Period
to 20 November 2017

The median contractor rate for a Senior JavaScript Developer was £500 per day in advertised job vacancies during the 6 months to 20 November 2017.

The first table below provides contractor rate benchmarking and summary statistics including a comparison to 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.

Senior JavaScript Developer
UK
6 months to
20 Nov 2017
Same period 2016 Same period 2015
Rank 673 683 695
Rank change year-on-year +10 +12 +105
Contract jobs requiring a Senior JavaScript Developer 206 205 191
As % of all contract IT jobs advertised in the UK 0.20% 0.20% 0.17%
As % of the Job Titles category 0.21% 0.21% 0.18%
Number of daily rates quoted 179 165 145
UK median daily rate £500 £460 £425
Median daily rate % change year-on-year +8.70% +8.24% -5.56%
10th Percentile £394 £356 £313
90th Percentile £613 £575 £615
UK excluding London median daily rate £413 £375 £374
% change year-on-year +10.00% +0.27% +10.81%
Number of hourly rates quoted 0 0 0
UK median hourly rate - - -
UK excluding London median hourly rate - - -

The following table is for comparison with the above and includes summary statistics for all contract IT job vacancies. Most job vacancies include a discernible job title that can be normalized. As such, the figures in the second row provide an indication of the number of contract jobs in our overall sample.

All Contract IT Job Vacancies
UK
Contract vacancies in the UK with a recognized job title 96939 98568 108531
% of contract IT jobs with a recognized job title 94.79% 94.76% 94.90%
Number of daily rates quoted 63924 64295 69051
UK median daily rate £450 £425 £400
Median daily rate % change year-on-year +5.88% +6.25% -
10th Percentile £260 £250 £250
90th Percentile £625 £600 £588
UK excluding London median daily rate £400 £393 £375
% change year-on-year +1.91% +4.67% +3.45%
Number of hourly rates quoted 2896 3271 4142
UK median hourly rate £18.70 £18.00 £18.00
Median hourly rate % change year-on-year +3.89% - +9.09%
10th Percentile £10.96 £10.50 £10.50
90th Percentile £47.83 £47.50 £45.00
UK excluding London median hourly rate £17.50 £17.50 £17.50

Senior JavaScript Developer
Job Vacancy Trend

Job postings that featured Senior JavaScript Developer in the job title as a percentage of all IT jobs advertised.

Job vacancy trend for Senior JavaScript Developer in the UK

Senior JavaScript Developer
Contractor Daily Rate Trend

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

Contractor daily rate trend for Senior JavaScript Developer in the UK

Senior JavaScript Developer
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing Senior JavaScript Developer over the 6 months to 20 November 2017.

Contractor daily rate histogram for Senior JavaScript Developer in the UK

Senior JavaScript Developer
Contractor Hourly Rate Trend

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

Contractor hourly rate trend for Senior JavaScript Developer in the UK

Senior JavaScript Developer
Top 14 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Senior JavaScript Developer within the UK over the 6 months to 20 November 2017. 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
England +5 172 £525 +13.51% 59
London -32 134 £550 +18.60% 32
UK excluding London +55 72 £413 +10.00% 28
South East +21 23 £475 +20.63% 8
Northern Ireland - 18 £413 -
Scotland -8 16 £425 +3.03% 1
North of England +45 5 £435 - 10
Midlands +12 5 £380 +4.83% 4
East Midlands -4 4 £380 +4.83% 3
North West +17 3 £425 +4.94% 5
South West +11 3 £370 - 2
Yorkshire +11 2 £480 - 4
East of England - 2 £425 - 3
West Midlands +22 1 - - 1

Senior JavaScript Developer Skill Set
Top 30 Co-occurring IT Skills

For the 6 months to 20 November 2017, Senior JavaScript Developer contract jobs required the following IT skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads featuring Senior JavaScript Developer in the job title.

1 206 (100.00%) JavaScript
2 127 (61.65%) HTML
3 121 (58.74%) CSS
4 108 (52.43%) Agile Software Development
5 103 (50.00%) TDD
6 98 (47.57%) Node.js
7 95 (46.12%) React
8 88 (42.72%) AngularJS
9 72 (34.95%) HTML5
10 57 (27.67%) Java
11 54 (26.21%) Finance
12 48 (23.30%) Continuous Integration
13 47 (22.82%) CSS3
13 47 (22.82%) ES6
14 44 (21.36%) Banking
15 43 (20.87%) RESTful
15 43 (20.87%) BDD
16 42 (20.39%) Git (software)
17 38 (18.45%) JSON
18 37 (17.96%) Redux
19 36 (17.48%) Front End Development
19 36 (17.48%) MVC
20 35 (16.99%) XML
20 35 (16.99%) Spring
21 33 (16.02%) TypeScript
22 32 (15.53%) Scrum
22 32 (15.53%) OO
22 32 (15.53%) Web Services
23 31 (15.05%) SQL
24 28 (13.59%) Multithreading

