Period
to 21 June 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 21 June 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
21 Jun 2018
Same period 2017 Same period 2016
Rank 11 18 9
Rank change year-on-year +7 -9 +3
Contract jobs citing JavaScript 197 78 135
As % of all contract IT jobs advertised in South London 11.28% 8.94% 12.31%
As % of the Programming Languages category 24.08% 17.97% 32.22%
Number of daily rates quoted 142 59 126
South London median daily rate £450 £400 £388
Median daily rate % change year-on-year +12.50% +3.23% +19.23%
10th Percentile £300 £263 £241
90th Percentile £588 £575 £488
London median daily rate £500 £470 £438
% change year-on-year +6.38% +7.43% +6.06%
Number of hourly rates quoted 2 0 1
South London median hourly rate £41.75 - £21.20
London median hourly rate £33.77 £27.50 £43.00
% change year-on-year +22.80% -36.05% +91.11%

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 818 434 419
As % of all contract IT jobs advertised in South London 46.85% 49.77% 38.20%
Number of daily rates quoted 560 256 332
South London median daily rate £475 £450 £400
Median daily rate % change year-on-year +5.56% +12.50% +11.50%
10th Percentile £335 £303 £275
90th Percentile £619 £600 £525
London median daily rate £505 £488 £450
% change year-on-year +3.59% +8.33% -
Number of hourly rates quoted 37 43 7
South London median hourly rate £45.00 £47.83 £47.83
Median hourly rate % change year-on-year -5.92% - -8.32%
London median hourly rate £42.50 £40.26 £29.64
% change year-on-year +5.56% +35.83% +6.93%

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 21 June 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 21 June 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 -2 135 £475 +11.76% 4
Bromley +11 23 £375 -31.82% 8
Kingston Upon Thames +13 11 £365 -18.89% 13
Merton -5 7 £425 +44.68% 1
Wandsworth - 1 £325 - 1
Sutton - 1 £575 - 9
JavaScript
London

For the 6 months to 21 June 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.

1 104 (52.79%) HTML
2 101 (51.27%) CSS
3 94 (47.72%) AngularJS
4 77 (39.09%) Agile Software Development
5 73 (37.06%) Node.js
6 72 (36.55%) CSS3
6 72 (36.55%) Security Cleared
6 72 (36.55%) Front End Development
7 71 (36.04%) Java
8 65 (32.99%) SC Cleared
9 61 (30.96%) Test Automation
10 58 (29.44%) HTML5
11 49 (24.87%) Grunt
12 48 (24.37%) Sass
13 46 (23.35%) Jasmine
13 46 (23.35%) React
13 46 (23.35%) TDD
14 45 (22.84%) Karma Test Runner
15 40 (20.30%) Scrum
16 37 (18.78%) jQuery
16 37 (18.78%) Redux
17 35 (17.77%) Git (software)
18 33 (16.75%) Web Development
18 33 (16.75%) gulp
19 32 (16.24%) DevOps
20 31 (15.74%) Photoshop
20 31 (15.74%) Adobe
21 30 (15.23%) Spring
22 29 (14.72%) SQL
23 28 (14.21%) OO

