Period
to 12 December 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 12 December 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
12 Dec 2017
Same period 2016 Same period 2015
Rank 7 8 9
Rank change year-on-year +1 +1 +2
Contract jobs citing JavaScript 11468 11755 11640
As % of all contract IT jobs advertised in the UK 11.10% 11.38% 10.34%
As % of the Programming Languages category 26.43% 28.13% 26.91%
Number of daily rates quoted 8553 8607 8509
UK median daily rate £445 £413 £400
Median daily rate % change year-on-year +7.88% +3.13% +6.67%
10th Percentile £306 £298 £263
90th Percentile £600 £575 £551
UK excluding London median daily rate £380 £375 £363
% change year-on-year +1.33% +3.45% +6.62%
Number of hourly rates quoted 107 100 134
UK median hourly rate £42.50 £38.25 £32.63
Median hourly rate % change year-on-year +11.11% +17.24% -3.01%
10th Percentile £23.05 £14.95 £19.13
90th Percentile £63.75 £59.31 £47.50
UK excluding London median hourly rate £45.00 £39.00 £33.55
% change year-on-year +15.38% +16.24% +8.23%

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 43393 41789 43255
As % of all contract IT jobs advertised in the UK 41.99% 40.44% 38.44%
Number of daily rates quoted 30441 28679 29356
UK median daily rate £450 £425 £401
Median daily rate % change year-on-year +5.88% +6.12% +0.13%
10th Percentile £308 £285 £270
90th Percentile £638 £588 £588
UK excluding London median daily rate £400 £375 £375
% change year-on-year +6.67% - +7.14%
Number of hourly rates quoted 782 870 1061
UK median hourly rate £40.00 £39.23 £37.50
Median hourly rate % change year-on-year +1.98% +4.60% +17.19%
10th Percentile £16.25 £14.43 £14.10
90th Percentile £52.23 £52.50 £50.00
UK excluding London median hourly rate £40.00 £39.44 £37.50
% change year-on-year +1.43% +5.16% +15.38%

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 12 December 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 12 December 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 12 December 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 10623 £450 +8.43% 2421
London -1 6109 £486 +8.06% 968
UK excluding London +1 5233 £380 +1.33% 1547
South East 0 1544 £400 +6.67% 430
North of England +1 1248 £388 +1.64% 461
Midlands -2 711 £350 -3.45% 246
North West +3 659 £375 - 242
South West +1 569 £370 +4.23% 165
Yorkshire -2 532 £400 - 190
Scotland +1 515 £380 +8.57% 77
East of England +2 420 £375 - 148
West Midlands 0 403 £350 - 119
East Midlands -4 301 £348 -7.33% 124
Wales +2 135 £418 -1.76% 13
Northern Ireland +6 112 £413 +11.86% 8
North East -7 71 £400 - 29

For the 6 months to 12 December 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 6947 (60.58%) HTML
