Period
to 21 October 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 21 October 2018 with a comparison to the same period in the previous 2 years.

JavaScript (including ECMAScript)
East of England > Hertfordshire
6 months to
21 Oct 2018
Same period 2017 Same period 2016
Rank 8 7 14
Rank change year-on-year -1 +7 -4
Permanent jobs citing JavaScript 605 696 517
As % of all permanent IT jobs advertised in Hertfordshire 15.10% 16.60% 11.78%
As % of the Programming Languages category 29.82% 31.32% 25.42%
Number of salaries quoted 546 646 493
Hertfordshire median annual salary £50,000 £45,000 £45,000
Median salary % change year-on-year +11.11% - -
10th Percentile £30,000 £31,250 £30,000
90th Percentile £66,875 £66,250 £65,000
East of England median annual salary £45,000 £45,000 £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 2,029 2,222 2,034
As % of all permanent IT jobs advertised in Hertfordshire 50.64% 52.99% 46.34%
Number of salaries quoted 1,710 1,938 1,742
Hertfordshire median annual salary £50,000 £47,500 £47,500
Median salary % change year-on-year +5.26% - +5.56%
10th Percentile £31,250 £31,250 £29,000
90th Percentile £72,500 £67,500 £68,750
East of England median annual salary £47,500 £45,000 £45,000
% 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 21 October 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 21 October 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 0 195 £50,000 - 17
St Albans -4 96 £55,000 +10.00% 10
Hemel Hempstead +7 71 £45,000 +12.50% 3
Rickmansworth +2 21 £55,000 +44.74% 3
Borehamwood +18 18 £42,500 +21.43% 2
Potters Bar +7 17 £60,000 +33.33% 1
Stevenage -9 17 £42,500 +6.25% 8
Hatfield -21 17 £57,500 +4.55% 3
Welwyn Garden City -31 15 £55,000 +14.58% 6
Harpenden - 14 £45,000 - 1
Broxbourne -6 13 £70,000 +55.56% 2
Hertford +2 11 £22,500 -52.63% 2
Bishop's Stortford +2 9 £35,000 -6.67% 13
Waltham Cross - 9 £47,500 - 7
Hitchin 0 4 £39,250 +4.67% 1
Radlett -2 4 £60,000 +50.00%
Welwyn - 3 £63,000 -
Baldock -3 2 £38,750 +42.20%
Berkhamsted -7 2 £55,000 +69.23% 4
Abbots Langley - 2 £58,750 - 4
Kings Langley -2 1 £29,000 -10.77% 2
Letchworth -9 1 - -
JavaScript
East of England

For the 6 months to 21 October 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.

1 368 (60.83%) HTML
2 334 (55.21%) CSS
3 316 (52.23%) .NET
4 310 (51.24%) C#
5 275 (45.45%) Agile Software Development
6 235 (38.84%) SQL
7 186 (30.74%) AngularJS
8 172 (28.43%) ASP.NET
9 160 (26.45%) MVC
10 149 (24.63%) SQL Server
11 144 (23.80%) Java
12 141 (23.31%) jQuery
13 139 (22.98%) TDD
14 112 (18.51%) Web Services
