The following table provides summary statistics for contract job vacancies advertised in Belfast with a requirement for JavaScript skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited JavaScript over the 3 months to 24 June 2017 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)
County Antrim / Belfast
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 12 10 -
Rank change year-on-year -2 -  
Contract jobs citing JavaScript 62 7 0
As % of all contract IT jobs advertised in Belfast 19.08% 8.33% -
As % of the Programming Languages category 22.63% 22.58% -
Number of daily rates quoted 53 4 0
Median daily rate £403 £363 -
Median daily rate % change year-on-year +10.95% -  
UK excluding London median daily rate £375 £363 £340
% change year-on-year +3.44% +6.61%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £43.39 £37.50 £39.78
% change year-on-year +15.70% -5.71%  

JavaScript is in the programming language skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Belfast with a requirement for programming language skills.

Contract Programming Language Skills
Belfast
Contract job vacancies with a requirement for programming language skills 274 31 49
As % of all contract IT job vacancies advertised in Belfast 84.31% 36.90% 60.49%
Number of daily rates quoted 236 12 24
Median daily rate £413 £401 £350
Median daily rate % change year-on-year +2.99% +14.42%  
90% offered a daily rate of more than £289 £300 £159
10% offered a daily rate of more than £475 £453 £463
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 1 0 2
Median hourly rate £22.50 - £32.00
UK excluding London median hourly rate £42.50 £37.50 £36.50
% change year-on-year +13.33% +2.73%  

JavaScript
Job Vacancy Trend in Belfast

The job posting trend of jobs advertised in Belfast citing JavaScript as a proportion of all contract or permanent IT jobs with a match in the Programming Languages category.

Job vacancy trend for JavaScript in Belfast

JavaScript
Contractor Daily Rate Trend in Belfast

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

Contractor daily rate trend for JavaScript in Belfast

JavaScript
Contractor Daily Rate Histogram in Belfast

The daily rate distribution of IT jobs citing JavaScript in Belfast over the 3 months to 24 June 2017.

Contractor daily rate histogram for JavaScript in Belfast

JavaScript
Contractor Hourly Rate Trend in Belfast

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

Contractor hourly rate trend for JavaScript in Belfast

For the 6 months to 24 June 2017, IT contractor jobs citing JavaScript also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Belfast region with a requirement for JavaScript.

1 39 (46.43%) HTML
2 38 (45.24%) Java
2 38 (45.24%) SQL
3 37 (44.05%) CSS
4 36 (42.86%) Finance
4 36 (42.86%) Node.js
5 35 (41.67%) XML
6 33 (39.29%) .NET
6 33 (39.29%) JSON
7 32 (38.10%) C#
7 32 (38.10%) MVC
8 28 (33.33%) Oracle
8 28 (33.33%) Linux
8 28 (33.33%) Jenkins
8 28 (33.33%) Twitter Bootstrap
9 27 (32.14%) Artifactory
9 27 (32.14%) TeamCity
10 26 (30.95%) Banking
10 26 (30.95%) AngularJS
10 26 (30.95%) Sonatype Nexus
11 24 (28.57%) Web Services
12 22 (26.19%) Continuous Integration
12 22 (26.19%) HTML5
13 20 (23.81%) ASP.NET
13 20 (23.81%) SQL Server
14 19 (22.62%) jQuery
15 18 (21.43%) Unix
15 18 (21.43%) Microsoft
16 17 (20.24%) WCF
16 17 (20.24%) ASP.NET Web API

