Period
to 22 October 2018

The following table provides summary statistics for contract job vacancies advertised in Leeds 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 22 October 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)
6 months to
22 Oct 2018
Same period 2017 Same period 2016
Rank 3 4 4
Rank change year-on-year +1 0 +6
Contract jobs citing JavaScript 468 359 490
As % of all contract IT jobs advertised in Leeds 19.56% 16.42% 18.03%
As % of the Programming Languages category 39.56% 34.55% 35.66%
Number of daily rates quoted 364 303 363
Leeds median daily rate £400 £400 £413
Median daily rate % change year-on-year - -3.03% +17.86%
10th Percentile £318 £308 £300
90th Percentile £525 £506 £527
West Yorkshire median daily rate £400 £400 £400
Number of hourly rates quoted 3 0 3
Leeds median hourly rate £17.50 - £13.50
West Yorkshire median hourly rate £25.50 - £13.50

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 Leeds with a requirement for coding skills.

All Programming Languages
Leeds
Contract vacancies with a requirement for coding skills 1,183 1,039 1,374
As % of all contract IT jobs advertised in Leeds 49.44% 47.53% 50.55%
Number of daily rates quoted 862 791 964
Leeds median daily rate £420 £400 £410
Median daily rate % change year-on-year +5.00% -2.32% +17.00%
10th Percentile £320 £305 £300
90th Percentile £538 £525 £538
West Yorkshire median daily rate £406 £400 £400
% change year-on-year +1.56% - +14.29%
Number of hourly rates quoted 12 1 6
Leeds median hourly rate £17.00 £40.00 £14.38
Median hourly rate % change year-on-year -57.50% +178.26% -29.88%
10th Percentile £13.43 £39.00 £13.13
90th Percentile £45.00 £41.00 £34.38
West Yorkshire median hourly rate £17.00 £31.00 £14.38
% change year-on-year -45.16% +115.65% -31.55%

JavaScript
Job Vacancy Trend in Leeds

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

Job vacancy trend for JavaScript in Leeds

JavaScript
Contractor Daily Rate Trend in Leeds

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

Contractor daily rate trend for JavaScript in Leeds

JavaScript
Contractor Daily Rate Histogram in Leeds

The daily rate distribution of IT jobs citing JavaScript in Leeds over the 6 months to 22 October 2018.

Contractor daily rate histogram for JavaScript in Leeds

JavaScript
Contractor Hourly Rate Trend in Leeds

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

Contractor hourly rate trend for JavaScript in Leeds

JavaScript
Contractor Hourly Rate Histogram in Leeds

The hourly rate distribution of IT jobs citing JavaScript in Leeds over the 6 months to 22 October 2018.

Contractor hourly rate histogram for JavaScript in Leeds

For the 6 months to 22 October 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 Leeds region with a requirement for JavaScript.

1 234 (50.00%) Agile Software Development
2 217 (46.37%) HTML
3 216 (46.15%) CSS
4 155 (33.12%) React
5 145 (30.98%) Node.js
6 141 (30.13%) AngularJS
7 132 (28.21%) C#
8 123 (26.28%) .NET
9 122 (26.07%) Git (software)
10 119 (25.43%) Microservices
11 117 (25.00%) TDD
12 116 (24.79%) Java
13 93 (19.87%) SQL
14 89 (19.02%) MVC
14 89 (19.02%) Test Automation
15 83 (17.74%) PHP
15 83 (17.74%) Front End Development
16 82 (17.52%) MySQL
17 76 (16.24%) SQL Server
17 76 (16.24%) ASP.NET
18 75 (16.03%) ASP.NET Web API
19 74 (15.81%) HTML5
20 72 (15.38%) Software Engineering
21 71 (15.17%) jQuery
21 71 (15.17%) CSS3
22 60 (12.82%) JIRA
23 59 (12.61%) E-Commerce
23 59 (12.61%) Amazon AWS
24 58 (12.39%) Scrum
25 57 (12.18%) Linux