2 6299 (54.93%) CSS
3 5376 (46.88%) Agile Software Development
4 3886 (33.89%) AngularJS
5 3440 (30.00%) Java
6 3302 (28.79%) HTML5
7 2878 (25.10%) TDD
8 2674 (23.32%) React
9 2614 (22.79%) .NET
10 2581 (22.51%) C#
11 2563 (22.35%) Node.js
12 2395 (20.88%) Git (software)
13 2346 (20.46%) jQuery
14 2336 (20.37%) SQL
15 2317 (20.20%) Front End Development
16 2176 (18.97%) CSS3
17 2041 (17.80%) MVC
18 1786 (15.57%) Finance
19 1725 (15.04%) Scrum
20 1636 (14.27%) Web Services
21 1573 (13.72%) Web Development
22 1476 (12.87%) SQL Server
23 1441 (12.57%) Test Automation
24 1425 (12.43%) Continuous Integration
25 1420 (12.38%) BDD
26 1371 (11.96%) REST
27 1369 (11.94%) ASP.NET
28 1341 (11.69%) RESTful
29 1251 (10.91%) Sass
30 1233 (10.75%) OO

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
1 504 (4.39%) CMS
2 320 (2.79%) Apache
3 296 (2.58%) SharePoint
4 289 (2.52%) Elasticsearch
5 244 (2.13%) Confluence
6 224 (1.95%) Drupal
6 224 (1.95%) Tomcat
7 209 (1.82%) IIS
8 204 (1.78%) WebSphere
9 189 (1.65%) WordPress
10 175 (1.53%) JBoss
11 129 (1.12%) WebLogic
12 110 (0.96%) Umbraco
13 105 (0.92%) Adobe Experience Manager
14 95 (0.83%) Apache Spark
14 95 (0.83%) nginx
15 86 (0.75%) SharePoint 2013
16 80 (0.70%) Oracle SOA Suite
17 76 (0.66%) Cloud Foundry
18 71 (0.62%) SharePoint 2010
Applications
1 228 (1.99%) Photoshop
2 97 (0.85%) Adobe Creative Suite
2 97 (0.85%) Adobe Illustrator
3 93 (0.81%) Microsoft Excel
4 56 (0.49%) Microsoft Office
5 38 (0.33%) InVision
6 35 (0.31%) OmniGraffle
7 34 (0.30%) MS Visio
8 21 (0.18%) Microsoft PowerPoint
9 18 (0.16%) InfoPath
10 15 (0.13%) Chatbot
10 15 (0.13%) GIMP
11 13 (0.11%) Adobe Premiere
12 9 (0.078%) Adobe After Effects
12 9 (0.078%) Microsoft Project
13 8 (0.070%) Fireworks
14 7 (0.061%) UXPin
15 6 (0.052%) Acrobat
15 6 (0.052%) InDesign
15 6 (0.052%) SPSS
Business Applications
1 198 (1.73%) Dynamics CRM
2 142 (1.24%) Magento
3 27 (0.24%) Adobe Campaign
3 27 (0.24%) Payment Gateway
4 25 (0.22%) Oracle BPM
5 17 (0.15%) ION MarketView
6 16 (0.14%) SAP Hybris
7 11 (0.096%) Dynamics AX
8 10 (0.087%) RMDS
8 10 (0.087%) Salesforce.com CRM
8 10 (0.087%) Shopify
9 7 (0.061%) Eloqua
9 7 (0.061%) KANA IQ
10 6 (0.052%) Dynamics NAV
10 6 (0.052%) SDL Web 8
10 6 (0.052%) WebTrends
11 5 (0.044%) Oracle Applications
11 5 (0.044%) Oracle EBS
11 5 (0.044%) Oracle EBS R12
11 5 (0.044%) Remedy ITSM
Cloud Services
1 1123 (9.79%) Amazon AWS
2 725 (6.32%) Microsoft Azure
3 339 (2.96%) npm
4 299 (2.61%) GitHub
5 157 (1.37%) Serverless
6 156 (1.36%) SaaS
7 150 (1.31%) PaaS
8 114 (0.99%) Amazon EC2
9 109 (0.95%) Office 365
10 98 (0.85%) Google Analytics
11 83 (0.72%) Google Cloud Platform
12 70 (0.61%) AWS Lambda
