Period
to 21 January 2018

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 January 2018 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 Jan 2018
Same period 2017 Same period 2016
Rank 9 8 9
Rank change year-on-year -1 +1 +2
Contract jobs citing JavaScript 10,884 10,882 11,213
As % of all contract IT jobs advertised in the UK 11.02% 11.33% 10.39%
As % of the Programming Languages category 26.15% 27.73% 26.99%
Number of daily rates quoted 8,194 7,907 8,174
UK median daily rate £450 £415 £400
Median daily rate % change year-on-year +8.43% +3.75% +6.67%
10th Percentile £306 £300 £268
90th Percentile £600 £575 £563
UK excluding London median daily rate £388 £375 £363
% change year-on-year +3.33% +3.45% +3.57%
Number of hourly rates quoted 88 96 140
UK median hourly rate £42.75 £36.25 £34.50
Median hourly rate % change year-on-year +17.93% +5.07% +6.15%
10th Percentile £23.14 £14.87 £19.42
90th Percentile £63.75 £56.82 £54.90
UK excluding London median hourly rate £45.00 £35.50 £35.00
% change year-on-year +26.76% +1.43% +8.53%

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 41,625 39,249 41,541
As % of all contract IT jobs advertised in the UK 42.16% 40.87% 38.47%
Number of daily rates quoted 29,361 26,941 28,216
UK median daily rate £450 £425 £413
Median daily rate % change year-on-year +5.88% +3.03% +3.13%
10th Percentile £308 £288 £275
90th Percentile £638 £600 £595
UK excluding London median daily rate £400 £375 £375
% change year-on-year +6.67% - +7.14%
Number of hourly rates quoted 750 863 1,065
UK median hourly rate £40.00 £40.00 £37.50
Median hourly rate % change year-on-year - +6.67% +15.38%
10th Percentile £16.61 £14.77 £14.13
90th Percentile £52.50 £52.00 £51.25
UK excluding London median hourly rate £40.00 £40.00 £37.50
% change year-on-year - +6.67% +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 21 January 2018.

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 January 2018.

Contractor hourly rate histogram for JavaScript in the UK

JavaScript
Top 17 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 January 2018. 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 0 10,093 £450 +5.88% 5,243
London -1 5,781 £488 +8.33% 2,052
UK excluding London +1 4,985 £388 +3.33% 3,435
South East +1 1,472 £400 +5.26% 921
North of England +2 1,278 £388 - 949
Midlands -1 685 £350 -6.54% 566
North West +3 666 £375 -3.23% 544
Yorkshire +2 552 £400 +2.56% 344
South West +3 492 £375 +4.17% 363
Scotland -3 450 £380 +4.47% 142
West Midlands -4 388 £355 -5.21% 300
East of England +2 373 £375 +7.14% 389
East Midlands -4 289 £350 -6.67% 264
Wales +5 150 £425 +6.25% 75
Northern Ireland +10 104 £413 +11.86% 28
North East -13 72 £400 +5.26% 61
Isle of Man -1 1 £400 -5.88% 2

