Period
to 16 November 2018

The following table provides summary statistics for contract job vacancies advertised in Hertfordshire with a requirement for JavaScript skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited JavaScript over the 6 months to 16 November 2018 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

JavaScript (including ECMAScript)
East of England > Hertfordshire
6 months to
16 Nov 2018
Same period 2017 Same period 2016
Rank 10 14 22
Rank change year-on-year +4 +8 -12
Contract jobs citing JavaScript 153 134 91
As % of all contract IT jobs advertised in Hertfordshire 9.32% 8.57% 6.55%
As % of the Programming Languages category 27.37% 22.22% 18.06%
Number of daily rates quoted 114 101 36
Hertfordshire median daily rate £425 £400 £375
Median daily rate % change year-on-year +6.25% +6.67% +3.45%
10th Percentile £175 £300 £263
90th Percentile £538 £545 £500
East of England median daily rate £425 £375 £375
% change year-on-year +13.33% - +4.17%
Number of hourly rates quoted 0 1 3
Hertfordshire median hourly rate - £15.00 £45.00
Median hourly rate % change year-on-year - -66.67% -
East of England median hourly rate £33.04 £62.50 £33.95
% change year-on-year -47.14% +84.09% -10.07%

JavaScript is in the Programming Languages category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Hertfordshire with a requirement for coding skills.

All Programming Languages
Hertfordshire
Contract vacancies with a requirement for coding skills 559 603 504
As % of all contract IT jobs advertised in Hertfordshire 34.04% 38.55% 36.29%
Number of daily rates quoted 364 318 289
Hertfordshire median daily rate £416 £423 £390
Median daily rate % change year-on-year -1.48% +8.33% +4.00%
10th Percentile £250 £279 £232
90th Percentile £556 £588 £538
East of England median daily rate £425 £400 £375
% change year-on-year +6.25% +6.67% -
Number of hourly rates quoted 20 22 28
Hertfordshire median hourly rate £45.75 £17.15 £49.75
Median hourly rate % change year-on-year +166.72% -65.52% +49.62%
10th Percentile £16.58 £13.65 £27.90
90th Percentile £52.50 £43.75 £54.35
East of England median hourly rate £43.50 £40.50 £40.00
% change year-on-year +7.41% +1.25% +6.67%

JavaScript
Job Vacancy Trend in Hertfordshire

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

Job vacancy trend for JavaScript in Hertfordshire

JavaScript
Contractor Daily Rate Trend in Hertfordshire

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing JavaScript in Hertfordshire.

Contractor daily rate trend for JavaScript in Hertfordshire

JavaScript
Contractor Daily Rate Histogram in Hertfordshire

The daily rate distribution of IT jobs citing JavaScript in Hertfordshire over the 6 months to 16 November 2018.

Contractor daily rate histogram for JavaScript in Hertfordshire

JavaScript
Contractor Hourly Rate Trend in Hertfordshire

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing JavaScript in Hertfordshire.

Contractor hourly rate trend for JavaScript in Hertfordshire

JavaScript
Contract Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JavaScript within the Hertfordshire region over the 6 months to 16 November 2018. 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Watford 0 38 £390 - 28
Stevenage +12 24 £463 - 4
Welwyn Garden City 0 17 £538 +2.38% 1
Hatfield +8 13 £425 +6.25% 3
Hemel Hempstead -4 9 £425 +13.33% 5
Borehamwood -1 7 £475 +72.73% 2
St Albans +4 6 £300 -23.08% 13
Rickmansworth -11 6 £400 +8.11% 5
Berkhamsted - 2 £525 - 5
JavaScript
East of England

For the 6 months to 16 November 2018, IT contractor 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 contract job ads across the Hertfordshire region with a requirement for JavaScript.

