Period
to 15 August 2018

The following table provides summary statistics for contract job vacancies advertised in South London 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 15 August 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)
London > South London
6 months to
15 Aug 2018
Same period 2017 Same period 2016
Rank 14 20 9
Rank change year-on-year +6 -11 +3
Contract jobs citing JavaScript 233 99 146
As % of all contract IT jobs advertised in South London 12.19% 10.02% 12.66%
As % of the Programming Languages category 23.75% 18.23% 30.48%
Number of daily rates quoted 177 71 125
South London median daily rate £450 £455 £388
Median daily rate % change year-on-year -1.10% +17.42% +10.71%
10th Percentile £313 £306 £300
90th Percentile £538 £575 £513
London median daily rate £500 £475 £450
% change year-on-year +5.26% +5.56% +9.09%
Number of hourly rates quoted 2 0 1
South London median hourly rate £41.75 - £21.20
London median hourly rate £33.50 £24.89 £29.55
% change year-on-year +34.59% -15.77% +32.27%

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 South London with a requirement for coding skills.

All Programming Languages
South London
Contract vacancies with a requirement for coding skills 981 543 479
As % of all contract IT jobs advertised in South London 51.33% 54.96% 41.54%
Number of daily rates quoted 695 345 361
South London median daily rate £500 £475 £400
Median daily rate % change year-on-year +5.26% +18.75% +14.29%
10th Percentile £355 £340 £275
90th Percentile £588 £675 £538
London median daily rate £515 £500 £450
% change year-on-year +3.00% +11.11% -
Number of hourly rates quoted 25 42 4
South London median hourly rate £45.00 £47.83 £20.85
Median hourly rate % change year-on-year -5.92% +129.40% -60.03%
10th Percentile £37.35 £40.13 £19.03
90th Percentile £47.83 £52.95 £41.36
London median hourly rate £39.00 £40.00 £27.38
% change year-on-year -2.50% +46.08% -1.00%

JavaScript
Job Vacancy Trend in South London

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

Job vacancy trend for JavaScript in South London

JavaScript
Contractor Daily Rate Trend in South London

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

Contractor daily rate trend for JavaScript in South London

JavaScript
Contractor Daily Rate Histogram in South London

The daily rate distribution of IT jobs citing JavaScript in South London over the 6 months to 15 August 2018.

Contractor daily rate histogram for JavaScript in South London

JavaScript
Contractor Hourly Rate Trend in South London

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

Contractor hourly rate trend for JavaScript in South London

JavaScript
Contract Job Locations in South London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JavaScript within the South London region over the 6 months to 15 August 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
Croydon +3 134 £475 - 9
Bromley +8 25 £375 -38.78% 9
Kingston Upon Thames +6 11 £365 -23.16% 7
Merton +3 11 £400 +18.52%
Sutton - 2 £383 - 12
Wandsworth - 1 £325 -
JavaScript
London

For the 6 months to 15 August 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 South London region with a requirement for JavaScript.

1 116 (49.79%) CSS
2 108 (46.35%) HTML
3 106 (45.49%) AngularJS
4 104 (44.64%) Agile Software Development
5 83 (35.62%) CSS3
6 75 (32.19%) Front End Development
7 73 (31.33%) Java
8 70 (30.04%) Node.js
8 70 (30.04%) Test Automation
9 60 (25.75%) HTML5
9 60 (25.75%) TDD
10 57 (24.46%) Security Cleared
11 52 (22.32%) SC Cleared
12 49 (21.03%) Sass
12 49 (21.03%) Karma Test Runner
13 45 (19.31%) Grunt
13 45 (19.31%) Jasmine
14 42 (18.03%) Scrum
15 39 (16.74%) gulp
16 38 (16.31%) React
17 37 (15.88%) Adobe
18 36 (15.45%) DevOps
19 35 (15.02%) Web Development
20 34 (14.59%) Git (software)
21 33 (14.16%) Photoshop
21 33 (14.16%) Redux
22 32 (13.73%) Spring
23 30 (12.88%) jQuery
24 29 (12.45%) Spring Boot
25 28 (12.02%) Express

