The following table provides summary statistics for contract job vacancies advertised in London 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 30 March 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)
England / London
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 8 8 9
Rank change year-on-year 0 +1  
Contract jobs citing JavaScript 2399 2597 2153
As % of all contract IT jobs advertised in London 12.17% 11.51% 10.05%
As % of the Programming Languages category 26.45% 27.04% 24.05%
Number of daily rates quoted 1867 1969 1586
Median daily rate £450 £450 £425
Median daily rate % change year-on-year - +5.88%  
90% offered a daily rate of more than £325 £315 £300
10% offered a daily rate of more than £595 £600 £550
UK excluding London median daily rate £375 £350 £350
% change year-on-year +7.14% -  
Number of hourly rates quoted 10 13 15
Median hourly rate £38.88 £43.00 £24.23
Median hourly rate % change year-on-year -9.58% +77.46%  
90% offered a hourly rate of more than £15.90 £23.05 £20.12
10% offered a hourly rate of more than £101.50 £54.50 £44.90
UK excluding London median hourly rate £42.50 £38.00 £35.00
% change year-on-year +11.84% +8.57%  

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 London with a requirement for programming language skills.

Contract Programming Language Skills
London
Contract job vacancies with a requirement for programming language skills 9071 9603 8953
As % of all contract IT job vacancies advertised in London 46.03% 42.56% 41.79%
Number of daily rates quoted 6747 7235 6478
Median daily rate £488 £475 £450
Median daily rate % change year-on-year +2.63% +5.55%  
90% offered a daily rate of more than £350 £325 £310
10% offered a daily rate of more than £625 £625 £600
UK excluding London median daily rate £388 £375 £350
% change year-on-year +3.33% +7.14%  
Number of hourly rates quoted 71 51 45
Median hourly rate £44.25 £32.50 £27.37
Median hourly rate % change year-on-year +36.15% +18.74%  
90% offered a hourly rate of more than £27.65 £17.50 £20.00
10% offered a hourly rate of more than £55.00 £53.25 £54.50
UK excluding London median hourly rate £41.50 £40.00 £36.00
% change year-on-year +3.75% +11.11%  

JavaScript
Job Vacancy Trend in London

The job posting trend of jobs advertised in London 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 London

JavaScript
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for JavaScript in London

JavaScript
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing JavaScript in London over the 3 months to 30 March 2017.

Contractor daily rate histogram for JavaScript in London

JavaScript
Contractor Hourly Rate Trend in London

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

Contractor hourly rate trend for JavaScript in London

JavaScript
Contractor Hourly Rate Histogram in London

The hourly rate distribution of IT jobs citing JavaScript in London over the 3 months to 30 March 2017.

Contractor hourly rate histogram for JavaScript in London

JavaScript
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JavaScript within the London region over the 3 months to 30 March 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London +6 376 £463 +8.12% 236
Croydon -4 17 £280 -29.78% 14
Canary Wharf +4 10 £375 -6.25%
Docklands, London -3 8 £573 +38.78%
Twickenham -2 5 £350 +133.33% 5
Wimbledon - 5 £275 - 1
Uxbridge +6 4 £394 +20.22% 1
Hammersmith -1 3 £550 +49.65% 2
Chiswick -1 3 £375 +7.14%
Westminster -3 3 £475 +11.76% 6
Hounslow -2 2 £375 - 3
West End of London -2 2 £425 +5.91% 31
Greenwich - 2 £425 -
Barnet - 2 £400 -
Brentford - 2 - -
Heathrow +4 1 £413 +94.11%
Kingston Upon Thames -6 1 £325 -31.57% 5
Bromley -7 1 £450 +38.46% 1
Morden - 1 £330 -
Hendon - 1 - -
Hackney - 1 £325 -
Lewisham - 1 £300 -
Paddington - 1 £515 -
Stockley Park - 1 - -
JavaScript
England

For the 6 months to 30 March 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 London region with a requirement for JavaScript.