Senior JavaScript Developer Skill Set
Co-occurring IT Skills 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 18 (8.74%) WebSphere
2 5 (2.43%) SharePoint
3 3 (1.46%) CMS
3 3 (1.46%) SharePoint 2010
4 2 (0.97%) Confluence
4 2 (0.97%) Elasticsearch
4 2 (0.97%) SharePoint 2013
5 1 (0.49%) Apache
5 1 (0.49%) NServiceBus
5 1 (0.49%) OpenStack
5 1 (0.49%) WebLogic
5 1 (0.49%) WordPress
Applications
1 3 (1.46%) Microsoft Excel
2 2 (0.97%) Adobe Creative Suite
2 2 (0.97%) Microsoft Office
2 2 (0.97%) Microsoft PowerPoint
2 2 (0.97%) Photoshop
Business Applications
1 2 (0.97%) ION MarketView
Cloud Services
1 20 (9.71%) npm
2 19 (9.22%) Amazon AWS
3 13 (6.31%) Microsoft Azure
4 8 (3.88%) Yarn
5 6 (2.91%) SaaS
6 4 (1.94%) Google Cloud Platform
7 1 (0.49%) Amazon EC2
7 1 (0.49%) Amazon S3
7 1 (0.49%) AWS Lambda
7 1 (0.49%) OpenShift
7 1 (0.49%) Route 53
7 1 (0.49%) Serverless
Communications & Networking
1 3 (1.46%) DWDM
1 3 (1.46%) IPFIX
1 3 (1.46%) MRTG
1 3 (1.46%) SNMP
2 2 (0.97%) Ethernet
2 2 (0.97%) HTTP
2 2 (0.97%) TCP/IP
3 1 (0.49%) DNS
3 1 (0.49%) SMS
Database & Business Intelligence
1 19 (9.22%) SQL Server
2 11 (5.34%) NoSQL
3 10 (4.85%) Relational Database
4 8 (3.88%) PostgreSQL
5 6 (2.91%) MySQL
6 5 (2.43%) OLAP
6 5 (2.43%) RDBMS
6 5 (2.43%) SQL Server 2008
7 4 (1.94%) MongoDB
7 4 (1.94%) SQL Server Integration Services
7 4 (1.94%) SQL Server Reporting Services
8 3 (1.46%) BusinessObjects
8 3 (1.46%) GIS
9 2 (0.97%) SQL Server 2016
9 2 (0.97%) SQL Server Analysis Services
10 1 (0.49%) Big Data
10 1 (0.49%) Data Lake
10 1 (0.49%) Neo4j
10 1 (0.49%) Power BI
10 1 (0.49%) SQL Server 2014
Development Applications
1 42 (20.39%) Git (software)
2 27 (13.11%) webpack
3 17 (8.25%) Jenkins
4 15 (7.28%) Babel
4 15 (7.28%) Mocha
5 10 (4.85%) gulp
5 10 (4.85%) JIRA
6 9 (4.37%) Cucumber
7 8 (3.88%) Jasmine
7 8 (3.88%) NUnit
7 8 (3.88%) Selenium
8 7 (3.40%) Grunt
8 7 (3.40%) Karma Test Runner
8 7 (3.40%) PhantomJS
8 7 (3.40%) Subversion
9 5 (2.43%) Bower
9 5 (2.43%) Maven
9 5 (2.43%) TeamCity
10 4 (1.94%) Atlassian Bamboo
10 4 (1.94%) WebDriver
General
1 54 (26.21%) Finance
2 44 (21.36%) Banking
3 17 (8.25%) Telecoms
4 10 (4.85%) Front Office
5 6 (2.91%) Investment Banking
6 4 (1.94%) Marketing
6 4 (1.94%) Publishing
6 4 (1.94%) Retail
7 2 (0.97%) Back Office
7 2 (0.97%) Electronics
7 2 (0.97%) Manufacturing
8 1 (0.49%) Advertising
8 1 (0.49%) Games
8 1 (0.49%) Law
8 1 (0.49%) Pharmaceutical
8 1 (0.49%) Prime Brokerage
Libraries, Frameworks & Software Standards
1 127 (61.65%) HTML
2 121 (58.74%) CSS
3 98 (47.57%) Node.js
4 95 (46.12%) React
5 88 (42.72%) AngularJS
6 72 (34.95%) HTML5
7 47 (22.82%) CSS3
