Period
to 15 November 2018

The following table provides summary statistics for contract job vacancies advertised in Croydon 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 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)
South London > Croydon
6 months to
15 Nov 2018
Same period 2017 Same period 2016
Rank 38 31 17
Rank change year-on-year -7 -14 -11
Contract jobs citing JavaScript 96 70 73
As % of all contract IT jobs advertised in Croydon 8.24% 8.34% 13.18%
As % of the Programming Languages category 14.41% 16.28% 29.55%
Number of daily rates quoted 71 55 55
Croydon median daily rate £500 £500 £400
Median daily rate % change year-on-year - +25.00% -3.03%
10th Percentile £363 £325 £308
90th Percentile £585 £552 £495
South London median daily rate £450 £459 £400
% change year-on-year -1.91% +14.69% +14.29%
Number of hourly rates quoted 0 0 0
Croydon median hourly rate - - -
South London median hourly rate - - £21.20

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 Croydon with a requirement for coding skills.

All Programming Languages
Croydon
Contract vacancies with a requirement for coding skills 666 430 247
As % of all contract IT jobs advertised in Croydon 57.17% 51.25% 44.58%
Number of daily rates quoted 506 265 146
Croydon median daily rate £525 £500 £413
Median daily rate % change year-on-year +5.00% +21.21% -
10th Percentile £398 £381 £303
90th Percentile £588 £639 £527
South London median daily rate £520 £500 £413
% change year-on-year +4.00% +21.21% +17.86%
Number of hourly rates quoted 1 0 0
Croydon median hourly rate £35.00 - -
South London median hourly rate £43.75 £47.83 £47.83
% change year-on-year -8.53% - -

JavaScript
Job Vacancy Trend in Croydon

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

Job vacancy trend for JavaScript in Croydon

JavaScript
Contractor Daily Rate Trend in Croydon

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

Contractor daily rate trend for JavaScript in Croydon

JavaScript
Contractor Daily Rate Histogram in Croydon

The daily rate distribution of IT jobs citing JavaScript in Croydon over the 6 months to 15 November 2018.

Contractor daily rate histogram for JavaScript in Croydon

JavaScript
Contractor Hourly Rate Trend in Croydon

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

Contractor hourly rate trend for JavaScript in Croydon

JavaScript
Contract Job Locations in Croydon

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JavaScript within the Croydon region over the 6 months to 15 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
Thornton Heath - 1 £450 -
JavaScript
South London

For the 6 months to 15 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 Croydon region with a requirement for JavaScript.

1 53 (55.21%) CSS
2 51 (53.13%) HTML
3 46 (47.92%) Agile Software Development
4 39 (40.63%) CSS3
4 39 (40.63%) AngularJS
5 37 (38.54%) Java
6 34 (35.42%) Test Automation
7 33 (34.38%) Security Cleared
8 31 (32.29%) HTML5
9 30 (31.25%) Front End Development
10 29 (30.21%) SC Cleared
11 28 (29.17%) TDD
12 25 (26.04%) Node.js
13 24 (25.00%) OO
14 23 (23.96%) Redux
15 22 (22.92%) Docker
16 20 (20.83%) Amazon AWS
17 19 (19.79%) Grunt
18 18 (18.75%) Jasmine
18 18 (18.75%) Karma Test Runner
19 17 (17.71%) Scrum
19 17 (17.71%) Web Development
20 16 (16.67%) React
21 15 (15.63%) DevOps
21 15 (15.63%) Sass
21 15 (15.63%) Express
21 15 (15.63%) MVC
22 14 (14.58%) SaaS
22 14 (14.58%) Git (software)
22 14 (14.58%) Jenkins

