Period
to 20 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Welwyn Garden City 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 20 November 2017 with a comparison to the same period in the previous 2 years.

JavaScript (including ECMAScript)
Hertfordshire > Welwyn Garden City
6 months to
20 Nov 2017
Same period 2016 Same period 2015
Rank 22 14 17
Rank change year-on-year -8 +3 -10
Permanent jobs citing JavaScript 24 26 20
As % of all permanent IT jobs advertised in Welwyn Garden City 10.67% 12.04% 8.70%
As % of the Programming Languages category 20.69% 19.70% 25.64%
Number of salaries quoted 19 28 15
Welwyn Garden City median annual salary £60,000 £45,000 £75,000
Median salary % change year-on-year +33.33% -40.00% +100.00%
10th Percentile £31,500 £25,500 £64,500
90th Percentile £80,000 £70,000 £102,250
Hertfordshire median annual salary £47,500 £45,000 £45,000
% change year-on-year +5.56% - +5.88%

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 Welwyn Garden City with a requirement for coding skills.

All Programming Languages
Welwyn Garden City
Permanent vacancies with a requirement for coding skills 116 132 78
As % of all permanent IT jobs advertised in Welwyn Garden City 51.56% 61.11% 33.91%
Number of salaries quoted 95 104 59
Welwyn Garden City median annual salary £45,000 £45,000 £57,500
Median salary % change year-on-year - -21.74% +36.90%
10th Percentile £29,300 £25,500 £30,500
90th Percentile £65,000 £71,250 £77,500
Hertfordshire median annual salary £47,500 £47,500 £45,000
% change year-on-year - +5.56% +2.27%

JavaScript
Job Vacancy Trend in Welwyn Garden City

Job postings citing JavaScript as a percentage of all IT jobs advertised in Welwyn Garden City.

Job vacancy trend for JavaScript in Welwyn Garden City

JavaScript
Salary Trend in Welwyn Garden City

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

Salary trend for JavaScript in Welwyn Garden City

JavaScript
Salary Histogram in Welwyn Garden City

The salary distribution of IT jobs citing JavaScript in Welwyn Garden City over the 6 months to 20 November 2017.

Salary histogram for JavaScript in Welwyn Garden City

For the 6 months to 20 November 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 Welwyn Garden City region with a requirement for JavaScript.

1 17 (70.83%) HTML
2 14 (58.33%) OO
3 13 (54.17%) Java
4 12 (50.00%) CSS
5 11 (45.83%) Agile Software Development
6 10 (41.67%) Python
6 10 (41.67%) SOA
6 10 (41.67%) Node.js
6 10 (41.67%) SDLC
7 7 (29.17%) Mathematics
7 7 (29.17%) Git (software)
7 7 (29.17%) Eclipse
7 7 (29.17%) E-Commerce
7 7 (29.17%) XML
7 7 (29.17%) XSLT
8 6 (25.00%) JUnit
8 6 (25.00%) Linux
8 6 (25.00%) jQuery
8 6 (25.00%) BEM - Block Element Modifier
8 6 (25.00%) gulp
8 6 (25.00%) ES6
8 6 (25.00%) Front End Development
8 6 (25.00%) CSS3
8 6 (25.00%) Backbone.js
8 6 (25.00%) Sass
8 6 (25.00%) AngularJS
8 6 (25.00%) Express
8 6 (25.00%) Microservices
8 6 (25.00%) React
8 6 (25.00%) webpack

JavaScript
Co-occurring IT Skills in Welwyn Garden City 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 1 (4.17%) JBoss
1 1 (4.17%) Tomcat
1 1 (4.17%) WebLogic
1 1 (4.17%) WebSphere
Communications & Networking
1 4 (16.67%) DNS
1 4 (16.67%) SMTP
1 4 (16.67%) TCP/IP
Database & Business Intelligence
1 1 (4.17%) MySQL
1 1 (4.17%) SQL Server
Development Applications
1 7 (29.17%) Eclipse
1 7 (29.17%) Git (software)
2 6 (25.00%) gulp
2 6 (25.00%) JUnit
2 6 (25.00%) webpack
3 1 (4.17%) Maven
3 1 (4.17%) Mockito
3 1 (4.17%) Subversion
General
1 1 (4.17%) Finance
1 1 (4.17%) Retail
Job Titles
1 14 (58.33%) Developer
2 8 (33.33%) Java Developer
3 6 (25.00%) JavaScript Developer
4 5 (20.83%) Splunk Engineer
5 4 (16.67%) Development Manager
5 4 (16.67%) Software Development Manager
5 4 (16.67%) Software Manager
6 3 (12.50%) Systems Engineer
7 1 (4.17%) E-Commerce Developer
7 1 (4.17%) Graduate
7 1 (4.17%) Graduate Developer
7 1 (4.17%) Graduate Java Developer
7 1 (4.17%) Java E-Commerce Developer
7 1 (4.17%) Lead Developer
7 1 (4.17%) Lead Java Developer
7 1 (4.17%) Security Engineer
7 1 (4.17%) Software Engineer
Libraries, Frameworks & Software Standards
1 17 (70.83%) HTML
2 12 (50.00%) CSS
3 10 (41.67%) Node.js
4 7 (29.17%) XML
4 7 (29.17%) XSLT
5 6 (25.00%) AngularJS
5 6 (25.00%) Backbone.js
5 6 (25.00%) CSS3
5 6 (25.00%) Express
5 6 (25.00%) jQuery
5 6 (25.00%) React
5 6 (25.00%) Sass
5 6 (25.00%) Vue (Vue.js)
6 2 (8.33%) J2EE
7 1 (4.17%) JDBC
7 1 (4.17%) JSP
7 1 (4.17%) Middleware
7 1 (4.17%) Servlets
7 1 (4.17%) SOAP
7 1 (4.17%) XSD
Miscellaneous
1 5 (20.83%) Computer Science
2 1 (4.17%) Management Information System
Operating Systems
1 6 (25.00%) Linux
2 5 (20.83%) Windows
2 5 (20.83%) Windows Server 2008
Processes & Methodologies
1 14 (58.33%) OO
2 11 (45.83%) Agile Software Development
3 10 (41.67%) SDLC
3 10 (41.67%) SOA
4 7 (29.17%) E-Commerce
4 7 (29.17%) Mathematics
5 6 (25.00%) BEM - Block Element Modifier
5 6 (25.00%) Front End Development
5 6 (25.00%) Microservices
6 5 (20.83%) Data Modelling
6 5 (20.83%) SIEM
6 5 (20.83%) Software Engineering
7 4 (16.67%) Continuous Improvement
7 4 (16.67%) Disaster Recovery
7 4 (16.67%) IT Strategy
7 4 (16.67%) Matrix Organization
7 4 (16.67%) Secure Coding
8 1 (4.17%) Network Management
8 1 (4.17%) Scrum
8 1 (4.17%) Validation
Programming Languages
1 13 (54.17%) Java
2 10 (41.67%) Python
3 6 (25.00%) ES6
4 5 (20.83%) C++
5 4 (16.67%) Bash Shell
5 4 (16.67%) Ruby
6 2 (8.33%) SQL
7 1 (4.17%) C#
7 1 (4.17%) XPath
Qualifications
1 5 (20.83%) Degree
2 1 (4.17%) Computer Science Degree
Vendors
1 5 (20.83%) Splunk
2 4 (16.67%) Red Hat
3 1 (4.17%) Oracle