Period
to 19 August 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 19 August 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
19 Aug 2018
Same period 2017 Same period 2016
Rank 3 4 4
Rank change year-on-year +1 0 +7
Contract jobs citing JavaScript 510 377 536
As % of all contract IT jobs advertised in Leeds 20.66% 17.59% 18.02%
As % of the Programming Languages category 38.84% 36.01% 35.92%
Number of daily rates quoted 387 310 430
Leeds median daily rate £400 £400 £400
10th Percentile £317 £305 £286
90th Percentile £500 £506 £513
West Yorkshire median daily rate £400 £400 £375
% change year-on-year - +6.67% +7.14%
Number of hourly rates quoted 4 0 7
Leeds median hourly rate £25.50 - £9.00
West Yorkshire median hourly rate £33.50 - £9.00

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 1,313 1,047 1,492
As % of all contract IT jobs advertised in Leeds 53.18% 48.86% 50.15%
Number of daily rates quoted 932 783 1,090
Leeds median daily rate £420 £400 £400
Median daily rate % change year-on-year +5.00% - +14.29%
10th Percentile £318 £301 £305
90th Percentile £538 £525 £538
West Yorkshire median daily rate £413 £400 £400
% change year-on-year +3.13% - +14.29%
Number of hourly rates quoted 11 3 9
Leeds median hourly rate £18.99 £39.00 £13.50
Median hourly rate % change year-on-year -51.32% +188.89% -34.15%
10th Percentile £16.16 £19.00 £12.00
90th Percentile £46.25 £40.70 £16.55
West Yorkshire median hourly rate £18.24 £38.00 £14.00
% change year-on-year -51.99% +171.43% -60.00%

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 19 August 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 19 August 2018.

Contractor hourly rate histogram for JavaScript in Leeds

For the 6 months to 19 August 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.

1 272 (53.33%) Agile Software Development
2 260 (50.98%) HTML
3 251 (49.22%) CSS
4 147 (28.82%) AngularJS
5 141 (27.65%) Node.js
6 138 (27.06%) C#
7 137 (26.86%) Git (software)
8 133 (26.08%) TDD
9 132 (25.88%) .NET
10 131 (25.69%) React
11 122 (23.92%) Java
12 114 (22.35%) Test Automation
13 109 (21.37%) Microservices
14 95 (18.63%) MVC
15 94 (18.43%) Front End Development
16 91 (17.84%) ASP.NET
17 90 (17.65%) SQL
18 87 (17.06%) CSS3
19 84 (16.47%) HTML5
19 84 (16.47%) SQL Server
20 80 (15.69%) ASP.NET Web API
21 78 (15.29%) PHP
22 76 (14.90%) MySQL
22 76 (14.90%) Scrum
23 72 (14.12%) Docker
24 68 (13.33%) BDD
25 67 (13.14%) jQuery
26 61 (11.96%) Linux
26 61 (11.96%) Open Source
27 60 (11.76%) Software Engineering

