Period
to 26 May 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 26 May 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
26 May 2018
Same period 2017 Same period 2016
Rank 3 4 6
Rank change year-on-year +1 +2 +7
Contract jobs citing JavaScript 509 392 415
As % of all contract IT jobs advertised in Leeds 19.90% 18.43% 14.31%
As % of the Programming Languages category 38.07% 35.70% 30.31%
Number of daily rates quoted 383 289 332
Leeds median daily rate £400 £400 £400
10th Percentile £311 £310 £293
90th Percentile £525 £525 £569
West Yorkshire median daily rate £400 £400 £375
% change year-on-year - +6.67% +11.52%
Number of hourly rates quoted 1 3 5
Leeds median hourly rate £36.00 £22.50 £9.00
Median hourly rate % change year-on-year +60.00% +150.00% -74.29%
West Yorkshire median hourly rate £34.75 £22.50 £9.00
% change year-on-year +54.44% +150.00% -77.50%

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 1,337 1,098 1,369
As % of all contract IT jobs advertised in Leeds 52.27% 51.62% 47.19%
Number of daily rates quoted 947 770 987
Leeds median daily rate £400 £400 £400
10th Percentile £305 £300 £300
90th Percentile £535 £538 £542
West Yorkshire median daily rate £400 £400 £391
% change year-on-year - +2.24% +11.79%
Number of hourly rates quoted 19 9 6
Leeds median hourly rate £40.00 £19.00 £14.13
Median hourly rate % change year-on-year +110.53% +34.51% -59.64%
10th Percentile £35.60 £10.69 £11.00
90th Percentile £45.25 £28.90 £16.81
West Yorkshire median hourly rate £40.00 £22.50 £15.75
% change year-on-year +77.78% +42.86% -55.00%

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 26 May 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

For the 6 months to 26 May 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.

1 293 (57.56%) Agile Software Development
2 255 (50.10%) HTML
3 236 (46.37%) CSS
4 160 (31.43%) TDD
5 153 (30.06%) Java
6 147 (28.88%) Test Automation
7 145 (28.49%) Git (software)
8 139 (27.31%) C#
9 134 (26.33%) Node.js
9 134 (26.33%) AngularJS
10 132 (25.93%) .NET
11 120 (23.58%) Microservices
12 118 (23.18%) React
13 101 (19.84%) SQL
14 99 (19.45%) Scrum
15 91 (17.88%) MVC
16 86 (16.90%) ASP.NET
17 83 (16.31%) Front End Development
18 80 (15.72%) jQuery
19 78 (15.32%) SQL Server
20 77 (15.13%) BDD
20 77 (15.13%) HTML5
21 75 (14.73%) Software Engineering
22 74 (14.54%) Jenkins
23 73 (14.34%) CSS3
24 72 (14.15%) Linux
25 69 (13.56%) MySQL
26 68 (13.36%) OO
27 67 (13.16%) Docker
28 66 (12.97%) ASP.NET Web API

