Period
to 23 October 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 23 October 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
23 Oct 2017
Same period 2016 Same period 2015
Rank 7 9 10
Rank change year-on-year +2 +1 +2
Contract jobs citing JavaScript 11374 11860 11350
As % of all contract IT jobs advertised in the UK 11.35% 11.25% 9.96%
As % of the Programming Languages category 27.07% 28.06% 26.07%
Number of daily rates quoted 8402 8771 8163
UK median daily rate £430 £400 £385
Median daily rate % change year-on-year +7.50% +3.90% +2.67%
10th Percentile £305 £288 £263
90th Percentile £600 £575 £550
UK excluding London median daily rate £375 £375 £350
% change year-on-year - +7.14% +6.06%
Number of hourly rates quoted 112 100 120
UK median hourly rate £43.75 £39.00 £36.50
Median hourly rate % change year-on-year +12.18% +6.85% +5.04%
10th Percentile £22.59 £15.00 £18.27
90th Percentile £63.75 £59.31 £47.50
UK excluding London median hourly rate £45.00 £39.00 £36.50
% change year-on-year +15.38% +6.85% +12.31%

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 with a requirement for coding skills.

All Programming Languages
UK
Contract vacancies with a requirement for coding skills 42022 42269 43529
As % of all contract IT jobs advertised in the UK 41.95% 40.11% 38.20%
Number of daily rates quoted 29212 29052 29425
UK median daily rate £450 £425 £400
Median daily rate % change year-on-year +5.88% +6.25% +1.94%
10th Percentile £306 £281 £265
90th Percentile £625 £588 £588
UK excluding London median daily rate £400 £375 £363
% change year-on-year +6.67% +3.45% +3.57%
Number of hourly rates quoted 790 895 987
UK median hourly rate £40.00 £37.50 £36.67
Median hourly rate % change year-on-year +6.67% +2.26% +15.50%
10th Percentile £15.98 £14.18 £15.00
90th Percentile £53.00 £53.75 £51.25
UK excluding London median hourly rate £40.50 £37.50 £37.48
% change year-on-year +8.00% +0.07% +15.31%

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 23 October 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 23 October 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 23 October 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 +1 10527 £440 +7.32% 1920
London -1 5969 £475 +5.56% 717
UK excluding London +1 5291 £375 - 1278
South East +3 1529 £400 +6.67% 366
North of England +1 1279 £385 -0.65% 343
Midlands 0 756 £350 - 234
North West +3 649 £375 - 180
Yorkshire -2 551 £400 - 140
South West 0 542 £360 +2.86% 117
Scotland +3 503 £380 +8.57% 53
East of England +4 430 £375 - 143
West Midlands +1 407 £350 - 110
East Midlands -1 346 £366 -2.33% 123
Wales +5 137 £400 - 14
Northern Ireland +5 136 £413 +17.86% 8
North East +6 88 £400 - 23