JavaScript
Co-occurring IT Skills in South London 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 20 (8.58%) Confluence
2 14 (6.01%) WordPress
3 11 (4.72%) Elasticsearch
4 7 (3.00%) JBoss
5 4 (1.72%) CMS
5 4 (1.72%) Tomcat
5 4 (1.72%) WildFly
6 3 (1.29%) Apache Spark
6 3 (1.29%) Jetty
6 3 (1.29%) Oracle Self-Service HR
6 3 (1.29%) SharePoint
6 3 (1.29%) WebLogic
7 2 (0.86%) ArcGIS
7 2 (0.86%) EPiServer
8 1 (0.43%) Sitecore CMS
Applications
1 33 (14.16%) Photoshop
2 3 (1.29%) InVision
2 3 (1.29%) Microsoft Excel
2 3 (1.29%) OmniGraffle
3 1 (0.43%) Adobe Creative Suite
3 1 (0.43%) InDesign
Cloud Services
1 25 (10.73%) Amazon AWS
2 19 (8.15%) SaaS
3 12 (5.15%) npm
4 7 (3.00%) Sauce Labs
5 6 (2.58%) Adobe Analytics
6 5 (2.15%) Microsoft Azure
7 3 (1.29%) GitHub
8 1 (0.43%) Force.com
8 1 (0.43%) Office 365
Communications & Networking
1 3 (1.29%) HTTP
1 3 (1.29%) SMS
1 3 (1.29%) SSH
2 1 (0.43%) DNS
2 1 (0.43%) SSL
Database & Business Intelligence
1 15 (6.44%) Redis
2 12 (5.15%) PostgreSQL
3 10 (4.29%) SQL Server
4 6 (2.58%) MySQL
5 4 (1.72%) Hadoop
5 4 (1.72%) MongoDB
5 4 (1.72%) NoSQL
6 3 (1.29%) Oracle Database
7 2 (0.86%) Data Warehouse
7 2 (0.86%) Geospatial Data
7 2 (0.86%) GIS
7 2 (0.86%) RDBMS
7 2 (0.86%) Relational Database
8 1 (0.43%) HBase
8 1 (0.43%) Neo4j
8 1 (0.43%) SQL Server Integration Services
Development Applications
1 49 (21.03%) Karma Test Runner
2 45 (19.31%) Grunt
2 45 (19.31%) Jasmine
3 39 (16.74%) gulp
4 34 (14.59%) Git (software)
5 23 (9.87%) JIRA
6 22 (9.44%) Cucumber
7 21 (9.01%) Maven
8 17 (7.30%) Selenium
9 16 (6.87%) webpack
10 12 (5.15%) Babel
10 12 (5.15%) JMeter
11 11 (4.72%) Protractor
12 10 (4.29%) Jenkins
13 8 (3.43%) WebDriver
14 7 (3.00%) Burp Suite
14 7 (3.00%) GitLab
14 7 (3.00%) Hudson
14 7 (3.00%) SoapUI
14 7 (3.00%) Travis CI
General
1 23 (9.87%) Finance
2 18 (7.73%) Retail
3 15 (6.44%) Advertising
4 7 (3.00%) Marketing
5 5 (2.15%) Law
6 1 (0.43%) Back Office
6 1 (0.43%) Games
6 1 (0.43%) Publishing
Job Titles
1 191 (81.97%) Developer
2 89 (38.20%) Front End Developer (Client-Side Developer)
3 69 (29.61%) JavaScript Developer
4 37 (15.88%) Angular Developer
4 37 (15.88%) UI Developer
5 25 (10.73%) Java Developer
6 24 (10.30%) Node.js Developer
7 20 (8.58%) HTML Developer
8 16 (6.87%) React Developer
9 15 (6.44%) HTML CSS Developer
10 10 (4.29%) Analyst
10 10 (4.29%) Senior Developer
10 10 (4.29%) Tester
11 9 (3.86%) Full Stack Developer
11 9 (3.86%) WordPress Developer
12 8 (3.43%) C# Developer
12 8 (3.43%) Python Developer
13 7 (3.00%) .NET Developer
13 7 (3.00%) Agile Tester
14 6 (2.58%) Senior UI Developer
Libraries, Frameworks & Software Standards
1 116 (49.79%) CSS
2 108 (46.35%) HTML
3 106 (45.49%) AngularJS
