Period
to 21 August 2017

The following table provides summary statistics for contract job vacancies 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 21 August 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)
UK
6 months to
21 Aug 2017
Same period 2016 Same period 2015
Rank 7 9 12
Rank change year-on-year +2 +3 +2
Contract jobs citing JavaScript 10911 11631 10408
As % of all contract IT jobs advertised in the UK 11.39% 10.72% 9.17%
As % of the Programming Languages category 27.11% 27.34% 24.30%
Number of daily rates quoted 7897 8588 7302
UK median daily rate £425 £400 £375
Median daily rate % change year-on-year +6.25% +6.67% +2.74%
10th Percentile £300 £275 £260
90th Percentile £600 £575 £550
UK excluding London median daily rate £375 £365 £350
% change year-on-year +2.74% +4.29% +7.69%
Number of hourly rates quoted 119 110 108
UK median hourly rate £42.50 £37.50 £35.00
Median hourly rate % change year-on-year +13.33% +7.14% -
10th Percentile £16.00 £12.13 £15.75
90th Percentile £61.85 £57.68 £47.50
UK excluding London median hourly rate £42.50 £38.00 £36.50
% change year-on-year +11.84% +4.11% +14.06%

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 with a requirement for programming language skills.

Contract Programming Language Skills
UK
Contract job vacancies with a requirement for programming language skills 40253 42547 42828
As % of all contract IT job vacancies advertised in the UK 42.02% 39.23% 37.73%
Number of daily rates quoted 27660 29240 28495
UK median daily rate £450 £425 £400
Median daily rate % change year-on-year +5.88% +6.25% +5.26%
10th Percentile £300 £280 £263
90th Percentile £625 £588 £588
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.67% +7.14% +1.45%
Number of hourly rates quoted 767 911 914
UK median hourly rate £40.00 £37.50 £35.00
Median hourly rate % change year-on-year +6.67% +7.14% +4.48%
10th Percentile £16.00 £13.50 £15.50
90th Percentile £53.75 £51.00 £50.00
UK excluding London median hourly rate £40.25 £37.50 £36.00
% change year-on-year +7.33% +4.17% +5.88%

JavaScript
Job Vacancy Trend

Job postings citing JavaScript as a percentage of all IT jobs advertised.

Job vacancy trend for JavaScript in the UK

JavaScript
Contractor Daily Rate Trend

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

Contractor daily rate trend for JavaScript in the UK

JavaScript
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing JavaScript over the 6 months to 21 August 2017.

Contractor daily rate histogram for JavaScript in the UK

JavaScript
Contractor Hourly Rate Trend

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

Contractor hourly rate trend for JavaScript in the UK

JavaScript
Contractor Hourly Rate Histogram

The hourly rate distribution of IT jobs citing JavaScript over the 6 months to 21 August 2017.

Contractor hourly rate histogram for JavaScript in the UK

JavaScript
Top 16 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JavaScript within the UK over the 6 months to 21 August 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 +2 10148 £425 +6.25% 2335
London -1 5483 £475 +5.56% 899
UK excluding London +1 5321 £375 +2.74% 1546
South East +4 1583 £400 +8.11% 373
North of England +1 1306 £375 - 446
Midlands +2 755 £350 +0.72% 253
North West +2 642 £375 - 253
South West +2 592 £375 +7.14% 186
Yorkshire -1 578 £400 +6.67% 176
Scotland +11 455 £375 +7.14% 76
East of England +3 412 £375 - 173
East Midlands +1 379 £350 - 130
West Midlands +4 375 £350 +4.48% 123
Northern Ireland +5 120 £413 +10.00% 11
Wales -3 116 £363 -3.33% 28
North East +11 89 £350 -8.50% 17

For the 6 months to 21 August 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 with a requirement for JavaScript.