For the 6 months to 23 October 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 7205 (63.35%) HTML
2 6509 (57.23%) CSS
3 5188 (45.61%) Agile Software Development
4 4019 (35.33%) AngularJS
5 3427 (30.13%) HTML5
6 3412 (30.00%) Java
7 2812 (24.72%) TDD
8 2629 (23.11%) React
9 2611 (22.96%) Node.js
10 2519 (22.15%) .NET
11 2502 (22.00%) C#
12 2454 (21.58%) jQuery
13 2418 (21.26%) Front End Development
14 2417 (21.25%) Git (software)
15 2289 (20.12%) CSS3
16 2270 (19.96%) SQL
17 2095 (18.42%) MVC
18 1801 (15.83%) Finance
19 1718 (15.10%) Scrum
20 1657 (14.57%) Web Development
21 1590 (13.98%) Web Services
22 1413 (12.42%) SQL Server
23 1394 (12.26%) ASP.NET
24 1359 (11.95%) OO
25 1344 (11.82%) Test Automation
26 1340 (11.78%) Continuous Integration
27 1289 (11.33%) RESTful
28 1282 (11.27%) BDD
29 1264 (11.11%) REST
30 1249 (10.98%) Sass

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
1 537 (4.72%) CMS
2 326 (2.87%) Apache
3 312 (2.74%) SharePoint
4 302 (2.66%) Elasticsearch
5 248 (2.18%) Drupal
6 247 (2.17%) Confluence
7 232 (2.04%) WebSphere
8 229 (2.01%) Tomcat
9 192 (1.69%) JBoss
10 188 (1.65%) WordPress
11 184 (1.62%) IIS
12 121 (1.06%) WebLogic
13 116 (1.02%) Adobe Experience Manager
14 101 (0.89%) Umbraco
15 99 (0.87%) nginx
16 97 (0.85%) SharePoint 2013
17 95 (0.84%) Apache Spark
18 77 (0.68%) SharePoint 2010
19 75 (0.66%) Apache Solr
20 74 (0.65%) Oracle SOA Suite
Applications
1 238 (2.09%) Photoshop
2 101 (0.89%) Adobe Creative Suite
3 94 (0.83%) Adobe Illustrator
4 85 (0.75%) Microsoft Excel
5 46 (0.40%) Microsoft Office
6 32 (0.28%) MS Visio
6 32 (0.28%) OmniGraffle
7 23 (0.20%) InVision
8 18 (0.16%) Microsoft PowerPoint
9 15 (0.13%) Chatbot
9 15 (0.13%) InfoPath
10 9 (0.079%) Adobe Premiere
10 9 (0.079%) GIMP
11 8 (0.070%) UXPin
12 7 (0.062%) Adobe After Effects
12 7 (0.062%) Fireworks
12 7 (0.062%) Microsoft Project
13 6 (0.053%) InDesign
13 6 (0.053%) SPSS
14 5 (0.044%) Spreadsheet
Business Applications
1 177 (1.56%) Dynamics CRM
2 128 (1.13%) Magento
3 30 (0.26%) Payment Gateway
4 21 (0.18%) Adobe Campaign
5 18 (0.16%) Oracle BPM
6 17 (0.15%) ION MarketView
6 17 (0.15%) SAP Hybris
7 11 (0.097%) SDL Web 8
8 10 (0.088%) RMDS
8 10 (0.088%) Salesforce.com CRM
9 9 (0.079%) Dynamics AX
10 7 (0.062%) KANA IQ
10 7 (0.062%) OpenText Process Suite
10 7 (0.062%) Shopify
11 5 (0.044%) Eloqua
11 5 (0.044%) Oracle Cash Management
11 5 (0.044%) Oracle EBS R12
11 5 (0.044%) Oracle Internet Expenses
11 5 (0.044%) Oracle Payables
11 5 (0.044%) Oracle Receivables
Cloud Services
1 977 (8.59%) Amazon AWS
2 632 (5.56%) Microsoft Azure
3 359 (3.16%) npm
4 273 (2.40%) GitHub
5 152 (1.34%) Serverless
6 146 (1.28%) SaaS
7 130 (1.14%) PaaS
8 102 (0.90%) Amazon EC2
9 101 (0.89%) Office 365