For the 6 months to 21 January 2018, 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 6,439 (59.16%) HTML
2 5,872 (53.95%) CSS
3 5,175 (47.55%) Agile Software Development
4 3,635 (33.40%) AngularJS
5 3,277 (30.11%) Java
6 3,032 (27.86%) HTML5
7 2,805 (25.77%) TDD
8 2,599 (23.88%) .NET
9 2,593 (23.82%) React
10 2,562 (23.54%) C#
11 2,460 (22.60%) Node.js
12 2,276 (20.91%) Git (software)
13 2,275 (20.90%) SQL
14 2,194 (20.16%) jQuery
15 2,102 (19.31%) Front End Development
16 1,991 (18.29%) CSS3
17 1,982 (18.21%) MVC
18 1,671 (15.35%) Finance
19 1,612 (14.81%) Scrum
20 1,570 (14.42%) Web Services
21 1,492 (13.71%) SQL Server
22 1,462 (13.43%) Web Development
23 1,435 (13.18%) Test Automation
24 1,432 (13.16%) BDD
25 1,414 (12.99%) Continuous Integration
26 1,320 (12.13%) ASP.NET
27 1,318 (12.11%) RESTful
28 1,305 (11.99%) REST
29 1,155 (10.61%) Amazon AWS
30 1,146 (10.53%) 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
1 456 (4.19%) CMS
2 293 (2.69%) Apache
3 277 (2.55%) Elasticsearch
4 264 (2.43%) SharePoint
5 261 (2.40%) Confluence
6 216 (1.98%) Tomcat
7 194 (1.78%) IIS
8 192 (1.76%) Drupal
9 176 (1.62%) WebSphere
10 164 (1.51%) JBoss
11 155 (1.42%) WordPress
12 128 (1.18%) WebLogic
13 117 (1.07%) Adobe Experience Manager
14 100 (0.92%) Apache Spark
15 97 (0.89%) Umbraco
16 92 (0.85%) nginx
17 87 (0.80%) Oracle SOA Suite
18 86 (0.79%) Cloud Foundry
19 76 (0.70%) SharePoint 2013
20 66 (0.61%) Apache Solr
Applications
1 195 (1.79%) Photoshop
2 90 (0.83%) Adobe Illustrator
3 85 (0.78%) Adobe Creative Suite
4 82 (0.75%) Microsoft Excel
5 51 (0.47%) Microsoft Office
6 40 (0.37%) InVision
7 31 (0.28%) OmniGraffle
8 28 (0.26%) MS Visio
9 21 (0.19%) Microsoft PowerPoint
10 17 (0.16%) InfoPath
11 13 (0.12%) GIMP
12 12 (0.11%) Chatbot
13 11 (0.10%) Adobe Premiere
14 8 (0.074%) Adobe After Effects
14 8 (0.074%) Fireworks
15 7 (0.064%) Acrobat
15 7 (0.064%) InDesign
16 6 (0.055%) Microsoft Project
16 6 (0.055%) SPSS
16 6 (0.055%) UXPin
Business Applications
1 177 (1.63%) Dynamics CRM
2 128 (1.18%) Magento
3 35 (0.32%) Payment Gateway
4 32 (0.29%) Oracle BPM
5 21 (0.19%) Adobe Campaign
6 17 (0.16%) ION MarketView
6 17 (0.16%) SAP Hybris
7 12 (0.11%) Dynamics AX
8 10 (0.092%) Salesforce.com CRM
8 10 (0.092%) Shopify
9 8 (0.074%) Dynamics NAV
9 8 (0.074%) Eloqua
10 7 (0.064%) KANA IQ
11 6 (0.055%) RMDS
11 6 (0.055%) SAP Oil and Gas
12 5 (0.046%) WebTrends
13 4 (0.037%) Oracle EBS
14 3 (0.028%) Maximo
14 3 (0.028%) Oracle Applications
14 3 (0.028%) SDL Web 8
Cloud Services
1 1,155 (10.61%) Amazon AWS
2 733 (6.73%) Microsoft Azure
3 342 (3.14%) npm
4 290 (2.66%) GitHub
5 184 (1.69%) Serverless
6 167 (1.53%) PaaS
7 149 (1.37%) SaaS
8 116 (1.07%) Google Analytics
