Period
to 18 January 2019

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 18 January 2019 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
18 Jan 2019
Same period 2018 Same period 2017
Rank 9 9 8
Rank change year-on-year 0 -1 +1
Contract jobs citing JavaScript 11,664 11,043 11,000
As % of all contract IT jobs advertised in the UK 11.73% 11.01% 11.32%
As % of the Programming Languages category 26.43% 26.15% 27.73%
Number of daily rates quoted 8,429 8,311 7,999
UK median daily rate £463 £450 £415
Median daily rate % change year-on-year +2.78% +8.43% +3.75%
10th Percentile £313 £306 £300
90th Percentile £611 £600 £575
UK excluding London median daily rate £415 £388 £375
% change year-on-year +7.10% +3.33% +3.45%
Number of hourly rates quoted 78 89 97
UK median hourly rate £41.25 £43.00 £36.50
Median hourly rate % change year-on-year -4.07% +17.81% +4.29%
10th Percentile £19.18 £23.23 £14.90
90th Percentile £63.18 £63.75 £57.13
UK excluding London median hourly rate £42.50 £45.00 £36.00
% change year-on-year -5.56% +25.00% +2.86%

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 44,133 42,227 39,670
As % of all contract IT jobs advertised in the UK 44.37% 42.10% 40.83%
Number of daily rates quoted 30,961 29,783 27,237
UK median daily rate £475 £450 £425
Median daily rate % change year-on-year +5.56% +5.88% +3.03%
10th Percentile £320 £308 £290
90th Percentile £650 £638 £600
UK excluding London median daily rate £425 £400 £375
% change year-on-year +6.25% +6.67% -
Number of hourly rates quoted 683 756 867
UK median hourly rate £42.25 £40.00 £40.00
Median hourly rate % change year-on-year +5.63% - +6.67%
10th Percentile £17.00 £16.56 £14.75
90th Percentile £52.50 £52.50 £52.20
UK excluding London median hourly rate £42.50 £40.00 £40.00
% change year-on-year +6.25% - +6.67%

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 18 January 2019.

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 18 January 2019.

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 18 January 2019. 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 10,782 £475 +5.56% 5,477
London +1 5,939 £500 +2.56% 1,905
UK excluding London -1 5,506 £415 +7.10% 3,902
South East +1 1,754 £425 +6.25% 923
North of England -1 1,347 £400 +3.23% 1,094
Midlands -2 740 £400 +14.29% 669
South West 0 650 £425 +14.86% 544
Yorkshire 0 637 £400 - 409
North West -8 559 £400 +6.67% 591
Scotland +3 496 £425 +11.84% 188
West Midlands +1 456 £413 +13.79% 383
East of England -10 311 £425 +13.33% 346
East Midlands +1 273 £400 +14.29% 285
North East +23 156 £450 +12.50% 94
Wales -5 145 £438 +2.94% 115
Northern Ireland +6 76 £375 -9.09% 27
Isle of Man -2 1 - -

For the 6 months to 18 January 2019, IT contractor jobs citing JavaScript also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads with a requirement for JavaScript.