1 7098 (65.05%) HTML
2 6496 (59.54%) CSS
3 4957 (45.43%) Agile Software Development
4 3961 (36.30%) AngularJS
5 3420 (31.34%) HTML5
6 3093 (28.35%) Java
7 2681 (24.57%) TDD
8 2533 (23.22%) jQuery
9 2502 (22.93%) .NET
10 2427 (22.24%) C#
11 2410 (22.09%) Node.js
12 2404 (22.03%) Front End Development
13 2356 (21.59%) CSS3
14 2286 (20.95%) React
15 2139 (19.60%) Git (software)
16 2128 (19.50%) SQL
17 2103 (19.27%) MVC
18 1648 (15.10%) Finance
19 1644 (15.07%) Scrum
20 1637 (15.00%) Web Development
21 1451 (13.30%) ASP.NET
22 1424 (13.05%) SQL Server
23 1405 (12.88%) Web Services
24 1277 (11.70%) OO
25 1253 (11.48%) User Experience
26 1236 (11.33%) Test Automation
27 1210 (11.09%) Continuous Integration
28 1199 (10.99%) Sass
29 1180 (10.81%) REST
30 1179 (10.81%) XML

JavaScript
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
1 578 (5.30%) CMS
2 285 (2.61%) SharePoint
3 278 (2.55%) Elasticsearch
4 266 (2.44%) Apache
5 209 (1.92%) Drupal
6 207 (1.90%) WebSphere
7 206 (1.89%) Confluence
8 197 (1.81%) Tomcat
9 194 (1.78%) JBoss
10 180 (1.65%) WordPress
11 168 (1.54%) IIS
12 140 (1.28%) Adobe Experience Manager
13 115 (1.05%) Umbraco
14 103 (0.94%) WebLogic
15 86 (0.79%) nginx
15 86 (0.79%) Sitecore CMS
16 81 (0.74%) SharePoint 2013
17 72 (0.66%) EPiServer
18 65 (0.60%) Apache Spark
19 62 (0.57%) SharePoint 2010
Applications
1 264 (2.42%) Photoshop
2 106 (0.97%) Adobe Illustrator
3 91 (0.83%) Adobe Creative Suite
4 78 (0.71%) Microsoft Excel
5 45 (0.41%) Microsoft Office
6 36 (0.33%) OmniGraffle
7 28 (0.26%) MS Visio
8 21 (0.19%) InVision
9 13 (0.12%) Microsoft PowerPoint
10 10 (0.092%) InfoPath
11 9 (0.082%) Adobe After Effects
11 9 (0.082%) Chatbot
11 9 (0.082%) UXPin
12 8 (0.073%) InDesign
13 7 (0.064%) Fireworks
13 7 (0.064%) Spreadsheet
14 6 (0.055%) GIMP
14 6 (0.055%) SPSS
15 5 (0.046%) Adobe Premiere
15 5 (0.046%) Pixate
Business Applications
1 186 (1.70%) Dynamics CRM
2 133 (1.22%) Magento
3 24 (0.22%) Payment Gateway
4 16 (0.15%) Adobe Campaign
4 16 (0.15%) ION MarketView
5 15 (0.14%) SDL Web 8
6 14 (0.13%) Oracle BPM
7 12 (0.11%) SAP Hybris
8 10 (0.092%) Eloqua
9 9 (0.082%) Dynamics AX
9 9 (0.082%) Remedy ITSM
10 8 (0.073%) OpenText Process Suite
10 8 (0.073%) RMDS
11 7 (0.064%) Salesforce.com CRM
12 6 (0.055%) NetSuite
12 6 (0.055%) Oracle Cash Management
12 6 (0.055%) Shopify
13 5 (0.046%) Oracle Applications
13 5 (0.046%) Oracle EBS
13 5 (0.046%) Unica
Cloud Services
1 784 (7.19%) Amazon AWS
2 547 (5.01%) Microsoft Azure
3 276 (2.53%) GitHub
4 132 (1.21%) SaaS
5 96 (0.88%) Amazon EC2
6 93 (0.85%) Cloud Computing
7 85 (0.78%) Google Analytics
8 79 (0.72%) PaaS
9 74 (0.68%) Office 365
10 68 (0.62%) AWS Lambda
11 59 (0.54%) Amazon S3
