Period
to 25 July 2017

The median annual salary for a JavaScript Developer was £50,000 in advertised job vacancies in Hertfordshire during the 6 months to 25 July 2017.

The first table below provides salary benchmarking and summary statistics including a comparison to same period in the previous 2 years.

JavaScript Developer
East of England > Hertfordshire
6 months to
25 Jul 2017
Same period 2016 Same period 2015
Rank 86 133 163
Rank change year-on-year +47 +30 +3
Permanent jobs requiring a JavaScript Developer 145 91 86
As % of all permanent IT jobs advertised in Hertfordshire 3.38% 1.91% 1.56%
As % of the Job Titles category 3.48% 1.99% 1.61%
Number of salaries quoted 135 90 74
Hertfordshire median annual salary £50,000 £55,000 £45,000
Median salary % change year-on-year -9.09% +22.22% -
10th Percentile £36,250 £38,750 £24,000
90th Percentile £67,500 £68,750 £52,500
East of England median annual salary £45,000 £42,500 £40,000
% change year-on-year +5.88% +6.25% -

The next table is for comparison with the above and includes summary statistics for all job roles in permanent job vacancies advertised in Hertfordshire. Most job vacancies include a discernible job title. As such, the figures in the first row provide an indication of the number of permanent jobs in our overall sample.

IT Job Roles
Hertfordshire
Permanent job vacancies with a job title containing a recognized job role 4165 4575 5344
As % of all permanent IT job vacancies advertised in Hertfordshire 97.00% 95.79% 96.85%
Number of salaries quoted 3535 3793 4295
Hertfordshire median annual salary £45,000 £45,000 £45,000
10th Percentile £25,500 £25,750 £25,500
90th Percentile £71,250 £70,000 £67,500
East of England median annual salary £45,000 £44,275 £42,500
% change year-on-year +1.64% +4.18% +6.25%

JavaScript Developer
Job Vacancy Trend in Hertfordshire

Job postings that featured JavaScript Developer in the job title as a percentage of all IT jobs advertised in Hertfordshire.

Job vacancy trend for JavaScript Developer in Hertfordshire

JavaScript Developer
Salary Trend in Hertfordshire

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

Salary trend for JavaScript Developer in Hertfordshire

JavaScript Developer
Salary Histogram in Hertfordshire

The salary distribution of IT jobs citing JavaScript Developer in Hertfordshire over the 6 months to 25 July 2017.

Salary histogram for JavaScript Developer in Hertfordshire

JavaScript Developer
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 Developer within the Hertfordshire region over the 6 months to 25 July 2017. 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 +10 54 £50,000 -13.04% 2
St Albans +16 23 £52,500 +10.53% 2
Hatfield +27 12 £55,000 -18.52%
Hitchin - 8 £40,000 - 1
Welwyn Garden City +4 7 £75,000 +30.43%
Borehamwood - 7 £40,000 -
Rickmansworth - 5 £40,000 -
Potters Bar - 3 £50,000 -
Letchworth - 2 £45,000 -
Welwyn - 2 £65,000 -
Stevenage +15 1 £50,000 +63.93%
Berkhamsted -5 1 £32,500 +18.18%
Harpenden -7 1 £37,500 -25.00%
Hemel Hempstead -8 1 £47,500 - 1
JavaScript Developer
East of England

JavaScript Developer Skill Set
Top 30 Co-occurring IT Skills in Hertfordshire

For the 6 months to 25 July 2017, JavaScript Developer job roles required the following IT skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Hertfordshire region featuring JavaScript Developer in the job title.

1 145 (100.00%) JavaScript
2 124 (85.52%) HTML
3 98 (67.59%) CSS
4 69 (47.59%) AngularJS
5 68 (46.90%) jQuery
6 63 (43.45%) Agile Software Development
7 53 (36.55%) HTML5
8 51 (35.17%) Web Development
9 49 (33.79%) Node.js
10 46 (31.72%) OO
11 45 (31.03%) .NET
12 44 (30.34%) C#
13 40 (27.59%) Front End Development
14 39 (26.90%) CSS3
14 39 (26.90%) SQL
15 35 (24.14%) Scrum
15 35 (24.14%) MVC
15 35 (24.14%) SQL Server
16 34 (23.45%) ASP.NET
17 33 (22.76%) Software Engineering
18 32 (22.07%) E-Commerce
18 32 (22.07%) Twitter Bootstrap
19 31 (21.38%) Computer Science
20 30 (20.69%) Java
21 28 (19.31%) Ajax
21 28 (19.31%) KnockoutJS
22 27 (18.62%) Git (software)
22 27 (18.62%) ES6
23 26 (17.93%) SaaS
23 26 (17.93%) Degree