1 6,148 (52.71%) HTML
2 5,682 (48.71%) CSS
3 5,410 (46.38%) Agile Software Development
4 3,729 (31.97%) AngularJS
5 3,318 (28.45%) React
6 3,182 (27.28%) Java
7 2,829 (24.25%) Node.js
8 2,811 (24.10%) TDD
9 2,723 (23.35%) C#
10 2,697 (23.12%) .NET
11 2,596 (22.26%) HTML5
12 2,514 (21.55%) Git (software)
13 2,279 (19.54%) Front End Development
14 2,259 (19.37%) SQL
15 2,000 (17.15%) jQuery
16 1,970 (16.89%) MVC
17 1,822 (15.62%) Test Automation
18 1,695 (14.53%) Finance
19 1,587 (13.61%) Scrum
20 1,548 (13.27%) CSS3
21 1,521 (13.04%) SQL Server
22 1,508 (12.93%) Microservices
23 1,501 (12.87%) Amazon AWS
24 1,478 (12.67%) BDD
25 1,465 (12.56%) REST
26 1,407 (12.06%) ASP.NET
27 1,393 (11.94%) Continuous Integration
28 1,375 (11.79%) Microsoft Azure
29 1,351 (11.58%) Web Services
30 1,280 (10.97%) Web Development

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
1 530 (4.54%) CMS
2 469 (4.02%) Confluence
3 297 (2.55%) Elasticsearch
4 284 (2.43%) SharePoint
5 226 (1.94%) Apache
6 184 (1.58%) WordPress
7 174 (1.49%) Tomcat
8 153 (1.31%) WebSphere
9 146 (1.25%) Drupal
10 131 (1.12%) IIS
11 123 (1.05%) WebLogic
12 115 (0.99%) JBoss
12 115 (0.99%) nginx
13 109 (0.93%) Umbraco
14 100 (0.86%) Adobe Experience Manager
15 71 (0.61%) SharePoint 2013
16 64 (0.55%) Sitecore CMS
17 61 (0.52%) Cloud Foundry
18 55 (0.47%) Apache Spark
19 50 (0.43%) Apache Solr
Applications
1 165 (1.41%) Photoshop
2 62 (0.53%) Microsoft Excel
3 59 (0.51%) InVision
4 45 (0.39%) InfoPath
5 43 (0.37%) Adobe Illustrator
6 32 (0.27%) Chatbot
7 28 (0.24%) Microsoft Office
8 27 (0.23%) Fireworks
9 22 (0.19%) Adobe Creative Suite
10 15 (0.13%) SPSS
11 12 (0.10%) Microsoft PowerPoint
11 12 (0.10%) Spreadsheet
12 11 (0.094%) MS Visio
12 11 (0.094%) OmniGraffle
13 6 (0.051%) GIMP
13 6 (0.051%) Maya
14 5 (0.043%) InDesign
14 5 (0.043%) UXPin
15 4 (0.034%) Acrobat
16 3 (0.026%) Pixate
Business Applications
1 248 (2.13%) Dynamics CRM
2 121 (1.04%) Magento
3 16 (0.14%) Distributed Ledger
3 16 (0.14%) Dynamics AX
3 16 (0.14%) SAP Hybris
3 16 (0.14%) Shopify
4 15 (0.13%) Oracle BPM
5 14 (0.12%) Payment Gateway
6 13 (0.11%) Maximo
7 10 (0.086%) NetSuite
8 9 (0.077%) Adobe Campaign
9 8 (0.069%) Dynamics NAV
9 8 (0.069%) SAP Oil and Gas
10 7 (0.060%) Salesforce.com CRM
10 7 (0.060%) Workday HCM
11 4 (0.034%) Cognos Business Intelligence
11 4 (0.034%) SDL Web 8
11 4 (0.034%) WebTrends
12 3 (0.026%) BASE24
12 3 (0.026%) SAP ERP
Cloud Services
1 1,501 (12.87%) Amazon AWS
2 1,375 (11.79%) Microsoft Azure
3 457 (3.92%) GitHub
4 404 (3.46%) Serverless
5 272 (2.33%) npm
6 264 (2.26%) Google Cloud Platform
7 256 (2.19%) AWS Lambda
8 225 (1.93%) SaaS
9 157 (1.35%) Google Analytics
10 140 (1.20%) Dynamics 365
