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

JavaScript (including ECMAScript)
East of England > Hertfordshire
6 months to
22 Apr 2018
Same period 2017 Same period 2016
Rank 8 8 18
Rank change year-on-year 0 +10 -8
Permanent jobs citing JavaScript 782 744 521
As % of all permanent IT jobs advertised in Hertfordshire 15.82% 16.84% 10.42%
As % of the Programming Languages category 30.79% 33.63% 25.46%
Number of salaries quoted 710 734 509
Hertfordshire median annual salary £50,000 £42,500 £45,000
Median salary % change year-on-year +17.65% -5.56% -
10th Percentile £33,500 £30,000 £31,000
90th Percentile £67,500 £68,750 £70,000
East of England median annual salary £45,000 £42,500 £42,500
% change year-on-year +5.88% - +6.25%

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 2,540 2,212 2,046
As % of all permanent IT jobs advertised in Hertfordshire 51.40% 50.08% 40.91%
Number of salaries quoted 2,159 1,921 1,703
Hertfordshire median annual salary £50,000 £47,500 £45,000
Median salary % change year-on-year +5.26% +5.56% -
10th Percentile £31,250 £30,000 £27,500
90th Percentile £71,250 £70,000 £67,500
East of England median annual salary £50,000 £45,000 £42,500
% change year-on-year +11.11% +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 April 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 April 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 +4 192 £52,500 +25.00% 22
St Albans +5 135 £52,500 +5.00% 17
Hatfield +11 95 £57,500 -4.17% 3
Hemel Hempstead -1 88 £45,000 +5.88% 12
Harpenden +13 30 £45,000 +5.88%
Bishop's Stortford -1 30 £37,500 -31.82% 4
Rickmansworth -2 30 £52,500 +31.25% 3
Stevenage -5 27 £40,000 -15.79% 5
Borehamwood +2 17 £50,000 +33.33% 1
Potters Bar +6 13 £45,000 +9.09% 3
Hitchin 0 13 £35,000 -12.50% 5
Letchworth -12 11 £35,000 -12.50%
Welwyn Garden City -44 10 £60,000 +84.62% 2
Radlett - 7 £60,000 -
Berkhamsted 0 4 £50,000 -28.57%
Tring -8 3 £37,500 -11.76%
Ware -1 1 £27,500 -54.17%
Royston -7 1 £40,000 -11.11% 2
Hertford -18 1 £45,000 +38.46%
JavaScript
East of England

For the 6 months to 22 April 2018, IT jobs citing JavaScript also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the Hertfordshire region with a requirement for JavaScript.

1 537 (68.67%) HTML
2 432 (55.24%) CSS
3 376 (48.08%) Agile Software Development
4 374 (47.83%) C#
5 357 (45.65%) .NET
6 326 (41.69%) AngularJS
7 318 (40.66%) SQL
8 298 (38.11%) Java
9 253 (32.35%) MVC
10 249 (31.84%) ASP.NET
11 220 (28.13%) Git (software)
12 215 (27.49%) jQuery
13 213 (27.24%) HTML5
14 160 (20.46%) TDD
14 160 (20.46%) React
15 146 (18.67%) Scrum
16 141 (18.03%) SQL Server
17 140 (17.90%) Finance
18 138 (17.65%) Web Development
19 137 (17.52%) XML
20 132 (16.88%) ASP.NET MVC
21 121 (15.47%) Software Engineering
22 113 (14.45%) Node.js
23 108 (13.81%) CSS3
23 108 (13.81%) Front End Development
24 105 (13.43%) OO
25 104 (13.30%) Problem-Solving
26 102 (13.04%) Web Services
27 97 (12.40%) .NET Framework
28 94 (12.02%) ASP.NET Web API