9 107 (0.98%) Amazon EC2
10 106 (0.97%) Google Cloud Platform
11 97 (0.89%) Office 365
12 82 (0.75%) Slack
13 76 (0.70%) AWS Lambda
13 76 (0.70%) Heroku
14 74 (0.68%) IaaS
15 62 (0.57%) Cloud Computing
16 56 (0.51%) Amazon S3
17 55 (0.51%) Dynamics 365
18 38 (0.35%) Adobe Analytics
19 36 (0.33%) Amazon SQS
Communications & Networking
1 246 (2.26%) HTTP
2 169 (1.55%) Internet
3 72 (0.66%) SMS
3 72 (0.66%) SSL
4 70 (0.64%) TCP/IP
5 64 (0.59%) Firewall
6 55 (0.51%) Intranet
7 39 (0.36%) DNS
8 38 (0.35%) FTP
9 28 (0.26%) Skype
10 18 (0.17%) SMTP
11 15 (0.14%) AMQP
12 13 (0.12%) SSH
13 11 (0.10%) Kerberos
13 11 (0.10%) Network Security
13 11 (0.10%) VPN
14 10 (0.092%) HTTPS
14 10 (0.092%) MQTT
14 10 (0.092%) SNMP
15 9 (0.083%) LAN
Database & Business Intelligence
1 1,492 (13.71%) SQL Server
2 876 (8.05%) MySQL
3 750 (6.89%) MongoDB
4 745 (6.84%) NoSQL
5 552 (5.07%) Relational Database
6 482 (4.43%) PostgreSQL
7 234 (2.15%) Big Data
8 221 (2.03%) Redis
9 220 (2.02%) RDBMS
10 143 (1.31%) Hadoop
11 134 (1.23%) SQL Server Reporting Services
12 128 (1.18%) Apache Cassandra
13 123 (1.13%) SQL Server Integration Services
14 121 (1.11%) Oracle Database
15 112 (1.03%) SQL Server 2008
16 97 (0.89%) Amazon DynamoDB
17 91 (0.84%) DB2
18 70 (0.64%) Neo4j
19 68 (0.62%) SQL Server 2012
20 64 (0.59%) Data Warehouse
Development Applications
1 2,276 (20.91%) Git (software)
2 1,082 (9.94%) Jenkins
3 661 (6.07%) JIRA
4 652 (5.99%) Selenium
5 547 (5.03%) Maven
6 545 (5.01%) gulp
7 497 (4.57%) Grunt
8 492 (4.52%) webpack
9 465 (4.27%) Jasmine
10 448 (4.12%) JUnit
11 430 (3.95%) Cucumber
12 421 (3.87%) Subversion
13 374 (3.44%) Visual Studio
14 292 (2.68%) TeamCity
15 273 (2.51%) Mocha
16 260 (2.39%) Team Foundation Server
17 243 (2.23%) Karma Test Runner
18 220 (2.02%) Protractor
19 191 (1.75%) Ant
20 184 (1.69%) Eclipse
General
1 1,671 (15.35%) Finance
2 894 (8.21%) Banking
3 367 (3.37%) Marketing
4 362 (3.33%) Retail
5 254 (2.33%) Front Office
6 248 (2.28%) Investment Banking
7 191 (1.75%) Telecoms
8 185 (1.70%) Games
9 128 (1.18%) Publishing
10 98 (0.90%) Advertising
11 95 (0.87%) Law
12 91 (0.84%) Manufacturing
13 77 (0.71%) Back Office
14 71 (0.65%) Financial Institution
15 67 (0.62%) Electronics
16 64 (0.59%) Legal
17 52 (0.48%) Automotive
18 38 (0.35%) Retail Banking
19 25 (0.23%) Multimedia
20 16 (0.15%) French Language
Job Titles
1 8,671 (79.67%) Developer
2 2,017 (18.53%) JavaScript Developer
3 1,597 (14.67%) Front End Developer (Client-Side Developer)
4 1,383 (12.71%) Java Developer
5 1,174 (10.79%) .NET Developer
6 984 (9.04%) React Developer
7 896 (8.23%) Senior Developer
8 882 (8.10%) Full Stack Developer
9 868 (7.98%) C# Developer
10 762 (7.00%) Angular Developer
11 643 (5.91%) HTML Developer
