year +11.76% -5.56% +5.88%
10th Percentile £31,250 £27,500 £28,750
90th Percentile £66,250 £62,500 £65,000
East of England median annual salary £45,000 £40,000 £40,500
% change year-on-year +12.50% -1.23% +1.25%

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 2,383 2,189 2,256
As % of all permanent IT jobs advertised in Hertfordshire 52.44% 49.97% 44.89%
Number of salaries quoted 2,077 1,873 1,971
Hertfordshire median annual salary £50,000 £47,500 £45,000
Median salary % change year-on-year +5.26% +5.56% -
10th Percentile £31,250 £29,250 £27,000
90th Percentile £68,600 £67,500 £67,500
East of England median annual salary £47,500 £45,000 £42,500
% change year-on-year +5.56% +5.88% -

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 22 January 2018.

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 22 January 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Watford +6 176 £50,000 +17.65% 20
St Albans +12 139 £50,000 +17.65% 26
Hemel Hempstead -2 84 £45,000 +28.57% 19
Hatfield +5 57 £57,500 +27.78% 6
Stevenage -1 45 £40,000 -15.79% 7
Rickmansworth 0 30 £52,500 -2.33% 2
Bishop's Stortford -6 27 £35,000 -36.36% 4
Letchworth -1 21 £30,000 -25.00% 1
Harpenden -2 18 £45,000 +5.88% 4
Welwyn Garden City -16 18 £36,000 +10.77%
Hitchin 0 13 £35,000 +1.45% 1
Borehamwood -10 13 £50,000 +42.86% 1
Radlett - 9 £42,500 -
Kings Langley -1 7 £32,500 -15.58%
Hertford -11 7 £45,000 +38.46% 4
Broxbourne +1 4 £45,000 -5.26%
Baldock - 4 £27,250 -
Potters Bar +7 3 £45,000 +9.09% 1
Berkhamsted -1 2 £32,500 -15.58%
Tring -7 2 £32,500 -23.53%
Royston +2 1 £40,000 -
JavaScript
East of England

For the 6 months to 22 January 2018, 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.

1 532 (73.28%) HTML
2 439 (60.47%) CSS
3 364 (50.14%) C#
4 345 (47.52%) .NET
5 336 (46.28%) Agile Software Development
6 262 (36.09%) AngularJS
7 247 (34.02%) SQL
8 237 (32.64%) Java
9 236 (32.51%) MVC
10 227 (31.27%) ASP.NET
11 219 (30.17%) jQuery
12 172 (23.69%) Git (software)
13 157 (21.63%) SQL Server
14 147 (20.25%) HTML5
15 141 (19.42%) Scrum
16 138 (19.01%) XML
17 134 (18.46%) Web Development
18 132 (18.18%) Web Services
18 132 (18.18%) TDD
19 127 (17.49%) ASP.NET MVC
20 124 (17.08%) Finance
21 120 (16.53%) Degree
22 116 (15.98%) Software Engineering
23 108 (14.88%) ASP.NET Web API
24 100 (13.77%) OO
24 100 (13.77%) Computer Science
25 96 (13.22%) React
26 89 (12.26%) Node.js
27 81 (11.16%) Linux
28 77 (10.61%) Microsoft