1 3227 (64.42%) HTML
2 2885 (57.60%) CSS
3 2328 (46.48%) Agile Software Development
4 1743 (34.80%) AngularJS
5 1615 (32.24%) HTML5
6 1373 (27.41%) Java
7 1312 (26.19%) TDD
8 1126 (22.48%) Node.js
9 1116 (22.28%) CSS3
10 1030 (20.56%) React
11 1023 (20.42%) jQuery
12 1020 (20.36%) Front End Development
13 897 (17.91%) .NET
14 853 (17.03%) SQL
15 837 (16.71%) C#
16 822 (16.41%) Finance
17 796 (15.89%) Git (software)
18 791 (15.79%) Scrum
19 725 (14.47%) Web Services
20 707 (14.11%) MVC
21 702 (14.01%) BDD
22 684 (13.66%) Web Development
23 655 (13.08%) OO
24 606 (12.10%) REST
25 551 (11.00%) Banking
26 548 (10.94%) Sass
27 543 (10.84%) SQL Server
28 540 (10.78%) XML
29 537 (10.72%) User Experience
30 521 (10.40%) RESTful

JavaScript
Co-occurring IT Skills in London 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
1 293 (5.85%) CMS
2 172 (3.43%) SharePoint
3 147 (2.93%) Adobe Experience Manager
4 141 (2.81%) Apache
5 140 (2.79%) Confluence
6 128 (2.56%) Elasticsearch
7 88 (1.76%) WordPress
8 84 (1.68%) Drupal
9 79 (1.58%) Tomcat
10 74 (1.48%) WebSphere
11 73 (1.46%) IIS
12 67 (1.34%) Apache Solr
13 60 (1.20%) SharePoint 2013
14 51 (1.02%) Apache Spark
15 37 (0.74%) JBoss
16 33 (0.66%) SharePoint 2010
17 28 (0.56%) Umbraco
17 28 (0.56%) WebLogic
18 25 (0.50%) Sitecore CMS
19 23 (0.46%) nginx
Applications
1 116 (2.32%) MS Excel
2 111 (2.22%) Photoshop
3 32 (0.64%) Adobe Illustrator
4 26 (0.52%) MS Office
5 21 (0.42%) Adobe Creative Suite
6 20 (0.40%) OmniGraffle
7 17 (0.34%) MS Visio
8 10 (0.20%) InVision
9 7 (0.14%) GIMP
9 7 (0.14%) InfoPath
10 6 (0.12%) InDesign
11 5 (0.100%) HipChat
11 5 (0.100%) MS PowerPoint
11 5 (0.100%) SPSS
12 4 (0.080%) Adobe After Effects
12 4 (0.080%) MS Project
12 4 (0.080%) UXPin
13 2 (0.040%) Fireworks
13 2 (0.040%) Mingle
13 2 (0.040%) Pixate
Business Applications
1 93 (1.86%) Dynamics CRM
2 39 (0.78%) Magento
3 17 (0.34%) SAP Oil and Gas
4 13 (0.26%) Adobe Campaign
5 10 (0.20%) Remedy ITSM
6 9 (0.18%) Oracle BPM
7 5 (0.100%) Eloqua
7 5 (0.100%) Salesforce.com CRM
7 5 (0.100%) SAP CRM
7 5 (0.100%) SAP Hybris
7 5 (0.100%) Unica
8 4 (0.080%) SAP Business One
8 4 (0.080%) Workday HCM
9 3 (0.060%) ION MarketView
9 3 (0.060%) NetSuite
9 3 (0.060%) Revive Adserver
9 3 (0.060%) SDL Web 8
9 3 (0.060%) WebTrends
10 2 (0.040%) Oracle Applications
10 2 (0.040%) RMDS
Cloud Services
1 405 (8.09%) Amazon AWS
2 236 (4.71%) Microsoft Azure
3 216 (4.31%) GitHub
4 60 (1.20%) Amazon EC2
5 59 (1.18%) SaaS
6 38 (0.76%) Office 365
7 26 (0.52%) AWS CloudFormation