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 42 (8.25%) Confluence
2 31 (6.09%) Apache
3 23 (4.52%) CMS
4 14 (2.75%) Tomcat
5 10 (1.96%) Apache Spark
6 9 (1.77%) Sitecore CMS
7 8 (1.57%) WordPress
8 7 (1.38%) Adobe Experience Manager
8 7 (1.38%) Elasticsearch
8 7 (1.38%) Umbraco
9 5 (0.98%) OpenStack
10 4 (0.79%) Apache Pig
11 3 (0.59%) JBoss
11 3 (0.59%) Kentico
11 3 (0.59%) nginx
12 2 (0.39%) Drupal
12 2 (0.39%) IIS
12 2 (0.39%) SAS
12 2 (0.39%) SharePoint
12 2 (0.39%) WebSphere
Applications
1 5 (0.98%) Adobe Creative Suite
2 3 (0.59%) Photoshop
3 2 (0.39%) InVision
3 2 (0.39%) OmniGraffle
4 1 (0.20%) Adobe Illustrator
4 1 (0.20%) Fireworks
4 1 (0.20%) GIMP
4 1 (0.20%) UXPin
Business Applications
1 4 (0.79%) Magento
2 3 (0.59%) Dynamics CRM
2 3 (0.59%) Eloqua
3 2 (0.39%) Dynamics AX
3 2 (0.39%) Dynamics NAV
Cloud Services
1 51 (10.02%) Amazon AWS
2 32 (6.29%) Slack
3 25 (4.91%) Microsoft Azure
4 9 (1.77%) npm
4 9 (1.77%) PaaS
5 8 (1.57%) AWS CloudFormation
5 8 (1.57%) GitHub
6 7 (1.38%) CloudFront
6 7 (1.38%) IaaS
7 5 (0.98%) Cloud Computing
7 5 (0.98%) SaaS
8 4 (0.79%) AWS Lambda
9 3 (0.59%) Amazon EC2
9 3 (0.59%) Dynamics 365
9 3 (0.59%) Force.com
9 3 (0.59%) Salesforce Service Cloud
10 2 (0.39%) BrowserStack
10 2 (0.39%) CloudBees
10 2 (0.39%) Google Cloud Platform
10 2 (0.39%) OpenShift
Communications & Networking
1 12 (2.36%) HTTP
2 4 (0.79%) Internet
3 3 (0.59%) Skype
3 3 (0.59%) SMS
4 2 (0.39%) DNS
5 1 (0.20%) AMQP
5 1 (0.20%) DHCP
5 1 (0.20%) Firewall
5 1 (0.20%) FTP
5 1 (0.20%) IPsec
5 1 (0.20%) SMTP
5 1 (0.20%) SSH
5 1 (0.20%) SSL
5 1 (0.20%) TCP/IP
Database & Business Intelligence
1 78 (15.32%) SQL Server
2 69 (13.56%) MySQL
3 59 (11.59%) MongoDB
4 55 (10.81%) NoSQL
5 51 (10.02%) PostgreSQL
6 37 (7.27%) Big Data
7 32 (6.29%) Apache Cassandra
8 21 (4.13%) Apache Hive
9 18 (3.54%) SQL Server 2008
10 16 (3.14%) Relational Database
11 14 (2.75%) SQL Server 2012
12 9 (1.77%) Riak
13 8 (1.57%) Hadoop
14 7 (1.38%) Redis
15 6 (1.18%) HBase
16 5 (0.98%) Data Warehouse
17 4 (0.79%) RDBMS
18 3 (0.59%) SQL Server 2014
19 2 (0.39%) Amazon RDS
20 1 (0.20%) Azure SQL Database
Development Applications
1 145 (28.49%) Git (software)
2 74 (14.54%) Jenkins
3 52 (10.22%) Cucumber
4 48 (9.43%) JIRA
5 38 (7.47%) Maven
6 37 (7.27%) Jasmine
7 36 (7.07%) JUnit
8 27 (5.30%) Selenium
9 24 (4.72%) Octopus Deploy
10 23 (4.52%) Subversion
11 20 (3.93%) gulp
12 18 (3.54%) Grunt
12 18 (3.54%) Mercurial
13 17 (3.34%) Visual Studio
14 16 (3.14%) webpack
15 14 (2.75%) Artifactory
16 13 (2.55%) Babel
17 11 (2.16%) WebDriver
18 10 (1.96%) Team Foundation Server
18 10 (1.96%) TeamCity
General
1 21 (4.13%) Finance
2 15 (2.95%) Marketing
3 13 (2.55%) Retail
4 11 (2.16%) Games
5 10 (1.96%) Banking
5 10 (1.96%) Telecoms
6 3 (0.59%) Legal
7 2 (0.39%) Advertising
7 2 (0.39%) Law
7 2 (0.39%) Manufacturing
7 2 (0.39%) Retail Banking
8 1 (0.20%) Automotive
8 1 (0.20%) Electronics
8 1 (0.20%) Local Government
8 1 (0.20%) Multimedia
8 1 (0.20%) Online Betting
Job Titles
1 402 (78.98%) Developer
2 114 (22.40%) JavaScript Developer
3 73 (14.34%) Java Developer
4 66 (12.97%) .NET Developer
5 52 (10.22%) C# Developer
6 51 (10.02%) Front End Developer (Client-Side Developer)
7 50 (9.82%) React Developer
8 42 (8.25%) Software Engineer
9 36 (7.07%) C# .NET Developer
10 28 (5.50%) Senior Developer
11 26 (5.11%) Angular Developer
12 24 (4.72%) PHP Developer
13 23 (4.52%) HTML Developer
14 21 (4.13%) Software Developer
15 19 (3.73%) JavaScript Engineer
15 19 (3.73%) Sitecore Developer
16 18 (3.54%) Java Engineer
16 18 (3.54%) Node.js Developer
17 17 (3.34%) Java Software Engineer
18 16 (3.14%) Python Developer