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 44 (6.06%) CMS
2 35 (4.82%) Tomcat
3 31 (4.27%) Elasticsearch
4 29 (3.99%) SharePoint
5 27 (3.72%) Umbraco
6 25 (3.44%) Confluence
7 22 (3.03%) Apache
8 17 (2.34%) IIS
8 17 (2.34%) NServiceBus
9 16 (2.20%) Oracle SOA Suite
10 11 (1.52%) WordPress
11 9 (1.24%) Oracle Service Bus
12 8 (1.10%) Adobe Experience Manager
12 8 (1.10%) WebSphere
13 5 (0.69%) JBoss
14 4 (0.55%) WebLogic
14 4 (0.55%) WebSphere Application Server
15 3 (0.41%) MQSeries
16 2 (0.28%) DNN
16 2 (0.28%) SugarCRM
Applications
1 15 (2.07%) Microsoft Office
2 6 (0.83%) Microsoft Excel
3 4 (0.55%) Photoshop
4 3 (0.41%) Adobe Illustrator
5 2 (0.28%) MS Visio
6 1 (0.14%) Acrobat
6 1 (0.14%) Microsoft Project
Business Applications
1 6 (0.83%) Magento
2 4 (0.55%) Dynamics CRM
3 3 (0.41%) Payment Gateway
4 2 (0.28%) SAP Hybris
5 1 (0.14%) NetSuite
5 1 (0.14%) WebTrends
Cloud Services
1 63 (8.68%) Amazon AWS
2 62 (8.54%) Microsoft Azure
3 26 (3.58%) Office 365
4 17 (2.34%) SaaS
5 16 (2.20%) npm
6 4 (0.55%) Amazon SQS
6 4 (0.55%) GitHub
7 3 (0.41%) Heroku
7 3 (0.41%) TestFlight
8 2 (0.28%) Amazon ElastiCache
8 2 (0.28%) Amazon S3
8 2 (0.28%) AWS CloudFormation
8 2 (0.28%) AWS Elastic Beanstalk
8 2 (0.28%) AWS Lambda
8 2 (0.28%) CloudFront
8 2 (0.28%) Route 53
8 2 (0.28%) Serverless
9 1 (0.14%) AdWords
9 1 (0.14%) Amazon EC2
9 1 (0.14%) Dynamics 365
Communications & Networking
1 37 (5.10%) HTTP
2 16 (2.20%) VPN
3 14 (1.93%) TCP/IP
4 13 (1.79%) DNS
4 13 (1.79%) Internet
5 12 (1.65%) SMTP
6 7 (0.96%) Intranet
7 6 (0.83%) Skype
8 5 (0.69%) SNMP
9 3 (0.41%) IMAP
10 2 (0.28%) SSL
10 2 (0.28%) VoIP
Database & Business Intelligence
1 157 (21.63%) SQL Server
2 49 (6.75%) Redis
3 45 (6.20%) NoSQL
4 43 (5.92%) MySQL
5 31 (4.27%) MongoDB
6 29 (3.99%) Relational Database
7 20 (2.75%) Spotfire
8 16 (2.20%) SQL Server 2008
9 15 (2.07%) SQL Server 2012
10 11 (1.52%) PostgreSQL
11 9 (1.24%) SQL Server 2016
11 9 (1.24%) SQL Server Reporting Services
12 6 (0.83%) SQL Server 2005
13 5 (0.69%) Big Data
13 5 (0.69%) DB2
13 5 (0.69%) MarkLogic
14 4 (0.55%) Amazon DynamoDB
14 4 (0.55%) QlikView
15 3 (0.41%) SQL Server Integration Services
15 3 (0.41%) Sybase ASE
Development Applications
1 172 (23.69%) Git (software)
2 53 (7.30%) Selenium
3 52 (7.16%) Maven
4 46 (6.34%) Visual Studio
5 39 (5.37%) Team Foundation Server
6 36 (4.96%) Jasmine
6 36 (4.96%) Jenkins
6 36 (4.96%) JIRA
7 35 (4.82%) NUnit
8 31 (4.27%) Subversion
9 29 (3.99%) JUnit
10 27 (3.72%) gulp
11 25 (3.44%) Karma Test Runner
12 21 (2.89%) Eclipse
13 20 (2.75%) Moq
14 19 (2.62%) Grunt
15 18 (2.48%) VSS/SourceSafe
15 18 (2.48%) webpack
16 16 (2.20%) WebDriver
17 15 (2.07%) MSTest
General
1 124 (17.08%) Finance
2 44 (6.06%) Retail
3 37 (5.10%) Marketing
4 19 (2.62%) Games
5 17 (2.34%) Advertising
6 11 (1.52%) Legal
7 10 (1.38%) Automotive
8 8 (1.10%) Telecoms
9 7 (0.96%) Publishing
10 5 (0.69%) Financial Institution
11 4 (0.55%) Electronics
12 3 (0.41%) Pharmaceutical
13 1 (0.14%) French Language
13 1 (0.14%) Local Government
Job Titles
1 585 (80.58%) Developer
2 176 (24.24%) .NET Developer
3 125 (17.22%) Senior Developer
4 120 (16.53%) Java Developer
5 115 (15.84%) C# Developer
6 81 (11.16%) JavaScript Developer
7 60 (8.26%) C# .NET Developer
8 58 (7.99%) Software Developer
9 54 (7.44%) Web Developer
10 49 (6.75%) Senior .NET Developer
11 47 (6.47%) Junior
12 39 (5.37%) Junior Developer
13 38 (5.23%) Front End Developer (Client-Side Developer)
14 37 (5.10%) Senior C# Developer
15 34 (4.68%) Lead Developer
16 33 (4.55%) ASP.NET Developer