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 32 (6.27%) Confluence
2 26 (5.10%) Apache
3 18 (3.53%) CMS
4 13 (2.55%) Tomcat
5 11 (2.16%) WordPress
6 9 (1.76%) Apache Spark
6 9 (1.76%) Sitecore CMS
7 7 (1.37%) Drupal
8 6 (1.18%) Adobe Experience Manager
9 5 (0.98%) OpenStack
10 3 (0.59%) Elasticsearch
10 3 (0.59%) nginx
10 3 (0.59%) Umbraco
11 2 (0.39%) JBoss
11 2 (0.39%) WebSphere
12 1 (0.20%) ArcGIS
12 1 (0.20%) Oracle Spatial
12 1 (0.20%) SAS
12 1 (0.20%) WebLogic
12 1 (0.20%) WebSphere Application Server
Applications
1 2 (0.39%) InVision
2 1 (0.20%) Microsoft Office
2 1 (0.20%) OmniGraffle
2 1 (0.20%) Photoshop
2 1 (0.20%) UXPin
Business Applications
1 11 (2.16%) Magento
2 2 (0.39%) Payment Gateway
3 1 (0.20%) Dynamics CRM
Cloud Services
1 57 (11.18%) Amazon AWS
2 29 (5.69%) Microsoft Azure
3 21 (4.12%) Slack
4 18 (3.53%) GitHub
5 16 (3.14%) npm
6 12 (2.35%) Amazon EC2
6 12 (2.35%) SaaS
7 10 (1.96%) PaaS
8 8 (1.57%) AWS Lambda
8 8 (1.57%) Cloud Computing
8 8 (1.57%) IaaS
9 6 (1.18%) Force.com
9 6 (1.18%) Salesforce Service Cloud
10 5 (0.98%) AWS CloudFormation
11 4 (0.78%) CloudFront
11 4 (0.78%) Serverless
12 2 (0.39%) BrowserStack
13 1 (0.20%) Dynamics 365
13 1 (0.20%) Google App Engine
13 1 (0.20%) Google Cloud Platform
Communications & Networking
1 12 (2.35%) HTTP
2 3 (0.59%) Skype
2 3 (0.59%) SMS
2 3 (0.59%) SSL
2 3 (0.59%) TCP/IP
3 1 (0.20%) AMQP
3 1 (0.20%) DHCP
3 1 (0.20%) DNS
3 1 (0.20%) FTP
3 1 (0.20%) Internet
3 1 (0.20%) IPsec
Database & Business Intelligence
1 84 (16.47%) SQL Server
2 76 (14.90%) MySQL
3 42 (8.24%) MongoDB
4 41 (8.04%) PostgreSQL
5 34 (6.67%) NoSQL
6 31 (6.08%) Big Data
7 17 (3.33%) Relational Database
8 15 (2.94%) Apache Cassandra
8 15 (2.94%) Apache Hive
9 12 (2.35%) SQL Server 2012
10 11 (2.16%) Amazon RDS
11 10 (1.96%) Riak
12 9 (1.76%) SQL Server 2008
13 8 (1.57%) Redis
14 5 (0.98%) Hadoop
15 4 (0.78%) RDBMS
16 3 (0.59%) Data Warehouse
16 3 (0.59%) HBase
17 2 (0.39%) GIS
17 2 (0.39%) Spatial Data
Development Applications
1 137 (26.86%) Git (software)
2 56 (10.98%) Jenkins
3 49 (9.61%) Cucumber
4 42 (8.24%) Selenium
5 37 (7.25%) JIRA
6 25 (4.90%) Maven
7 23 (4.51%) Jasmine
8 21 (4.12%) webpack
9 20 (3.92%) Octopus Deploy
10 19 (3.73%) JUnit
10 19 (3.73%) WebDriver
11 16 (3.14%) Team Foundation Server
11 16 (3.14%) Visual Studio
12 15 (2.94%) gulp
12 15 (2.94%) Mercurial
13 14 (2.75%) Subversion
13 14 (2.75%) TeamCity
14 13 (2.55%) PHPUnit
15 10 (1.96%) Artifactory
15 10 (1.96%) Vagrant
General
1 18 (3.53%) Finance
2 16 (3.14%) Games
2 16 (3.14%) Marketing
3 13 (2.55%) Retail
4 8 (1.57%) Banking
5 6 (1.18%) Telecoms
6 4 (0.78%) Automotive
7 2 (0.39%) Advertising
7 2 (0.39%) Law
8 1 (0.20%) Legal
8 1 (0.20%) Manufacturing
8 1 (0.20%) Multimedia
Job Titles
1 415 (81.37%) Developer
2 101 (19.80%) JavaScript Developer
3 74 (14.51%) .NET Developer
4 60 (11.76%) C# Developer
5 59 (11.57%) Java Developer
6 55 (10.78%) Front End Developer (Client-Side Developer)
7 52 (10.20%) React Developer
8 47 (9.22%) PHP Developer
9 45 (8.82%) C# .NET Developer
10 30 (5.88%) Angular Developer
11 29 (5.69%) Senior Developer
12 26 (5.10%) HTML Developer
13 25 (4.90%) Node.js Developer
14 22 (4.31%) HTML CSS Developer
14 22 (4.31%) Software Engineer
15 19 (3.73%) Lead Developer
16 18 (3.53%) Python Developer
16 18 (3.53%) Sitecore Developer
16 18 (3.53%) SQL Developer
17 16 (3.14%) Software Developer
Libraries, Frameworks & Software Standards
1 260 (50.98%) HTML
2 251 (49.22%) CSS
3 147 (28.82%) AngularJS
4 141 (27.65%) Node.js
5 132 (25.88%) .NET