12 70 (0.61%) Cloud Computing
13 69 (0.60%) IaaS
13 69 (0.60%) Slack
14 68 (0.59%) Heroku
15 58 (0.51%) Amazon S3
16 53 (0.46%) Dynamics 365
17 33 (0.29%) Amazon SQS
17 33 (0.29%) Yarn
Communications & Networking
1 242 (2.11%) HTTP
2 192 (1.67%) Internet
3 80 (0.70%) SMS
4 78 (0.68%) TCP/IP
5 71 (0.62%) SSL
6 65 (0.57%) Firewall
7 61 (0.53%) Intranet
8 55 (0.48%) LDAP
9 36 (0.31%) DNS
9 36 (0.31%) FTP
10 29 (0.25%) Skype
11 21 (0.18%) SMTP
12 15 (0.13%) VPN
13 14 (0.12%) AMQP
14 13 (0.11%) Network Security
14 13 (0.11%) SSH
15 11 (0.096%) Kerberos
15 11 (0.096%) WAN
16 10 (0.087%) Bluetooth
16 10 (0.087%) Broadband
Database & Business Intelligence
1 1476 (12.87%) SQL Server
2 854 (7.45%) MySQL
3 773 (6.74%) NoSQL
4 751 (6.55%) MongoDB
5 564 (4.92%) Relational Database
6 417 (3.64%) PostgreSQL
7 239 (2.08%) Big Data
8 226 (1.97%) RDBMS
9 172 (1.50%) Redis
10 139 (1.21%) Apache Cassandra
10 139 (1.21%) Oracle Database
10 139 (1.21%) SQL Server Reporting Services
11 136 (1.19%) SQL Server Integration Services
12 134 (1.17%) Hadoop
13 120 (1.05%) SQL Server 2008
14 105 (0.92%) DB2
15 84 (0.73%) Amazon DynamoDB
16 72 (0.63%) SQL Server 2012
17 62 (0.54%) Data Warehouse
18 51 (0.44%) SQL Server 2014
Development Applications
1 2395 (20.88%) Git (software)
2 1129 (9.84%) Jenkins
3 673 (5.87%) JIRA
4 669 (5.83%) Selenium
5 602 (5.25%) gulp
6 556 (4.85%) Grunt
7 538 (4.69%) Maven
8 537 (4.68%) Jasmine
9 482 (4.20%) webpack
10 450 (3.92%) Subversion
11 439 (3.83%) JUnit
12 427 (3.72%) Cucumber
13 403 (3.51%) Visual Studio
14 309 (2.69%) TeamCity
15 296 (2.58%) Team Foundation Server
16 268 (2.34%) Mocha
17 267 (2.33%) Karma Test Runner
18 222 (1.94%) Protractor
19 200 (1.74%) WebDriver
20 199 (1.74%) Eclipse
General
1 1786 (15.57%) Finance
2 998 (8.70%) Banking
3 380 (3.31%) Retail
4 369 (3.22%) Marketing
5 304 (2.65%) Front Office
6 277 (2.42%) Investment Banking
7 201 (1.75%) Telecoms
8 199 (1.74%) Games
9 136 (1.19%) Publishing
10 113 (0.99%) Manufacturing
11 108 (0.94%) Advertising
12 87 (0.76%) Electronics
13 83 (0.72%) Law
14 76 (0.66%) Financial Institution
15 74 (0.65%) Back Office
16 54 (0.47%) Automotive
17 51 (0.44%) Legal
18 40 (0.35%) Retail Banking
19 21 (0.18%) French Language
20 17 (0.15%) Multimedia
Job Titles
1 9178 (80.03%) Developer
2 2211 (19.28%) JavaScript Developer
3 1748 (15.24%) Front End Developer (Client-Side Developer)
4 1459 (12.72%) Java Developer
5 1167 (10.18%) .NET Developer
6 919 (8.01%) Senior Developer
7 906 (7.90%) Full Stack Developer
8 879 (7.66%) Angular Developer
9 843 (7.35%) C# Developer
10 724 (6.31%) HTML Developer
11 571 (4.98%) Web Developer
12 523 (4.56%) UI Developer
13 509 (4.44%) Node.js Developer
