Period
to 19 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Chelmsford 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 19 November 2017 with a comparison to the same period in the previous 2 years.

JavaScript (including ECMAScript)
Essex > Chelmsford
6 months to
19 Nov 2017
Same period 2016 Same period 2015
Rank 5 20 16
Rank change year-on-year +15 -4 +10
Permanent jobs citing JavaScript 81 33 31
As % of all permanent IT jobs advertised in Chelmsford 23.34% 9.85% 9.57%
As % of the Programming Languages category 41.97% 25.98% 20.13%
Number of salaries quoted 65 33 32
Chelmsford median annual salary £50,000 £45,000 £25,000
Median salary % change year-on-year +11.11% +80.00% -33.33%
10th Percentile £27,750 £20,200 £21,250
90th Percentile £66,250 £61,250 £47,500
Essex median annual salary £47,500 £40,000 £35,000
% change year-on-year +18.75% +14.29% -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 Chelmsford with a requirement for coding skills.

All Programming Languages
Chelmsford
Permanent vacancies with a requirement for coding skills 193 127 154
As % of all permanent IT jobs advertised in Chelmsford 55.62% 37.91% 47.53%
Number of salaries quoted 176 124 134
Chelmsford median annual salary £45,750 £40,000 £40,000
Median salary % change year-on-year +14.38% - -
10th Percentile £28,000 £24,750 £21,250
90th Percentile £60,000 £58,750 £57,125
Essex median annual salary £45,000 £42,500 £40,000
% change year-on-year +5.88% +6.25% -

JavaScript
Job Vacancy Trend in Chelmsford

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

Job vacancy trend for JavaScript in Chelmsford

JavaScript
Salary Trend in Chelmsford

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

Salary trend for JavaScript in Chelmsford

JavaScript
Salary Histogram in Chelmsford

The salary distribution of IT jobs citing JavaScript in Chelmsford over the 6 months to 19 November 2017.

Salary histogram for JavaScript in Chelmsford

For the 6 months to 19 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 Chelmsford region with a requirement for JavaScript.

1 72 (88.89%) HTML
2 65 (80.25%) CSS
3 41 (50.62%) SQL
4 40 (49.38%) AngularJS
5 39 (48.15%) .NET
5 39 (48.15%) Web Development
6 38 (46.91%) Agile Software Development
7 37 (45.68%) C#
8 35 (43.21%) jQuery
9 33 (40.74%) RESTful
10 32 (39.51%) Entity Framework
11 31 (38.27%) XML
12 30 (37.04%) ASP.NET
13 29 (35.80%) HTML5
13 29 (35.80%) Web Application Development
14 27 (33.33%) MVC
14 27 (33.33%) Microsoft
14 27 (33.33%) JSON
15 23 (28.40%) Java
16 22 (27.16%) .NET Framework
17 21 (25.93%) Spring
18 20 (24.69%) JPA
18 20 (24.69%) Scrum
19 19 (23.46%) Hibernate
19 19 (23.46%) SQL Server
19 19 (23.46%) SDLC
20 18 (22.22%) SQL Server 2014
20 18 (22.22%) SQL Server 2012
20 18 (22.22%) Java EE
20 18 (22.22%) Visual Studio