JavaScript
Co-occurring IT Skills in Leeds 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 55 (11.75%) Confluence
2 25 (5.34%) CMS
3 12 (2.56%) Sitecore CMS
4 11 (2.35%) WordPress
5 9 (1.92%) Adobe Experience Manager
6 8 (1.71%) Apache
7 6 (1.28%) Drupal
8 5 (1.07%) OpenStack
9 4 (0.85%) nginx
10 3 (0.64%) Kentico
11 2 (0.43%) IIS
11 2 (0.43%) Tomcat
12 1 (0.21%) ArcGIS
12 1 (0.21%) Elasticsearch
12 1 (0.21%) JBoss
12 1 (0.21%) Jetty
12 1 (0.21%) Oracle Spatial
12 1 (0.21%) SAS
12 1 (0.21%) WebLogic
12 1 (0.21%) WebSphere
Applications
1 3 (0.64%) Adobe Creative Suite
2 1 (0.21%) InVision
2 1 (0.21%) Microsoft Office
2 1 (0.21%) Photoshop
Business Applications
1 16 (3.42%) Magento
2 5 (1.07%) Payment Gateway
3 2 (0.43%) OpenCart
4 1 (0.21%) Dynamics CRM
Cloud Services
1 59 (12.61%) Amazon AWS
2 30 (6.41%) Slack
3 29 (6.20%) npm
4 25 (5.34%) Microsoft Azure
5 24 (5.13%) Amazon EC2
6 17 (3.63%) GitHub
7 9 (1.92%) PaaS
7 9 (1.92%) SaaS
8 8 (1.71%) Cloud Computing
8 8 (1.71%) IaaS
9 6 (1.28%) Amazon S3
10 5 (1.07%) Serverless
10 5 (1.07%) Virtual Private Cloud
11 4 (0.85%) AWS Lambda
12 3 (0.64%) Amazon ELB
12 3 (0.64%) AWS CloudFormation
12 3 (0.64%) Force.com
12 3 (0.64%) Google Analytics
12 3 (0.64%) Route 53
12 3 (0.64%) Salesforce Service Cloud
Communications & Networking
1 7 (1.50%) HTTP
2 3 (0.64%) Skype
2 3 (0.64%) SSL
2 3 (0.64%) TCP/IP
3 1 (0.21%) DHCP
3 1 (0.21%) DNS
3 1 (0.21%) FTP
3 1 (0.21%) Internet
3 1 (0.21%) IPsec
3 1 (0.21%) SMS
Database & Business Intelligence
1 82 (17.52%) MySQL
2 76 (16.24%) SQL Server
3 42 (8.97%) MongoDB
4 32 (6.84%) PostgreSQL
5 29 (6.20%) NoSQL
6 20 (4.27%) Amazon RDS
7 11 (2.35%) Big Data
7 11 (2.35%) SQL Server 2012
8 7 (1.50%) Redis
8 7 (1.50%) Relational Database
9 6 (1.28%) Apache Cassandra
9 6 (1.28%) Apache Hive
10 5 (1.07%) Riak
10 5 (1.07%) SQL Server 2008
11 2 (0.43%) Amazon Redshift
11 2 (0.43%) Data Lake
11 2 (0.43%) Data Warehouse
11 2 (0.43%) GIS
11 2 (0.43%) Pentaho
11 2 (0.43%) Spatial Data
Development Applications
1 122 (26.07%) Git (software)
2 60 (12.82%) JIRA
3 44 (9.40%) Cucumber
4 40 (8.55%) Jenkins
5 35 (7.48%) Selenium
5 35 (7.48%) webpack
6 25 (5.34%) gulp
7 21 (4.49%) Babel
8 19 (4.06%) IntelliJ
9 18 (3.85%) PHPUnit
9 18 (3.85%) Vagrant
10 17 (3.63%) Octopus Deploy
11 15 (3.21%) WebDriver
12 14 (2.99%) Maven
13 13 (2.78%) Grunt
