Period
to 21 January 2019

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 January 2019 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 Jan 2019
Same period 2018 Same period 2017
Rank 25 32 22
Rank change year-on-year +7 -10 -14
Contract jobs citing JavaScript 159 129 84
As % of all contract IT jobs advertised in South London 9.54% 7.43% 8.97%
As % of the Programming Languages category 17.45% 15.47% 21.43%
Number of daily rates quoted 139 110 70
South London median daily rate £475 £475 £379
Median daily rate % change year-on-year - +25.41% +8.21%
10th Percentile £363 £313 £257
90th Percentile £540 £576 £489
London median daily rate £500 £488 £450
% change year-on-year +2.56% +8.33% +5.88%
Number of hourly rates quoted 0 0 0
South London median hourly rate - - -
London median hourly rate £36.00 £26.78 £43.13
% change year-on-year +34.45% -37.91% +43.30%

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 911 834 392
As % of all contract IT jobs advertised in South London 54.68% 48.04% 41.88%
Number of daily rates quoted 722 602 248
South London median daily rate £525 £500 £425
Median daily rate % change year-on-year +5.00% +17.65% +13.33%
10th Percentile £388 £350 £275
90th Percentile £600 £670 £575
London median daily rate £525 £500 £475
% change year-on-year +5.00% +5.26% +5.56%
Number of hourly rates quoted 16 28 22
South London median hourly rate £44.42 £47.83 £47.83
Median hourly rate % change year-on-year -7.14% - -
10th Percentile £36.25 £39.46 £41.78
90th Percentile £47.50 £47.83 £50.00
London median hourly rate £36.25 £34.00 £40.00
% change year-on-year +6.62% -15.00% +34.95%

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 January 2019.

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 January 2019. 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 -16 63 £500 - 9
Bromley +1 18 £450 -10.00% 13
Wandsworth -4 12 £435 +8.75%
Merton +12 9 £450 +28.57% 2
Sutton - 9 £419 - 2
Kingston Upon Thames +2 6 £358 +10.00% 9
JavaScript
London

For the 6 months to 21 January 2019, 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.

1 100 (62.89%) Agile Software Development
2 79 (49.69%) HTML
3 75 (47.17%) CSS
4 67 (42.14%) AngularJS
5 60 (37.74%) Java
6 45 (28.30%) TDD
6 45 (28.30%) Test Automation
7 38 (23.90%) RESTful
7 38 (23.90%) CSS3
7 38 (23.90%) Web Development
8 37 (23.27%) MVC
8 37 (23.27%) HTML5
8 37 (23.27%) Front End Development
9 36 (22.64%) React
9 36 (22.64%) Amazon AWS
10 30 (18.87%) Scrum
11 27 (16.98%) Git (software)
11 27 (16.98%) Microservices
11 27 (16.98%) DevOps
12 26 (16.35%) Hibernate
12 26 (16.35%) Spring
13 24 (15.09%) .NET
13 24 (15.09%) Photoshop
13 24 (15.09%) Java 8
14 23 (14.47%) Adobe
14 23 (14.47%) Maven
15 21 (13.21%) jQuery
15 21 (13.21%) Greenfield Project
15 21 (13.21%) TypeScript
15 21 (13.21%) Spring Boot