11 139 (1.19%) PaaS
12 128 (1.10%) Office 365
13 120 (1.03%) Amazon EC2
14 105 (0.90%) IaaS
15 89 (0.76%) Heroku
16 84 (0.72%) AWS CloudFormation
17 82 (0.70%) Amazon S3
18 71 (0.61%) Apigee
19 66 (0.57%) Amazon SQS
19 66 (0.57%) Slack
Communications & Networking
1 393 (3.37%) HTTP
2 159 (1.36%) Internet
3 156 (1.34%) TCP/IP
4 154 (1.32%) SSL
5 100 (0.86%) DNS
6 73 (0.63%) Firewall
7 51 (0.44%) FTP
8 49 (0.42%) AMQP
9 39 (0.33%) SAN
9 39 (0.33%) Skype
10 29 (0.25%) Intranet
11 24 (0.21%) HTTPS
11 24 (0.21%) VPN
12 23 (0.20%) DHCP
12 23 (0.20%) Ethernet
12 23 (0.20%) iSCSI
12 23 (0.20%) SSH
13 22 (0.19%) VSAN
14 20 (0.17%) SMS
15 19 (0.16%) NAS
Database & Business Intelligence
1 1,521 (13.04%) SQL Server
2 948 (8.13%) MySQL
3 718 (6.16%) MongoDB
4 702 (6.02%) NoSQL
5 555 (4.76%) Relational Database
6 471 (4.04%) PostgreSQL
7 200 (1.71%) Redis
8 196 (1.68%) Big Data
9 177 (1.52%) RDBMS
10 174 (1.49%) Apache Cassandra
11 146 (1.25%) Hadoop
12 108 (0.93%) SQL Server Integration Services
13 97 (0.83%) Amazon DynamoDB
14 91 (0.78%) Azure SQL Database
15 82 (0.70%) SQL Server Reporting Services
16 79 (0.68%) DB2
17 68 (0.58%) Blockchain
18 65 (0.56%) Amazon RDS
19 64 (0.55%) Oracle Database
20 60 (0.51%) Couchbase
Development Applications
1 2,514 (21.55%) Git (software)
2 1,214 (10.41%) Jenkins
3 932 (7.99%) Selenium
4 922 (7.90%) JIRA
5 567 (4.86%) Cucumber
6 565 (4.84%) gulp
7 490 (4.20%) Visual Studio
8 489 (4.19%) Maven
9 459 (3.94%) webpack
10 401 (3.44%) Subversion
11 397 (3.40%) Jasmine
12 376 (3.22%) Mocha
13 373 (3.20%) Grunt
14 354 (3.03%) JUnit
15 328 (2.81%) Team Foundation Server
16 286 (2.45%) TeamCity
17 277 (2.37%) Karma Test Runner
18 225 (1.93%) WebDriver
19 220 (1.89%) Visual Studio Team System
20 215 (1.84%) Protractor
General
1 1,695 (14.53%) Finance
2 767 (6.58%) Banking
3 449 (3.85%) Retail
4 294 (2.52%) Marketing
5 207 (1.77%) Front Office
6 187 (1.60%) Telecoms
7 155 (1.33%) Games
8 154 (1.32%) Investment Banking
9 104 (0.89%) Advertising
10 92 (0.79%) Law
11 90 (0.77%) Publishing
12 78 (0.67%) Manufacturing
13 66 (0.57%) Legal
14 64 (0.55%) Back Office
15 61 (0.52%) Electronics
16 55 (0.47%) Financial Institution
17 39 (0.33%) Aerospace
18 30 (0.26%) Automotive
19 27 (0.23%) Military
20 21 (0.18%) Pharmaceutical
Job Titles
1 9,106 (78.07%) Developer
2 1,767 (15.15%) JavaScript Developer
3 1,756 (15.05%) Front End Developer (Client-Side Developer)
4 1,459 (12.51%) React Developer
5 1,214 (10.41%) .NET Developer
6 1,161 (9.95%) Java Developer
7 1,135 (9.73%) Full Stack Developer
8 940 (8.06%) Senior Developer
9 871 (7.47%) Angular Developer
10 825 (7.07%) C# Developer
11 523 (4.48%) Node.js Developer
12 463 (3.97%) C# .NET Developer