13 13 (2.78%) TeamCity
14 12 (2.56%) Team Foundation Server
15 11 (2.35%) Mercurial
16 10 (2.14%) Jasmine
17 8 (1.71%) Artifactory
General
1 23 (4.91%) Finance
2 18 (3.85%) Banking
3 13 (2.78%) Games
4 11 (2.35%) Marketing
5 8 (1.71%) Telecoms
6 6 (1.28%) Retail
7 4 (0.85%) Automotive
8 2 (0.43%) Advertising
8 2 (0.43%) Back Office
9 1 (0.21%) Law
9 1 (0.21%) Manufacturing
9 1 (0.21%) Multimedia
Job Titles
1 385 (82.26%) Developer
2 85 (18.16%) JavaScript Developer
3 70 (14.96%) .NET Developer
4 61 (13.03%) Front End Developer (Client-Side Developer)
5 58 (12.39%) React Developer
6 55 (11.75%) C# Developer
7 49 (10.47%) PHP Developer
8 43 (9.19%) C# .NET Developer
9 42 (8.97%) Java Developer
10 29 (6.20%) Angular Developer
11 27 (5.77%) UI Developer
12 26 (5.56%) HTML Developer
12 26 (5.56%) Senior Developer
13 25 (5.34%) Node.js Developer
14 24 (5.13%) HTML CSS Developer
15 23 (4.91%) Software Engineer
16 21 (4.49%) SQL Developer
17 18 (3.85%) Software Developer
18 14 (2.99%) Lead Developer
18 14 (2.99%) SQL Server Developer
Libraries, Frameworks & Software Standards
1 217 (46.37%) HTML
2 216 (46.15%) CSS
3 155 (33.12%) React
4 145 (30.98%) Node.js
5 141 (30.13%) AngularJS
6 123 (26.28%) .NET
7 76 (16.24%) ASP.NET
8 75 (16.03%) ASP.NET Web API
9 74 (15.81%) HTML5
10 71 (15.17%) CSS3
10 71 (15.17%) jQuery
11 52 (11.11%) REST
11 52 (11.11%) Vue.js
12 45 (9.62%) ASP.NET MVC
13 42 (8.97%) Redux
14 39 (8.33%) Sass
15 34 (7.26%) Twitter Bootstrap
16 31 (6.62%) .NET Framework
17 30 (6.41%) Entity Framework
18 28 (5.98%) Spring
Miscellaneous
1 42 (8.97%) User Experience
2 17 (3.63%) Mobile App
3 16 (3.42%) Greenfield Project
4 13 (2.78%) Enterprise Software
5 8 (1.71%) Analytical Skills
6 5 (1.07%) Self-Motivation
7 3 (0.64%) Fat Client
7 3 (0.64%) Linux Command Line
7 3 (0.64%) Management Information System
7 3 (0.64%) Social Media
7 3 (0.64%) Thin Client
7 3 (0.64%) W3C
8 2 (0.43%) Public Cloud
9 1 (0.21%) CMDB
9 1 (0.21%) Computer Science
9 1 (0.21%) Hybrid Cloud
9 1 (0.21%) iPhone
9 1 (0.21%) NHS
9 1 (0.21%) Private Cloud
9 1 (0.21%) Virtual Team
Operating Systems
1 57 (12.18%) Linux
2 24 (5.13%) Red Hat Enterprise Linux
3 16 (3.42%) VMS
4 14 (2.99%) Android
4 14 (2.99%) Apple iOS
5 7 (1.50%) Unix
6 4 (0.85%) Windows
7 3 (0.64%) CentOS
8 1 (0.21%) Kali Linux
8 1 (0.21%) Ubuntu
Processes & Methodologies