14 479 (4.18%) C# .NET Developer
15 454 (3.96%) HTML CSS Developer
16 376 (3.28%) PHP Developer
17 320 (2.79%) Agile Developer
18 302 (2.63%) Architect
19 287 (2.50%) SQL Developer
20 284 (2.48%) ASP.NET Developer
Libraries, Frameworks & Software Standards
1 6947 (60.58%) HTML
2 6299 (54.93%) CSS
3 3886 (33.89%) AngularJS
4 3302 (28.79%) HTML5
5 2674 (23.32%) React
6 2614 (22.79%) .NET
7 2563 (22.35%) Node.js
8 2346 (20.46%) jQuery
9 2176 (18.97%) CSS3
10 1636 (14.27%) Web Services
11 1371 (11.96%) REST
12 1369 (11.94%) ASP.NET
13 1341 (11.69%) RESTful
14 1251 (10.91%) Sass
15 1152 (10.05%) XML
16 1087 (9.48%) Spring
17 971 (8.47%) JSON
18 884 (7.71%) Twitter Bootstrap
19 797 (6.95%) Redux
20 779 (6.79%) Ajax
Miscellaneous
1 1182 (10.31%) User Experience
2 705 (6.15%) Greenfield Project
3 498 (4.34%) Mobile App
4 495 (4.32%) Analytical Skills
5 342 (2.98%) Computer Science
6 276 (2.41%) Fintech
7 170 (1.48%) Enterprise Software
8 150 (1.31%) Foreign Exchange (FX)
9 141 (1.23%) Data Structures
10 138 (1.20%) Fixed Income
11 129 (1.12%) Virtual Team
12 122 (1.06%) Algorithms
13 88 (0.77%) Linux Command Line
14 82 (0.72%) W3C
15 78 (0.68%) Hedge funds
16 76 (0.66%) Derivative
17 69 (0.60%) N-Tier
18 62 (0.54%) Management Information System
19 58 (0.51%) Video on Demand
20 57 (0.50%) iPad
Operating Systems
1 1142 (9.96%) Linux
2 494 (4.31%) Windows
3 489 (4.26%) Unix
4 313 (2.73%) Android
5 292 (2.55%) Apple iOS
6 139 (1.21%) Red Hat Enterprise Linux
7 104 (0.91%) Windows Server
8 61 (0.53%) Mac OS X
9 43 (0.37%) Ubuntu
10 40 (0.35%) Windows Server 2012
11 37 (0.32%) Mac OS
12 36 (0.31%) CentOS
13 32 (0.28%) Windows Server 2008
14 21 (0.18%) Windows Server 2003
15 19 (0.17%) AIX
16 14 (0.12%) Windows 10
17 8 (0.070%) Debian
18 7 (0.061%) Solaris
18 7 (0.061%) Windows 2000
18 7 (0.061%) Windows XP
Processes & Methodologies
1 5376 (46.88%) Agile Software Development
2 2878 (25.10%) TDD
3 2317 (20.20%) Front End Development
4 2041 (17.80%) MVC
5 1725 (15.04%) Scrum
6 1573 (13.72%) Web Development
7 1441 (12.57%) Test Automation
8 1425 (12.43%) Continuous Integration
9 1420 (12.38%) BDD
10 1233 (10.75%) OO
11 870 (7.59%) DevOps
12 834 (7.27%) Software Engineering
13 805 (7.02%) Unit Testing
14 759 (6.62%) Microservices
15 740 (6.45%) E-Commerce
16 584 (5.09%) Open Source
17 580 (5.06%) SDLC
18 549 (4.79%) Responsive Web Design
19 517 (4.51%) Kanban
20 442 (3.85%) Analytics
Programming Languages
1 3440 (30.00%) Java
2 2581 (22.51%) C#
3 2336 (20.37%) SQL
4 1061 (9.25%) Python
5 1008 (8.79%) PHP
6 824 (7.19%) ES6
7 590 (5.14%) TypeScript
8 464 (4.05%) Ruby
9 352 (3.07%) Scala
10 287 (2.50%) T-SQL
11 256 (2.23%) C++