10 92 (0.81%) Cloud Computing
11 91 (0.80%) Google Analytics
12 71 (0.62%) AWS Lambda
13 62 (0.55%) Google Cloud Platform
14 60 (0.53%) Amazon S3
15 59 (0.52%) Heroku
16 54 (0.47%) IaaS
17 52 (0.46%) AWS CloudFormation
18 44 (0.39%) Dynamics 365
18 44 (0.39%) Yarn
19 43 (0.38%) Slack
Communications & Networking
1 242 (2.13%) HTTP
2 208 (1.83%) Internet
3 85 (0.75%) LDAP
4 72 (0.63%) TCP/IP
5 69 (0.61%) SMS
6 63 (0.55%) Intranet
7 53 (0.47%) Firewall
8 44 (0.39%) SSL
9 36 (0.32%) DNS
10 27 (0.24%) Skype
11 22 (0.19%) FTP
12 16 (0.14%) VPN
13 14 (0.12%) Network Security
13 14 (0.12%) WAN
14 13 (0.11%) Ethernet
15 12 (0.11%) AMQP
16 11 (0.097%) Bluetooth
16 11 (0.097%) LAN
16 11 (0.097%) SMTP
17 10 (0.088%) Broadband
Database & Business Intelligence
1 1413 (12.42%) SQL Server
2 829 (7.29%) MySQL
3 769 (6.76%) MongoDB
4 713 (6.27%) NoSQL
5 530 (4.66%) Relational Database
6 324 (2.85%) PostgreSQL
7 241 (2.12%) Big Data
8 181 (1.59%) RDBMS
9 151 (1.33%) Oracle Database
10 142 (1.25%) Hadoop
11 138 (1.21%) Redis
12 137 (1.20%) SQL Server Reporting Services
13 133 (1.17%) SQL Server 2008
14 129 (1.13%) SQL Server Integration Services
15 121 (1.06%) Apache Cassandra
16 95 (0.84%) DB2
17 82 (0.72%) SQL Server 2012
18 71 (0.62%) Amazon DynamoDB
19 61 (0.54%) Data Warehouse
20 50 (0.44%) SQL Server Analysis Services
Development Applications
1 2417 (21.25%) Git (software)
2 1087 (9.56%) Jenkins
3 650 (5.71%) gulp
4 642 (5.64%) Grunt
5 626 (5.50%) JIRA
6 579 (5.09%) Selenium
7 541 (4.76%) Jasmine
8 513 (4.51%) Maven
9 489 (4.30%) Subversion
10 416 (3.66%) webpack
11 400 (3.52%) Visual Studio
12 394 (3.46%) JUnit
13 369 (3.24%) Cucumber
14 326 (2.87%) Team Foundation Server
15 324 (2.85%) TeamCity
16 285 (2.51%) Mocha
17 270 (2.37%) Karma Test Runner
18 214 (1.88%) Protractor
19 203 (1.78%) WebDriver
20 186 (1.64%) NUnit
General
1 1801 (15.83%) Finance
2 1055 (9.28%) Banking
3 414 (3.64%) Retail
4 394 (3.46%) Marketing
5 356 (3.13%) Front Office
6 333 (2.93%) Investment Banking
7 198 (1.74%) Telecoms
8 182 (1.60%) Games
9 128 (1.13%) Advertising
10 119 (1.05%) Manufacturing
11 111 (0.98%) Publishing
12 97 (0.85%) Electronics
13 79 (0.69%) Financial Institution
14 68 (0.60%) Back Office
15 59 (0.52%) Automotive
16 56 (0.49%) Law
17 46 (0.40%) Legal
18 40 (0.35%) Retail Banking
19 20 (0.18%) Pharmaceutical
20 19 (0.17%) French Language
Job Titles
1 9299 (81.76%) Developer
2 2283 (20.07%) JavaScript Developer
3 1806 (15.88%) Front End Developer (Client-Side Developer)
4 1464 (12.87%) Java Developer
5 1160 (10.20%) .NET Developer
6 983 (8.64%) Angular Developer
7 926 (8.14%) Senior Developer
8 901 (7.92%) Full Stack Developer
9 831 (7.31%) C# Developer