17 32 (4.41%) ASP.NET MVC Developer
18 31 (4.27%) Java Engineer
18 31 (4.27%) Software Engineer
19 30 (4.13%) Full Stack Developer
Libraries, Frameworks & Software Standards
1 532 (73.28%) HTML
2 439 (60.47%) CSS
3 345 (47.52%) .NET
4 262 (36.09%) AngularJS
5 227 (31.27%) ASP.NET
6 219 (30.17%) jQuery
7 147 (20.25%) HTML5
8 138 (19.01%) XML
9 132 (18.18%) Web Services
10 127 (17.49%) ASP.NET MVC
11 108 (14.88%) ASP.NET Web API
12 96 (13.22%) React
13 89 (12.26%) Node.js
14 75 (10.33%) CSS3
14 75 (10.33%) RabbitMQ
15 74 (10.19%) .NET Framework
16 73 (10.06%) Twitter Bootstrap
17 63 (8.68%) REST
18 61 (8.40%) RESTful
18 61 (8.40%) Spring
Miscellaneous
1 100 (13.77%) Computer Science
2 65 (8.95%) Analytical Skills
3 35 (4.82%) User Experience
4 31 (4.27%) Greenfield Project
5 29 (3.99%) Mobile App
6 28 (3.86%) Fintech
7 20 (2.75%) Enterprise Software
8 18 (2.48%) Robotics
9 16 (2.20%) Media Streaming
10 10 (1.38%) Spread Betting
11 8 (1.10%) Acoustics
12 7 (0.96%) Driving Licence
12 7 (0.96%) Life Science
13 6 (0.83%) Management Information System
13 6 (0.83%) Virtual Team
14 5 (0.69%) Online Games
14 5 (0.69%) Public Cloud
14 5 (0.69%) Renewable Energy
14 5 (0.69%) Security Operations Centre
15 3 (0.41%) PMI
Operating Systems
1 81 (11.16%) Linux
2 73 (10.06%) Windows
3 46 (6.34%) Unix
4 22 (3.03%) Windows Server
5 6 (0.83%) Android
5 6 (0.83%) HPUX
5 6 (0.83%) Solaris
6 5 (0.69%) Windows Server 2008
6 5 (0.69%) Windows Server 2012
7 3 (0.41%) AIX
8 2 (0.28%) Apple iOS
8 2 (0.28%) CentOS
8 2 (0.28%) Ubuntu
9 1 (0.14%) Mac OS X
Processes & Methodologies
1 336 (46.28%) Agile Software Development
2 236 (32.51%) MVC
3 141 (19.42%) Scrum
4 134 (18.46%) Web Development
5 132 (18.18%) TDD
6 116 (15.98%) Software Engineering
7 100 (13.77%) OO
8 75 (10.33%) DevOps
9 65 (8.95%) Mathematics
10 53 (7.30%) E-Commerce
11 52 (7.16%) SOA
12 48 (6.61%) Open Source
13 47 (6.47%) Test Automation
14 46 (6.34%) BDD
15 43 (5.92%) CRM
15 43 (5.92%) Front End Development
15 43 (5.92%) SDLC
16 42 (5.79%) Business Intelligence
16 42 (5.79%) Unit Testing
17 41 (5.65%) Continuous Improvement
Programming Languages
1 364 (50.14%) C#
2 247 (34.02%) SQL
3 237 (32.64%) Java
4 74 (10.19%) Python
4 74 (10.19%) TypeScript
5 60 (8.26%) PHP
6 57 (7.85%) PowerShell
7 38 (5.23%) T-SQL
8 32 (4.41%) C++
8 32 (4.41%) ES6
9 30 (4.13%) VB.NET
10 29 (3.99%) Bash Shell
11 25 (3.44%) Perl
12 23 (3.17%) VBA
13 20 (2.75%) Ruby
14 13 (1.79%) Apex Code
14 13 (1.79%) VB
15 11 (1.52%) Scala
16 10 (1.38%) Groovy
16 10 (1.38%) VB6
Qualifications
1 120 (16.53%) Degree
2 66 (9.09%) Computer Science Degree
3 5 (0.69%) Security Cleared
4 3 (0.41%) HND
4 3 (0.41%) PMI Certification
5 2 (0.28%) Numerate Degree
6 1 (0.14%) MBA
6 1 (0.14%) Microsoft Certification
6 1 (0.14%) PMP
Quality Assurance & Compliance
1 53 (7.30%) QA
2 5 (0.69%) SLA
3 2 (0.28%) DICOM
3 2 (0.28%) HL7
System Software
1 14 (1.93%) Virtual Machines
2 13 (1.79%) Docker
3 3 (0.41%) VMware Infrastructure
4 1 (0.14%) Active Directory
Systems Management
1 28 (3.86%) Consul
2 17 (2.34%) Graphite
3 16 (2.20%) Ansible
4 9 (1.24%) Opscode Chef
5 8 (1.10%) Puppet
6 2 (0.28%) Kubernetes
7 1 (0.14%) WMI
Vendors
1 77 (10.61%) Microsoft
2 73 (10.06%) Oracle
3 27 (3.72%) Salesforce.com
4 20 (2.75%) Tableau
5 19 (2.62%) Xamarin
6 16 (2.20%) Citrix
7 15 (2.07%) Sitecore
8 14 (1.93%) Veeam
8 14 (1.93%) VMware
9 13 (1.79%) TIBCO
10 10 (1.38%) Splunk
11 9 (1.24%) Red Hat
12 6 (0.83%) Ab Initio
12 6 (0.83%) Adobe
12 6 (0.83%) Google
12 6 (0.83%) Progress
13 5 (0.69%) Sun
13 5 (0.69%) Talend
14 4 (0.55%) IBM
14 4 (0.55%) SAP