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 25 (12.69%) Confluence
2 14 (7.11%) WordPress
3 13 (6.60%) Elasticsearch
4 6 (3.05%) Tomcat
5 5 (2.54%) CMS
6 3 (1.52%) Apache Spark
6 3 (1.52%) JBoss
6 3 (1.52%) Jetty
6 3 (1.52%) Oracle Self-Service HR
6 3 (1.52%) SharePoint
6 3 (1.52%) WebLogic
7 2 (1.02%) ArcGIS
7 2 (1.02%) EPiServer
8 1 (0.51%) Apache
8 1 (0.51%) Drupal
8 1 (0.51%) IIS
8 1 (0.51%) Sitecore CMS
Applications
1 31 (15.74%) Photoshop
2 3 (1.52%) Microsoft Excel
3 1 (0.51%) Adobe Creative Suite
3 1 (0.51%) InDesign
Cloud Services
1 13 (6.60%) Amazon AWS
1 13 (6.60%) npm
2 10 (5.08%) SaaS
3 5 (2.54%) Sauce Labs
4 4 (2.03%) GitHub
4 4 (2.03%) Microsoft Azure
5 1 (0.51%) Force.com
5 1 (0.51%) Google Cloud Platform
5 1 (0.51%) Office 365
Communications & Networking
1 7 (3.55%) HTTP
2 4 (2.03%) SMS
3 3 (1.52%) SSH
4 2 (1.02%) OpenVPN
5 1 (0.51%) DNS
5 1 (0.51%) SSL
Database & Business Intelligence
1 28 (14.21%) Redis
2 21 (10.66%) SQL Server
3 16 (8.12%) PostgreSQL
4 14 (7.11%) MySQL
5 8 (4.06%) MongoDB
6 7 (3.55%) Neo4j
6 7 (3.55%) Relational Database
7 6 (3.05%) Hadoop
8 3 (1.52%) HBase
8 3 (1.52%) Oracle Database
9 2 (1.02%) Data Warehouse
9 2 (1.02%) Geospatial Data
9 2 (1.02%) GIS
9 2 (1.02%) RDBMS
9 2 (1.02%) SQL Server 2016
10 1 (0.51%) Amazon DynamoDB
10 1 (0.51%) NoSQL
10 1 (0.51%) SQL Server Integration Services
Development Applications
1 49 (24.87%) Grunt
2 46 (23.35%) Jasmine
3 45 (22.84%) Karma Test Runner
4 35 (17.77%) Git (software)
5 33 (16.75%) gulp
6 28 (14.21%) JIRA
7 17 (8.63%) webpack
8 14 (7.11%) Cucumber
9 13 (6.60%) Protractor
9 13 (6.60%) Selenium
10 12 (6.09%) Jenkins
11 11 (5.58%) Babel
12 10 (5.08%) JMeter
13 7 (3.55%) Maven
14 6 (3.05%) Hudson
14 6 (3.05%) SoapUI
14 6 (3.05%) TeamCity
14 6 (3.05%) WebDriver
15 5 (2.54%) Burp Suite
15 5 (2.54%) Subversion
General
1 16 (8.12%) Retail
2 15 (7.61%) Finance
3 9 (4.57%) Advertising
4 5 (2.54%) Law
5 1 (0.51%) Back Office
5 1 (0.51%) Banking
5 1 (0.51%) Games
Job Titles
1 172 (87.31%) Developer
2 89 (45.18%) Front End Developer (Client-Side Developer)
3 59 (29.95%) JavaScript Developer
4 39 (19.80%) UI Developer
5 32 (16.24%) Angular Developer
6 27 (13.71%) Node.js Developer
7 23 (11.68%) HTML Developer
8 22 (11.17%) React Developer
9 20 (10.15%) HTML CSS Developer
10 16 (8.12%) Java Developer
11 12 (6.09%) Senior Developer
12 11 (5.58%) Full Stack Developer
13 10 (5.08%) .NET Developer
13 10 (5.08%) C# Developer
13 10 (5.08%) Tester
14 9 (4.57%) WordPress Developer
15 7 (3.55%) ASP.NET Developer
15 7 (3.55%) C# .NET Developer
15 7 (3.55%) C# ASP.NET Developer
15 7 (3.55%) Python Developer
Libraries, Frameworks & Software Standards
1 104 (52.79%) HTML
2 101 (51.27%) CSS
3 94 (47.72%) AngularJS
4 73 (37.06%) Node.js
5 72 (36.55%) CSS3
6 58 (29.44%) HTML5
7 48 (24.37%) Sass