12 515 (4.73%) Web Developer
13 510 (4.69%) C# .NET Developer
14 480 (4.41%) Node.js Developer
15 466 (4.28%) UI Developer
16 402 (3.69%) HTML CSS Developer
17 380 (3.49%) PHP Developer
18 292 (2.68%) SQL Developer
19 291 (2.67%) Architect
20 290 (2.66%) Agile Developer
Libraries, Frameworks & Software Standards
1 6,439 (59.16%) HTML
2 5,872 (53.95%) CSS
3 3,635 (33.40%) AngularJS
4 3,032 (27.86%) HTML5
5 2,599 (23.88%) .NET
6 2,593 (23.82%) React
7 2,460 (22.60%) Node.js
8 2,194 (20.16%) jQuery
9 1,991 (18.29%) CSS3
10 1,570 (14.42%) Web Services
11 1,320 (12.13%) ASP.NET
12 1,318 (12.11%) RESTful
13 1,305 (11.99%) REST
14 1,146 (10.53%) Sass
15 1,084 (9.96%) Spring
16 1,075 (9.88%) XML
17 881 (8.09%) JSON
18 805 (7.40%) Twitter Bootstrap
19 775 (7.12%) Redux
20 716 (6.58%) ASP.NET Web API
Miscellaneous
1 1,051 (9.66%) User Experience
2 695 (6.39%) Greenfield Project
3 471 (4.33%) Analytical Skills
3 471 (4.33%) Mobile App
4 346 (3.18%) Computer Science
5 301 (2.77%) Fintech
6 195 (1.79%) Enterprise Software
7 145 (1.33%) Foreign Exchange (FX)
8 133 (1.22%) Algorithms
9 132 (1.21%) Data Structures
10 127 (1.17%) Virtual Team
11 122 (1.12%) Fixed Income
12 85 (0.78%) Linux Command Line
13 75 (0.69%) Derivative
13 75 (0.69%) Hedge funds
14 61 (0.56%) iPad
14 61 (0.56%) N-Tier
15 57 (0.52%) Video on Demand
16 55 (0.51%) Management Information System
17 54 (0.50%) W3C
Operating Systems
1 1,068 (9.81%) Linux
2 475 (4.36%) Unix
3 463 (4.25%) Windows
4 284 (2.61%) Android
5 281 (2.58%) Apple iOS
6 125 (1.15%) Red Hat Enterprise Linux
7 103 (0.95%) Windows Server
8 73 (0.67%) Mac OS X
9 41 (0.38%) Ubuntu
10 40 (0.37%) Windows Server 2012
11 29 (0.27%) Windows Server 2008
12 27 (0.25%) Mac OS
13 22 (0.20%) Windows Server 2003
14 18 (0.17%) CentOS
15 15 (0.14%) AIX
16 13 (0.12%) Windows 10
17 9 (0.083%) VMS
18 7 (0.064%) Debian
18 7 (0.064%) Windows 2000
19 6 (0.055%) Windows XP
Processes & Methodologies
1 5,175 (47.55%) Agile Software Development
2 2,805 (25.77%) TDD
3 2,102 (19.31%) Front End Development
4 1,982 (18.21%) MVC
5 1,612 (14.81%) Scrum
6 1,462 (13.43%) Web Development
7 1,435 (13.18%) Test Automation
8 1,432 (13.16%) BDD
9 1,414 (12.99%) Continuous Integration
10 1,139 (10.46%) OO
11 889 (8.17%) DevOps
12 835 (7.67%) Software Engineering
13 799 (7.34%) Microservices
14 781 (7.18%) Unit Testing
15 767 (7.05%) E-Commerce
16 556 (5.11%) Open Source
17 549 (5.04%) SDLC
18 533 (4.90%) Kanban
19 518 (4.76%) Responsive Web Design
20 431 (3.96%) Analytics
Programming Languages
1 3,277 (30.11%) Java
2 2,562 (23.54%) C#
3 2,275 (20.90%) SQL
4 1,042 (9.57%) Python
5 942 (8.65%) PHP
6 789 (7.25%) ES6
7 593 (5.45%) TypeScript
8 487 (4.47%) Ruby
9 343 (3.15%) Scala
10 265 (2.43%) T-SQL