JavaScript Developer Skill Set
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 11 (7.59%) JBoss
1 11 (7.59%) WebLogic
1 11 (7.59%) WebSphere
2 10 (6.90%) Tomcat
3 7 (4.83%) Elasticsearch
4 6 (4.14%) CMS
4 6 (4.14%) Umbraco
5 5 (3.45%) Kentico
6 1 (0.69%) Apache
6 1 (0.69%) IIS
Applications
1 3 (2.07%) Photoshop
2 2 (1.38%) GIMP
3 1 (0.69%) Adobe Illustrator
Business Applications
1 5 (3.45%) Magento
2 3 (2.07%) Payment Gateway
Cloud Services
1 26 (17.93%) SaaS
2 4 (2.76%) Microsoft Azure
3 3 (2.07%) Amazon AWS
4 2 (1.38%) TestFlight
Communications & Networking
1 14 (9.66%) HTTP
2 3 (2.07%) Internet
Database & Business Intelligence
1 35 (24.14%) SQL Server
2 8 (5.52%) NoSQL
3 6 (4.14%) MySQL
3 6 (4.14%) Redis
3 6 (4.14%) SQL Server 2014
4 4 (2.76%) Azure SQL Database
5 2 (1.38%) PostgreSQL
5 2 (1.38%) Relational Database
Development Applications
1 27 (18.62%) Git (software)
2 24 (16.55%) gulp
3 17 (11.72%) JBehave
3 17 (11.72%) Karma Test Runner
3 17 (11.72%) WebDriver
4 11 (7.59%) Bower
4 11 (7.59%) Team Foundation Server
5 9 (6.21%) Jenkins
6 8 (5.52%) Eclipse
6 8 (5.52%) Maven
7 7 (4.83%) Octopus Deploy
7 7 (4.83%) SpecFlow
7 7 (4.83%) webpack
8 6 (4.14%) Visual Studio
9 5 (3.45%) Subversion
10 4 (2.76%) JUnit
11 3 (2.07%) Grunt
12 2 (1.38%) EasyMock
12 2 (1.38%) Mockito
12 2 (1.38%) TestFairy
General
1 13 (8.97%) Retail
2 10 (6.90%) Finance
3 8 (5.52%) Games
4 5 (3.45%) Billing
5 2 (1.38%) Legal
Libraries, Frameworks & Software Standards
1 124 (85.52%) HTML
2 98 (67.59%) CSS
3 69 (47.59%) AngularJS
4 68 (46.90%) jQuery
5 53 (36.55%) HTML5
6 49 (33.79%) Node.js
7 45 (31.03%) .NET
8 39 (26.90%) CSS3
9 34 (23.45%) ASP.NET
10 32 (22.07%) Twitter Bootstrap
11 28 (19.31%) Ajax
11 28 (19.31%) KnockoutJS
12 23 (15.86%) JSON
13 21 (14.48%) React
14 20 (13.79%) D3.js
15 19 (13.10%) RESTful
16 17 (11.72%) CodeMirror
17 16 (11.03%) ASP.NET MVC
18 14 (9.66%) Sass
18 14 (9.66%) Vue.js
Miscellaneous
1 31 (21.38%) Computer Science
2 13 (8.97%) User Experience
3 8 (5.52%) Algorithms
3 8 (5.52%) Data Structures
4 7 (4.83%) Fintech
5 5 (3.45%) Greenfield Project
6 2 (1.38%) Analytical Skills
6 2 (1.38%) Client/Server
6 2 (1.38%) Mobile App
6 2 (1.38%) Replication
6 2 (1.38%) Virtual Team
7 1 (0.69%) Kindle
Operating Systems
1 5 (3.45%) Android
1 5 (3.45%) Linux
2 4 (2.76%) VMS
3 1 (0.69%) Windows
Processes & Methodologies
1 63 (43.45%) Agile Software Development
2 51 (35.17%) Web Development
3 46 (31.72%) OO
4 40 (27.59%) Front End Development
5 35 (24.14%) MVC
5 35 (24.14%) Scrum
6 33 (22.76%) Software Engineering
7 32 (22.07%) E-Commerce
8 26 (17.93%) OOD
9 19 (13.10%) Test Automation
10 15 (10.34%) Web Application Development
11 11 (7.59%) MVVM
12 10 (6.90%) TDD
13 9 (6.21%) Wealth Management
13 9 (6.21%) Web Design
14 8 (5.52%) Complexity Analysis
14 8 (5.52%) CQRS
15 7 (4.83%) BEM - Block Element Modifier
15 7 (4.83%) Game Development
15 7 (4.83%) Microservices
Programming Languages
1 145 (100.00%) JavaScript
2 44 (30.34%) C#
3 39 (26.90%) SQL
4 30 (20.69%) Java
5 27 (18.62%) ES6
6 17 (11.72%) PHP
7 15 (10.34%) TypeScript
8 8 (5.52%) PowerShell
9 6 (4.14%) PL/SQL
10 2 (1.38%) C++
10 2 (1.38%) Progress 4GL
10 2 (1.38%) Python
10 2 (1.38%) Shell Script
10 2 (1.38%) T-SQL
Qualifications
1 26 (17.93%) Degree
2 18 (12.41%) Computer Science Degree
3 5 (3.45%) MCTS
3 5 (3.45%) Microsoft Certification
4 1 (0.69%) HND
Quality Assurance & Compliance
1 2 (1.38%) ISO 13485
2 1 (0.69%) QA
Systems Management
1 7 (4.83%) Opscode Chef
Vendors
1 10 (6.90%) Oracle
2 6 (4.14%) Demandware
2 6 (4.14%) Microsoft
3 5 (3.45%) Google
4 4 (2.76%) ATG
4 4 (2.76%) hybris
5 2 (1.38%) Ab Initio
5 2 (1.38%) Progress
6 1 (0.69%) Adobe
6 1 (0.69%) Zend
St. Albans, Hertfordshire
Asset Resourcing Ltd
Salary: £40000 - £50000 per annum
Posted: 7 hours ago
Hitchin, Hertfordshire
Oscar
Salary: £20000 - £50000 per annum + Benefits
Posted: Yesterday
Watford, Hertfordshire
Senitor Associates
Salary: £35000 - £50000 per annum + Benefits
Posted: 4 days ago
Hertfordshire
Roc Search
Salary: £45000 - £50000 per annum
Posted: 5 days ago
Watford, Hertfordshire
Senitor Associates
Salary: £32000 - £37000 per annum + Benefits
Posted: 4 days ago
St. Albans
Mint
Salary: £32000 - £70000 per annum
Posted: 19 days ago
Hemel Hempstead
Bluetown Online LTD
Salary: £35000 - £45000 per annum + benefits
Posted: 21 days ago