4 83 (35.62%) CSS3
5 70 (30.04%) Node.js
6 60 (25.75%) HTML5
7 49 (21.03%) Sass
8 38 (16.31%) React
9 33 (14.16%) Redux
10 32 (13.73%) Spring
11 30 (12.88%) jQuery
12 29 (12.45%) Spring Boot
13 28 (12.02%) Express
14 26 (11.16%) RESTful
15 24 (10.30%) Hibernate
16 13 (5.58%) .NET
16 13 (5.58%) Apache Camel
16 13 (5.58%) ASP.NET
17 12 (5.15%) Backbone.js
17 12 (5.15%) Web Services
Miscellaneous
1 25 (10.73%) User Experience
2 20 (8.58%) Greenfield Project
3 16 (6.87%) W3C
4 9 (3.86%) Computer Science
5 3 (1.29%) Analytical Skills
5 3 (1.29%) CMDB
5 3 (1.29%) Derivative
5 3 (1.29%) Mobile App
5 3 (1.29%) Self-Motivation
6 2 (0.86%) NHS
7 1 (0.43%) Client/Server
7 1 (0.43%) Enterprise Software
7 1 (0.43%) Graphic Design
Operating Systems
1 4 (1.72%) Windows
2 3 (1.29%) Android
2 3 (1.29%) Apple iOS
2 3 (1.29%) CentOS
2 3 (1.29%) Debian
2 3 (1.29%) Linux
2 3 (1.29%) Mac OS X
2 3 (1.29%) Red Hat Enterprise Linux
2 3 (1.29%) Ubuntu
3 1 (0.43%) Unix
Processes & Methodologies
1 104 (44.64%) Agile Software Development
2 75 (32.19%) Front End Development
3 70 (30.04%) Test Automation
4 60 (25.75%) TDD
5 42 (18.03%) Scrum
6 36 (15.45%) DevOps
7 35 (15.02%) Web Development
8 27 (11.59%) Microservices
8 27 (11.59%) MVC
9 26 (11.16%) OO
10 21 (9.01%) Problem-Solving
11 20 (8.58%) Continuous Deployment
11 20 (8.58%) E-Commerce
12 17 (7.30%) Continuous Integration
12 17 (7.30%) MVVM
12 17 (7.30%) Responsive Web Design
13 16 (6.87%) BDD
14 15 (6.44%) Continuous Delivery
15 12 (5.15%) Unit Testing
16 8 (3.43%) Software Testing
Programming Languages
1 73 (31.33%) Java
2 23 (9.87%) SQL
3 19 (8.15%) ES6
3 19 (8.15%) Java 8
4 13 (5.58%) Python
5 12 (5.15%) C#
6 11 (4.72%) TypeScript
7 9 (3.86%) T-SQL
8 5 (2.15%) Ruby
9 4 (1.72%) VB.NET
10 3 (1.29%) Bash Shell
10 3 (1.29%) C++
10 3 (1.29%) Clojure
10 3 (1.29%) ClojureScript
10 3 (1.29%) Groovy
10 3 (1.29%) Perl
10 3 (1.29%) PHP
10 3 (1.29%) PL/SQL
10 3 (1.29%) Scala
10 3 (1.29%) VBA
Qualifications
1 57 (24.46%) Security Cleared
2 52 (22.32%) SC Cleared
3 9 (3.86%) Degree
4 8 (3.43%) DV Cleared
5 1 (0.43%) ITIL Certification
Quality Assurance & Compliance
1 14 (6.01%) QA
2 8 (3.43%) SLA
3 2 (0.86%) PMO
System Software
1 23 (9.87%) Docker
Systems Management
1 7 (3.00%) Kibana
1 7 (3.00%) logstash
2 3 (1.29%) Puppet
2 3 (1.29%) Salt
3 1 (0.43%) Ansible
3 1 (0.43%) Kubernetes
3 1 (0.43%) Single Sign-On
Vendors
1 37 (15.88%) Adobe
2 9 (3.86%) hybris
3 7 (3.00%) Capita
4 5 (2.15%) Microsoft
5 4 (1.72%) ServiceNow
6 3 (1.29%) Cloudera
6 3 (1.29%) Hortonworks
6 3 (1.29%) Oracle
6 3 (1.29%) Red Hat
6 3 (1.29%) Sybase
7 2 (0.86%) ESRI
7 2 (0.86%) Salesforce.com
8 1 (0.43%) CODA
8 1 (0.43%) IBM
8 1 (0.43%) Sitecore
8 1 (0.43%) XMPie