8 43 (20.87%) RESTful
9 38 (18.45%) JSON
10 37 (17.96%) Redux
11 35 (16.99%) Spring
11 35 (16.99%) XML
12 32 (15.53%) Web Services
13 24 (11.65%) Hibernate
14 22 (10.68%) .NET
14 22 (10.68%) Spring Boot
15 21 (10.19%) REST
16 20 (9.71%) jQuery
16 20 (9.71%) React Native
17 19 (9.22%) Java EE
Miscellaneous
1 21 (10.19%) User Experience
2 18 (8.74%) Virtual Team
3 11 (5.34%) Greenfield Project
4 10 (4.85%) Mobile App
5 9 (4.37%) Linux Command Line
6 8 (3.88%) Foreign Exchange (FX)
7 5 (2.43%) Fixed Income
8 4 (1.94%) Analytical Skills
9 3 (1.46%) Data Centre
9 3 (1.46%) Management Information System
10 2 (0.97%) Computer Science
10 2 (0.97%) Data Structures
10 2 (0.97%) Derivative
10 2 (0.97%) Digital Media
10 2 (0.97%) Fintech
10 2 (0.97%) Social Media
10 2 (0.97%) Video on Demand
10 2 (0.97%) Video\Live Streaming
11 1 (0.49%) Equity Derivative
11 1 (0.49%) Smart Home
Operating Systems
1 15 (7.28%) Linux
2 10 (4.85%) Unix
3 2 (0.97%) Android
3 2 (0.97%) Apple iOS
4 1 (0.49%) Windows
Processes & Methodologies
1 108 (52.43%) Agile Software Development
2 103 (50.00%) TDD
3 48 (23.30%) Continuous Integration
4 43 (20.87%) BDD
5 36 (17.48%) Front End Development
5 36 (17.48%) MVC
6 32 (15.53%) OO
6 32 (15.53%) Scrum
7 28 (13.59%) Multithreading
8 26 (12.62%) Pair Programming
9 25 (12.14%) Data Modelling
10 21 (10.19%) Software Engineering
11 20 (9.71%) User Stories
12 19 (9.22%) Web Development
13 18 (8.74%) DevOps
14 17 (8.25%) Concurrent Programming
15 16 (7.77%) High Availability
15 16 (7.77%) Test Automation
16 15 (7.28%) Continuous Delivery
17 13 (6.31%) Unit Testing
Programming Languages
1 206 (100.00%) JavaScript
2 57 (27.67%) Java
3 47 (22.82%) ES6
4 33 (16.02%) TypeScript
5 31 (15.05%) SQL
6 24 (11.65%) C#
7 14 (6.80%) Python
8 11 (5.34%) PHP
9 10 (4.85%) ECMAScript
10 6 (2.91%) Perl
11 5 (2.43%) T-SQL
12 3 (1.46%) PHP 5
12 3 (1.46%) PHP 7
12 3 (1.46%) PowerShell
13 2 (0.97%) C
13 2 (0.97%) Scala
13 2 (0.97%) VB
14 1 (0.49%) Bash Shell
14 1 (0.49%) PHP 4
14 1 (0.49%) PL/SQL
Qualifications
1 7 (3.40%) Degree
2 3 (1.46%) Security Cleared
Quality Assurance & Compliance
1 2 (0.97%) QA
2 1 (0.49%) Disclosure Scotland
System Software
1 24 (11.65%) Docker
Systems Management
1 6 (2.91%) Ansible
2 4 (1.94%) Terraform
3 1 (0.49%) Kubernetes
Vendors
1 14 (6.80%) Microsoft
2 6 (2.91%) Google
3 5 (2.43%) Atlassian
3 5 (2.43%) Cisco
4 4 (1.94%) Salesforce.com
5 3 (1.46%) Ciena
5 3 (1.46%) Juniper
5 3 (1.46%) Nintex
6 2 (0.97%) Adobe
6 2 (0.97%) ION Trading
6 2 (0.97%) Jaspersoft
6 2 (0.97%) Oracle
6 2 (0.97%) Pega
6 2 (0.97%) SAP
6 2 (0.97%) VMware
7 1 (0.49%) Apigee
7 1 (0.49%) FXall
7 1 (0.49%) Red Hat
7 1 (0.49%) Reuters