Period
to 19 January 2019

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 19 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)
South London > Croydon
6 months to
19 Jan 2019
Same period 2018 Same period 2017
Rank 51 33 30
Rank change year-on-year -18 -3 -23
Contract jobs citing JavaScript 63 81 43
As % of all contract IT jobs advertised in Croydon 6.20% 7.87% 8.53%
As % of the Programming Languages category 11.09% 16.95% 20.57%
Number of daily rates quoted 49 71 38
Croydon median daily rate £500 £500 £400
Median daily rate % change year-on-year - +25.00% -1.54%
10th Percentile £409 £325 £250
90th Percentile £588 £610 £500
South London median daily rate £475 £475 £383
% change year-on-year - +24.18% +9.29%
Number of hourly rates quoted 0 0 0
Croydon median hourly rate - - -
South London median hourly rate - - -

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 568 478 209
As % of all contract IT jobs advertised in Croydon 55.91% 46.45% 41.47%
Number of daily rates quoted 448 324 116
Croydon median daily rate £525 £500 £425
Median daily rate % change year-on-year +5.00% +17.65% +6.25%
10th Percentile £419 £363 £275
90th Percentile £600 £650 £552
South London median daily rate £525 £500 £425
% change year-on-year +5.00% +17.65% +17.24%
Number of hourly rates quoted 1 0 0
Croydon median hourly rate £35.00 - -
South London median hourly rate £43.92 £47.83 £47.83
% change year-on-year -8.19% - -

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 19 January 2019.

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 19 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
Thornton Heath - 1 £450 -
JavaScript
South London

For the 6 months to 19 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 Croydon region with a requirement for JavaScript.

1 38 (60.32%) Agile Software Development
2 34 (53.97%) HTML
3 31 (49.21%) CSS
4 28 (44.44%) Java
5 27 (42.86%) AngularJS
6 22 (34.92%) MVC
7 21 (33.33%) HTML5
7 21 (33.33%) Test Automation
8 20 (31.75%) OO
9 17 (26.98%) CSS3
10 16 (25.40%) Amazon AWS
10 16 (25.40%) Git (software)
11 15 (23.81%) RESTful
11 15 (23.81%) TDD
12 14 (22.22%) Web Development
12 14 (22.22%) Docker
12 14 (22.22%) DevOps
13 12 (19.05%) Security Cleared
14 11 (17.46%) Adobe
14 11 (17.46%) Photoshop
14 11 (17.46%) Jenkins
14 11 (17.46%) Microservices
14 11 (17.46%) Redux
15 10 (15.87%) Front End Development
15 10 (15.87%) Grunt
15 10 (15.87%) Karma Test Runner
15 10 (15.87%) SC Cleared
15 10 (15.87%) REST
15 10 (15.87%) Responsive Web Design
15 10 (15.87%) Jasmine