JavaScript
Co-occurring IT Skills in Chelmsford 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 12 (14.81%) JBoss
2 9 (11.11%) WildFly
3 6 (7.41%) CMS
4 5 (6.17%) Sitecore CMS
5 1 (1.23%) Apache
5 1 (1.23%) IIS
Applications
1 1 (1.23%) Adobe Illustrator
Database & Business Intelligence
1 19 (23.46%) SQL Server
2 18 (22.22%) SQL Server 2012
2 18 (22.22%) SQL Server 2014
3 17 (20.99%) SQL Server Integration Services
3 17 (20.99%) SQL Server Reporting Services
4 7 (8.64%) MySQL
5 3 (3.70%) Relational Database
6 1 (1.23%) MongoDB
6 1 (1.23%) SQL Server Analysis Services
Development Applications
1 18 (22.22%) Visual Studio
2 16 (19.75%) Git (software)
3 2 (2.47%) Selenium
4 1 (1.23%) jMock
4 1 (1.23%) JUnit
4 1 (1.23%) Mockito
4 1 (1.23%) Subversion
General
1 16 (19.75%) Finance
2 10 (12.35%) Advertising
3 6 (7.41%) Marketing
4 5 (6.17%) Banking
5 1 (1.23%) Automotive
5 1 (1.23%) Back Office
5 1 (1.23%) Legal
Job Titles
1 73 (90.12%) Developer
2 28 (34.57%) C# Developer
3 26 (32.10%) Web Developer
4 23 (28.40%) .NET Developer
4 23 (28.40%) ASP.NET Developer
4 23 (28.40%) C# .NET Developer
4 23 (28.40%) C# ASP.NET Developer
4 23 (28.40%) Java Developer
5 19 (23.46%) .NET Web Developer
5 19 (23.46%) C# Web Developer
6 17 (20.99%) Angular Developer
7 16 (19.75%) Senior Developer
8 12 (14.81%) Front End Developer (Client-Side Developer)
8 12 (14.81%) Senior Java Developer
9 11 (13.58%) Agile Developer
9 11 (13.58%) Agile Java Developer
10 9 (11.11%) HTML Developer
10 9 (11.11%) Senior Agile Developer
10 9 (11.11%) Senior Agile Java Developer
11 8 (9.88%) C# Software Developer
Libraries, Frameworks & Software Standards
1 72 (88.89%) HTML
2 65 (80.25%) CSS
3 40 (49.38%) AngularJS
4 39 (48.15%) .NET
5 35 (43.21%) jQuery
6 33 (40.74%) RESTful
7 32 (39.51%) Entity Framework
8 31 (38.27%) XML
9 30 (37.04%) ASP.NET
10 29 (35.80%) HTML5
11 27 (33.33%) JSON
12 22 (27.16%) .NET Framework
13 21 (25.93%) Spring
14 20 (24.69%) JPA
15 19 (23.46%) Hibernate
16 18 (22.22%) Java EE
17 16 (19.75%) ASP.NET MVC
17 16 (19.75%) Struts
18 12 (14.81%) EJB
19 11 (13.58%) Spring MVC
Miscellaneous
1 17 (20.99%) Enterprise Software
2 9 (11.11%) User Experience
3 8 (9.88%) Mobile App
4 5 (6.17%) Analytical Skills
4 5 (6.17%) Greenfield Project
5 4 (4.94%) Fintech
5 4 (4.94%) Reinsurance
6 3 (3.70%) Data Structures
7 1 (1.23%) Blog
7 1 (1.23%) Computer Science
Operating Systems
1 8 (9.88%) Linux
2 3 (3.70%) Android
3 2 (2.47%) Windows
3 2 (2.47%) Windows Mobile
Processes & Methodologies
1 39 (48.15%) Web Development
2 38 (46.91%) Agile Software Development
3 29 (35.80%) Web Application Development
4 27 (33.33%) MVC
5 20 (24.69%) Scrum
6 19 (23.46%) SDLC
7 16 (19.75%) Software Engineering
8 15 (18.52%) Front End Development
9 11 (13.58%) Mentoring
10 6 (7.41%) OO
10 6 (7.41%) Unit Testing
11 5 (6.17%) Content Management
12 4 (4.94%) Artificial Intelligence
12 4 (4.94%) Continuous Integration
12 4 (4.94%) MVVM
12 4 (4.94%) People Management
12 4 (4.94%) Project Management
12 4 (4.94%) SOA
12 4 (4.94%) Test Automation
12 4 (4.94%) Wireframes
Programming Languages
1 41 (50.62%) SQL
2 37 (45.68%) C#
3 23 (28.40%) Java
4 17 (20.99%) T-SQL
5 16 (19.75%) C
6 15 (18.52%) PHP
7 2 (2.47%) Python
8 1 (1.23%) PowerShell
8 1 (1.23%) VB.NET
8 1 (1.23%) VBScript
Qualifications
1 10 (12.35%) Degree
2 2 (2.47%) MCP
2 2 (2.47%) Microsoft Certification
3 1 (1.23%) Computer Science Degree
System Software
1 1 (1.23%) Docker
Vendors
1 27 (33.33%) Microsoft
2 5 (6.17%) Sitecore
3 3 (3.70%) Xamarin
4 2 (2.47%) Google
5 1 (1.23%) HP
5 1 (1.23%) SAP