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 42 (5.37%) Tomcat
2 35 (4.48%) Oracle SOA Suite
2 35 (4.48%) SharePoint
3 31 (3.96%) Confluence
4 30 (3.84%) Oracle Service Bus
5 29 (3.71%) CMS
6 25 (3.20%) WebSphere
7 24 (3.07%) Apache
8 23 (2.94%) Elasticsearch
9 16 (2.05%) NServiceBus
10 14 (1.79%) Adobe Experience Manager
10 14 (1.79%) WebSphere Application Server
11 10 (1.28%) Umbraco
12 8 (1.02%) IIS
12 8 (1.02%) JBoss
13 7 (0.90%) MQSeries
13 7 (0.90%) WebLogic
14 3 (0.38%) WordPress
15 2 (0.26%) CoreMedia CMS
15 2 (0.26%) SugarCRM
Applications
1 9 (1.15%) Chatbot
2 4 (0.51%) InVision
2 4 (0.51%) Photoshop
3 3 (0.38%) GIMP
3 3 (0.38%) Microsoft Office
4 2 (0.26%) MS Visio
5 1 (0.13%) Acrobat
5 1 (0.13%) Microsoft Excel
5 1 (0.13%) Microsoft Project
5 1 (0.13%) Spreadsheet
Business Applications
1 12 (1.53%) Magento
2 9 (1.15%) Dynamics CRM
3 5 (0.64%) SAP Hybris
4 4 (0.51%) Maximo
4 4 (0.51%) Payment Gateway
5 2 (0.26%) Fredhopper
6 1 (0.13%) NetSuite
6 1 (0.13%) Oracle Financials
6 1 (0.13%) Shopify
6 1 (0.13%) WebTrends
Cloud Services
1 87 (11.13%) Amazon AWS
2 59 (7.54%) Microsoft Azure
3 36 (4.60%) SaaS
4 28 (3.58%) npm
4 28 (3.58%) Office 365
5 6 (0.77%) Amazon EC2
6 5 (0.64%) AWS Lambda
6 5 (0.64%) GitHub
6 5 (0.64%) Serverless
7 4 (0.51%) Adobe Creative Cloud
7 4 (0.51%) AWS CloudFormation
7 4 (0.51%) Dynamics 365
7 4 (0.51%) Google Drive
8 3 (0.38%) Amazon S3
8 3 (0.38%) Force.com
8 3 (0.38%) Heroku
9 2 (0.26%) Amazon SQS
9 2 (0.26%) AWS Elastic Beanstalk
9 2 (0.26%) CloudFront
9 2 (0.26%) Virtual Private Cloud
Communications & Networking
1 30 (3.84%) HTTP
2 24 (3.07%) VPN
3 18 (2.30%) Internet
4 12 (1.53%) SSL
5 11 (1.41%) DNS
6 10 (1.28%) SMTP
7 9 (1.15%) SMS
8 8 (1.02%) TCP/IP
9 6 (0.77%) Skype
10 5 (0.64%) SNMP
11 2 (0.26%) Broadband
11 2 (0.26%) IMAP
12 1 (0.13%) VoIP
Database & Business Intelligence
1 141 (18.03%) SQL Server
2 35 (4.48%) MongoDB
3 34 (4.35%) MySQL
4 32 (4.09%) NoSQL
4 32 (4.09%) Redis
5 31 (3.96%) Relational Database
6 17 (2.17%) SQL Server Integration Services
7 16 (2.05%) PostgreSQL
8 14 (1.79%) SQL Server 2008
9 12 (1.53%) Oracle Database
10 11 (1.41%) Oracle Database 12c
10 11 (1.41%) SQL Server 2012
11 10 (1.28%) DB2
12 9 (1.15%) RDBMS
13 8 (1.02%) Big Data
13 8 (1.02%) Spotfire
13 8 (1.02%) SQL Server 2016
13 8 (1.02%) SQL Server Reporting Services
14 7 (0.90%) Amazon DynamoDB
14 7 (0.90%) Jackrabbit
Development Applications
1 220 (28.13%) Git (software)
2 63 (8.06%) Maven
3 60 (7.67%) Selenium
4 55 (7.03%) Jasmine
5 54 (6.91%) gulp
6 52 (6.65%) JIRA
7 46 (5.88%) Karma Test Runner
8 44 (5.63%) Subversion
9 42 (5.37%) Jenkins
10 33 (4.22%) NUnit
11 32 (4.09%) Visual Studio
11 32 (4.09%) webpack
12 30 (3.84%) Team Foundation Server
13 26 (3.32%) VSS/SourceSafe
13 26 (3.32%) WebDriver
14 24 (3.07%) MSTest
15 22 (2.81%) JUnit
16 20 (2.56%) Grunt
16 20 (2.56%) TeamCity
17 19 (2.43%) Gradle
General
1 140 (17.90%) Finance
2 54 (6.91%) Retail
3 42 (5.37%) Marketing
4 40 (5.12%) Advertising
5 17 (2.17%) Games
5 17 (2.17%) Legal
6 13 (1.66%) Automotive
7 8 (1.02%) Banking
7 8 (1.02%) Telecoms
8 4 (0.51%) Back Office
8 4 (0.51%) Publishing
9 3 (0.38%) Pharmaceutical
10 1 (0.13%) French Language
10 1 (0.13%) Local Government
10 1 (0.13%) Multimedia
Job Titles
1 640 (81.84%) Developer
2 188 (24.04%) .NET Developer
3 148 (18.93%) C# Developer
4 141 (18.03%) Java Developer
5 114 (14.58%) JavaScript Developer
6 104 (13.30%) Senior Developer
7 97 (12.40%) Front End Developer (Client-Side Developer)
8 93 (11.89%) C# .NET Developer
9 77 (9.85%) Software Developer
10 50 (6.39%) Java Engineer
11 47 (6.01%) Senior .NET Developer