10 806 (7.09%) HTML Developer
11 599 (5.27%) Web Developer
12 595 (5.23%) UI Developer
13 533 (4.69%) Node.js Developer
14 494 (4.34%) HTML CSS Developer
15 486 (4.27%) C# .NET Developer
16 426 (3.75%) PHP Developer
17 305 (2.68%) ASP.NET Developer
18 304 (2.67%) Agile Developer
19 296 (2.60%) Architect
20 294 (2.58%) SQL Developer
Libraries, Frameworks & Software Standards
1 7205 (63.35%) HTML
2 6509 (57.23%) CSS
3 4019 (35.33%) AngularJS
4 3427 (30.13%) HTML5
5 2629 (23.11%) React
6 2611 (22.96%) Node.js
7 2519 (22.15%) .NET
8 2454 (21.58%) jQuery
9 2289 (20.12%) CSS3
10 1590 (13.98%) Web Services
11 1394 (12.26%) ASP.NET
12 1289 (11.33%) RESTful
13 1264 (11.11%) REST
14 1249 (10.98%) Sass
15 1159 (10.19%) XML
16 1071 (9.42%) Spring
17 971 (8.54%) JSON
18 901 (7.92%) Twitter Bootstrap
19 825 (7.25%) Ajax
20 729 (6.41%) ASP.NET MVC
Miscellaneous
1 1215 (10.68%) User Experience
2 667 (5.86%) Greenfield Project
3 495 (4.35%) Analytical Skills
4 460 (4.04%) Mobile App
5 340 (2.99%) Computer Science
6 247 (2.17%) Fintech
7 167 (1.47%) Foreign Exchange (FX)
8 149 (1.31%) Enterprise Software
9 147 (1.29%) Fixed Income
10 143 (1.26%) Data Structures
11 132 (1.16%) Virtual Team
12 122 (1.07%) Algorithms
13 92 (0.81%) Derivative
14 86 (0.76%) Hedge funds
15 84 (0.74%) Linux Command Line
16 79 (0.69%) W3C
17 70 (0.62%) Management Information System
18 64 (0.56%) NHS
19 60 (0.53%) N-Tier
20 58 (0.51%) Equities
Operating Systems
1 1148 (10.09%) Linux
2 552 (4.85%) Unix
3 490 (4.31%) Windows
4 286 (2.51%) Android
5 251 (2.21%) Apple iOS
6 135 (1.19%) Red Hat Enterprise Linux
7 88 (0.77%) Windows Server
8 79 (0.69%) Mac OS X
9 51 (0.45%) Mac OS
10 43 (0.38%) Windows Server 2012
11 42 (0.37%) Ubuntu
12 39 (0.34%) CentOS
13 36 (0.32%) Windows Server 2008
14 29 (0.25%) AIX
15 20 (0.18%) Windows Server 2003
16 15 (0.13%) Solaris
16 15 (0.13%) Windows 10
17 9 (0.079%) Debian
17 9 (0.079%) SUSE Linux Enterprise Server
18 7 (0.062%) Windows 2000
Processes & Methodologies
1 5188 (45.61%) Agile Software Development
2 2812 (24.72%) TDD
3 2418 (21.26%) Front End Development
4 2095 (18.42%) MVC
5 1718 (15.10%) Scrum
6 1657 (14.57%) Web Development
7 1359 (11.95%) OO
8 1344 (11.82%) Test Automation
9 1340 (11.78%) Continuous Integration
10 1282 (11.27%) BDD
11 829 (7.29%) DevOps
12 815 (7.17%) Software Engineering
13 792 (6.96%) Unit Testing
14 721 (6.34%) E-Commerce
15 684 (6.01%) Microservices
16 613 (5.39%) Responsive Web Design
17 583 (5.13%) SDLC
18 558 (4.91%) Open Source
19 488 (4.29%) Kanban
20 438 (3.85%) Analytics
Programming Languages
1 3412 (30.00%) Java
2 2502 (22.00%) C#
3 2270 (19.96%) SQL
4 1053 (9.26%) Python
5 1015 (8.92%) PHP
6 771 (6.78%) ES6
7 602 (5.29%) TypeScript
8 451 (3.97%) Ruby
