Period
to 21 November 2017

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

JavaScript (including ECMAScript)
Hertfordshire > Letchworth
6 months to
21 Nov 2017
Same period 2016 Same period 2015
Rank 10 13 10
Rank change year-on-year +3 -3 +9
Permanent jobs citing JavaScript 21 22 21
As % of all permanent IT jobs advertised in Letchworth 24.14% 25.58% 25.61%
As % of the Programming Languages category 40.38% 30.56% 36.21%
Number of salaries quoted 19 20 20
Letchworth median annual salary £35,000 £33,500 £40,500
Median salary % change year-on-year +4.48% -17.28% +15.71%
10th Percentile £23,500 £30,400 £33,500
90th Percentile £43,850 £42,500 £48,000
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 Letchworth with a requirement for coding skills.

All Programming Languages
Letchworth
Permanent vacancies with a requirement for coding skills 52 72 58
As % of all permanent IT jobs advertised in Letchworth 59.77% 83.72% 70.73%
Number of salaries quoted 46 66 54
Letchworth median annual salary £35,000 £33,000 £37,500
Median salary % change year-on-year +6.06% -12.00% +1.35%
10th Percentile £25,000 £22,500 £23,500
90th Percentile £43,750 £43,750 £47,775
Hertfordshire median annual salary £47,500 £47,500 £45,000
% change year-on-year - +5.56% +2.27%

JavaScript
Job Vacancy Trend in Letchworth

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

Job vacancy trend for JavaScript in Letchworth

JavaScript
Salary Trend in Letchworth

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

Salary trend for JavaScript in Letchworth

JavaScript
Salary Histogram in Letchworth

The salary distribution of IT jobs citing JavaScript in Letchworth over the 6 months to 21 November 2017.

Salary histogram for JavaScript in Letchworth

For the 6 months to 21 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 Letchworth region with a requirement for JavaScript.

1 13 (61.90%) C#
1 13 (61.90%) SQL
1 13 (61.90%) .NET
2 12 (57.14%) HTML
3 11 (52.38%) ASP.NET
4 10 (47.62%) MVC
4 10 (47.62%) ASP.NET MVC
5 9 (42.86%) CSS
6 8 (38.10%) Java
6 8 (38.10%) SQL Server
7 7 (33.33%) JUnit
7 7 (33.33%) Tomcat
7 7 (33.33%) Scrum
7 7 (33.33%) jQuery
7 7 (33.33%) Agile Software Development
8 6 (28.57%) Degree
8 6 (28.57%) Computer Science
8 6 (28.57%) Finance
9 5 (23.81%) Visual Studio
9 5 (23.81%) .NET Framework
9 5 (23.81%) TDD
9 5 (23.81%) Unit Testing
9 5 (23.81%) Team Foundation Server
9 5 (23.81%) Entity Framework
9 5 (23.81%) AngularJS
9 5 (23.81%) ASP.NET Web API
10 4 (19.05%) HTML5
10 4 (19.05%) User Experience
10 4 (19.05%) Front End Development
10 4 (19.05%) Protractor

JavaScript
Co-occurring IT Skills in Letchworth 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 7 (33.33%) Tomcat
Database & Business Intelligence
1 8 (38.10%) SQL Server
2 4 (19.05%) SQL Server 2012
3 1 (4.76%) Relational Database
Development Applications
1 7 (33.33%) JUnit
2 5 (23.81%) Team Foundation Server
2 5 (23.81%) Visual Studio
3 4 (19.05%) Jasmine
3 4 (19.05%) JIRA
3 4 (19.05%) Protractor
3 4 (19.05%) Selenium
4 3 (14.29%) Eclipse
5 1 (4.76%) MSTest
5 1 (4.76%) NUnit
General
1 6 (28.57%) Finance
2 4 (19.05%) Legal
Job Titles
1 20 (95.24%) Developer
2 7 (33.33%) C# Developer
2 7 (33.33%) Java Developer
3 4 (19.05%) .NET Developer
3 4 (19.05%) Front End Developer (Client-Side Developer)
3 4 (19.05%) Front End Web Developer (Client-Side Developer)
3 4 (19.05%) Web Developer
4 3 (14.29%) Graduate
4 3 (14.29%) Graduate Developer
4 3 (14.29%) Lead Developer
4 3 (14.29%) Senior Developer
5 2 (9.52%) .NET Team Leader
5 2 (9.52%) ASP.NET Developer
5 2 (9.52%) C# .NET Developer
5 2 (9.52%) C# ASP.NET Developer
5 2 (9.52%) Development Team Leader
5 2 (9.52%) Graduate Java Developer
5 2 (9.52%) Lead .NET Developer
5 2 (9.52%) Senior .NET Developer
5 2 (9.52%) Team Leader
Libraries, Frameworks & Software Standards
1 13 (61.90%) .NET
2 12 (57.14%) HTML
3 11 (52.38%) ASP.NET
4 10 (47.62%) ASP.NET MVC
5 9 (42.86%) CSS
6 7 (33.33%) jQuery
7 5 (23.81%) .NET Framework
7 5 (23.81%) AngularJS
7 5 (23.81%) ASP.NET Web API
7 5 (23.81%) Entity Framework
8 4 (19.05%) CSS3
8 4 (19.05%) HTML5
8 4 (19.05%) LESS
8 4 (19.05%) Sass
8 4 (19.05%) Semantic HTML
8 4 (19.05%) XHTML
8 4 (19.05%) XSLT
9 3 (14.29%) XML
10 2 (9.52%) Ajax
10 2 (9.52%) Spring
Miscellaneous
1 6 (28.57%) Computer Science
2 4 (19.05%) User Experience
Processes & Methodologies
1 10 (47.62%) MVC
2 7 (33.33%) Agile Software Development
2 7 (33.33%) Scrum
3 5 (23.81%) TDD
3 5 (23.81%) Unit Testing
4 4 (19.05%) ATDD
4 4 (19.05%) Collaborative Working
4 4 (19.05%) Cross-Browser Compatibility
4 4 (19.05%) Data Mapping
4 4 (19.05%) Front End Development
4 4 (19.05%) Software Engineering
4 4 (19.05%) Web Development
4 4 (19.05%) Workflow
5 2 (9.52%) Data Protection
5 2 (9.52%) Mentoring
6 1 (4.76%) Continuous Integration
6 1 (4.76%) Mathematics
Programming Languages
1 13 (61.90%) C#
1 13 (61.90%) SQL
2 8 (38.10%) Java
3 1 (4.76%) T-SQL
3 1 (4.76%) TypeScript
Qualifications
1 6 (28.57%) Degree
2 1 (4.76%) Computer Science Degree
2 1 (4.76%) SC Cleared
2 1 (4.76%) Security Cleared
Vendors
1 4 (19.05%) Oracle