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 10 (6.29%) Elasticsearch
2 7 (4.40%) WordPress
3 6 (3.77%) JBoss
4 3 (1.89%) Confluence
4 3 (1.89%) Tomcat
4 3 (1.89%) WebLogic
4 3 (1.89%) WildFly
5 2 (1.26%) Apache
5 2 (1.26%) CMS
5 2 (1.26%) SharePoint
Applications
1 24 (15.09%) Photoshop
2 3 (1.89%) InVision
2 3 (1.89%) OmniGraffle
Business Applications
1 3 (1.89%) Magento
2 2 (1.26%) Payment Gateway
3 1 (0.63%) Dynamics AX
3 1 (0.63%) Dynamics CRM
3 1 (0.63%) Dynamics NAV
3 1 (0.63%) Remedy ITSM
Cloud Services
1 36 (22.64%) Amazon AWS
2 12 (7.55%) Microsoft Azure
3 8 (5.03%) Sauce Labs
4 5 (3.14%) Adobe Analytics
4 5 (3.14%) Serverless
5 4 (2.52%) SaaS
6 3 (1.89%) Google Cloud Platform
7 2 (1.26%) Amazon Kinesis
7 2 (1.26%) AWS CloudFormation
7 2 (1.26%) Cloudflare
8 1 (0.63%) Amazon SQS
8 1 (0.63%) GitHub
8 1 (0.63%) Google Analytics
Communications & Networking
1 2 (1.26%) Internet
Database & Business Intelligence
1 9 (5.66%) NoSQL
2 7 (4.40%) MySQL
3 6 (3.77%) PostgreSQL
3 6 (3.77%) Relational Database
4 4 (2.52%) MongoDB
4 4 (2.52%) SQL Server
5 3 (1.89%) Big Data
5 3 (1.89%) Hadoop
6 2 (1.26%) Amazon Redshift
6 2 (1.26%) Cosmos DB
6 2 (1.26%) RavenDB
6 2 (1.26%) Redis
7 1 (0.63%) Blockchain
7 1 (0.63%) HBase
7 1 (0.63%) Oracle Database
7 1 (0.63%) Oracle Database 11g
7 1 (0.63%) RDBMS
Development Applications
1 27 (16.98%) Git (software)
2 23 (14.47%) Maven
3 17 (10.69%) Cucumber
3 17 (10.69%) JMeter
4 12 (7.55%) Jenkins
5 11 (6.92%) Karma Test Runner
6 10 (6.29%) Grunt
6 10 (6.29%) Jasmine
6 10 (6.29%) Protractor
7 8 (5.03%) Burp Suite
7 8 (5.03%) SoapUI
7 8 (5.03%) WebDriver
8 6 (3.77%) Selenium
9 5 (3.14%) Hudson
9 5 (3.14%) JUnit
9 5 (3.14%) Subversion
10 4 (2.52%) gulp
11 3 (1.89%) Axure RP
11 3 (1.89%) DbUnit
11 3 (1.89%) Gradle
General
1 14 (8.81%) Advertising
2 12 (7.55%) Finance
2 12 (7.55%) Retail
3 7 (4.40%) Marketing
4 4 (2.52%) Banking
5 2 (1.26%) Investment Banking
5 2 (1.26%) Legal
6 1 (0.63%) Back Office
6 1 (0.63%) Publishing
Job Titles
1 114 (71.70%) Developer
2 47 (29.56%) JavaScript Developer
3 30 (18.87%) Java Developer
4 26 (16.35%) Front End Developer (Client-Side Developer)
5 19 (11.95%) UI Developer
6 17 (10.69%) Angular Developer
7 11 (6.92%) Tester
8 9 (5.66%) HTML Developer
9 8 (5.03%) Agile Tester
9 8 (5.03%) Designer
9 8 (5.03%) Full Stack Developer
10 7 (4.40%) .NET Developer
10 7 (4.40%) C# Developer
11 6 (3.77%) HTML CSS Developer
11 6 (3.77%) React Developer
12 5 (3.14%) Architect
12 5 (3.14%) Web Designer
13 4 (2.52%) Cordova Developer
13 4 (2.52%) Implementation Specialist
13 4 (2.52%) JavaScript Engineer
Libraries, Frameworks & Software Standards
1 79 (49.69%) HTML
2 75 (47.17%) CSS
3 67 (42.14%) AngularJS
4 38 (23.90%) CSS3
4 38 (23.90%) RESTful
5 37 (23.27%) HTML5
6 36 (22.64%) React
7 26 (16.35%) Hibernate
7 26 (16.35%) Spring
8 24 (15.09%) .NET
9 21 (13.21%) jQuery
9 21 (13.21%) Spring Boot
10 16 (10.06%) Java EE
11 12 (7.55%) Redux
12 11 (6.92%) Ajax
12 11 (6.92%) REST
12 11 (6.92%) Web Services
13 9 (5.66%) DOM
13 9 (5.66%) LESS
14 8 (5.03%) Twitter Bootstrap
Miscellaneous
1 21 (13.21%) Greenfield Project
2 18 (11.32%) Analytical Skills
3 17 (10.69%) User Experience
4 8 (5.03%) Mobile App
5 7 (4.40%) W3C
6 3 (1.89%) Self-Motivation
7 2 (1.26%) Virtual Team
8 1 (0.63%) CMDB
8 1 (0.63%) Fintech
8 1 (0.63%) Graphic Design
Operating Systems
1 6 (3.77%) Linux
2 2 (1.26%) Red Hat Enterprise Linux
3 1 (0.63%) Android
3 1 (0.63%) Unix
Processes & Methodologies
1 100 (62.89%) Agile Software Development
2 45 (28.30%) TDD
2 45 (28.30%) Test Automation
3 38 (23.90%) Web Development
4 37 (23.27%) Front End Development
4 37 (23.27%) MVC
5 30 (18.87%) Scrum
6 27 (16.98%) DevOps
6 27 (16.98%) Microservices
7 20 (12.58%) OO
8 19 (11.95%) BDD
9 14 (8.81%) Continuous Integration
9 14 (8.81%) Problem-Solving
10 12 (7.55%) Analytical Thinking
11 11 (6.92%) Continuous Delivery
12 10 (6.29%) MVVM
12 10 (6.29%) Responsive Web Design
13 9 (5.66%) E-Commerce
13 9 (5.66%) Non-Functional Testing
14 8 (5.03%) Software Testing
Programming Languages
1 60 (37.74%) Java
2 24 (15.09%) Java 8
3 21 (13.21%) TypeScript
4 12 (7.55%) C#
5 7 (4.40%) SQL
6 5 (3.14%) Ruby
7 3 (1.89%) ES6
7 3 (1.89%) PHP
7 3 (1.89%) Python
7 3 (1.89%) Scala
8 1 (0.63%) PHP 5
8 1 (0.63%) PHP 7
8 1 (0.63%) PL/SQL
8 1 (0.63%) SOQL
8 1 (0.63%) T-SQL
Qualifications
1 12 (7.55%) Security Cleared
2 10 (6.29%) SC Cleared
3 2 (1.26%) CEH
4 1 (0.63%) DBS Check
4 1 (0.63%) Degree
4 1 (0.63%) ITIL Certification
Quality Assurance & Compliance
1 7 (4.40%) QA
System Software
1 15 (9.43%) Docker
Systems Management
1 9 (5.66%) Kibana
2 8 (5.03%) logstash
3 6 (3.77%) Terraform
4 5 (3.14%) Ansible
5 4 (2.52%) Kubernetes
6 1 (0.63%) Opscode Chef
6 1 (0.63%) Puppet
Vendors
1 23 (14.47%) Adobe
2 7 (4.40%) hybris
3 6 (3.77%) Microsoft
4 5 (3.14%) Oracle
5 3 (1.89%) Google
5 3 (1.89%) ServiceNow
6 2 (1.26%) IBM
7 1 (0.63%) Apple
7 1 (0.63%) CODA
7 1 (0.63%) Remedy
7 1 (0.63%) Salesforce.com