12 216 (1.88%) PowerShell
13 189 (1.65%) PL/SQL
14 164 (1.43%) Groovy
15 159 (1.39%) Bash Shell
16 157 (1.37%) Perl
17 153 (1.33%) C
18 137 (1.19%) VB.NET
19 116 (1.01%) Go
20 114 (0.99%) ECMAScript
Qualifications
1 488 (4.26%) Degree
2 347 (3.03%) Security Cleared
3 227 (1.98%) SC Cleared
4 174 (1.52%) Computer Science Degree
5 67 (0.58%) BPSS Clearance
6 38 (0.33%) Microsoft Certification
7 36 (0.31%) ISTQB
8 31 (0.27%) ISEB
9 24 (0.21%) DV Cleared
10 23 (0.20%) Master's Degree
11 18 (0.16%) MCSE
12 14 (0.12%) PMP
13 13 (0.11%) BC Cleared
14 11 (0.096%) CTC Cleared
15 8 (0.070%) MCSD
16 7 (0.061%) DBS Check
17 6 (0.052%) ISTQB Foundation Certification
17 6 (0.052%) ITIL Certification
17 6 (0.052%) Oracle Certification
18 5 (0.044%) MCTS
Quality Assurance & Compliance
1 503 (4.39%) QA
2 55 (0.48%) WCAG
3 38 (0.33%) Disclosure Scotland
4 30 (0.26%) WAI
5 27 (0.24%) MiFID
6 19 (0.17%) HL7
7 13 (0.11%) Data Quality
7 13 (0.11%) SLA
8 9 (0.078%) GCP
8 9 (0.078%) GDPR
9 7 (0.061%) ISO/IEC 27001
9 7 (0.061%) PCI DSS
10 5 (0.044%) PMO
11 3 (0.026%) EMIR
11 3 (0.026%) Sarbanes-Oxley
12 2 (0.017%) PSD2
12 2 (0.017%) RosettaNet
12 2 (0.017%) Solvency II
13 1 (0.009%) FedRAMP
13 1 (0.009%) ISO/IEC 20000
System Software
1 782 (6.82%) Docker
2 103 (0.90%) Active Directory
3 31 (0.27%) VMware Infrastructure
4 25 (0.22%) Virtual Machines
5 13 (0.11%) VMware NSX
6 11 (0.096%) Varnish
7 10 (0.087%) Apache Flume
8 9 (0.078%) Apache ZooKeeper
9 8 (0.070%) Brightmail
10 7 (0.061%) Virtual Servers
10 7 (0.061%) VMware ESXi
11 6 (0.052%) etcd
11 6 (0.052%) VirtualBox
12 5 (0.044%) Firmware
12 5 (0.044%) HDFS
12 5 (0.044%) vSphere
13 4 (0.035%) Hyper-V
13 4 (0.035%) OpenAM
13 4 (0.035%) OpenDJ
14 3 (0.026%) Virtual Desktop
Systems Management
1 302 (2.63%) Ansible
2 291 (2.54%) Puppet
3 234 (2.04%) Opscode Chef
4 215 (1.87%) Kubernetes
5 96 (0.84%) Terraform
6 67 (0.58%) Kibana
7 55 (0.48%) Grafana
8 29 (0.25%) logstash
9 28 (0.24%) Business Desktop Deployment
10 27 (0.24%) Nagios
11 24 (0.21%) SCCM
12 19 (0.17%) Mesos
12 19 (0.17%) ZABBIX
13 18 (0.16%) HP Quality Center
14 17 (0.15%) Docker Swarm
14 17 (0.15%) Systems Management Server (SMS)
14 17 (0.15%) vRealize
15 16 (0.14%) Rancher
16 15 (0.13%) Sysdig
17 11 (0.096%) vCenter Server
Vendors
1 1012 (8.82%) Microsoft
2 777 (6.78%) Oracle
3 332 (2.90%) Adobe
4 265 (2.31%) Google
5 178 (1.55%) ServiceNow
6 175 (1.53%) IBM
7 143 (1.25%) SAP
8 138 (1.20%) Salesforce.com
9 101 (0.88%) Sitecore
10 85 (0.74%) Red Hat
10 85 (0.74%) Splunk
11 73 (0.64%) hybris
12 71 (0.62%) Zend
13 70 (0.61%) Sybase
14 68 (0.59%) Apigee
15 66 (0.58%) VMware
16 64 (0.56%) New Relic
17 63 (0.55%) Twitter
18 62 (0.54%) Atlassian
19 57 (0.50%) HP