1 81 (52.94%) CSS
2 77 (50.33%) HTML
3 65 (42.48%) C#
4 61 (39.87%) .NET
5 51 (33.33%) Agile Software Development
6 49 (32.03%) Java
7 48 (31.37%) Web Services
7 48 (31.37%) jQuery
8 46 (30.07%) Microsoft
9 41 (26.80%) Visual Studio
10 39 (25.49%) MVC
11 37 (24.18%) ASP.NET
11 37 (24.18%) HTML5
11 37 (24.18%) REST
12 35 (22.88%) Node.js
13 33 (21.57%) Software Engineering
14 32 (20.92%) SQL
15 28 (18.30%) SQL Server
15 28 (18.30%) Windows
16 26 (16.99%) Eclipse
16 26 (16.99%) PowerShell
16 26 (16.99%) Front End Development
17 24 (15.69%) Linux
18 23 (15.03%) Scrum
18 23 (15.03%) Git (software)
19 22 (14.38%) AngularJS
19 22 (14.38%) Spring
20 21 (13.73%) Military
20 21 (13.73%) TCP/IP
21 20 (13.07%) Ethernet

JavaScript
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 14 (9.15%) SharePoint
2 13 (8.50%) SharePoint 2013
3 10 (6.54%) Apache
4 8 (5.23%) CMS
4 8 (5.23%) Tomcat
5 3 (1.96%) IIS
5 3 (1.96%) NServiceBus
5 3 (1.96%) WordPress
6 2 (1.31%) Elasticsearch
7 1 (0.65%) nginx
Applications
1 4 (2.61%) Photoshop
2 3 (1.96%) Microsoft Office
3 1 (0.65%) Adobe Creative Suite
3 1 (0.65%) Adobe Illustrator
Business Applications
1 6 (3.92%) Dynamics CRM
2 1 (0.65%) Payment Gateway
Cloud Services
1 14 (9.15%) Amazon AWS
2 11 (7.19%) Microsoft Azure
2 11 (7.19%) Office 365
3 4 (2.61%) Google Analytics
4 3 (1.96%) Dynamics 365
5 2 (1.31%) Adobe Creative Cloud
5 2 (1.31%) npm
6 1 (0.65%) Heroku
Communications & Networking
1 21 (13.73%) TCP/IP
2 20 (13.07%) Ethernet
3 7 (4.58%) Internet
4 4 (2.61%) Firewall
5 2 (1.31%) DNS
6 1 (0.65%) FTP
6 1 (0.65%) HTTP
6 1 (0.65%) SMS
6 1 (0.65%) SSL
Database & Business Intelligence
1 28 (18.30%) SQL Server
2 10 (6.54%) MongoDB
3 9 (5.88%) MySQL
4 6 (3.92%) Endeca
5 5 (3.27%) Relational Database
5 5 (3.27%) Sybase ASE
6 4 (2.61%) SQL Server Integration Services
7 3 (1.96%) RDBMS
8 2 (1.31%) SQL Server 2008
9 1 (0.65%) Data Warehouse
9 1 (0.65%) NoSQL
9 1 (0.65%) PostgreSQL
9 1 (0.65%) SQL Server 2012
9 1 (0.65%) SQL Server Reporting Services
Development Applications
1 41 (26.80%) Visual Studio
2 26 (16.99%) Eclipse
3 23 (15.03%) Git (software)
4 20 (13.07%) NetBeans
5 12 (7.84%) Team Foundation Server
6 11 (7.19%) Visual Studio Code
7 10 (6.54%) gulp
7 10 (6.54%) Subversion
8 6 (3.92%) Maven
9 5 (3.27%) Octopus Deploy
10 4 (2.61%) Grunt
10 4 (2.61%) IntelliJ
10 4 (2.61%) webpack
11 1 (0.65%) Gradle
11 1 (0.65%) Jasmine
11 1 (0.65%) JMeter
11 1 (0.65%) jMock
11 1 (0.65%) JUnit
11 1 (0.65%) Selenium
11 1 (0.65%) Visual Studio Team System
General
1 21 (13.73%) Military
2 17 (11.11%) Aerospace
3 14 (9.15%) Retail
4 11 (7.19%) Finance
5 8 (5.23%) Law
5 8 (5.23%) Marketing
6 3 (1.96%) Back Office
6 3 (1.96%) Multimedia
7 2 (1.31%) Advertising
8 1 (0.65%) Telecoms
Job Titles
1 103 (67.32%) Developer
2 21 (13.73%) .NET Developer
3 20 (13.07%) Java Developer
4 19 (12.42%) Front End Developer (Client-Side Developer)
5 15 (9.80%) Full Stack Developer