12 46 (5.88%) Web Developer
13 45 (5.75%) ASP.NET Developer
14 44 (5.63%) Full Stack Developer
14 44 (5.63%) Lead Developer
14 44 (5.63%) Senior C# Developer
15 43 (5.50%) C# ASP.NET Developer
15 43 (5.50%) Software Engineer
16 41 (5.24%) Junior
17 40 (5.12%) SQL Developer
Libraries, Frameworks & Software Standards
1 537 (68.67%) HTML
2 432 (55.24%) CSS
3 357 (45.65%) .NET
4 326 (41.69%) AngularJS
5 249 (31.84%) ASP.NET
6 215 (27.49%) jQuery
7 213 (27.24%) HTML5
8 160 (20.46%) React
9 137 (17.52%) XML
10 132 (16.88%) ASP.NET MVC
11 113 (14.45%) Node.js
12 108 (13.81%) CSS3
13 102 (13.04%) Web Services
14 97 (12.40%) .NET Framework
15 94 (12.02%) ASP.NET Web API
16 90 (11.51%) Spring
17 84 (10.74%) Twitter Bootstrap
18 74 (9.46%) Sass
19 67 (8.57%) RESTful
20 58 (7.42%) REST
Miscellaneous
1 92 (11.76%) Computer Science
2 78 (9.97%) User Experience
3 55 (7.03%) Analytical Skills
4 48 (6.14%) Mobile App
5 34 (4.35%) Robotics
6 28 (3.58%) Greenfield Project
6 28 (3.58%) Media Streaming
7 27 (3.45%) Enterprise Software
8 18 (2.30%) Fintech
9 12 (1.53%) Self-Motivation
10 7 (0.90%) Acoustics
10 7 (0.90%) Public Cloud
10 7 (0.90%) Spread Betting
11 6 (0.77%) Life Science
11 6 (0.77%) Management Information System
11 6 (0.77%) Private Cloud
12 5 (0.64%) Security Operations Centre
13 4 (0.51%) Driving Licence
13 4 (0.51%) Online Games
13 4 (0.51%) Social Media
Operating Systems
1 91 (11.64%) Linux
2 86 (11.00%) Windows
3 59 (7.54%) Unix
4 28 (3.58%) Windows Server
5 10 (1.28%) Android
5 10 (1.28%) HPUX
5 10 (1.28%) Solaris
6 5 (0.64%) Windows Server 2012
7 4 (0.51%) Windows Server 2008
8 3 (0.38%) AIX
9 2 (0.26%) Apple iOS
9 2 (0.26%) CentOS
9 2 (0.26%) Ubuntu
Processes & Methodologies
1 376 (48.08%) Agile Software Development
2 253 (32.35%) MVC
3 160 (20.46%) TDD
4 146 (18.67%) Scrum
5 138 (17.65%) Web Development
6 121 (15.47%) Software Engineering
7 108 (13.81%) Front End Development
8 105 (13.43%) OO
9 104 (13.30%) Problem-Solving
10 87 (11.13%) E-Commerce
11 81 (10.36%) DevOps
12 68 (8.70%) SDLC
13 67 (8.57%) Test Automation
14 60 (7.67%) Continuous Integration
15 57 (7.29%) Open Source
16 54 (6.91%) SOA
17 50 (6.39%) Continuous Improvement
18 46 (5.88%) CRM
19 45 (5.75%) Mathematics
20 41 (5.24%) OOP
Programming Languages
1 374 (47.83%) C#
2 318 (40.66%) SQL
3 298 (38.11%) Java
4 77 (9.85%) Python
5 66 (8.44%) TypeScript
6 62 (7.93%) PHP
7 54 (6.91%) ES6
8 53 (6.78%) PowerShell
9 39 (4.99%) Bash Shell
10 35 (4.48%) Perl
10 35 (4.48%) VB.NET
11 33 (4.22%) Apex Code
11 33 (4.22%) VBA
12 29 (3.71%) C++
13 26 (3.32%) T-SQL
14 21 (2.69%) Ruby
15 17 (2.17%) Scala
16 14 (1.79%) Java 8
17 11 (1.41%) Groovy
17 11 (1.41%) PL/SQL
Qualifications
1 91 (11.64%) Degree
2 68 (8.70%) Computer Science Degree
3 9 (1.15%) HND
4 5 (0.64%) Security Cleared
5 2 (0.26%) Numerate Degree
5 2 (0.26%) PMI Certification
5 2 (0.26%) SC Cleared
Quality Assurance & Compliance
1 69 (8.82%) QA
2 8 (1.02%) SLA
3 1 (0.13%) Sarbanes-Oxley
System Software
1 22 (2.81%) Docker
2 20 (2.56%) Virtual Machines
Systems Management
1 24 (3.07%) Ansible
2 17 (2.17%) Consul
3 14 (1.79%) Graphite
4 12 (1.53%) Puppet
5 7 (0.90%) Opscode Chef
6 2 (0.26%) Kubernetes
Vendors
1 85 (10.87%) Oracle
2 79 (10.10%) Microsoft
3 52 (6.65%) Salesforce.com
4 34 (4.35%) Xamarin
5 24 (3.07%) Citrix
6 21 (2.69%) Veeam
6 21 (2.69%) VMware
7 19 (2.43%) Sitecore
8 15 (1.92%) IBM
9 13 (1.66%) hybris
10 10 (1.28%) Twobo
11 9 (1.15%) Blue Martini
11 9 (1.15%) Demandware
11 9 (1.15%) Elastic Path
11 9 (1.15%) Google
11 9 (1.15%) Splunk
12 8 (1.02%) Red Hat
12 8 (1.02%) Tableau
13 7 (0.90%) Adobe
13 7 (0.90%) TIBCO