8 46 (23.35%) React
9 37 (18.78%) jQuery
9 37 (18.78%) Redux
10 30 (15.23%) Spring
11 27 (13.71%) Spring Boot
12 18 (9.14%) Apache Camel
13 17 (8.63%) Express
14 15 (7.61%) .NET
15 14 (7.11%) ASP.NET
16 12 (6.09%) Ajax
17 11 (5.58%) REST
18 10 (5.08%) ASP.NET MVC
18 10 (5.08%) Web Services
Miscellaneous
1 22 (11.17%) User Experience
2 16 (8.12%) W3C
3 8 (4.06%) Computer Science
4 6 (3.05%) Greenfield Project
5 3 (1.52%) Analytical Skills
5 3 (1.52%) Client/Server
5 3 (1.52%) Derivative
6 2 (1.02%) Management Information System
6 2 (1.02%) NHS
7 1 (0.51%) Enterprise Software
Operating Systems
1 8 (4.06%) Linux
1 8 (4.06%) Mac OS X
2 6 (3.05%) Unix
2 6 (3.05%) Windows
3 3 (1.52%) Android
3 3 (1.52%) Apple iOS
3 3 (1.52%) CentOS
3 3 (1.52%) Debian
3 3 (1.52%) Red Hat Enterprise Linux
3 3 (1.52%) Ubuntu
Processes & Methodologies
1 77 (39.09%) Agile Software Development
2 72 (36.55%) Front End Development
3 61 (30.96%) Test Automation
4 46 (23.35%) TDD
5 40 (20.30%) Scrum
6 33 (16.75%) Web Development
7 32 (16.24%) DevOps
8 28 (14.21%) MVC
8 28 (14.21%) OO
9 25 (12.69%) Continuous Deployment
10 22 (11.17%) Responsive Web Design
11 20 (10.15%) E-Commerce
12 18 (9.14%) BDD
13 17 (8.63%) Microservices
13 17 (8.63%) MVVM
13 17 (8.63%) Problem-Solving
14 15 (7.61%) Continuous Integration
15 14 (7.11%) Unit Testing
16 8 (4.06%) Continuous Delivery
16 8 (4.06%) Software Engineering
Programming Languages
1 71 (36.04%) Java
2 29 (14.72%) SQL
3 14 (7.11%) C#
3 14 (7.11%) Python
4 13 (6.60%) ES6
5 9 (4.57%) T-SQL
6 7 (3.55%) Java 8
7 6 (3.05%) VB.NET
8 5 (2.54%) TypeScript
9 4 (2.03%) Groovy
9 4 (2.03%) PL/SQL
9 4 (2.03%) Scala
10 3 (1.52%) Bash Shell
10 3 (1.52%) C
10 3 (1.52%) C++
10 3 (1.52%) Clojure
10 3 (1.52%) Perl
10 3 (1.52%) PHP
10 3 (1.52%) Ruby
10 3 (1.52%) VBA
Qualifications
1 72 (36.55%) Security Cleared
2 65 (32.99%) SC Cleared
3 10 (5.08%) Degree
3 10 (5.08%) DV Cleared
4 1 (0.51%) BPSS Clearance
4 1 (0.51%) ITIL Certification
Quality Assurance & Compliance
1 6 (3.05%) SLA
2 2 (1.02%) PMO
2 2 (1.02%) QA
3 1 (0.51%) Disclosure Scotland
System Software
1 15 (7.61%) Docker
2 2 (1.02%) Active Directory
2 2 (1.02%) Squid
Systems Management
1 6 (3.05%) Kibana
2 5 (2.54%) logstash
3 3 (1.52%) Puppet
3 3 (1.52%) Salt
4 1 (0.51%) Ansible
4 1 (0.51%) Business Desktop Deployment
4 1 (0.51%) Grafana
4 1 (0.51%) Kubernetes
4 1 (0.51%) Single Sign-On
4 1 (0.51%) Systems Management Server (SMS)
Vendors
1 31 (15.74%) Adobe
2 9 (4.57%) hybris
3 4 (2.03%) Capita
3 4 (2.03%) MuleSoft
4 3 (1.52%) Cloudera
4 3 (1.52%) Hortonworks
4 3 (1.52%) IBM
4 3 (1.52%) Microsoft
4 3 (1.52%) Oracle
4 3 (1.52%) Red Hat
4 3 (1.52%) Sybase
5 2 (1.02%) ESRI
5 2 (1.02%) Splunk
6 1 (0.51%) Google
6 1 (0.51%) Salesforce.com
6 1 (0.51%) ServiceNow
6 1 (0.51%) Sitecore
6 1 (0.51%) XMPie