9 339 (2.98%) Scala
10 299 (2.63%) T-SQL
11 244 (2.15%) C++
12 197 (1.73%) PowerShell
13 196 (1.72%) PL/SQL
14 164 (1.44%) Perl
15 155 (1.36%) Groovy
16 152 (1.34%) Bash Shell
17 144 (1.27%) VB.NET
18 135 (1.19%) C
19 120 (1.06%) Shell Script
20 105 (0.92%) ECMAScript
Qualifications
1 477 (4.19%) Degree
2 318 (2.80%) Security Cleared
3 210 (1.85%) SC Cleared
4 169 (1.49%) Computer Science Degree
5 66 (0.58%) BPSS Clearance
6 41 (0.36%) Microsoft Certification
7 33 (0.29%) ISTQB
8 27 (0.24%) ISEB
9 17 (0.15%) DV Cleared
9 17 (0.15%) Master's Degree
9 17 (0.15%) MCSE
10 14 (0.12%) BC Cleared
10 14 (0.12%) PMP
11 11 (0.097%) CTC Cleared
12 9 (0.079%) CISSP
13 8 (0.070%) MCSD
14 7 (0.062%) DBS Check
14 7 (0.062%) MCTS
14 7 (0.062%) OCPJP
14 7 (0.062%) PMI Certification
Quality Assurance & Compliance
1 481 (4.23%) QA
2 45 (0.40%) Disclosure Scotland
3 42 (0.37%) WCAG
4 32 (0.28%) WAI
5 28 (0.25%) MiFID
6 25 (0.22%) SLA
7 19 (0.17%) HL7
8 9 (0.079%) ISO/IEC 27001
9 7 (0.062%) Data Quality
10 6 (0.053%) PCI DSS
11 5 (0.044%) COBIT
11 5 (0.044%) GDPR
11 5 (0.044%) PMO
12 4 (0.035%) Sarbanes-Oxley
13 3 (0.026%) FedRAMP
14 2 (0.018%) FATCA
14 2 (0.018%) GCP
14 2 (0.018%) ISO 9001
14 2 (0.018%) RosettaNet
14 2 (0.018%) Solvency II
System Software
1 644 (5.66%) Docker
2 110 (0.97%) Active Directory
3 30 (0.26%) VMware Infrastructure
4 22 (0.19%) Virtual Machines
5 12 (0.11%) VMware NSX
6 11 (0.097%) VirtualBox
7 9 (0.079%) Apache ZooKeeper
7 9 (0.079%) Varnish
8 8 (0.070%) Brightmail
9 6 (0.053%) HDFS
9 6 (0.053%) Virtual Servers
9 6 (0.053%) vSphere
10 5 (0.044%) Apache Flume
10 5 (0.044%) Firmware
10 5 (0.044%) UAG
10 5 (0.044%) VMware ESXi
11 4 (0.035%) OpenAM
11 4 (0.035%) OpenDJ
12 3 (0.026%) etcd
12 3 (0.026%) Virtual Desktop
Systems Management
1 239 (2.10%) Ansible
2 238 (2.09%) Puppet
3 190 (1.67%) Opscode Chef
4 146 (1.28%) Kubernetes
5 82 (0.72%) Terraform
6 50 (0.44%) Kibana
7 33 (0.29%) logstash
8 27 (0.24%) Business Desktop Deployment
8 27 (0.24%) Nagios
9 26 (0.23%) Grafana
10 25 (0.22%) SCCM
11 19 (0.17%) ZABBIX
12 18 (0.16%) BladeLogic
12 18 (0.16%) Mesos
13 16 (0.14%) Rancher
13 16 (0.14%) Systems Management Server (SMS)
14 15 (0.13%) HP Quality Center
14 15 (0.13%) Sysdig
15 13 (0.11%) Control-M
15 13 (0.11%) vRealize
Vendors
1 976 (8.58%) Microsoft
2 752 (6.61%) Oracle
3 347 (3.05%) Adobe
4 264 (2.32%) Google
5 185 (1.63%) IBM
6 169 (1.49%) ServiceNow
7 165 (1.45%) SAP
8 127 (1.12%) Sitecore
9 122 (1.07%) Salesforce.com
10 92 (0.81%) Red Hat
11 81 (0.71%) Zend
12 72 (0.63%) Sybase
13 71 (0.62%) Atlassian
13 71 (0.62%) New Relic
14 64 (0.56%) hybris
15 61 (0.54%) Splunk
15 61 (0.54%) VMware
16 53 (0.47%) HP
17 51 (0.45%) Apigee
18 50 (0.44%) Twitter