14 112 (18.51%) HTML5
15 97 (16.03%) XML
15 97 (16.03%) Microsoft
15 97 (16.03%) User Experience
16 91 (15.04%) .NET Framework
17 86 (14.21%) Web Development
18 84 (13.88%) Git (software)
19 82 (13.55%) Amazon AWS
20 81 (13.39%) Problem-Solving
21 79 (13.06%) React
22 76 (12.56%) Finance
23 75 (12.40%) Scrum
23 75 (12.40%) Degree
24 73 (12.07%) Front End Development
25 72 (11.90%) ASP.NET MVC
26 68 (11.24%) RESTful

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 33 (5.45%) SharePoint
2 20 (3.31%) CMS
3 16 (2.64%) Umbraco
4 15 (2.48%) Drupal
5 10 (1.65%) Tomcat
6 9 (1.49%) IIS
6 9 (1.49%) Oracle Service Bus
6 9 (1.49%) Oracle SOA Suite
7 8 (1.32%) WebSphere
8 7 (1.16%) JBoss
9 5 (0.83%) Elasticsearch
9 5 (0.83%) SharePoint 2013
10 4 (0.66%) Apache
10 4 (0.66%) NServiceBus
10 4 (0.66%) Sitecore CMS
11 1 (0.17%) Confluence
11 1 (0.17%) MQSeries
11 1 (0.17%) nginx
11 1 (0.17%) WebLogic
11 1 (0.17%) WebSphere Application Server
Applications
1 25 (4.13%) Photoshop
2 17 (2.81%) Microsoft Excel
3 13 (2.15%) Microsoft Project
4 8 (1.32%) Adobe Illustrator
5 7 (1.16%) Adobe Creative Suite
6 2 (0.33%) Chatbot
6 2 (0.33%) GIMP
7 1 (0.17%) InVision
7 1 (0.17%) Microsoft Office
Business Applications
1 28 (4.63%) Dynamics CRM
2 8 (1.32%) Dynamics NAV
3 4 (0.66%) Magento
4 3 (0.50%) SAP Hybris
5 2 (0.33%) SAP S/4HANA
6 1 (0.17%) Dynamics AX
6 1 (0.17%) JDE OneWorld
6 1 (0.17%) NetSuite
6 1 (0.17%) WebTrends
Cloud Services
1 82 (13.55%) Amazon AWS
2 64 (10.58%) Microsoft Azure
3 38 (6.28%) SaaS
4 23 (3.80%) Google Analytics
5 11 (1.82%) Amazon EC2
5 11 (1.82%) AWS Lambda
5 11 (1.82%) npm
5 11 (1.82%) Serverless
6 7 (1.16%) Office 365
7 4 (0.66%) Google Cloud Platform
8 3 (0.50%) Cloud Computing
8 3 (0.50%) GitHub
9 1 (0.17%) Azure Data Factory
9 1 (0.17%) Dynamics 365
9 1 (0.17%) G Suite
Communications & Networking
1 21 (3.47%) HTTP
2 12 (1.98%) TCP/IP
3 8 (1.32%) Internet
3 8 (1.32%) SSL
4 3 (0.50%) 802.11
4 3 (0.50%) DVB
4 3 (0.50%) Firewall
4 3 (0.50%) RTP
5 2 (0.33%) DNS
5 2 (0.33%) Skype
5 2 (0.33%) SMS
6 1 (0.17%) VPN
6 1 (0.17%) Wi-Fi
Database & Business Intelligence
1 149 (24.63%) SQL Server
2 34 (5.62%) Relational Database
3 29 (4.79%) MongoDB
4 27 (4.46%) MySQL
5 26 (4.30%) SQL Server Reporting Services
6 24 (3.97%) NoSQL
7 14 (2.31%) Crystal Reports
7 14 (2.31%) MS Access
8 11 (1.82%) Amazon DynamoDB
9 10 (1.65%) Oracle Database
9 10 (1.65%) RDBMS
9 10 (1.65%) SQL Server Integration Services
10 8 (1.32%) Oracle Database 12c
10 8 (1.32%) SQL Server 2008
11 7 (1.16%) PostgreSQL
12 6 (0.99%) Redis
12 6 (0.99%) SQL Server 2012