JavaScript
Co-occurring IT Skills in Belfast 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 7 (8.33%) WebSphere
2 3 (3.57%) SharePoint
3 2 (2.38%) Cloud Foundry
3 2 (2.38%) SharePoint 2010
3 2 (2.38%) SharePoint 2013
4 1 (1.19%) Apache
4 1 (1.19%) Apache Spark
4 1 (1.19%) IIS
Cloud Services
1 5 (5.95%) Cloud Computing
2 3 (3.57%) Amazon AWS
2 3 (3.57%) Sumo Logic
3 1 (1.19%) Amazon EC2
3 1 (1.19%) Amazon S3
3 1 (1.19%) Amazon SQS
3 1 (1.19%) AWS Lambda
3 1 (1.19%) GitHub
3 1 (1.19%) Route 53
Communications & Networking
1 14 (16.67%) LDAP
Database & Business Intelligence
1 20 (23.81%) SQL Server
2 10 (11.90%) MongoDB
2 10 (11.90%) NoSQL
3 2 (2.38%) SQL Server 2008
4 1 (1.19%) Amazon DynamoDB
4 1 (1.19%) Amazon RDS
4 1 (1.19%) Apache Hive
4 1 (1.19%) Big Data
4 1 (1.19%) DB2
4 1 (1.19%) Hadoop
4 1 (1.19%) Impala
Development Applications
1 28 (33.33%) Jenkins
2 27 (32.14%) Artifactory
2 27 (32.14%) TeamCity
3 26 (30.95%) Sonatype Nexus
4 4 (4.76%) JIRA
4 4 (4.76%) Team Foundation Server
4 4 (4.76%) Visual Studio
5 3 (3.57%) Jasmine
5 3 (3.57%) Karma Test Runner
5 3 (3.57%) PhantomJS
6 2 (2.38%) Babel
7 1 (1.19%) CppUnit
7 1 (1.19%) Octopus Deploy
General
1 36 (42.86%) Finance
2 26 (30.95%) Banking
3 2 (2.38%) Advertising
3 2 (2.38%) Investment Banking
4 1 (1.19%) Financial Institution
4 1 (1.19%) Front Office
Job Titles
1 59 (70.24%) Developer
2 28 (33.33%) JavaScript Developer
3 15 (17.86%) Java Developer
3 15 (17.86%) UI Developer
4 12 (14.29%) .NET Developer
4 12 (14.29%) Senior Developer
5 11 (13.10%) DevOps Engineer
6 10 (11.90%) Full Stack Developer
6 10 (11.90%) Senior Java Developer
7 9 (10.71%) Angular Developer
7 9 (10.71%) JavaScript Engineer
7 9 (10.71%) Senior JavaScript Developer
8 8 (9.52%) HTML Developer
9 7 (8.33%) HTML CSS Developer
9 7 (8.33%) Senior Full Stack Developer
10 6 (7.14%) Support Engineer
11 4 (4.76%) Node.js Developer
11 4 (4.76%) Senior Support Engineer
12 3 (3.57%) RPG Analyst Programmer
12 3 (3.57%) RPG Programmer
Libraries, Frameworks & Software Standards
1 39 (46.43%) HTML
2 37 (44.05%) CSS
3 36 (42.86%) Node.js
4 35 (41.67%) XML
5 33 (39.29%) .NET
5 33 (39.29%) JSON
6 28 (33.33%) Twitter Bootstrap
7 26 (30.95%) AngularJS
8 24 (28.57%) Web Services
9 22 (26.19%) HTML5
10 20 (23.81%) ASP.NET
11 19 (22.62%) jQuery
12 17 (20.24%) ASP.NET Web API
12 17 (20.24%) WCF
13 13 (15.48%) Spring
14 12 (14.29%) RESTful
14 12 (14.29%) Spring Boot
15 7 (8.33%) CSS3
15 7 (8.33%) Java EE
15 7 (8.33%) Spring Integration
Miscellaneous
1 15 (17.86%) User Experience
2 11 (13.10%) Virtual Team
3 9 (10.71%) Greenfield Project
4 5 (5.95%) Analytical Skills
5 4 (4.76%) Computer Science
5 4 (4.76%) Social Network
6 1 (1.19%) Enterprise Software
6 1 (1.19%) Equities
6 1 (1.19%) Smart Energy
Operating Systems
1 28 (33.33%) Linux
2 18 (21.43%) Unix
3 5 (5.95%) Windows
4 1 (1.19%) OS/400
Processes & Methodologies
1 32 (38.10%) MVC
2 22 (26.19%) Continuous Integration
3 16 (19.05%) DevOps
4 15 (17.86%) CRM
5 14 (16.67%) Unit Testing
6 12 (14.29%) Agile Software Development
7 11 (13.10%) OO
7 11 (13.10%) SDLC
8 7 (8.33%) Concurrent Programming
8 7 (8.33%) Data Modelling
8 7 (8.33%) Multithreading
9 5 (5.95%) Continuous Delivery
9 5 (5.95%) Process Management
9 5 (5.95%) Scrum
10 3 (3.57%) Root Cause Analysis
10 3 (3.57%) TDD
11 2 (2.38%) Coaching
12 1 (1.19%) Don't repeat yourself (DRY)
12 1 (1.19%) SOLID
12 1 (1.19%) YAGNI
Programming Languages
1 38 (45.24%) Java
1 38 (45.24%) SQL
2 32 (38.10%) C#
3 12 (14.29%) PL/SQL
4 11 (13.10%) TypeScript
5 4 (4.76%) RPG
5 4 (4.76%) RPG IV
6 3 (3.57%) ECMAScript
6 3 (3.57%) ES6
7 2 (2.38%) VB.NET
8 1 (1.19%) C
8 1 (1.19%) C++
8 1 (1.19%) RPG/400
8 1 (1.19%) Scala
8 1 (1.19%) T-SQL
Qualifications
1 4 (4.76%) Degree
2 1 (1.19%) Microsoft Certification
2 1 (1.19%) SC Cleared
2 1 (1.19%) Security Cleared
Quality Assurance & Compliance
1 6 (7.14%) QA
System Software
1 14 (16.67%) Active Directory
2 6 (7.14%) Docker
3 1 (1.19%) Apache Flume
Systems Management
1 5 (5.95%) Opscode Chef
2 1 (1.19%) Oozie
Vendors
1 28 (33.33%) Oracle
2 18 (21.43%) Microsoft
3 15 (17.86%) Siebel
4 7 (8.33%) Twitter
5 1 (1.19%) Cloudera