12 53 (0.49%) Google Cloud Platform
13 50 (0.46%) IaaS
14 49 (0.45%) AWS CloudFormation
15 40 (0.37%) Heroku
16 39 (0.36%) Amazon SQS
17 37 (0.34%) Adobe Analytics
18 30 (0.27%) Dynamics 365
19 28 (0.26%) Salesforce Service Cloud
20 27 (0.25%) Slack
Communications & Networking
1 266 (2.44%) HTTP
2 184 (1.69%) Internet
3 82 (0.75%) LDAP
4 66 (0.60%) TCP/IP
5 53 (0.49%) Intranet
6 49 (0.45%) SSL
7 44 (0.40%) SMS
8 42 (0.38%) DNS
8 42 (0.38%) Firewall
9 14 (0.13%) Skype
9 14 (0.13%) WAN
10 12 (0.11%) Broadband
10 12 (0.11%) Kerberos
10 12 (0.11%) Network Security
10 12 (0.11%) SMTP
11 11 (0.10%) Ethernet
11 11 (0.10%) LAN
11 11 (0.10%) NAS
11 11 (0.10%) VPN
12 10 (0.092%) SSH
Database & Business Intelligence
1 1424 (13.05%) SQL Server
2 726 (6.65%) MySQL
3 664 (6.09%) MongoDB
4 589 (5.40%) NoSQL
5 507 (4.65%) Relational Database
6 271 (2.48%) PostgreSQL
7 206 (1.89%) Big Data
8 176 (1.61%) Oracle Database
9 148 (1.36%) RDBMS
10 140 (1.28%) SQL Server 2008
11 137 (1.26%) Hadoop
12 118 (1.08%) SQL Server Reporting Services
13 109 (1.00%) Apache Cassandra
14 106 (0.97%) Redis
15 100 (0.92%) SQL Server Integration Services
16 97 (0.89%) SQL Server 2012
17 78 (0.71%) Amazon DynamoDB
18 72 (0.66%) DB2
19 64 (0.59%) Data Warehouse
20 46 (0.42%) SQL Server Analysis Services
Development Applications
1 2139 (19.60%) Git (software)
2 990 (9.07%) Jenkins
3 634 (5.81%) Grunt
4 601 (5.51%) gulp
5 580 (5.32%) JIRA
6 537 (4.92%) Selenium
7 505 (4.63%) Jasmine
8 471 (4.32%) Subversion
9 426 (3.90%) Maven
10 386 (3.54%) Visual Studio
11 369 (3.38%) Team Foundation Server
12 361 (3.31%) Cucumber
13 356 (3.26%) webpack
14 345 (3.16%) JUnit
15 309 (2.83%) TeamCity
16 265 (2.43%) Mocha
17 222 (2.03%) Karma Test Runner
18 205 (1.88%) WebDriver
19 175 (1.60%) Gradle
20 173 (1.59%) Protractor
General
1 1648 (15.10%) Finance
2 1009 (9.25%) Banking
3 357 (3.27%) Marketing
4 355 (3.25%) Retail
5 331 (3.03%) Front Office
6 298 (2.73%) Investment Banking
7 180 (1.65%) Telecoms
8 140 (1.28%) Games
9 135 (1.24%) Advertising
10 116 (1.06%) Manufacturing
11 106 (0.97%) Publishing
12 93 (0.85%) Electronics
13 71 (0.65%) Financial Institution
14 65 (0.60%) Back Office
15 57 (0.52%) Automotive
16 41 (0.38%) Law
17 36 (0.33%) Legal
18 29 (0.27%) Pharmaceutical
18 29 (0.27%) Retail Banking
19 20 (0.18%) French Language
Job Titles
1 8981 (82.31%) Developer
2 2190 (20.07%) JavaScript Developer
3 1892 (17.34%) Front End Developer (Client-Side Developer)
4 1317 (12.07%) Java Developer
5 1213 (11.12%) .NET Developer
6 968 (8.87%) Angular Developer
7 911 (8.35%) Senior Developer
8 848 (7.77%) HTML Developer
9 804 (7.37%) Full Stack Developer
10 799 (7.32%) C# Developer
