Period
to 16 February 2020

The following table provides summary statistics for permanent job vacancies advertised in Watford 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 16 February 2020 with a comparison to the same period in the previous 2 years.

JavaScript (including ECMAScript)
Hertfordshire > Watford
6 months to
16 Feb 2020
Same period 2019 Same period 2018
Rank 26 6 7
Rank change year-on-year -20 +1 +5
Permanent jobs citing JavaScript 43 187 186
As % of all permanent IT jobs advertised in Watford 9.41% 19.94% 18.94%
As % of the Programming Languages category 25.00% 42.89% 33.45%
Number of salaries quoted 40 143 173
Watford median annual salary £50,250 £50,000 £50,000
Median salary % change year-on-year +0.50% - +11.11%
10th Percentile £28,275 £33,750 £32,500
90th Percentile £66,250 £67,500 £67,500
Hertfordshire median annual salary £55,000 £50,000 £50,000
% change year-on-year +10.00% - +17.65%

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 Watford with a requirement for coding skills.

All Programming Languages
Watford
Permanent vacancies with a requirement for coding skills 172 436 556
As % of all permanent IT jobs advertised in Watford 37.64% 46.48% 56.62%
Number of salaries quoted 144 325 504
Watford median annual salary £51,750 £50,000 £52,500
Median salary % change year-on-year +3.50% -4.76% +5.00%
10th Percentile £30,300 £29,400 £31,250
90th Percentile £69,625 £69,500 £67,500
Hertfordshire median annual salary £52,500 £50,000 £50,000
% change year-on-year +5.00% - +5.26%

JavaScript
Job Vacancy Trend in Watford

Job postings citing JavaScript as a percentage of all IT jobs advertised in Watford.

Job vacancy trend for JavaScript in Watford

JavaScript
Salary Trend in Watford

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing JavaScript in Watford.

Salary trend for JavaScript in Watford

JavaScript
Salary Histogram in Watford

The salary distribution of IT jobs citing JavaScript in Watford over the 6 months to 16 February 2020.

Salary histogram for JavaScript in Watford

For the 6 months to 16 February 2020, 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 Watford region with a requirement for JavaScript.

1 39 (90.70%) HTML
2 32 (74.42%) CSS
3 24 (55.81%) Agile Software Development
4 20 (46.51%) AngularJS
5 18 (41.86%) E-Commerce
6 15 (34.88%) SQL
6 15 (34.88%) HTML5
7 14 (32.56%) C#
7 14 (32.56%) XHTML
7 14 (32.56%) Grunt
7 14 (32.56%) Sass
8 13 (30.23%) Sprint Planning
8 13 (30.23%) .NET
8 13 (30.23%) Unit Testing
9 12 (27.91%) Retail
9 12 (27.91%) Java
9 12 (27.91%) User Experience
9 12 (27.91%) Front End Development
10 11 (25.58%) ASP.NET
10 11 (25.58%) MVC
10 11 (25.58%) Games
10 11 (25.58%) Continuous Integration
11 10 (23.26%) Magento
11 10 (23.26%) Photoshop
11 10 (23.26%) Sketch
11 10 (23.26%) Greenfield Project
12 9 (20.93%) Vue.js
12 9 (20.93%) React
12 9 (20.93%) LESS
12 9 (20.93%) Git (software)