JavaScript
Co-occurring IT Skills in Croydon 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 8 (8.33%) Confluence
2 5 (5.21%) WordPress
3 4 (4.17%) JBoss
4 2 (2.08%) Elasticsearch
4 2 (2.08%) Tomcat
4 2 (2.08%) WebLogic
5 1 (1.04%) CMS
5 1 (1.04%) WildFly
Applications
1 12 (12.50%) Photoshop
Cloud Services
1 20 (20.83%) Amazon AWS
2 14 (14.58%) SaaS
3 9 (9.38%) npm
4 5 (5.21%) Serverless
5 3 (3.13%) GitHub
6 1 (1.04%) Amazon SQS
6 1 (1.04%) Force.com
6 1 (1.04%) Google Cloud Platform
6 1 (1.04%) Microsoft Azure
Communications & Networking
1 1 (1.04%) SMS
Database & Business Intelligence
1 6 (6.25%) PostgreSQL
1 6 (6.25%) Relational Database
2 5 (5.21%) MySQL
3 3 (3.13%) MongoDB
4 2 (2.08%) Data Warehouse
5 1 (1.04%) Big Data
5 1 (1.04%) Hadoop
5 1 (1.04%) HBase
5 1 (1.04%) NoSQL
5 1 (1.04%) RDBMS
5 1 (1.04%) Redis
5 1 (1.04%) SQL Server
Development Applications
1 19 (19.79%) Grunt
2 18 (18.75%) Jasmine
2 18 (18.75%) Karma Test Runner
3 14 (14.58%) Git (software)
3 14 (14.58%) gulp
3 14 (14.58%) Jenkins
4 13 (13.54%) Cucumber
5 12 (12.50%) JMeter
6 11 (11.46%) Selenium
7 9 (9.38%) Babel
7 9 (9.38%) JIRA
7 9 (9.38%) webpack
8 8 (8.33%) GitLab
8 8 (8.33%) Hudson
8 8 (8.33%) Maven
9 7 (7.29%) Travis CI
10 4 (4.17%) Gradle
11 3 (3.13%) DbUnit
11 3 (3.13%) JUnit
12 1 (1.04%) TeamCity
General
1 7 (7.29%) Retail
2 2 (2.08%) Legal
3 1 (1.04%) Finance
Job Titles
1 81 (84.38%) Developer
2 37 (38.54%) JavaScript Developer
3 35 (36.46%) Front End Developer (Client-Side Developer)
4 18 (18.75%) Java Developer
5 13 (13.54%) Angular Developer
6 9 (9.38%) React Developer
7 8 (8.33%) UI Developer
8 6 (6.25%) SC Cleared Java Developer
9 5 (5.21%) HTML CSS Developer
9 5 (5.21%) HTML Developer
9 5 (5.21%) Senior Developer
10 4 (4.17%) Analyst
10 4 (4.17%) Senior Front-End Developer
10 4 (4.17%) Test Analyst
11 3 (3.13%) Applications Developer
11 3 (3.13%) Automation Tester
11 3 (3.13%) Node.js Developer
11 3 (3.13%) Scala Developer
11 3 (3.13%) Tester
12 2 (2.08%) Selenium Tester
Libraries, Frameworks & Software Standards
1 53 (55.21%) CSS
2 51 (53.13%) HTML
3 39 (40.63%) AngularJS
3 39 (40.63%) CSS3
4 31 (32.29%) HTML5
5 25 (26.04%) Node.js
6 23 (23.96%) Redux
7 16 (16.67%) React
8 15 (15.63%) Express
8 15 (15.63%) Sass
9 13 (13.54%) REST
10 12 (12.50%) jQuery
10 12 (12.50%) Web Services
11 10 (10.42%) RESTful
11 10 (10.42%) Spring
12 8 (8.33%) Hibernate
13 7 (7.29%) Angular 2
13 7 (7.29%) Java EE
13 7 (7.29%) NgRx
13 7 (7.29%) Spring Boot
Miscellaneous
1 11 (11.46%) User Experience
2 5 (5.21%) W3C
3 4 (4.17%) Greenfield Project
4 2 (2.08%) NHS
5 1 (1.04%) Mobile App
Operating Systems
1 3 (3.13%) Linux
2 1 (1.04%) Unix
Processes & Methodologies
1 46 (47.92%) Agile Software Development
2 34 (35.42%) Test Automation
3 30 (31.25%) Front End Development
4 28 (29.17%) TDD
5 24 (25.00%) OO
6 17 (17.71%) Scrum
6 17 (17.71%) Web Development
7 15 (15.63%) DevOps
7 15 (15.63%) MVC
8 13 (13.54%) Continuous Deployment
9 10 (10.42%) Microservices
10 8 (8.33%) BDD
10 8 (8.33%) MVVM
10 8 (8.33%) Responsive Web Design
11 7 (7.29%) Collaborative Working
11 7 (7.29%) Problem-Solving
11 7 (7.29%) Unit Testing
12 6 (6.25%) Decision-Making
12 6 (6.25%) Exploratory Testing
12 6 (6.25%) OWASP
Programming Languages
1 37 (38.54%) Java
2 13 (13.54%) ES6
3 10 (10.42%) Java 8
4 8 (8.33%) SQL
5 6 (6.25%) Ruby
5 6 (6.25%) TypeScript
6 3 (3.13%) Scala
7 2 (2.08%) C#
8 1 (1.04%) Apex Code
Qualifications
1 33 (34.38%) Security Cleared
2 29 (30.21%) SC Cleared
3 1 (1.04%) DBS Check
3 1 (1.04%) ITIL Certification
Quality Assurance & Compliance
1 4 (4.17%) QA
2 2 (2.08%) PMO
System Software
1 22 (22.92%) Docker
Systems Management
1 3 (3.13%) Kubernetes
2 2 (2.08%) Ansible
2 2 (2.08%) Terraform
3 1 (1.04%) Opscode Chef
3 1 (1.04%) Puppet
Vendors
1 12 (12.50%) Adobe
2 5 (5.21%) hybris
3 1 (1.04%) Oracle
3 1 (1.04%) Salesforce.com
3 1 (1.04%) ServiceNow