11 644 (5.90%) Web Developer
12 599 (5.49%) UI Developer
13 572 (5.24%) HTML CSS Developer
14 505 (4.63%) Node.js Developer
15 501 (4.59%) C# .NET Developer
16 384 (3.52%) PHP Developer
17 314 (2.88%) Agile Developer
18 309 (2.83%) ASP.NET Developer
19 272 (2.49%) Architect
20 260 (2.38%) ASP.NET MVC Developer
Libraries, Frameworks & Software Standards
1 7098 (65.05%) HTML
2 6496 (59.54%) CSS
3 3961 (36.30%) AngularJS
4 3420 (31.34%) HTML5
5 2533 (23.22%) jQuery
6 2502 (22.93%) .NET
7 2410 (22.09%) Node.js
8 2356 (21.59%) CSS3
9 2286 (20.95%) React
10 1451 (13.30%) ASP.NET
11 1405 (12.88%) Web Services
12 1199 (10.99%) Sass
13 1180 (10.81%) REST
14 1179 (10.81%) XML
15 1117 (10.24%) RESTful
16 976 (8.95%) Spring
17 941 (8.62%) Ajax
18 936 (8.58%) JSON
19 921 (8.44%) Twitter Bootstrap
20 742 (6.80%) ASP.NET MVC
Miscellaneous
1 1253 (11.48%) User Experience
2 664 (6.09%) Greenfield Project
3 492 (4.51%) Analytical Skills
4 390 (3.57%) Mobile App
5 312 (2.86%) Computer Science
6 191 (1.75%) Fintech
7 162 (1.48%) Foreign Exchange (FX)
8 146 (1.34%) Enterprise Software
9 129 (1.18%) Fixed Income
10 99 (0.91%) Virtual Team
11 96 (0.88%) Data Structures
12 94 (0.86%) Derivative
12 94 (0.86%) W3C
13 91 (0.83%) Algorithms
14 88 (0.81%) Hedge funds
15 86 (0.79%) Linux Command Line
16 71 (0.65%) Equities
17 68 (0.62%) Management Information System
17 68 (0.62%) NHS
18 55 (0.50%) N-Tier
Operating Systems
1 1025 (9.39%) Linux
2 528 (4.84%) Unix
3 440 (4.03%) Windows
4 241 (2.21%) Android
5 210 (1.92%) Apple iOS
6 115 (1.05%) Red Hat Enterprise Linux
7 105 (0.96%) Mac OS X
8 76 (0.70%) Windows Server
9 54 (0.49%) Mac OS
10 40 (0.37%) Windows Server 2012
11 39 (0.36%) Ubuntu
12 36 (0.33%) CentOS
13 35 (0.32%) Windows Server 2008
14 22 (0.20%) AIX
14 22 (0.20%) Solaris
15 18 (0.16%) Windows Server 2003
16 11 (0.10%) Windows 10
17 10 (0.092%) SUSE Linux Enterprise Server
18 9 (0.082%) Debian
19 8 (0.073%) CoreOS
Processes & Methodologies
1 4957 (45.43%) Agile Software Development
2 2681 (24.57%) TDD
3 2404 (22.03%) Front End Development
4 2103 (19.27%) MVC
5 1644 (15.07%) Scrum
6 1637 (15.00%) Web Development
7 1277 (11.70%) OO
8 1236 (11.33%) Test Automation
9 1210 (11.09%) Continuous Integration
10 1163 (10.66%) BDD
11 801 (7.34%) DevOps
12 746 (6.84%) Software Engineering
13 740 (6.78%) E-Commerce
14 728 (6.67%) Unit Testing
15 615 (5.64%) Microservices
16 610 (5.59%) Responsive Web Design
17 507 (4.65%) SDLC
18 452 (4.14%) Open Source
19 440 (4.03%) Kanban
20 427 (3.91%) Analytics
Programming Languages
1 3093 (28.35%) Java
2 2427 (22.24%) C#
3 2128 (19.50%) SQL
4 1014 (9.29%) Python
5 908 (8.32%) PHP
6 624 (5.72%) ES6
7 493 (4.52%) Ruby
8 492 (4.51%) TypeScript