6 131 (25.69%) React
7 91 (17.84%) ASP.NET
8 87 (17.06%) CSS3
9 84 (16.47%) HTML5
10 80 (15.69%) ASP.NET Web API
11 67 (13.14%) jQuery
12 51 (10.00%) RESTful
12 51 (10.00%) Vue.js
13 49 (9.61%) ASP.NET MVC
14 46 (9.02%) Spring
15 40 (7.84%) REST
16 37 (7.25%) .NET Framework
17 36 (7.06%) Entity Framework
18 35 (6.86%) Kafka
19 32 (6.27%) Web Services
Miscellaneous
1 31 (6.08%) User Experience
2 20 (3.92%) Enterprise Software
3 15 (2.94%) Mobile App
4 14 (2.75%) Greenfield Project
5 10 (1.96%) Analytical Skills
6 6 (1.18%) Linux Command Line
7 5 (0.98%) NHS
7 5 (0.98%) Online Games
8 4 (0.78%) Algorithms
8 4 (0.78%) Data Structures
8 4 (0.78%) Management Information System
9 3 (0.59%) Public Cloud
9 3 (0.59%) Social Media
10 2 (0.39%) Digital Media
10 2 (0.39%) Private Cloud
10 2 (0.39%) W3C
11 1 (0.20%) CMDB
11 1 (0.20%) Hybrid Cloud
11 1 (0.20%) Self-Motivation
11 1 (0.20%) Virtual Team
Operating Systems
1 61 (11.96%) Linux
2 21 (4.12%) Red Hat Enterprise Linux
3 9 (1.76%) VMS
4 8 (1.57%) Unix
5 6 (1.18%) Windows
6 5 (0.98%) Android
7 4 (0.78%) Apple iOS
8 2 (0.39%) Kali Linux
9 1 (0.20%) Mac OS X
9 1 (0.20%) Ubuntu
Processes & Methodologies
1 272 (53.33%) Agile Software Development
2 133 (26.08%) TDD
3 114 (22.35%) Test Automation
4 109 (21.37%) Microservices
5 95 (18.63%) MVC
6 94 (18.43%) Front End Development
7 76 (14.90%) Scrum
8 68 (13.33%) BDD
9 61 (11.96%) Open Source
10 60 (11.76%) Software Engineering
11 54 (10.59%) OO
12 52 (10.20%) Continuous Integration
13 51 (10.00%) Web Development
14 47 (9.22%) E-Commerce
15 33 (6.47%) DevOps
16 29 (5.69%) Pair Programming
17 28 (5.49%) OOP
18 26 (5.10%) API Testing
19 24 (4.71%) Continuous Delivery
19 24 (4.71%) SOA
Programming Languages
1 138 (27.06%) C#
2 122 (23.92%) Java
3 90 (17.65%) SQL
4 78 (15.29%) PHP
5 37 (7.25%) Python
6 28 (5.49%) Java 8
7 22 (4.31%) Go
8 19 (3.73%) T-SQL
9 16 (3.14%) ES6
9 16 (3.14%) Ruby
10 15 (2.94%) PHP 7
10 15 (2.94%) Scala
11 12 (2.35%) TypeScript
12 11 (2.16%) Groovy
13 10 (1.96%) Kotlin
13 10 (1.96%) PowerShell
14 9 (1.76%) Clojure
14 9 (1.76%) Perl
14 9 (1.76%) Shell Script
15 8 (1.57%) Bash Shell
Qualifications
1 18 (3.53%) Security Cleared
2 13 (2.55%) SC Cleared
3 8 (1.57%) Degree
4 4 (0.78%) BC Cleared
4 4 (0.78%) BPSS Clearance
5 1 (0.20%) DBS Check
5 1 (0.20%) ISEB
5 1 (0.20%) ISTQB Foundation Certification
5 1 (0.20%) Master's Degree
Quality Assurance & Compliance
1 6 (1.18%) QA
2 4 (0.78%) GDPR
3 3 (0.59%) Disclosure Scotland
3 3 (0.59%) PMO
3 3 (0.59%) WCAG
4 2 (0.39%) WAI
System Software
1 72 (14.12%) Docker
2 14 (2.75%) Virtual Machines
3 4 (0.78%) Apache Flume
4 2 (0.39%) VMware NSX
5 1 (0.20%) VMware Infrastructure
5 1 (0.20%) Xen
Systems Management
1 32 (6.27%) Puppet
2 16 (3.14%) Terraform
3 12 (2.35%) Grafana
4 10 (1.96%) Graylog
4 10 (1.96%) Opscode Chef
5 9 (1.76%) Ansible
5 9 (1.76%) Rancher
6 5 (0.98%) CFEngine
6 5 (0.98%) Salt
7 3 (0.59%) Kibana
8 2 (0.39%) Kubernetes
8 2 (0.39%) Oozie
8 2 (0.39%) Prometheus
8 2 (0.39%) Single Sign-On
8 2 (0.39%) vRealize Orchestrator
9 1 (0.20%) Oracle Identity Management
9 1 (0.20%) Oracle Identity Manager
Vendors
1 24 (4.71%) Microsoft
2 21 (4.12%) Sitecore
3 20 (3.92%) Zend
4 19 (3.73%) Splunk
5 17 (3.33%) Red Hat
6 11 (2.16%) Oracle
7 7 (1.37%) Salesforce.com
8 6 (1.18%) Adobe
8 6 (1.18%) Capita
9 5 (0.98%) Google
10 4 (0.78%) ServiceNow
10 4 (0.78%) VMware
11 3 (0.59%) Micro Focus
12 2 (0.39%) SAP
13 1 (0.20%) Cisco
13 1 (0.20%) ESRI
13 1 (0.20%) Hortonworks
13 1 (0.20%) Pega
13 1 (0.20%) Tableau
13 1 (0.20%) webMethods