6 14 (9.15%) SharePoint Developer
7 10 (6.54%) Consultant
7 10 (6.54%) JavaScript Developer
8 9 (5.88%) ASP.NET Developer
9 8 (5.23%) C# Developer
10 7 (4.58%) Junior
10 7 (4.58%) React Developer
10 7 (4.58%) Senior Developer
11 6 (3.92%) Automation Engineer
11 6 (3.92%) C# .NET Developer
11 6 (3.92%) CRM Developer
11 6 (3.92%) Junior Developer
12 5 (3.27%) Angular Developer
12 5 (3.27%) SQL Developer
12 5 (3.27%) Web Developer
Libraries, Frameworks & Software Standards
1 81 (52.94%) CSS
2 77 (50.33%) HTML
3 61 (39.87%) .NET
4 48 (31.37%) jQuery
4 48 (31.37%) Web Services
5 37 (24.18%) ASP.NET
5 37 (24.18%) HTML5
5 37 (24.18%) REST
6 35 (22.88%) Node.js
7 22 (14.38%) AngularJS
7 22 (14.38%) Spring
8 20 (13.07%) Qt
9 16 (10.46%) ASP.NET MVC
9 16 (10.46%) ASP.NET Web API
9 16 (10.46%) RESTful
10 15 (9.80%) React
11 14 (9.15%) .NET Framework
11 14 (9.15%) MFC
11 14 (9.15%) Spring Boot
11 14 (9.15%) XML
Miscellaneous
1 10 (6.54%) User Experience
2 7 (4.58%) Social Media
3 4 (2.61%) Greenfield Project
3 4 (2.61%) Internet of Things
4 3 (1.96%) Algorithms
4 3 (1.96%) Analytical Skills
5 1 (0.65%) Data Structures
Operating Systems
1 28 (18.30%) Windows
2 24 (15.69%) Linux
3 7 (4.58%) Windows Server
4 1 (0.65%) CentOS
4 1 (0.65%) Ubuntu
4 1 (0.65%) Windows Server 2012
Processes & Methodologies
1 51 (33.33%) Agile Software Development
2 39 (25.49%) MVC
3 33 (21.57%) Software Engineering
4 26 (16.99%) Front End Development
5 23 (15.03%) Scrum
6 20 (13.07%) Web Development
7 19 (12.42%) Workflow
8 17 (11.11%) Mathematics
9 16 (10.46%) TDD
10 11 (7.19%) Migration
11 10 (6.54%) Kanban
12 9 (5.88%) Microservices
12 9 (5.88%) Unit Testing
13 8 (5.23%) BDD
13 8 (5.23%) Domain-Driven Design
13 8 (5.23%) E-Commerce
14 7 (4.58%) CRM
14 7 (4.58%) SOA
14 7 (4.58%) Test Automation
14 7 (4.58%) Web Design
Programming Languages
1 65 (42.48%) C#
2 49 (32.03%) Java
3 32 (20.92%) SQL
4 26 (16.99%) PowerShell
5 20 (13.07%) C++
6 16 (10.46%) T-SQL
7 14 (9.15%) GLSL
7 14 (9.15%) HLSL
8 10 (6.54%) PHP
9 7 (4.58%) Java 8
10 5 (3.27%) ES6
11 4 (2.61%) Python
11 4 (2.61%) TypeScript
12 3 (1.96%) Groovy
13 2 (1.31%) C
14 1 (0.65%) ES7
14 1 (0.65%) Go
14 1 (0.65%) R
Qualifications
1 20 (13.07%) Degree
2 17 (11.11%) Security Cleared
3 14 (9.15%) SC Cleared
Quality Assurance & Compliance
1 8 (5.23%) QA
2 3 (1.96%) WCAG
System Software
1 10 (6.54%) vSphere
2 6 (3.92%) Docker
3 4 (2.61%) VMware NSX
4 1 (0.65%) Active Directory
4 1 (0.65%) VMware Infrastructure
Systems Management
1 13 (8.50%) vRealize
1 13 (8.50%) vRealize Orchestrator
2 10 (6.54%) vCenter Server
3 3 (1.96%) Kubernetes
4 2 (1.31%) Docker Swarm
4 2 (1.31%) Mesos
Vendors
1 46 (30.07%) Microsoft
2 14 (9.15%) Nintex
3 13 (8.50%) VMware
4 8 (5.23%) Sony
5 7 (4.58%) Google
6 6 (3.92%) Adobe
7 5 (3.27%) Sybase
8 4 (2.61%) New Relic
9 3 (1.96%) hybris
10 1 (0.65%) Computacenter
10 1 (0.65%) Facebook
10 1 (0.65%) Omniture
10 1 (0.65%) Tableau
10 1 (0.65%) Twitter