JavaScript
Co-occurring IT Skills in Watford 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 4 (9.30%) WebSphere
2 3 (6.98%) Apache
2 3 (6.98%) CMS
2 3 (6.98%) Sitecore CMS
3 1 (2.33%) Confluence
3 1 (2.33%) SharePoint
Applications
1 10 (23.26%) Photoshop
1 10 (23.26%) Sketch
2 5 (11.63%) InVision
2 5 (11.63%) Zeplin
3 2 (4.65%) Microsoft Excel
4 1 (2.33%) Microsoft PowerPoint
4 1 (2.33%) MS Visio
Business Applications
1 10 (23.26%) Magento
2 4 (9.30%) SAP S/4HANA
2 4 (9.30%) Shopify
Cloud Services
1 3 (6.98%) AWS
1 3 (6.98%) Azure
2 1 (2.33%) Adobe Analytics
2 1 (2.33%) Adobe Creative Cloud
2 1 (2.33%) Azure Data Factory
2 1 (2.33%) Firebase
2 1 (2.33%) GCP
2 1 (2.33%) Google Analytics
2 1 (2.33%) Google Tag Manager
2 1 (2.33%) Heroku
2 1 (2.33%) Power Platform
2 1 (2.33%) SaaS
2 1 (2.33%) Trello
Communications & Networking
1 4 (9.30%) HTTP
2 1 (2.33%) TCP/IP
Database & Business Intelligence
1 5 (11.63%) MySQL
2 4 (9.30%) Relational Database
3 3 (6.98%) SQL Server
4 2 (4.65%) SQL Server Analysis Services
5 1 (2.33%) BigQuery
5 1 (2.33%) Data Lake
5 1 (2.33%) PostgreSQL
5 1 (2.33%) Power BI
5 1 (2.33%) SQL Server Integration Services
5 1 (2.33%) SQL Server Reporting Services
Development Applications
1 14 (32.56%) Grunt
2 9 (20.93%) Git (software)
3 8 (18.60%) JIRA
4 7 (16.28%) Jasmine
4 7 (16.28%) Karma Test Runner
5 5 (11.63%) webpack
6 4 (9.30%) LSMW
7 3 (6.98%) Bower
8 1 (2.33%) Bitbucket
8 1 (2.33%) gulp
8 1 (2.33%) Jenkins
8 1 (2.33%) Team Foundation Server
General
1 12 (27.91%) Retail
2 11 (25.58%) Games
3 1 (2.33%) Back Office
3 1 (2.33%) Finance
3 1 (2.33%) Marketing
Job Titles
1 37 (86.05%) Developer
2 12 (27.91%) Front End Developer (Client-Side Developer)
3 9 (20.93%) .NET Developer
4 8 (18.60%) C# Developer
4 8 (18.60%) Senior Developer
5 7 (16.28%) E-Commerce Developer
5 7 (16.28%) Senior Front-End Developer
6 6 (13.95%) HTML Developer
6 6 (13.95%) Junior
6 6 (13.95%) Magento Developer
7 5 (11.63%) Analyst
7 5 (11.63%) ASP.NET Developer
7 5 (11.63%) C# .NET Developer
7 5 (11.63%) C# ASP.NET Developer
8 4 (9.30%) ASP.NET MVC Developer
8 4 (9.30%) C# Web Developer
8 4 (9.30%) Mid-Level C# .NET Developer
8 4 (9.30%) Mid-Level C# Developer
8 4 (9.30%) Support Analyst
8 4 (9.30%) Web Developer
Libraries, Frameworks & Software Standards
1 39 (90.70%) HTML
2 32 (74.42%) CSS
3 20 (46.51%) AngularJS
4 15 (34.88%) HTML5
5 14 (32.56%) Sass
5 14 (32.56%) XHTML
6 13 (30.23%) .NET
7 11 (25.58%) ASP.NET
8 9 (20.93%) LESS
8 9 (20.93%) React
8 9 (20.93%) Vue.js
9 8 (18.60%) Twitter Bootstrap
10 6 (13.95%) Node.js
11 5 (11.63%) CSS3
11 5 (11.63%) Enzyme
11 5 (11.63%) Jest
11 5 (11.63%) jQuery
11 5 (11.63%) JSP
11 5 (11.63%) JSTL
11 5 (11.63%) Semantic HTML
Miscellaneous
1 12 (27.91%) User Experience
2 10 (23.26%) Greenfield Project
3 8 (18.60%) W3C
4 3 (6.98%) Vector Graphics
5 1 (2.33%) Analytical Skills
5 1 (2.33%) Data Structures
Operating Systems
1 5 (11.63%) Linux
2 2 (4.65%) Windows
Processes & Methodologies
1 24 (55.81%) Agile Software Development
2 18 (41.86%) E-Commerce
3 13 (30.23%) Sprint Planning
3 13 (30.23%) Unit Testing
4 12 (27.91%) Front End Development
5 11 (25.58%) Continuous Integration
5 11 (25.58%) MVC
6 8 (18.60%) Data Privacy
6 8 (18.60%) Wireframes
7 7 (16.28%) Problem-Solving
8 5 (11.63%) Cross-Browser Compatibility
8 5 (11.63%) OO
8 5 (11.63%) Performance Optimisation
9 4 (9.30%) Computer Science
9 4 (9.30%) Web Development
9 4 (9.30%) Workflow
9 4 (9.30%) Workflow Development
10 3 (6.98%) Open Source
10 3 (6.98%) TDD
10 3 (6.98%) Time Management
Programming Languages
1 15 (34.88%) SQL
2 14 (32.56%) C#
3 12 (27.91%) Java
4 7 (16.28%) PHP
5 4 (9.30%) ABAP
5 4 (9.30%) SAPscript
6 3 (6.98%) T-SQL
7 2 (4.65%) TypeScript
8 1 (2.33%) Data Analysis Expressions (DAX)
8 1 (2.33%) Python
8 1 (2.33%) R
8 1 (2.33%) Ruby
8 1 (2.33%) VBA
Qualifications
1 4 (9.30%) Degree
2 2 (4.65%) Computer Science Degree
Quality Assurance & Compliance
1 1 (2.33%) Data Quality
1 1 (2.33%) QA
Vendors
1 6 (13.95%) hybris
2 4 (9.30%) IBM
2 4 (9.30%) SAP
2 4 (9.30%) Zend
3 3 (6.98%) Sitecore
4 2 (4.65%) Adobe
5 1 (2.33%) Atlassian
5 1 (2.33%) Databricks
5 1 (2.33%) Google
5 1 (2.33%) Microsoft
5 1 (2.33%) Sencha
5 1 (2.33%) Tealium