13 412 (3.53%) Web Developer
14 378 (3.24%) HTML Developer
15 373 (3.20%) PHP Developer
16 329 (2.82%) Software Developer
17 318 (2.73%) UI Developer
18 304 (2.61%) Software Engineer
19 270 (2.31%) Architect
20 261 (2.24%) HTML CSS Developer
Libraries, Frameworks & Software Standards
1 6,148 (52.71%) HTML
2 5,682 (48.71%) CSS
3 3,729 (31.97%) AngularJS
4 3,318 (28.45%) React
5 2,829 (24.25%) Node.js
6 2,697 (23.12%) .NET
7 2,596 (22.26%) HTML5
8 2,000 (17.15%) jQuery
9 1,548 (13.27%) CSS3
10 1,465 (12.56%) REST
11 1,407 (12.06%) ASP.NET
12 1,351 (11.58%) Web Services
13 1,224 (10.49%) Spring
14 1,189 (10.19%) RESTful
15 1,161 (9.95%) Redux
16 1,129 (9.68%) Sass
17 973 (8.34%) XML
18 852 (7.30%) JSON
19 829 (7.11%) Twitter Bootstrap
20 809 (6.94%) ASP.NET Web API
Miscellaneous
1 1,184 (10.15%) User Experience
2 781 (6.70%) Greenfield Project
3 452 (3.88%) Mobile App
4 447 (3.83%) Fintech
5 443 (3.80%) Analytical Skills
6 194 (1.66%) Self-Motivation
7 188 (1.61%) Data Structures
8 183 (1.57%) Enterprise Software
9 163 (1.40%) Algorithms
10 104 (0.89%) Fixed Income
11 85 (0.73%) Foreign Exchange (FX)
12 78 (0.67%) Hedge funds
13 77 (0.66%) Linux Command Line
14 69 (0.59%) Public Cloud
15 65 (0.56%) Virtual Team
16 60 (0.51%) Cloud Native
17 57 (0.49%) iPad
18 55 (0.47%) Social Media
19 52 (0.45%) Video\Live Streaming
19 52 (0.45%) W3C
Operating Systems
1 1,069 (9.16%) Linux
2 533 (4.57%) Windows
3 446 (3.82%) Unix
4 349 (2.99%) Android
5 344 (2.95%) Apple iOS
6 122 (1.05%) Windows Server
7 97 (0.83%) Ubuntu
8 86 (0.74%) Red Hat Enterprise Linux
9 82 (0.70%) CentOS
10 53 (0.45%) Mac OS X
11 36 (0.31%) VMS
12 35 (0.30%) Windows Server 2012
13 33 (0.28%) Mac OS
14 25 (0.21%) Windows Server 2008
15 24 (0.21%) Debian
16 21 (0.18%) Windows Server 2003
17 14 (0.12%) Solaris
18 12 (0.10%) Fedora
19 8 (0.069%) Embedded Linux
19 8 (0.069%) Windows 10
Processes & Methodologies
1 5,410 (46.38%) Agile Software Development
2 2,811 (24.10%) TDD
3 2,279 (19.54%) Front End Development
4 1,970 (16.89%) MVC
5 1,822 (15.62%) Test Automation
6 1,587 (13.61%) Scrum
7 1,508 (12.93%) Microservices
8 1,478 (12.67%) BDD
9 1,393 (11.94%) Continuous Integration
10 1,280 (10.97%) Web Development
11 1,270 (10.89%) DevOps
12 1,047 (8.98%) OO
13 966 (8.28%) Software Engineering
14 841 (7.21%) E-Commerce
15 753 (6.46%) Unit Testing
16 681 (5.84%) Problem-Solving
17 602 (5.16%) Open Source
18 580 (4.97%) Analytics
19 537 (4.60%) Kanban
20 486 (4.17%) Responsive Web Design
Programming Languages
1 3,182 (27.28%) Java
2 2,723 (23.35%) C#
3 2,259 (19.37%) SQL
4 1,213 (10.40%) Python
5 983 (8.43%) TypeScript
6 951 (8.15%) PHP
7 949 (8.14%) ES6
8 542 (4.65%) Java 8
9 505 (4.33%) Ruby