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 4 (6.35%) JBoss
2 3 (4.76%) Confluence
3 2 (3.17%) Elasticsearch
3 2 (3.17%) SharePoint
3 2 (3.17%) Tomcat
3 2 (3.17%) WebLogic
4 1 (1.59%) Apache
4 1 (1.59%) CMS
4 1 (1.59%) WildFly
4 1 (1.59%) WordPress
Applications
1 11 (17.46%) Photoshop
Cloud Services
1 16 (25.40%) Amazon AWS
2 5 (7.94%) Serverless
3 4 (6.35%) Microsoft Azure
3 4 (6.35%) SaaS
4 1 (1.59%) Amazon SQS
4 1 (1.59%) GitHub
4 1 (1.59%) Google Cloud Platform
Database & Business Intelligence
1 6 (9.52%) Relational Database
2 4 (6.35%) MySQL
2 4 (6.35%) PostgreSQL
3 2 (3.17%) MongoDB
4 1 (1.59%) Big Data
4 1 (1.59%) Hadoop
4 1 (1.59%) HBase
4 1 (1.59%) NoSQL
4 1 (1.59%) RDBMS
4 1 (1.59%) SQL Server
Development Applications
1 16 (25.40%) Git (software)
2 11 (17.46%) Jenkins
3 10 (15.87%) Grunt
3 10 (15.87%) Jasmine
3 10 (15.87%) Karma Test Runner
4 9 (14.29%) Cucumber
5 8 (12.70%) JMeter
6 7 (11.11%) Maven
7 6 (9.52%) Selenium
8 5 (7.94%) Hudson
9 3 (4.76%) DbUnit
9 3 (4.76%) Gradle
9 3 (4.76%) gulp
9 3 (4.76%) JUnit
10 2 (3.17%) JIRA
11 1 (1.59%) GitLab
11 1 (1.59%) Protractor
11 1 (1.59%) SonarQube
General
1 2 (3.17%) Legal
2 1 (1.59%) Finance
2 1 (1.59%) Retail
Job Titles
1 49 (77.78%) Developer
2 18 (28.57%) JavaScript Developer
3 14 (22.22%) Front End Developer (Client-Side Developer)
4 13 (20.63%) Java Developer
5 9 (14.29%) UI Developer
6 7 (11.11%) Angular Developer
7 4 (6.35%) C# Developer
7 4 (6.35%) React Developer
7 4 (6.35%) SC Cleared Java Developer
8 3 (4.76%) Scala Developer
8 3 (4.76%) Tester
9 2 (3.17%) Automation Tester
9 2 (3.17%) Consultant
9 2 (3.17%) Full Stack Developer
9 2 (3.17%) JavaScript Engineer
9 2 (3.17%) QA Automation Engineer
9 2 (3.17%) QA Engineer
9 2 (3.17%) QA Test Engineer
9 2 (3.17%) Test Automation Engineer
9 2 (3.17%) Test Engineer
Libraries, Frameworks & Software Standards
1 34 (53.97%) HTML
2 31 (49.21%) CSS
3 27 (42.86%) AngularJS
4 21 (33.33%) HTML5
5 17 (26.98%) CSS3
6 15 (23.81%) RESTful
7 11 (17.46%) Redux
8 10 (15.87%) REST
9 9 (14.29%) Ajax
9 9 (14.29%) DOM
9 9 (14.29%) LESS
9 9 (14.29%) Spring
10 8 (12.70%) Hibernate
10 8 (12.70%) Twitter Bootstrap
10 8 (12.70%) Web Services
11 7 (11.11%) jQuery
11 7 (11.11%) React
12 6 (9.52%) Java EE
12 6 (9.52%) Node.js
12 6 (9.52%) Spring Boot
Miscellaneous
1 4 (6.35%) Greenfield Project
2 1 (1.59%) Analytical Skills
2 1 (1.59%) Mobile App
2 1 (1.59%) User Experience
2 1 (1.59%) W3C
Operating Systems
1 5 (7.94%) Linux
2 2 (3.17%) Red Hat Enterprise Linux
Processes & Methodologies
1 38 (60.32%) Agile Software Development
2 22 (34.92%) MVC
3 21 (33.33%) Test Automation
4 20 (31.75%) OO
5 15 (23.81%) TDD
6 14 (22.22%) DevOps
6 14 (22.22%) Web Development
7 11 (17.46%) Microservices
8 10 (15.87%) Front End Development
8 10 (15.87%) MVVM
8 10 (15.87%) Responsive Web Design
9 8 (12.70%) BDD
10 6 (9.52%) Collaborative Working
11 5 (7.94%) Continuous Deployment
11 5 (7.94%) Decision-Making
11 5 (7.94%) Exploratory Testing
11 5 (7.94%) OWASP
12 4 (6.35%) Configuration Management
12 4 (6.35%) Project Management
12 4 (6.35%) User Acceptance Testing
Programming Languages
1 28 (44.44%) Java
2 9 (14.29%) Java 8
3 5 (7.94%) Ruby
3 5 (7.94%) TypeScript
4 4 (6.35%) C#
5 3 (4.76%) Scala
5 3 (4.76%) SQL
6 2 (3.17%) ES6
Qualifications
1 12 (19.05%) Security Cleared
2 10 (15.87%) SC Cleared
3 2 (3.17%) CEH
4 1 (1.59%) DBS Check
4 1 (1.59%) ITIL Certification
Quality Assurance & Compliance
1 3 (4.76%) QA
System Software
1 14 (22.22%) Docker
Systems Management
1 3 (4.76%) Kubernetes
1 3 (4.76%) Terraform
2 2 (3.17%) Ansible
3 1 (1.59%) Opscode Chef
3 1 (1.59%) Puppet
Vendors
1 11 (17.46%) Adobe
2 2 (3.17%) Microsoft
3 1 (1.59%) hybris
3 1 (1.59%) Oracle
3 1 (1.59%) ServiceNow