7 26 (0.52%) Google Analytics
8 25 (0.50%) Heroku
9 23 (0.46%) Google Cloud Platform
10 22 (0.44%) PaaS
10 22 (0.44%) Slack
11 21 (0.42%) Amazon S3
12 20 (0.40%) AWS Lambda
13 17 (0.34%) Amazon SQS
13 17 (0.34%) Cloud Computing
13 17 (0.34%) IaaS
14 16 (0.32%) Adobe Analytics
15 13 (0.26%) Force.com
16 10 (0.20%) Route 53
Communications & Networking
1 166 (3.31%) HTTP
2 95 (1.90%) Internet
3 47 (0.94%) LDAP
4 35 (0.70%) Intranet
4 35 (0.70%) SSL
5 28 (0.56%) TCP/IP
6 27 (0.54%) DNS
7 22 (0.44%) Kerberos
8 21 (0.42%) AMQP
9 19 (0.38%) Network Security
10 15 (0.30%) SMTP
11 12 (0.24%) SSH
12 9 (0.18%) Firewall
12 9 (0.18%) HTTPS
12 9 (0.18%) NAS
12 9 (0.18%) SAN
13 8 (0.16%) FCoE
13 8 (0.16%) IP Telephony
13 8 (0.16%) iSCSI
13 8 (0.16%) LAN
Database & Business Intelligence
1 543 (10.84%) SQL Server
2 355 (7.09%) MySQL
3 269 (5.37%) NoSQL
4 253 (5.05%) MongoDB
5 228 (4.55%) Relational Database
6 176 (3.51%) Big Data
7 155 (3.09%) PostgreSQL
8 107 (2.14%) Hadoop
9 85 (1.70%) Apache Cassandra
10 68 (1.36%) Redis
11 65 (1.30%) RDBMS
12 53 (1.06%) SQL Server 2012
13 51 (1.02%) SQL Server 2008
14 49 (0.98%) SQL Server Reporting Services
15 46 (0.92%) SQL Server Integration Services
16 39 (0.78%) Amazon DynamoDB
17 31 (0.62%) HBase
18 30 (0.60%) Azure SQL Database
18 30 (0.60%) Oracle Database
19 29 (0.58%) QlikView
Development Applications
1 796 (15.89%) Git (software)
2 381 (7.61%) Jenkins
3 332 (6.63%) JIRA
4 266 (5.31%) Selenium
5 240 (4.79%) Jasmine
6 230 (4.59%) gulp
7 228 (4.55%) Grunt
8 216 (4.31%) Maven
9 206 (4.11%) Cucumber
10 171 (3.41%) webpack
11 156 (3.11%) Mocha
12 153 (3.05%) Subversion
13 140 (2.79%) TeamCity
14 120 (2.40%) JUnit
15 89 (1.78%) Visual Studio
16 87 (1.74%) WebDriver
17 85 (1.70%) Mockito
17 85 (1.70%) Team Foundation Server
18 83 (1.66%) Karma Test Runner
19 75 (1.50%) Protractor
General
1 822 (16.41%) Finance
2 551 (11.00%) Banking
3 212 (4.23%) Investment Banking
4 200 (3.99%) Retail
5 178 (3.55%) Marketing
6 145 (2.89%) Front Office
7 98 (1.96%) Games
8 91 (1.82%) Publishing
9 87 (1.74%) Advertising
10 78 (1.56%) Telecoms
11 39 (0.78%) Back Office
12 37 (0.74%) Pharmaceutical
13 30 (0.60%) Manufacturing
14 29 (0.58%) Legal
15 28 (0.56%) Financial Institution
16 23 (0.46%) Electronics
17 22 (0.44%) Retail Banking
18 21 (0.42%) Law
19 14 (0.28%) Automotive
20 6 (0.12%) Local Government
Job Titles
1 3937 (78.60%) Developer
2 1091 (21.78%) JavaScript Developer
3 838 (16.73%) Front End Developer (Client-Side Developer)
4 506 (10.10%) Java Developer
5 443 (8.84%) Senior Developer