9 355 (3.25%) Scala
10 284 (2.60%) T-SQL
11 222 (2.03%) C++
12 184 (1.69%) PL/SQL
13 170 (1.56%) PowerShell
14 158 (1.45%) Perl
15 146 (1.34%) Groovy
16 130 (1.19%) Bash Shell
17 127 (1.16%) C
18 123 (1.13%) VB.NET
19 117 (1.07%) Shell Script
20 85 (0.78%) ECMAScript
Qualifications
1 467 (4.28%) Degree
2 323 (2.96%) Security Cleared
3 207 (1.90%) SC Cleared
4 139 (1.27%) Computer Science Degree
5 58 (0.53%) BPSS Clearance
6 38 (0.35%) Microsoft Certification
7 34 (0.31%) ISTQB
8 26 (0.24%) DV Cleared
9 25 (0.23%) ISEB
10 22 (0.20%) Master's Degree
11 17 (0.16%) CTC Cleared
12 16 (0.15%) PMP
13 14 (0.13%) MCSE
13 14 (0.13%) PMI Certification
14 13 (0.12%) BC Cleared
15 12 (0.11%) CISSP
16 9 (0.082%) OCPJP
17 7 (0.064%) HNC
17 7 (0.064%) ISTQB Foundation Certification
17 7 (0.064%) MCP
Quality Assurance & Compliance
1 432 (3.96%) QA
2 51 (0.47%) Disclosure Scotland
3 36 (0.33%) WCAG
4 35 (0.32%) WAI
5 27 (0.25%) MiFID
6 26 (0.24%) SLA
7 14 (0.13%) Data Quality
7 14 (0.13%) ISO/IEC 27001
8 13 (0.12%) HL7
9 8 (0.073%) ISO 9001
10 7 (0.064%) PMO
11 6 (0.055%) COBIT
11 6 (0.055%) PCI DSS
12 5 (0.046%) FedRAMP
13 4 (0.037%) Sarbanes-Oxley
14 3 (0.027%) FATCA
14 3 (0.027%) GDPR
15 2 (0.018%) EMIR
16 1 (0.009%) Dodd-Frank
16 1 (0.009%) Solvency II
System Software
1 505 (4.63%) Docker
2 90 (0.82%) Active Directory
3 26 (0.24%) VMware Infrastructure
4 13 (0.12%) VMware NSX
5 12 (0.11%) HDFS
5 12 (0.11%) Virtual Machines
6 9 (0.082%) VirtualBox
7 8 (0.073%) Apache Flume
8 6 (0.055%) Apache ZooKeeper
8 6 (0.055%) KVM
9 5 (0.046%) Firmware
9 5 (0.046%) Hyper-V
9 5 (0.046%) Shibboleth
9 5 (0.046%) UAG
9 5 (0.046%) VMware ESXi
9 5 (0.046%) vSphere
10 4 (0.037%) OpenAM
10 4 (0.037%) OpenDJ
11 3 (0.027%) Virtual Desktop
12 2 (0.018%) Virtual Servers
Systems Management
1 177 (1.62%) Puppet
2 175 (1.60%) Ansible
3 147 (1.35%) Opscode Chef
4 108 (0.99%) Kubernetes
5 79 (0.72%) Terraform
6 51 (0.47%) Kibana
7 35 (0.32%) logstash
8 21 (0.19%) Nagios
9 20 (0.18%) BladeLogic
10 16 (0.15%) Business Desktop Deployment
10 16 (0.15%) SCCM
10 16 (0.15%) ZABBIX
11 14 (0.13%) HP Quality Center
11 14 (0.13%) Rancher
11 14 (0.13%) vRealize
12 13 (0.12%) Control-M
12 13 (0.12%) Grafana
12 13 (0.12%) Mesos
12 13 (0.12%) Sysdig
13 12 (0.11%) Packer
Vendors
1 919 (8.42%) Microsoft
2 738 (6.76%) Oracle
3 348 (3.19%) Adobe
4 255 (2.34%) Google
5 200 (1.83%) IBM
6 168 (1.54%) SAP
7 159 (1.46%) ServiceNow
8 144 (1.32%) Sitecore
9 109 (1.00%) Salesforce.com
10 82 (0.75%) Red Hat
11 73 (0.67%) Zend
12 67 (0.61%) Sybase
13 65 (0.60%) Atlassian
14 57 (0.52%) Twitter
15 55 (0.50%) VMware
16 51 (0.47%) hybris
17 48 (0.44%) HP
17 48 (0.44%) Telerik
18 45 (0.41%) New Relic
19 43 (0.39%) Pega