12 6 (0.99%) SQL Server 2014
13 4 (0.66%) Big Data
13 4 (0.66%) Sybase ASE
Development Applications
1 84 (13.88%) Git (software)
2 45 (7.44%) Visual Studio
3 38 (6.28%) NUnit
4 26 (4.30%) Team Foundation Server
5 25 (4.13%) StyleCop
6 23 (3.80%) JIRA
7 21 (3.47%) Subversion
8 19 (3.14%) Redmine
9 16 (2.64%) LabVIEW
10 14 (2.31%) gulp
10 14 (2.31%) Jasmine
10 14 (2.31%) webpack
11 13 (2.15%) Grunt
11 13 (2.15%) Karma Test Runner
12 10 (1.65%) Maven
13 8 (1.32%) Octopus Deploy
14 7 (1.16%) Jenkins
14 7 (1.16%) Selenium
15 6 (0.99%) Bitbucket
16 5 (0.83%) Gradle
General
1 76 (12.56%) Finance
2 50 (8.26%) Retail
3 27 (4.46%) Banking
4 26 (4.30%) Back Office
5 16 (2.64%) Marketing
6 13 (2.15%) Legal
7 6 (0.99%) Automotive
7 6 (0.99%) Telecoms
8 5 (0.83%) Games
8 5 (0.83%) Pharmaceutical
9 4 (0.66%) Advertising
10 3 (0.50%) Multimedia
11 1 (0.17%) Financial Institution
11 1 (0.17%) Investment Banking
11 1 (0.17%) Manufacturing
Job Titles
1 429 (70.91%) Developer
2 173 (28.60%) .NET Developer
3 118 (19.50%) C# Developer
4 81 (13.39%) C# .NET Developer
5 72 (11.90%) Full Stack Developer
6 67 (11.07%) ASP.NET Developer
7 65 (10.74%) Senior Developer
8 58 (9.59%) Front End Developer (Client-Side Developer)
9 57 (9.42%) C# ASP.NET Developer
10 55 (9.09%) Consultant
11 52 (8.60%) Software Developer
12 51 (8.43%) Java Developer
13 41 (6.78%) Software Engineer
14 39 (6.45%) Junior
15 38 (6.28%) JavaScript Developer
16 32 (5.29%) Implementation Consultant
17 30 (4.96%) Angular Developer
18 28 (4.63%) Senior .NET Developer
19 24 (3.97%) Software Consultant
20 23 (3.80%) Junior Developer
Libraries, Frameworks & Software Standards
1 368 (60.83%) HTML
2 334 (55.21%) CSS
3 316 (52.23%) .NET
4 186 (30.74%) AngularJS
5 172 (28.43%) ASP.NET
6 141 (23.31%) jQuery
7 112 (18.51%) HTML5
7 112 (18.51%) Web Services
8 97 (16.03%) XML
9 91 (15.04%) .NET Framework
10 79 (13.06%) React
11 72 (11.90%) ASP.NET MVC
12 68 (11.24%) RESTful
13 58 (9.59%) Node.js
14 55 (9.09%) Sass
15 54 (8.93%) REST
16 51 (8.43%) Entity Framework
17 44 (7.27%) WCF
18 42 (6.94%) CSS3
19 36 (5.95%) Apache Flex
Miscellaneous
1 97 (16.03%) User Experience
2 59 (9.75%) Greenfield Project
3 54 (8.93%) Analytical Skills
4 52 (8.60%) Computer Science
4 52 (8.60%) Enterprise Software
5 27 (4.46%) Mobile App
6 25 (4.13%) Robotics
7 11 (1.82%) Fintech
7 11 (1.82%) Media Streaming
8 6 (0.99%) Driving Licence
8 6 (0.99%) Photography
9 5 (0.83%) Private Cloud
10 4 (0.66%) Algorithms
10 4 (0.66%) Self-Motivation
11 3 (0.50%) iPhone
11 3 (0.50%) MPEG
11 3 (0.50%) Video\Live Streaming