6 411 (8.21%) Angular Developer
7 385 (7.69%) Full Stack Developer
8 382 (7.63%) .NET Developer
9 363 (7.25%) HTML Developer
10 305 (6.09%) C# Developer
11 269 (5.37%) UI Developer
12 262 (5.23%) Node.js Developer
13 260 (5.19%) Web Developer
14 252 (5.03%) HTML CSS Developer
15 191 (3.81%) C# .NET Developer
16 164 (3.27%) Architect
17 143 (2.85%) Consultant
18 139 (2.78%) Agile Developer
19 131 (2.62%) Lead Developer
20 130 (2.60%) PHP Developer
Libraries, Frameworks & Software Standards
1 3227 (64.42%) HTML
2 2885 (57.60%) CSS
3 1743 (34.80%) AngularJS
4 1615 (32.24%) HTML5
5 1126 (22.48%) Node.js
6 1116 (22.28%) CSS3
7 1030 (20.56%) React
8 1023 (20.42%) jQuery
9 897 (17.91%) .NET
10 725 (14.47%) Web Services
11 606 (12.10%) REST
12 548 (10.94%) Sass
13 540 (10.78%) XML
14 521 (10.40%) RESTful
15 480 (9.58%) ASP.NET
16 409 (8.17%) JSON
17 391 (7.81%) Spring
18 343 (6.85%) Twitter Bootstrap
19 338 (6.75%) Ajax
20 324 (6.47%) SOAP
Miscellaneous
1 537 (10.72%) User Experience
2 194 (3.87%) Computer Science
3 173 (3.45%) Mobile App
4 153 (3.05%) Analytical Skills
4 153 (3.05%) Fintech
5 116 (2.32%) Foreign Exchange (FX)
6 70 (1.40%) Fixed Income
7 67 (1.34%) Enterprise Software
8 66 (1.32%) Derivative
9 50 (1.00%) Equities
10 43 (0.86%) Data Structures
10 43 (0.86%) Virtual Team
10 43 (0.86%) W3C
11 40 (0.80%) CMDB
12 39 (0.78%) iPad
13 33 (0.66%) Digital Media
14 32 (0.64%) Algorithms
15 31 (0.62%) NHS
16 28 (0.56%) Blog
17 27 (0.54%) Management Information System
Operating Systems
1 426 (8.50%) Linux
2 198 (3.95%) Unix
3 183 (3.65%) Windows
4 135 (2.70%) Apple iOS
5 118 (2.36%) Android
6 44 (0.88%) Windows Server
7 36 (0.72%) CentOS
8 34 (0.68%) Red Hat Enterprise Linux
9 30 (0.60%) Ubuntu
10 19 (0.38%) Mac OS X
11 13 (0.26%) Windows Server 2012
12 12 (0.24%) Solaris
13 11 (0.22%) Windows Phone
13 11 (0.22%) Windows Server 2008
14 8 (0.16%) webOS
14 8 (0.16%) Windows Phone 7
15 7 (0.14%) Mac OS
16 5 (0.100%) CoreOS
16 5 (0.100%) Debian
17 3 (0.060%) Windows Phone 8
Processes & Methodologies
1 2328 (46.48%) Agile Software Development
2 1312 (26.19%) TDD
3 1020 (20.36%) Front End Development
4 791 (15.79%) Scrum
5 707 (14.11%) MVC
6 702 (14.01%) BDD
7 684 (13.66%) Web Development
8 655 (13.08%) OO
9 512 (10.22%) E-Commerce
10 472 (9.42%) Continuous Integration
11 398 (7.95%) DevOps
12 373 (7.45%) Software Engineering
13 315 (6.29%) Microservices
14 249 (4.97%) Responsive Web Design
15 226 (4.51%) Unit Testing
16 211 (4.21%) Kanban
16 211 (4.21%) Open Source
17 203 (4.05%) SOA