11 231 (2.12%) C++
12 217 (1.99%) PowerShell
13 184 (1.69%) PL/SQL
14 165 (1.52%) Groovy
15 156 (1.43%) Bash Shell
16 140 (1.29%) C
17 137 (1.26%) Perl
18 132 (1.21%) Go
19 128 (1.18%) VB.NET
20 125 (1.15%) ES7
Qualifications
1 463 (4.25%) Degree
2 373 (3.43%) Security Cleared
3 258 (2.37%) SC Cleared
4 169 (1.55%) Computer Science Degree
5 69 (0.63%) BPSS Clearance
6 42 (0.39%) Master's Degree
7 37 (0.34%) Microsoft Certification
8 32 (0.29%) ISTQB
9 29 (0.27%) ISEB
10 28 (0.26%) DV Cleared
11 18 (0.17%) MCSE
12 13 (0.12%) PMP
13 11 (0.10%) BC Cleared
13 11 (0.10%) CTC Cleared
14 9 (0.083%) ISTQB Foundation Certification
15 7 (0.064%) DBS Check
15 7 (0.064%) MCSD
16 5 (0.046%) ITIL Certification
16 5 (0.046%) MCPD
16 5 (0.046%) Oracle Certification
Quality Assurance & Compliance
1 467 (4.29%) QA
2 55 (0.51%) WCAG
3 38 (0.35%) Disclosure Scotland
4 29 (0.27%) MiFID
5 21 (0.19%) WAI
6 17 (0.16%) Data Quality
7 14 (0.13%) GDPR
7 14 (0.13%) HL7
8 11 (0.10%) PCI DSS
8 11 (0.10%) SLA
9 9 (0.083%) GCP
9 9 (0.083%) ISO/IEC 27001
10 5 (0.046%) PMO
11 3 (0.028%) EMIR
12 2 (0.018%) PSD2
12 2 (0.018%) RosettaNet
12 2 (0.018%) Solvency II
13 1 (0.009%) ISO 20022
13 1 (0.009%) ISO 8583
13 1 (0.009%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
System Software
1 847 (7.78%) Docker
2 97 (0.89%) Active Directory
3 30 (0.28%) Virtual Machines
3 30 (0.28%) VMware Infrastructure
4 11 (0.10%) Apache Flume
4 11 (0.10%) Varnish
5 10 (0.092%) VMware NSX
6 8 (0.074%) Brightmail
6 8 (0.074%) Hyper-V
7 7 (0.064%) Virtual Servers
8 6 (0.055%) Apache ZooKeeper
8 6 (0.055%) etcd
8 6 (0.055%) VirtualBox
8 6 (0.055%) VMware ESXi
9 5 (0.046%) vSphere
10 4 (0.037%) GeoWebCache
10 4 (0.037%) HDFS
11 3 (0.028%) Microsoft App-V
12 2 (0.018%) Firmware
12 2 (0.018%) Squid
Systems Management
1 350 (3.22%) Ansible
2 312 (2.87%) Puppet
3 260 (2.39%) Opscode Chef
4 228 (2.09%) Kubernetes
5 107 (0.98%) Terraform
6 62 (0.57%) Kibana
7 57 (0.52%) Grafana
8 25 (0.23%) logstash
9 23 (0.21%) Business Desktop Deployment
9 23 (0.21%) Docker Swarm
10 22 (0.20%) HP Quality Center
11 19 (0.17%) Nagios
12 18 (0.17%) Mesos
12 18 (0.17%) SCCM
12 18 (0.17%) Systems Management Server (SMS)
13 15 (0.14%) Sysdig
14 14 (0.13%) vRealize
14 14 (0.13%) ZABBIX
15 13 (0.12%) Rancher
16 11 (0.10%) Prometheus
Vendors
1 935 (8.59%) Microsoft
2 736 (6.76%) Oracle
3 327 (3.00%) Adobe
4 299 (2.75%) Google
5 167 (1.53%) ServiceNow
6 152 (1.40%) IBM
7 134 (1.23%) Salesforce.com
8 115 (1.06%) SAP
9 97 (0.89%) Sitecore
10 94 (0.86%) Splunk
11 78 (0.72%) hybris
11 78 (0.72%) Red Hat
12 67 (0.62%) Apigee
13 66 (0.61%) Zend
14 65 (0.60%) VMware
15 62 (0.57%) Twitter
16 58 (0.53%) HP
16 58 (0.53%) New Relic
17 56 (0.51%) Sybase
18 55 (0.51%) Atlassian