1 234 (50.00%) Agile Software Development
2 119 (25.43%) Microservices
3 117 (25.00%) TDD
4 89 (19.02%) MVC
4 89 (19.02%) Test Automation
5 83 (17.74%) Front End Development
6 72 (15.38%) Software Engineering
7 59 (12.61%) E-Commerce
8 58 (12.39%) Scrum
9 54 (11.54%) BDD
9 54 (11.54%) Continuous Integration
10 46 (9.83%) Web Development
11 42 (8.97%) DevOps
12 39 (8.33%) Open Source
13 35 (7.48%) OO
13 35 (7.48%) Pair Programming
14 31 (6.62%) SDLC
15 27 (5.77%) Unit Testing
16 26 (5.56%) OOP
17 23 (4.91%) SOA
Programming Languages
1 132 (28.21%) C#
2 116 (24.79%) Java
3 93 (19.87%) SQL
4 83 (17.74%) PHP
5 26 (5.56%) Python
6 22 (4.70%) Go
7 21 (4.49%) PHP 7
8 20 (4.27%) T-SQL
9 18 (3.85%) Java 8
10 17 (3.63%) ES6
10 17 (3.63%) Scala
11 16 (3.42%) TypeScript
12 14 (2.99%) Groovy
13 13 (2.78%) Ruby
14 11 (2.35%) Clojure
15 10 (2.14%) PowerShell
16 9 (1.92%) Perl
17 8 (1.71%) Bash Shell
18 7 (1.50%) Apex Code
19 6 (1.28%) SOQL
Qualifications
1 16 (3.42%) Security Cleared
2 14 (2.99%) SC Cleared
3 8 (1.71%) BPSS Clearance
4 7 (1.50%) Degree
5 3 (0.64%) BC Cleared
6 2 (0.43%) DBS Check
7 1 (0.21%) AWS Certification
7 1 (0.21%) Computer Science Degree
7 1 (0.21%) ISEB
7 1 (0.21%) ISTQB Foundation Certification
7 1 (0.21%) Master's Degree
Quality Assurance & Compliance
1 6 (1.28%) QA
2 5 (1.07%) Disclosure Scotland
3 4 (0.85%) GDPR
3 4 (0.85%) WCAG
4 3 (0.64%) WAI
5 2 (0.43%) Data Quality
System Software
1 55 (11.75%) Docker
2 8 (1.71%) Virtual Machines
3 1 (0.21%) Active Directory
3 1 (0.21%) VMware Infrastructure
3 1 (0.21%) VMware NSX
3 1 (0.21%) Xen
Systems Management
1 24 (5.13%) Puppet
2 13 (2.78%) Grafana
3 12 (2.56%) Opscode Chef
3 12 (2.56%) Terraform
4 9 (1.92%) Prometheus
5 6 (1.28%) Ansible
5 6 (1.28%) Graylog
5 6 (1.28%) Kubernetes
6 5 (1.07%) CFEngine
6 5 (1.07%) Salt
7 4 (0.85%) Kibana
7 4 (0.85%) Packer
8 3 (0.64%) Rancher
9 2 (0.43%) Graphite
9 2 (0.43%) Single Sign-On
10 1 (0.21%) vRealize Orchestrator
Vendors
1 24 (5.13%) Zend
2 19 (4.06%) Sitecore
3 17 (3.63%) Microsoft
4 9 (1.92%) Adobe
5 8 (1.71%) Salesforce.com
6 7 (1.50%) Google
7 6 (1.28%) Oracle
8 3 (0.64%) Black Duck
8 3 (0.64%) Micro Focus
8 3 (0.64%) Red Hat
8 3 (0.64%) Splunk
8 3 (0.64%) VMware
9 1 (0.21%) Alteryx
9 1 (0.21%) PayPal
9 1 (0.21%) Pega
9 1 (0.21%) ServiceNow
9 1 (0.21%) Tableau
9 1 (0.21%) Telerik
9 1 (0.21%) WorldPay
9 1 (0.21%) Xamarin