18 199 (3.97%) SDLC
19 187 (3.73%) Analytics
Programming Languages
1 1373 (27.41%) Java
2 853 (17.03%) SQL
3 837 (16.71%) C#
4 447 (8.92%) PHP
5 415 (8.29%) Python
6 314 (6.27%) ES6
6 314 (6.27%) Ruby
7 224 (4.47%) Scala
8 158 (3.15%) TypeScript
9 83 (1.66%) C++
10 81 (1.62%) Perl
11 80 (1.60%) T-SQL
12 78 (1.56%) PowerShell
13 77 (1.54%) Bash Shell
14 73 (1.46%) Groovy
15 71 (1.42%) Shell Script
16 60 (1.20%) C
16 60 (1.20%) PL/SQL
17 49 (0.98%) Apex Code
18 43 (0.86%) Go
Qualifications
1 258 (5.15%) Degree
2 127 (2.54%) Security Cleared
3 80 (1.60%) SC Cleared
4 12 (0.24%) PMP
5 11 (0.22%) BPSS Clearance
5 11 (0.22%) Microsoft Certification
6 10 (0.20%) DV Cleared
7 9 (0.18%) AWS Certification
7 9 (0.18%) CTC Cleared
7 9 (0.18%) ISEB
8 8 (0.16%) PMI Certification
9 7 (0.14%) ISTQB
9 7 (0.14%) OCPJP
9 7 (0.14%) Sun Certification
10 6 (0.12%) ITIL Certification
10 6 (0.12%) MBA
11 5 (0.100%) CISSP
12 4 (0.080%) ISTQB Foundation Certification
12 4 (0.080%) PhD
13 3 (0.060%) MCP
Quality Assurance & Compliance
1 253 (5.05%) QA
2 22 (0.44%) SDET
3 21 (0.42%) WCAG
4 18 (0.36%) MiFID
5 16 (0.32%) FATCA
6 15 (0.30%) Data Quality
6 15 (0.30%) SLA
7 11 (0.22%) WAI
8 9 (0.18%) Disclosure Scotland
9 5 (0.100%) HL7
10 4 (0.080%) PCI DSS
11 3 (0.060%) Cyber Essentials
11 3 (0.060%) EMIR
11 3 (0.060%) HMG Security Policy Framework
12 2 (0.040%) Actionable Recommendations
12 2 (0.040%) FedRAMP
13 1 (0.020%) Dodd-Frank
13 1 (0.020%) PMO
System Software
1 251 (5.01%) Docker
2 46 (0.92%) Active Directory
3 19 (0.38%) Virtual Machines
4 17 (0.34%) VMware Infrastructure
5 11 (0.22%) Hyper-V
6 10 (0.20%) HDFS
7 9 (0.18%) KVM
8 8 (0.16%) NFS
8 8 (0.16%) Oracle RAC
8 8 (0.16%) SRDF
9 7 (0.14%) Xen
10 5 (0.100%) Shibboleth
11 4 (0.080%) Apache Flume
11 4 (0.080%) Varnish
12 2 (0.040%) vSphere
13 1 (0.020%) Apache ZooKeeper
13 1 (0.020%) Firmware
13 1 (0.020%) vCloud
13 1 (0.020%) XenApp
13 1 (0.020%) XenDesktop
Systems Management
1 108 (2.16%) Puppet
2 102 (2.04%) Opscode Chef
3 93 (1.86%) Ansible
4 52 (1.04%) Kubernetes
5 23 (0.46%) Terraform
6 20 (0.40%) Kibana
7 12 (0.24%) Mesos
8 11 (0.22%) Nagios
9 9 (0.18%) Packer
10 8 (0.16%) SCOM
11 7 (0.14%) logstash
11 7 (0.14%) Piwik
11 7 (0.14%) SCCM
12 6 (0.12%) Capistrano
12 6 (0.12%) Control-M
12 6 (0.12%) OpenAM
13 5 (0.100%) HP Quality Center
13 5 (0.100%) SELinux
13 5 (0.100%) TeamSite
13 5 (0.100%) vRealize
Vendors
1 325 (6.49%) Microsoft
2 270 (5.39%) Oracle
3 216 (4.31%) Adobe
4 162 (3.23%) ServiceNow
5 94 (1.88%) Google
6 91 (1.82%) Salesforce.com