Libraries, Frameworks & Software Standards
1 255 (50.10%) HTML
2 236 (46.37%) CSS
3 134 (26.33%) AngularJS
3 134 (26.33%) Node.js
4 132 (25.93%) .NET
5 118 (23.18%) React
6 86 (16.90%) ASP.NET
7 80 (15.72%) jQuery
8 77 (15.13%) HTML5
9 73 (14.34%) CSS3
10 66 (12.97%) ASP.NET Web API
10 66 (12.97%) RESTful
11 65 (12.77%) Spring
12 52 (10.22%) REST
13 48 (9.43%) ASP.NET MVC
13 48 (9.43%) Spring Boot
14 44 (8.64%) Vue (Vue.js)
15 40 (7.86%) .NET Framework
16 38 (7.47%) Kafka
17 37 (7.27%) Hibernate
Miscellaneous
1 42 (8.25%) User Experience
2 19 (3.73%) Greenfield Project
3 14 (2.75%) Enterprise Software
4 12 (2.36%) Mobile App
5 11 (2.16%) Analytical Skills
6 9 (1.77%) Algorithms
6 9 (1.77%) Data Structures
7 6 (1.18%) NHS
8 5 (0.98%) Online Games
9 4 (0.79%) Private Cloud
10 3 (0.59%) Linux Command Line
10 3 (0.59%) Public Cloud
11 2 (0.39%) Digital Media
11 2 (0.39%) FMCG
11 2 (0.39%) Management Information System
11 2 (0.39%) N-Tier
11 2 (0.39%) Self-Motivation
12 1 (0.20%) Clustering
12 1 (0.20%) Mainframe
12 1 (0.20%) Replication
Operating Systems
1 72 (14.15%) Linux
2 38 (7.47%) Red Hat Enterprise Linux
3 14 (2.75%) Apple iOS
4 9 (1.77%) Android
5 6 (1.18%) Windows
6 4 (0.79%) Unix
7 2 (0.39%) CentOS
7 2 (0.39%) Kali Linux
7 2 (0.39%) Mac OS X
7 2 (0.39%) VMS
Processes & Methodologies
1 293 (57.56%) Agile Software Development
2 160 (31.43%) TDD
3 147 (28.88%) Test Automation
4 120 (23.58%) Microservices
5 99 (19.45%) Scrum
6 91 (17.88%) MVC
7 83 (16.31%) Front End Development
8 77 (15.13%) BDD
9 75 (14.73%) Software Engineering
10 68 (13.36%) OO
11 64 (12.57%) Continuous Integration
11 64 (12.57%) Open Source
12 50 (9.82%) Web Development
13 49 (9.63%) Kanban
14 36 (7.07%) Mentoring
15 34 (6.68%) SFIA
16 33 (6.48%) DevOps
17 29 (5.70%) Coaching
18 28 (5.50%) Continuous Delivery
19 27 (5.30%) E-Commerce
Programming Languages
1 153 (30.06%) Java
2 139 (27.31%) C#
3 101 (19.84%) SQL
4 56 (11.00%) PHP
5 34 (6.68%) Java 8
5 34 (6.68%) Python
6 21 (4.13%) Ruby
6 21 (4.13%) T-SQL
7 11 (2.16%) Go
8 10 (1.96%) Kotlin
9 8 (1.57%) Bash Shell
9 8 (1.57%) Objective-C
9 8 (1.57%) TypeScript
10 7 (1.38%) PowerShell
10 7 (1.38%) Scala
11 6 (1.18%) ES6
11 6 (1.18%) Shell Script
12 5 (0.98%) C
12 5 (0.98%) C++
12 5 (0.98%) Perl
Qualifications
1 12 (2.36%) Security Cleared
2 9 (1.77%) Degree
3 7 (1.38%) SC Cleared
4 2 (0.39%) TOGAF Certification
5 1 (0.20%) BC Cleared
5 1 (0.20%) BPSS Clearance
5 1 (0.20%) DBS Check
5 1 (0.20%) ISEB
5 1 (0.20%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 6 (1.18%) QA
2 4 (0.79%) PMO
3 1 (0.20%) WCAG
System Software
1 67 (13.16%) Docker
2 7 (1.38%) Virtual Machines
3 5 (0.98%) VMware NSX
4 4 (0.79%) Apache Flume
5 1 (0.20%) vCloud
5 1 (0.20%) VMware ESXi
5 1 (0.20%) VMware Infrastructure
5 1 (0.20%) Xen
Systems Management
1 41 (8.06%) Puppet
2 20 (3.93%) Terraform
3 16 (3.14%) Ansible
3 16 (3.14%) Grafana
3 16 (3.14%) Opscode Chef
4 14 (2.75%) Graylog
5 9 (1.77%) Rancher
6 5 (0.98%) CFEngine
6 5 (0.98%) Salt
6 5 (0.98%) vRealize Orchestrator
7 3 (0.59%) Kubernetes
7 3 (0.59%) vRealize
8 2 (0.39%) Graphite
8 2 (0.39%) Oozie
8 2 (0.39%) Opsview
8 2 (0.39%) vCenter Server
9 1 (0.20%) HAProxy
9 1 (0.20%) Kibana
9 1 (0.20%) Mesos
9 1 (0.20%) Oracle Identity Management
Vendors
1 33 (6.48%) Red Hat
2 24 (4.72%) Microsoft
3 22 (4.32%) Splunk
4 21 (4.13%) Sitecore
5 11 (2.16%) Oracle
6 9 (1.77%) Zend
7 7 (1.38%) Adobe
8 6 (1.18%) VMware
9 5 (0.98%) Capita
9 5 (0.98%) SAP
10 4 (0.79%) Xamarin
11 3 (0.59%) Google
11 3 (0.59%) Salesforce.com
11 3 (0.59%) ServiceNow
12 2 (0.39%) Marketo
12 2 (0.39%) MuleSoft
12 2 (0.39%) New Relic
12 2 (0.39%) QAD
13 1 (0.20%) Hortonworks
13 1 (0.20%) Rackspace