12 2 (0.33%) N-Tier
12 2 (0.33%) Smartphone
12 2 (0.33%) W3C
Operating Systems
1 43 (7.11%) Windows
2 34 (5.62%) Linux
3 27 (4.46%) Windows Server
4 23 (3.80%) Android
5 13 (2.15%) Apple iOS
6 10 (1.65%) Unix
7 3 (0.50%) CentOS
7 3 (0.50%) Ubuntu
7 3 (0.50%) Windows Server 2012
8 2 (0.33%) Windows Phone
9 1 (0.17%) HPUX
9 1 (0.17%) Solaris
9 1 (0.17%) Windows 10
9 1 (0.17%) Windows 8
Processes & Methodologies
1 275 (45.45%) Agile Software Development
2 160 (26.45%) MVC
3 139 (22.98%) TDD
4 86 (14.21%) Web Development
5 81 (13.39%) Problem-Solving
6 75 (12.40%) Scrum
7 73 (12.07%) Front End Development
8 62 (10.25%) Software Engineering
9 56 (9.26%) E-Commerce
10 50 (8.26%) OO
11 48 (7.93%) SOLID
12 47 (7.77%) Coaching
13 45 (7.44%) Project Management
13 45 (7.44%) Workflow
14 42 (6.94%) Decision-Making
15 37 (6.12%) Analytics
16 34 (5.62%) OOP
17 33 (5.45%) Microservices
18 32 (5.29%) Mentoring
19 31 (5.12%) DevOps
Programming Languages
1 310 (51.24%) C#
2 235 (38.84%) SQL
3 144 (23.80%) Java
4 48 (7.93%) T-SQL
5 47 (7.77%) TypeScript
6 44 (7.27%) Python
7 40 (6.61%) PHP
8 36 (5.95%) C++
9 32 (5.29%) Apex Code
10 27 (4.46%) ES6
11 22 (3.64%) C
12 17 (2.81%) Java 8
12 17 (2.81%) Scala
13 16 (2.64%) VBScript
14 15 (2.48%) VB
14 15 (2.48%) VBA
15 13 (2.15%) PowerShell
16 12 (1.98%) VB.NET
17 11 (1.82%) PL/SQL
18 10 (1.65%) Shell Script
Qualifications
1 75 (12.40%) Degree
2 37 (6.12%) Computer Science Degree
3 12 (1.98%) Numerate Degree
4 6 (0.99%) SC Cleared
4 6 (0.99%) Security Cleared
5 2 (0.33%) HND
6 1 (0.17%) ISTQB
Quality Assurance & Compliance
1 18 (2.98%) QA
2 3 (0.50%) WAI
3 2 (0.33%) Data Quality
3 2 (0.33%) PCI DSS
3 2 (0.33%) Sarbanes-Oxley
4 1 (0.17%) GDPR
System Software
1 17 (2.81%) Docker
2 5 (0.83%) VMware Infrastructure
3 3 (0.50%) Active Directory
3 3 (0.50%) vSphere
4 2 (0.33%) Hyper-V
4 2 (0.33%) VirtualBox
4 2 (0.33%) VMware NSX
5 1 (0.17%) Samba
5 1 (0.17%) VMware ESXi
Systems Management
1 5 (0.83%) Kubernetes
2 4 (0.66%) Opscode Chef
3 3 (0.50%) Docker Swarm
3 3 (0.50%) vCenter Server
3 3 (0.50%) vRealize
3 3 (0.50%) vRealize Orchestrator
4 2 (0.33%) Graphite
4 2 (0.33%) Puppet
5 1 (0.17%) Ansible
Vendors
1 97 (16.03%) Microsoft
2 46 (7.60%) Salesforce.com
3 24 (3.97%) Google
4 20 (3.31%) Oracle
5 16 (2.64%) Optimizely
6 14 (2.31%) IBM
7 12 (1.98%) Sybase
7 12 (1.98%) Xamarin
8 10 (1.65%) VMware
9 9 (1.49%) Adobe
10 6 (0.99%) hybris
10 6 (0.99%) Pardot
11 5 (0.83%) SAP
12 4 (0.66%) Nintex
12 4 (0.66%) Sitecore
13 2 (0.33%) Atlassian
13 2 (0.33%) EXTOL
13 2 (0.33%) IFS
13 2 (0.33%) Tableau
14 1 (0.17%) Demandware