7 78 (1.56%) Atlassian
8 55 (1.10%) SAP
9 53 (1.06%) IBM
10 50 (1.00%) hybris
11 46 (0.92%) Sitecore
12 43 (0.86%) Red Hat
13 41 (0.82%) MuleSoft
13 41 (0.82%) Sybase
14 35 (0.70%) Solace
15 33 (0.66%) Apigee
16 31 (0.62%) Zend
17 29 (0.58%) Tableau
18 27 (0.54%) New Relic
19 25 (0.50%) Splunk
South East London
Lorien Resourcing
Rate: £400 - £445 per annum
Posted: 1 hour ago
City, London
ANSON MCCADE
Rate: £400 - £500 per day
Posted: 4 hours ago
City, London
ANSON MCCADE
Rate: UKP 500 per day
Posted: 4 hours ago
Central London / West End
Lennon Wright
Rate: From £450 to £550 per day
Posted: 3 hours ago
London
Oliver Bernard
Rate: £600 - £650 per day
Posted: 10 hours ago
City, London
ANSON MCCADE
Rate: Circa £450-550 per da
Posted: 4 hours ago
City, London
ANSON MCCADE
Rate: UKP 550 per day
Posted: 5 hours ago
London
Oliver Bernard
Rate: £300 - £600 per day
Posted: 2 hours ago
South East London
Lorien Resourcing
Rate: £400 - £445 per annum
Posted: 5 hours ago
Uxbridge, Middlesex
PCR
Rate: £350 - £400 per day
Posted: 10 hours ago
London
Oliver Bernard
Rate: £450 - £500 per day + Flexi Working (Some WFH)
Posted: 7 hours ago
London
ninesharp
Rate: Market Rates
Posted: 4 hours ago
London
Explore Recruitment Solutions
Rate: £350 - £425 per day
Posted: 8 hours ago
London
Explore Recruitment Solutions
Rate: £400 - £450 per day
Posted: Yesterday
London
AMS contingency
Posted: 7 hours ago
Central London / West End
Nakama
Rate: From £400 to £470 per day Paid weekly
Posted: Yesterday
London
Explore Recruitment Solutions
Rate: £350 - £500 per annum
Posted: Yesterday
London
Harvey Nash plc
Rate: £425 - £450 per annum
Posted: Yesterday
London
Explore Recruitment Solutions
Rate: £400 - £450 per day
Posted: Yesterday
London
Explore Recruitment Solutions
Rate: £100 - £150 per day
Posted: Yesterday
City, London
Coded People
Rate: £300 per day
Posted: Yesterday
London
Oliver Bernard
Rate: £450 - £500 per day + Flexible working
Posted: Yesterday
South West London
Interact Consulting
Rate: 500-625pd
Posted: 10 hours ago
London
Oliver Bernard
Rate: £500 - £550 per day
Posted: 2 days ago
South West London
Venturi
Rate: £275.00 - £325 per day
Posted: Yesterday
London
E-synergy Solutions
Rate: £500 - £525 per day
Posted: 9 hours ago
Central London / West End
Digital Gurus
Rate: £450 - £500 Per Day
Posted: Yesterday
London
onezeero.
Rate: £400 - £500 per day
Posted: Yesterday
London
Experis Ltd
Rate: £400.00 - £401 per day
Posted: Yesterday
Croydon, Surrey
Talent International
Rate: £400 - £450 per day
Posted: Yesterday