10 334 (2.86%) Scala
11 307 (2.63%) PowerShell
12 264 (2.26%) T-SQL
13 237 (2.03%) Go
14 231 (1.98%) C++
15 227 (1.95%) Bash Shell
16 207 (1.77%) Perl
17 154 (1.32%) Groovy
18 149 (1.28%) PL/SQL
19 128 (1.10%) C
20 97 (0.83%) ES7
Qualifications
1 559 (4.79%) Security Cleared
2 542 (4.65%) Degree
3 428 (3.67%) SC Cleared
4 174 (1.49%) Computer Science Degree
5 143 (1.23%) BPSS Clearance
6 50 (0.43%) DV Cleared
7 41 (0.35%) Microsoft Certification
8 36 (0.31%) ISTQB
9 35 (0.30%) ISEB
10 30 (0.26%) Master's Degree
11 26 (0.22%) MCSE
12 24 (0.21%) DBS Check
13 22 (0.19%) ISTQB Foundation Certification
14 19 (0.16%) AWS Certification
15 14 (0.12%) CISSP
15 14 (0.12%) CTC Cleared
16 12 (0.10%) Cisco Certification
16 12 (0.10%) Numerate Degree
17 10 (0.086%) ITIL Certification
17 10 (0.086%) Postgraduate
Quality Assurance & Compliance
1 534 (4.58%) QA
2 69 (0.59%) WCAG
3 44 (0.38%) Disclosure Scotland
4 26 (0.22%) SLA
5 22 (0.19%) Data Quality
6 20 (0.17%) GDPR
7 13 (0.11%) WAI
8 12 (0.10%) ISO/IEC 27001
9 9 (0.077%) PMO
9 9 (0.077%) PSD2
10 7 (0.060%) ISO 9001
11 5 (0.043%) Solvency II
12 4 (0.034%) PCI DSS
12 4 (0.034%) TickIT
13 3 (0.026%) Section 508
14 2 (0.017%) MiFID
15 1 (0.009%) FATCA
15 1 (0.009%) FISMA
15 1 (0.009%) GMP
15 1 (0.009%) Sarbanes-Oxley
System Software
1 1,210 (10.37%) Docker
2 87 (0.75%) Active Directory
3 66 (0.57%) VMware Infrastructure
4 30 (0.26%) vSphere
5 24 (0.21%) Virtual Machines
6 23 (0.20%) VMware NSX
7 20 (0.17%) Hyper-V
8 19 (0.16%) Apache ZooKeeper
9 18 (0.15%) VirtualBox
10 14 (0.12%) NFS
11 12 (0.10%) Apache Flume
11 12 (0.10%) XenApp
12 11 (0.094%) VMware ESXi
12 11 (0.094%) XenDesktop
13 10 (0.086%) HDFS
14 6 (0.051%) OpenAM
14 6 (0.051%) OpenDJ
14 6 (0.051%) Xen
15 5 (0.043%) KVM
16 4 (0.034%) LXC
Systems Management
1 485 (4.16%) Kubernetes
2 333 (2.85%) Ansible
3 279 (2.39%) Puppet
4 239 (2.05%) Terraform
5 205 (1.76%) Opscode Chef
6 165 (1.41%) Kibana
7 119 (1.02%) Grafana
8 65 (0.56%) logstash
9 51 (0.44%) Docker Swarm
10 50 (0.43%) Salt
11 42 (0.36%) Nagios
11 42 (0.36%) Packer
11 42 (0.36%) Single Sign-On
12 34 (0.29%) Graphite
12 34 (0.29%) vRealize
13 32 (0.27%) HP ALM
13 32 (0.27%) Prometheus
14 27 (0.23%) ZABBIX
15 26 (0.22%) vRealize Orchestrator
16 23 (0.20%) Rancher
Vendors
1 994 (8.52%) Microsoft
2 642 (5.50%) Oracle
3 618 (5.30%) Google
4 316 (2.71%) Adobe
5 179 (1.53%) ServiceNow
6 148 (1.27%) Splunk
7 139 (1.19%) IBM
8 132 (1.13%) VMware
9 125 (1.07%) SAP
10 106 (0.91%) Salesforce.com
11 99 (0.85%) Sitecore
12 82 (0.70%) hybris
13 78 (0.67%) Atlassian
14 71 (0.61%) Zend
15 68 (0.58%) Cypress Semiconductor
16 64 (0.55%) Red Hat
17 62 (0.53%) HP
18 60 (0.51%) Nintex
19 49 (0.42%) Tableau
19 49 (0.42%) Twitter